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CN-116518765-B - Integrated heat exchanger of automobile heat pump system

CN116518765BCN 116518765 BCN116518765 BCN 116518765BCN-116518765-B

Abstract

The invention discloses an integrated heat exchanger of an automobile heat pump system, which belongs to the technical field of automobile heat management devices and comprises a cooling medium pipeline, a cooling medium flowing pipeline, a refrigerant flowing pipeline and a dust removing component, wherein the cooling medium is arranged in the cooling medium pipeline, the cooling medium flowing pipeline is coaxially and fixedly connected to the inside of the cooling medium pipeline, the cooling medium flowing pipeline is coaxially and fixedly sleeved on the outer wall of the cooling medium flowing pipeline, radiating fins are arranged on the outer sides of the cooling medium pipeline and the cooling medium flowing pipeline, the dust removing component is arranged on the outer side of the cooling medium pipeline, and a dust scraping ring of the dust removing component moves up and down to scrape dust on the radiating fins and uniformly heats the cooling medium in the cooling medium pipeline by means of the dust removing component. The invention utilizes the cooling medium in the middle to exchange heat with the cooling liquid and the refrigerant, and can exchange heat uniformly.

Inventors

  • WANG XIAODONG
  • ZHANG HAIYAN
  • CHEN LEI
  • YAO GUANGSHENG

Assignees

  • 芜湖德鑫汽车空调有限公司

Dates

Publication Date
20260505
Application Date
20230425

Claims (7)

  1. 1. The integrated heat exchanger of the automobile heat pump system is characterized by comprising a cooling medium pipeline (1), a cooling medium flowing pipeline (2), a refrigerant flowing pipeline (3) and a dust removing component (4), wherein cooling medium is arranged in the cooling medium pipeline (1), the cooling medium flowing pipeline (3) is coaxially and fixedly connected to the inside of the cooling medium pipeline (1), the cooling medium flowing pipeline (2) is coaxially and fixedly sleeved on the outer wall of the cooling medium pipeline (1), radiating fins (10) are arranged on the outer sides of the cooling medium pipeline (1) and the cooling medium flowing pipeline (2), the dust removing component (4) is arranged on the outer side of the cooling medium pipeline (1), and a dust scraping ring (44) of the dust removing component (4) moves up and down to scrape dust on the radiating fins (10) and uniformly heats the cooling medium in the cooling medium pipeline (1) by means of the dust removing component (4).
  2. 2. The heat exchanger of claim 1, wherein the dust removing component (4) comprises an upper protruding part (40), a lower protruding part (41), a screw rod (43), a first U-shaped connecting rod (45) and a second U-shaped connecting rod (46), the upper protruding part (40) and the lower protruding part (41) are respectively and fixedly connected to the top and the bottom of the cooling medium pipeline (1), the screw rod (43) is rotatably connected between the upper protruding part (40) and the lower protruding part (41), the screw rod (43) is driven by a driving motor (42), a separable dust scraping ring (44) is connected to the screw rod (43) through threads, the dust scraping ring (44) and the cooling medium pipeline (1) are in a coaxial structure, bristles are arranged on the inner wall of the dust scraping ring (44), the first U-shaped connecting rod (45) and the second U-shaped connecting rod (46) are symmetrically and fixedly connected between the two sides of the dust scraping ring (44), the first U-shaped connecting rod (45) and the second U-shaped connecting rod (46) are connected to the upper protruding part (40) and the second U-shaped connecting rod (46) in a sliding mode, the first U-shaped connecting rod (45) and the second U-shaped connecting rod (46) drive the stirring assembly (5) to move up and down.
  3. 3. The heat exchanger of claim 2, wherein the dust scraping ring (44) comprises a first connecting portion (440), a second connecting portion (441), a groove (442), a spring (444) and a wedge-shaped block (443), openings are formed in two sides of the dust scraping ring (44) and divide the dust scraping ring (44) into the first connecting portion (440) and the second connecting portion (441) by means of the openings, two ends of the tops of the first U-shaped connecting rod (45) and the second U-shaped connecting rod (46) are respectively fixed at the bottoms of the first connecting portion (440) and the second connecting portion (441), a groove (442) is formed in one side of the first connecting portion (440) and the wedge-shaped block (443) is connected in a sliding mode in the groove (442), the spring (444) is fixedly connected between the wedge-shaped block (443) and the groove (442), and the magnet (443) is arranged in the opposite side of the second connecting portion (45) and the groove (442), and the magnet (443) is matched with the wedge-shaped block (443).
  4. 4. The heat exchanger of claim 2, wherein the stirring assembly (5) comprises a stirring plate (51) and a sliding rod (50), the stirring plate (51) with an annular structure is connected inside the cooling medium pipeline (1) in a sliding manner, the stirring plate (51) is in a hollowed-out state, the sliding rod (50) is symmetrically and fixedly connected to two sides of the stirring plate (51), the ends of the sliding rod (50) on two sides are respectively and fixedly connected with the horizontal parts of the first U-shaped connecting rod (45) and the second U-shaped connecting rod (46), and the sliding rod (50) penetrates through the top of the cooling medium pipeline (1) and is connected with the top of the cooling medium pipeline (1) in a sliding manner.
  5. 5. An integrated heat exchanger for an automotive heat pump system according to claim 4 wherein said agitation plate (51) is in the same horizontal plane as said dust scraping ring (44).
  6. 6. The heat exchanger of claim 5, wherein a plurality of heat dissipating fins (10) are fixedly connected to the outer side of the cooling medium pipe (1) at regular intervals along the circumferential direction, the heat dissipating fins (10) penetrate out of the cooling medium flow pipe (2) and are provided with through holes (11) for circulating cooling liquid.
  7. 7. The integrated heat exchanger of an automobile heat pump system according to claim 1, wherein the inside of the refrigerant flowing pipe (3) is provided with a liquid refrigerant and the refrigerant flowing pipe (3) is communicated with the heat pump system, the three cooling liquid flowing pipes (2) are respectively an in-automobile electronic cooling liquid flowing pipe (22), a battery cooling liquid flowing pipe (23) and a motor cooling liquid flowing pipe (24), the in-automobile electronic cooling liquid flowing pipe (22), the battery cooling liquid flowing pipe (23) and the motor cooling liquid flowing pipe (24) are sequentially fixed on the outer side of the cooling medium pipe (1) from top to bottom, two sides of the cooling medium pipe (1) are respectively provided with an inlet flow pipe (25) and an outlet flow pipe (26), the inlet flow pipe (25) and the outlet flow pipe (26) are respectively communicated with the cooling liquid flowing pipe (2), and two sides of the in-automobile electronic cooling liquid flowing pipe (22), the battery cooling liquid flowing pipe (23) and the motor cooling liquid flowing pipe (24) are respectively communicated with the inlet flow pipe (25) and the outlet flow pipe (26) from top to the outlet flow pipe (25).

Description

Integrated heat exchanger of automobile heat pump system Technical Field The invention belongs to the technical field of automobile heat management devices, and particularly relates to an integrated heat exchanger of an automobile heat pump system. Background At present, a new energy automobile adopts a heat pump system to supply heat to a passenger cabin in the automobile, in order to ensure that the heat pump system keeps normal heating efficiency in winter, chinese patent CN216432616U discloses a dust collection radiator assembly and a technical scheme of the heat pump system, which collect cooling liquid of heating components in the automobile and refrigerant of the heat pump system into the same radiator, and the refrigerant is utilized to absorb heat of the cooling liquid, so that heat loss is reduced, and meanwhile, the heating efficiency of the heat pump is improved. However, the scheme has the following defects that as the cooling liquid and the refrigerant are collected into the same radiator, when refrigeration is carried out, the cooling liquid and the refrigerant simultaneously need to dissipate heat, the cooling liquid and the refrigerant directly exchange heat, good heat dissipation effects cannot be obtained, the heat dissipation of the subsequent cooling liquid and the refrigerant is affected, dust is easy to accumulate on the heat dissipation fins on the radiator, and the heat dissipation of the cooling liquid and the refrigerant is also affected by the existence of the dust. Disclosure of Invention The invention aims to provide an integrated heat exchanger of an automobile heat pump system, which aims to solve the problems that in the prior art, cooling liquid and refrigerant are collected into the same radiator, when refrigeration is carried out, the cooling liquid and the refrigerant simultaneously need to dissipate heat, the cooling liquid and the refrigerant directly exchange heat, good heat dissipation effects cannot be obtained, the heat dissipation of the subsequent cooling liquid and the refrigerant is affected, dust is easy to accumulate on heat dissipation fins on the radiator, and the heat dissipation of the cooling liquid and the refrigerant is affected by the existence of the dust. The utility model provides an integrated heat exchanger of car heat pump system, includes coolant pipeline, coolant circulation pipeline, refrigerant circulation pipeline and dust removal subassembly, the inside of coolant pipeline is equipped with coolant, the inside coaxial fixedly connected with of coolant pipeline the refrigerant circulation pipeline, the coaxial fixed cover of outer wall of coolant circulation pipeline is equipped with the coolant circulation pipeline, coolant pipeline and the outside of coolant circulation pipeline all is equipped with radiating fin just the outside of coolant pipeline is equipped with dust removal subassembly, dust removal subassembly scrape dirt ring up and down to the radiating fin scrape dirt and with the help of dust removal subassembly makes the inside coolant medium of coolant pipeline is heated evenly. Preferably, the dust removal assembly comprises an upper protruding portion, a lower protruding portion, a screw rod, a first U-shaped connecting rod and a second L-shaped connecting rod, the top and the bottom of the cooling medium pipeline are fixedly connected with the upper protruding portion and the lower protruding portion respectively, the screw rod is rotationally connected between the upper protruding portion and the lower protruding portion and driven by a driving motor, a detachable dust scraping ring is connected to the screw rod through threads, the dust scraping ring and the cooling medium pipeline are in a coaxial structure, bristles are arranged on the inner wall of the dust scraping ring, the first U-shaped connecting rod and the second U-shaped connecting rod are symmetrically and fixedly connected between two sides of the dust scraping ring, the vertical portions of the first U-shaped connecting rod and the second U-shaped connecting rod are in sliding connection with the upper protruding portion, the horizontal portions of the first U-shaped connecting rod and the second U-shaped connecting rod are located below the upper protruding portion, and the first U-shaped connecting rod and the second U-shaped connecting rod drive the stirring assembly to move up and down. Preferably, the dust scraping ring comprises a first connecting part, a second connecting part, a groove, a spring and a wedge block, wherein openings are formed in two sides of the dust scraping ring and divide the dust scraping ring into the first connecting part and the second connecting part by means of the openings, two ends of the tops of the first U-shaped connecting rod and the second U-shaped connecting rod are respectively fixed at the bottoms of the first connecting part and the second connecting part, one side of the first connecting part is provided with the g