CN117938072A - Solar photovoltaic cold and hot regulating device - Google Patents
Solar photovoltaic cold and hot regulating device Download PDFInfo
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- CN117938072A CN117938072A CN202410341201.1A CN202410341201A CN117938072A CN 117938072 A CN117938072 A CN 117938072A CN 202410341201 A CN202410341201 A CN 202410341201A CN 117938072 A CN117938072 A CN 117938072A
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- 230000017525 heat dissipation Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 20
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Abstract
The invention belongs to the technical field of solar photovoltaic heat management, and particularly relates to a solar photovoltaic cold and hot regulating device. The invention miniaturizes the solar photovoltaic cold and hot regulating device, reduces the production cost of the device, can realize the cold and hot regulation of small-sized solar photovoltaic panels in the equipment, improves the anti-interference capability of the small-sized solar photovoltaic panels to the environment, has the functions of cleaning dirt on the glass surface of the photovoltaic panels, protecting glass and preventing large foreign matters from adhering, avoids the condition of forming light spots when the solar photovoltaic panels generate electricity, can improve the use reliability of the solar photovoltaic panels, can ensure the service life of the solar photovoltaic panels, and can compensate the electric quantity consumed by the storage battery in the photovoltaic system by the electric quantity emitted by the electric quantity compensating mechanism, thereby avoiding the excessive electric quantity consumption and the interference on the stability of the power supply of the storage battery in the photovoltaic system.
Description
Technical Field
The invention belongs to the technical field of solar photovoltaic heat management, and particularly relates to a solar photovoltaic cold and hot regulating device.
Background
Solar photovoltaic power generation is a technology for converting light energy into electric energy by utilizing solar energy, and the solar photovoltaic panel has the characteristics of environmental protection, flexibility and reliability when in use, and is widely used, but the solar photovoltaic panel also faces the condition that the power generation efficiency is reduced and damaged due to high temperature and low temperature interference, so that the solar photovoltaic panel needs to be subjected to cold and hot regulation when in use, such as application publication number CN115940797A, and a solar photovoltaic cold and hot regulation device based on air film flow is disclosed.
The existing solar photovoltaic cold and hot regulating device is large in structural volume and high in preparation cost, so that the existing solar photovoltaic cold and hot regulating device is not suitable for small solar photovoltaic panels used by equipment such as solar street lamps, outdoor environment monitoring and outdoor geological monitoring, and due to the lack of an effective cold and hot regulating mechanism, the small photovoltaic panels are often subjected to the problems of photoelectric conversion efficiency reduction caused by high temperature in the use process and effective illumination intensity reduction caused by low-temperature frosting of the photovoltaic surfaces in winter, the use reliability of the solar photovoltaic panels is affected, and the service life of the solar photovoltaic panels is shortened;
In addition, when equipment such as solar street lamp, outdoor environmental monitor, outdoor geological monitoring appearance is outdoor when using, because night moisture evaporation volume reduces, moisture content in the air increases, and the solar photovoltaic board surface low temperature makes moisture liquefaction easily forms the drop of water in addition, lead to the photovoltaic board surface moist, the dust in the air is adsorbed easily to moist solar photovoltaic board surface, even light-duty shelters such as leaf, plastic skin, these shelters can form local shadow on solar photovoltaic board under the sunshine irradiation for solar photovoltaic board's electricity generation conversion rate becomes unbalanced, and the photoelectric conversion rate of shadow part can reduce, still can produce more heat simultaneously, forms local high temperature, this has not only influenced solar photovoltaic power generation's efficiency, and the fail safe nature and the life of photovoltaic board probably also cause adverse effect.
Therefore, a solar photovoltaic cold and hot regulating device is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides a solar photovoltaic cold and hot regulating device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a cold and hot regulation and control device of solar photovoltaic, includes solar photovoltaic board and is used for installing two transparent plates of solar photovoltaic board, two the common fixedly connected with hollow board in bottom of transparent plate, the bottom fixedly connected with connecting cover of hollow board, the bottom fixedly connected with two fixed strips of connecting cover, the inner wall fixedly connected with baffle of connecting cover, connecting cover and baffle form cold cavity and hot cavity jointly, a plurality of mounting holes have been seted up to the upper surface of baffle, and the pore wall fixedly connected with semiconductor refrigeration piece of mounting hole, the lateral wall fixedly connected with U-shaped pipe of connecting cover, the air inlet fixedly connected with air inlet mechanism of U-shaped pipe, two lateral ends of U-shaped pipe are located the inside of cold cavity and hot cavity respectively, one side fixedly connected with first electromagnetic reversing valve and second electromagnetic reversing valve of U-shaped pipe are kept away from to the connecting cover, the output fixedly connected with hollow L of first electromagnetic reversing valve jointly, the opening part lateral end and the hollow board of hollow L and the cavity top of hollow board are seted up, a plurality of air nozzle fixedly connected with other transparent nozzle fixedly connected with electric quantity compensation mechanism, one of transparent nozzle fixedly connected with another transparent nozzle fixedly connected with one of transparent nozzle has another transparent nozzle.
In the above-mentioned cold and hot regulation and control device of solar photovoltaic, temperature difference detection mechanism includes the thermal-insulated light shield with transparent plate outer wall fixed connection, the inside of thermal-insulated light shield is equipped with first temperature sensing subassembly, first temperature sensing subassembly's detection end and solar photovoltaic panel's bottom contact, first temperature sensing subassembly's data line bottom is connected with control assembly, control assembly's outward appearance fixedly connected with underground heat conduction case, underground heat conduction case's inner wall fixedly connected with heat insulating board, another input of control assembly is connected with second temperature sensing subassembly, the data line of second temperature sensing subassembly passes the heat insulating board, second temperature sensing subassembly's detection end and underground heat conduction case's inner wall contact.
In the above-mentioned cold and hot regulation and control device of solar photovoltaic, the mechanism of admitting air includes U-shaped pipe air inlet fixed connection's suction fan, the inlet end fixed intercommunication of suction fan has first pipe, the bottom fixedly connected with heat conduction cover of first pipe, the bottom of heat conduction cover is fixedly connected with the upper surface of underground box, the top fixed intercommunication of heat conduction cover has the second pipe.
In the cold and hot regulation and control device of solar photovoltaic, spot cleaning mechanism includes two sets of solid fixed ring, two sets of gu fixed ring respectively with the outer wall fixed connection of two transparent plates, every two fixed ring's inner wall is connected with the rotatory roller through antifriction bearing, two transparent clean guipure has been cup jointed jointly to the outer wall of rotatory roller, the top and the upper surface contact of solar photovoltaic board of transparent clean guipure, two transparent plate's outer wall has all seted up two and has passed the hole with transparent clean guipure matched with, one of them the side fixedly connected with first bevel gear of rotatory roller, the outward appearance fixedly connected with U-shaped cover of transparent plate, the inner wall fixedly connected with motor of U-shaped cover, the output fixedly connected with and first bevel gear matched with second bevel gear of motor, the bottom fixed intercommunication of U-shaped cover has a plurality of air ducts, the bottom and the upper surface fixed intercommunication of hollow L shaped plate of air duct.
In the above-mentioned cold and hot regulation and control device of solar photovoltaic, electric quantity compensation mechanism includes the support with L shape hollow slab outer wall fixed connection, the top of support is connected with the regulation pole through bolt nut subassembly, the top fixedly connected with heat dissipation box of regulation pole, the inner wall connection of heat dissipation box has the U-shaped frame, fixedly connected with direct current generator and miniature Stirling engine subassembly on the U-shaped frame, the upper surface of heat dissipation box is passed to the one end of U-shaped frame to fixedly connected with collar, the inner wall fixedly connected with solar collector tube of collar, the outer wall of heat dissipation box is passed to the heated end of miniature Stirling engine subassembly, and is located solar collector tube's inside.
In the above-mentioned cold and hot regulation and control device of solar photovoltaic, the cooling side and the heat dissipation side of semiconductor refrigeration piece are all fixedly connected with heat conduction fin, are located the inside that the heat cavity was arranged in to a plurality of heat conduction fins of semiconductor refrigeration piece heat dissipation side, be located the inside that the cold cavity was arranged in to a plurality of heat conduction fins of semiconductor refrigeration piece refrigeration side, the inlet end of first electromagnetic reversing valve is located the inside of the heat cavity, the inlet end of second electromagnetic reversing valve is located the inside of the cold cavity.
In the solar photovoltaic cold and hot regulating device, a plurality of through holes are formed in the upper surface of the heat conducting cover, and the wall of each through hole is fixedly connected with a metal sheet.
In the solar photovoltaic cold and hot regulating device, a plurality of rectangular strip holes are uniformly formed in the upper surface of the transparent cleaning mesh belt, rubber scraping strips are fixedly connected to the hole walls of the rectangular strip holes, and two grooves matched with the rubber scraping strips are formed in the outer wall of the rotating roller.
Compared with the prior art, the solar photovoltaic cold and hot regulating device has the advantages that:
1. Through temperature difference detection mechanism, air inlet mechanism, hollow board and air nozzle that sets up, when small-size solar photovoltaic board used on solar street lamp, outdoor environment monitor and outdoor geological monitor, temperature difference detection mechanism carries out temperature detection to solar photovoltaic board, when finding solar photovoltaic board and be in high temperature and low temperature environment, semiconductor refrigeration piece and air inlet mechanism work, the higher temperature is under the high temperature environment and the lower temperature is under the low temperature environment, temperature difference detection mechanism can control air inlet mechanism working power and improve, realize cold and hot regulation and control to solar photovoltaic board, and control the air source that gets into hollow L shaped plate through first electromagnetic reversing valve and second electromagnetic reversing valve, this mechanism makes the cold and hot regulation and control device of solar photovoltaic miniaturized, the manufacturing cost of device has been reduced, and can realize the cold and hot regulation and control to small-size solar photovoltaic board in solar street lamp, outdoor environment monitor, outdoor geological monitor etc. equipment, and can guarantee that small-size solar photovoltaic board is continuous safe and reliable work under high temperature or low temperature environment, and can improve small-size solar photovoltaic board's anti-interference ability to the environment.
2. Through the clean mechanism of spot that sets up, solar photovoltaic cold and hot regulation and control device is six points in every morning, six points in every morning are controlled through control assembly and are passed through night evaporation volume low influence about the control mechanism, control moisture content is big in the air, and moisture forms the drop on the solar photovoltaic board surface of low temperature, and can moisten solar photovoltaic board surface spot, clean the mechanism of spot then, and transparent clean guipure can improve solar photovoltaic board surface's protective capability, transparent clean guipure can also prevent that big foreign matters such as leaf and plastics skin from adhering to solar photovoltaic board simultaneously, this mechanism makes the clean mechanism of cold and hot regulation and control device of solar photovoltaic have small-size solar photovoltaic board glass surface spot clean, glass protection and big foreign matter prevent adhering to the function, form the facula condition when avoiding solar photovoltaic board electricity generation, not only can guarantee solar photovoltaic board's generating efficiency, can also improve solar photovoltaic board work's fail safe nature and life-span.
3. Through the electric quantity compensation mechanism that sets up, solar photovoltaic cold and hot regulation and control device is when the work, solar irradiation is to solar collector tube, the heat of solar collector tube accumulation is acted on the heat receiving end of miniature Stirling engine subassembly, miniature Stirling engine subassembly receives the heat receiving end to last the heat-retaining drive direct current generator and lasts rotatory power generation, the electric quantity that direct current generator sent is carried along solar photovoltaic board circuit and is stored in the battery, the electric quantity that electric quantity compensation mechanism sent can compensate solar photovoltaic cold and hot regulation and control device and follow the electric quantity that the battery consumed in the solar photovoltaic board system, avoid the electric quantity to consume too much and interfere with the stability of battery power supply in the solar photovoltaic board system.
Drawings
Fig. 1 is a schematic structural diagram of a solar photovoltaic cold and hot regulating device provided by the invention;
Fig. 2 is a schematic structural view of a solar photovoltaic cold and hot regulating device in a partial section;
FIG. 3 is a schematic structural diagram of a temperature difference detection mechanism in a solar photovoltaic cold and hot regulating device;
fig. 4 is a schematic structural diagram of a stain cleaning mechanism in a solar photovoltaic cold and hot regulating device;
Fig. 5 is a schematic structural view of a transparent cleaning mesh belt in a solar photovoltaic cold and hot regulating device in a partial top view;
Fig. 6 is a schematic structural diagram of an electric quantity compensation mechanism in a solar photovoltaic cold and hot regulating device.
In the figure: 1 solar photovoltaic panel, 2 transparent plate, 3 hollow plate, 4 connection cover, 5 fixing strip, 6 air inlet mechanism, 61 suction fan, 62 first conduit, 63 heat conduction cover, 64 second conduit, 7 dirty cleaning mechanism, 71 fixed ring, 72 rotary roller, 73 transparent cleaning net belt, 74 first bevel gear, 75U-shaped cover, 76 air duct, 77 motor, 78 second bevel gear, 8 temperature difference detection mechanism, 81 heat insulation light shielding cover, 82 first temperature sensing component, 83 control component, 84 underground heat conduction box, 85 heat shielding plate, 86 second temperature sensing component, 9 electric quantity compensation mechanism, 91 bracket, 92 regulation pole, 93 heat dissipation box, 94U-shaped frame, 95 direct current generator, 96 micro Stirling engine component, 97 installation ring, 98 solar heat collecting tube, 10 partition board, 11 heat cavity, 12 cold cavity, 13 semiconductor refrigerating sheet, 14U-shaped tube, 15 first electromagnetic reversing valve, 16 second electromagnetic reversing valve, 17 hollow L-shaped plate, 18 mouth, 19 heat conduction fin, 20 metal sheet, 21 rubber strip, 22 groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, a solar photovoltaic cold and hot regulation device comprises a solar photovoltaic panel 1 and two transparent plates 2 for installing the solar photovoltaic panel 1, the bottom ends of the two transparent plates 2 are fixedly connected with a hollow plate 3, the bottom end of the hollow plate 3 is fixedly connected with a connecting cover 4, the bottom end of the connecting cover 4 is fixedly connected with two fixing strips 5, the inner wall of the connecting cover 4 is fixedly connected with a partition plate 10, the connecting cover 4 and the partition plate 10 jointly form a cold cavity 12 and a hot cavity 11, a plurality of mounting holes are formed in the upper surface of the partition plate 10, the hole wall of each mounting hole is fixedly connected with a semiconductor refrigerating sheet 13, the side wall of the connecting cover 4 is fixedly connected with a U-shaped pipe 14, the air inlet of the U-shaped pipe 14 is fixedly connected with an air inlet mechanism 6, the air inlet of the U-shaped pipe 14 is fixedly connected with a first conduit 62, the bottom end of the first conduit 62 is fixedly connected with a heat conducting cover 63, the upper surface of the heat conducting cover 63 is provided with a plurality of through holes, the hole wall of the through holes is fixedly connected with a metal sheet 20, the hole wall of the metal sheet 20 can be connected with a second heat conducting cover 63, the top end of the heat conducting cover 63 is fixedly connected with an underground surface of the heat conducting cover 63, and the heat conducting cover 63 is fixedly connected with the top surface of the heat conducting cover 63, and the top surface of the heat conducting cover 63 is fixedly connected with the top surface of the heat conducting cover 63.
The two side ends of the U-shaped pipe 14 are respectively positioned in the cold cavity 12 and the hot cavity 11, one side, far away from the U-shaped pipe 14, of the connecting cover 4 is fixedly communicated with a first electromagnetic directional valve 15 and a second electromagnetic directional valve 16, the output ends of the first electromagnetic directional valve 15 and the second electromagnetic directional valve 16 are fixedly communicated with a hollow L-shaped plate 17 together, the side end of the opening of the hollow L-shaped plate 17 is communicated with the cavity of the hollow plate 3, the top end of the hollow plate 3 is fixedly communicated with a plurality of air nozzles 18, the refrigeration side and the heat dissipation side of the semiconductor refrigeration piece 13 are fixedly connected with heat conducting fins 19, the plurality of heat conducting fins 19 positioned on the heat dissipation side of the semiconductor refrigeration piece 13 are arranged in the hot cavity 11, the plurality of heat conducting fins 19 positioned on the refrigeration side of the semiconductor refrigeration piece 13 are arranged in the cold cavity 12, the air inlet end of the first electromagnetic directional valve 15 is positioned in the hot cavity 11, and the air inlet end of the second electromagnetic directional valve 16 is positioned in the cold cavity 12.
The outer walls of the two transparent plates 2 are fixedly connected with a spot cleaning mechanism 7 together, the spot cleaning mechanism 7 comprises two groups of fixed rings 71, the two groups of fixed rings 71 are fixedly connected with the outer walls of the two transparent plates 2 respectively, the inner wall of each group of two fixed rings 71 is connected with a rotary roller 72 through a rolling bearing, the outer walls of the two rotary rollers 72 are sleeved with a transparent cleaning mesh belt 73 together, a plurality of rectangular strip holes are uniformly formed on the upper surface of the transparent cleaning mesh belt 73, the wall of each rectangular strip hole is fixedly connected with a rubber scraping strip 21, two grooves 22 matched with the rubber scraping strip 21 are formed on the outer wall of the rotary roller 72, the rubber scraping strip 21 can ensure that the rotary roller 72 drives the transparent cleaning mesh belt 73 to avoid slipping after being inserted into the grooves 22, the top end of the transparent cleaning mesh belt 73 is contacted with the upper surface of the solar photovoltaic plate 1, two through holes matched with the transparent cleaning net belts 73 are formed in the outer walls of the two transparent plates 2, a first bevel gear 74 is fixedly connected to the side end of one rotary roller 72, a U-shaped cover 75 is fixedly connected to the outer surface of the transparent plate 2, a motor 77 is fixedly connected to the inner wall of the U-shaped cover 75, a second bevel gear 78 matched with the first bevel gear 74 is fixedly connected to the output end of the motor 77, a plurality of air ducts 76 are fixedly communicated with the bottom end of the U-shaped cover 75, the bottom ends of the air ducts 76 are fixedly communicated with the upper surface of the hollow L-shaped plate 17, the mechanism enables the solar photovoltaic cold-hot regulating device to have the functions of cleaning stains on the glass surface of the small solar photovoltaic plate 1, protecting glass and preventing large foreign matters from adhering, so that the spot situation is avoided when the solar photovoltaic plate 1 generates electricity, the phenomenon of high hot spots is avoided on the solar photovoltaic plate 1, the power generation efficiency of the solar photovoltaic plate 1 is ensured, the safety and reliability and the service life of the solar photovoltaic panel 1 can also be improved.
The side wall fixedly connected with difference in temperature detection mechanism 8 of one of them transparent plate 2, difference in temperature detection mechanism 8 includes thermal-insulated light shield 81 of outer wall fixed connection with transparent plate 2, the inside of thermal-insulated light shield 81 is equipped with first temperature sensing component 82, the detection end of first temperature sensing component 82 and the bottom contact of solar photovoltaic board 1, the data line bottom of first temperature sensing component 82 is connected with control assembly 83, the outward appearance fixedly connected with underground heat conduction case 84 of control assembly 83, the inner wall fixedly connected with heat insulating board 85 of underground heat conduction case 84, the other input of control assembly 83 is connected with second temperature sensing component 86, the data line of second temperature sensing component 86 passes heat insulating board 85, the detection end of second temperature sensing component 86 and the inner wall contact of underground heat conduction case 84, this mechanism can automatic control solar photovoltaic cold and hot regulation and control device carries out cold regulation and control to small-size solar photovoltaic board 1, guarantee the work of solar photovoltaic board 1 fail safe nature.
The outer wall fixedly connected with electric quantity compensation mechanism 9 of another transparent plate 2, electric quantity compensation mechanism 9 includes the support 91 with L shape hollow plate 3 outer wall fixed connection, the top of support 91 is connected with regulation pole 92 through the bolt nut subassembly, the top fixedly connected with heat dissipation box 93 of regulation pole 92, the inner wall connection of heat dissipation box 93 has U-shaped frame 94, fixedly connected with direct current generator 95 and miniature Stirling engine assembly 96 on the U-shaped frame 94, the upper surface of heat dissipation box 93 is passed to the one end of U-shaped frame 94, and fixedly connected with collar 97, the inner wall fixedly connected with solar collector tube 98 of collar 97, the heated end of miniature Stirling engine assembly 96 passes the outer wall of heat dissipation box 93, and be located the inside of solar collector tube 98, the electric quantity that electric quantity compensation mechanism 9 sent out can compensate the electric quantity that solar photovoltaic cold and hot regulation and control device consumed from the battery in the photovoltaic system, avoid the electric quantity to consume too much and the stability of battery power supply in the interference photovoltaic system.
The transparent cleaning mesh belt 73 arranged on the surface of the solar photovoltaic panel 1 is provided with a large number of meshes, transparent materials selected for the transparent cleaning mesh belt 73 can be transmitted with high efficiency, the obstruction of the transparent cleaning mesh belt 73 to the surface illumination of the solar photovoltaic panel 1 is greatly reduced, the solar photovoltaic panel 1 can receive enough illumination, further, the power generation of the solar photovoltaic panel is not affected by the transparent cleaning mesh belt 73, in addition, the second temperature sensing assembly 86 is placed underground and is more easily resistant to the interference of the environment than the situation of being placed near the outer side of the solar photovoltaic panel 1, meanwhile, the data difference value of the first temperature sensing assembly 82 and the second temperature sensing assembly 86 can more accurately represent the surface temperature change of the solar photovoltaic panel 1, if the second temperature sensing assembly 86 is placed near the outer side of the solar photovoltaic panel 1, the detection result is distorted due to the influence of the external environment, for example, air moisture, air flow, ice frost or foreign object shielding can cause the data detected by the second temperature sensing assembly 86 to be greatly different from the actual temperature, then the control assembly 83 receives the data of the second temperature sensing assembly 86, the data of being interfered by the second temperature sensing assembly 86, the underground is more accurately controlled than the solar photovoltaic panel 1, the situation of being better, the underground temperature is not being controlled, the situation of the underground temperature is better, the underground temperature is controlled, the device is better, and the device can be controlled, and the error condition can be better, and the underground temperature condition can be controlled, and the device can be better, and the temperature condition can be controlled, and the temperature condition can be better and the temperature can be adjusted, and the temperature can be adjusted.
The direct current generator 95 is connected with two ends of the solar photovoltaic panel 1 in parallel through wires, the first temperature sensing component 82 and the second temperature sensing component 86 are electrically connected with the input end of the control component 83 through wires, the first electromagnetic reversing valve 15, the second electromagnetic reversing valve 16, the semiconductor refrigerating piece 13, the motor 77 and the suction fan 61 are electrically connected with the output end of the control component 83 through wires, the control component 83 is a plc controller, the first temperature sensing component 82 and the second temperature sensing component 86 are temperature sensing devices, temperature conversion electric signals are transmitted to the control component 83, the micro Stirling engine component 96 is an external combustion engine, and the heated end of the micro Stirling engine component 96 can output rotary kinetic energy.
The principle of operation of the present invention will now be described as follows: when the small solar photovoltaic panel 1 is used on a solar street lamp, an outdoor environment monitor and an outdoor geological monitor, the underground heat conduction box 84 in the temperature difference detection mechanism 8 is buried underground by 8-10 meters, the fluctuation amplitude of underground temperature is smaller, the cold and hot regulation of the solar photovoltaic panel 1 can be conveniently and accurately controlled, the temperature of the surface of the solar photovoltaic panel 1 is detected to be A1 by the first temperature sensing component 82 in the temperature difference detection mechanism 8, the underground temperature is detected to be A2 by the second temperature sensing component 86, the average temperature of the underground environment is calculated by the control component 83 according to the temperature A2 of the previous day, the average temperature is the comparison temperature A3, when the temperature data value obtained by subtracting A3 from A1 is calculated by the control component 83 after the first temperature sensing component 82 sends A1 data to the control component 83, the obtained temperature data value is larger than 15, the solar photovoltaic panel 1 is indicated to be subjected to the altitude of Wen Ganrao, at this time, the control unit 83 controls the operation of the air intake mechanism 6 and the semiconductor refrigerating sheet 13, at this time, the air intake mechanism 6 sucks the external high temperature air into the heat conducting cover 63 through the second conduit 64, the temperature of the high temperature air is lowered due to the influence of the underground temperature because the heat conducting cover 63 is placed underground, the air after the temperature lowering is delivered to the U-shaped pipe 14 through the first conduit 62 and the suction fan 61, the U-shaped pipe 14 delivers the air into the hot cavity 11 and the cold cavity 12, the low temperature air in the hot cavity 11 can assist the heat dissipation of the heat dissipation side of the semiconductor refrigerating sheet 13, the refrigerating side of the semiconductor refrigerating sheet 13 can further reliably cool the low temperature air, the control unit 83 also controls the air guiding directions of the first electromagnetic directional valve 15 and the second electromagnetic directional valve 16, the first electromagnetic directional valve 15 guides the hot air prepared in the hot cavity 11 into the external environment, the second electromagnetic reversing valve 16 guides the low-temperature air prepared by the cold cavity 12 into the hollow L-shaped plate 17 and the hollow plate 3, and finally the low-temperature air is sprayed to the position of the solar photovoltaic plate 1 from the air nozzle 18, the temperature of the solar photovoltaic plate 1 is reduced by utilizing the low-temperature air, the larger the data value of A1 minus A3 is, the higher the surface temperature of the solar photovoltaic plate 1 is, at the moment, the control component 83 controls the suction power of the suction fan 61 in the air inlet mechanism 6 to be increased along with the increase of the suction power, so that more air is cooled through the cold cavity 12, and finally the low-temperature air is conveyed to the position of the solar photovoltaic plate 1 for cooling adjustment, and the working power of the air inlet mechanism 6 is weakened along with the temperature reduction of the solar photovoltaic plate 1 until the data value of A1 minus A3 is smaller than 15 and stops working;
if the data value obtained by subtracting A3 from A1 is smaller than-10, it means that the solar photovoltaic panel 1 is in a low-temperature environment and even is disturbed by freezing, at this time, the control component 83 controls the air inlet mechanism 6 to suck the external low-temperature air and convey the external low-temperature air to the heat conducting cover 63, the external low-temperature air is preheated by the underground environment at the heat conducting cover 63, the temperature of the external low-temperature air is increased, then the air with the increased temperature enters the hot cavity 11 and the cold cavity 12, the air entering the hot cavity 11 is further increased in temperature by the heat emitted by the heat radiating side of the semiconductor refrigerating sheet 13, the air flowing into the cold cavity 12 from the U-shaped pipe 14 carries more heat to be absorbed by the refrigerating side of the semiconductor refrigerating sheet 13, and the absorbed heat is emitted from the heat radiating side of the semiconductor refrigerating sheet 13, so that the heat generating effect of the heat radiating side of the semiconductor refrigerating sheet 13 is more obvious, the temperature of the air flowing into the hot cavity 11 is effectively increased, meanwhile, the control component 83 controls the air guide directions of the first electromagnetic directional valve 15 and the second electromagnetic directional valve 16, the first electromagnetic directional valve 15 sprays hot air prepared by the hot cavity 11 to the solar photovoltaic panel 1 through the hollow L-shaped plate 17, the hollow plate 3 and the air nozzle 18, the temperature of the solar photovoltaic panel 1 is improved, the solar photovoltaic panel 1 is prevented from being damaged by low temperature, the second electromagnetic directional valve 16 guides cold air in the cold cavity 12 to the external environment, the air flow in the cold cavity 12 can be ensured, when the obtained data value obtained by subtracting A3 from A1 is far smaller than-10, the working power of the air inlet mechanism 6 is also improved, more air sucked by the air suction fan 61 of the air inlet mechanism 6 is conveyed to the solar photovoltaic panel 1 after being heated by the hot cavity 11, the purpose of low-temperature rapid adjustment of the solar photovoltaic panel 1 is realized, if the data value obtained by subtracting A3 from A1 is between-10 and 15, the device does not regulate the temperature of the solar photovoltaic panel 1, and the solar photovoltaic panel 1 is in a proper working temperature environment, and the mechanism miniaturizes the solar photovoltaic temperature regulating device, so that the production cost of the device is reduced, the cold and hot regulation of the small solar photovoltaic panel 1 in the equipment such as a solar street lamp, an outdoor environment monitor, an outdoor geological monitor and the like can be realized, the safe and reliable work of the small solar photovoltaic panel 1 in a high-temperature or low-temperature environment can be ensured, the service life of the small solar photovoltaic panel 1 can be ensured, and the anti-interference capability of the small solar photovoltaic panel 1 to the environment can be improved.
The solar photovoltaic cold and hot regulating device controls the air inlet mechanism 6, the first electromagnetic reversing valve 15 and the spot cleaning mechanism 7 to start working for three minutes through the control component 83 at six points in the morning, the moisture content in the air is larger in each day, the moisture in the air can be gradually increased due to the influence of low evaporation amount at night, the moisture in the air forms water drops on the surface of the solar photovoltaic panel 1 at low temperature and can wet the spots on the surface of the solar photovoltaic panel 1, then after the spot cleaning mechanism 7 is electrified, the motor 77 rotates the rotary roller 72 through the first bevel gear 74 and the second bevel gear 78, the rotary roller 72 drives the transparent cleaning mesh belt 73 to work, the transparent cleaning mesh belt 73 can not interfere the solar photovoltaic panel 1 to receive sunlight to generate electricity, the protection capability of the surface of the solar photovoltaic panel 1 can also be improved, foreign matters can be prevented from damaging glass on the solar photovoltaic panel 1, the transparent cleaning net belt 73 can clean the surface of the solar photovoltaic panel 1 after rotating, meanwhile, the rubber scraping strip 21 moves along with the transparent cleaning net belt 73, the rubber scraping strip 21 can further scrape dirt wetted on the surface of the solar photovoltaic panel 1, and can clean water stains on the surface of the solar photovoltaic panel 1, air entering the air duct 76 from the hollow L-shaped plate 17 is sprayed to the transparent cleaning net belt 73 at the rotating roller 72 under the cooperation of the air duct 76, so that dirt cleaning on the transparent cleaning net belt 73 is realized, and the transparent cleaning net belt 73 can also prevent large foreign matters such as leaves, plastic leather and the like from adhering to the solar photovoltaic panel 1, the mechanism enables the solar photovoltaic cold-hot regulating device to have functions of cleaning dirt on the glass surface of the small solar photovoltaic panel 1, protecting glass and preventing the large foreign matters from adhering to avoid forming light spots when the solar photovoltaic panel 1 generates electricity, thereby avoiding the phenomenon of high-temperature spots on the solar photovoltaic panel 1, not only ensuring the power generation efficiency of the solar photovoltaic panel 1, but also improving the safety and the reliability and the service life of the operation of the solar photovoltaic panel 1;
When the solar photovoltaic cold and hot regulating device works, sunlight irradiates the solar heat collecting tube 98, heat accumulated by the solar heat collecting tube 98 acts on the heated end of the micro Stirling engine assembly 96, the heated end of the micro Stirling engine assembly 96 continuously receives heat to drive the direct-current generator 95 to continuously rotate to generate electricity, electric quantity emitted by the direct-current generator 95 is conveyed to a storage battery in a photovoltaic system along a solar photovoltaic panel 1 line to be stored, and electric quantity emitted by the electric quantity compensation mechanism 9 can compensate electric quantity consumed by the storage battery in the photovoltaic system by the solar photovoltaic cold and hot regulating device, so that the excessive electric quantity consumption is avoided, and the stability of power supply of the storage battery in the photovoltaic system is interfered.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a cold and hot regulation and control device of solar photovoltaic, includes solar photovoltaic board (1) and is used for installing two transparent plates (2) of solar photovoltaic board (1), its characterized in that, two the bottom of transparent plate (2) is fixedly connected with hollow board (3) jointly, the bottom fixedly connected with of hollow board (3) is connected with cover (6), the bottom fixedly connected with of cover (4) is two fixed strips (5), the inner wall fixedly connected with baffle (10) of cover (4), cover (4) and baffle (10) constitute cold cavity (12) and hot cavity (11) jointly, a plurality of mounting holes have been seted up to the upper surface of baffle (10), and the pore wall fixedly connected with semiconductor refrigerating piece (13) of mounting hole, the lateral wall fixedly connected with U-shaped pipe (14) of cover (4), the air inlet fixedly connected with air inlet mechanism (6) of U-shaped pipe (14), both sides end of U-shaped pipe (14) are located cold cavity (12) and hot cavity (11) respectively, the first electromagnetic valve (16) and second electromagnetic valve (16) are kept away from to the first electromagnetic valve (16) and the second electromagnetic valve (16) and the first electromagnetic valve (16) are connected with each other, the utility model discloses a spot cleaning mechanism, including hollow L shaped board (17), hollow plate (3), electric quantity compensation mechanism (9) are connected with in the cavity intercommunication of opening part side and hollow plate (3), the fixed intercommunication in top of hollow plate (3) has a plurality of air nozzles (18), two the outer wall of transparent plate (2) is fixed connection in common spot cleaning mechanism (7), one of them lateral wall fixedly connected with difference in temperature detection mechanism (8) of transparent plate (2), another the outer wall fixedly connected with electric quantity compensation mechanism (9) of transparent plate (2).
2. The solar photovoltaic cold and hot regulation and control device according to claim 1, wherein the temperature difference detection mechanism (8) comprises a heat insulation light shielding cover (81) fixedly connected with the outer wall of the transparent plate (2), a first temperature sensing component (82) is arranged in the heat insulation light shielding cover (81), the detection end of the first temperature sensing component (82) is in contact with the bottom end of the solar photovoltaic plate (1), a control component (83) is connected to the bottom end of a data line of the first temperature sensing component (82), a subsurface heat conducting box (84) is fixedly connected to the outer surface of the control component (83), a heat insulating plate (85) is fixedly connected to the inner wall of the subsurface heat conducting box (84), a second temperature sensing component (86) is connected to the other input end of the control component (83), and the data line of the second temperature sensing component (86) penetrates through the heat insulating plate (85), and the detection end of the second temperature sensing component (86) is in contact with the inner wall of the subsurface heat conducting box (84).
3. The solar photovoltaic cold and hot regulating device according to claim 2, wherein the air inlet mechanism (6) comprises a suction fan (61) fixedly connected with an air inlet of a U-shaped pipe (14), an air inlet end of the suction fan (61) is fixedly communicated with a first guide pipe (62), a bottom end of the first guide pipe (62) is fixedly connected with a heat conducting cover (63), a bottom end of the heat conducting cover (63) is fixedly connected with the upper surface of the underground box, and a top end of the heat conducting cover (63) is fixedly communicated with a second guide pipe (64).
4. The solar photovoltaic cold and hot regulating device according to claim 1, wherein the stain cleaning mechanism (7) comprises two groups of fixing rings (71), the two groups of fixing rings (71) are fixedly connected with the outer walls of two transparent plates (2) respectively, the inner walls of each group of fixing rings (71) are connected with rotating rollers (72) through rolling bearings, the outer walls of the two rotating rollers (72) are jointly sheathed with a transparent cleaning net belt (73), the top ends of the transparent cleaning net belts (73) are in contact with the upper surface of a solar photovoltaic plate (1), two penetrating holes matched with the transparent cleaning net belts (73) are formed in the outer walls of the two transparent plates (2), one side end of each rotating roller (72) is fixedly connected with a first bevel gear (74), the outer surface of each transparent plate (2) is fixedly connected with a U-shaped cover (75), the inner walls of each U-shaped cover (75) are fixedly connected with a motor (77), the output ends of the motors (77) are fixedly connected with second bevel gears (78) matched with the first bevel gears (75), and the bottom ends of the motors (77) are fixedly connected with the hollow bevel gears (76) on the bottom ends of the hollow bevel gears (76).
5. The solar photovoltaic cold and hot regulating device according to claim 1, wherein the electric quantity compensation mechanism (9) comprises a bracket (91) fixedly connected with the outer wall of the L-shaped hollow plate (3), an adjusting rod (92) is connected to the top end of the bracket (91) through a bolt and nut assembly, a heat dissipation box (93) is fixedly connected to the top end of the adjusting rod (92), a U-shaped frame (94) is connected to the inner wall of the heat dissipation box (93), a direct current generator (95) and a micro Stirling engine assembly (96) are fixedly connected to the U-shaped frame (94), one end of the U-shaped frame (94) penetrates through the upper surface of the heat dissipation box (93) and is fixedly connected with a mounting ring (97), the inner wall of the mounting ring (97) is fixedly connected with a solar heat collecting tube (98), and the heated end of the micro Stirling engine assembly (96) penetrates through the outer wall of the heat dissipation box (93) and is located inside the solar heat collecting tube (98).
6. The solar photovoltaic cold and hot regulating device according to claim 1, wherein the cooling side and the heat dissipation side of the semiconductor cooling sheet (13) are fixedly connected with heat conducting fins (19), a plurality of heat conducting fins (19) located on the heat dissipation side of the semiconductor cooling sheet (13) are arranged in the hot cavity (11), a plurality of heat conducting fins (19) located on the cooling side of the semiconductor cooling sheet (13) are arranged in the cold cavity (12), an air inlet end of the first electromagnetic reversing valve (15) is located in the hot cavity (11), and an air inlet end of the second electromagnetic reversing valve (16) is located in the cold cavity (12).
7. A solar photovoltaic cold and hot regulating device according to claim 3, wherein a plurality of through holes are formed on the upper surface of the heat conducting cover (63), and the walls of the through holes are fixedly connected with metal sheets (20).
8. The solar photovoltaic cold and hot regulating device according to claim 4, wherein a plurality of rectangular strip holes are uniformly formed in the upper surface of the transparent cleaning net belt (73), rubber scraping strips (21) are fixedly connected to the wall of the rectangular strip holes, and two grooves (22) matched with the rubber scraping strips (21) are formed in the outer wall of the rotating roller (72).
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