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CN-122015283-A - Air-cooled PTC core radiating fin mechanism

CN122015283ACN 122015283 ACN122015283 ACN 122015283ACN-122015283-A

Abstract

The invention discloses an air-cooled PTC core radiating fin mechanism, which relates to the technical field of new energy automobile heating systems and comprises a core assembly and a control assembly, wherein the core assembly comprises a radiating fin assembly, a heating pipe and a framework assembly, the radiating fin assembly is manufactured through integral stamping and forming, the radiating fin assembly is in the shape of a plurality of fins which are arranged in parallel and used for enhancing the radiating area, and the fins comprise ventilating radiating fins a and heating pipe heat conducting fins b which are arranged at intervals. The heat dissipation fin of the core body is produced by integrally stamping and forming the skeletons at the two sides, the middle part and the top skeleton of the fin, the heat dissipation fin is inserted into the heating pipe, the fin is inserted into the skeletons, the fin is directly contacted with the heating pipe through the clamping ring, the core body is simple in assembly production process and suitable for mass automatic production, the heating pipe support is connected with metal, the contact resistance is small, the core body noise is small, and the heating pipe and the fin do not need to bake an insulating film at high temperature and cannot be damaged due to high temperature.

Inventors

  • CHENG XIULONG
  • QIAN JUN
  • XU XIAOLI
  • HUANG YUNDONG

Assignees

  • 上海耀杉电子科技有限公司

Dates

Publication Date
20260512
Application Date
20260211

Claims (9)

  1. 1. An air-cooled PTC core radiating fin mechanism is characterized by comprising a core assembly (100) and a control assembly (200); The core assembly (100) comprises a radiating fin assembly (101), a heating pipe (104) and a framework assembly (105); the radiating fin assembly (101) is manufactured through integral stamping and forming, the radiating fin assembly is in the shape of a plurality of fins (102) which are arranged in parallel and used for enhancing the radiating area, and the fins (102) comprise ventilating radiating fins (102 a) and heating pipe heat conducting fins (102 b) which are arranged at intervals; The radiating fin assembly (101) is provided with a clamping ring (103), the clamping ring (103) is of an annular elastic structure, is sleeved outside the heating pipe (104), and realizes heat conduction through direct contact; The framework assembly (105) is formed by integral stamping and comprises two side frameworks (105 a), a top framework (105 b) and a bottom framework (105 c) which are used for supporting and fixing the radiating fin assembly (101) and the heating pipe (104); The radiating fin assembly (101) is connected with the heating pipe (104) in an inserting mode, and no gluing or high-temperature baking is needed; The control assembly (200) comprises a control box (201) and an upper cover (202), and is connected with the core assembly (100) in a screw locking mode.
  2. 2. The cooling fin mechanism for an air-cooled PTC core body according to claim 1, wherein the fins (102) of the cooling fin assembly (101) are in a rectangular sheet structure, and the two side frames (105 a), the bottom frame (105 c) and the top frame (105 b) of the fins are integrated by integral stamping to optimize air flow and cooling efficiency.
  3. 3. An air-cooled PTC core radiating fin mechanism as claimed in claim 1, wherein the clamping ring (103) is made of a metal material, the inner diameter of the clamping ring is smaller than the outer diameter of the heating pipe (104), and the surface of the heating pipe (104) is clamped by elastic deformation, so that the contact area is increased, and the heat conduction efficiency is improved.
  4. 4. The cooling fin mechanism of the air-cooled PTC core body according to claim 1, wherein the inserting mode is connected into a stacked inserting mode, the heating pipes (104) are of a plurality of tubular structures, and the heating pipes are inserted into fin gaps of the cooling fin assembly (101) in parallel, so that the heating pipes (104) are conducted through metal fins, and capacitive noise during PWM regulation is reduced.
  5. 5. An air-cooled PTC core heat sink fin mechanism according to claim 1, further comprising a waterproof assembly (300), wherein the waterproof assembly (300) comprises a gasket (301) and a glue-pouring groove (302); The sealing gasket (301) is arranged between the control box (201) and the core assembly (100) and between the control box (201) and the upper cover (202), and physical sealing is realized through screw locking; the glue filling groove (302) is arranged at the base part of the core body assembly (100), and a waterproof layer is formed by filling epoxy resin glue.
  6. 6. The air-cooled PTC core radiating fin mechanism of claim 5, wherein the high-pressure and low-pressure ports of the control assembly (200) are waterproof through screw fastening connectors (303), the connectors (303) are of a threaded structure, and are screwed after being matched with the interfaces to block moisture invasion.
  7. 7. The cooling fin mechanism of an air-cooled PTC core body as set forth in claim 1, wherein a side skeleton (105 a) of said skeleton assembly (105) is provided with a fastening structure (105 d) for being inserted and assembled with fins (102) of said cooling fin assembly (101), thereby ensuring the overall stability, and being suitable for an automated production line.
  8. 8. The air-cooled PTC core radiating fin mechanism of claim 1, wherein the integrated mechanism is applied to a new energy automobile air conditioner and a battery thermal management system and assembled through integrated stamping forming and inserting.
  9. 9. An air-cooled PTC core heat sink fin mechanism according to claim 1, further comprising a housing assembly (400), said housing assembly (400) comprising an upper core base (401) and a lower core base (402); The core assembly (100) is located between the upper core substrate (401) and the lower core substrate (402) and is connected through a fastener (403), the upper core substrate (401) and the lower core substrate (402) are rectangular frame bodies and are made of aluminum alloy materials, clamping grooves (404) are formed in the inner walls of the upper core substrate and the lower core substrate, and the upper core substrate and the lower core substrate are assembled with side frameworks (105 a) of the framework assembly (105) in an inserting mode to form a sealed protection shell body for dust prevention, mechanical support and waterproof enhancement.

Description

Air-cooled PTC core radiating fin mechanism Technical Field The invention relates to the technical field of heating systems of new energy automobiles, in particular to an air-cooled PTC core radiating fin mechanism. Background The existing new energy automobile air conditioner and battery thermal management system consists of a heating and refrigerating system. The heating system consists of an air-cooled PTC heating and water-cooled heater, and the air-conditioner refrigerating and battery cooling system is completed by a compressor refrigerating and radiating system. The heating of the air conditioning box is regulated by an air-cooled PTC heating controller, and the battery thermal management system is regulated by a water-cooled heater. The existing air-cooled PTC radiating fin has the problems that the production process is complex, the assembly procedures of the radiating fin and a heating pipe are many, the radiating fin and the heating pipe are bonded through glue and are required to be baked at high temperature, the resistance between the heating pipes is large, the noise of a core body is large during working, an insulating film is damaged due to high-temperature baking, and defective products of products are increased. Disclosure of Invention The invention aims to solve the problems that the production process of the air-cooled PTC radiating fin of the new energy automobile is complex, the assembly procedures of the radiating fin and the heating pipe are more, the radiating fin and the heating pipe are adhered by glue and need to be baked at high temperature, the resistance between the heating pipes is large, the core body noise is large during working, the insulating film is damaged due to high-temperature baking, and the defective products of products are increased, and the like, and the invention provides the following technical scheme for realizing the purposes: an air-cooled PTC core radiating fin mechanism comprises a core assembly and a control assembly; the core assembly comprises a radiating fin assembly, a heating pipe and a framework assembly; the radiating fin component is manufactured through integral stamping and forming, and is in the shape of a plurality of fins which are arranged in parallel and used for enhancing the radiating area; The radiating fin assembly is provided with a clamping ring, the clamping ring is of an annular elastic structure, is sleeved outside the heating pipe, and realizes heat conduction through direct contact; the framework component is formed by integral stamping and comprises two side frameworks, a top framework and a bottom framework, and is used for supporting and fixing the radiating fin component and the heating pipe; The radiating fin component is connected with the heating pipe in an inserting mode, and no gluing or high-temperature baking is needed; The control assembly comprises a control box and an upper cover, and is connected with the core assembly in a screw locking mode. Preferably, the fins of the radiating fin assembly are of rectangular sheet structures, and the skeletons at two sides, the bottom skeleton and the top skeleton of the fin are integrated through integral stamping forming, so that the airflow and the radiating efficiency are optimized. Preferably, the clamping ring is made of a metal material, the inner diameter of the clamping ring is smaller than the outer diameter of the bottom framework of the heating pipe, and the surface of the heating pipe is clamped through elastic deformation, so that the contact area is increased, and the heat conduction efficiency is improved. Preferably, the plug-in mounting mode is connected into a stacked plug-in mounting mode, the heating pipes are of a plurality of tubular structures and are inserted into fin gaps of the radiating fin assembly in parallel, so that the heating pipes are conducted through the metal fins, and capacitive noise during PWM regulation is reduced. Preferably, the waterproof assembly comprises a sealing gasket and a glue filling groove; The sealing gasket is arranged between the control box and the core body assembly and between the control box and the upper cover, and physical sealing is realized through screw locking; the glue filling groove is arranged at the base part of the core body assembly, and the waterproof layer is formed by filling epoxy resin glue. Preferably, the high-pressure and low-pressure ports of the control assembly are waterproof through screw fastening connectors, the connectors are of threaded structures, and the connectors are screwed after being matched with the ports to block moisture invasion. Preferably, the side skeleton of skeleton subassembly is equipped with buckle structure, with the fin plug-in fitting of radiating fin subassembly, ensures overall stability, is applicable to automated production line. Preferably, the integral mechanism is applied to a new energy automobile air conditioner and a battery thermal management system and a