Split system with solar battery. Familiar devices in an unusual design. The task is to transfer heat, this is heat, temperature to the refrigeration unit
We are all so used to the fact that our lives are filled with various electronic and electrical devices that we can no longer imagine life without them. But once our ancestors did very well without air conditioners, radios and other devices. But today, what has already been invented is not enough for humanity, every day it improves what has already been created. And the instruments we all know are being transformed into something else. For example, a solar-powered air conditioner. It is based on the air conditioner familiar to us, but it does not work from the central power grid, but from the sun.
What other devices can work using solar radiation, we'll talk about this. But you need to understand that, in fact, the principle of operation of devices does not change, only the energy sources that are used for their operation differ. Therefore, we can only talk about innovative technologies, and not about new developments.
What are these "solar" devices ...
Any devices that consume a small amount of energy can work on a solar battery. Flashlights, solar-powered calculators, garden lights and other useful devices are very popular. But more “gluttonous” units are also known, for example, bicycles, cars and even airplanes. Of course, they are not used everywhere, but there are such prerequisites, and this is already half the battle.
But let's look more specifically. Many simply cannot imagine their life without music, but it is not always possible to enjoy your favorite composition. Of course, no one canceled mp3 players, but if you are not alone, but in a company, this already becomes a problem, especially if you go somewhere in nature and there is simply no way to connect speakers. It is for these music lovers that Roberts has created a solar-powered digital radio. They called it SolarDAB, in addition to the advantage of using the energy of the sun, it has other advantages:
- It is possible to connect an mp3 player.
- A special screen displays information about the SB charge.
The SolarDAB radio on a single battery charge can work for about 27 hours, and its cost is about $160.
But this is not the only such device. For about $70, you can get a Bresser National Geographic radio. In addition to the radio, this device includes a clock, an LED flashlight and an alarm clock. And what is most useful, you can charge this radio not only from the sun, but also from the network, and even on the principle of a dynamo, using a special handle. And yes, the price is very reasonable.
The next example is solar powered fans. They are also represented on the market by various companies. One of them is Solar Fan with LED. The advantage of this model is the presence of an LED flashlight. Depending on the operating mode, it can work for 8 hours if the fan is on, or 20 hours if the flashlight is on. In the sun, a 2000 mAh battery will charge in 8-12 hours, and from usb in just 6-7. Only $70 and this fan will be yours.
In addition to this model, you can purchase a solar-powered mini fan, a Solar powered mini fan, or a Maplin device that combines a fan, an alarm clock, a flashlight and a battery that allows you to charge other gadgets from it. On sale there are even caps on which a mini propeller is installed, designed to blow the face. The only negative is that there is no possibility of using other energy sources, and, of course, the battery, too.
The following video shows fans that do not require electricity to operate:
Window thermometer, air conditioning and more…
Next on the list is a window thermometer, there is one, don't be surprised. A similar thermometer on a solar battery costs about 700-1500 rubles. Depends on model and manufacturer. For example, the picture on the left shows a RST digital window thermometer. In addition to temperature, this model shows humidity and determines the maximum and minimum temperatures for the last day. This thermometer is attached to the outside of the window with a special Velcro.
Another example is the TFA window thermometer. It has the function of automatically backlighting the display at night and the ability to work not only from solar energy, but also from a conventional finger-type battery. But its price is 2 times more than the previous model.
An interesting example of a solar-powered calculator is the Chinese model, made in a transparent case. It has an auto-off function and a built-in battery. True, its price is not very small - about 1800 rubles. But the appearance is very unusual, only for this you can buy it.
And finally, I’ll tell you about how our article began - about air conditioners. There are 2 varieties:
- Active, that is, those that use directly the thermal energy of the sun.
- Passive, that is, those that run on electricity obtained using solar panels.
An example is the development of Hong Kong inventors, who presented a similar device to the general public last year. Solar panels are made of black photovoltaic cells, they can be placed on the roof and the split system is ready to use. Their Australian colleagues do not lag behind them, the sample presented by them is powered by SB, producing 70 W / h. And the built-in batteries during daylight hours accumulate energy, which is enough to operate the air conditioner at night.
Now you know that not only devices such as a radio or a calculator can work from the SB, but also various household items, such as a fan or an air conditioner. Stay tuned and stay up to date with the latest developments in solar energy. And it will definitely help you reduce your energy bills.
The article was prepared by Abdullina Regina
There are even scales on Sat:
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Energy Saving Tips for Air Conditioners: According to the China National Energy Efficiency Management Method, EER refers to the ratio of cooling capacity to power consumption, which is the only data used to evaluate energy-saving air conditioners, the more it is. It saves electricity. If two ACs with the same power consumption, the one with more power is better in saving electricity.
Operating characteristics
High efficiency, energy saving, convenient and money saving, exceeding the national first class energy standard.
Sturdy and durable, smooth running.Low loaded compressor work to extend its duration.
Healthy and comfortable, constant temperature and disease control from air conditioning.
It is not a frequency conversion air conditioner, but superior to it, because the type conversion starts to save energy when the room temperature reaches the set value, and the hybrid solar air conditioner runs in the optimal state immediately after starting, and achieves the sanme effects of traditional air conditioner with less power consumption.
Super luxurious look will decorate your home.Indoor panel adopts aluminum alloy and metal drawing color board to make your home more sparkling.
Automatic opening and closing of dust-free air outlet.
Easy to install, just like traditional air conditioner.
With strong adaptability, Chuanglan hybrid solar air conditioner can operate at very low and high temperatures from -7℃ to 53℃.
Exceeding national standards and applicable to all kinds of environment.
High performance Japanese brand compressors
Strong and durable, smooth running. Low load operation of the compressor extend its duration.
Four times heat exchanger
As one of the main components of the air conditioner, Chuanglan hybrid solar air conditioner adopts four times the heat exchanger (take the Supreme Quiet as an example), the heat exchanger effective area is increased by 20-40% more than V-shaped and flat heat exchangers, thus cooling and heating effect has improved significantly.
High quality inner tube copper theme
Compared with ordinary copper pipe, the heat exchange area of the female threaded copper pipe is greatly increased in the same exchange effect. At the same time, it can resist glaze and increase the initial ability at low temperature.
Hydrophilic aluminum foil to prevent water bridge, so as to ensure heat transfer efficiency.
The use of solar energy for air conditioning is an attractive idea not only for the southern regions, where cooling costs are the determining factor in the heat costs for maintaining indoor comfort conditions, but also for air conditioning in public buildings in the middle and even northern regions. The use of solar power for air conditioning is tempting both because the solar energy schedule coincides with the cooling demand schedule and because the addition of solar cooling to heating can significantly improve the economics of solar heating.
Known methods of using solar energy for cooling can be divided into three classes: solar absorption cooling, solar-mechanical systems and relatively solar systems that do not work from the sun, but use some components of solar systems for cooling. Within each class of systems one could single out their subclasses when different refrigerants, different temperature levels as well are used. hence different solar collectors, different control systems.
Absorption conditioning, based on the absorption of refrigerants by solutions of absorbents or adsorbents, can be carried out using solar energy, if it is sufficient to carry out the main stage of the process of regeneration of the working substance. These can be closed cycles, for example, with solutions of lithium bromide in water or solutions of ammonia in water, or open circuits, in which the refrigerant is water, combined with the atmosphere. Let us dwell briefly on some absorption solar coolers based on the use of an aqueous solution of lithium bromide, a solution of ammonia in water, and dehumidifying air conditioning. At present, absorption conditioning using energy from solar collectors and storage systems is the simplest approach to using solar energy for conditioning (Fig. 2.11). The essence of this system or its varieties lies in the fact that the generator of absorption refrigerators is provided with heat from the collector-accumulator system.
Most of the units used are lithium bromide and water-cooled absorber and condenser machines. Maintaining the temperature in the generator within the limits determined by the characteristics of flat-plate collectors) is a decisive factor determining, among others, such parameters as the efficiency of heat exchangers, the temperature of the cooler.
Rice. 2.11. / - solar collector; 2 - tank-accumulator; 5 - additional source of energy; 4 - capacitor; 5 - evaporator; b- absorber; 7 - heat exchanger; 8 - generator; 9 - three position tap
Typically, the solar conditioning process uses a water-cooled absorber and condenser, necessitating a cooling tower.
The pressure difference between the lines of the higher and lower levels in the IlVg-N20 system is very limited, so these systems can use steam-air pumps and gravity return of the solution from the absorber to the generator. Therefore, there is no need for mechanical solution pumps from the low line to the high pressure line.
Many machines show fairly stable values of efficiency, which is the ratio of cooling capacity to the energy supplied to the generator as a function of the change in temperature of the generator from the operating level, provided by a minimum of relevant conditions. The efficiency of lithium bromide refrigerators is in the range of 0.6 ... 0.8. If water is used as a coolant, the temperature in the generator can be in the range of 348 ... 368 K. The change in temperature in the generator, provided by solar energy, leads to a change in the performance of the refrigerator. The temperature of the heating medium must be higher than the temperature in the generator. Here lies some incompatibility between the need to increase the temperature level and the upper limit of the water temperature in the storage tanker of the solar water heater system, not designed for high pressure. In addition, the temperature of 373 K is the limit for many solar collectors and, in addition, there is a need for cooling towers.
Early experiments in building lithium bromide refrigerators used industrial absorption machines without any modifications to take into account the use of solar energy. In the future, refrigerators began to change by reconstructing the generator. Special experiments on the use of high-performance solar installations to provide comfortable conditions for the school in Atlanta were carried out by the Westinghouse Electric Corporation. A study of the technical and economic indicators of such systems showed that in the southern regions, the combined use and cooling is more economical than separate heating and cooling. Further research was aimed at simplifying the system, facilitating ITS operation.
The ammonia water cooler system is similar to that shown in Fig. 2.11, except that the distillation sections must be connected to the top of the generator to capture the water vapor going from the evaporator to the condenser. The main processes in the solution are similar to those occurring in the LuBr-H20 system, but the pressure and pressure drop in the system are much higher. Mechanical pumps are needed to pump the solution from the absorber to the generator. In many cases, the condenser and absorber under test are air-cooled with the generator temperature between 398 and 443 K. The condensing temperature for air-cooled air conditioners corresponds to higher temperatures in the generator than the corresponding parameters for a liquid-cooled system.
There are quite advanced installations that operate on solar energy with water-ammonia systems. The temperatures that need to be generated in the generators of commercial refrigerators are too high for modern flat-plate collectors, so focusing collectors are needed and it becomes necessary to create both cheap collectors of this type and solar observation systems. Work on water-ammonia solar installations is a continuation of research cycles, using solutions with a high concentration of 1h * H3 and aimed at reducing temperatures in generators. When creating solar refrigerators, two ways have been outlined: the first is direct copying of the refrigeration machines that still exist, including absorption ones, replacing only the energy source that ensures the operation of the generator, the second is the reconstruction of the generator, which made it possible to reduce the temperature level that ensures its operation and thereby increase solar energy utilization factor.
The Institute of Technical Thermal Physics of the National Academy of Sciences of Ukraine proposed to carry out the regeneration of water-salt solutions of absorption refrigeration units by evaporating water from them into the environment, that is, to make units of a separate type. In this case, the heated solution is brought into contact with atmospheric air in the contact mass transfer apparatus, and evaporation occurs due to the supply of heat from an external source. The loss of refrigerant is then filled with tap water. Losses are roughly equivalent to water losses when condensing heat is removed in a cooling tower. The use of this method of regeneration (air desorption) makes it possible to reduce the temperature of the solution during regeneration by 12 ... 14 K, respectively, increasing the efficiency of the helionagrivach (solar collector with single-layer glazing and a neutral absorber) by 30%.
By further improvement of installations with air desorption, a proposal appeared to combine the processes of heating the solution with sunlight and restoring its concentration. In this case, the solution flows down in a thin film on a blackened surface (for example, on the roof of a house), washed by the outside air. In this case, reducing the regeneration temperature simplifies and, consequently, reduces the cost of the solar heaters and the entire system as a whole. For devices such as an absorbent, an aqueous solution of lithium chloride is usually chosen. Unlike a lithium bromide solution, its use makes it possible to obtain cold water with a temperature below 283 ... 285 K. It has a number of advantages: a lower specific gravity and working concentration, reduced lithium bromide solution may form lithium carbonate).
The basic technological scheme of the absorption refrigeration solar installation is shown in fig. 2.12. This unit is designed to cool a three-story residential building. As a solution regenerator, a shed roof is used, oriented to the south, its inclination angle to the horizon is about 5 °, the area is 180 m2.
Rice. 2.12. / - absorbent regenerator; 2 - filter; WITH - heat exchanger; 4 - Vacuum pump; 5,6- absorber - evaporator; 7-air conditioner; 8 - water addition device; 9 - conditioning water pump; 10- pump for pumping refrigerant (water); 11 - line receiver; 12- absorbent solution pump; 13 - cooling tower; 14 - cooling water pump
The installation consists of a solution generator / filter 2, heat exchanger 3, absorber-evaporator 5-6 with in-line receiver //, drainage tank, regulator floats, water addition device to the evaporator 8, vacuum pump 4, pumps for solution, for refrigerant (water), for cooling water, for conditioned water, as well as from shut-off, control fittings, etc.
The installation works as follows: standard water is cooled in the heat exchange tubes of the evaporator 6, the steam surface of which is irrigated with water boiling under vacuum - the refrigerant. The water vapor generated is absorbed in the absorber 5 lithium chloride solution, which is then diluted. The heat of absorption is removed by the circulating water coming from the cooling tower. Air and other gases, non-condensing, are removed from the evaporator unit by a vacuum pump 4. To restore the concentration, a weak solution is fed to the solar regenerator / through heat exchanger 5, where it is preheated. A strong solution after regeneration is drained through a funnel and sent for absorption. It is pre-cooled in a heat exchanger WITH, giving off heat to the counter flow of a weak solution and water from the cooling tower. After that, a weak solution is supplied to the irrigation of the cooled tubes of the air cooler. The vapor-gas mixture is removed from the absorber-evaporator unit, before entering the vacuum pump, it washes these tubes and is enriched with air.
The solution enters the system from the regenerator, is cleaned of contaminants in the gravity filter 2. In addition, the scheme provides for fine filters from suspended particles, corrosion products, etc. The roof surface is used as a regenerator in a special way.
The arrangement of a transparent screen above the surface of the regenerator, although it increases its cost, protects the solution from contamination, excludes the removal of the solution, and allows it to be heated to a higher temperature (without worsening the regeneration conditions). In this installation, the roof of the house, irrigated with a solution, is covered with a single-layer glazing, which forms a slotted channel for the passage of air with the roof. At the entrance to the channel, the air is cleaned in filters and, moving against the film movement, it is moistened by absorbing water, which evaporates from the solution.
After regeneration, the solution, which has a temperature of about 338 K, is cooled in a heat exchanger with tap water, which is then used for hot water supply. Pre-this waters; heated in a dedicated section of the absorber cooler. ^ In this case, the consumption of cooling water is reduced and, accordingly, the loss of "heat to the environment. The roof has a rather significant slope, so that the movement of air is carried out due to the difference in the specific gravity of the heating and outdoor air.
In an open regenerator, a certain amount of air also enters the absorbent, which negatively affects the absorption process and causes increased corrosion of the apparatus, therefore, a cold strong solution after the heat exchanger enters the deaerator, from which the gases, which have not condensed, are constantly removed by a small pump. The deaerator is connected to the absorber. After deaeration, the strong solution mixes with the weak one and is sent to irrigate the heat-exchange pipes of the absorber.
The regenerator is covered with hydrophilic materials, which ensures the formation of a thin continuous film of flowing absorbent. Even on materials that are well wetted, the minimum irrigation area is 80 ... 100 kg / m, which makes it necessary to recirculate the solution in the regenerator, which is carried out by a special pump.
During rain, the installation does not work, the solution enters the absorber. The first portions of rainwater, containing a lot of lithium chloride, are collected in a tank with a capacity of 4 m, the rest of the water is sent to the sewer.
A high-capacity heat or cold accumulator with a capacity of approximately 2 hours is used.
Another class of absorption air conditioners uses a combination of heat exchangers, evaporative coolers and dryers. These systems take air either from outside or from inside, dehumidify it and then cool it by evaporation. Heat exchangers are used as energy storage devices.
The basic idea of drying-cooling cycles can be illustrated by the example of an "environmental control system" (Fig. 2.13 A). The most convenient way to visualize the processes occurring in the system is to display in the Psychrometric diagram the change in the state of the air that has passed through the system.
Rice. 2. 13. A - solar system diagram; b- solar system in Psychrometric diagram for ideal conditions; / - Fan; // - Rotary heat exchanger; /// - Rotary heat exchanger; IV- rotary heat exchanger; V- humidifier
The system in this case uses 100% outside air. A modification of this system, the so-called recirculation variant, passes the conditioned air from the room for recirculation through the system.
In Psychrometric Chart processing air (Fig. 2.13 6) the outside air, which is the parameters of the point /, passes through the rotary heat exchanger, after which it has a higher temperature and lower humidity - point 2. Cooling of the air passing through the rotary heat exchanger is carried out in accordance with the point 3. Then it enters the evaporative heat exchanger (refrigerator) and is cooled to a state 4. Air enters the house, the thermal load of which is determined by the difference in the states of the point 4 and points 5. The air that leaves the house in the state and enters the evaporative refrigerator and cools down to state 6. Under ideal conditions, the temperature in the state would will be the same as in the state and. Air enters the rotary heat exchanger and is heated to state 7, which under ideal conditions would correspond to state temperature 2.
Additionally, in this case, solar energy is used to heat the air from state 7 to state point 8. Air with point parameters 8 enters the rotary heat exchanger and cools down to the state of point 9, while the moisture content increases.
This is a diagram of an ideal process, in which in evaporative coolers the process goes along the saturation line and the efficiency of heat and mass transfer is the same. The process of heat and mass transfer in a rotary heat exchanger is quite complex. In the domestic practice of air conditioning, the method of drying air using saline solutions of lithium chloride and calcium chloride includes such processes. The air is treated in a chamber with a nozzle with concentrated solutions of these salts. As a result of the absorption of water vapor, it is dried, and the solution becomes less concentrated and weak. For repeated use, a weak solution must be restored to a predetermined concentration by evaporation - regeneration of the solution. Boilers are used for these purposes, after which the solution must be cooled.
The diagram of the drying and humidifying installation is shown in fig. 2.14. It consists of a chamber with a solution / and water 2 s fan 8, heat exchanger WITH, cooling towers 4 with fan 10 solution containers 5 and water 6, solar regenerator 7, heat exchanger 8 with water tank 15 mortar pumps 11 and for water 12.
Rice. 2.14. 1,2 chambers according to the solution and water; 3,8 - heat exchangers; 4 - cooling tower and 5, b - containers for solution and water; 7 - solar regenerator; 9,10 - fans; //, 12 - pumps; 13, 14, 16,17- fans; 15 - hot water collection tank 18 - glazed part of the regenerator
The installation works as follows. Treated supply air, passing through chambers in series 1-2, enters the cold room. In the chamber / due to the transfer of the air solution of sensible and latent heat, its temperature decreases even with adiabatic humidification in the chamber 2 its temperature drops to 288 ... 293 K at a relative humidity of 85 - 90%. Mixing with internal air, the supply air acquires an average room temperature of 297 ... 298 K, while its relative humidity decreases to 50 - 60%. Due to the heat received from the air, the temperature of the solution in the chamber / increases to 303 ... 308 K, and its concentration decreases and the solution enters the tank 5, from where it is pumped through the heat exchanger with the help of a pump 3 and back to the camera /. Another small part is supplied by the same pump to the solar regenerator 7. Before entering the chamber / solution in the heat exchanger WITH cooled by water, which in turn transfers the heat received from the solution to the surrounding space by processing it in a cooling tower 4. Part of the solution after regeneration and heating enters the tank 5 with high concentration solution.
heated in the tank 15 water can be used for domestic needs. Combining devices for various purposes in one installation increases its energy efficiency.
There are several types of air conditioners that use solar energy in one way or another to reduce or completely eliminate the consumption of electricity from the network. The principle of operation of such devices, called "solar air conditioners", will be discussed in this article.
Despite some absurdity of the concept of “solar air conditioning” (traditionally, the sun is associated with heat, and air conditioning with cold), it is quite understandable, because it is on a sunny day that the need for air conditioning is greatest. Thus, it would be quite logical to tie the operation of the air conditioner to the sun: there is sun - you need cooling, no - there is no need for cold.
Fundamentally, solar air conditioners can be divided into two groups.
Representatives of the first, active solar air conditioners, use solar energy directly - as heat. In turn, passive solar air conditioners use the energy of the Sun, converted, as a rule, into electricity.
Solar air conditioners with dehumidifiers
Typically, about 30% of the useful cooling capacity of an air conditioner (and in some cases up to 50%) is wasted - on the formation of condensate, which is then simply drained into the sewer.
Condensation, which occurs when the evaporator temperature is below the dew point of the incoming air from the room, can be avoided by either raising the evaporator temperature or lowering the dew point. The first method leads to less efficient cooling of the air, and therefore requires an increase in its flow. In addition, excess moisture from the air still needs to be removed.
The second method - lowering the dew point of the air in the room - can be implemented in several ways, and one of them is to pre-dry the air supplied to the air conditioner.
Solar air conditioners with dehumidifiers (desiccants) are active solar air conditioners and have increased energy efficiency due to non-condensation. Moisture is removed from the air stream by desiccants before the evaporator. Thus, the dehumidified air mass with a dew point below the temperature of the evaporator enters the evaporator, which guarantees that condensate does not fall out.
The desiccant (this may be, for example, silica gel) rotates on a disk. Having absorbed moisture from the internal air, the desiccant is taken out by a disk to the space open to the rays of the sun, where the absorbed moisture is evaporated. The desiccant is thereby regenerated and the disc returns it to contact with the internal air.
In addition, we note that with the scheme described above, on sunny days, the air dehumidification mode does not require the inclusion of a vapor-compression refrigeration cycle of the air conditioner, which leads to significant energy savings: electricity is spent only on the rotation of the disk with the desiccant.
Absorption solar air conditioners 
Another example of active solar refrigeration machines are absorption chillers using solar heat. As you know, in absorption machines, the working substance is a solution of two, sometimes three components. The most common are binary solutions of an absorbent (absorbent) and a refrigerant that meet two main requirements: high solubility of the refrigerant in the absorbent and a significantly higher boiling point of the absorbent compared to the refrigerant.
To obtain cold in absorption refrigeration machines, thermal energy is required (as a rule, waste heat from enterprises is used), which is supplied to the generator, where almost pure refrigerant boils out of the working substance, because its boiling point is much lower than that of the absorbent.
Despite the fact that absorption chillers are a very promising area for the development of refrigeration technology, their use is usually limited to industrial facilities, since only there is a sufficient amount of waste heat.
At the same time, in absorption solar air conditioners, the thermal energy supplied to the generator is obtained from the Sun. This allows you to expand the scope of absorption machines and use them not only in the industrial sector. Taking into account that the heat energy received from the Sun is free, the cost-effectiveness of such solutions in operation is obvious.
Photovoltaic solar air conditioner
Photovoltaic solar air conditioners are based on perhaps the most obvious use of solar energy: powering the air conditioner from a solar panel.
Indeed, solar power plants using a renewable energy source - the energy of the Sun, have been known for a long time, and a lot has been said about them. A number of projects have already been implemented and successfully operated in various countries.
On a more modest scale, solar panels are used to supply power to small objects, such as cottages: from photovoltaic panels installed, as a rule, on the roof, they receive electricity used for domestic needs.
Even more rarely, it is proposed to power various equipment from solar panels. Considering that, unlike other household appliances, air conditioners are used on sunny days, it would be logical to connect an air conditioner to a solar battery. 
R.
Similar solutions are already offered by many foreign manufacturers of air conditioning equipment, such as Sanyo, Mitsubishi, LG. However, it is obvious that the air conditioner, being an energy-intensive equipment, will require the placement of a sufficiently large number of photovoltaic panels. Therefore, different manufacturers use solar panels in different ways: to power only the fans, to partially power the air conditioner, or to fully provide it with electricity.
In any case, a power cable from the mains is connected to the air conditioner, however, solar panels are given priority in terms of energy source. For example, GREE and MIDEA solar air conditioners use direct current to power them. In normal mode, the current comes from the photovoltaic panels, and in the absence of the sun - through a rectifier from the building's electrical network.
However, we note that the efficiency of modern photovoltaic panels does not exceed 25%, which cannot be called an efficient energy conversion. Even with the development of hybrid batteries based on crystalline silicon, whose efficiency reaches 43%, still more than half of the energy is lost in the process of its conversion. That is why it is believed that photovoltaic solar air conditioners are inferior in efficiency, for example, absorption ones.
Sustainability as the engine of solar air conditioning
Today, much attention is paid to the environmental friendliness of certain solutions. Particularly acute environmental issue is in the field of air conditioning.
So far, solar climate systems are still not widely used. However, the focus of world efforts on reducing carbon dioxide emissions into the atmosphere and rising prices for traditional energy carriers can be a good incentive for the development of solar climate technology.
It is obvious that the energy consumption of the air conditioning system with the parallel use of solar energy will decrease. In addition, the use of solar thermal energy can expand the scope of absorption refrigeration machines operating on safe working fluids - water or salt solutions.
Nowadays, technology that implements the principles of energy conservation is gaining popularity. This is possible thanks to the use of solar energy. Some models of air conditioners use this process to reduce or eliminate energy consumption.
Such equipment is called a solar air conditioner. Despite the fact that, in the usual sense, the sun gives heat, and the air conditioner cools the air, it is very simple to connect these two concepts. After all, it is on a hot, sunny day that there is an urgent need for air conditioning.
That is why it would be efficient to use solar energy in the operation of climate technology. Hot and sunny - we cool the room, cloudy and cool - there is no need for this.
Types of solar air conditioners and their device
According to the principle of operation, two groups of air conditioners can be distinguished. These are active and passive. The first use thermal solar energy. The second type of technology converts solar energy into electrical energy.
Now most of this technology involves the partial use of solar energy. At any time, the split system is ready to switch to a backup power supply from the network. In the future, manufacturers plan to fully adapt equipment to be powered by solar energy.
This equipment is made up of three parts. This is a solar panel, indoor and outdoor unit. The internal part is responsible for converting the energy of the Sun into electrical energy using a special collector. A special photo panel is located on the outer part of the equipment. It is capable of absorbing solar energy.
And the last component of the equipment works on the principle of a solar battery, collecting and storing energy. The solar panel is located on the outside of the split system.
At present, many manufacturers have begun to produce a solar air conditioner, actively disseminating information about various innovations in this production. Also, the popularity of this equipment adds to its environmental safety. In the near future, a complete transition to the use of this equipment is planned, even with the ability to connect various home appliances to it. For example, devices such as lighting lamps.
Benefits of using solar climate technology
An indisputable advantage in favor of using such equipment is the environmental safety of the technologies used in its creation. With solar air conditioning, the use of natural resources will decrease. This will reduce the negative impact on the environment. For example, inverter air conditioners consume up to 60% less electrical energy.
Also in solar climate technology, the dimensions are significantly reduced. The compactness of the equipment also reduces the use of natural resources. Efficient operation due to redesign (minimization of refrigerant leakage).
Watch this video to see what a solar air conditioner looks like in real life.
