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CN-224216842-U - Battery temperature test equipment

CN224216842UCN 224216842 UCN224216842 UCN 224216842UCN-224216842-U

Abstract

The utility model relates to the technical field of temperature test, in particular to battery temperature test equipment. The battery temperature test equipment comprises a test host, a support plate, a first pipeline, a second pipeline and a temperature compensation device, wherein the support plate is used for supporting a battery, the first pipeline is respectively communicated with the test host and the support plate, the second pipeline is respectively communicated with the test host and the support plate, the test host is provided with a heating mode and a cooling mode, a refrigerant in the cooling mode sequentially flows through the first pipeline, the support plate, the second pipeline and flows back to the test host from the test host, the refrigerant in the heating mode sequentially flows through the second pipeline, the support plate, the first pipeline and flows back to the test host from the test host, the temperature compensation device can cool the refrigerant in the first pipeline in the cooling mode to a preset cooling temperature, and the refrigerant in the second pipeline in the heating mode is heated to a preset heating temperature, so that the heating precision of the support plate is ensured.

Inventors

  • Request for anonymity
  • HAN ZHIMING
  • FANG ZHONGCHENG
  • KANG DONGPING
  • LIU GUANGYANG
  • ZHU JIAJUN

Assignees

  • 江苏拓米洛高端装备股份有限公司

Dates

Publication Date
20260508
Application Date
20250407

Claims (10)

  1. 1. Battery temperature test equipment, characterized by, include: a test host (400); A carrier plate (500) for supporting the battery; The test device comprises a first pipeline (200) and a second pipeline (300), wherein the first pipeline (200) is respectively communicated with a test host (400) and a carrier plate (500), the second pipeline (300) is respectively communicated with the test host (400) and the carrier plate (500), the test host (400) is provided with a heating mode and a cooling mode, a refrigerant in the cooling mode sequentially flows through the first pipeline (200), the carrier plate (500) and the second pipeline (300) from the test host (400) and flows back to the test host (400), and the refrigerant in the heating mode sequentially flows through the second pipeline (300) from the test host (400) and flows back to the test host (400); -a temperature compensation device (100), said temperature compensation device (100) being capable of cooling said refrigerant in said first conduit (200) in said cooling mode to a preset cooling temperature and heating said refrigerant in said second conduit (300) in said heating mode to a preset heating temperature.
  2. 2. The battery temperature testing apparatus according to claim 1, wherein the temperature compensating means (100) comprises: The cooling compensation piece (110) is arranged on the first pipeline (200), and the cooling compensation piece (110) can cool the refrigerant in the first pipeline (200) to the preset cooling temperature; A temperature rise compensation member (120) arranged on the second pipeline (300), wherein the temperature rise compensation member (120) can heat the refrigerant in the second pipeline (300) to the preset heating temperature, and The control piece is respectively in communication connection with the cooling compensation piece (110) and the heating compensation piece (120), and can independently control the starting and stopping of the cooling compensation piece (110) and the starting and stopping of the heating compensation piece (120).
  3. 3. The battery temperature testing apparatus according to claim 2, wherein the temperature compensation device (100) further comprises: A first detection component (130) arranged on the first pipeline (200), wherein the first detection component (130) is in communication connection with the control piece, the first detection component (130) can detect the temperature and the pressure of the refrigerant in the first pipeline (200), and The second detection assembly (140) is arranged on the second pipeline (300), the second detection assembly (140) is in communication connection with the control piece, and the second detection assembly (140) can detect the temperature and the pressure of the refrigerant in the second pipeline (300).
  4. 4. The battery temperature testing apparatus according to claim 3, further comprising: a throttle valve (600) provided in the first pipe (200), the throttle valve (600) being capable of controlling the flow rate of the refrigerant in the first pipe (200); The first pipeline (200) comprises a first part (210) located between the throttle valve (600) and the test host (400) and a second part (220) located between the throttle valve (600) and the carrier plate (500), and the first detection assembly (130) and the cooling compensation member (110) are both arranged on the first part (210).
  5. 5. The battery temperature testing apparatus according to claim 4, wherein the temperature compensating means (100) further comprises: The third detection assembly (150), the third detection assembly (150) is in the second portion (220), the third detection assembly (150) with control piece communication connection, the third detection assembly (150) can detect temperature and pressure of refrigerant in the second portion (220).
  6. 6. The battery temperature testing apparatus of claim 4, wherein the first detection assembly (130) comprises: A first temperature detecting member (131) disposed on the first portion (210), the first temperature detecting member (131) being in communication with the control member, the first temperature detecting member (131) being configured to detect a temperature of the refrigerant in the first portion (210), and The first pressure detecting piece (132) is arranged on the first portion (210), the first pressure detecting piece (132) and the first temperature detecting piece (131) are sequentially arranged along the axial direction of the first portion (210), the first pressure detecting piece (132) is in communication connection with the control piece, and the first pressure detecting piece (132) is used for detecting the pressure of the refrigerant in the first portion (210).
  7. 7. The battery temperature testing apparatus of claim 2, wherein a length of the first conduit (200) between the cooling compensator (110) and the carrier plate (500) is no more than 1 meter; The length of the second pipeline (300) between the temperature rise compensation piece (120) and the carrier plate (500) is not more than 1 meter.
  8. 8. The battery temperature testing device according to any one of claims 1 to 7, wherein a first joint (410) and a second joint (420) are provided on the testing host (400), a third joint (510) and a fourth joint (520) are provided on the carrier plate (500), two ends of the first pipeline (200) are respectively in sealing butt joint with the first joint (410) and the third joint (510), and two ends of the second pipeline (300) are respectively in sealing butt joint with the second joint (420) and the fourth joint (520).
  9. 9. The battery temperature testing apparatus according to any one of claims 1 to 7, further comprising: And the protective shell (700), the protective shell (700) is covered on the periphery of the temperature compensation device (100), and the first pipeline (200) and the second pipeline (300) respectively penetrate through the protective shell (700).
  10. 10. The battery temperature testing device according to any one of claims 1 to 7, wherein the first pipeline (200) is wrapped with insulation cotton along an axial peripheral wall; and the second pipeline (300) is wrapped with heat preservation cotton along the axial peripheral wall.

Description

Battery temperature test equipment Technical Field The utility model relates to the technical field of temperature test, in particular to battery temperature test equipment. Background The battery temperature test equipment comprises a test host, a connecting pipeline and a carrier plate, wherein the carrier plate is used for supporting a battery, the connecting pipeline is used for communicating the test host with the carrier plate, and a refrigerant circularly flows between the test host and the carrier plate so as to heat or cool the carrier plate, thereby achieving the purpose of simulating the high-temperature environment or the low-temperature environment of the battery and realizing the temperature test of the battery. In order to ensure the accuracy of the temperature test of the battery, the temperature rising precision and the temperature lowering precision of the carrier plate are required to be ensured. In the related art, the connecting pipeline between the test host and the carrier plate is long, and the connecting pipeline can exchange heat with the outside. When the temperature of the carrier plate is raised, the actual heating temperature of the carrier plate is lower than the specified heating temperature, and when the temperature of the carrier plate is lowered, the actual cooling temperature of the carrier plate is higher than the specified cooling temperature. Therefore, there is a need for an inventive battery temperature testing apparatus to solve the above-described problems. Disclosure of utility model The utility model aims to provide battery temperature testing equipment so as to realize heating and cooling of a carrier plate, improve the heating effect and heating precision of the carrier plate and improve the cooling effect and cooling precision of the carrier plate. To achieve the purpose, the utility model adopts the following technical scheme: A battery temperature testing apparatus comprising: testing a host; The support plate is used for supporting the battery; The test system comprises a first pipeline and a second pipeline, wherein the first pipeline is respectively communicated with a test host and a carrier plate, the second pipeline is respectively communicated with the test host and the carrier plate, the test host is provided with a heating mode and a cooling mode, a refrigerant in the cooling mode sequentially flows through the first pipeline, the carrier plate and the second pipeline from the test host and flows back to the test host, and a refrigerant in the heating mode sequentially flows through the second pipeline, the carrier plate and the first pipeline from the test host and flows back to the test host; the temperature compensation device can cool the refrigerant in the first pipeline in the cooling mode to a preset cooling temperature and heat the refrigerant in the second pipeline in the heating mode to a preset heating temperature. Alternatively, the temperature compensation device includes: The cooling compensation piece is arranged on the first pipeline and can cool the refrigerant in the first pipeline to the preset cooling temperature; The temperature rise compensation piece is arranged on the second pipeline and can heat the refrigerant in the second pipeline to the preset heating temperature, and The control piece is respectively in communication connection with the cooling compensation piece and the heating compensation piece, and can independently control the starting and stopping of the cooling compensation piece and the starting and stopping of the heating compensation piece. As an alternative, the temperature compensation device further includes: The first detection component is arranged on the first pipeline and is in communication connection with the control piece, and can detect the temperature and the pressure of the refrigerant in the first pipeline and The second detection assembly is arranged on the second pipeline and is in communication connection with the control piece, and the second detection assembly can detect the temperature and the pressure of the refrigerant in the second pipeline. Alternatively, the battery temperature test apparatus further includes: the throttle valve is arranged on the first pipeline and can control the flow of the refrigerant in the first pipeline; The first pipeline comprises a first part positioned between the throttle valve and the test host and a second part positioned between the throttle valve and the carrier plate, and the first detection component and the cooling compensation piece are both arranged on the first part. As an alternative, the temperature compensation device further includes: The third detection assembly is arranged at the second part and is in communication connection with the control piece, and the third detection assembly can detect the temperature and the pressure of the refrigerant in the second part. Alternatively, the first detecting component includes: A first temperature dete