Photovoltaic waste heat recovery system

Abstract

The invention discloses a photovoltaic waste heat recovery system which comprises a ceiling, a fixing steel frame used for supporting, a plurality of sets of photovoltaic panels laid at the upper end of the ceiling, a waste heat recovery mechanism, a fixing mechanism, a plurality of sets of photovoltaic panels laid at the upper end of the ceiling, a plurality of sets of photovoltaic panels laid at the lower end of the ceiling and a plurality of sets of photovoltaic panels laid at the lower end of the ceiling. The fixing mechanisms are symmetrically arranged at the left end and the right end of the photovoltaic panel and used for limiting the photovoltaic panel and the hollow plate, and the mounting mechanisms are symmetrically arranged on the front side and the rear side of the lower end of the refrigerant heat exchange cabinet. According to the photovoltaic waste heat recovery system, through the arrangement of the fixing mechanism, the hollow plate piece and the refrigerant heat exchange pipe can be conveniently and additionally arranged at the lower end of the photovoltaic panel, waste heat of the photovoltaic panel can be recovered through the hollow plate piece, the refrigerant heat exchange pipe, the connecting pipeline and the refrigerant heat exchange equipment, the heat is recovered to be used for preheating the electric heating energy storage equipment, the waste heat is recovered, and the utilization rate of the electric heating energy storage equipment is improved. And the photoelectric conversion efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field related to photovoltaic waste heat recovery, and in particular to a photovoltaic waste heat recovery system. Background Art

[0002] Photovoltaic panels refer to a device composed of photovoltaic cells that can convert solar energy into direct current electricity. They use the photovoltaic effect of photovoltaic semiconductor materials to convert sunlight into electricity. When the photovoltaic panel is exposed to direct sunlight, the temperature will rise by about 70℃-80℃. If the temperature of the photovoltaic panel is too high, the photoelectric conversion efficiency of the photovoltaic panel will be reduced. There is an urgent need for a system to recover the heat of photovoltaic panels in the market. For example, the patent with announcement number CN203367324U discloses a heat recovery heat collection pipe for a photovoltaic power generation component, which belongs to the technical field of comprehensive utilization of solar energy. The two ends of the first rotating head in this application are respectively connected to the first flat tube and the second flat tube, and the first flat tube and the second flat tube are fixed by a first fastening rod; the two ends of the third rotating head are respectively connected to the third flat tube and the fourth flat tube, and the third flat tube and the fourth flat tube are fixed by a second fastening rod; the second flat tube and the third flat tube are connected through the second rotating head, and the second flat tube and the third flat tube are fixed by a third fastening rod; the open ends of the first flat tube and the fourth flat tube are connected to an external water pipe through a connecting pipe, the connecting pipe is a square pipe, and the external water pipe is a round pipe. This application ensures that the operating temperature of the photovoltaic power generation component will not be too high while generating hot water, thereby extending the life of the photovoltaic power generation component; For example, the patent with announcement number CN116827260B discloses a photovoltaic panel heat dissipation and waste heat recovery system, in which the connector corresponds to the drainage port and the water inlet port, and a pair of elastic pull ropes extending along the rotation groove are fixedly arranged on the adjustment layer plate, and the other ends of the pair of elastic pull ropes are respectively fixed to the first conversion block and the second conversion block, and the beneficial effect is: by adding a switching component to the existing photovoltaic panel rotation adjustment and cooling component, the traction force generated when the photovoltaic panel rotates is used to realize the switching of the water inlet and water outlet at the two end ports of the cooling coil, thereby realizing adaptive adjustment, ensuring that the water flow enters low and exits high, realizing sufficient cooling and heat dissipation, and cooperating with the three-layer elastic connection and the airbag to achieve the purpose of automatic switching; However, the existing photovoltaic waste heat recovery system still has the following shortcomings: The existing photovoltaic waste heat recovery system is not convenient to stably install the equipment for recovering waste heat on the photovoltaic panels. Although the photovoltaic waste heat can be recycled, the overall recovery efficiency is not high, the structure is too complicated and cumbersome, the cost of use is high, and it is not convenient to make good use of and store the recovered waste heat.

[0003] Therefore, we propose a photovoltaic waste heat recovery system to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a photovoltaic waste heat recovery system to solve the problem proposed in the above background technology that it is inconvenient and instability to install equipment for recovering waste heat on photovoltaic panels. Although photovoltaic waste heat can be recycled, the overall recovery efficiency is not high, the structure is too complicated and cumbersome, the cost of use is high, and it is inconvenient to make good use of and store the recovered waste heat.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: A photovoltaic waste heat recovery system, comprising a ceiling, a fixed steel frame for support, and a plurality of photovoltaic panels laid on the upper end of the ceiling; There are multiple groups of refrigerant heat exchange cabinets under the ceiling, and refrigerant heat exchange equipment is installed inside the refrigerant heat exchange cabinets. A base for support is provided at the lower end of the refrigerant heat exchange cabinets. It is characterized by further comprising: The waste heat recovery mechanism is composed of a hollow plate, a refrigerant heat exchange tube and a refrigerant heat exchange device. The hollow plate is arranged on the left and right sides of the lower end of the photovoltaic panel, and a plurality of groups of refrigerant heat exchange tubes are arranged in the middle of the hollow plate. The refrigerant heat exchange tubes are arranged at the lower end of the photovoltaic panel; A fixing mechanism, wherein the fixing mechanism is symmetrically arranged at the left and right ends of the photovoltaic panel, and the fixing mechanism is used to limit the position between the photovoltaic panel and the hollow plate; The installation mechanism is symmetrically arranged on the front and rear sides of the lower end of the refrigerant heat exchange cabinet, and the installation mechanism is used to limit the position between the base and the refrigerant heat exchange cabinet. The refrigerant heat exchange cabinet forms a disassembly structure at the upper end of the base through the installation mechanism.

[0006] Preferably, the ceiling is welded to the upper end of the fixed steel frame for support, and connecting pipes are inserted at both ends of the ceiling, the upper end of the connecting pipe is connected to the hollow plate, and the lower end of the connecting pipe is connected to the refrigerant heat exchange equipment.

[0007] Preferably, the fixing mechanism includes a fixing column in a "T"-shaped structure, a fixing plate for limiting, a fixing groove opened in the middle of the fixing plate, a fixing rod fixedly connected to the side of the fixing plate, an auxiliary plate for connection and a fixing cap with a locking function.

[0008] Preferably, the fixing column passes through the hollow plate and is threadedly connected to the photovoltaic panel, and at least one fixing column is connected to the left and right ends of the photovoltaic panel respectively, and the fixing column is snap-connected in the fixing groove, and the diameter of the fixing column is smaller than the opening size outside the fixing groove.

[0009] Preferably, the fixing plates are respectively fitted on the photovoltaic panel and the hollow plate, and the fixing plates together with the fixing rods are respectively plugged into the upper and lower ends of the auxiliary plate, the fixing rods are threadedly connected with the fixing caps, and the fixing caps are respectively fitted on the upper and lower ends of the auxiliary plate; The auxiliary plate and the photovoltaic plate as well as the auxiliary plate and the hollow plate are all fitted together.

[0010] Preferably, mounting columns for positioning are fixedly connected to the front and rear sides of the lower end of the refrigerant heat exchange cabinet, and the mounting columns are snap-connected in the mounting grooves, and the mounting grooves are provided in multiple groups on the front and rear sides of the base.

[0011] Preferably, the mounting mechanism includes mounting protrusions fixedly connected to the front and rear ends of the base, a mounting plate for connection, mounting rods fixedly connected to the left and right ends of the mounting plate, a movable plug plate inserted in the middle of the mounting protrusion and a fixing bolt for limiting.

[0012] Preferably, the mounting plates are respectively arranged on the front and rear sides of the base, and the mounting plates together with the mounting rods are snap-connected to the middle of the mounting posts.

[0013] Preferably, the mounting protrusion is arranged through the middle of the mounting plate, the movable plug plate is arranged at the front end of the mounting plate, and the movable plug plate is fixed to the mounting plate, and the fixing bolt passes through the movable plug plate and is threadedly connected to the mounting plate.

[0014] Preferably, the refrigerant heat exchange device is connected to heat pump one, heat pump one is connected to a water tank, the water tank is connected to heat pump two, and heat pump two is connected to a heat storage tank.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the photovoltaic waste heat recovery system, through the setting of the fixing mechanism, is convenient for installing the hollow plate and the refrigerant heat exchange tube at the lower end of the photovoltaic panel, and the waste heat of the photovoltaic panel can be recovered through the hollow plate, the refrigerant heat exchange tube, the connecting pipe and the refrigerant heat exchange equipment, and the recovered heat is used to preheat the electric thermal energy storage device, which not only recovers the waste heat, but also improves the photoelectric conversion efficiency; 1. A fixing mechanism is provided, which includes a fixing column, a fixing plate, a fixing groove, a fixing rod, an auxiliary plate and a fixing cap. Through the setting of the fixing mechanism, the hollow plate and the refrigerant heat exchange tube can be easily installed at the lower end of the photovoltaic panel, and the installation operation is very convenient; 2. A waste heat recovery mechanism is provided, which is composed of a hollow plate, a refrigerant heat exchange tube, a refrigerant heat exchange cabinet, a connecting pipe and a refrigerant heat exchange device. Through the setting of the waste heat recovery mechanism, the waste heat on the photovoltaic panel can be recovered to preheat the electric thermal energy storage device, which not only recovers the waste heat, but also improves the photoelectric conversion efficiency, and is highly practical; 3. A refrigerant heat exchange cabinet and an installation mechanism are provided. The refrigerant heat exchange mechanism is installed inside the refrigerant heat exchange cabinet. Combined with the setting of the installation mechanism, the installation mechanism includes a mounting protrusion, a mounting plate, a mounting rod, a movable plug plate and a fixing bolt. Through the setting of the installation mechanism, it is convenient to fix the refrigerant heat exchange cabinet on the upper end of the base, and the disassembly and assembly operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the waste heat recovery process structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 It is a schematic diagram of the overall structure of the photovoltaic panel and the hollow plate of the present invention; Figure 4 This is a schematic diagram of the overall structure of the photovoltaic panel, hollow plate and refrigerant heat exchange tube of the present invention when viewed from above; Figure 5 This is a schematic diagram of the photovoltaic panel and the refrigerant heat exchange tube structure from a bottom view of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle; Figure 7 This is a schematic diagram of the exploded structure of the photovoltaic panel, hollow plate and refrigerant heat exchange tube of the present invention; Figure 8 It is a schematic diagram of the exploded structure of the fixing column, fixing plate, fixing rod, auxiliary plate and fixing cap of the present invention; Fig. 9 This is a schematic diagram of the overall structure of the base and the refrigerant heat exchange cabinet of the present invention; Fig.10 It is a schematic diagram of the overall structure of the base, the refrigerant heat exchange cabinet, the mounting column, the mounting groove and the mounting protrusion of the present invention; Fig.11 For the present invention Fig. 9 The enlarged structural diagram at B in the middle; Fig.12 It is a schematic diagram of the exploded structure of the mounting protrusion, mounting plate, movable plug plate, fixing bolt and mounting column of the present invention.

[0017] In the figure: 1. ceiling; 2. fixed steel frame; 3. photovoltaic panel; 4. hollow plate; 5. refrigerant heat exchange tube; 6. fixing mechanism; 7. fixing column; 8. fixing plate; 9. fixing groove; 10. fixing rod; 11. auxiliary plate; 12. fixing cap; 13. base; 14. refrigerant heat exchange cabinet; 15. connecting pipe; 16. mounting column; 17. mounting groove; 18. mounting mechanism; 19. mounting bump; 20. mounting plate; 21. mounting rod; 22. movable plug plate; 23. fixing bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 12 , the present invention provides the following technical solutions: Embodiment 1: In order to solve the problems existing in the prior art, this embodiment adopts the following technical scheme: a photovoltaic waste heat recovery system is provided with a ceiling 1, a fixed steel frame 2, a photovoltaic panel 3, a base 13, a refrigerant heat exchange cabinet 14, a connecting pipe 15, a mounting column 16, a mounting groove 17 and a mounting mechanism 18. The ceiling 1 is welded to the upper end of the fixed steel frame 2 for support, and a plurality of photovoltaic panels 3 are laid on the upper end of the fixed steel frame 2. A plurality of bases 13 are arranged under the ceiling 1, and the bases 13 are cast on the ground. A plurality of refrigerant heat exchange cabinets 14 are arranged on the upper end of the base 13, and the base 13 is cast on the ground. The mounting mechanism 18 is symmetrically arranged on the front and rear sides of the lower end of the refrigerant heat exchange cabinet 14, and the mounting mechanism 18 is used to limit the position between the base 13 and the refrigerant heat exchange cabinet 14. The refrigerant heat exchange cabinet 14 forms a disassembly structure at the upper end of the base 13 through the mounting mechanism 18, and the front and rear sides of the lower end of the refrigerant heat exchange cabinet 14 are fixedly connected with mounting columns for positioning. 16, and the mounting column 16 is snap-connected in the mounting groove 17, and the mounting groove 17 is provided with multiple groups on the front and rear sides of the base 13, and the mounting mechanism 18 includes mounting protrusions 19 fixedly connected to the front and rear ends of the base 13, a mounting plate 20 for connection, a mounting rod 21 fixedly connected to the left and right ends of the mounting plate 20, a movable plug plate 22 plugged into the middle of the mounting protrusion 19, and a fixing bolt 23 for limiting the position, the mounting plate 20 is respectively fitted on the front and rear sides of the base 13, and the mounting plate 20 together with the mounting rod 21 is snap-connected to the middle of the mounting column 16, the middle of the mounting plate 20 is penetrated by the mounting protrusion 19, and the mounting plate 20 and the mounting protrusion 19 are limited by the movable plug plate 22 and the fixing bolt 23, the movable plug plate 22 is fitted on the front end of the mounting plate 20, the movable plug plate 22 and the mounting plate 20 are fixed by the fixing bolt 23, and the fixing bolt 23 passes through the movable plug plate 22 and is threadedly connected to the mounting plate 20, such as Figure 2 , Fig. 9 , Fig.10 , Fig.11 and Fig.12As shown, the refrigerant heat exchange cabinet 14 is placed in the base 13, and the refrigerant heat exchange cabinet 14 drives the mounting column 16 to be engaged and connected in the mounting groove 17, and then the mounting plate 20 is sleeved on the outer surface of the mounting protrusion 19, and at the same time, the mounting plate 20 drives the mounting rod 21 to be engaged and connected in the middle of the mounting column 16, and the mounting plates 20 are respectively fitted at the front and rear ends of the base 13, and then the movable plug plate 22 is penetrated and set in the middle of the mounting protrusion 19, and the movable plug plate 22 is fitted at the front end of the mounting plate 20, and then the fixing bolt 23 is rotated, and the fixing bolt 23 limits the movable plug plate 22 and the mounting plate 20 to prevent the mounting plate 20 from loosening from the mounting protrusion 19, thereby facilitating the fixed installation of the refrigerant heat exchange cabinet 14 on the base 13.

[0020] Embodiment 2: The existing photovoltaic waste heat recovery system is not convenient to stably install the equipment for recovering waste heat on the photovoltaic panel 3, so by setting the hollow plate 4, the refrigerant heat exchange tube 5 and the fixing mechanism 6, the fixing mechanism 6 is symmetrically arranged at the left and right ends of the photovoltaic panel 3, and the fixing mechanism 6 is used to limit the position between the photovoltaic panel 3 and the hollow plate 4, and the fixing mechanism 6 includes a fixing column 7 in a "T"-shaped structure, a fixing plate 8 for limiting position, a fixing groove 9 opened in the middle of the fixing plate 8, a fixing rod 10 fixedly connected to the side of the fixing plate 8, and an auxiliary plate 11 for connection and A fixing cap 12 with a locking function, a fixing column 7 passes through the hollow plate 4 and is threadedly connected to the photovoltaic panel 3, and at least one fixing column 7 is connected to the left and right ends of the photovoltaic panel 3, and the fixing column 7 is snap-connected in the fixing groove 9, and the diameter of the fixing column 7 is smaller than the opening size of the outer side of the fixing groove 9, and the fixing plate 8 is respectively fitted on the photovoltaic panel 3 and the hollow plate 4, and the fixing plate 8 together with the fixing rod 10 are respectively plugged into the upper and lower ends of the auxiliary plate 11, and the fixing rod 10 is threadedly connected to the fixing cap 12, and the fixing cap 12 is respectively fitted on the upper and lower ends of the auxiliary plate 11, such as Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the hollow plate 4 together with the refrigerant heat exchange tube 5 is placed at the lower end of the photovoltaic panel 3, and the refrigerant heat exchange tube 5 is fitted with the photovoltaic panel 3, and then the fixing column 7 is threadedly connected to the photovoltaic panel 3 and the hollow plate 4, and then the fixing plate 8 is sleeved on the outside of the fixing column 7, and the fixing plate 8 is fitted with the photovoltaic panel 3 and the hollow plate 4, and then the fixing plate 8 is moved so that the fixing column 7 is engaged in the smaller diameter of the fixing groove 9, and then the auxiliary plate 11 is sleeved on the outside of the fixing rod 10, and at the same time, the auxiliary plate 11 is fitted with the photovoltaic panel 3 and the hollow plate 4, and then the fixing cap 12 is rotated so that the fixing cap 12 and the auxiliary plate 11 are fitted. Through the setting of the fixing mechanism 6, the hollow plate 4 and the refrigerant heat exchange tube 5 can be installed on the lower end of the photovoltaic panel 3 very quickly, stably and conveniently.

[0021] Embodiment 3: Although the existing photovoltaic waste heat recovery system can recycle photovoltaic waste heat, the overall recovery efficiency is not high, the structure is too complicated and cumbersome, the use cost is high, and it is not convenient to make good use of and store the recovered waste heat. Therefore, a waste heat recovery mechanism is set up. The waste heat recovery mechanism consists of a hollow plate 4, a refrigerant heat exchange tube 5, a refrigerant heat exchange cabinet 14, a connecting pipe 15 and a refrigerant heat exchange device. The hollow plate 4 is arranged on the left and right sides of the lower end of the photovoltaic panel 3, and a plurality of groups of refrigerant heat exchange tubes 5 are arranged in the middle of the hollow plate 4. The refrigerant heat exchange tube 5 is fitted at the lower end of the photovoltaic panel 3. The left and right ends of the ceiling 1 are plugged with connecting pipes 15. The upper end of the connecting pipe 15 is connected to the hollow plate 4, and the lower end of the connecting pipe 15 is connected to the refrigerant heat exchange device, such as Figure 1 and Figure 2 As shown, the hollow plate 4 is connected to the refrigerant heat exchange device installed inside the refrigerant heat exchange cabinet 14 through the refrigerant heat exchange tube 5 and the connecting pipe 15. The refrigerant heat exchange device in this scheme belongs to the existing mature technology and is well known to those skilled in the art, so it is not elaborated here. Refrigerant medium flows inside the hollow plate 4, which can absorb and transmit the heat on the photovoltaic panel 3. The recovered heat is heated by heat pump 1 and sent to the water tank. The water tank is preheated to 50℃-70℃, and then heated by heat pump 2 and sent to the heat storage tank for storage and recovery. The overall efficiency of heat recovery and utilization on the photovoltaic panel 3 is high, and the heat can be recovered for preheating the electric thermal energy storage device. Photovoltaic power generation and electric thermal energy storage are two independent energy utilization devices, which not only recover waste heat but also improve the photoelectric conversion efficiency.

[0022] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A photovoltaic waste heat recovery system, comprising a roof (1), a fixed steel frame (2) for supporting, and a plurality of photovoltaic panels (3) laid on the upper end of the roof (1); in, A plurality of groups of refrigerant heat exchange cabinets (14) are arranged below the ceiling (1), and refrigerant heat exchange equipment is installed inside the refrigerant heat exchange cabinets (14). A base (13) for support is arranged at the lower end of the refrigerant heat exchange cabinets (14); It is characterized by further comprising: A waste heat recovery mechanism, the waste heat recovery mechanism is composed of a hollow plate (4), a refrigerant heat exchange tube (5) and a refrigerant heat exchange device, the hollow plate (4) is arranged on the left and right sides of the lower end of the photovoltaic panel (3), and a plurality of groups of refrigerant heat exchange tubes (5) are arranged in the middle of the hollow plate (4), and the refrigerant heat exchange tubes (5) are arranged in close contact with the lower end of the photovoltaic panel (3); A fixing mechanism (6), wherein the fixing mechanism (6) is symmetrically arranged at the left and right ends of the photovoltaic panel (3), and the fixing mechanism (6) is used to limit the position between the photovoltaic panel (3) and the hollow plate (4); The mounting mechanism (18) is symmetrically arranged at the front and rear sides of the lower end of the refrigerant heat exchange cabinet (14), and the mounting mechanism (18) is used to limit the position between the base (13) and the refrigerant heat exchange cabinet (14). The refrigerant heat exchange cabinet (14) forms a disassembly structure at the upper end of the base (13) through the mounting mechanism (18).

2. A photovoltaic waste heat recovery system according to claim 1, characterized in that: The ceiling (1) is welded to the upper end of a fixed steel frame (2) for support, and connecting pipes (15) are inserted at both left and right ends of the ceiling (1), the upper end of the connecting pipe (15) is connected to the hollow plate (4), and the lower end of the connecting pipe (15) is connected to the refrigerant heat exchange equipment.

3. A photovoltaic waste heat recovery system according to claim 1, characterized in that: The fixing mechanism (6) comprises a fixing column (7) in a T-shaped structure, a fixing plate (8) for limiting position, a fixing groove (9) provided in the middle of the fixing plate (8), a fixing rod (10) fixedly connected to the side of the fixing plate (8), an auxiliary plate (11) for connection, and a fixing cap (12) having a locking function.

4. A photovoltaic waste heat recovery system according to claim 3, characterized in that: The fixing column (7) passes through the hollow plate (4) and is threadedly connected to the photovoltaic panel (3), and at least one fixing column (7) is respectively connected to the left and right ends of the photovoltaic panel (3), and the fixing column (7) is snap-connected in the fixing groove (9), and the diameter of the fixing column (7) is smaller than the opening size of the outer side of the fixing groove (9).

5. The photovoltaic waste heat recovery system according to claim 3, characterized in that: The fixing plate (8) is respectively fitted on the photovoltaic panel (3) and the hollow plate (4), and the fixing plate (8) together with the fixing rod (10) are respectively plugged into the upper and lower ends of the auxiliary plate (11), the fixing rod (10) is threadedly connected to the fixing cap (12), and the fixing cap (12) is respectively fitted on the upper and lower ends of the auxiliary plate (11); The auxiliary plate (11) and the photovoltaic plate (3) as well as the auxiliary plate (11) and the hollow plate (4) are all fitted together.

6. A photovoltaic waste heat recovery system according to claim 1, characterized in that: The front and rear sides of the lower end of the refrigerant heat exchange cabinet (14) are fixedly connected with mounting columns (16) for positioning, and the mounting columns (16) are snap-fitted into mounting grooves (17). The mounting grooves (17) are provided in multiple groups on the front and rear sides of the base (13).

7. The photovoltaic waste heat recovery system according to claim 1, characterized in that: The mounting mechanism (18) comprises mounting protrusions (19) fixedly connected to the front and rear ends of the base (13), a mounting plate (20) for connection, mounting rods (21) fixedly connected to the left and right ends of the mounting plate (20), a movable plug plate (22) plugged into the middle of the mounting protrusion (19), and a fixing bolt (23) for limiting position.

8. A photovoltaic waste heat recovery system according to claim 7, characterized in that: The mounting plates (20) are respectively arranged on the front and rear sides of the base (13), and the mounting plates (20) together with the mounting rods (21) are snap-connected to the middle of the mounting posts (16).

9. A photovoltaic waste heat recovery system according to claim 8, characterized in that: The mounting protrusion (19) is arranged through the middle of the mounting plate (20), the movable plug plate (22) is arranged in close contact with the front end of the mounting plate (20), and the movable plug plate (22) and the mounting plate (20) are fixed by a fixing bolt (23) between them, and the fixing bolt (23) passes through the movable plug plate (22) and is threadedly connected to the mounting plate (20).

10. The photovoltaic waste heat recovery system according to claim 1, characterized in that: The refrigerant heat exchange device is connected to heat pump one, heat pump one is connected to a water tank, the water tank is connected to heat pump two, and heat pump two is connected to a heat storage tank.

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