Header box structure of base station stacked parallel system

Abstract

The utility model discloses a combiner box structure of a base station stacked parallel system, which comprises a case shell and a case cover, the case cover is rotatably connected with the case shell, and the case cover covers the case shell to form a waterproof closed space. Two guide rails, a first copper bar, a second copper bar, a third copper bar, a fourth copper bar and a grounding copper bar are arranged on a bottom plate in the case shell, and the data acquisition circuit module, the control center module, the electric energy meter, the communication module, the air switch circuit breaker and the emergency stop tripping switch are all arranged on the guide rails. A positive electrode cable of the connected adapter and a positive electrode wiring point of the battery pack are both connected to the first copper bar, a negative electrode cable of the connected adapter is connected with a terminal block of the data acquisition circuit module, a built-in copper bar of the data acquisition circuit module is connected with the second copper bar, the second copper bar is connected with the third copper bar, and the third copper bar is connected with the battery pack. And the third copper bar is connected with the air switch circuit breaker. According to the utility model, cables are prevented from being piled and disordered, and the interior of the box is tidier.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic base station technical field especially relates to a base station light stacking and parallel system bus structure. BACKGROUND

[0002] The communication base station light stacking reconstruction project is based on the existing base station alternating current power supply equipment system to carry out the superposition reconstruction of photovoltaic power generation, the base station light stacking and parallel system bus can collect and input the energy output by each photovoltaic module through the photovoltaic adapter to the base station battery group bus, and the centralized control center of the base station light stacking and parallel system bus can collect all the working data of the connected photovoltaic adapters and control the cooperative work, and the data can be transmitted to the remote background through the communication module. Therefore, the base station light stacking and parallel system bus is an energy collection center and a system dispatching center, which needs to be connected with multiple adapter cables (according to the size of the communication base station, the system configuration of the conventional use may appear 6-16 photovoltaic adapters, that is, there are 12-32 positive and negative power cables, and the number is large), matched lightning protector, matched circuit breaker, matched emergency stop protection, matched data acquisition, matched remote communication module, matched electric energy meter, matched control center and the like.

[0003] At present, there are various base station light stacking system bus structures in the market, and the main defects are:

[0004] 1. The power cables input by the photovoltaic adapter are too many, and there is no targeted design planning, and the positive and negative poles are crossed and messy, and the wiring is easy to be connected incorrectly or reversely;

[0005] 2. The lightning protector, circuit breaker, emergency stop switch, data acquisition, communication module, electric energy meter, control center and the like are mixed and crossed with various specifications, sizes, colors and cable wires, which causes serious space waste, complicated production and assembly operation, difficult product quality inspection, is not conducive to on-site installation, after-sales fault troubleshooting and operation and maintenance, and high difficulty, which causes great waste of cost investment in each link;

[0006] 3. The existing products on the market mainly realize basic functions, and seriously ignore the safety and maintainability of the products, such as the power cable, control center and communication module, which are directly exposed to the user end, especially the power inside the bus is connected with the battery group, which is easy to cause fire if short-circuited, and has great safety hidden danger to the user and public property, and the design is messy and suspicious, which makes the maintainability very poor.

[0007] 4. The base station light stacking system bus is usually installed in outdoor scenes, the existing products have single installation mode, the on-site construction is easily limited, and the sealing protection of the inlet and outlet holes is insufficient, which is easy to cause the damage of internal components due to the entry of insects and foreign matters.

[0008] Therefore, the prior art has defects and needs to be improved. Utility model content

[0009] The utility model discloses a base station light stacking and contact system bus structure which overcomes at least part of the defects of the prior art.

[0010] The utility model discloses a technical scheme as follows: a base station light stacking and contact system bus structure is provided, comprising: a case shell and a case cover, the case cover is rotationally connected with the case shell, the case cover is closed on the case shell to form a waterproof sealed space, two guide rails, a first copper bar, a second copper bar, a third copper bar, a fourth copper bar and a grounding copper bar are arranged on the bottom plate in the case shell, a data acquisition circuit module, a control center module, an electric energy meter, a communication module, an air switch circuit breaker and an emergency stop trip switch are arranged on the guide rails, a positive cable of an adapter and a positive connection point of a battery pack are connected to the first copper bar, a negative cable of the adapter is connected to a terminal block of the data acquisition circuit module, a built-in copper bar of the data acquisition circuit module is connected to the second copper bar, the second copper bar is connected to the third copper bar, the third copper bar is connected to the air switch circuit breaker, the air switch circuit breaker is connected to the fourth copper bar for connecting to a negative terminal of the battery pack, one end of a lightning protection module is connected to the second copper bar, and the other end is connected to the first copper bar, a grounding point of the lightning protection module is connected to the bottom plate of the case shell.

[0011] Further, the case shell is also provided with a grounding nut, an emergency stop switch button, an antenna port and a plurality of incoming line waterproof terminals.

[0012] Further, the data acquisition circuit module is integrated with a fuse assembly, the data acquisition circuit module is provided with a detachable small cover plate, a fuse is arranged below the small cover plate, and a plurality of heat dissipation holes are formed in the shell of the data acquisition circuit module.

[0013] Further, the scheme further comprises a Hall current sensor, which is installed on the bottom plate inside the case shell through a mounting bracket and is penetrated by the second copper bar.

[0014] Further, the first copper bar, the second copper bar, the third copper bar and the fourth copper bar are arranged on the bottom plate of the case shell through insulation pieces respectively, and the grounding copper bar is arranged on the bottom plate of the case shell through screw fastening.

[0015] Further, the case cover is provided with a waterproof sealing strip corresponding to the case shell.

[0016] Further, the scheme further comprises a door lock, which is arranged on the right side of the case cover.

[0017] Further, the scheme further comprises a wall-hanging assembly and / or a clamp assembly, the wall-hanging assembly comprises two hanging plates arranged at two sides of the bottom of the cabinet shell respectively, and a hanging hole is formed on the hanging plate, and the clamp assembly comprises a metal clamp fixing piece arranged at the middle of the back of the cabinet shell.

[0018] With the above scheme, the beneficial effects of the utility model are as follows: 1. All the positive and negative cable adapters of the input cabinet are sequentially connected to fixed positions in different areas, and the positive and negative cables are completely separated and isolated in space, effectively avoiding the risk and safety hazard of wrong connection, missing connection and short connection; the stacked cable installation method can be used in space, avoiding the waste of cabinet volume caused by the flat laying of power wires, and effectively reducing the cost of the cabinet.

[0019] 2. All power cables in the cabinet are replaced by copper bars through reasonable layout, especially the design and structure of the lightning protection device module, which avoids cable stacking and disorder, making the cabinet more tidy; all functional modules are designed with a protective shell to avoid accidental short circuit, and the modular design enables efficient flow in production assembly, production inspection, shipment inspection, fault elimination, after-sales operation and other links, greatly reduces the production and after-sales costs, and improves the product value and competitiveness.

[0020] 3. The sealing structure is designed, and through the special design of the door plate and the wiring port, the cabinet realizes a high protection level, is not afraid of rain and the entry of foreign matters, and effectively protects the safe operation of the internal circuit structure.

[0021] 4. Compatible with two installation design methods, flexible installation accessories can meet the needs of all base station application scenarios and speed up the on-site construction progress. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure diagram of the power collection box in the open state of the cabinet cover of the first embodiment of the utility model.

[0023] Figure 2 It is a front view of the power collection box in the open state of the cabinet cover of the first embodiment of the utility model.

[0024] Figure 3 It is a front view of the power collection box in the closed state of the cabinet cover of the first embodiment of the utility model.

[0025] Figure 4 It is a rear view of the power collection box in the closed state of the cabinet cover of the first embodiment of the utility model.

[0026] Figure 5 It is a bottom view of the power collection box in the closed state of the cabinet cover of the first embodiment of the utility model.

[0027] Figure 6 Figure 2 is a structural schematic diagram of the power collection box in the open state of the cabinet cover of the second embodiment of the utility model. DETAILED DESCRIPTION

[0028] The utility model will be described in detail below in combination with the drawings and specific embodiments.

[0029] Please refer to 1 to Figure 5 In the embodiment, the utility model provides a kind of base station light folding and contact system power collection box structure, comprising: cabinet shell 1 and cabinet cover 3.The cabinet cover 3 is rotatably connected with the cabinet shell 1 by hinge 29, the cabinet cover 3 is covered on the cabinet shell 1 to form waterproof sealed space.Specifically, corresponding to the cabinet shell 1, waterproof sealing strip 27 is provided on the cabinet cover 3, and waterproof sealing function is realized by waterproof sealing strip 27 when closing cabinet cover 1.

[0030] Two guide rails 16, first copper bar 24, second copper bar 26, third copper bar 19, fourth copper bar 22 and grounding copper bar 18 are provided on the bottom plate inside the cabinet shell 1, wherein data acquisition circuit module 12, control center module 13, electric energy meter 14, communication module 17, air switch circuit breaker 20 and emergency stop trip switch 21 are all arranged on the guide rail 16.Specifically, control center module 13, electric energy meter 14 and communication module 17 are arranged on the same guide rail 16, and air switch circuit breaker 20 and emergency stop trip switch 21 are arranged on the other guide rail 16.The positive cable of adapter and the positive terminal point 23 of battery pack are connected to the first copper bar 24, the negative cable of adapter is connected with the terminal table 31 of data acquisition circuit module 12, and after passing through the internal circuit of data acquisition circuit module 12, it is connected with the second copper bar 26 through the built-in copper bar 33 of data acquisition circuit module 12, the second copper bar 26 is connected with the third copper bar 19, the third copper bar 19 is connected with one end of air switch circuit breaker 20, the other end of air switch circuit breaker 20 is connected with the fourth copper bar 22 for connecting with the negative terminal of battery pack, and the first copper bar 24 and the negative cable terminal table 31 are arranged above the space, which can meet the space requirement of cable lamination installation, one end of lightning protection module 9 is connected with the second copper bar 26, the other end is connected with the first copper bar 24, and the grounding point of lightning protection module 9 is connected with the bottom plate of cabinet shell 1.The lightning protection module of the scheme sets lightning protection device on a piece of PCB for realizing the lightning protection function of battery pack.

[0031] Further, the chassis shell is also provided with a grounding nut, an emergency stop switch button, an antenna port and a plurality of incoming line waterproof terminals.

[0032] Further, the data acquisition circuit module 12 is integrated with a fuse assembly, and a detachable small cover plate 25 is arranged on the data acquisition circuit module.

[0033] Further, the scheme further includes a Hall current sensor 15 installed on the bottom plate inside the chassis shell 1 through a mounting bracket 32 and penetrated by the second copper bar 26.

[0034] Further, the first copper bar 24, the second copper bar 26, the third copper bar 19 and the fourth copper bar 22 are arranged on the bottom plate of the chassis shell 1 through insulation pieces respectively, and the grounding copper bar 18 is arranged on the bottom plate of the chassis shell 1 through screw fastening.

[0035] Further, the scheme further includes a door lock 30 arranged on the right side of the chassis cover 3.

[0036] Further, the scheme further includes a wall hanging assembly and a clamp assembly, which can be selected according to actual installation needs.

[0037] Please refer to Figure 6 The second embodiment of the scheme further includes a second embodiment, in which the number of data acquisition circuit modules 12 equipped with fuse fuses is reduced compared with the previous embodiment, and the position of the grounding copper bar 18 is adjusted.

[0038] In summary, the beneficial effects of the scheme are as follows: 1. The positive and negative cables of all adapters input into the chassis are sequentially connected to fixed positions, and the positive and negative cables are completely separated and spatially isolated, effectively avoiding the risk of incorrect connection, missing connection and short circuit, and reducing the cost of materials and transportation.

[0039] 2、The inside of the cabinet is all power cable through reasonable layout using copper instead of, especially the design and construction of the lightning protection device module, avoid cable bunching and disorder, make the box more neat; all functional modules have design shell for protection, avoid accidental short circuit, at the same time because of modular design makes in production assembly, production inspection, delivery inspection, troubleshooting, after-sales operation and other links efficient flow, in the case of effectively improving the quality effect, greatly reduces the production and after-sales cost, also improves the product value and competitiveness.

[0040] 3. Focus on the design of sealing structure, through the special design of door plate and wiring port, the cabinet realizes high protection level, is not afraid of rain and the entry of foreign matters, effectively protects the safe operation of internal circuit structure;

[0041] 4. Compatible with two installation design methods, flexible collocation of installation accessories, meet the needs of all base station application scenarios, can speed up the construction progress.

[0042] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A base station optical and communication system junction box structure, characterized by, The utility model provides a kind of waterproof and lightning protection type battery pack monitoring device, including: cabinet shell and cabinet cover, the cabinet cover is rotatably connected with the cabinet shell, the cabinet cover covers on the cabinet shell makes that the waterproof closed space is formed, the bottom plate inside the cabinet shell is equipped with two guide rails, first copper bar, second copper bar, third copper bar, fourth copper bar and ground copper bar, data acquisition circuit module, control center module, electric energy meter, communication module, air switch circuit breaker and emergency stop trip switch are all arranged on the guide rail, the positive cable of adapter and the positive terminal point of battery pack are connected on the first copper bar, the negative cable of adapter and the terminal table of data acquisition circuit module are connected, the built-in copper bar of data acquisition circuit module is connected with the second copper bar, the second copper bar is connected with the third copper bar, the third copper bar is connected with the air switch circuit breaker, the air switch circuit breaker and the fourth copper bar for connecting with the negative terminal of battery pack are connected, one end of lightning protection module is connected with the second copper bar, the other end is connected with the first copper bar, the grounding point of lightning protection module is connected with the bottom plate of cabinet shell.

2. The base station optical and electrical integration system junction box structure of claim 1, wherein, The cabinet shell is also provided with a grounding nut, an emergency stop switch button, an antenna port and a plurality of waterproof terminals.

3. The base station optical and electrical integration system junction box structure of claim 1, wherein, The data acquisition circuit module is integrated with a fuse assembly, and the data acquisition circuit module is provided with a detachable small cover plate.

4. The base station stackable interconnection system junction box structure of claim 1, wherein, A Hall current sensor is also included, which is installed on the bottom plate inside the cabinet shell through a mounting bracket and is penetrated by the second copper bar.

5. The base station stackable interconnection system junction box structure according to any one of claims 1 to 4, characterized in that, The first copper bar, the second copper bar, the third copper bar and the fourth copper bar are each arranged on the bottom plate of the cabinet shell through an insulating member, and the ground copper bar is arranged on the bottom plate of the cabinet shell by screw fastening.

6. The base station stackable interconnection system junction box structure according to any one of claims 1 to 4, characterized in that, The cabinet cover is provided with a corresponding waterproof sealing strip corresponding to the cabinet shell.

7. The base station stackable interconnection system junction box structure according to any one of claims 1 to 4, characterized in that, A door lock is also included, which is arranged on the right side of the cabinet cover.

8. The base station stackable interconnection system junction box structure according to any one of claims 1 to 4, characterized in that, A wall-hanging assembly and / or a clamp assembly are also included, the wall-hanging assembly includes two hanging plates arranged on both sides of the bottom of the cabinet shell, and the hanging plates are formed with hanging holes. The clamp assembly includes a metal clamp fixing member arranged at the middle of the back of the cabinet shell.

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