CN218383215U

CN218383215U - Lithium battery environment testing system combining environment bin and water chiller

Info

Publication number: CN218383215U
Application number: CN202221785777.XU
Authority: CN
Inventors: 张晓昌; 曹明松
Original assignee: Shandong Linggong New Energy Technology Co ltd
Current assignee: Shandong Linggong New Energy Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-01-24
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a lithium battery environment testing system combining an environment bin and a water chiller, which comprises a main system, a high-low temperature water chiller system and an environment bin system, wherein the main system is respectively connected with the high-low temperature water chiller system and the environment bin system; the main system comprises a compressor, an oil separator, a condenser and a drying filter, the compressor, the oil separator, the condenser and the drying filter are sequentially connected, an outlet of the drying filter is divided into three paths, and the first path is connected with the environmental bin system; the second path is connected with a high-low temperature water chiller system, the third path is connected with an inlet of a gas-liquid separator, and an outlet of the gas-liquid separator is connected with an inlet of a compressor; the utility model discloses can solve among the prior art environment storehouse, cold water machine and test the step alone loaded down with trivial details, problem with high costs.

Description

Lithium battery environment testing system combining environment bin and water chiller

Technical Field

The utility model relates to a lithium battery test field specifically is a lithium battery environment test system that environment storehouse and cold water machine combined together.

Background

In recent years, new energy automobiles are rapidly developed, the performance test of battery modules and the performance test of the whole automobile are increasingly improved, the charging and discharging test of the battery modules and the like need to be carried out by adopting a high-low temperature water cooler, and the test of the whole automobile needs an environmental chamber. At present, two kinds of test systems in the market are separated separately, which causes a part of resources to be idle and also increases user cost.

Disclosure of Invention

The utility model aims at providing a lithium cell environmental test system that environment storehouse and cold water machine combined together to environment storehouse, cold water machine test step alone are loaded down with trivial details among the solution prior art, problem with high costs.

In order to realize the purpose, the technical scheme of the utility model is that:

a lithium battery environment testing system combining an environment bin and a water cooler comprises a main system, a high-low temperature water cooler system and an environment bin system, wherein the main system is respectively connected with the high-low temperature water cooler system and the environment bin system;

the main system comprises a compressor, an oil separator, a condenser and a drying filter, the compressor, the oil separator, the condenser and the drying filter are sequentially connected, an outlet of the drying filter is divided into three paths, and the first path is connected with the environmental bin system; the second path is connected with the high-low temperature water chiller system, the third path is connected with an inlet of a gas-liquid separator, and an outlet of the gas-liquid separator is connected with an inlet of a compressor.

Further, environment storehouse system includes environment storehouse, evaporimeter, and the battery module is arranged in the environment storehouse, the evaporimeter is arranged in the environment storehouse, the import and the exit linkage of drier-filter of evaporimeter, the export of evaporimeter and vapour and liquid separator's access connection.

Furthermore, the high-low temperature water chiller system comprises a plate heat exchanger and a circulating water tank, wherein an outlet of the drying filter is connected with a cold side inlet of the plate heat exchanger, and a cold side outlet of the plate heat exchanger is connected with an inlet of the gas-liquid separator.

Further, still include circulation tank, circulation tank has two exports, and one of them exit linkage plate heat exchanger's hot side import, plate heat exchanger's hot side import and circulation tank's access connection, another export of circulation tank and the cooling access connection of battery module, the cooling export of battery module and circulation tank's access connection.

Furthermore, be equipped with first temperature sensor on the pipeline between circulation tank export and the battery module import, be equipped with second temperature sensor on the pipeline between battery module export and circulation tank's the mouth.

Compared with the prior art, the utility model has the advantages and positive effect be:

the utility model integrates the high-low temperature water chiller system and the environmental bin system in the same system, when a user needs to test the battery module, namely needs the high-low temperature water chiller system, the compressor, the condenser, the second expansion valve, the plate heat exchanger and the corresponding valve work; when the user needs to use the environment storehouse system, the compressor, the condenser, the first expansion valve, the evaporator and corresponding valve members in the pipeline and other parts in the environment storehouse work, can carry out diversified test to the battery module through this system, reduce user's cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a system structure diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1 of the drawings, in which,

an air outlet of a compressor 1 is connected with an oil separator 2, the oil separator 2 is connected with a condenser 3, the condenser 3 is connected with a drying filter 6, the drying filter 6 is divided into three paths, the first path is connected with a first electromagnetic valve 8, the first electromagnetic valve 8 is connected with a first expansion valve 10, the first expansion valve 10 is connected with an evaporator 11 in an environment bin 12, the evaporator 11 is connected with a gas-liquid separator 23, the second path is connected with a second electromagnetic valve 7, the second electromagnetic valve 7 is connected with a second expansion valve 9, the second expansion valve 9 is connected with a plate heat exchanger 22, the plate heat exchanger 22 is connected with the gas-liquid separator 23, the third path is connected with a third electromagnetic valve 5, the third electromagnetic valve 5 is connected with a third expansion valve 4, the third expansion valve 4 is connected with the gas-liquid separator 23, the gas-liquid separator 23 is connected with an air suction port of the compressor 1, two outlets of a circulating water tank 21, one of the first water pump 14 is connected with the first water pump 14, the plate heat exchanger 22 is connected with the circulating water tank 22, the other outlet is connected with a second water pump 15, the second water pump 15 is connected with a first temperature sensor 16, the second stop valve 17 is connected with a second water pump 19 of the battery stop valve 13, and a temperature sensor module 13 is connected with a second water pump 18 in the environment tank 12.

The utility model discloses a theory of operation: when a user needs to perform a battery module test, namely a high-low temperature water chiller system is needed, the compressor 1, the condenser 3, the second expansion valve 9, the plate heat exchanger 22 and corresponding valves work, the system transmits refrigerating capacity to the circulating water tank 21 through the plate heat exchanger 22 in a compression refrigeration cycle, cools water in the circulating water tank 21 to a proper temperature, conveys the water in the circulating water tank 21 to the battery module 13 through the second water pump 15, cools the battery module 13, and returns to the circulating water tank 21; when a user needs to use the environmental chamber system, the compressor 1, the condenser 3, the first expansion valve 10, the evaporator 11, corresponding valve parts in the pipeline and other parts in the environmental chamber 12 work, and the system transfers the refrigerating capacity to the environmental chamber 12 through the evaporator 11 in a compression refrigeration cycle so as to ensure the proper temperature in the environmental chamber 12.

Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell environmental test system that environment storehouse and cold water machine combined together which characterized in that: the system comprises a main system, a high-low temperature water chiller system and an environmental bin system, wherein the main system is respectively connected with the high-low temperature water chiller system and the environmental bin system;

the main system comprises a compressor, an oil separator, a condenser and a drying filter, the compressor, the oil separator, the condenser and the drying filter are sequentially connected, an outlet of the drying filter is divided into three paths, and the first path is connected with the environmental chamber system; the second path is connected with the high-low temperature water chiller system, the third path is connected with an inlet of a gas-liquid separator, and an outlet of the gas-liquid separator is connected with an inlet of a compressor.

2. The environment testing system for the lithium battery combining the environment bin and the water chiller according to claim 1, is characterized in that: the environment bin system comprises an environment bin and an evaporator, the battery module is arranged in the environment bin, the evaporator is arranged in the environment bin, the inlet of the evaporator is connected with the outlet of the drying filter, and the outlet of the evaporator is connected with the inlet of the gas-liquid separator.

3. The environmental test system for lithium batteries combining an environmental bin and a water chiller according to claim 2, characterized in that: the high-low temperature water chiller system comprises a plate heat exchanger and a circulating water tank, wherein an outlet of the drying filter is connected with a cold side inlet of the plate heat exchanger, and a cold side outlet of the plate heat exchanger is connected with an inlet of the gas-liquid separator.

4. The environmental test system for lithium batteries combining an environmental bin and a water chiller according to claim 3, characterized in that: still include circulation tank, circulation tank has two exports, and one of them exit linkage plate heat exchanger's hot side import, plate heat exchanger's hot side import and circulation tank's access connection, another export of circulation tank and battery module's cooling access connection, battery module's cooling outlet and circulation tank's access connection.

5. The environmental bin and water chiller combined lithium battery environmental test system of claim 4, wherein: and a first temperature sensor is arranged on a pipeline between the outlet of the circulating water tank and the inlet of the battery module, and a second temperature sensor is arranged on a pipeline between the outlet of the battery module and the opening of the circulating water tank.