CN215834639U

CN215834639U - Control circuit of BMS battery management integrated cabinet

Info

Publication number: CN215834639U
Application number: CN202121261753.XU
Authority: CN
Inventors: 宋峰; 宋杨; 李平; 张迪
Original assignee: Shenzhen Weilan New Energy Technology Co ltd
Current assignee: Shenzhen Weilan New Energy Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-15
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a control circuit of a BMS battery management integrated cabinet, relates to the technical field of pure electric energy storage, and solves the problems that the market of commercial and civil pure electric energy storage is more and more wide, and a proper pure electric energy storage device is urgently needed. The control circuit of the BMS battery management integrated cabinet comprises a main cabinet body; the whole main cabinet body is of a box-shaped structure, a battery module is fixedly arranged at the middle part of the main cabinet body through a bolt, and a control area is fixedly arranged at the upper part of the main cabinet body; the main cabinet body, the main cabinet body is including the cabinet door, fixed strip and inner fixed plate, and the main cabinet body rotates installs a cabinet door, and the main cabinet body bottom bolt fastening is provided with the fixed strip, and the internal portion bolt fastening of main cabinet has the inner fixed plate. The battery module and the control area are integrally arranged in the main cabinet body, so that the integration level is improved, the size of the device is more compact, and the device is convenient to move and transport.

Description

Control circuit of BMS battery management integrated cabinet

Technical Field

The utility model belongs to the technical field of pure electric energy storage, and particularly relates to a control circuit of a BMS battery management integrated cabinet.

Background

The electric energy storage technology is used in electric power system, and has the power consumption fluctuating and fault probability of power generating equipment considered, and can store excessive power for use in regulating power consumption.

If the application number is: in CN 201621240267.9's patent, disclosed battery energy storage container, including the box, the box includes battery compartment, electric storehouse and fire control passageway, is equipped with group battery and battery management system in the battery compartment, and battery compartment and electric storehouse all are equipped with fire extinguishing system and monitored control system, are equipped with cooling system in the battery compartment, and electric storehouse is equipped with the dc-to-ac converter. The battery energy storage container can realize the function of serving as a standby power supply by managing the battery pack through the battery management system, integrates the battery pack, the battery management system, the heat dissipation system, the inverter, the monitoring system and the fire fighting system, realizes the function of an energy storage power station, and has the advantages of strong set, simple system, strong environmental adaptability and safe and reliable operation.

Based on the above, the photovoltaic application of new energy and photovoltaic power generation is developed, the combination of photovoltaic and pure point energy storage or the step price of a power grid is balanced through a pure electric energy storage technology, the commercial and civil pure electric energy storage market is also wider and wider, the traditional energy storage device occupies a large area, the transportation is inconvenient, and a suitable pure electric energy storage device is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a control circuit of a BMS battery management integrated cabinet, which aims to solve the problems that a suitable pure electric energy storage device is urgently needed due to the fact that the combination of photovoltaic and pure point energy storage or the step price of a power grid is balanced through the pure electric energy storage technology in the development of new energy and photovoltaic application of photovoltaic power generation, the commercial and civil pure electric energy storage market is wider and wider, and the traditional energy storage device occupies a large area and is inconvenient to transport.

The purpose and the effect of the control circuit of the BMS battery management integrated cabinet are achieved by the following specific technical means:

the control circuit of the BMS battery management integrated cabinet comprises a main cabinet body; the whole main cabinet body is of a box-shaped structure, a battery module is fixedly arranged at the middle part of the main cabinet body through a bolt, and a control area is fixedly arranged at the upper part of the main cabinet body;

the cabinet comprises a main cabinet body, a cabinet door, a fixing strip and an inner fixing plate, wherein the main cabinet body is rotatably provided with the cabinet door, the fixing strip is fixedly arranged at the bottom of the main cabinet body through a bolt, and the inner fixing plate is fixedly arranged in the main cabinet body through a bolt; the battery module comprises a fixing frame, and the fixing frame is fixedly arranged in the middle of the battery module.

Further, the fixing strip is a rectangular strip of an L-shaped structure, bolt mounting hole sites are formed in the front portion and the rear portion of the bottom of the main cabinet body, and are arranged on the rear side of the top of the main cabinet body and fixed with the fixing strip through bolts.

Furthermore, the fixing frame is fixedly provided with a battery module, the battery module is provided with two sub-modules at intervals, the sub-modules are provided with a certain distance, and the bottom of the fixing frame is fixedly connected with the inner fixing plate through bolts.

Further, the control area comprises a control panel and a BMS battery management unit, the control panel is arranged on the side face of the control area, and the BMS battery management unit is communicated with the control panel.

Furthermore, the vertical array in the main cabinet body is provided with eight internal fixation plates, the top of each internal fixation plate is provided with a fixing frame, and eight battery modules are installed in the main cabinet body.

Furthermore, BMU battery management units are arranged in the battery modules and communicated with the control area circuit.

Further, control panel and the main cabinet body run through fixedly, and control panel runs through to the main cabinet body outside, and control panel is provided with led and shows electric quantity display and CAN socket.

Furthermore, a battery heating module and a battery pre-charging module are arranged in the control area, and the battery heating module and the battery pre-charging module are arranged in a reserved mode.

Further, the BMS battery management unit is in line communication with the BMU battery management unit, the BMS battery management unit is arranged at a certain interval from the periphery, and the BMS battery management unit is arranged at the upper part of the control area.

Furthermore, the control area is arranged at the top of the main cabinet body, the battery modules are vertically arranged at the lower part of the control area, and a certain interval is set between the battery modules and the control area.

The utility model at least comprises the following beneficial effects:

1. the battery module and the control area are integrated in the main cabinet body, so that the integration level is improved, the device is more compact in size, more suitable for commercial and civil use and convenient to move and transport, and is isolated from the periphery through the cabinet body frame, so that the device is safer and more reliable, the battery module and the control area in the main cabinet body are respectively provided with a certain interval, the ventilation in the main cabinet body is facilitated, the mutual interference of the internal devices is avoided, and the later maintenance is facilitated.

2. The main cabinet body is fixed with the periphery through the fixing strips, the main cabinet body is fixed against the wall or fixed on the ground in a fixing mode by adjusting the positions of the fixing strips, different use environments are compatible, the battery management unit and the BMS battery management unit detect information such as voltage, current, temperature and state of the battery, the battery is prevented from being overcharged and overdischarged, and the service life of the battery is prolonged.

Drawings

FIG. 1 is a schematic diagram of a control circuit according to the present invention.

Fig. 2 is a schematic three-dimensional structure diagram of the main cabinet body of the utility model.

Fig. 3 is a schematic three-dimensional structure of a battery module according to the present invention.

FIG. 4 is a schematic diagram of a control area control circuit according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main cabinet body; 101. a cabinet door; 102. a fixing strip; 103. an inner fixing plate; 2. a battery module; 201. a fixed mount; 202. a BMU battery management unit; 3. a control area; 301. a control panel; 302. a BMS battery management unit; 303. a battery heating module; 304. a battery pre-charge module.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to 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 thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 4:

the utility model provides a control circuit of a BMS battery management integrated cabinet, which comprises a main cabinet body 1; the whole main cabinet body 1 is of a box-shaped structure, a battery module 2 is fixedly arranged at the middle part of the main cabinet body 1 through bolts, and a control area 3 is fixedly arranged at the upper part of the main cabinet body 1;

the battery pack cabinet comprises a main cabinet body 1, wherein the main cabinet body 1 comprises cabinet doors 101, fixing strips 102 and an inner fixing plate 103, one cabinet door 101 is rotatably installed on the main cabinet body 1, the fixing strips 102 are fixedly arranged at the bottom of the main cabinet body 1 through bolts, the inner fixing plate 103 is fixedly arranged in the main cabinet body 1 through bolts, eight inner fixing plates 103 are vertically arranged in the main cabinet body 1 in an array mode, fixing frames 201 are arranged at the tops of the inner fixing plates 103, eight battery modules 2 are installed in the main cabinet body 1, and the battery pack cabinet is in a modular design and large in capacity;

the battery module 2 comprises a fixing frame 201, the middle part of the battery module 2 is fixedly provided with the fixing frame 201, the fixing frame 201 is fixedly provided with one battery module 2, the battery module 2 is provided with two sub-modules at intervals, the sub-modules are provided with a certain interval, and the bottom of the fixing frame 201 is fixedly connected with the inner fixing plate 103 through bolts, so that the battery module is convenient to disassemble and maintain;

control area 3 includes control panel 301 and BMS

battery management unit

302, 3 sides in control area are provided with control panel 301, control panel 301 intercommunication is provided with BMS battery management unit 302, control panel 301 runs through fixedly with the main cabinet body 1, control panel 301 runs through to the main cabinet body 1 outside, control panel 301 is provided with led and shows electric quantity display and CAN socket, product information uploads through the CAN, BMS battery management unit 302 and BMU battery management unit 202 circuit intercommunication, BMS battery management unit 302 sets for certain interval with around, BMS battery management unit 302 is in 3 upper portions in control area and avoids internal device mutual interference, 3 inside battery heating module 303 and the battery pre-charging module 304 that are provided with in control area, battery heating module 303 and battery pre-charging module 304 are the reservation setting, match according to customer's demand, fully consider the customer demand in different regions.

Wherein, the fixed strip 102 is a rectangular strip of L-shaped structure, bolt installation hole sites have all been seted up at the front portion and the rear portion in the bottom of the main cabinet body 1, the rear side at the top of the main cabinet body 1 is provided with bolt installation hole sites, bolt installation hole sites and fixed strip 102 bolt, main cabinet body 1 is fixed with bolt on every side through fixed strip 102, through the position of adjustment fixed strip 102, fixed strip 102 is the fixed mode in ground in the department around the main cabinet body 1 bottom, fixed strip 102 is the fixed mode by the wall at the main cabinet body 1 top and front portion, compatible different service environment.

The BMU battery management units 202 are arranged in the battery modules 2, the BMU battery management units 202 are communicated with the control area 3 through lines, and the BMU battery management units 202 and the BMS battery management units 302 detect information of voltage, current, temperature, state and the like of the batteries, so that overcharge and overdischarge of the batteries are prevented, and the service life of the batteries is prolonged.

The control area 3 is located at the top of the main cabinet body 1, the battery modules 2 are vertically arranged at the lower portion of the control area 3, a certain interval is set between the battery modules 2 and the control area 3, air circulation inside the main cabinet body 1 is facilitated, states of internal devices are conveniently checked, and later maintenance is facilitated.

The specific use mode and function of the embodiment are as follows:

in the utility model, 8-pack lithium iron phosphate battery modules 2 are used, 64 batteries are used, the modular design is adopted, the capacity is large, the safety is high, the noise is low, the parallel connection is supported, when the device is used, a product is placed at a dry, ventilated, rain-sheltered and shady indoor position, the product information is uploaded through a CAN (controller area network), the cloud-side checking CAN be realized, the use states such as the electric quantity and the like CAN be checked through a control panel 301, the device has an insulation detection function, the battery modules 2 and the control area 3 are integrated and arranged in the main cabinet body 1, the integration level is improved, the volume of the device is reduced, the device is isolated from the periphery through the main cabinet body 1 framework, the device is safer and more reliable, certain intervals are arranged between the battery modules 2 and the control area 3 in the main cabinet body 1, the air circulation in the main cabinet body 1 is facilitated, the mutual interference of the internal devices is avoided, the states of the internal devices are conveniently checked, the later maintenance is convenient, the main cabinet body 1 is fixed with the peripheral bolts through the fixing strips 102, through the position of adjustment fixed strip 102, fixed strip 102 is the fixed mode on ground in the front and back department of the main cabinet body 1 bottom, fixed strip 102 is the fixed mode by the wall in main cabinet body 1 top and front portion, compatible different service environment, BMU battery management unit 202 and BMS battery management unit 302 detect the information such as voltage, electric current, temperature and state of battery, prevent that the battery from appearing overcharging and overdischarging, extension battery life, external inverter uses, regard photovoltaic power generation or commercial power as the electrical load storage electric power, when needing to use electricity as power generation power release electric power, the parallelly connected use of battery cabinet, in parallel application, when a certain battery cabinet breaks down, other still can normal operating, battery pre-charge module 304 and battery heating module 303 are the reservation setting, according to customer's demand match, fully consider the customer demand in different regions.

The utility model is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

The control circuit of BMS battery management integrated cabinet, its characterized in that: the control circuit of the BMS battery management integrated cabinet comprises a main cabinet body;

the whole main cabinet body is of a box-shaped structure, a battery module is fixedly arranged at the middle part of the main cabinet body through a bolt, and a control area is fixedly arranged at the upper part of the main cabinet body;

the cabinet comprises a main cabinet body and a cabinet door, wherein the main cabinet body comprises a cabinet door, a fixing strip and an inner fixing plate;

the battery module comprises a fixing frame, and the fixing frame is fixedly arranged in the middle of the battery module.
2. The BMS battery management integrated cabinet control circuit of claim 1, wherein the fixing bar is a rectangular strip with an L-shaped structure, bolt mounting holes are formed in the front and the rear of the bottom of the main cabinet body, bolt mounting holes are formed in the rear of the top of the main cabinet body, and the bolt mounting holes are fixed to the fixing bar through bolts.
3. The BMS battery management integrated cabinet control circuit according to claim 1, wherein the fixing frame is fixedly provided with one battery module, the battery module is provided with two sub-modules at intervals, the sub-modules are provided with a certain distance, and the bottom of the fixing frame is fixedly connected with the inner fixing plate through bolts.
4. The BMS battery management integrated cabinet control circuit as claimed in claim 1, wherein said control area comprises a control panel and a BMS battery management unit, the control panel is disposed at the side of the control area, and the BMS battery management unit is connected to the control panel.
5. The BMS battery management integrated cabinet control circuit according to claim 1, wherein eight internal fixing plates are vertically arranged in the main cabinet body, a fixing frame is arranged on the top of each internal fixing plate, and eight battery modules are arranged in the main cabinet body.
6. The BMS battery management integrated cabinet control circuit of claim 1, wherein the battery modules each have a BMU battery management unit disposed therein, the BMU battery management unit being in communication with the control area circuitry.
7. The BMS battery management integrated cabinet control circuit as in claim 4, wherein the control panel is fixed to the main cabinet body in a penetrating manner, the control panel penetrates to the outside of the main cabinet body, and the control panel is provided with an led display power display and a CAN socket.
8. The control circuit of the BMS battery management integrated cabinet according to claim 1, wherein a battery heating module and a battery pre-charging module are provided inside the control area, and the battery heating module and the battery pre-charging module are provided in advance.
9. The BMS battery management integrated cabinet control circuit of claim 4, wherein the BMS battery management unit is in line communication with the BMU battery management unit, the BMS battery management unit is spaced apart from the surroundings, and the BMS battery management unit is located at the upper portion of the control area.
10. The BMS battery management integrated cabinet control circuit of claim 1, wherein the control area is located at a top position of the main cabinet body, the battery modules are vertically arranged at a lower portion of the control area, and the battery modules are set at a certain interval from the control area.