CN220856733U

CN220856733U - New energy battery module

Info

Publication number: CN220856733U
Application number: CN202322430172.XU
Authority: CN
Inventors: 刘萨莎
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-26
Anticipated expiration: 2033-09-07

Abstract

The utility model discloses a new energy battery module, comprising: the battery pack comprises a frame body and single batteries, wherein the inner side of the frame body is equidistantly provided with placing grooves, the single batteries are placed on the inner wall of the placing grooves, the single batteries are longitudinally connected in series, the adjacent single batteries are longitudinally connected in parallel, a cavity is formed in the bottom end of the frame body, through grooves corresponding to the placing grooves are formed in the cavity, the inner wall of the frame body is fixedly connected with a cover plate through a plurality of bolts, the top end of the cover plate is fixedly connected with a pump body, the output end of the pump body is fixedly connected with a return pipe, four sides of the return pipe are communicated with the inner side of the frame body.

Description

New energy battery module

Technical Field

The utility model relates to the technical field of new energy automobiles, in particular to a new energy battery module.

Background

The utility model provides a new energy automobile battery just uses new energy technology to reduce the novel automobile battery of "greenhouse gas" emission pollution, in order to satisfy electric automobile's continuation of journey mileage requirement and reach predetermined voltage and capacity, need carry out series connection or parallelly connected with a plurality of lithium ion batteries, constitute power battery module, temperature control is especially important in the new energy battery module field, current battery module temperature control device, according to current patent (CN 212062624U) a new energy battery module discloses, pack a battery cooling plate between two battery cells, design the inlet at one end, the liquid outlet is designed to the other end, its problem that exists is, get into the coolant when the inlet, initial coolant temperature is low, along with the coolant flow dispersion gets into parallelly connected pipeline, the temperature of coolant can rise fast, the temperature is higher before making the coolant reach the liquid outlet, can't cool down to the rear end, lead to the temperature of liquid outlet department to obtain releasing, thereby lead to the local high condition of temperature of battery module. Therefore, we propose a new energy battery module.

Disclosure of utility model

The utility model aims to provide a new energy battery module to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a new energy battery module, comprising: the battery placing device comprises a frame body and single batteries, wherein a partition plate is arranged in the frame body to partition the frame body into a cavity at the lower part and a battery placing area at the upper part, placing grooves are formed in the partition plate at equal intervals, the corresponding back surfaces of the placing grooves are through grooves, the single batteries are placed on the inner walls of the placing grooves, the single batteries are connected in series, the adjacent single batteries are connected in parallel, the top end of the frame body is fixedly connected with a cover plate through a plurality of bolts, the top end of the cover plate is fixedly connected with a pump body, the input end of the pump body is connected with a cooling water tank, the output end of the pump body is fixedly connected with a return pipe, four sides of the return pipe are connected with the cavity in the frame body, and disturbance rods are arranged on the inner walls of the cavity.

Preferably, the drain pipe has been seted up to the framework bottom, the one end and the coolant tank switch-on of drain pipe, the inside impeller that is equipped with of drain pipe, impeller axle center department and disturbance pole axle center fixed connection.

Preferably, a temperature sensor is attached to the inside of the through groove.

Preferably, a main control computer is arranged at the top end of the cover plate, and the main control computer is respectively and electrically connected with the pump body and the temperature sensor.

Preferably, the bottom end of the cover plate is fixedly connected with a blocking strip at equal intervals.

Preferably, the cavity is filled with a cooling liquid.

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

1. When the cooling device is used, each single battery can be fully contacted with the inner wall of the placing groove through the plurality of placing grooves, and then the inner wall of the placing groove is fully contacted with cooling liquid through the through grooves in the cavity, so that the five surfaces of each single battery can be cooled, and compared with the traditional two-side contact cooling effect, the cooling device has better cooling effect;

2. When the liquid outlet pipe is used, the impeller is arranged in the liquid outlet pipe, the impeller and the disturbance rod are driven to rotate by the flow of liquid outlet, the rotation of the disturbance rod is realized, the flow of cooling liquid in the cavity is driven, the heat exchange on the through groove is facilitated, the loop pipe is designed to realize multi-point liquid inlet, and the situation that the local temperature in the cavity is too high is avoided.

Drawings

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

FIG. 2 is a schematic view of the structure of the placement groove in the frame of the present utility model;

FIG. 3 is a schematic view of a single battery pack according to the present utility model;

FIG. 4 is a schematic view of the internal cross-sectional structure of the frame of the present utility model;

Fig. 5 is a schematic view of the back structure of the cover plate of the present utility model.

In the figure: 1. a frame; 2. a single battery; 3. a placement groove; 4. a cavity; 5. a through groove; 6. a cover plate; 7. a pump body; 8. a return pipe; 9. a disturbance rod; 10. a liquid outlet pipe; 11. an impeller; 12. a temperature sensor; 13. a main control machine; 14. and a blocking strip.

Description of the embodiments

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. 1-5, a new energy battery module comprises a frame body 1 and single batteries 2, wherein the partition plates in the frame body 1 are equidistantly provided with a placement groove 3, the single batteries 2 are placed on the inner wall of the placement groove 3, the single batteries 2 are longitudinally connected in series, the adjacent single batteries 2 are longitudinally connected in parallel, the lower parts of the partition plates in the frame body 1 are provided with cavities 4, through grooves 5 corresponding to the placement groove 3 are formed in the cavities 4, and cooling liquid is filled in the cavities 4. The inner wall of the frame body 1 is fixedly connected with a cover plate 6 through a plurality of bolts, the top end of the cover plate 6 is fixedly connected with a pump body 7, the input end of the pump body 7 is communicated with an outlet of an external cooling water tank, the output end of the pump body 7 is fixedly connected with a return pipe 8, the return pipe 8 is arranged around the frame body 1, namely four sides of the return pipe 8 are communicated with a cavity 4 in the frame body 1, a liquid outlet pipe 10 is arranged at the bottom end of the frame body 1, and one end of the liquid outlet pipe 10 is communicated with an inlet of the external cooling water tank. The inner wall of the cavity 4 is provided with a disturbance rod 9, an impeller 11 is arranged in the liquid outlet pipe 10, the axis of the impeller 11 is fixedly connected with the axis of the disturbance rod 9, a temperature sensor 12 is attached to the inside of the through groove 5, and the top end of the cover plate 6 is fixedly connected with a main control computer 13.

The battery module is fixedly connected with the blocking strips 14 at the bottom end of the cover plate 6 at equal intervals, and when the cover plate 6 is covered, the blocking strips 14 are pressed on the battery 2, so that the stability of the series-connected single batteries 2 is ensured, and the shaking of the series-connected single batteries is prevented.

Working principle:

When the cooling device is used, firstly, the single batteries 2 are arranged in the placing groove 3 one by one, then, the vertical three single batteries 2 are connected in series, finally, the series-connected single batteries 2 are connected in parallel, the temperature condition in the cavity 4 is judged through the temperature sensor 12 on the through groove 5, when the temperature reaches the set temperature, the pump body 7 is controlled to work through the main control machine 13, the pump body 7 injects cooling liquid into the frame 1 through the return pipe 8, the impeller 11 is designed at the liquid outlet pipe 10 by adopting a multi-point liquid inlet design, the flowing cooling liquid drives the impeller 11 and the disturbance rod 9 to rotate, so that the cooling liquid in the cavity 4 is mixed to flow, uniform temperature reduction in the frame 1 is realized, and the problem that the temperature at the liquid outlet cannot be released is solved.

Claims

1. A new energy battery module, comprising: the battery box comprises a frame body (1) and single batteries (2), wherein a partition plate is arranged inside the frame body (1) to partition the frame body into a cavity (4) at the lower part and a battery placement area at the upper part, a placement groove (3) is formed in the partition plate at equal intervals, the back corresponding to the placement groove is a through groove (5), the single batteries (2) are placed on the inner wall of the placement groove (3), the single batteries (2) are longitudinally connected in series, adjacent single batteries (2) are longitudinally connected in parallel, the top end of the frame body (1) is fixedly connected with a cover plate (6) through a plurality of bolts, the top end of the cover plate (6) is fixedly connected with a pump body (7), the input end of the pump body (7) is connected with a cooling water tank, the output end of the pump body (7) is fixedly connected with a return pipe (8), four sides of the return pipe (8) are all connected with the cavity (4) in the frame body (1), and a disturbance rod (9) is arranged on the inner wall of the cavity (4).

2. The new energy battery module of claim 1, wherein: the liquid outlet pipe (10) is arranged at the bottom end of the frame body (1), one end of the liquid outlet pipe (10) is communicated with the cooling water tank, an impeller (11) is arranged in the liquid outlet pipe (10), and the axis of the impeller (11) is fixedly connected with the axis of the disturbance rod (9).

3. The new energy battery module of claim 1, wherein: a temperature sensor (12) is attached to the inside of the through groove (5).

4. The new energy battery module of claim 1, wherein: the top of apron (6) is equipped with main control machine (13), main control machine (13) respectively with pump body (7) and temperature sensor (12) electric connection.

5. The new energy battery module of claim 1, wherein: and blocking strips (14) are fixedly connected to the bottom end of the cover plate (6) at equal intervals.

6. The new energy battery module of claim 1, wherein: the cavity (4) is filled with cooling liquid.