CN214250219U

CN214250219U - Heat exchanger

Info

Publication number: CN214250219U
Application number: CN202120161824.2U
Authority: CN
Inventors: 郭国武; 范志伟
Original assignee: Longquan Huifeng Import And Export Co ltd
Current assignee: Longquan Huifeng Import And Export Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-09-21
Anticipated expiration: 2031-01-20

Abstract

The utility model provides a heat exchange device, which comprises a heat exchanger, wherein the heat exchanger comprises a first pore passage and a second pore passage; the heat exchange device also comprises an electronic expansion valve and a tubular adapter block, wherein a valve body of the electronic expansion valve and the tubular adapter block are fixedly welded with the heat exchanger, the valve body of the electronic expansion valve comprises a first hole opening and a second hole opening, and the second hole opening is communicated with the first hole passage; the tubular adapter block comprises a third hole opening and a fourth hole opening, the third hole opening is communicated with the second pore passage, and the third hole opening is communicated with the fourth hole opening; the first orifice and the fourth orifice are positioned on the same side of the electronic expansion valve body and are approximately on the same plane. The utility model discloses realize not unidimensional heat exchanger and can match same specification electronic expansion valve, need not change two pore ways of electronic expansion valve body matching heat exchanger.

Description

Heat exchanger

Technical Field

The utility model relates to a heat exchanger and electronic expansion valve assembly technical field, in particular to heat exchanger and electronic expansion valve combination technique.

Background

Batteries of electric or hybrid vehicles require heating or cooling during operation to bring the battery within a suitable operating temperature range. Generally, a cooling system for a battery includes a heat exchanger and an electronic expansion valve, the heat exchanger may generally adopt a two-channel heat exchanger, two kinds of refrigerants and a cooling liquid isolated from each other flow inside the heat exchanger, and the two kinds of refrigerants and the cooling liquid heat-exchange inside the heat exchanger, so that the cooling liquid is cooled, and the battery is cooled by circulation of the cooling liquid. Chinese patent application 201620164524.9 provides a heat exchanger, in which an electronic expansion valve body is integrated with another refrigerant interface, and different heat exchangers need to be matched with different electronic expansion valve bodies, resulting in a large number of specifications of electronic expansion valves.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat exchange device, which comprises a heat exchanger, wherein the heat exchanger comprises a first pore passage and a second pore passage; the heat exchange device also comprises an electronic expansion valve and a tubular adapter block, wherein a valve body of the electronic expansion valve and the tubular adapter block are fixedly welded with the heat exchanger, the valve body of the electronic expansion valve comprises a first hole opening and a second hole opening, and the second hole opening is communicated with the first hole passage; the tubular adapter block comprises a third orifice and a fourth orifice, the third orifice is communicated with the second pore passage, and the third orifice is communicated with the fourth orifice; the first orifice and the fourth orifice are positioned on the same side of the electronic expansion valve body and are approximately on the same plane; the electronic expansion valve further comprises a third hole passage, a valve core assembly, a first communicating portion and a second communicating portion, at least one part of the valve core assembly is located in the third hole passage and is fixed with the wall portion of the third hole passage in a sealing mode, the valve core assembly comprises a flow regulating area, the flow regulating area is connected with the first hole opening through the first communicating portion, the flow regulating area is connected with the second hole opening through the second communicating portion, and the first hole opening and the second hole opening are communicated or not communicated.

The utility model discloses realize not unidimensional heat exchanger and can match same specification electronic expansion valve, need not change two pore ways of electronic expansion valve body matching heat exchanger.

Drawings

Fig. 1 shows a schematic front view of a heat exchange device according to a first embodiment of the present invention;

fig. 2 shows a schematic plan view of a heat exchange device according to a first embodiment of the present invention;

fig. 3 shows a schematic view of a valve core assembly of an electronic expansion valve according to a first embodiment of the present invention;

fig. 4 shows a schematic view of an electronic expansion valve body according to a first embodiment of the present invention;

fig. 5 shows a schematic view of a heat exchange device according to a second embodiment of the present invention;

fig. 6 shows a schematic view of an electronic expansion valve body according to a second embodiment of the present invention.

Reference numerals: the heat exchanger 1, the first port passage 11, the second port passage 12, the electronic expansion valve 2, the valve body 21, the first orifice 211, the second orifice 212, the third orifice 213, the first communicating portion 214, the second communicating portion 215, the fixing hole 216, the valve core assembly 22, the flow regulating region 221, the coil assembly 23, the tubular transfer block 3, the third orifice 31, the fourth orifice 32, and the mounting plate 4.

Detailed Description

The following describes embodiments of the present invention in detail.

The utility model discloses a first embodiment, refer to fig. 1, fig. 2, fig. 3, fig. 4, heat transfer device includes heat exchanger 1, electronic expansion valve 2 and tubulose switching piece 3, and heat exchanger 1 includes first pore 11, second pore 12, and electronic expansion valve 2 includes valve body 21, case subassembly 22, coil pack 23, and case subassembly 22 assembles on valve body 21, and coil pack 23 passes through the fix with screw on the valve body, and coil pack 23 drives valve core subassembly 22 and adjusts electronic expansion valve flow.

The electronic expansion valve 2 and the tubular adapter 3 are welded and fixed with the heat exchanger 1, the electronic expansion valve comprises a first hole 211 and a second hole 212, and the second hole 212 is communicated with the first hole channel 11 of the heat exchanger 1; the tubular adapter block 3 further comprises a third orifice 31 and a fourth orifice 32, the third orifice 32 is communicated with the second pore passage 12, and the third orifice 31 is communicated with the fourth orifice 32; the first orifice 211 and the fourth orifice 32 are positioned on the same side of the electronic expansion valve body and are approximately on the same plane; the electronic expansion valve further comprises a third hole channel 213, a first communicating portion 214 and a second communicating portion 215, the valve core assembly 22 is fixed to the third hole channel 213 and is fixed to a wall portion of the third hole channel in a sealing manner, the valve core assembly 22 comprises a flow regulating area 221, the first communicating portion 214 is arranged between the flow regulating area 221 and the first hole 211, the second communicating portion 215 is arranged between the flow regulating area 221 and the second hole 212, and the first hole 211 and the second hole 212 are communicated or disconnected through the valve core assembly 22 according to a system command. A fixing hole 216 is provided between the first aperture 211 of the valve body 21 and the fourth aperture 32 of the tubular adapter block 3, an outer port of the fixing hole 216 is located on the same side of the electronic expansion valve body as the first aperture 211 and the fourth aperture 32, and center positions of the outer port of the fixing hole, the first aperture and the fourth aperture are located on a substantially straight line. Of course, in order to make the valve body more compact, two fixing holes (not shown) may be provided, the outer ports of the fixing holes are respectively disposed at two sides of a connecting line between the center of the first hole and the center of the fourth hole, the center of the first hole and the center of the fourth hole may be closer, and the fixing holes are disposed at the square corners of the square valve body. The first orifice and the fourth orifice can be connected with an external connecting pipe, for example, the first orifice is connected with a refrigerant inlet pipe, the fourth orifice is connected with a refrigerant outlet pipe, and the refrigerant inlet pipe and the refrigerant outlet pipe can be fixed through a pressing plate, so that the structure is simple and the installation is convenient.

Defining a front surface part, a side surface part and a back surface part of a valve body of the electronic expansion valve, wherein the back surface part is one side of the electronic expansion valve fixed with the heat exchanger, and the front surface part is one side of the electronic expansion valve opposite to the heat exchanger; the valve core assembly 22 is installed from the front surface of the valve body to the inner side in a matching way, and the central line of the valve core assembly 22 is approximately superposed or parallel with the central line of the first pore passage 11; the first orifice 211 and the fourth orifice 32 are located on the front surface portion of the valve body 21. Note that the position of the fourth orifice 32 is on the same side of the valve body 21, but not on the valve body 21. Since it is difficult for the first orifice to directly open into the flow regulation area 221, the first communication portion 214 is perforated and closed by the valve body side wall between the first orifice 211 and the flow regulation area 221 in fig. 4, and is provided with a first direction change portion.

The heat exchanger unit is provided with a mounting plate 4 at one end for fixation, and for the mounting plate 4, it is also referred to the background art that the mounting plate 4 may be welded together between the valve body 21 and the tubular adapter block 3 and the heat exchanger 1 (not shown), so that the second port 212 and the third port 31 are directly butted against the mounting plate.

In a second embodiment of the present invention, referring to fig. 5 and 6, the valve core assembly is installed from one side portion of the valve body to the inside in a fitting manner, and the center line of the valve core assembly is perpendicular to the center line of the first hole; the first and fourth ports are located on the front surface of the valve body, but the first communicating portion may be a substantially straight passage on a side surface (not shown) of the valve body, but the second communicating portion may be a bent portion that does not penetrate the electronic expansion valve body; in order to save more materials for the valve body, the valve body is provided with a step in the inserting direction of the valve core assembly, and the second hole is positioned below at least part of the step to adapt to the requirement of the distance between the two channels of the heat exchanger. Reference is made to the first embodiment of the invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The heat exchange device comprises a heat exchanger, wherein the heat exchanger comprises a first hole channel and a second hole channel; the method is characterized in that: the heat exchange device also comprises an electronic expansion valve and a tubular adapter block, wherein a valve body of the electronic expansion valve and the tubular adapter block are fixedly welded with the heat exchanger, the valve body of the electronic expansion valve comprises a first hole opening and a second hole opening, and the second hole opening is communicated with the first hole passage; the tubular adapter block comprises a third orifice and a fourth orifice, the third orifice is communicated with the second pore passage, and the third orifice is communicated with the fourth orifice; the first orifice and the fourth orifice are positioned on the same side of the electronic expansion valve body and are approximately on the same plane; the electronic expansion valve further comprises a third hole passage, a valve core assembly, a first communicating portion and a second communicating portion, at least one part of the valve core assembly is located in the third hole passage and is fixed with the wall portion of the third hole passage in a sealing mode, the valve core assembly comprises a flow regulating area, the flow regulating area is connected with the first hole opening through the first communicating portion, the flow regulating area is connected with the second hole opening through the second communicating portion, and the first hole opening and the second hole opening are communicated or not communicated.

2. The heat exchange device of claim 1, wherein: the electronic expansion valve body comprises a front surface part, a side surface part and a back surface part, the back surface part is the side where the electronic expansion valve body is fixed with the heat exchanger, the front surface part is the side where the electronic expansion valve body is relatively far away from the heat exchanger, the first hole and the fourth hole are positioned on the front surface part of the valve body, the valve core assembly is installed in a matched mode from the front surface part of the electronic expansion valve body to the inner side, and the center line of the valve core assembly is approximately coincident with or parallel to the center line of the first hole channel; the first communication portion includes a first direction changing portion between the first orifice and the flow rate adjustment region.

3. The heat exchange device of claim 1, wherein: the electronic expansion valve body comprises a front surface part, a side surface part and a back surface part, wherein the back surface part is the side where the electronic expansion valve body is fixed with the heat exchanger, and the front surface part is the side, opposite to the heat exchanger, of the electronic expansion valve body; the valve core assembly is installed from the side surface part of the valve body to the inner side in a matched mode, and the center line of the valve core assembly is perpendicular to the center line of the first pore channel; the first orifice and the fourth orifice are located on a front or side portion of the electronic expansion valve body.

4. The heat exchange device of claim 1 or 3, wherein: the valve core assembly, the first hole and the fourth hole are positioned on different sides of the electronic expansion valve body; the first communicating part is a substantially straight-line channel and does not penetrate through the electronic expansion valve.

5. The heat exchange device of claim 1, 2 or 3, wherein: the electronic expansion valve is provided with at least one fixed hole between the first orifice and the fourth orifice, and the outer port of the fixed hole, the first orifice and the fourth orifice are positioned on the same side of the electronic expansion valve body; the number of the fixing holes is one, and the center positions of the outer port of the fixing hole, the first hole opening and the fourth hole opening are approximately located on a straight line; or the number of the fixing holes is two, and the outer ports of the fixing holes are respectively arranged on two sides of a connecting line between the circle center of the first hole and the circle center of the fourth hole.

6. The heat exchange device of claim 1, 2 or 3, wherein: the heat exchange device further comprises a mounting plate, the electronic expansion valve passes through the mounting plate and the heat exchanger is fixed, and the second hole and the third hole are located on one side, fixed by the heat exchanger, of the mounting plate.

7. The heat exchange device of claim 1, 2 or 3, wherein: the first hole and the fourth hole are used for being connected with an external connecting pipe and are fixed through a pressing plate.

8. The heat exchange device of claim 1, 2 or 3, wherein: the electronic expansion valve body is provided with a step in the inserting direction of the valve core assembly, and the second hole is positioned below at least part of the step.

9. The heat exchange device of claim 4, wherein: the second communicating part is bent.