Heat management apparatus and heat management system

Patent metadata

Field	Value
Publication number	US-12548817-B2
Application number	US-202117927983-A
Country	US
Kind code	B2
Filing date	May 26, 2021
Priority date	May 27, 2020
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A heat management apparatus comprises a first heat exchange portion, a second heat exchange portion and a throttle unit, wherein the first heat exchange portion is used for exchanging heat between a refrigerant throttled by the throttle unit, and a cooling liquid; and a first wall of the first heat exchange portion and a second wall of the second heat exchange portion are arranged opposite each other, such that the structure of the heat management apparatus is relatively compact.

First claim

What is claimed is:

1 . A heat management apparatus, comprising a throttle unit and a heat exchange core body, wherein the throttle unit is fixedly connected with the heat exchange core body or connected with the heat exchange core body in a limited manner, and the heat exchange core body comprises a plurality of plates which is stacked; the heat exchange core body comprises a first heat exchange portion and a second heat exchange portion located above the first heat exchange portion, the heat management apparatus comprises a refrigerant flow passage and a coolant flow passage, the coolant flow passage is located in the second heat exchange portion, the refrigerant flow passage comprises a first flow passage, a second flow passage and a third flow passage, the first flow passage and the second flow passage are located in the first heat exchange portion, the third flow passage is located in the second heat exchange portion, a refrigerant in the first flow passage is configured to exchange heat with a refrigerant in the second flow passage in the first heat exchange portion, a refrigerant in the third flow passage is configured to exchange heat with a coolant in the coolant flow passage in the second heat exchange portion; the first heat exchange portion comprises a first wall, the second heat exchange portion comprises a second wall, and the first wall is arranged opposite to the second wall; and
the throttle unit comprises a valve port portion, the valve port portion comprises a valve port, the first flow passage is in communication with the third flow passage through the valve port, and the third flow passage is in communication with the second flow passage.

2 . The heat management apparatus according to claim 1 , wherein a first opening is formed on the first wall, the first opening is in communication with the second flow passage, a second opening is formed on the second wall, the second opening is in communication with the third flow passage, the first opening and the second opening are arranged opposite to each other or staggered, and the first opening is in communication with the second opening;
the first heat exchange portion comprises a first plate body, and the second heat exchange portion comprises a second plate body, and the plurality of plates are located between the first plate body and the second plate body along a stacking direction of the plurality of plates; the third flow passage comprises a first hole passage, the throttle unit comprises a first valve body, the first valve body has a third opening on a bottom wall of the first valve body, the first valve body is fixed to the second plate body, the second plate body has a fourth opening, at least part of the fourth opening is arranged opposite to the first hole passage, and at least part of the fourth opening is arranged opposite to the third opening; and the refrigerant flow passage further comprises a fourth flow passage, one end of the fourth flow passage is in communication with the first flow passage, and the other end of the fourth flow passage is in communication with the valve port.

3 . The heat management apparatus according to claim 2 , wherein the heat management apparatus comprises a connecting plate body, the connecting plate body comprises a first through hole and a second through hole, the first opening is arranged opposite to at least part of the second through hole, the second opening is arranged opposite to at least part of the second through hole, and the first opening is in communication with the second opening through the second through hole; and
a wall forming the fourth flow passage is sealed to a wall of the first through hole, the fourth flow passage is in communication with a chamber of the first through hole, the first wall has a first communication port, at least part of the first communication port is arranged opposite to the first through hole, at least part of the first communication port is arranged opposite to a second hole passage, and the first through hole is in communication with the second hole passage through the first communication port.

4 . The heat management apparatus according to claim 2 , wherein the second heat exchange portion comprises a plurality of first plates which is stacked; and
each first plate comprises a first orifice, the heat management apparatus comprises a pipe body, the fourth flow passage comprises a chamber of the pipe body, a plurality of the first orifices form the first hole passage, at least part of the pipe body is located in the first hole passage, at least part of the pipe body is located between the valve port and the first wall along an axial direction of the first hole passage, and a first end portion of the pipe body is relatively fixed to the valve port portion, the chamber of the pipe body is in communication with the valve port, and a second end portion of the pipe body is matched with the first through hole; the second heat exchange portion comprises a first separation plate, the first separation plate and one plate of the second heat exchange portion have an integral structure, the first separation plate forms a bottom wall of the first hole passage along the axial direction of the first hole passage, the first separation plate has an opening for accommodating the pipe body, and a wall forming the opening of the first separation plate is sealed to a wall of the pipe body; or, each first plate comprises at least one first orifice and a second orifice, the second orifice is not in communication with the first orifice, a plurality of the second orifices form the fourth flow passage, and a plurality of the first orifices form the first hole passage; the valve port portion is sealed to a wall of the second orifice, and the wall of the second orifice matched with the valve port portion is close to the second plate body.

5 . The heat management apparatus according to claim 4 , wherein the heat management apparatus comprises the pipe body, at least part of the valve port portion is located in the first end portion of the pipe body and is sealedly fixed to an inner wall of the first end portion; or, the valve port portion comprises a communication chamber, the valve port is in communication with the communication chamber, the first end portion is accommodated in the communication chamber and is sealed to a wall forming the communication chamber;
or, the heat management apparatus further comprises a connecting portion, the connecting portion comprises an accommodating portion, at least part of the valve port portion is located in an accommodating chamber formed by the accommodating portion, and a side wall of the valve port portion is sealed to an inner wall of the accommodating portion; at least part of the accommodating portion is located in the first end portion and is sealedly fixed to a wall of the first end portion; or the first end portion is located in the accommodating chamber formed by the accommodating portion and is sealed to a wall of the accommodating portion.

6 . The heat management apparatus according to claim 5 , wherein the connecting portion further comprises a fixing portion and a communication portion, the fixing portion is fixed to the first valve body and/or the second plate body, the communication portion is located between the accommodating portion and the fixing portion along a radial direction of the first hole passage, the throttle unit comprises a valve chamber, a wall forming the valve chamber comprises a wall of the first valve body and a wall of the connecting portion, the valve chamber is located on one side of the communication portion, the first hole passage is located on another opposite side of the communication portion, and the valve chamber is in communication with the first hole passage through the communication portion.

Assignees

• Zhejiang Sanhua Automotive Components Co Ltd

Inventors

• Ye Keli
• Song Bin
• Wu Linzhong

Classifications

• F28F11/00

  Arrangements for sealing leaky tubes and conduits (stopping flow from or in pipes in general F16L55/10) · CPC title

• F28F9/26

  Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H9/14 {, connecting headers with inlet or outlet fittings F28F9/0246}) · CPC title

• F28F9/18

  by welding · CPC title

• F28F3/00

  Plate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F5/00) · CPC title

• F28D9/00 Primary

  Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall {(F28F3/083, F28F3/086 take precedence)} · CPC title