Novel high-voltage box

Abstract

The utility model discloses a novel high-voltage box, which comprises a first null line and a first live wire which are electrically connected with a USP power supply, and a second null line and a second live wire which are electrically connected with an external power supply, the first null line, the first live wire, the second null line and the second live wire are electrically connected with the main power distribution circuit breaker; the first zero line and the first live line are also electrically connected with a surge backup protection circuit breaker electrically connected with the surge protector circuit, a PCS power supply circuit breaker electrically connected with the PCS, a BMS power supply circuit breaker electrically connected with the BMS, an EMS all-in-one machine power supply circuit breaker electrically connected with the EMS all-in-one machine and an illuminating lamp circuit breaker electrically connected with the energy storage cabinet illuminating lamp, which are connected in parallel; and the second null line and the second live wire are also electrically connected with a liquid cooling unit power supply circuit breaker. According to the utility model, the high-voltage box and the power distribution device are integrated, the occupied space is relatively small, the space can be saved, and installation and maintenance are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the electrical field especially is related to a novel high voltage box. BACKGROUND

[0002] The high voltage box needs to adopt advanced power electronic devices and circuit topology to realize the charge and discharge control of the battery energy storage. This needs to consider the withstand voltage, current resistance, circuit breaker speed and other performances of the power electronic devices, as well as the efficiency, stability and reliability of the circuit topology.

[0003] In terms of battery management system, the high voltage box needs to be used with the battery management system to realize the real-time monitoring and safety management of the battery state.

[0004] However, the existing high voltage box has the following problems:

[0005] 1. Single function, only for the charge and discharge function of the battery energy storage, and a large space is not utilized.

[0006] 2. Single integration, the intelligence degree of the traditional high voltage box is relatively low, and remote monitoring and automatic control cannot be realized. This increases the difficulty of manual operation and maintenance, and also reduces the work efficiency. INVENTION CONTENTS

[0007] To solve the above technical problems, the utility model provides a novel high voltage box.

[0008] The purpose of the utility model is realized through the following technical schemes:

[0009] A novel high voltage box, including first zero line and first fire line with USP power supply electric connection and second zero line and second fire line with external power supply electric connection, first zero line, first fire line, second zero line and second fire line are electrically connected with main distribution circuit breaker, first zero line and first fire line are still electrically connected with parallel with surge protector circuit electric connection's surge backup protection circuit breaker, with PCS electric connection's PCS power supply circuit breaker, with BMS electric connection's BMS power supply circuit breaker, with EMS all-in-one machine electric connection's EMS all-in-one machine power supply circuit breaker and with energy storage cabinet lighting lamp electric connection lighting lamp circuit breaker, second zero line and second fire line still electrically connected with liquid cooling unit power supply circuit breaker.

[0010] Further improvement, the electric control board of BMS is connected with EMS all-in-one machine through RS bus communication, and each circuit breaker is electrically connected through circuit breaker feedback line and is electrically connected with fault indicator.

[0011] Further improvement, the model of the electric control board of BMS is ESBCM-F--S.

[0012] Further improvement, the electric control board of the BMS is also electrically connected with a BMM power supply, a switch power supply and a controller power supply, and the BMM power supply, the switch power supply and the controller power supply are electrically connected with running indicator lights.

[0013] Further improvement, the high-voltage box comprises a box body, and the main distribution circuit breaker, the surge backup protection circuit breaker, the PCS power supply circuit breaker, the BMS power supply circuit breaker, the EMS all-in-one machine power supply circuit breaker, the liquid cooling unit power supply circuit breaker, the surge protector, the fault indicator light and the running indicator light are all installed at the front end of the box body.

[0014] Further improvement, handles are installed on both sides of the front end of the box body.

[0015] The utility model has the advantages that:

[0016] 1. Integration: Traditional high-voltage boxes and power distribution equipment usually require a large area, which limits the layout of the energy storage cabinet. The new power distribution type high-voltage box integrates the high-voltage box and the power distribution device, occupies relatively small space, saves space, and is convenient to install and maintain.

[0017] 2. Safety: Traditional high-voltage boxes and power distribution devices have certain risks in terms of safety, such as inconvenient operation and easy arc fault. Therefore, the development of a new power distribution type high-voltage box can improve the safety of the energy storage system.

[0018] 3. Flexibility: The power distribution device can distribute high-voltage power according to actual needs to meet the power needs of different low-voltage electrical equipment.

[0019] 4. Economy: The integration of power distribution equipment saves space and reduces costs. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described by using the drawings, but the contents in the drawings do not constitute any limitation on the utility model.

[0021] Fig. 1 It is a front structure diagram of the box body;

[0022] Fig. 2 It is a circuit connection schematic diagram of the circuit breaker;

[0023] Fig. 3 It is a circuit connection structure schematic diagram of the electric control board of the BMS. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model will be further described in detail in combination with the drawings and examples.

[0025] Example 1

[0026] As Figs. 1-3 A new high-voltage box, which comprises a first neutral line N01 and a first live wire L01, a second neutral line N02, a second live wire L02, a main distribution circuit breaker 1, a surge backup protection circuit breaker 2, a PCS power supply circuit breaker 3, a BMS power supply circuit breaker 4, an EMS all-in-one machine power supply circuit breaker 5, a liquid cooling unit power supply circuit breaker 6, a surge protector 7, a fault indicator 8, an operation indicator 9, a storage cabinet lighting lamp 10, a lighting lamp circuit breaker 11, a fuse 12, a handle 17, an electric control panel 13 of the BMS, an RS485 bus 14, a circuit breaker feedback line 15, a box body 16 and the handle 17.

[0027] The first neutral line N01, the first live wire L01, the second neutral line N02 and the second live wire L02 are electrically connected to the main distribution circuit breaker 1 and are electrically connected to the fuse 12; the first neutral line N01 and the first live wire L01 are further electrically connected to the surge backup protection circuit breaker 2 which is electrically connected to the circuit of the surge protector 7, the PCS power supply circuit breaker 3 which is electrically connected to the PCS, the BMS power supply circuit breaker 4 which is electrically connected to the BMS, the EMS all-in-one machine power supply circuit breaker 5 which is electrically connected to the EMS all-in-one machine and the lighting lamp circuit breaker 11 which is electrically connected to the storage cabinet lighting lamp 10; the second neutral line N02 and the second live wire L02 are further electrically connected to the liquid cooling unit power supply circuit breaker 6.

[0028] The electric control panel 13 of the BMS is in communication connection with the EMS all-in-one machine through the RS485 bus 14, is electrically connected to each circuit breaker through the circuit breaker feedback line 15 and is electrically connected to the fault indicator 8.

[0029] The model of the electric control panel 13 of the BMS is ESBCM-F133-L-S.

[0030] The electric control panel 13 of the BMS is further electrically connected to a BMM power supply, a switch power supply and a controller power supply, and the BMM power supply, the switch power supply and the controller power supply are electrically connected to the operation indicator 9.

[0031] The high-voltage box comprises the box body 16, and the main distribution circuit breaker 1, the surge backup protection circuit breaker 2, the PCS power supply circuit breaker 3, the BMS power supply circuit breaker 4, the EMS all-in-one machine power supply circuit breaker 5, the liquid cooling unit power supply circuit breaker 6, the surge protector 7, the fault indicator 8 and the operation indicator 9 are all installed at the front end of the box body 16. The handle 17 is installed on both sides of the front end of the box body 16 to facilitate pushing and pulling the box body.

[0032] The utility model integrates the charging and discharging function of the traditional high-voltage box and power distribution, and has the advantages of integration, safety, flexibility and economy. The utility model saves space and reduces cost, and meets the power demand of different low-voltage electrical equipment.

[0033] It should be explained finally that the above embodiment is only used for explaining the technical scheme of the utility model and is not for limiting the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical scheme of the utility model.

Claims

1. A new high pressure tank characterized in that, The first zero line (N01) and the first fire line (L01) are electrically connected with the USP power supply, and the second zero line (N02) and the second fire line (L02) are electrically connected with the external power supply; the first zero line (N01), the first fire line (L01), the second zero line (N02) and the second fire line (L02) are all electrically connected with the main power distribution circuit breaker (1); the first zero line (N01) and the first fire line (L01) are further electrically connected with the surge backup protection circuit breaker (2) electrically connected with the surge protector (7) circuit, the PCS power supply circuit breaker (3) electrically connected with the PCS, the BMS power supply circuit breaker (4) electrically connected with the BMS, the EMS all-in-one machine power supply circuit breaker (5) electrically connected with the EMS all-in-one machine and the lighting lamp circuit breaker (11) electrically connected with the energy storage cabinet lighting lamp (10); the second zero line (N02) and the second fire line (L02) are further electrically connected with the liquid cooling unit power supply circuit breaker (6).

2. The novel high pressure tank of claim 1, wherein, The electric control board (13) of the BMS is communicated with the EMS all-in-one machine through the RS485 bus (14), and is electrically connected with each circuit breaker through the circuit breaker feedback line (15) and is electrically connected with the fault indicator light (8).

3. The novel high pressure tank of claim 2, wherein, The model of the electric control board (13) of the BMS is ESBCM-F133-L-S.

4. The novel high pressure tank of claim 2, wherein, The electric control board (13) of the BMS is further electrically connected with the BMM power supply, the switch power supply and the controller power supply, and the BMM power supply, the switch power supply and the controller power supply are electrically connected with the running indicator light (9).

5. The novel high pressure tank as claimed in claim 1, wherein, The high-voltage box comprises a box body (16), and the main power distribution circuit breaker (1), the surge backup protection circuit breaker (2), the PCS power supply circuit breaker (3), the BMS power supply circuit breaker (4), the EMS all-in-one machine power supply circuit breaker (5), the liquid cooling unit power supply circuit breaker (6), the surge protector (7), the fault indicator light (8) and the running indicator light (9) are all installed at the front end of the box body (16).

6. The novel high pressure tank of claim 5, wherein, The box body (16) is provided with a handle (17) on each side of the front end.

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