CN217979191U

CN217979191U - Heat abstractor, converter and air conditioner refrigerating system

Info

Publication number: CN217979191U
Application number: CN202222080258.XU
Authority: CN
Inventors: 吴昊; 史俊茹
Original assignee: Zhejiang Dunan Artificial Environment Co Ltd
Current assignee: Zhejiang Dunan Artificial Environment Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-06
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a heat abstractor, converter and air conditioner refrigerating system that claim, heat abstractor include device main part, converge the cavity, main line and bypass branch road and locate respectively on the device main part, main line and bypass branch road all communicate in converging the cavity, and converge the cavity internal refrigerant can flow to main line and bypass branch road respectively; one side of the bypass branch, which is far away from the confluence cavity, is communicated with the main pipeline, so that the refrigerant conducted in the bypass branch can flow into the main pipeline. The heat dissipation device of the utility model can reduce the pressure drop loss of the refrigerant when flowing in the main pipeline and reduce the temperature of the refrigerant, thereby having the function of improving the heat dissipation efficiency of the heat dissipation device when in work; meanwhile, the main pipeline and the bypass branch are shunted by the confluence cavity, so that the structure is simplified, and the heat dissipation device can be obtained by properly improving the original structure.

Description

Heat abstractor, converter and air conditioner refrigerating system

Technical Field

The utility model belongs to the technical field of the heat exchange is relevant, especially, relate to a heat abstractor, converter and air conditioner refrigerating system.

Background

At present, a heat dissipation device for a frequency converter in an air conditioning and refrigeration system is provided, and particularly, a pipeline for a refrigerant to circulate is arranged in the heat dissipation device, and the heat exchange between the refrigerant flowing in the pipeline and the outside is utilized to achieve the functions of heat dissipation and temperature reduction.

In order to improve the cooling effect of the heat dissipation device during operation, the pipeline in the heat dissipation device is usually required to be set to be a curved structure which is bent back and forth, so that the refrigerant flowing tube pass is longer during operation of the heat dissipation device, the refrigerant pressure drop is too large due to the longer tube pass, and the temperature of the refrigerant in the second half tube pass is too high, thereby reducing the heat dissipation efficiency of the heat dissipation device during operation.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a heat dissipation device for a mold, an inverter and an air conditioning and cooling system for solving the above problems.

A heat dissipation device comprises a device main body, a confluence cavity, a main pipeline and a bypass branch, wherein the confluence cavity, the main pipeline and the bypass branch are respectively arranged on the device main body, the main pipeline and the bypass branch are both communicated with the confluence cavity, and a refrigerant in the confluence cavity can respectively flow to the main pipeline and the bypass branch;

one side of the bypass branch, which is far away from the confluence cavity, is communicated with the main pipeline, so that the refrigerant conducted in the bypass branch can flow into the main pipeline.

In the application, through the structural arrangement of the confluence cavity and the bypass branch, when the heat dissipation device works, the bypass branch is used for supplementing liquid to the conducted refrigerant in the main pipeline so as to reduce the pressure drop loss of the refrigerant when the refrigerant flows in the main pipeline, and the circulation path of the refrigerant in the bypass branch is few, so that the refrigerant flowing into the main pipeline from the bypass branch can play a role in reducing the temperature of the refrigerant, and further the heat dissipation efficiency of the heat dissipation device during the work is improved; meanwhile, the main pipeline and the bypass branch are shunted by the confluence cavity, so that the structure is simplified, and the heat dissipation device can be obtained by properly improving the original structure.

In one embodiment, the main pipeline is provided with an inlet pipe orifice and an outlet pipe orifice, the inlet pipe orifice is arranged on the confluence cavity, so that refrigerant in the confluence cavity can be guided into the main pipeline from the inlet pipe orifice and is discharged outwards from the outlet pipe orifice;

and the main pipeline is provided with a communication port matched with the bypass branch, and the bypass branch is communicated with the main pipeline through the corresponding communication port.

It can be understood that, through the structural arrangement, the connection and the communication between the main pipeline and the confluence cavity and between the bypass branch and the main pipeline are realized.

In one embodiment, the number of the bypass branches and the communication ports is multiple, the communication ports are arranged at intervals, and each bypass branch is communicated with the main pipeline through the corresponding communication port.

It can be understood that, the number of the bypass branches is set to be a plurality of, so that the pressure drop loss of the refrigerant flowing in the main pipeline and the temperature of the refrigerant can be further reduced when the heat dissipation device works, and the heat dissipation efficiency of the heat dissipation device during work can be further improved.

In one embodiment, the pipe diameter of the bypass branch is smaller than or equal to that of the main pipeline.

It can be understood that the pipe diameter of the bypass branch is set to be less than or equal to the pipe diameter of the main pipeline, so that the use requirement that the refrigerant in the bypass branch can replenish liquid for the main pipeline when the heat dissipation device works is met.

In one embodiment, the bypass branch is provided as a capillary tube.

It can be understood that the bypass branch is set as a capillary pipeline, so as to specifically realize an embodiment of the bypass branch, when the heat dissipation device works, the refrigerant in the bypass branch can supplement liquid for the main pipeline in an atomized manner, and thus, the cooling effect of the heat dissipation device in the working process can be effectively improved.

In one embodiment, the pipe diameter of the main pipeline gradually increases from the direction away from the confluence cavity.

It can be understood that the pipe diameter of the main pipeline is set to be gradually increased, so that the flow channel for the refrigerant to flow in the main pipeline is gradually changed, and the flow area of the flow channel after the liquid supplement of the main pipeline is correspondingly enlarged under the liquid supplement of the bypass branch.

In one embodiment, the heat dissipation device further comprises a refrigerant inlet pipe, and the refrigerant inlet pipe is connected and communicated with the confluence cavity.

It can be understood that, through the structural arrangement of the refrigerant inlet pipe, when the heat dissipation device works, the refrigerant inlet pipe can be used for guiding the refrigerant into the confluence cavity, so as to meet the use requirement of the heat dissipation device.

In one embodiment, the main pipeline is a flow passage formed in the device body.

It can be understood that the main pipeline is provided as a flow passage formed in the device body, thereby realizing the structure of the main pipeline on the device body.

The application also requests to protect a frequency converter, and the frequency converter comprises the heat dissipation device.

In this application, through above-mentioned heat abstractor's structural arrangement, can improve the radiating efficiency of this converter during operation.

The application also requests to protect an air-conditioning refrigeration system, which comprises a circulating pipeline, and a compressor, an evaporator, an expansion valve, a heat dissipation device and a condenser which are sequentially arranged on the circulating pipeline; characterized in that, the heat abstractor sets up as any one of above-mentioned heat abstractor.

In this application, through foretell reasonable structure setting, can improve this air conditioner refrigerating system during operation to the radiating efficiency that circulation has the refrigerant in the circulating line.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an air conditioning refrigeration system provided by the present application;

fig. 2 is a schematic structural diagram of a heat dissipation device according to a first embodiment of the present application;

fig. 3 is a schematic structural diagram of a heat dissipation device according to a second embodiment of the present application;

fig. 4 is a schematic structural diagram of a heat dissipation device according to a third embodiment of the present application;

fig. 5 is a schematic structural diagram of a heat dissipation device according to a fourth embodiment of the present application;

fig. 6 is a schematic structural diagram of a heat dissipation device according to a fifth embodiment of the present application.

Reference numeral, 10, a device main body; 20. a converging cavity; 30. a main pipeline; 301. a flow channel; 31. an inlet pipe orifice; 32. an outlet pipe orifice; 33. a communication port; 40. a bypass branch; 401. a capillary tube; 50. a refrigerant inlet pipe; 100. a circulation line; 101. a compressor; 102. an evaporator; 103. an expansion valve; 104. a heat sink; 105. a condenser.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the air-conditioning refrigeration system claimed in the present application includes a circulation line 100, and a compressor 101, an evaporator 102, an expansion valve 103, a heat sink 104, and a condenser 105, which are sequentially installed on the circulation line 100. It should be noted that the specific structures and operating principles of the compressor 101, the evaporator 102, the expansion valve 103 and the condenser 105 in the air conditioning and refrigeration system can all adopt the conventional technologies in the prior art, and will not be described herein.

As shown in fig. 2, the heat dissipation device 104 provided in the first embodiment of the present application includes a device main body 10, a collecting chamber 20, a main pipeline 30, and a bypass branch 40, wherein the collecting chamber 20, the main pipeline 30, and the bypass branch 40 are disposed on the device main body 10.

In the present embodiment, the main pipe 30 and the bypass branch 40 are both connected to the converging cavity 20, and the refrigerant (not shown) in the converging cavity 20 can flow to the main pipe 30 and the bypass branch 40 respectively; one side of the bypass branch 40 away from the confluence cavity 20 is communicated with the main pipeline 30, so that the refrigerant conducted in the bypass branch 40 can flow into the main pipeline 30. That is, when the heat dissipation device 104 of the present application operates, the confluence chamber 20 can guide the refrigerant to the main pipe 30 and the bypass branch 40, respectively, and the refrigerant guided to the bypass branch 40 can flow to the main pipe 30 again, so as to replenish the refrigerant conducted in the main pipe 30.

It can be understood that, when the heat dissipation device 104 of the present application works, the bypass branch 40 is used for fluid infusion to the main pipeline 30, so that the pressure drop loss of the refrigerant flowing in the main pipeline 30 can be reduced, and the paths through which the refrigerant flows in the bypass branch 40 are few, so that the refrigerant flowing from the bypass branch 40 into the main pipeline 30 can play a role in reducing the temperature of the refrigerant, and further has a role in improving the heat dissipation efficiency of the heat dissipation device 104 when it works; in addition, the main pipe 30 and the bypass pipe 40 are branched by the manifold chamber 20, which has a simplified structure, so that the heat sink 104 can be improved properly from the original structure.

It should be noted that, when the heat dissipation device 104 is applied to an air conditioning refrigeration system, the refrigerant is introduced into the main pipeline 30 of the heat dissipation device 104 in an initial state, and the refrigerant in the bypass branch 40 is continuously introduced into the main pipeline 30, during this process, the refrigerant is continuously introduced into and flows out of the heat dissipation device 104, so as to achieve a dynamic balance. Of course, the bypass branch 40 of the heat dissipation device 104 of the present application can be adjusted in length so that the bypass branch 40 just joins the refrigerant in the main pipe 30 when the liquid is replenished.

In the present embodiment, the main pipe 30 and the bypass branch 40 are both provided as pipe structures installed in the apparatus main body 10.

The main pipeline 30 of the embodiment has an inlet pipe 31 and an outlet pipe 32, the inlet pipe 31 is disposed on the converging cavity 20, so that the refrigerant in the converging cavity 20 can be guided into the main pipeline 30 from the inlet pipe 31 and discharged from the outlet pipe 32, thereby specifically realizing the connection and communication between the main pipeline 30 and the converging cavity 20. It should be noted that the portion of the main pipe 30 disposed in the device main body 10 may be specifically configured as a curved structure that bends back and forth, so as to meet the use requirement of the heat dissipation device 104.

The main pipeline 30 is further provided with a communication port 33 for matching the bypass branch 40, and the bypass branch 40 is communicated with the main pipeline 30 through the corresponding communication port 33, so that the bypass branch 40 is connected and communicated with the main pipeline 30, and the refrigerant in the bypass branch 40 can flow to the main pipeline 30 through the communication port 33.

The number of the bypass branch lines 40 and the communication ports 33 of the embodiment is set to be plural, the communication ports 33 are arranged at intervals, and each bypass branch line 40 is communicated with the main pipeline 30 through the corresponding communication port 33, so that when the heat dissipation device 104 works, liquid can be replenished to a plurality of positions on the main pipeline 30, thereby further reducing the pressure drop loss of the refrigerant flowing in the main pipeline 30 when the heat dissipation device 104 works and the temperature of the refrigerant, and further having the function of further improving the heat dissipation efficiency when the heat dissipation device 104 works. It should be noted that the positions of the plurality of communication ports 33 on the main pipeline 30 are specifically arranged at equal intervals in sequence, and of course, the positions of the plurality of communication ports 33 on the main pipeline 30 are not limited to the above, and for those skilled in the art, the positions of two adjacent communication ports 33 on the main pipeline 30 may be specifically arranged at different intervals according to the use requirement, and the description thereof is omitted here.

The pipe diameter of the bypass branch 40 of this embodiment is smaller than that of the main pipe 30, so as to meet the usage requirement that the refrigerant in the bypass branch 40 can replenish the liquid to the main pipe 30 when the heat dissipation device 104 works.

Preferably, the bypass branch 40 of the present application is configured as a capillary tube 401, so as to implement an embodiment of the bypass branch 40, when the heat dissipation device 104 works, the refrigerant in the bypass branch 40 can supplement the liquid for the main tube 30 in an atomized manner, and thus, the cooling effect of the heat dissipation device 104 during working can be effectively improved. It should be noted that the tube diameter of the capillary tube 401 is much smaller than that of the main tube 30.

The bypass branch 40 of the present embodiment is configured to be a bent tubular structure, so as to specifically realize the structural configuration of the bypass branch 40, so as to meet the use requirement of communicating the main pipe 30 with one side of the bypass branch 40 away from the confluence cavity 20, and have the effect of simplifying the structure of the bypass branch 40. It should be noted that, the bending angle of the bypass branch 40 of the present application is 90 °, and on the basis of simplifying the structure of the bypass branch 40, the use requirement for communicating the main pipeline 30 can be satisfied. Of course, the bending angle of the bypass branch 40 is not limited to 90 °, and it will be obvious to those skilled in the art that the bending angle of the bypass branch 40 may be set to any other angle, which will not be described herein.

In one embodiment, the diameter of the main pipe 30 gradually increases from the direction away from the converging cavity 20, so as to realize that the flow channel for the refrigerant to flow through in the main pipe 30 is gradually changed, and then the flow area of the flow channel after the main pipe 30 is replenished with liquid is correspondingly enlarged under the replenishing of the bypass branch 40.

In addition, the heat dissipation device 104 of the present application further includes a refrigerant inlet pipe 50, the refrigerant inlet pipe 50 is connected and communicated with the confluence cavity 20, so that when the heat dissipation device 104 works, the refrigerant can be introduced into the confluence cavity 20 by the refrigerant inlet pipe 50, and then the refrigerant respectively flows into the main pipe 30 and the bypass branch 40 through the confluence cavity 20, so that the bypass branch 40 does not need to be filled with new refrigerant from the outside to the main pipe 30, so as to meet the use requirement of the heat dissipation device 104, it should be noted that the pipe diameter of the refrigerant inlet pipe 50 is larger than that of the main pipe 30, so that the refrigerant introduced into the confluence cavity 20 by the refrigerant inlet pipe 50 can simultaneously meet the use requirement of providing the refrigerant to the main pipe 30 and the bypass branch 40; the installation position and flow rate of the refrigerant inlet pipe 50 on the converging cavity 20 can be specifically set according to the usage requirement that the refrigerant in the converging cavity 20 respectively flows to the main pipeline 30 and the bypass branch pipeline 40, which will not be described herein.

As shown in fig. 3, the specific structure and the operation principle of the heat dissipation device 104 provided in the second embodiment of the present application are the same as those of the heat dissipation device 104 provided in the first embodiment of the present application, and the differences between the two are as follows: the pipe diameter of the bypass branch 40 is set equal to that of the main pipe 30.

As shown in fig. 4, the specific structure and the operation principle of the heat dissipation device 104 provided in the third embodiment of the present application are the same as those of the heat dissipation device 104 provided in the first embodiment of the present application, and the differences between the two are as follows: the main pipe 30 is provided with a flow passage 301 formed in the apparatus main body 10, and the pipe diameter of the bypass branch 40 is set to be equal to that of the main pipe 30.

As shown in fig. 5, the specific structure and the operation principle of the heat dissipation device 104 provided in the fourth embodiment of the present application are the same as those of the heat dissipation device 104 provided in the first embodiment of the present application, and the differences between the two are as follows: the main pipeline 30 is provided as a flow passage 301 formed in the device main body 10, and similarly, the collecting chamber 20 and the bypass branch 40 may also be provided as channels formed in the device main body 10.

As shown in fig. 6, the specific structure and the operation principle of the heat dissipation device 104 provided in the fifth embodiment of the present application are the same as those of the heat dissipation device 104 provided in the first embodiment of the present application, and the differences between the two are as follows: the refrigerant in the main pipe 30 is conducted from bottom to top, so that the outlet pipe 32 and the refrigerant inlet pipe 50 of the main pipe 30 are disposed at two sides of the apparatus body 10.

In addition, the application also claims a frequency converter comprising the heat dissipation device 104.

The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. The heat dissipation device is characterized by comprising a device main body (10), a confluence cavity (20), a main pipeline (30) and a bypass branch (40), wherein the confluence cavity (20), the main pipeline (30) and the bypass branch (40) are respectively arranged on the device main body (10), the main pipeline (30) and the bypass branch (40) are both communicated with the confluence cavity (20), and refrigerant in the confluence cavity (20) can respectively flow to the main pipeline (30) and the bypass branch (40);

one side of the bypass branch (40) far away from the confluence cavity (20) is communicated with the main pipeline (30) so that the refrigerant conducted in the bypass branch (40) can flow into the main pipeline (30).

2. The heat dissipation device according to claim 1, wherein the main pipeline (30) has an inlet pipe orifice (31) and an outlet pipe orifice (32), the inlet pipe orifice (31) is disposed on the confluence chamber (20) so that the refrigerant in the confluence chamber (20) can be introduced from the inlet pipe orifice (31) into the main pipeline (30) and discharged from the outlet pipe orifice (32) to the outside;

the main pipeline (30) is provided with a communication port (33) used for being matched with the bypass branch (40), and the bypass branch (40) is communicated with the main pipeline (30) through the corresponding communication port (33).

3. The heat dissipation device according to claim 2, wherein the bypass branch (40) and the communication port (33) are provided in plural numbers, the plural communication ports (33) are provided at intervals, and each bypass branch (40) communicates with the main pipe (30) through the corresponding communication port (33).

4. The heat dissipating arrangement according to claim 1, characterized in that the bypass branch (40) has a pipe diameter which is smaller than or equal to the pipe diameter of the main pipe (30).

5. The heat sink according to claim 4, characterized in that the bypass branch (40) is provided as a capillary tube (401).

6. The heat dissipating arrangement according to claim 1, characterized in that the tube diameter of the main conduit (30) increases gradually from a direction away from the joining chamber (20).

7. The heat sink as recited in claim 1, wherein the heat sink (104) further comprises a refrigerant inlet tube (50), the refrigerant inlet tube (50) being connected to and communicating with the manifold chamber (20).

8. The heat sink as claimed in claim 1, characterised in that the main conduit (30) is provided as a flow channel (301) provided in the device body (10).

9. Frequency converter, characterized in that it comprises a heat sink (104) according to any of claims 1-8.

10. An air-conditioning refrigeration system comprises a circulating pipeline (100), and a compressor (101), an evaporator (102), an expansion valve (103), a heat dissipation device and a condenser (105) which are sequentially arranged on the circulating pipeline (100); characterized in that the heat sink is provided as a heat sink (104) according to any one of claims 1-8.