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CN-121993472-A - Converging split type self-positioning cold plate joint and self-positioning method

CN121993472ACN 121993472 ACN121993472 ACN 121993472ACN-121993472-A

Abstract

The invention discloses a converging split type self-positioning cold plate joint and a self-positioning method, which belong to the technical field of heat management of batteries of passenger cars and comprise a cold plate consisting of a flat plate and a cooling flow passage, one end of the cold plate is provided with a joint structure, the joint structure is located on one side end face of the flat plate far away from the cooling flow channel, and comprises a first joint and a second joint, and the first joint and the second joint are in sealing connection after being fastened and brazed by adopting threaded holes and bolts. The invention solves the problem that the existing cold plate joint is not airtight after being fastened and brazed by adopting the threaded holes and the bolts. According to the invention, the cold plate joint is designed in a standardized manner, the cold plate joint is supported to be firmly brazed on the cold plate, the internal structure of the standardized cold plate joint is designed, the occupied space of the connecting pipe is reduced, the heat exchange efficiency capability is improved, the pressure-resistant and temperature-resistant scene requirement is met, the monomer manufacturing cost is reduced through modularized production and large-scale manufacturing, the An Zhuangyun-dimensional flow is simplified, the labor and time investment is reduced, and the economy is improved.

Inventors

  • Chen Chaopengyu
  • YE MAOHUA
  • SHEN FU
  • LIU LEI
  • LV JIAWEI
  • WANG ZHONGYU
  • TAO MINGHAO
  • ZHANG SHUAI

Assignees

  • 马鞍山纳百川热交换器有限公司

Dates

Publication Date
20260508
Application Date
20260211

Claims (10)

  1. 1. The utility model provides a split type self-align cold plate joint converges, includes cold plate (1) of constituteing by dull and stereotyped (11) and cooling runner (12), cooling runner (12) set up the surface at dull and stereotyped (11), a serial communication port, the one end of cold plate (1) is equipped with joint structure (2), joint structure (2) are located dull and stereotyped (11) and keep away from on the terminal surface of one side of cooling runner (12), joint structure (2) include first joint (21) and second joint (22), first joint (21) and second joint (22) adopt screw hole (31) and bolt (3) fastening back sealing connection that brazes.
  2. 2. The converging split type self-positioning cold plate joint according to claim 1, wherein the first joint (21) comprises a first connecting support (211), a second connecting support (212), a first drainage channel (213), a second drainage channel (214) and a first connecting plate (215), the first connecting plate (215) is provided with the first drainage channel (213) and the second drainage channel (214), the first drainage channel (213) and the second drainage channel (214) are integrally connected with the first connecting plate (215), and the first drainage channel (213) and the second drainage channel (214) are communicated with the first connecting plate (215).
  3. 3. The split type self-positioning cold plate joint according to claim 2, wherein one end of the first drainage channel (213) far away from the first connecting plate (215) is connected to the first connecting support (211), the first drainage channel (213) is communicated with the first connecting support (211), one end of the second drainage channel (214) far away from the first connecting plate (215) is connected to the second connecting support (212), the second drainage channel (214) is communicated with the second connecting support (212), and the first connecting support (211) and the second connecting support (212) are embedded in the flat plate (11).
  4. 4. A split type self-positioning cold plate joint for confluence according to claim 3, wherein positioning protruding points (2121) are respectively arranged at two ends of the second connecting support (212), the second connecting support (212) is in positioning connection with the flat plate (11) through the positioning protruding points (2121), and positioning grooves (111) matched with the positioning protruding points (2121) are formed in the flat plate (11).
  5. 5. The converging split type self-positioning cold plate joint according to claim 4, wherein the second joint (22) comprises a second connecting plate (221), a third flow guiding channel (222), a fourth flow guiding channel (223) and a port seat (224), the second connecting plate (221) is tightly brazed with a threaded hole (31) and a bolt (3) and then is in sealing connection with the first connecting plate (215), the second connecting plate (221) is provided with the third flow guiding channel (222) and the fourth flow guiding channel (223), the third flow guiding channel (222) and the fourth flow guiding channel (223) are integrally connected with the second connecting plate (221), and the third flow guiding channel (222) and the fourth flow guiding channel (223) are communicated with the second connecting plate (221).
  6. 6. The converging split type self-positioning cold plate joint according to claim 5, wherein one ends of the third flow guiding channel (222) and the fourth flow guiding channel (223) far away from the second connecting plate (221) are both connected to the port seat (224), the third flow guiding channel (222) and the fourth flow guiding channel (223) are both communicated with the port seat (224), a first inlet and outlet port (2241) and a second inlet and outlet port (2242) are arranged on the port seat (224), and the first inlet and outlet port (2241) and the second inlet and outlet port (2242) are used for cooling a passenger car battery by inlet and outlet cooling liquid.
  7. 7. The converging split type self-positioning cold plate joint according to claim 6, wherein the end surface of the second connecting plate (221) is provided with a plug rod (2211), the plug rod (2211) is of a hollow structure, the plug rod (2211) is communicated with the second connecting plate (221), a first sealing ring (2212) and a second sealing ring (2213) are arranged in a groove formed in the surface of the plug rod (2211), and the second connecting plate (221) is connected with the first connecting plate (215) by inserting the plug rod (2211) into the first connecting plate (215) and adopting the first sealing ring (2212) and the second sealing ring (2213).
  8. 8. The split self-positioning cold plate joint according to claim 7, wherein the end surface of the first connecting plate (215) is provided with a slot (2151) into which a plug rod (2211) is inserted, and the plug rod (2211) is matched with the slot (2151).
  9. 9. The converging split type self-positioning cold plate joint according to claim 8, wherein threaded holes (31) are formed in the first connecting plate (215) and the second connecting plate (221), and the first connecting plate (215) and the second connecting plate (221) are installed in the threaded holes (31) through bolts (3) to be fastened and brazed and then are in sealing connection.
  10. 10. A self-positioning method of a confluence split type self-positioning cold plate joint for self-positioning mounting the confluence split type self-positioning cold plate joint on a cold plate (1) according to claim 9, characterized by comprising the steps of: S1, processing positioning convex points (2121) at two ends of a second connecting support (212), and arranging positioning grooves (111) matched with the positioning convex points (2121) on the side end surfaces of the cold plate (1); S2, mounting the positioning convex points (2121) processed on the second connecting support (212) in the positioning grooves (111) formed in the cold plate (1), and enabling the second connecting support (212) and the first connecting support (211) to be embedded in the cold plate (1) for connection and fixation, so that the self-positioning of the joint structure (2) on the cold plate (1) is realized.

Description

Converging split type self-positioning cold plate joint and self-positioning method Technical Field The invention relates to the technical field of heat management of batteries of passenger cars, in particular to a converging split type self-positioning cold plate joint and a self-positioning method. Background The core background of the heat management of the battery of the passenger car is the explosion of the new energy automobile industry, the upgrading of the battery technology, the strict requirements on policy and safety, and the improvement of the requirements of users on endurance and quick charge, so that the auxiliary technology is promoted to be upgraded into the core technology, and key pain points such as thermal runaway, low-temperature endurance attenuation and the like of the battery are dealt with. Wherein, the split type self-align cold plate joint that converges is consequently produced, becomes the key technical direction of promoting cold plate quality. The converging split type self-positioning cold plate joint is taken as a typical representative of modularization and intensification of the heat management technology of the passenger car, and a heat management mode of the passenger car is being remodeled. In the future, with the continuous breakthrough of material science, intelligent control and manufacturing process, the device plays a more core role in energy transformation, and the power assisting device realizes 0 thermal management runaway without low-temperature endurance attenuation. Disclosure of Invention The invention aims to provide a converging split type self-positioning cold plate joint and a self-positioning method, wherein the cold plate joint is designed in a standardized manner, the cold plate joint is supported to be firmly brazed on a cold plate, the internal structure of the standardized cold plate joint is designed, the occupied space of a connecting pipe is reduced, the heat exchange efficiency is improved, the pressure-resistant and temperature-resistant scene requirement is met, the monomer manufacturing cost is reduced through modularized production and large-scale manufacturing, the An Zhuangyun-dimensional flow is simplified, the labor and time investment is reduced, and the economy is improved, so that the problems in the background technology are solved. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides a split type self-align cold plate joint converges, includes the cold plate of constituteing by dull and stereotyped and cooling runner, the cooling runner sets up at the surface of dull and stereotyped, the one end of cold plate is equipped with joint structure, joint structure is located the dull and stereotyped one side terminal surface of keeping away from the cooling runner, joint structure includes first joint and second joint, first joint and second joint adopt screw hole and bolt-up to braze back sealing connection. Specifically, the first joint and the second joint adopt threaded holes and bolts to fasten and braze back sealing connection, can make the joint structure can match integral type and use, have avoided the processing degree of difficulty of all-in-one machine. Preferably, the first connector comprises a first connecting support, a second connecting support, a first drainage channel, a second drainage channel and a first connecting plate, wherein the first connecting plate is provided with the first drainage channel and the second drainage channel, the first drainage channel and the second drainage channel are integrally connected with the first connecting plate, and the first drainage channel and the second drainage channel are communicated with the first connecting plate. Specifically, the first connection support, the second connection support, the first drainage channel, the second drainage channel and the first connection plate are mutually communicated, so that cooling liquid circulation is facilitated. Preferably, one end of the first drainage channel far away from the first connecting plate is connected to the first connecting support, the first drainage channel is communicated with the first connecting support, one end of the second drainage channel far away from the first connecting plate is connected to the second connecting support, the second drainage channel is communicated with the second connecting support, and the first connecting support and the second connecting support are embedded in the flat plate. Specifically, the cooling liquid flows into the first drainage channel through the first connecting plate and flows into the first connecting support so as to enter the cold plate, and after being cooled, flows into the second drainage channel through the second connecting support and flows into the first connecting plate so as to realize the discharge of the cooled cooling liquid. Preferably, the two ends of the second connecting support