CN211858834U

CN211858834U - Temperature equalizing flow channel of battery

Info

Publication number: CN211858834U
Application number: CN202020224115.XU
Authority: CN
Inventors: 范成鹏
Original assignee: IAT Automobile Technology Co Ltd
Current assignee: IAT Automobile Technology Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-11-03
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a samming runner of battery belongs to the technical field of automobile design and manufacturing. The utility model discloses a temperature equalizing flow channel of a battery, which comprises a cold plate, a water inlet pipeline, a water outlet pipeline, a first connecting pipeline, a second connecting pipeline, a third connecting pipeline and a fourth connecting pipeline which are distributed on the left side and the right side; the inside of the cold drawing of left and right sides from the front end to the rear end has set gradually first inner flow way, second inner flow way, third inner flow way and fourth inner flow way from top to bottom. The utility model discloses a samming runner has used the liquid cooling runner of two-way backward flow, makes each battery cell flow through by the existing imported cryogenic liquids of cold plate radiating in-process, and the medium temperature liquid that also has the export flows through, has guaranteed the heat dissipation equilibrium of every electric core, plays the effect of keeping to the battery uniformity.

Description

Temperature equalizing flow channel of battery

Technical Field

The utility model relates to a technical field of automobile design and manufacturing, more specifically says, the utility model relates to a samming runner of battery.

Background

In the prior art, the cold drawing of electric core group is mostly located the battery lower part, because the existence of inlet outlet coolant liquid difference in temperature, is in inlet outlet side electric core and is in outlet side electric core and also has great difference in temperature. The structure can not control the temperature difference among the battery cores, and the consistency of the battery with long service life is damaged, thereby causing the aging, the life attenuation and even the thermal runaway of the battery.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned technical problem that exists among the prior art, the utility model aims to provide a samming runner of battery.

The utility model discloses a samming runner of battery, its characterized in that: the device comprises a cold plate, a water inlet pipeline, a water outlet pipeline, a first connecting pipeline, a second connecting pipeline, a third connecting pipeline and a fourth connecting pipeline which are distributed on the left side and the right side; a first inner flow passage, a second inner flow passage, a third inner flow passage and a fourth inner flow passage are sequentially arranged from the front end to the rear end in the cold plates on the left side and the right side; the tail end of the water inlet pipeline is communicated with the left water distribution pipeline and the right water distribution pipeline, the tail end of the left water distribution pipeline is communicated with the left upper water distribution pipeline and the left lower water distribution pipeline, and the tail end of the right water distribution pipeline is communicated with the right upper water distribution pipeline and the right lower water distribution pipeline; the tail end of the water outlet pipeline is communicated with the first left water outlet pipeline, the first right water outlet pipeline and the upper water outlet pipeline, and the tail end of the upper water outlet pipeline is communicated with the second left water outlet pipeline and the second right water outlet pipeline; the upper left water distribution pipeline is communicated with the front end of the first inner flow channel of the left cold plate, the lower left water distribution pipeline is communicated with the front end of the fourth inner flow channel of the left cold plate, the upper right water distribution pipeline is communicated with the front end of the first inner flow channel of the right cold plate, and the lower right water distribution pipeline is communicated with the front end of the fourth inner flow channel of the right cold plate; the second left water outlet pipeline is communicated with the front end of the second inner flow channel of the cold plate on the left side, the second right water outlet pipeline is communicated with the front end of the second inner flow channel of the cold plate on the right side, the first left water outlet pipeline is communicated with the front end of the third inner flow channel of the cold plate on the left side, and the first right water outlet pipeline is communicated with the front end of the third inner flow channel of the cold plate on the right side; one end of the first connecting pipeline is connected with the tail end of the first inner flow channel of the left cold plate, and the other end of the first connecting pipeline is connected with the tail end of the second inner flow channel of the right cold plate; one end of the second connecting pipeline is connected with the tail end of the first inner flow channel of the cold plate on the right side, and the other end of the second connecting pipeline is connected with the tail end of the second inner flow channel of the cold plate on the left side; one end of the third connecting pipeline is connected with the tail end of the third inner flow channel of the left cold plate, and the other end of the third connecting pipeline is connected with the tail end of the fourth inner flow channel of the right cold plate; one end of the fourth connecting pipeline is connected with the tail end of the third inner flow channel of the cold plate on the right side, and the other end of the fourth connecting pipeline is connected with the tail end of the fourth inner flow channel of the cold plate on the left side.

Wherein, the cold plates on the left side and the right side are vertically arranged.

Compared with the prior art, the utility model discloses a samming runner of battery has following beneficial effect:

the utility model discloses a samming runner has guaranteed the uniformity of battery temperature to play the heat transfer effect of certain degree to the battery.

Drawings

Fig. 1 is a schematic structural diagram of a temperature equalizing flow channel of a battery according to the present invention.

Fig. 2 is a structural schematic diagram of the coolant flow direction in the uniform temperature flow channel of the present invention.

Fig. 3 is a schematic view of the assembly process of the uniform temperature flow channel and the square cell assembly of the present invention.

Fig. 4 is an assembly diagram of the uniform temperature flow channel and the square cell assembly of the present invention.

Detailed Description

The temperature equalizing flow channel of the battery of the present invention will be further described below with reference to specific embodiments to help those skilled in the art to understand the technical solution of the present invention more completely, accurately and deeply.

Example 1

As shown in fig. 1 to 4, the temperature equalizing flow channel of the battery of the present embodiment includes a cold plate 10, a water inlet pipe 21, a water outlet pipe 36, a first connecting pipe 41, a second connecting pipe 42, a third connecting pipe 43, and a fourth connecting pipe 44, which are distributed on the left and right sides and are vertically disposed. The interior of the cold plate 10 is provided with a first inner flow passage, a second inner flow passage, a third inner flow passage and a fourth inner flow passage from the front end to the rear end in sequence from top to bottom. The end of the water inlet pipe 21 is communicated with a left shunt pipe 22 and a right shunt pipe 23, the end of the left shunt pipe 22 is communicated with an upper left shunt pipe 24 and a lower left shunt pipe 25, and the end of the right shunt pipe 23 is communicated with an upper right shunt pipe 26 and a lower right shunt pipe 27. The end of the water outlet pipe 36 is communicated with the first left water outlet pipe 34, the first right water outlet pipe 35 and the upper water outlet pipe 33, and the end of the upper water outlet pipe 33 is communicated with the second left water outlet pipe 31 and the second right water outlet pipe 32. The upper left water distribution pipeline 24 is communicated with the front end of the first inner flow channel of the cold plate 10 on the left side, the lower left water distribution pipeline 25 is communicated with the front end of the fourth inner flow channel of the cold plate 10 on the left side, the upper right water distribution pipeline 26 is communicated with the front end of the first inner flow channel of the cold plate 10 on the right side, and the lower right water distribution pipeline 27 is communicated with the front end of the fourth inner flow channel of the cold plate 10 on the right side. The second left water outlet pipe 31 is communicated with the front end of the second inner flow channel of the left cold plate 10, the second right water outlet pipe 32 is communicated with the front end of the second inner flow channel of the right cold plate 10, the first left water outlet pipe 34 is communicated with the front end of the third inner flow channel of the left cold plate 10, and the first right water outlet pipe 35 is communicated with the front end of the third inner flow channel of the right cold plate 10. One end of the first connecting pipeline 41 is connected to the first inner flow channel end of the left cold plate 10, and the other end of the first connecting pipeline 41 is connected to the second inner flow channel end of the right cold plate 10; one end of the second connecting pipe 42 is connected to the first inner flow path end of the right cold plate 10, and the other end of the second connecting pipe 42 is connected to the second inner flow path end of the left cold plate 10. One end of the third connecting pipe 43 is connected to the third inner flow channel end of the cold plate 10 on the left side, and the other end of the third connecting pipe 43 is connected to the fourth inner flow channel end of the cold plate 10 on the right side; one end of the fourth connecting pipe 44 is connected to the third inner flow path end of the cold plate 10 on the right side, and the other end of the fourth connecting pipe 44 is connected to the fourth inner flow path end of the cold plate 10 on the left side.

The liquid cooling flow channel with bidirectional backflow is applied to the temperature equalizing flow channel, so that low-temperature liquid at an inlet flows through each single battery in the process of being cooled by the cooling plate, medium-temperature liquid at an outlet also flows through each single battery, the heat dissipation balance of each battery cell is guaranteed, and the consistency of the batteries is kept. The coolant flows into the upper side and the lower side of the cold plate from the inlet, then flows to the middle flow channel of the corresponding cold plate, and finally flows back to the outlet. The temperature equalizing flow channel of the embodiment can be used for a square battery cell, a rectangular module or a peripheral cold plate flow channel of a PACK, and the flow channel adopts a backflow circulation structure.

For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements are all within the protection scope of the present invention as long as the technical solution of the present invention is adopted.

Claims

1. A temperature equalizing flow channel of a battery is characterized in that: the device comprises a cold plate, a water inlet pipeline, a water outlet pipeline, a first connecting pipeline, a second connecting pipeline, a third connecting pipeline and a fourth connecting pipeline which are distributed on the left side and the right side; a first inner flow passage, a second inner flow passage, a third inner flow passage and a fourth inner flow passage are sequentially arranged from the front end to the rear end in the cold plates on the left side and the right side; the tail end of the water inlet pipeline is communicated with the left water distribution pipeline and the right water distribution pipeline, the tail end of the left water distribution pipeline is communicated with the left upper water distribution pipeline and the left lower water distribution pipeline, and the tail end of the right water distribution pipeline is communicated with the right upper water distribution pipeline and the right lower water distribution pipeline; the tail end of the water outlet pipeline is communicated with the first left water outlet pipeline, the first right water outlet pipeline and the upper water outlet pipeline, and the tail end of the upper water outlet pipeline is communicated with the second left water outlet pipeline and the second right water outlet pipeline; the upper left water distribution pipeline is communicated with the front end of the first inner flow channel of the left cold plate, the lower left water distribution pipeline is communicated with the front end of the fourth inner flow channel of the left cold plate, the upper right water distribution pipeline is communicated with the front end of the first inner flow channel of the right cold plate, and the lower right water distribution pipeline is communicated with the front end of the fourth inner flow channel of the right cold plate; the second left water outlet pipeline is communicated with the front end of the second inner flow channel of the cold plate on the left side, the second right water outlet pipeline is communicated with the front end of the second inner flow channel of the cold plate on the right side, the first left water outlet pipeline is communicated with the front end of the third inner flow channel of the cold plate on the left side, and the first right water outlet pipeline is communicated with the front end of the third inner flow channel of the cold plate on the right side; one end of the first connecting pipeline is connected with the tail end of the first inner flow channel of the left cold plate, and the other end of the first connecting pipeline is connected with the tail end of the second inner flow channel of the right cold plate; one end of the second connecting pipeline is connected with the tail end of the first inner flow channel of the cold plate on the right side, and the other end of the second connecting pipeline is connected with the tail end of the second inner flow channel of the cold plate on the left side; one end of the third connecting pipeline is connected with the tail end of the third inner flow channel of the left cold plate, and the other end of the third connecting pipeline is connected with the tail end of the fourth inner flow channel of the right cold plate; one end of the fourth connecting pipeline is connected with the tail end of the third inner flow channel of the cold plate on the right side, and the other end of the fourth connecting pipeline is connected with the tail end of the fourth inner flow channel of the cold plate on the left side.

2. The temperature-equalizing flow channel of a battery as claimed in claim 1, wherein: the cold plates on the left side and the right side are vertically arranged.