Automatic protection device for motor home photovoltaic battery pack

Abstract

The invention belongs to the technical field of photovoltaic cells, and particularly relates to a motor home photovoltaic cell pack automatic protection device which comprises a photovoltaic panel assembly and an inspection assembly. The inspection assembly is arranged at the bottom of the photovoltaic panel assembly, the inspection assembly is connected with the bottom of the photovoltaic panel assembly in an attached mode, the two ends of the photovoltaic panel assembly are each rotationally connected with a self-protection plate, a water tank and multiple sets of nozzles are installed on one side wall of each self-protection plate in an embedded mode, and the multiple sets of nozzles communicate with the water tank; the inspection tour assembly is connected to the bottom of the photovoltaic panel assembly in an attached mode and used for detecting different positions of the bottom of the photovoltaic panel assembly and providing signals for automatic protection of the photovoltaic panel assembly, and the self-protection plates are rotationally connected to the two ends of the photovoltaic panel assembly and used for protecting the photovoltaic panel assembly and preventing the photovoltaic panel assembly from being corroded by strong acid and strong alkali. And the surface of the photovoltaic panel assembly is cleaned by using a plurality of groups of nozzles, so that the optimal working state of the photovoltaic panel assembly is kept.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic cells, and in particular relates to an automatic protection device for a photovoltaic battery group of a recreational vehicle. Background Art

[0002] Solar photovoltaic cells (PV cells for short) are used to convert sunlight directly into electrical energy. Ground photovoltaic systems use a large number of silicon-based solar cells, which can be divided into single-crystal silicon, polycrystalline silicon, and amorphous silicon solar cells. Since the plateau has long sunshine hours and is sparsely populated, more PV cell groups are installed in the plateau.

[0003] After searching, in the prior art, Chinese patent publication number CN220586249U, authorization announcement date: 2024-03-12, discloses a photovoltaic battery group protection device, which belongs to the field of photovoltaic battery technology. The utility model includes a hot water tank, a movable water tank, a fixed frame and a photovoltaic panel installed on the fixed frame. The hot water tank is equipped with a heating device. The hot water tank is connected to the movable water tank through a water delivery system. The movable water tank is installed above the photovoltaic panel through a translation mechanism. The movable water tank can reciprocate along the length direction of the photovoltaic panel with the help of the translation mechanism. The movable water tank is extended along the width direction of the photovoltaic panel. A soft brush and a water spray head are installed on the side of the movable water tank facing the photovoltaic panel. The soft brush is extended along the width direction of the photovoltaic panel. The soft brush contacts the upper surface of the photovoltaic panel. The water spray head is arranged at intervals along the width direction of the photovoltaic panel. The water inlet end of the water spray head is connected to the movable water tank, and the water outlet end of the water spray head faces the photovoltaic panel. This application can solve the problem of inconvenience in removing frost in the prior art.

[0004] However, the device still has the following defects: although it can solve the problem of inconvenient frost removal in the prior art, it is unable to automatically protect the exposed photovoltaic panels according to environmental changes. After each bad weather, the photovoltaic panels need to be de-frosted, which increases the frequency of use of soft brushes and hot water tanks, which is time-consuming and labor-intensive. Summary of the invention

[0005] In response to the above problems, the present invention provides an automatic protection device for a RV photovoltaic battery group, including a photovoltaic panel assembly and a patrol assembly; the patrol assembly is arranged at the bottom of the photovoltaic panel assembly, and the patrol assembly is fit-connected to the bottom of the photovoltaic panel assembly, both ends of the photovoltaic panel assembly are rotatably connected with self-protection plates, and a water tank and several groups of nozzles are embedded and installed on one side wall of the self-protection plate, the several groups of nozzles are interconnected with the water tank, and a water pump is arranged at the connection between the water tank and the several groups of nozzles.

[0006] Furthermore, the photovoltaic panel assembly includes a photovoltaic panel; assembly brackets are provided on the side walls of the photovoltaic panel near the corners, one side wall of several groups of the assembly brackets are fixedly connected to a beam, a linkage rod is rotatably connected between two groups of beams, and the ends of the linkage rods are rotatably connected to positioning brackets.

[0007] Furthermore, a first motor is fixedly connected to the outer wall of the positioning bracket, and the output end of the first motor is transmission-connected to a linkage rod, and the linkage rod is transmission-connected to a first hinge seat. A hollow sliding cavity is provided on the outer wall of the assembly bracket, and a self-detachable limiting end is slidably connected to the outer wall of the hollow sliding cavity, and one end of the self-detachable limiting end passes through the hollow sliding cavity, extends to the outer wall of the photovoltaic panel and is fixedly connected.

[0008] Furthermore, a screw is threadedly connected to the top of the self-detachable limiting terminal, an internal threaded hole is opened at the bottom of the assembly bracket, and the internal threaded hole is communicated with the hollow sliding cavity, a bolt is threadedly connected to the internal threaded hole, one end of the bolt extends to the bottom of the self-detachable limiting terminal and is abuttedly connected, a tension spring is arranged between the bottom of the self-detachable limiting terminal and the bottom of the assembly bracket, and a battery pack is arranged at the bottom of the photovoltaic panel.

[0009] Furthermore, the patrol assembly includes two groups of RV luggage racks; the tops of the two groups of RV luggage racks are slidably connected with two groups of movable beams, and the two groups of movable beams are symmetrically arranged with the central axis of the RV luggage rack as the center.

[0010] Furthermore, linkage blocks are provided at the tops of the two groups of movable beams and near the ends, and a screw rod is threadedly connected to the linkage block, and the radial direction of the screw rod is equal to the radial direction of the RV luggage rack.

[0011] Furthermore, one end of the screw rod is transmission-connected to the output end of the second motor, the ends of the two groups of RV luggage racks are fixedly connected to the bottom of the positioning bracket, and the side of the second motor away from the output end is fixedly connected to the outer wall of the positioning bracket, and several groups of testing mechanisms are provided on the two groups of moving beams.

[0012] Furthermore, the testing mechanism includes a copper guide wheel; the copper guide wheel is a hollow structure, and both ends of the copper guide wheel are rotatably connected to support arms, and the side walls of the two groups of support arms are provided with stress grooves.

[0013] Furthermore, the bottom ends of the inner walls of the two groups of stress grooves are both sleeved on the outside of the moving beam, a buffer portion is provided between the top ends of the inner walls of the stress grooves and the top end of the moving beam, and the stiffness coefficient of the buffer portion is greater than the stiffness coefficient of the tension spring.

[0014] Furthermore, a plurality of groups of temperature sensors are fitted on the inner wall of the copper guide wheel, and the copper guide wheel is rollingly fitted and connected to the bottom of the photovoltaic panel and the bottom of the battery pack.

[0015] The beneficial effects of the present invention are:

[0016] 1. The patrol assembly is attached to the bottom of the photovoltaic panel assembly to detect different positions of the bottom of the photovoltaic panel assembly and provide signals for automatic protection of the photovoltaic panel assembly. The self-protection plate is rotatably connected to both ends of the photovoltaic panel assembly to protect the photovoltaic panel assembly from being corroded by strong acids and alkalis, and automatically prevent frost and snow. Several groups of nozzles are used to clean the surface of the photovoltaic panel assembly to keep the photovoltaic panel assembly in the best working condition.

[0017] 2. One end of the bolt in the internal threaded hole contacts the bottom of the self-disassembly limiting end head, which is used to limit the corner of the assembled photovoltaic panel. When the RV travels on a bumpy road section and the bolt in the internal threaded hole becomes loose, the tension spring is used to continuously pull the self-disassembly limiting end head down to contact the bolt, which is used for automatic limiting protection of the photovoltaic panel after the bolt is loosened, timely compensation to prevent the distance between the photovoltaic panel and the bolt, and reduce the noise generated by the photovoltaic panel on bumpy roads.

[0018] 3. The output end of the second motor drives the screw rod to rotate, so that several groups of copper guide wheels are moved to different positions at the bottom of the photovoltaic panel. The buffer part in the stress groove is used to move the copper guide wheel to the bottom of different types of photovoltaic panels. It can follow the bottom shape of the photovoltaic panel for adaptive fitting, ensuring that the shock absorption and buffering of the photovoltaic panel can adapt to different bumpy roads.

[0019] 4. Through the temperature sensor in the copper guide wheel, the copper guide wheel transmits the temperature of different positions at the bottom of the photovoltaic panel to the temperature sensor, which is used to monitor the temperature of the photovoltaic panel and the battery pack at the bottom at all times, and provide automatic protection signals for the self-protection of the photovoltaic panel.

[0020] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 The structure of the automatic protection device for photovoltaic battery group according to the embodiment of the present invention is shown. Figure 1 ;

[0023] Figure 2 The structure of the automatic protection device for photovoltaic battery group according to the embodiment of the present invention is shown. Figure 2 ;

[0024] Figure 3 A schematic diagram of the top structure of a photovoltaic panel assembly according to an embodiment of the present invention is shown;

[0025] Figure 4 A schematic diagram of the bottom structure of a photovoltaic panel assembly according to an embodiment of the present invention is shown;

[0026] Figure 5 A schematic diagram of the structure of a patrol component according to an embodiment of the present invention is shown;

[0027] Figure 6 A schematic structural diagram of a testing mechanism according to an embodiment of the present invention is shown.

[0028] In the figure: 1. Photovoltaic panel assembly; 11. Photovoltaic panel; 12. Assembly bracket; 13. Crossbeam; 14. Linkage rod; 15. Positioning bracket; 16. First motor; 17. Hollow sliding cavity; 18. Self-detachable limit terminal; 19. Screw; 1100. Internal threaded hole; 111. Tension spring; 112. Battery pack; 2. Self-protection plate; 3. Patrol assembly; 31. RV luggage rack; 32. Moving beam; 33. Linkage block; 34. Screw; 35. Second motor; 36. Testing mechanism; 361. Copper guide wheel; 362. Support arm; 363. Stress groove; 364. Buffer; 4. Water tank; 5. Nozzle; 6. First hinge seat. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0030] The embodiment of the present invention provides an automatic protection device for a RV photovoltaic battery group, including a photovoltaic panel component 1 and a patrol component 3; illustratively, as Figure 1 and Figure 2 shown.

[0031] The patrol component 3 is arranged at the bottom of the photovoltaic panel component 1, and the patrol component 3 is closely connected to the bottom of the photovoltaic panel component 1. Both ends of the photovoltaic panel component 1 are rotatably connected with self-protection plates 2, and a water tank 4 and several groups of nozzles 5 are embedded and installed on one side wall of the self-protection plate 2. Several groups of nozzles 5 are connected to the water tank 4, and a water pump is arranged at the connection between the water tank 4 and the several groups of nozzles 5.

[0032] Specifically, the patrol assembly 3 is fitted and connected to the bottom of the photovoltaic panel assembly 1, and is used to detect different positions of the bottom of the photovoltaic panel assembly 1, and provide a signal for automatic protection of the photovoltaic panel assembly 1. The self-protection plate 2 is rotatably connected to both ends of the photovoltaic panel assembly 1, and is used to protect the photovoltaic panel assembly 1, prevent the photovoltaic panel assembly 1 from being corroded by strong acids and alkalis, and automatically prevent frost and snow. A plurality of groups of nozzles 5 are used to clean the surface of the photovoltaic panel assembly 1 to maintain the photovoltaic panel assembly 1 in the best working state.

[0033] The photovoltaic panel assembly 1 includes a photovoltaic panel 11; illustratively, as Figure 3 and Figure 4 shown.

[0034] The side walls of the photovoltaic panel 11 are all provided with assembly brackets 12 near the corners, and one side wall of several groups of the assembly brackets 12 is fixedly connected with a cross beam 13, a linkage rod 14 is rotatably connected between two groups of cross beams 13, and the ends of the linkage rod 14 are rotatably connected with a positioning bracket 15, the outer wall of the positioning bracket 15 is fixedly connected with a first motor 16, and the output end of the first motor 16 is transmission-connected with the linkage rod 14, and the linkage rod 14 is transmission-connected with the first hinge seat 6, the outer wall of the assembly bracket 12 is provided with a hollow sliding cavity 17, and the outer wall of the hollow sliding cavity 17 is slidably connected with a self-detachable limiting end 18, One end of the self-detachable limiting terminal 18 passes through the hollow sliding cavity 17 and extends to the outer wall of the photovoltaic panel 11 and is fixedly connected. The top of the self-detachable limiting terminal 18 is threadedly connected with a screw 19. An internal threaded hole 1100 is provided at the bottom of the assembly bracket 12, and the internal threaded hole 110 is communicated with the hollow sliding cavity 17. A bolt is threadedly connected to the internal threaded hole 110. One end of the bolt extends to the bottom of the self-detachable limiting terminal 18 and is abuttedly connected. A tension spring 111 is arranged between the bottom of the self-detachable limiting terminal 18 and the bottom of the assembly bracket 12. A battery pack 112 is arranged at the bottom of the photovoltaic panel 11.

[0035] Specifically, the output end of the first motor 16 drives the linkage rod 14 to rotate, so that the self-protection plate 2 rotates around the linkage rod 14, so that the self-protection plate 2 is closed and connected to the upper surface of the photovoltaic panel 11, or is away from the upper surface of the photovoltaic panel 11, so that the photovoltaic panel 11 is in a working state or a self-protection state;

[0036] One end of the bolt in the internal threaded hole 110 abuts against the bottom of the self-disassembly limiting end 18, which is used to limit the corner of the assembled photovoltaic panel 11. When the RV travels on a bumpy road section and the bolt in the internal threaded hole 1100 becomes loose, the tension spring 111 is used to continuously pull the self-disassembly limiting end 18 down to abut against the bolt, which is used for automatic limiting protection of the photovoltaic panel 11 after the bolt is loosened, timely compensation to prevent the distance between the photovoltaic panel 11 and the bolt, and reduce the noise generated by the photovoltaic panel 11 on bumpy roads.

[0037] The patrol assembly 3 includes two sets of RV luggage racks 31; for example, Figure 5 shown.

[0038] The tops of the two groups of RV luggage racks 31 are slidably connected with two groups of moving beams 32, and the two groups of moving beams 32 are symmetrically arranged with the central axis of the RV luggage rack 31 as the center, and linkage blocks 33 are provided at the tops and near the ends of the two groups of moving beams 32, and a screw rod 34 is threadedly connected to the linkage block 33, and the radial direction of the screw rod 34 is equal to the radial direction of the RV luggage rack 31, one end of the screw rod 34 is transmission-connected to the output end of the second motor 35, the ends of the two groups of RV luggage racks 31 are fixedly connected to the bottom of the positioning bracket 15, and the side of the second motor 35 away from the output end is fixedly connected to the outer wall of the positioning bracket 15, and several groups of testing mechanisms 36 are provided on the two groups of moving beams 32.

[0039] The testing mechanism 36 includes a copper guide wheel 361; illustratively, Figure 6 shown.

[0040] The copper guide wheel 361 is a hollow structure, and both ends of the copper guide wheel 361 are rotatably connected to support arms 362. The side walls of the two groups of support arms 362 are provided with stress grooves 363. The bottom ends of the inner walls of the two groups of stress grooves 363 are sleeved on the outside of the moving beam 32. A buffer portion 364 is provided between the top of the inner wall of the stress groove 363 and the top of the moving beam 32, and the stiffness coefficient of the buffer portion 364 is greater than the stiffness coefficient of the tension spring 111. Several groups of temperature sensors are fitted on the inner wall of the copper guide wheel 361, and the copper guide wheels 361 are rollingly fitted and connected to the bottom of the photovoltaic panel 11 and the bottom of the battery pack 112.

[0041] Furthermore, a controller is provided in the photovoltaic panel 11, and several groups of the temperature sensors, the first motor 16, the second motor 35 and the water pump are all electrically connected to the controller.

[0042] Specifically, the output end of the second motor 35 drives the screw rod 34 to rotate, so that several groups of copper guide wheels 361 are moved to different positions at the bottom of the photovoltaic panel 11. The buffer part 364 in the stress groove 363 is used to move the copper guide wheel 361 to the bottom of different types of photovoltaic panels 11. It can follow the bottom shape of the photovoltaic panel 11 for adaptive fitting, while ensuring that the shock absorption and buffering of the photovoltaic panel 11 adapt to different bumpy roads. At the same time, the temperature sensor in the copper guide wheel 361 can be used to transmit the temperature of different positions at the bottom of the photovoltaic panel 11 to the temperature sensor, which is used to monitor the temperature of the photovoltaic panel 11 and the bottom battery pack 112 at all times, and provide an automatic protection signal for the self-protection of the photovoltaic panel 11.

[0043] The working principle of the automatic protection device for the photovoltaic battery group of a motorhome proposed by the embodiment of the present invention is as follows:

[0044] The output end of the second motor 35 drives the screw rod 34 to rotate, so that several groups of copper guide wheels 361 are moved to different positions at the bottom of the photovoltaic panel 11. The buffer part 364 in the stress groove 363 is used to make the copper guide wheel 361 move to the bottom of different types of photovoltaic panels 11, and then the copper guide wheel 361 can be adaptively fitted according to the bottom shape of the photovoltaic panel 11. While ensuring that the photovoltaic panel 11 can adapt to different bumpy roads by shock absorption and buffering, the temperature sensor in the copper guide wheel 361 can be used to transmit the temperature of different positions at the bottom of the photovoltaic panel 11 to the temperature sensor, so as to monitor the temperature of the photovoltaic panel 11 and the bottom battery group 112 at all times, and provide an automatic protection signal for the self-protection of the photovoltaic panel 11.

[0045] The linkage rod 14 is driven to rotate by the output end of the first motor 16, so that the self-protection plate 2 rotates around the linkage rod 14, so that the self-protection plate 2 is closed and connected to the upper surface of the photovoltaic panel 11, or is away from the upper surface of the photovoltaic panel 11, so that the photovoltaic panel 11 is in a working state or a self-protection state;

[0046] One end of the bolt in the internal threaded hole 110 abuts against the bottom of the self-disassembly limiting end 18, which is used to limit the corner of the assembled photovoltaic panel 11. When the RV travels on a bumpy road section and the bolt in the internal threaded hole 110 becomes loose, the tension spring 111 is used to continuously pull the self-disassembly limiting end 18 down to abut against the bolt, which is used for automatic limiting protection of the photovoltaic panel 11 after the bolt is loosened, timely compensation to prevent the distance between the photovoltaic panel 11 and the bolt, and reduce the noise generated by the photovoltaic panel 11 on bumpy roads.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic protection device for a RV photovoltaic battery group, characterized in that: The invention comprises a photovoltaic panel assembly (1) and a patrol assembly (3); the patrol assembly (3) is arranged at the bottom of the photovoltaic panel assembly (1), and the patrol assembly (3) is closely connected to the bottom of the photovoltaic panel assembly (1); both ends of the photovoltaic panel assembly (1) are rotatably connected with a self-protection plate (2), and a water tank (4) and a plurality of groups of nozzles (5) are embedded and installed on one side wall of the self-protection plate (2); the plurality of groups of nozzles (5) are interconnected with the water tank (4), and a water pump is arranged at the connection between the water tank (4) and the plurality of groups of nozzles (5).

2. The automatic protection device for RV photovoltaic battery group according to claim 1 is characterized in that: The photovoltaic panel assembly (1) comprises a photovoltaic panel (11); a side wall of the photovoltaic panel (11) is provided with an assembly bracket (12) near a corner; one side wall of a plurality of groups of the assembly brackets (12) is fixedly connected to a crossbeam (13); a linkage rod (14) is rotatably connected between two groups of crossbeams (13); and the ends of the linkage rod (14) are rotatably connected to a positioning bracket (15).

3. The automatic protection device for the RV photovoltaic battery group according to claim 2 is characterized in that: The outer wall of the positioning bracket (15) is fixedly connected to a first motor (16), and the output end of the first motor (16) is transmission-connected to a linkage rod (14), and the linkage rod (14) is transmission-connected to a first hinge seat (6). The outer wall of the assembly bracket (12) is provided with a hollow sliding cavity (17), and the outer wall of the hollow sliding cavity (17) is slidably connected to a self-detachable limiting terminal (18), and one end of the self-detachable limiting terminal (18) passes through the hollow sliding cavity (17) and extends to the outer wall of the photovoltaic panel (11) and is fixedly connected.

4. The automatic protection device for the RV photovoltaic battery group according to claim 3 is characterized in that: The top of the self-detachable limiting terminal (18) is threadedly connected with a screw (19), the bottom of the assembly bracket (12) is provided with an internal threaded hole (110), and the internal threaded hole (110) is communicated with the hollow sliding cavity (17), the internal threaded hole (110) is internally threadedly connected with a bolt, one end of the bolt extends to the bottom of the self-detachable limiting terminal (18) and is abutted against it, a tension spring (111) is arranged between the bottom of the self-detachable limiting terminal (18) and the bottom of the assembly bracket (12), and a battery pack (112) is arranged at the bottom of the photovoltaic panel (11).

5. The automatic protection device for RV photovoltaic battery group according to claim 1 is characterized in that: The patrol assembly (3) comprises two groups of RV luggage racks (31); the tops of the two groups of RV luggage racks (31) are slidably connected with two groups of moving beams (32), and the two groups of moving beams (32) are symmetrically arranged with the central axis of the RV luggage rack (31) as the center.

6. The automatic protection device for the RV photovoltaic battery group according to claim 5 is characterized in that: A linkage block (33) is provided at the top end and near the end of the two groups of movable beams (32), a screw rod (34) is threadedly connected to the linkage block (33), and the radial direction of the screw rod (34) is equal to the radial direction of the RV luggage rack (31).

7. The automatic protection device for the RV photovoltaic battery group according to claim 6 is characterized in that: One end of the screw rod (34) is drivingly connected to the output end of the second motor (35); the ends of the two groups of RV luggage racks (31) are fixedly connected to the bottom of the positioning bracket (15); and the side of the second motor (35) away from the output end is fixedly connected to the outer wall of the positioning bracket (15); and a plurality of test mechanisms (36) are arranged on the two groups of moving beams (32).

8. The automatic protection device for the RV photovoltaic battery group according to claim 7 is characterized in that: The testing mechanism (36) comprises a copper guide wheel (361); the copper guide wheel (361) is a hollow structure, and both ends of the copper guide wheel (361) are rotatably connected to support arms (362), and the side walls of the two groups of support arms (362) are provided with stress grooves (363).

9. The automatic protection device for the RV photovoltaic battery group according to claim 8, characterized in that: The bottom ends of the inner walls of the two groups of stress grooves (363) are both sleeved on the outside of the moving beam (32), and a buffer portion (364) is provided between the top ends of the inner walls of the stress grooves (363) and the top end of the moving beam (32), and the stiffness coefficient of the buffer portion (364) is greater than the stiffness coefficient of the tension spring (111).

10. The automatic protection device for the RV photovoltaic battery group according to claim 9, characterized in that: The inner wall of the copper guide wheel (361) is fitted with a plurality of groups of temperature sensors, and the copper guide wheel (361) is rollingly fitted and connected to the bottom of the photovoltaic panel (11) and the bottom of the battery pack (112).

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