CN211830703U

CN211830703U - Photovoltaic power generation collection flow box that stability is high

Info

Publication number: CN211830703U
Application number: CN202020529458.7U
Authority: CN
Inventors: 梁玉俊
Original assignee: Wujiaqu Jingneng New Energy Co ltd
Current assignee: Wujiaqu Jingneng New Energy Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-10-30
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a photovoltaic power generation collection flow box that stability is high belongs to electrical equipment technical field. A photovoltaic power generation combiner box with high stability comprises a box body, wherein mounting seats are bolted on the left side and the right side of the back of the box body, mounting holes are formed in the surfaces of the mounting seats, a fixing frame is bolted on the inner wall of the box body, a connecting hole is formed in the surface of the fixing frame, and threads are arranged inside the connecting hole; this photovoltaic power generation collection flow box that stability is high through mount pad, connecting hole, mount, prevent the setting of anti-diode, guard plate, fixed frame and baffle, has the installation of being convenient for, and the security is high, can reduce fortune dimension personnel's work load, and can improve equipment stability's advantage, has solved the photovoltaic power generation collection flow box function singleness that uses at present, lacks protective structure, causes the breakdown trouble easily, is unfavorable for the problem of equipment long-term steady operation to can increase the factor of safety of equipment.

Description

Photovoltaic power generation collection flow box that stability is high

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a photovoltaic power generation collection flow box that stability is high.

Background

The junction box is a wiring device for ensuring orderly connection and junction functions of photovoltaic modules in a photovoltaic power generation system, a plurality of photovoltaic arrays are connected in parallel into the photovoltaic junction box, after the photovoltaic junction box is internally converged, the photovoltaic junction box is matched with an alternating current power distribution cabinet through a controller, a direct current power distribution cabinet, a photovoltaic inverter and the alternating current power distribution cabinet to form a complete photovoltaic power generation system, the photovoltaic system can be easily cut off when being maintained and checked by the device which is connected with a mains supply in a grid mode, and the power failure range is reduced when the photovoltaic system breaks down.

The photovoltaic power generation collection flow box that uses at present function singleness, lack protective structure, the diode works for a long time under high-voltage environment, has great potential safety hazard, causes the breakdown trouble easily to lead to collecting flow box's maintenance volume to increase, be unfavorable for equipment long-term steady operation. Therefore, the photovoltaic power generation combiner box is convenient to install, high in safety, capable of reducing the workload of operation and maintenance personnel and capable of improving the stability of equipment, and solves the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art photovoltaic power generation collection flow box function singleness, lacking protective structure, be unfavorable for equipment long-term steady operation problem, and the photovoltaic power generation collection flow box that stability is high that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a photovoltaic power generation collection flow box that stability is high, includes the box, the equal bolt in the left and right sides at the box back has the mount pad, the mounting hole has been seted up on the surface of mount pad, the inner wall bolt of box has the mount, the connecting hole has been seted up on the surface of mount pad, the inside of connecting hole is provided with the screw thread, the front of mount pad is provided with prevents reverse diode, prevent reverse diode and pass through the bolt between connecting hole and the mount, the input interface has been seted up in the left side of box inner chamber bottom, the output interface has been seted up on the right side of box inner chamber bottom, the front of box articulates there is the guard plate, the bottom bolt of box has fixed frame, the bottom of input interface and output interface runs through to the inside of fixed frame, the front bolt.

Preferably, the left side and the right side at the box back all are bolted with the connecting seat, the one end bolt that the box was kept away from to the connecting seat has the blotter, the blotter is located the intermediate position at the box back.

Preferably, the front of guard plate is inlayed and is equipped with the observation window, the observation window adopts the organic glass material, the guard plate passes through the hasp and is connected fixedly with the box.

Preferably, the right side of the fixing frame is provided with a threading hole, a protection pad is embedded in the threading hole, and the protection pad is a rubber pad.

Preferably, the inner cavity of the box body is bolted with a data acquisition module at the top of the fixing frame, and the data acquisition module is electrically connected with the anti-reverse diode.

Preferably, the right side of the inner cavity of the box body is respectively bolted with a direct current breaker and a surge protector, and the direct current breaker and the surge protector are electrically connected with an anti-reverse diode.

Preferably, the top and the bottom of the back of the box body are bolted with radiating fins, and heat-conducting silica gel is coated between the box body and the radiating fins.

Compared with the prior art, the utility model provides a photovoltaic power generation collection flow box that stability is high possesses following beneficial effect:

1. this photovoltaic power generation collection flow box that stability is high, through the mount pad, the connecting hole, the mount, prevent the diode that turns over, the guard plate, the setting of fixed frame and baffle, have the installation of being convenient for, the security is high, can reduce fortune dimension personnel's work load, and can improve equipment stability's advantage, the photovoltaic power generation collection flow box function singleness that has solved present use, lack protective structure, cause the breakdown trouble easily, be unfavorable for the problem of equipment long-term steady operation, thereby can increase the factor of safety of equipment, reduce the maintenance work volume of equipment.

2. This high photovoltaic power generation collection flow box of stability through the setting of connecting seat and cushion, can play the effect of buffering, avoids the collection flow box collision damage when the installation, through the setting of observation window, is convenient for inspect the flow box inside that converges to can in time discover dangerous situation, through the setting of through wires hole, can protect the cable, prevent that wearing and tearing from appearing in the cable.

3. This photovoltaic power generation collection flow box that stability is high, through data acquisition module's setting, can be to the current signal sampling of photovoltaic array, be convenient for master photovoltaic power generation's operating condition, through direct current circuit breaker and surge protector's setting, be convenient for control the circuit, and increased the lightning protection function, can protect the circuit, through the setting of fin, can increase the radiating effect of box to the stability of anti-diode work is prevented in the assurance.

Drawings

Fig. 1 is a schematic structural sectional view of a photovoltaic power generation combiner box with high stability provided by the present invention;

fig. 2 is a top view and a cross-sectional view of a partial structure of a photovoltaic power generation combiner box with high stability provided by the utility model;

fig. 3 is a schematic structural perspective view of a photovoltaic power generation combiner box with high stability according to the present invention;

fig. 4 is the utility model provides a high photovoltaic power generation collection flow box's of stability local structure circuit diagram.

In the figure: 1. a box body; 2. a mounting seat; 3. mounting holes; 4. a fixed mount; 5. connecting holes; 6. an anti-reverse diode; 7. an input interface; 8. an output interface; 9. a protection plate; 10. a fixing frame; 11. a baffle plate; 12. a connecting seat; 13. a cushion pad; 14. an observation window; 15. threading holes; 16. a data acquisition module; 17. a direct current breaker; 18. a surge protector; 19. and a heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a photovoltaic power generation combiner box with high stability comprises a box body 1, mounting bases 2 are bolted on the left side and the right side of the back of the box body 1, mounting holes 3 are formed in the surfaces of the mounting bases 2, a fixing frame 4 is bolted on the inner wall of the box body 1, a connecting hole 5 is formed in the surface of the fixing frame 4, threads are arranged inside the connecting hole 5, an anti-reverse diode 6 is arranged on the front of the fixing frame 4, the anti-reverse diode 6 is bolted with the fixing frame 4 through the connecting hole 5, an input interface 7 is arranged on the left side of the bottom of an inner cavity of the box body 1, an output interface 8 is arranged on the right side of the bottom of the inner cavity of the box body 1, a protection plate 9 is hinged on the front of the box body 1, a fixing frame 10 is bolted on the bottom of the box body 1, connecting hole 5, mount 4, prevent reverse diode 6, guard plate 9, fixed frame 10 and baffle 11's setting, have the installation of being convenient for, the security is high, can reduce fortune dimension personnel's work load, and can improve equipment stability's advantage, solved the photovoltaic power generation collection flow box function singleness that uses at present, lack protective structure, cause the breakdown trouble easily, be unfavorable for the problem of the long-term steady operation of equipment to can increase the factor of safety of equipment, reduce the maintenance work load of equipment.

In this embodiment, the left and right sides at the box 1 back all bolted connection has connecting seat 12, and the one end bolted connection that box 1 was kept away from to connecting seat 12 has blotter 13, and blotter 13 is located the intermediate position at the box 1 back, through the setting of connecting seat 12 and blotter 13, can play the effect of buffering, avoids the collection flow box collision damage when the installation.

In this embodiment, the front of guard plate 9 inlays and is equipped with observation window 14, and observation window 14 adopts the organic glass material, and guard plate 9 passes through the hasp to be connected fixedly with box 1, through the setting of observation window 14, is convenient for inspect the flow box inside that converges to can in time discover dangerous situation.

In this embodiment, through wires hole 15 has been seted up on the right side of fixed frame 10, and the inside of through wires hole 15 is inlayed and is equipped with the protection pad, and the protection pad is the rubber pad, through the setting of through wires hole 15, can protect the cable, prevents that wearing and tearing from appearing in the cable.

In this embodiment, the data acquisition module 16 is bolted to the top of the inner cavity of the box body 1 and located on the fixing frame 4, the data acquisition module 16 is electrically connected with the anti-reverse diode 6, and through the arrangement of the data acquisition module 16, the current signal of the photovoltaic array can be sampled, so that the working state of photovoltaic power generation can be conveniently mastered.

In this embodiment, direct current breaker 17 and surge protector 18 have been bolted respectively on the right side of 1 inner chamber of box, and direct current breaker 17 and surge protector 18 all with prevent anti-diode 6 electric connection, through direct current breaker 17 and surge protector 18's setting, are convenient for control the circuit, and have increased lightning protection function, can protect the circuit.

In this embodiment, the top and the bottom of the back of the box body 1 are bolted with the cooling fins 19, heat-conducting silica gel is coated between the box body 1 and the cooling fins 19, and the heat dissipation effect of the box body 1 can be increased by the arrangement of the cooling fins 19, so that the working stability of the anti-reflection diode 6 is ensured.

The working principle is as follows: during the use, at first install box 1 through mount pad 2, threaded connection between bolt and connecting hole 5 afterwards, thereby can install box 1, blotter 13 and wall laminating simultaneously, increase the stability of box 1 installation, then open protection plate 9 and will prevent reverse diode 6 and install on the surface of mount 4, pass through the inside of the leading-in fixed frame 10 of through wires hole 15 with the cable afterwards, thereby can be with preventing reverse diode 6, data acquisition module 16, be connected between direct current circuit breaker 17 and the surge protector 18, prevent that reverse diode 6 can produce the heat when being in operating condition, the heat is along with being absorbed the surface of transmitting fin 19 by heat conduction silica gel from the surface of box 1, thereby can increase the heat-sinking capability of the collection flow box, guarantee the long-term steady operation of equipment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The photovoltaic power generation header box with high stability comprises a box body (1) and is characterized in that mounting seats (2) are bolted on the left side and the right side of the back face of the box body (1), mounting holes (3) are formed in the surface of the mounting seats (2), a fixing frame (4) is bolted on the inner wall of the box body (1), a connecting hole (5) is formed in the surface of the fixing frame (4), threads are arranged inside the connecting hole (5), an anti-reverse diode (6) is arranged on the front face of the fixing frame (4), the anti-reverse diode (6) is bolted between the connecting hole (5) and the fixing frame (4), an input interface (7) is formed in the left side of the bottom of an inner cavity of the box body (1), an output interface (8) is formed in the right side of the bottom of the inner cavity of the box body (1), and a protection plate (, the bottom of box (1) has been bolted and has been connect fixed frame (10), the bottom of input interface (7) and output interface (8) runs through to the inside of fixed frame (10), the front bolt of fixed frame (10) has been connected baffle (11).

2. The high-stability photovoltaic power generation combiner box according to claim 1, wherein connecting seats (12) are bolted to the left and right sides of the back surface of the box body (1), a buffer pad (13) is bolted to one end, far away from the box body (1), of each connecting seat (12), and the buffer pad (13) is located in the middle of the back surface of the box body (1).

3. The high-stability photovoltaic power generation combiner box according to claim 1, wherein an observation window (14) is embedded in the front surface of the protection plate (9), the observation window (14) is made of organic glass, and the protection plate (9) is fixedly connected with the box body (1) through a lock catch.

4. The high-stability photovoltaic power generation combiner box according to claim 1, wherein a threading hole (15) is formed in the right side of the fixing frame (10), a protection pad is embedded in the threading hole (15), and the protection pad is a rubber pad.

5. The high-stability photovoltaic power generation combiner box according to claim 1, wherein a data acquisition module (16) is bolted to the top of the fixing frame (4) and in the inner cavity of the box body (1), and the data acquisition module (16) is electrically connected with the anti-reflection diode (6).

6. The high-stability photovoltaic power generation combiner box according to claim 1, wherein a direct current breaker (17) and a surge protector (18) are respectively bolted to the right side of the inner cavity of the box body (1), and the direct current breaker (17) and the surge protector (18) are electrically connected with the anti-reflection diode (6).

7. The high-stability photovoltaic power generation combiner box according to claim 1, wherein heat dissipation fins (19) are bolted to the top and the bottom of the back surface of the box body (1), and heat conductive silica gel is coated between the box body (1) and the heat dissipation fins (19).