CN219610617U

CN219610617U - Stacked high-voltage energy storage lithium battery

Info

Publication number: CN219610617U
Application number: CN202320224503.1U
Authority: CN
Inventors: 潘赞明; 程家毅; 蔡振波; 刘峰; 齐云峰
Original assignee: Hangzhou Jisu Electronics Co ltd
Current assignee: Hangzhou Jisu Electronics Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-08-29
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses a stacked high-voltage energy storage lithium battery, which relates to the technical field of energy storage lithium batteries and comprises a supporting layer, a battery layer arranged on the supporting layer and a high-voltage device arranged at the top end of the battery layer, wherein the high-voltage device comprises a high-voltage box arranged at the top end of the battery layer, a chip is arranged at the inner bottom of the high-voltage box, a host and a power supply are arranged at one side of the chip, the host and the power supply are respectively arranged on a support and a mounting rack, an insert is arranged at one side of the chip far away from the host, the insert is arranged on the mounting box, four groups of holes Ma Lun are arranged at the bottom end of the supporting layer, three groups of battery layers are sequentially stacked, the battery layer is 288V50Ah in single-layer battery specification, the battery layer comprises a battery box, the occupied space is small, the occupied area is effectively reduced, the use is safe, the use is convenient, the economy effect is good, the viewing is convenient, the mounting and the power storage capacity can be randomly increased.

Description

Stacked high-voltage energy storage lithium battery

Technical Field

The utility model relates to the technical field of energy storage lithium battery machines, in particular to a stacked high-voltage energy storage lithium battery.

Background

In the prior art, an outdoor box-type energy storage battery power station is generally adopted to store an energy storage battery module, the outdoor box-type energy storage battery power station is complex in structure, large in occupied area and high in construction cost, heat cannot be timely emitted in a high-temperature environment in summer, and safety accidents are easy to occur. When a plurality of battery modules are stacked for use, the conventional cabinet or rack is fixed in general specification, flexible space expansibility is not available, space waste is sometimes caused, meanwhile, the general battery modules are provided with external independent positive input/output ports, negative input/output ports and communication input/output ports, each interface is required to be connected with a corresponding plug and socket and a cable, connection reliability, waterproof performance and long-term plugging failure rate are required to be pushed and knocked, the connection of a plurality of cables causes complex circuits among the battery modules, meanwhile, the resistance value of the whole power transmission circuit is increased, and energy is unnecessarily consumed.

Disclosure of Invention

The utility model aims to provide a stacked high-voltage energy storage lithium battery so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stacked high-voltage energy storage lithium cell, includes the supporting layer and establishes the battery layer on the supporting layer to and establish the high-voltage device on battery layer top, the high-voltage device is including establishing the high-voltage box on battery layer top, the high-voltage box inner bottom is equipped with the chip, chip one side is equipped with host computer and power, host computer and power are established respectively on support and mounting bracket, chip is kept away from host computer one side and is equipped with the plug-in components, the plug-in components are established on the mounting box.

Preferably, four groups of happiness Ma Lun are arranged at the bottom end of the supporting layer.

Preferably, the battery layer is provided with three groups which are sequentially stacked, the specification of a single battery layer battery of the battery layer is 288V50Ah, and the battery layer comprises a battery box.

Preferably, the high-voltage box is arranged on the topmost battery layer battery box.

Preferably, the chip is a high-voltage integrated board, the host is a BMS host, and the power supply is a V DC-DC.

Preferably, the support is used for connecting the host computer and the high-pressure tank, and the support is connected with the high-pressure tank.

Preferably, the mounting frame is used for connecting a power supply and the high-voltage box, the mounting frame is connected to the high-voltage box, and the plug-in components are four-core and eight-pin plug-in components.

Compared with the prior art, the utility model has the beneficial effects that:

1. the occupied space is small, and the occupied area is effectively reduced;

2. the use is safe, the collision with other objects is reduced, the space heat dissipation effect is good, and no pollution is discharged;

3. the power supply is convenient to use, can be directly used when power is off during power failure, and can supply power in time;

4. the economic effect is good, and if the solar energy charging is installed, the energy consumption cost can be effectively reduced;

5. the display screen is convenient to watch, real-time information of the battery can be effectively and timely checked, and the service condition of the battery is known;

6. the installation is dismantled conveniently, can increase the electric capacity at random, if which layer breaks down, is convenient for change. Wheels are arranged at the bottom of the movable stand, so that the movable stand is convenient to move.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of a battery layer according to the present utility model;

fig. 3 is a schematic view of the structure of the high-voltage device in the present utility model.

In the figure: 1. a support layer; 2. a battery layer; 21. a cell platen; 22. a control board; 23. a compartment; 24. a connecting piece; 25. a handle; 26. a mounting box; 27. a battery cell module; 28. a case cover; 29. a mounting plate; 210 a plug; 211. a battery box; 3. a high pressure device; 31. a high pressure tank; 32. a chip; 33. a host; 34. a power supply; 35. a bracket; 36. a mounting frame; 37. an insert; 38. and (3) a mounting box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a stacked high-voltage energy storage lithium battery comprises a supporting layer 1, a battery layer 2 arranged on the supporting layer 1, and a high-voltage device 3 arranged at the top end of the battery layer 2, wherein the high-voltage device 3 comprises a high-voltage box 31 arranged at the top end of the battery layer 2, a chip 32 is arranged at the inner bottom of the high-voltage box 31, a host 33 and a power supply 34 are arranged at one side of the chip 32, the host 33 and the power supply 34 are respectively arranged on a bracket 35 and a mounting frame 36, an insert 37 is arranged at one side, far away from the host 33, of the chip 32, and the insert 37 is arranged on a mounting box 38.

The supporting layer 1 is connected with the total negative electrode, the supporting layer 1 is provided with a plug connector connected with the battery layer 2, the model is the same as that of the plug connector on the battery layer 2, the bottom end of the supporting layer 1 is provided with four groups of Fuma wheels, the supporting layer 1 is a basic component part of the whole energy storage system, the supporting layer plays a role of connecting the whole circuit in series, any high-voltage system is required to be provided with the supporting layer, the design of the plug connector on the cover of the supporting layer 1 is the same as that of the cover of the battery layer, and the size and assembly errors are consistent. The difference is that a fuse is added on the mounting plate matched with the box cover of the supporting layer, and the whole system is used for short-circuit protection. The U-shaped reinforcing plate is designed at the corresponding position of the box body internally provided with the Fu Ma Lun of the supporting layer 1, the bearing capacity of the whole supporting layer can be greatly enhanced by the reinforcing plate, the stable operation of the system is ensured, 4F 60 Fu Ma Lun are fixed on the supporting layer through 16M 6 x 12mm bolts, and the whole system has great reliability and flexibility no matter being placed in one place for a long time or lost and moved due to the characteristics of the Fu horse wheels.

The battery layer 2 is provided with three groups which are sequentially stacked, the battery specification of a single battery layer of the battery layer 2 is 96V50Ah, and the battery layer 2 comprises a battery box 211. The battery layers can be selected according to different voltage requirements, the battery specification of each battery layer is 96V50Ah, and the battery core is selected from lithium iron phosphate A battery core, which is 30 strings in total. The battery layers are connected in series, so that the high-voltage system can form 96V50Ah, 192V50Ah, 288V50Ah, … … and 96 NV50Ah, three layers of 288V50Ah are taken as an example, and the rest high-voltage energy storage systems capable of forming 96 NV50Ah are protected by 288V50Ah in the same patent; the battery layer 2 is mainly used for placing the battery cell and the position of a slave control board, the appearance of the battery box 211 is assembled in a closed mode, 4-cell 8-pin (female seat) opposite plug-ins are reserved on the box cover 28 and used for connecting other battery boxes of the battery or directly connecting the high-voltage box 31, 4-cell 8-pin (male head) opposite plug-ins are reserved below the box body of the battery box 211 and used for connecting other battery boxes 211 or the support layer 1, handles 25 are arranged on two sides of the battery box 211, the handles 25 are ABS plastic handles, and the handles 25 are embedded in design, so that the appearance is smoother and is not protruded, and the assembly is easy. The open pore of the battery box 211 box cover is a countersunk hole, so that the assembly tolerance of normal connection of the 4-core 8-pin connector is not influenced, and the connection part of the two boxes at least meets the basic assembly requirement: in addition, the appearance of the battery box 211 is folded at the upper edge, each edge is welded with 2 small lifting lugs, and the lifting lugs play an important role in assembly and installation.

The battery box 211 is internally provided with a battery core pressing plate 21, 2 groups of slave control BMS control boards 22 are arranged on the battery core pressing plate 21, a battery core fixing compartment 23 is arranged on one side of the battery core pressing plate 21, a connecting piece 24 is arranged on the battery box 211 on one side of the compartment 23, the connecting piece 24 is arranged on a mounting box 26, a battery core module 27 is arranged on the battery box 211 on one side of the connecting piece 24, a box cover 28 for sealing the battery box 211 is arranged on the battery box 211 above the battery core module 7, a mounting plate 29 is arranged on the box cover 28, an inserting connector 210 is arranged on the mounting plate 29, the connecting piece 24 is a 4-core 8-needle male connector, the inserting connector 210 is a 4-core 8-needle female socket connector, and both the mounting box 26 and the mounting plate 29 are arranged on the battery box 211;

baffle, mounting box 26 are the assembly part, baffle below and box cooperation department have M5 welded nut, and open bottom half has 5.5 counter sunk hole, fixes the baffle through M5 screw from the box outside, and the baffle is movable, mainly is for assembling the plug-in components more easily, improves assembly efficiency, and the clamp plate compresses tightly the electric core on being the baffle through 8M 5 bolt fastening, is BMS slave control panel 22 on the clamp plate, and 4 core 8 needle connectors on accessible battery case 211 bottom half and the case lid 8 carry out signal transmission. The box cover 8 is provided with the female socket connector 210, the female socket connector is fixed on the box cover 8 through a mounting plate, and the position of the connector relates to the assembly of the upper box body and the lower box body, so the size requirement is strict, therefore, the 4-core 8-pin male and female socket connectors are assembled movably, on one hand, the connector connectors are convenient to replace and match with various plugs, on the other hand, the connector connectors and the female socket of different types can be replaced only by selecting and matching the mounting plate 9 on the box cover 8 or the box body mounting box 6, and on the other hand, if the corresponding mounting position is oversized due to the problem of metal plates, the connector connectors can be replaced through the adjusting mounting plate 29, and the whole battery box 211 is not reworked.

The high-voltage box 31 is arranged on the battery box of the topmost group of battery layers 2, the high-voltage box is a control pivot of the whole high-voltage system, all signal processing and high-voltage components are arranged in the high-voltage box 31, the external structure is mainly various control switches, the monitoring screen is fixed on the box body of the high-voltage box 31 through 4M 3 black screws, the whole screen is embedded on the box body of the high-voltage box 31, the surface of the monitoring screen and the box body surface are on the same horizontal plane, the high-voltage box 31 is also provided with leakage protection, the whole system can be subjected to secondary protection, the main output surface and the leakage protection surface are of concave design, and the connectors can be protected to be damaged by false collision to a certain extent on the premise that the appearance is more complete; 4 supports are welded at the bottom of the high-pressure box 31, and 4 press-riveting nut columns with M4 x 12 are pressed on the supports and used for fixing the high-pressure integrated plate, so that the requirement of overlong nut columns is avoided, and the use requirement can be met only by pressing conventional nut columns; the bottom of the high-voltage box 31 is provided with a jack of a 4-core 8-pin connector so as to introduce the secondary control system signal and the main circuit power line of the battery box into the high-voltage box.

The chip 32 is a high-voltage integrated board, the chip 32 is a charging control relay, a discharging control relay, a pre-charging control relay, a secondary protection relay, a power supply control relay and a fuse, all control and sampling lines pass through a PCB, the host 33 is a BMS host, and the power supply 34 is 12V DC-DC.

The bracket 35 is used for connecting the host 33 and the high-pressure tank 31, and the bracket 35 is connected with the high-pressure tank 31.

The mounting frame 36 is used for connecting the power supply 34 and the high-voltage box 31, the mounting frame 36 is connected to the high-voltage box 31, and the plug-in unit 37 is a four-core plus eight-pin plug-in unit.

All the battery box 211 modules are arranged on the supporting layer 1 in the sequence from bottom to top, after all the battery boxes are stacked, the joint of each layer of battery box 211 is connected by using M5 countersunk screws, and the weight of each battery module is 47kg. When the battery module is installed, if no lifting equipment is needed to arrange 2 persons or more, the battery module is installed at a higher position, and 3 persons or more are needed to be arranged;

6. the occupied space is small, and the occupied area is effectively reduced;

7. the use is safe, the collision with other objects is reduced, the space heat dissipation effect is good, and no pollution is discharged;

8. the power supply is convenient to use, can be directly used when power is off during power failure, and can supply power in time;

9. the economic effect is good, and if the solar energy charging is installed, the energy consumption cost can be effectively reduced;

10. the display screen is convenient to watch, real-time information of the battery can be effectively and timely checked, and the service condition of the battery is known;

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stacked high-voltage energy storage lithium cell, includes supporting layer (1) and establishes battery layer (2) on supporting layer (1), and establishes high-voltage device (3) on battery layer (2) top, its characterized in that: the high-voltage device (3) comprises a high-voltage box (31) arranged at the top end of the battery layer (2), a chip (32) is arranged at the inner bottom of the high-voltage box (31), a host (33) and a power supply (34) are arranged on one side of the chip (32), the host (33) and the power supply (34) are respectively arranged on a support (35) and a mounting frame (36), an insert (37) is arranged on one side, far away from the host (33), of the chip (32), and the insert (37) is arranged on a mounting box (38).

2. The stacked high voltage energy storage lithium battery of claim 1, wherein: four groups of happiness Ma Lun are arranged at the bottom end of the supporting layer (1).

3. The stacked high voltage energy storage lithium battery of claim 1, wherein: the battery layer (2) is provided with three groups which are sequentially stacked, the battery specification of the single-layer battery layer of the battery layer (2) is 96V50Ah, and the battery layer (2) comprises a battery box.

4. The stacked high voltage energy storage lithium battery of claim 1, wherein: the high-voltage box (31) is arranged on the battery box of the topmost group of battery layers (2).

5. The stacked high voltage energy storage lithium battery of claim 1, wherein: the chip (32) is a high-voltage integrated board, the host (33) is a BMS host, and the power supply (34) is 12V DC-DC.

6. The stacked high voltage energy storage lithium battery of claim 1, wherein: the support (35) is used for connecting the host machine (33) and the high-pressure tank (31), and the support (35) is connected with the high-pressure tank (31).

7. The stacked high voltage energy storage lithium battery of claim 1, wherein: the mounting frame (36) is used for connecting the power supply (34) and the high-voltage box (31), the mounting frame (36) is connected to the high-voltage box (31), and the plug-in unit (37) is a four-core plus eight-pin plug-in unit.