CN114531111B - Novel solar photovoltaic heat dissipation and adjustment device - Google Patents
Novel solar photovoltaic heat dissipation and adjustment device Download PDFInfo
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- CN114531111B CN114531111B CN202210178286.7A CN202210178286A CN114531111B CN 114531111 B CN114531111 B CN 114531111B CN 202210178286 A CN202210178286 A CN 202210178286A CN 114531111 B CN114531111 B CN 114531111B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The invention discloses a novel solar photovoltaic heat dissipation and adjustment device, wherein the end parts of two photovoltaic panel vertical supports are respectively provided with a fixed block, a movable block and a movable rod, the fixed blocks are fixed at the end parts of the photovoltaic panel vertical supports, the end parts of the movable rods penetrate through the movable blocks and are movably connected with the fixed blocks, the movable blocks on the two photovoltaic panel vertical supports are connected with the fan supports through sleeves and the fan supports, the fan supports are provided with a fan group motor and a fan group, the output ends of the fan group motor are connected with the fan group, and the fan group is positioned above the fin group and is opposite to the fin group; the device main support is provided with an adjusting device, the adjusting device is contacted with the middle part of the arc reinforcing rod, two ends of the arc reinforcing rod are connected with the photovoltaic panel vertical support, and the adjusting devices on the two device main supports are connected through an adjusting device connecting rod; the device can improve the conversion efficiency of the photovoltaic panel and has a self-cleaning function.
Description
Technical Field
The invention belongs to the technical field of solar photovoltaics, and relates to a novel solar photovoltaic heat dissipation and adjustment device.
Background
Solar energy is the most widely used and largest renewable energy source on the earth, and power generation by using the solar energy gradually becomes common knowledge of people. The existing solar power generation mainly focuses on photovoltaic power generation, and in operation, a solar photovoltaic panel converts absorbed solar energy into electric energy, and waste heat is continuously generated, so that the temperature of the solar photovoltaic panel is continuously increased. The current heat dissipation mode is difficult to meet the performance requirement under high light intensity irradiation. This will lead to a reduced photoelectric conversion efficiency of the photovoltaic panel, reducing the working efficiency of the whole device, and also reducing the service life. Due to the position of the solar photovoltaic panel, when the photovoltaic panel is used for a long time, a large amount of dust can be accumulated on the outer surface, the effect of absorbing solar energy of the photovoltaic panel can be affected by the existence of the dust, and the conversion efficiency of the photovoltaic panel is reduced. Conventional photovoltaic panel dust removal is generally carried out manually, and besides the unsatisfactory cleaning effect, the conventional photovoltaic panel dust removal is time-consuming and labor-consuming and has low efficiency. In addition, if the photovoltaic panel can not automatically regulated, when needing manual regulation, consume manpower resources more, the operation degree of difficulty in the adjustment process is great moreover, and the danger is higher.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a novel solar photovoltaic heat dissipation and adjustment device which can improve the conversion efficiency of a photovoltaic panel and has a self-cleaning function.
In order to achieve the aim, the novel solar photovoltaic heat dissipation and adjustment device comprises a pulsating heat pipe fixing frame, photovoltaic panels, pulsating heat pipes, a device total support, an arc reinforcing rod, a driving system, two device total supports and a plurality of photovoltaic panel transverse supports;
The upper ends of the two device main brackets are connected with photovoltaic panel vertical brackets through supporting link elements, wherein each photovoltaic panel transverse bracket and the pulsating heat pipe fixing frame are both fixed on the two photovoltaic panel vertical brackets, and the photovoltaic panel is fixed on each photovoltaic panel transverse bracket;
the pulsating heat pipe is positioned below the photovoltaic panel and fixed on the pulsating heat pipe fixing frame, an evaporation section of the pulsating heat pipe is in contact with the photovoltaic panel, and a fin group is arranged on a condensation section of the pulsating heat pipe;
The end parts of the two photovoltaic board vertical supports are respectively provided with a fixed block, a movable block and a movable rod, wherein the fixed blocks are fixed at the end parts of the photovoltaic board vertical supports, the end parts of the movable rods penetrate through the movable blocks to be movably connected with the fixed blocks, the movable blocks on the two photovoltaic board vertical supports are connected through sleeves and fan supports, the fan supports are provided with fan group motors and fan groups, the output ends of the fan group motors are connected with the fan groups, and the fan groups are positioned above the fin groups and are opposite to the fin groups;
the device main support is provided with an adjusting device, the adjusting device is contacted with the middle part of the arc reinforcing rod, two ends of the arc reinforcing rod are connected with the photovoltaic panel vertical support, and the adjusting devices on the two device main supports are connected through an adjusting device connecting rod;
The side of the movable rod is provided with external threads, the movable block is provided with internal threads matched with the external threads, and the driving system is connected with the movable rod and the connecting rod of the adjusting device.
The pulsating heat pipe is L-shaped.
The lower end of the device main bracket is fixed on the device fixing seat.
The adjusting device comprises a sheave and a bearing seat, the bearing seat is fixed on a device main support, the sheave is positioned on the bearing seat, the sheave is contacted with the middle part of an arc reinforcing rod, two ends of the arc reinforcing rod are connected with a photovoltaic panel vertical support, and the sheaves on the two device main supports are connected through an adjusting device connecting rod.
The driving system comprises a first driving motor, a second driving motor and a controller; the first driving motor is connected with the movable rod, the second driving motor is connected with the connecting rod of the adjusting device, and the controller is connected with the first driving motor and the second driving motor.
The device also comprises a light sensor, wherein the light sensor is connected with the controller.
The invention has the following beneficial effects:
When the novel solar photovoltaic heat dissipation and adjustment device is specifically operated, waste heat generated during operation of a photovoltaic panel is effectively transferred to a condensation section through the characteristics of high-efficiency and stable heat transfer capability, high adaptability and increased heat transfer area of the fin group of the pulsating heat pipe, and then the heat is transferred under the action of the fan group, so that the working temperature of the photovoltaic panel is obviously reduced, the photoelectric conversion efficiency of the photovoltaic panel is improved, and the service life of the whole device is prolonged; the position of the fan set is adjusted through the moving block, so that the fan set can realize two functions of heat dissipation and cleaning at the same time; the angle of the photovoltaic panel is adjusted through the adjusting device, so that the tracking capability of sunlight is facilitated, the photovoltaic panel can obtain solar radiation as much as possible, and the efficiency of the whole device is improved.
Furthermore, the pulsating heat pipe is of an L-shaped structure, and the evaporation section is in contact with the light Fu Banzhi for heat exchange by utilizing the characteristics of high variability and strong adaptability of the pulsating heat pipe, so that the structural compactness of the pulsating heat pipe is improved, and the pulsating heat pipe is beneficial to installation. In addition, the working medium of the evaporation section is evaporated after absorbing waste heat generated during the operation of the photovoltaic panel, flows to the condensation section, and is cooled into liquid after giving off heat in the condensation section. The heat supply of the evaporation section and the stable temperature difference formed by the cooling of the condensation section are relied on, and then unbalanced pressure between adjacent pipelines drives working media to circularly oscillate in the pipe, and the high-efficiency transfer of heat is realized through the phase change latent heat and the temperature difference sensible heat of the working media, so that the efficiency of the whole heat transfer process is high, the working temperature of a photovoltaic panel can be reduced, the photoelectric conversion efficiency of the photovoltaic panel is improved, and the service life of the whole device is prolonged.
Further, the condensing section is provided with a fin group to improve the heat dissipation area. In addition, the fan group is positioned above the fin group, so that cold air enters from the upper side of the photovoltaic panel to form an advantageous heat dissipation air channel, and under the action of the fan group, the convection capacity of the cold air and the fin group is enhanced, the evaporation section and the photovoltaic panel can be cooled to a certain extent, the heat transfer efficiency of the whole device is improved, and the requirement of rapid heat dissipation of the photovoltaic panel is met.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a schematic structural view of the adjusting device.
Fig. 3 is a schematic structural view of the pulsating heat pipe 17.
The device comprises a photovoltaic panel 1, a photovoltaic panel transverse support 2, a photovoltaic panel vertical support 3, a pulsating heat pipe fixing frame 4, a fin group 5, an adjusting device 6, a device total support 7, a device fixing seat 8, a fan group supporting rod 9, a moving block 10, a fixed block 11, a sleeve 12, a fan support 13, a fan group 14, a fan group motor 15, a movable rod 16, a pulsating heat pipe 17, an adjusting device connecting rod 18, a supporting link piece 19, a controller 20, an arc reinforcing rod 21, a bearing seat 22, a sheave 23, a condensing section 24 and an evaporating section 25.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, but not intended to limit the scope of the present disclosure. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the accompanying drawings, there is shown a schematic structural diagram in accordance with a disclosed embodiment of the invention. The figures are not drawn to scale, wherein certain details are exaggerated for clarity of presentation and may have been omitted. The shapes of the various regions, layers and their relative sizes, positional relationships shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
Referring to fig. 1, 2 and 3, the novel solar photovoltaic heat dissipation and adjustment device of the invention comprises a pulsating heat pipe fixing frame 4, a photovoltaic panel 1, a pulsating heat pipe 17, a device total bracket 7, an arc reinforcing rod 21, a fan group supporting rod 9, a first driving motor, a second driving motor, a controller 20, two device total brackets 7 and a plurality of photovoltaic panel transverse brackets 2;
The upper ends of the two device main brackets 7 are connected with the photovoltaic panel vertical brackets 3 through supporting link pieces 19, wherein each photovoltaic panel transverse bracket 2 and the pulsating heat pipe fixing frame 4 are fixed on the two photovoltaic panel vertical brackets 3, and the photovoltaic panel 1 is fixed on each photovoltaic panel transverse bracket 2;
The pulsating heat pipe 17 is of an L-shaped structure, the pulsating heat pipe 17 is positioned below the photovoltaic panel 1, the pulsating heat pipe 17 is fixed on the pulsating heat pipe fixing frame 4, an evaporation section 25 of the pulsating heat pipe 17 is contacted with the photovoltaic panel 1, and a condensation section 24 of the pulsating heat pipe 17 is provided with the fin group 5;
The end parts of the two photovoltaic panel vertical supports 3 are respectively provided with a fixed block 11, a movable block 10 and a movable rod 16, wherein the fixed blocks 11 are fixed at the end parts of the photovoltaic panel vertical supports 3, the end parts of the movable rods 16 penetrate through the movable blocks 10 and are movably connected with the fixed blocks 11, one end of a fan group supporting rod 9 is fixed on the device main support 7, the other end of the fan group supporting rod 9 is provided with the movable fixed blocks, one end of the movable rod 16 is movably connected with the movable fixed blocks, the other end of the movable rod 16 is movably connected with the fixed blocks 11, the movable rods 16 are vertically distributed between the photovoltaic panels 1, the movable blocks 10 on the two photovoltaic panel vertical supports 3 are connected with the fan support 13 through a sleeve 12, a fan group motor 15 and a fan group 14 are arranged on the fan support 13, wherein the output end of the fan group motor 15 is connected with the fan group 14, and the fan group 14 is positioned above the fin group 5 and faces the fin group 5;
The lower end of the device main support 7 is fixed on the device fixing seat 8, the device main support 7 is provided with an adjusting device 6, the adjusting device 6 comprises grooved wheels 23 and bearing blocks 22, the bearing blocks 22 are fixed on the device main support 7, the grooved wheels 23 are positioned on the bearing blocks 22, the grooved wheels 23 are contacted with the middle part of the arc reinforcing rod 21, two ends of the arc reinforcing rod 21 are connected with the photovoltaic panel vertical support 3, and the grooved wheels 23 on the two device main supports 7 are connected through an adjusting device connecting rod 18;
The side of the movable rod 16 is provided with external threads, the movable block 10 is provided with internal threads matched with the external threads, the movable rod 16 and the movable block 10 form a screw-nut mechanism, a first driving motor is connected with the movable rod 16, a second driving motor is connected with an adjusting device connecting rod 18, and a controller 20 is connected with the first driving motor and the second driving motor.
The working process of the invention is as follows:
the photovoltaic panel 1 absorbs solar radiation, the generated waste heat is absorbed by the evaporation section 25 of the pulsating heat pipe 17, the working medium evaporates and rises after absorbing heat and is transferred to the condensation section 24 of the pulsating heat pipe 17, at the moment, the fan group motor 15 drives the fan group 14 to rotate, an air channel is formed by the fan group 14 and the fin group 5, the convection capacity between the fin groups 5 is enhanced while the heat transfer area is increased, the effective transfer of heat is realized, the heat on the photovoltaic panel 1 is rapidly dissipated, the working temperature of the photovoltaic panel 1 is reduced, the photoelectric conversion efficiency of the photovoltaic panel 1 is improved, and the service life of the whole device is prolonged.
In addition, the first driving motor is controlled to rotate by the controller 20, and the moving block 10 is driven to move by the rotation of the first movable rod 16, so that the fan set 14 moves, and the fan set 14 can remove dust on the front surface of the photovoltaic panel 1, so that the working efficiency of the photovoltaic panel 1 is increased.
In addition, the controller 20 acquires the angle of sunlight in real time through the light sensor, and drives the adjusting device connecting rod 18 to rotate through the second driving motor to drive the grooved pulley 23 to rotate, and then drives the arc reinforcing rod 21 to rotate through the grooved pulley 23, so that the photovoltaic panel 1 moves by taking the supporting link 19 as a fulcrum to adjust the angle of the photovoltaic panel 1, and the photovoltaic panel 1 is always positioned at the position where the solar radiation quantity is furthest acquired.
Claims (6)
1. The novel solar photovoltaic heat dissipation and adjustment device is characterized by comprising a pulsating heat pipe fixing frame (4), photovoltaic panels (1), pulsating heat pipes (17), a device total support (7), an arc reinforcing rod (21), a driving system, two device total supports (7) and a plurality of photovoltaic panel transverse supports (2);
The upper ends of the two device main brackets (7) are connected with photovoltaic panel vertical brackets (3) through supporting link pieces (19), wherein each photovoltaic panel transverse bracket (2) and each pulsating heat pipe fixing frame (4) are fixed on the two photovoltaic panel vertical brackets (3), and the photovoltaic panel (1) is fixed on each photovoltaic panel transverse bracket (2);
the pulsating heat pipe (17) is positioned below the photovoltaic panel (1), the pulsating heat pipe (17) is fixed on the pulsating heat pipe fixing frame (4), an evaporation section (25) of the pulsating heat pipe (17) is contacted with the photovoltaic panel (1), and a fin group (5) is arranged on a condensation section (24) of the pulsating heat pipe (17);
The end parts of the two photovoltaic panel vertical supports (3) are respectively provided with a fixed block (11), a movable block (10) and a movable rod (16), wherein the fixed blocks (11) are fixed at the end parts of the photovoltaic panel vertical supports (3), the end parts of the movable rods (16) penetrate through the movable blocks (10) to be movably connected with the fixed blocks (11), the movable blocks (10) on the two photovoltaic panel vertical supports (3) are connected with the fan supports (13) through sleeves (12), fan group motors (15) and fan groups (14) are arranged on the fan supports (13), the output ends of the fan group motors (15) are connected with the fan groups (14), and the fan groups (14) are positioned above the fin groups (5) and are opposite to the fin groups (5);
An adjusting device (6) is arranged on the device main support (7), the adjusting device (6) is in contact with the middle part of an arc reinforcing rod (21), two ends of the arc reinforcing rod (21) are connected with the photovoltaic panel vertical support (3), and the adjusting devices (6) on the two device main supports (7) are connected through an adjusting device connecting rod (18);
The side of the movable rod (16) is provided with external threads, the movable block (10) is provided with internal threads matched with the external threads, and the driving system is connected with the movable rod (16) and the connecting rod (18) of the adjusting device.
2. The novel solar photovoltaic heat dissipation and conditioning device according to claim 1, characterized in that the pulsating heat pipe (17) is of L-shaped structure.
3. The novel solar photovoltaic heat dissipation and adjustment device according to claim 1, wherein a device fixing seat (8) is fixed at the lower end of the device main support (7).
4. The novel solar photovoltaic heat dissipation and adjustment device according to claim 1, wherein the adjustment device (6) comprises a grooved wheel (23) and a bearing seat (22), the bearing seat (22) is fixed on a device total support (7), the grooved wheel (23) is positioned on the bearing seat (22), the grooved wheel (23) is contacted with the middle part of an arc reinforcing rod (21), two ends of the arc reinforcing rod (21) are connected with a photovoltaic panel vertical support (3), and the grooved wheels (23) on the two device total supports (7) are connected through an adjustment device connecting rod (18).
5. The novel solar photovoltaic heat dissipation and conditioning device according to claim 1, characterized in that the drive system comprises a first drive motor, a second drive motor and a controller (20); the first driving motor is connected with the movable rod (16), the second driving motor is connected with the connecting rod (18) of the adjusting device, and the controller (20) is connected with the first driving motor and the second driving motor.
6. The novel solar photovoltaic heat dissipation and conditioning device according to claim 5, further comprising a light sensor, wherein the light sensor is connected to the controller (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210178286.7A CN114531111B (en) | 2022-02-24 | Novel solar photovoltaic heat dissipation and adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210178286.7A CN114531111B (en) | 2022-02-24 | Novel solar photovoltaic heat dissipation and adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114531111A CN114531111A (en) | 2022-05-24 |
| CN114531111B true CN114531111B (en) | 2024-07-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105918A (en) * | 2017-12-29 | 2018-06-01 | 南京航空航天大学 | Double source combined heat-pump and photovoltaic heat management integral system and its control method |
| CN113381691A (en) * | 2021-06-17 | 2021-09-10 | 四川大学 | Concentrating photovoltaic self-cooling device |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105918A (en) * | 2017-12-29 | 2018-06-01 | 南京航空航天大学 | Double source combined heat-pump and photovoltaic heat management integral system and its control method |
| CN113381691A (en) * | 2021-06-17 | 2021-09-10 | 四川大学 | Concentrating photovoltaic self-cooling device |
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