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CN-224234038-U - Friction welding liquid cooling plate and power box

CN224234038UCN 224234038 UCN224234038 UCN 224234038UCN-224234038-U

Abstract

The utility model relates to the technical field of liquid cooling plates, in particular to a friction welding liquid cooling plate and a power supply box, wherein the friction welding liquid cooling plate comprises a base plate and a cover plate, a first through hole is formed in the base plate, a boss is arranged on the cover plate, the boss penetrates through the first through hole, and the part of the boss extending into the first through hole is connected with the base plate. According to the friction welding liquid cooling plate, the boss is matched with the first through hole, a new friction welding seam can be formed between the base plate and the cover plate, holes are not required to be formed in the cover plate, a continuous planar area with a large area is conveniently formed in the cover plate for installing components or arranging auxiliary structures, and the new friction welding seam is located at the position where the boss stretches into the first through hole and is slightly influenced by the structures on the surface of the cover plate, so that the installation position is relatively flexible, the new friction welding seam is conveniently arranged close to a runner, the compressive strength of the runner is increased, and the deformation risk and leakage risk are reduced.

Inventors

  • LIU FENGJUN
  • LI TAO
  • LI ZHONGZHENG

Assignees

  • 四川欣航源科技有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (10)

  1. 1. The utility model provides a friction welding liquid cooling board, its characterized in that includes base plate (1) and apron (2), be equipped with first through-hole (11) on base plate (1), be equipped with boss (22) on apron (2), boss (22) wear to establish first through-hole (11), boss (22) stretch into the part of first through-hole (11) with base plate (1) are connected.
  2. 2. The friction welding liquid cooling plate according to claim 1, wherein a portion of the boss (22) extending into the first through hole (11) can be formed into an integral structure with the substrate (1) by friction welding connection; The novel glass substrate comprises a substrate (1) and a cover plate (2), wherein a flow channel (3) is formed between the substrate (1) and the cover plate (2), the substrate (1) comprises a first plate surface (12) and a second plate surface (13) which are opposite to each other, a boss (22) is arranged on the lower surface (23) of the cover plate (2), the cover plate (2) is covered on the substrate (1) in a mode that the lower surface (23) faces the first plate surface (12), the edge of the cover plate (2) is connected with the first plate surface (12) through friction welding, and the edge of the boss (22) is connected with the second plate surface (13) through friction welding.
  3. 3. The friction welding liquid cooling plate according to claim 2, wherein the second plate surface (13) is provided with a concave portion (14), the bottom surface of the concave portion (14) is lower than the peripheral surface, and the boss (22) is positioned in the concave portion (14); and/or the flow channel (3) is used for circulating liquid cooling medium.
  4. 4. The friction welding liquid cooling plate according to claim 2, wherein a runner groove (31) is provided on the first plate surface (12), and the cover plate (2) covers the runner groove (31) to form the runner (3); Be equipped with in runner recess (31) along runner (3) first baffle (32) that extend, lower surface (23) of apron (2) are equipped with along runner (3) second baffle (33) that extend, first baffle (32) and second baffle (33) are followed the horizontal interval setting of runner (3).
  5. 5. The friction welding liquid cooling plate according to claim 2, wherein the first plate surface (12) is provided with a concave lap joint platform (15), the cover plate (2) is lapped on the lap joint platform (15), and the upper surface (24) of the cover plate (2) is flush with the first plate surface (12).
  6. 6. The friction welding liquid cooling plate according to claim 5, wherein a gap between a side surface of the cover plate (2) and the base plate (1) is h≤0.1 mm.
  7. 7. The friction welding liquid cooling plate according to claim 2, wherein at least one second through hole (21) is formed in the cover plate (2), the edge, close to the second through hole (21), of the cover plate (2) is connected with the base plate (1) through friction welding, and at least two continuous annular friction welding seams are formed between the upper surface (24) of the cover plate (2) and the first plate surface (12).
  8. 8. A friction welding liquid cooling plate according to any one of claims 2-7, characterized in that the upper surface (24) of the cover plate (2) is provided with a first shroud (25), the first shroud (25) is used for enclosing to form a first mounting groove (26), the second plate (13) is provided with a second shroud (16), the second shroud (16) is used for enclosing to form a second mounting groove (17), and the runner (3) flows through the bottoms of the first mounting groove (26) and the second mounting groove (17).
  9. 9. A friction welding liquid cooling plate according to any one of claims 2-7 wherein: The substrate (1) is also provided with a first channel port (34) and a second channel port (35) which are communicated with the flow channel (3), the first channel port (34) and the second channel port (35) form a loop through the flow channel (3), and the first channel port (34) and the second channel port (35) are positioned on the same side of the liquid cooling plate; and/or the substrate (1) is made of one of an aluminum alloy and a copper alloy; and/or the cover plate (2) is made of one of an aluminum alloy and a copper alloy; and/or the flow channel (3) is serpentine; And/or grooves are respectively arranged on the cover plate (2) and the base plate (1) at the welding position, and the inclination angle of the grooves is a, and a is more than or equal to 30 degrees and less than or equal to 60 degrees.
  10. 10. A power supply box, which is characterized by comprising a box body and the friction welding liquid cooling plate as claimed in any one of claims 1-9, wherein the friction welding liquid cooling plate is positioned in the box body, and a power supply module is connected to the friction welding liquid cooling plate.

Description

Friction welding liquid cooling plate and power box Technical Field The utility model relates to the technical field of liquid cooling plates, in particular to a friction welding liquid cooling plate and a power box. Background The conventional liquid cooling plate is mainly welded and connected with the plate surface of the substrate by adopting friction stir welding, brazing and other modes, and hollow holes are formed in the cover plate under partial conditions so as to increase welding seams and enable the welding seams to be close to a runner which is arranged in a bending way. Disclosure of utility model The utility model aims to solve the problems that in the prior art, a friction welding path is adopted to run along the periphery of a flow channel in the conventional liquid cooling plate processing, and the arrangement of devices can seriously influence the friction welding feeding path, so that the friction welding path can only avoid to a position far away from the flow channel, and provides a friction welding liquid cooling plate and a power box. In a first aspect, the utility model provides a friction welding liquid cooling plate, which comprises a substrate and a cover plate, wherein a first through hole is formed in the substrate, a boss is arranged on the cover plate, the boss penetrates through the first through hole, and the part of the boss extending into the first through hole is connected with the substrate. According to the friction welding liquid cooling plate, the boss is matched with the first through hole, a new friction welding seam can be formed between the base plate and the cover plate, holes are not required to be formed in the cover plate, a continuous planar area with a large area is conveniently formed in the cover plate for installing components or arranging auxiliary structures, and the new friction welding seam is located at the position where the boss stretches into the first through hole and is slightly influenced by the structures on the surface of the cover plate, so that the installation position is relatively flexible, the new friction welding seam is conveniently arranged close to a runner, the compressive strength of the runner is increased, and the deformation risk and leakage risk are reduced. Preferably, the part of the boss extending into the first through hole can be connected with the substrate through friction welding to form an integral structure. Preferably, a flow passage is formed between the base plate and the cover plate. Preferably, the substrate comprises a first plate surface and a second plate surface which are opposite to each other, the boss is arranged on the lower surface of the cover plate, the cover plate is covered on the substrate in a mode that the lower surface of the cover plate faces the first plate surface, the edge of the cover plate is connected with the first plate surface through friction welding, and the edge of the boss is connected with the second plate surface through friction welding. The friction welding liquid cooling plate optimizes the flow passage design and welding process, adopts the double-sided friction welding technology to form welding seams on two sides of the substrate, can ensure that the welding seams are close to the flow passage while ensuring that the cover plate has a larger plate surface, is beneficial to reducing the deformation of the internal flow passage and improving the compressive strength of the flow passage, thereby improving the structural strength of the liquid cooling plate. Preferably, the second plate surface is provided with a concave part, the bottom surface of the concave part is lower than the peripheral surface, the boss is positioned in the concave part, and the top surface of the boss is flush with the bottom surface of the concave part. Preferably, the flow channel is used for circulating a liquid cooling medium. Preferably, the first plate surface is provided with a runner groove, and the cover plate covers the runner groove to form the runner. Preferably, a first partition plate extending along the flow passage is arranged in the flow passage groove, a second partition plate extending along the flow passage is arranged on the lower surface of the cover plate, and the first partition plate and the second partition plate are arranged at intervals along the transverse direction of the flow passage. Preferably, the first plate surface is provided with a concave lap joint platform, the cover plate is lapped on the lap joint platform, and the upper surface of the cover plate is flush with the first plate surface. Preferably, a gap between the side surface of the cover plate and the base plate is h which is less than or equal to 0.1mm. Preferably, the cover plate is provided with at least one second through hole, the edge, close to the second through hole, of the cover plate is connected with the base plate through friction welding, and at least two continuous annular friction welding seam