CN-121782780-B - Economical heat exchanger for automobile

CN121782780BCN 121782780 BCN121782780 BCN 121782780BCN-121782780-B

Abstract

The invention relates to the technical field of automobile heat exchange, and discloses an economic heat exchanger for automobiles, which comprises a flow guide part, a heat exchange part and an adsorption part, wherein the heat exchange part comprises an inner runner pipe, an outer runner pipe, a separation net and heat conducting sand; the magnetic attraction block is movably arranged at the outer side of the outer flow channel pipe. The magnetic attraction block moves with the adsorbed heat-conducting sand, when the magnetic attraction block moves to one side of the separation net far away from the constraint cavity, the magnetic force of the magnetic attraction block cannot support the part of heat-conducting sand, the part of heat-conducting sand flows in the constraint cavity along with gaseous or liquid refrigerant, the flowing heat-conducting sand is used as a heat-conducting medium, and therefore heat-conducting efficiency of the refrigerant is improved, and heat exchange can be conducted between the refrigerant and the outer flow channel tube more efficiently.

Inventors

HU CUIWEI
ZHANG JIANFA
ZHONG ZHIPENG
FENG LIANG
XIAO WEI
LIN LI

Assignees

广东法拉达汽车散热器有限公司

Dates

Publication Date: 20260512
Application Date: 20260305

Claims (9)

1. The economic heat exchanger for the automobile is characterized by comprising a flow guiding component, a heat exchange component and an adsorption component, wherein the flow guiding component is provided with a refrigerant input end, a refrigerant output end, a cooling liquid input end and a cooling liquid output end; The heat exchange component comprises an inner runner pipe, an outer runner pipe, a separation net and heat conducting sand, wherein one end of the inner runner pipe is communicated with the cooling liquid input end, the other end of the inner runner pipe is communicated with the cooling liquid output end, one end of the outer runner pipe is communicated with the refrigerant input end, the other end of the outer runner pipe is communicated with the refrigerant output end, the inner runner pipe is attached to the outer runner pipe, the separation net is arranged in the outer runner pipe, the outer runner pipe is separated into at least one constraint cavity through the separation net, a plurality of heat conducting sand are filled in the constraint cavity, the heat conducting sand is in contact with the outer runner pipe, and the heat conducting sand is made of a magnetically attractable material; The adsorption component comprises a magnetic attraction block and an auxiliary moving mechanism, wherein the magnetic attraction block is movably arranged on the outer side of the outer flow channel pipe, when the magnetic attraction block moves to a position close to the constraint cavity, the magnetic attraction block adsorbs and drives the heat-conducting sand in the constraint cavity to move, the auxiliary moving mechanism is used for driving the magnetic attraction block to move, and when the magnetic attraction block moves to a position close to the constraint cavity, the auxiliary moving mechanism drives the magnetic attraction block to move towards a direction close to the refrigerant input end; The outer flow channel pipe consists of an outer layer wall and an inner layer wall, the heat conducting sand is in contact with the outer layer wall, the heat conducting sand is in contact with the inner layer wall, a circulation gap for conveying a refrigerant is formed between the outer layer wall and the inner layer wall, and the inner layer wall of the outer flow channel pipe is wrapped outside the inner flow channel pipe; The heat exchange component further comprises a first spoiler provided with a flow guide surface and a second spoiler provided with an inclined surface, and the first spoiler and the second spoiler are fixedly arranged in the constraint cavity; The economic heat exchanger for the automobile further comprises a communication part and a first radiating fin, wherein the communication part comprises an outer pipe and an inner pipe, the outer pipe is wrapped outside the inner pipe, the outer pipe is attached to the inner pipe, the cooling liquid input end and the cooling liquid output end are respectively communicated with two ends of the inner runner pipe through the inner pipe, the inner runner pipe is communicated with the cooling liquid input end through one of the inner pipes, and the inner runner pipe is communicated with the cooling liquid output end through the other inner pipe.
2. The automotive economizer heat exchanger of claim 1 wherein the oblique direction of the flow-directing surface directs the refrigerant toward the inner wall and the oblique direction of the inclined surface directs the refrigerant toward the outer wall.
3. The economical heat exchanger for an automobile according to claim 1, wherein at least one auxiliary moving mechanism is arranged outside the outer runner pipe, the auxiliary moving mechanism comprises a belt pulley, a transmission belt and a driving piece, two belt pulleys are rotatably arranged outside the outer runner pipe, the transmission belt is connected in a wound mode with the two belt pulleys, a plurality of magnetic attraction blocks are arranged on the transmission belt, and the driving piece is used for driving the belt pulley to rotate so as to drive the magnetic attraction blocks on the transmission belt to move.
4. The economical heat exchanger for a vehicle as claimed in claim 1, wherein said outer flow path tube and said refrigerant input end are communicated through one of said outer side tubes, said outer flow path tube and said refrigerant output end are communicated through the other of said outer side tubes, and said first fin is provided on an outer surface of said outer side tube.
5. The automotive economizer heat exchanger as recited in claim 1 wherein the end of the inner flowpath tube remote from the refrigerant input is the coolant input such that the direction of flow of coolant in the inner flowpath tube is opposite the direction of flow of refrigerant in the outer flowpath tube.
6. The economical heat exchanger for an automobile according to claim 1, wherein said outer flow path tube comprises a plurality of heat conductive fins, one side of said heat conductive fins being connected to said outer layer wall, and the other side of said heat conductive fins being connected to said inner layer wall.
7. The economical heat exchanger for an automobile according to claim 1, wherein the adsorption member further comprises a heat conduction frame, a plurality of heat conduction pipes are provided on the heat conduction frame, both the heat conduction frame and the heat conduction pipes are in contact with the outside of the outer flow path pipe, and a third heat radiation fin is further provided on the heat conduction frame.
8. An economical heat exchanger for a vehicle according to claim 3, wherein said driving member is a vane carrier, and a center shaft of said vane carrier is drivingly connected to one of said pulleys.
9. The automotive economizer heat exchanger of claim 1 wherein the outer flow tube surface is provided with second fins.

Description

Economical heat exchanger for automobile Technical Field The invention relates to the technical field of automobile heat exchange, in particular to an economic heat exchanger for an automobile. Background The automobile is provided with the cooling system and the air conditioning system, the heat exchanger is a device which uses the cooling system to supply heat to the air conditioning system, efficiently utilizes heat generated by a generator or an engine of the automobile, improves the temperature in the cockpit in winter, is more economical and environment-friendly, cools the automobile more efficiently through the air conditioning system in summer, and the function of the heat exchanger is mainly realized by virtue of higher heat exchange efficiency. However, since the heat conductivity of the refrigerant is low, the heat exchange efficiency of the existing heat exchanger is usually improved only by increasing the length of the pipe or increasing the contact area between the heat exchanger and the air, but the heat exchange efficiency between the refrigerant and the pipe in the heat exchanger cannot be effectively improved, and when the refrigerant flows through the heat exchanger, the heat exchange efficiency between the refrigerant and the pipe cannot be effectively improved due to the fact that the heat transfer medium is inconvenient to add into the refrigerant in the existing heat exchanger, which results in low heat exchange efficiency between the refrigerant and the pipe. Disclosure of Invention In order to overcome the defects of the prior art, the invention aims to provide an economic heat exchanger for an automobile, so as to solve the problem that the heat exchange efficiency of a refrigerant and a pipeline is low because the heat conduction efficiency of the refrigerant cannot be improved when the refrigerant flows through the heat exchanger. The economic heat exchanger for the automobile comprises a flow guiding component, a heat exchange component and an adsorption component, wherein the flow guiding component is provided with a refrigerant input end, a refrigerant output end, a cooling liquid input end and a cooling liquid output end; The heat exchange component comprises an inner runner pipe, an outer runner pipe, a separation net and heat conducting sand, wherein one end of the inner runner pipe is communicated with a cooling liquid input end, the other end of the inner runner pipe is communicated with a cooling liquid output end, one end of the outer runner pipe is communicated with a cooling liquid input end, and the other end of the outer runner pipe is communicated with a cooling liquid output end; The adsorption component comprises a magnetic attraction block and an auxiliary moving mechanism, wherein the magnetic attraction block is movably arranged on the outer side of the outer flow channel pipe, when the magnetic attraction block moves to a position close to the constraint cavity, the magnetic attraction block adsorbs and drives heat-conducting sand in the constraint cavity to move, the auxiliary moving mechanism is used for driving the magnetic attraction block to move, and when the magnetic attraction block moves to a position close to the constraint cavity, the auxiliary moving mechanism drives the magnetic attraction block to move towards a direction close to the refrigerant input end. Preferably, the outer runner pipe is composed of an outer layer wall and an inner layer wall, the heat conducting sand can be in contact with the outer layer wall, the heat conducting sand can also be in contact with the inner layer wall, a circulation gap for conveying the refrigerant is formed between the outer layer wall and the inner layer wall, and the inner layer wall of the outer runner pipe is wrapped outside the inner runner pipe. Preferably, the heat exchange component further comprises a first spoiler provided with a flow guide surface and a second spoiler provided with an inclined surface, the first spoiler and the second spoiler are fixedly arranged in the constraint cavity, the inclined direction of the flow guide surface can guide the refrigerant to move towards the direction close to the inner wall, and the inclined direction of the inclined surface can guide the refrigerant to move towards the direction close to the outer wall. The auxiliary moving mechanism comprises belt pulleys, a transmission belt and a driving piece, wherein the two belt pulleys are rotatably arranged on the outer side of the outer runner pipe, the two belt pulleys are connected with the transmission belt in a wound mode, a plurality of magnetic attraction blocks are arranged on the transmission belt, and the driving piece is used for driving the belt pulleys to rotate so as to drive the magnetic attraction blocks on the transmission belt to move. Preferably, the economic heat exchanger for the automobile further comprises a communication part and a first radiating fin, wherein the communication part com