A distributed photovoltaic power generation energy storage system

Abstract

The invention discloses an energy storage system for distributed photovoltaic power generation, and relates to the technical field of photovoltaic power generation and energy storage. The system comprises an energy storage box, wherein battery modules are arranged in an array inside the energy storage box, and a battery management system is arranged inside the energy storage box; a power grid control box is arranged outside the energy storage box, and the power grid control box is connected to a photovoltaic module through a wire, and a heat dissipation mechanism is arranged at one end of the energy storage box; a dehumidification mechanism is arranged between the battery modules arranged in the array, and a replacement heating mechanism is arranged outside the energy storage box; an auxiliary cooling mechanism is arranged inside the energy storage box for detecting the temperature of the battery module and assisting in heat dissipation; the photovoltaic module comprises a photovoltaic base, a rotating shaft is rotatably mounted on the photovoltaic base, a photovoltaic mounting frame is slidably mounted on the rotating shaft, and an air blowing mechanism is arranged on the rotating shaft for driving and releasing airflow; the invention can clean and maintain the photovoltaic power generation module, and the cleaning method is diverse; the energy storage module can be effectively dehumidified and maintained to reduce manual labor.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic power generation and energy storage, and in particular to an energy storage system for distributed photovoltaic power generation. Background Art

[0002] Photovoltaic power generation and energy storage system is a comprehensive energy system that combines photovoltaic power generation and energy storage technology. Its basic principle is to use solar photovoltaic panels to convert sunlight into electrical energy, and store the generated electrical energy in batteries or other energy storage devices for use when there is insufficient sunlight or during peak electricity demand. This system plays an important role in optimizing energy utilization, improving power stability, and saving energy and reducing emissions. Photovoltaic power generation energy storage systems generally include photovoltaic power generation modules and energy storage modules. The energy storage module is generally an energy storage battery for electrical energy storage, and the operating environment is generally outdoors, which is a relatively complex environment. For photovoltaic power generation modules, the cleanliness of the photovoltaic panel surface will affect the photoelectric conversion efficiency, so regular maintenance and cleaning are required; for energy storage modules, regular maintenance is required, such as dehumidification, waterproofing, etc.; the existing photovoltaic power generation energy storage system has a relatively single function, and no effective technical measures have been proposed in terms of maintenance. Based on this, the present invention proposes a photovoltaic power generation energy storage system, which can clean and maintain photovoltaic power generation modules, and the cleaning methods are diverse; the energy storage module can be effectively dehumidified and maintained to reduce manual labor. Summary of the invention

[0003] In view of the above technical problems, the present invention can clean and maintain the photovoltaic power generation module in various cleaning methods; it can effectively dehumidify and maintain the energy storage module to reduce manual labor.

[0004] The scheme used in the present invention is: a distributed photovoltaic power generation energy storage system, including an energy storage box, wherein battery modules are arranged in an array inside the energy storage box, and a battery management system is arranged inside the energy storage box; a power grid control box is arranged outside the energy storage box, and the power grid control box is connected to the photovoltaic module through a wire, and a heat dissipation mechanism is arranged at one end of the energy storage box; a dehumidification mechanism is arranged between the battery modules arranged in an array, and a replacement heating mechanism is arranged outside the energy storage box; the dehumidification mechanism includes a dehumidification transport belt arranged inside the energy storage box, and a magnetic suction transport seat is arranged in an array on the dehumidification transport belt, and the magnetic suction transport seat is magnetically matched with a placement rack, and a desiccant is placed on the placement rack; the replacement heating mechanism includes a drying box arranged on the side of the energy storage box, and a transfer The belt is provided with a magnetic fixing seat in an array on the transfer belt for magnetically fixing the placement rack; an auxiliary cooling mechanism is provided inside the energy storage box, and the auxiliary cooling mechanism includes a detection box which is slidably arranged inside the energy storage box and located above the battery module, a cooling surrounding pipeline is arranged around the inside of the detection box, and a temperature detector is arranged at the top of the detection box for detecting the temperature of the battery module; the photovoltaic module includes a photovoltaic base, a rotating shaft is rotatably installed on the photovoltaic base, a photovoltaic mounting frame is slidably arranged on the rotating shaft, photovoltaic panels are arranged on the photovoltaic mounting frame, an airflow box is arranged on the side of the photovoltaic mounting frame, and an air blowing mechanism is arranged on the rotating shaft for driving the airflow box to release airflow; a cleaning mechanism is arranged on the photovoltaic base for performing cleaning and maintenance operations.

[0005] Furthermore, the heat dissipation mechanism includes a heat dissipation fan arranged at one end of the energy storage box, and an air inlet box and an air outlet box arranged at one end inside the energy storage box. A heat dissipation pipe is connected between the air inlet box and the air outlet box. The air inlet box is used for air intake, and the air outlet box is used for air outlet. A filter box is provided at the air inlet end of the air inlet box for filtering dust.

[0006] Furthermore, the dehumidification mechanism includes a baffle electric cylinder arranged on the side of the energy storage box, a baffle is arranged on the telescopic rod of the baffle electric cylinder, and a slot is opened on the side of the energy storage box for transmitting the transfer rack.

[0007] Furthermore, the placement rack is composed of a placement base and a limiting rack. The bottom of the placement base is magnetically fixed by a magnetic transport seat. The top of the limiting rack is provided with a magnetic hole, and the magnetic hole is magnetically fixed by replacing the magnetic fixing seat on the heating mechanism.

[0008] Furthermore, the replacement heating mechanism includes a transfer control electric cylinder arranged inside the drying box, a transfer frame is arranged on the telescopic rod of the transfer control electric cylinder, a transfer belt is arranged on the transfer frame, and a transfer motor for driving the transfer belt is arranged on the transfer frame.

[0009] Furthermore, the auxiliary cooling mechanism includes a positioning belt and a motor 1 arranged inside the energy storage box, the positioning belt is driven by the motor 1, a fixed seat is attached to the positioning belt, a screw rod 2 and a motor 2 are arranged on the fixed seat, and the screw rod 2 is driven by the motor 2; a movable seat is arranged on the screw rod 2 in connection with a spiral pair, and a control electric cylinder is arranged on the movable seat, and the control electric cylinder is used to control the movement of the detection box; the auxiliary cooling mechanism also includes two cooling circulation boxes arranged inside the energy storage box, and the two cooling circulation boxes are respectively connected to the two ends of the cooling surround pipeline to form a circulation passage.

[0010] Furthermore, the photovoltaic module includes a pushing electric cylinder arranged on the rotating shaft, and a slide seat slidably arranged on the rotating shaft, and the slide seat is fixedly connected to the photovoltaic mounting frame; the pushing electric cylinder is used to push the slide seat, a spring is connected between the slide seat and the end of the rotating shaft, and an air inflation mechanism is arranged between the slide seat and the rotating shaft; a mounting bracket is arranged at one end of the rotating shaft, an angle motor is arranged on the mounting bracket, an angle gear is arranged on the output shaft of the angle motor, and a gear ring is arranged at one end of the photovoltaic base, and the gear ring is meshed with the angle gear; a fixed disk is arranged at the other end of the rotating shaft, an array of fixing holes is opened on the fixing disk, and a fixed electric cylinder is arranged at one end of the photovoltaic base, and the telescopic rod of the fixed electric cylinder cooperates with the fixing holes on the fixed disk to fix the rotating shaft.

[0011] Furthermore, the inflation mechanism includes a piston push plate arranged on a slide seat, and a piston cylinder arranged on a rotating shaft, the piston cylinder and the piston push plate are slidably matched, and the air outlet end of the piston cylinder is connected to the air flow box through a transmission pipe.

[0012] Furthermore, the cleaning mechanism includes a moving belt arranged on the photovoltaic base, a cleaning control electric cylinder is attached to the moving belt, a cleaning mounting seat is arranged on the telescopic rod of the cleaning control electric cylinder, a motor three and a screw three are arranged on the cleaning mounting seat, the screw three is driven by the motor three, a cleaning slide is slidably installed on the cleaning mounting seat, a cleaning motor is arranged on the cleaning slide, and a cleaning part is arranged on the output shaft of the cleaning motor; a covering electric cylinder is arranged at one end of the photovoltaic base, and a covering box is arranged on the telescopic rod of the covering electric cylinder for covering the top of the cleaning mounting seat.

[0013] Compared with the prior art, the present invention has the following advantages: (1) the rotating shaft can be flipped, that is, the angle of the photovoltaic panel can be adjusted, that is, the angle can be adjusted according to the light intensity; the telescopic rod of the fixed electric cylinder can cooperate with the fixed hole on the fixed plate to fix the rotating shaft and achieve a stable state; (2) the sliding seat can be pushed by pushing the electric cylinder, that is, the sliding seat moves back and forth, that is, the photovoltaic mounting frame moves back and forth, and then the dust particles can be vibrated and shaken off. Furthermore, when the sliding seat slides, the piston push plate slides and cooperates in the piston cylinder, and the generated flow airflow is transmitted from the transmission pipe to the airflow box, and finally released through the airflow box, so that the dust particles accumulated on the photovoltaic panel can be blown away; (3) after a long period of operation, if there are impurity particles that are difficult to remove accumulated on the photovoltaic panel, the rotating shaft can be controlled to flip so that the photovoltaic panel faces the photovoltaic base, and the cleaning control electric cylinder can be controlled to move by moving the belt, and the cleaning control electric cylinder controls the lifting of the cleaning mounting seat, the cleaning motor works, the cleaning part performs a cleaning operation, the motor works, and the screw rotates to adjust the position of the cleaning slide seat; Furthermore, when the cleaning section is not in operation, at one end of the moving belt, a covering box is controlled by a covering electric cylinder to cover the top of the cleaning mounting seat to play a shielding and protective role; (4) For each battery module, it can be transferred to the top of it through the detection box for local detection, that is, the temperature detector detects the temperature of each battery module, and auxiliary cooling can be performed for the battery module with a temperature higher than the normal state; that is, the coolant is circulated and transmitted through two cooling circulation boxes, and the coolant is transmitted around the outside of the battery module through the cooling surround pipeline to take away the heat and play an auxiliary heat dissipation and cooling role; (5) After the desiccant is used for a certain period of time, the dehumidification transport belt transfers the limit frame to the slot on the side of the energy storage box one by one, and then the transfer control electric cylinder controls the movement of the transfer frame, the transfer motor controls the movement of the transfer belt, and the magnetic suction fixing seat cooperates with the magnetic suction hole on the top of the limit frame to transfer and detach the placement base from the placement base. In the drying box, the used desiccant can be dried, and then the desiccant is transferred and placed in the energy storage box again. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the internal structure of the energy storage box of the present invention.

[0016] Figure 3 It is a schematic diagram of the overall structure of the present invention from another angle.

[0017] Figure 4 This is a schematic diagram of the battery module installation structure of the present invention.

[0018] Figure 5 It is a schematic diagram of the structure of the auxiliary cooling mechanism of the present invention.

[0019] Figure 6 It is a schematic diagram of the structure of the detection box of the present invention.

[0020] Figure 7 It is a schematic diagram of the internal structure of the detection box of the present invention.

[0021] Figure 8 This is a schematic diagram of the end structure of the photovoltaic base of the present invention.

[0022] Fig. 9 It is a schematic diagram of the installation structure of the end of the rotating shaft of the present invention.

[0023] Fig.10 It is a schematic diagram of the bottom structure of the photovoltaic mounting rack of the present invention.

[0024] Fig.11 This is a schematic diagram of the photovoltaic base installation structure of the present invention.

[0025] Fig.12 It is a schematic diagram of the structure of the cleaning mechanism of the present invention.

[0026] Fig.13 For the present invention Figure 2 A is an enlarged schematic diagram of the area marked in the middle.

[0027] Fig.14 This is a schematic diagram of the structure of the heating mechanism replacement according to the present invention.

[0028] Fig.15 It is a schematic diagram of the structure of the dehumidification mechanism of the present invention.

[0029] Fig.16 It is a schematic diagram of the installation structure of the placement rack of the present invention.

[0030] Figure numerals: 1-energy storage box; 2-drying box; 3-cooling fan; 4-photovoltaic base; 5-filter box; 6-air inlet box; 7-heat dissipation pipe; 8-air outlet box; 9-battery module; 10-moving belt; 11-photovoltaic mounting frame; 12-photovoltaic panel; 13-battery management system; 14-grid control box; 15-position belt; 16-motor one; 17-cooling circulation box; 18-screw rod two; 19-motor two; 20-fixed seat; 21-movable seat; 22-control electric cylinder; 23-detection box; 24-temperature detector; 25-cooling surround pipeline; 26-gear ring; 27-angle motor; 28-angle gear; 29-mounting bracket; 30-rotating shaft; 31 -air flow box; 32-pushing electric cylinder; 33-slide seat; 34-spring; 35-piston cylinder; 36-piston push plate; 37-transmission tube; 38-covering electric cylinder; 39-covering box; 40-clearing control electric cylinder; 41-clearing mounting seat; 42-motor three; 43-screw rod three; 44-clearing slide seat; 45-clearing motor; 46-clearing part; 47-fixing electric cylinder; 48-fixing plate; 49-transfer rack; 50-transfer motor; 51-transfer belt; 52-magnetic fixing seat; 53-transfer control electric cylinder; 54-baffle electric cylinder; 55-baffle; 56-dehumidification transport belt; 57-magnetic transport seat; 58-placing base; 59-limiting rack; 60-desiccant. DETAILED DESCRIPTION

[0031] The present invention will be specifically described below in conjunction with the accompanying drawings: Figures 1 to 16 As shown, the energy storage box 1 has battery modules 9 arranged in an array inside, and a battery management system 13 is provided inside the energy storage box 1; a power grid control box 14 is provided outside the energy storage box 1, and the power grid control box 14 is connected to the photovoltaic module through a wire, and a heat dissipation mechanism is provided at one end of the energy storage box 1; the heat dissipation mechanism includes a heat dissipation fan 3 provided at one end of the energy storage box 1, and an air inlet box 6 and an air outlet box 8 provided at one end inside the energy storage box 1, a heat dissipation pipe 7 is connected between the air inlet box 6 and the air outlet box 8, the air inlet box 6 is used for air intake, and the air outlet box 8 is used for air outlet, and a filter box 5 is provided at the air inlet end of the air inlet box 6 for dust filtering.

[0032] A dehumidification mechanism is provided between the battery modules 9 arranged in an array, and a replacement heating mechanism is provided on the outside of the energy storage box 1; the dehumidification mechanism includes a dehumidification transport belt 56 provided inside the energy storage box 1, and a magnetic transport seat 57 is arranged in an array on the dehumidification transport belt 56, and a placement rack is magnetically matched on the magnetic transport seat 57, and a desiccant 60 is placed on the placement rack; the replacement heating mechanism includes a drying box 2 provided on the side of the energy storage box 1, and a transfer belt 51 is provided inside the drying box 2, and a magnetic fixing seat 52 is arranged in an array on the transfer belt 51 for magnetically fixing the placement rack; the dehumidification mechanism includes a baffle electric cylinder 54 provided on the side of the energy storage box 1, and the baffle electric cylinder A baffle 55 is provided on the telescopic rod 54, and a slot is provided on the side of the energy storage box 1 for transmitting the transfer placement rack; the placement rack is composed of a placement base 58 and a limit frame 59, the bottom of the placement base 58 is magnetically fixed by a magnetic transport seat 57, and the top of the limit frame 59 is provided with a magnetic hole, and the magnetic hole is magnetically fixed by replacing the magnetic fixing seat 52 on the heating mechanism; the replacement heating mechanism includes a transfer control electric cylinder 53 arranged inside the drying box 2, and a transfer rack 49 is arranged on the telescopic rod of the transfer control electric cylinder 53, a transfer belt 51 is arranged on the transfer rack 49, and a transfer motor 50 for driving the transfer belt 51 is arranged on the transfer rack 49.

[0033] An auxiliary cooling mechanism is arranged inside the energy storage box 1, and the auxiliary cooling mechanism includes a detection box 23 which is slidably arranged inside the energy storage box 1 and located above the battery module 9, a cooling surrounding pipeline 25 is arranged around the inner side of the detection box 23, and a temperature detector 24 is arranged at the top of the detection box 23 for detecting the temperature of the battery module 9; the auxiliary cooling mechanism includes a position belt 15 and a motor 16 arranged inside the energy storage box 1, the position belt 15 is driven by the motor 16, a fixed seat 20 is attached to the position belt 15, a screw rod 2 18 and a motor 2 19 are arranged on the fixed seat 20, and the screw rod 2 18 is driven by the motor 2 19; a moving seat 21 is connected to the screw rod 2 18 by a spiral pair, and a control electric cylinder 22 is arranged on the moving seat 21, and the control electric cylinder 22 is used to control the movement of the detection box 23; the auxiliary cooling mechanism also includes two cooling circulation boxes 17 arranged inside the energy storage box 1, and the two cooling circulation boxes 17 are respectively connected to the two ends of the cooling surrounding pipeline 25 to form a circulation passage.

[0034] The photovoltaic module includes a photovoltaic base 4, on which a rotating shaft 30 is rotatably mounted, on which a photovoltaic mounting frame 11 is slidably mounted, on which a photovoltaic panel 12 is arranged, and on which an airflow box 31 is arranged on the side of the photovoltaic mounting frame 11, and on which an air blowing mechanism is arranged on the rotating shaft 30, for driving the airflow box 31 to release airflow; a cleaning mechanism is arranged on the photovoltaic base 4 for performing cleaning and maintenance operations; the photovoltaic module includes a pushing electric cylinder 32 arranged on the rotating shaft 30, and a sliding seat 33 slidably arranged on the rotating shaft 30, The slide 33 is fixedly connected to the photovoltaic mounting frame 11; the push electric cylinder 32 is used to push the slide 33, and a spring 34 is connected between the slide 33 and the end of the rotating shaft 30, and the air blowing mechanism is arranged between the slide 33 and the rotating shaft 30; a mounting bracket 29 is arranged at one end of the rotating shaft 30, and an angle motor 27 is arranged on the mounting bracket 29, and an angle gear 28 is arranged on the output shaft of the angle motor 27, and a gear ring 26 is arranged at one end of the photovoltaic base 4, and the gear ring 26 is meshed with the angle gear 28; a fixed plate 48 is arranged at the other end of the rotating shaft 30, and the fixed plate 4 The photovoltaic base 4 is provided with a fixing hole on the array 8, and a fixing electric cylinder 47 is provided at one end of the photovoltaic base 4, and the telescopic rod of the fixing electric cylinder 47 cooperates with the fixing hole on the fixing plate 48 to fix the rotating shaft 30; the air blowing mechanism includes a piston push plate 36 arranged on the slide seat 33, and a piston cylinder 35 arranged on the rotating shaft 30, the piston cylinder 35 and the piston push plate 36 are slidably matched, and the air outlet end of the piston cylinder 35 is connected to the air flow box 31 through a transmission pipe 37; the cleaning mechanism includes a moving belt 10 arranged on the photovoltaic base 4, and a cleaning In addition to the control electric cylinder 40, a cleaning mounting seat 41 is provided on the telescopic rod of the cleaning control electric cylinder 40, a motor 3 42 and a screw 3 43 are provided on the cleaning mounting seat 41, the screw 3 43 is driven by the motor 3 42, a cleaning slide 44 is slidably installed on the cleaning mounting seat 41, a cleaning motor 45 is provided on the cleaning slide 44, and a cleaning part 46 is provided on the output shaft of the cleaning motor 45; a covering electric cylinder 38 is provided at one end of the photovoltaic base 4, and a covering box 39 is provided on the telescopic rod of the covering electric cylinder 38, which is used to cover the top of the cleaning mounting seat 41.

[0035] The principles of the present invention are as follows: photovoltaic panels 12 are arranged in an array on the photovoltaic mounting frame 11. The angle motor 27 can be used to flip the rotating shaft 30, that is, to adjust the angle of the photovoltaic panel 12, that is, to adjust the angle according to the light intensity; the telescopic rod of the fixed electric cylinder 47 can cooperate with the fixed hole on the fixed plate 48 to fix the rotating shaft 30; since outdoor operations are common, dust particles are easily accumulated on the photovoltaic panel 12; the present embodiment can perform dust removal and cleaning operations in different ways. Specifically, the sliding seat 33 can be pushed by pushing the electric cylinder 32, that is, the sliding seat 33 moves back and forth, that is, the photovoltaic mounting frame 11 moves back and forth, and then the dust particles can be vibrated and shaken off. Furthermore, when the sliding seat 33 slides, the piston push plate 36 slides in the piston cylinder 35, and the generated flow airflow is transmitted from the transmission pipe 37 to the airflow box 31, and finally released through the airflow box 31, so that the dust particles accumulated on the photovoltaic panel 12 can be blown.

[0036] The above cleaning operation is a daily short-cycle cleaning treatment. After a long-cycle operation, impurity particles that are difficult to remove are accumulated on the photovoltaic panel 12. The rotating shaft 30 can be controlled to flip so that the photovoltaic panel 12 faces the photovoltaic base 4, and the moving belt 10 is operated. The cleaning control electric cylinder 40 moves, and the cleaning control electric cylinder 40 controls the lifting and lowering of the cleaning mounting seat 41, the cleaning motor 45 works, the cleaning part 46 performs a cleaning operation, the motor three 42 works, and the screw three 43 rotates to adjust the position of the cleaning slide 44; further, when the cleaning part 46 is not operating, at one end of the moving belt 10, the covering box 39 is controlled by the covering electric cylinder 38 to cover the top of the cleaning mounting seat 41 to play a shielding and protective role.

[0037] For energy storage operation, electric energy is stored through the battery module 9; air flow transmission can be carried out through the heat dissipation fan 3, that is, the external air flow is transmitted to the inside of the energy storage box 1, and then filtered through the filter box 5, and then through the air inlet box 6, the heat dissipation pipe 7 and the air outlet box 8, to realize the circulation transmission of the air flow, and then take away the internal heat of the energy storage box 1 to dissipate heat for the battery module 9; further, the motor 16 can be operated, the position belt 15 drives the fixed seat 20 to move, the motor 2 19 works, and the screw 2 18 rotates to adjust the position of the movable seat 21, and the control electric cylinder 22 can control the lifting and lowering of the detection box 23, that is, for each battery module 9, it can be transferred to the top of it through the detection box 23 for local detection, that is, the temperature detector 24 detects the temperature of each battery module 9, and the battery module 9 with a temperature higher than the normal state can be auxiliary cooled; that is, the coolant is circulated and transmitted through the two cooling circulation boxes 17, and the coolant is transmitted around the outside of the battery module 9 through the cooling surrounding pipeline 25 to take away the heat, so as to play an auxiliary heat dissipation and cooling role.

[0038] Furthermore, for dehumidification inside the energy storage box 1, the desiccant 60 can be placed in the limiting frame 59, and the desiccant 60 can be transported to the inside of the energy storage box 1 by the dehumidification transport belt 56 for dehumidification. The placement base 58 and the magnetic transport seat 57 are magnetically fixed, which is convenient for taking and placing. After a certain period of use, the dehumidification transport belt 56 transfers the limiting frames 59 to the slots on the side of the energy storage box 1 one by one, and then the transfer control electric cylinder 53 controls the movement of the transfer frame 49, the transfer motor 50 controls the movement of the transfer belt 51, and the magnetic fixing seat 52 cooperates with the magnetic hole on the top of the limiting frame 59 to transfer the placement base 58 from the placement base 58. In the drying box 2, the used desiccant 60 can be dried, and then the desiccant 60 can be transferred and placed in the energy storage box 1 again. During the transfer, the baffle electric cylinder 54 controls the movement of the baffle 55 to control the blocking state of the side of the energy storage box 1.

Claims

1. A distributed photovoltaic power generation energy storage system, comprising an energy storage box (1), wherein a battery module (9) is arranged in an array inside the energy storage box (1), and a battery management system (13) is provided inside the energy storage box (1); a power grid control box (14) is provided outside the energy storage box (1), and the power grid control box (14) is connected to the photovoltaic module via a wire; and a heat dissipation mechanism is provided at one end of the energy storage box (1); the characteristics are: A dehumidification mechanism is provided between the battery modules (9) arranged in an array, and a replacement heating mechanism is provided outside the energy storage box (1); the dehumidification mechanism comprises a dehumidification transport belt (56) arranged inside the energy storage box (1), a magnetic transport seat (57) arranged in an array on the dehumidification transport belt (56), a placement rack magnetically matched on the magnetic transport seat (57), and a desiccant (60) placed on the placement rack; the replacement heating mechanism comprises a drying box (2) arranged on the side of the energy storage box (1), a transfer belt (51) is provided inside the drying box (2), and a magnetic fixing seat (52) is arranged in an array on the transfer belt (51) for magnetically fixing the placement rack; an auxiliary cooling mechanism is provided inside the energy storage box (1), and the auxiliary cooling mechanism comprises a sliding member arranged on the energy storage box (1) A detection box (23) is disposed inside and above the battery module (9), a cooling surrounding pipeline (25) is disposed around the inner side of the detection box (23), and a temperature detector (24) is disposed at the top of the detection box (23) for detecting the temperature of the battery module (9); the photovoltaic module comprises a photovoltaic base (4), a rotating shaft (30) is rotatably mounted on the photovoltaic base (4), a photovoltaic mounting frame (11) is slidably disposed on the rotating shaft (30), a photovoltaic panel (12) is arranged on the photovoltaic mounting frame (11), an airflow box (31) is disposed on the side of the photovoltaic mounting frame (11), and an air blowing mechanism is disposed on the rotating shaft (30) for driving the airflow box (31) to release airflow; and a cleaning mechanism is disposed on the photovoltaic base (4) for performing cleaning maintenance operations.

2. A distributed photovoltaic power generation energy storage system according to claim 1, characterized in that: The heat dissipation mechanism comprises a heat dissipation fan (3) arranged at one end of the energy storage box (1), and an air inlet box (6) and an air outlet box (8) arranged at one end inside the energy storage box (1); a heat dissipation pipe (7) is connected between the air inlet box (6) and the air outlet box (8); the air inlet box (6) is used for air intake, and the air outlet box (8) is used for air outlet; a filter box (5) is provided at the air inlet end of the air inlet box (6) for filtering dust.

3. A distributed photovoltaic power generation energy storage system according to claim 1, characterized in that: The dehumidification mechanism comprises a baffle electric cylinder (54) arranged on the side of the energy storage box (1), a baffle (55) being arranged on the telescopic rod of the baffle electric cylinder (54), and a slot is provided on the side of the energy storage box (1) for transmitting the transfer rack.

4. A distributed photovoltaic power generation energy storage system according to claim 3, characterized in that: The placement rack is composed of a placement base (58) and a limiting rack (59); the bottom of the placement base (58) is magnetically fixed by a magnetic transport seat (57); the top of the limiting rack (59) is provided with a magnetic hole, and the magnetic hole is magnetically fixed by replacing the magnetic fixing seat (52) on the heating mechanism.

5. A distributed photovoltaic power generation energy storage system according to claim 4, characterized in that: The replacement heating mechanism comprises a transfer control electric cylinder (53) arranged inside the drying box (2); a transfer frame (49) is arranged on a telescopic rod of the transfer control electric cylinder (53); a transfer belt (51) is arranged on the transfer frame (49); and a transfer motor (50) for driving the transfer belt (51) is arranged on the transfer frame (49).

6. A distributed photovoltaic power generation energy storage system according to claim 1, characterized in that: The auxiliary cooling mechanism comprises a positioning belt (15) and a motor (16) arranged inside the energy storage box (1), the positioning belt (15) being driven by the motor (16), a fixing seat (20) being attached to the positioning belt (15), a screw rod (18) and a motor (19) being arranged on the fixing seat (20), and the screw rod (18) being driven by the motor (19); a moving seat (21) being arranged on the screw rod (18) via a spiral pair, a control electric cylinder (22) being arranged on the moving seat (21), and the control electric cylinder (22) being used to control the movement of the detection box (23); the auxiliary cooling mechanism also comprises two cooling circulation boxes (17) arranged inside the energy storage box (1), the two cooling circulation boxes (17) being respectively connected to two ends of a cooling surrounding pipeline (25) to form a circulation passage.

7. A distributed photovoltaic power generation energy storage system according to claim 1, characterized in that: The photovoltaic module comprises a driving electric cylinder (32) arranged on a rotating shaft (30), and a slide seat (33) slidably arranged on the rotating shaft (30), the slide seat (33) being fixedly connected to the photovoltaic mounting frame (11); the driving electric cylinder (32) is used to drive the slide seat (33), a spring (34) is connected between the slide seat (33) and the end of the rotating shaft (30), and an air blowing mechanism is arranged between the slide seat (33) and the rotating shaft (30); a mounting bracket (29) is arranged at one end of the rotating shaft (30), and a spring (34) is arranged on the mounting bracket (29) An angle motor (27) is arranged, an angle gear (28) is arranged on the output shaft of the angle motor (27), and a gear ring (26) is arranged at one end of the photovoltaic base (4), the gear ring (26) meshing with the angle gear (28); a fixing plate (48) is arranged at the other end of the rotating shaft (30), an array of fixing holes is opened on the fixing plate (48), and a fixing electric cylinder (47) is arranged at one end of the photovoltaic base (4), and a telescopic rod of the fixing electric cylinder (47) cooperates with the fixing hole on the fixing plate (48) to fix the rotating shaft (30).

8. A distributed photovoltaic power generation energy storage system according to claim 7, characterized in that: The air blowing mechanism comprises a piston push plate (36) arranged on a slide seat (33), and a piston cylinder (35) arranged on a rotating shaft (30); the piston cylinder (35) and the piston push plate (36) are slidably matched, and the air outlet end of the piston cylinder (35) is connected to the air flow box (31) via a transmission pipe (37).

9. A distributed photovoltaic power generation energy storage system according to claim 1, characterized in that: The cleaning mechanism comprises a moving belt (10) arranged on a photovoltaic base (4), a cleaning control electric cylinder (40) being attached to the moving belt (10), a cleaning mounting seat (41) being arranged on a telescopic rod of the cleaning control electric cylinder (40), a motor three (42) and a screw three (43) being arranged on the cleaning mounting seat (41), the screw three (43) being driven by the motor three (42), a cleaning slide (44) being slidably mounted on the cleaning mounting seat (41), a cleaning motor (45) being arranged on the cleaning slide (44), and a cleaning portion (46) being arranged on an output shaft of the cleaning motor (45); a covering electric cylinder (38) being arranged at one end of the photovoltaic base (4), and a covering box (39) being arranged on the telescopic rod of the covering electric cylinder (38) for covering the top of the cleaning mounting seat (41).

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