CN210463677U

CN210463677U - Micro-channel environmental test chamber self-cascade heat regenerator

Info

Publication number: CN210463677U
Application number: CN201921048783.5U
Authority: CN
Inventors: 邓皓仁; 任彬; 甘志利; 张逸波
Original assignee: Shanghai Peifu Aerospace Technology Development Co ltd
Current assignee: Shanghai Peifu Aerospace Technology Development Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-05
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a microchannel environmental test case is from overlapping regenerator, it includes: the system comprises a compressor, an oil separator, a condenser, a first dry filter, a heat exchanger, a second dry filter, a throttling device and an evaporator; the heat exchanger is provided with an A port, a B port, a C port and a D port; the port A is communicated with the port B; the port C is communicated with the port D; the outlet of the oil separator is connected with the inlet of the condenser; the outlet of the condenser is connected with the inlet of the first drying filter; the outlet of the first drying filter is connected with the port A of the heat exchanger; the port B of the heat exchanger is connected with the inlet of the second drying filter; the outlet of the second dry filter is connected with the inlet of the throttling device; the outlet of the throttling device is connected with the inlet of the evaporator; the outlet of the evaporator is connected with the port D of the heat exchanger; the port C of the heat exchanger is connected with the inlet of the compressor. The utility model discloses simple structure easily realizes, and it has the size less, simple structure, easily dismouting and the characteristics of changing.

Description

Micro-channel environmental test chamber self-cascade heat regenerator

Technical Field

The utility model belongs to the technical field of environmental test equipment, a microchannel environmental test case is from overlapping regenerator particularly is related to.

Background

The environmental test equipment is a test instrument which simulates the environmental conditions such as temperature, humidity and the like which may occur on the earth. The method is mainly applied to the fields of electronics and electricians, automobile and motorcycle, aerospace, ships and weapons and the like, and various performance indexes of parts and materials are tested under the condition of high/low temperature alternating circulation. The structure of a two-stage cascade refrigeration system or a three-stage cascade refrigeration system adopted by the existing environmental test chamber is generally complex, is not beneficial to disassembly, assembly, replacement and maintenance, and also has the problem of overlarge occupied area. Therefore, how to develop a new environmental test chamber self-cascade regenerator to overcome the above problems is the direction of research needed by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microchannel environmental test case is from overlapping regenerator, it has the size less, simple structure, easily dismouting and the characteristics of changing.

The technical scheme is as follows:

a microchannel environmental test chamber self-cascade regenerator, comprising: the system comprises a compressor, an oil separator, a condenser, a first dry filter, a heat exchanger, a second dry filter, a throttling device and an evaporator; the heat exchanger is provided with an A port, a B port, a C port and a D port; the port A is communicated with the port B; the port C is communicated with the port D; the outlet of the oil separator is connected with the inlet of the condenser; the outlet of the condenser is connected with the inlet of the first drying filter; the outlet of the first dry filter is connected with the port A of the heat exchanger; the port B of the heat exchanger is connected with the inlet of the second drying filter; the outlet of the second dry filter is connected with the inlet of the throttling device; the outlet of the throttling device is connected with the inlet of the evaporator; the outlet of the evaporator is connected with a port D of the heat exchanger; and the port C of the heat exchanger is connected with the inlet of the compressor.

By adopting the technical scheme:

the refrigerant is compressed into high-temperature and high-pressure gas in the compressor 1, enters the condenser after passing through the oil separator, is condensed into normal temperature in the condenser, then enters the heat exchanger and is cooled again in the heat exchanger, then sequentially enters the evaporator through the drying filter and the throttling device for refrigeration, enters the heat exchanger again after the refrigeration of the refrigerant in the evaporator is finished, cools the refrigerant before throttling in the heat exchanger, and finally enters the compressor. In the scheme, the condensed refrigerant exchanges heat with the refrigerant coming out of the evaporator in the heat exchanger, and the refrigerant before throttling is effectively precooled in a heat return mode, so that the temperature of the refrigerant after throttling is reduced. Because the scheme does not need to use a gas-liquid separator, the structure of the equipment is simplified, and the overall size of the equipment is reduced.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the compressor adopts Taikang TAG 4546T.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the oil separator employs emerson AWZ 55824.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the condenser adopts Jinhao FNH 5.4/18.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the first and second dry filters are Danfoss DML-084 s.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the heat exchanger adopts a Hangzhou Shenshi integrated micro-channel heat exchanger SS-0250 WF-B-P.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the throttling device adopts a capillary tube.

Preferably, the microchannel environment test chamber is in a cascade regenerator: the evaporator is coiled by a refrigeration copper pipe, and the refrigeration copper pipe is externally wound with a heating wire.

The utility model discloses simple structure easily realizes. The novel electric heating cooker has the advantages of being small in size, simple in structure and easy to disassemble, assemble and replace.

Drawings

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:

FIG. 1 is a schematic structural view of example 1;

the correspondence between each reference numeral and the part name is as follows:

1. a compressor; 2. an oil separator; 3. a condenser; 4. a first dry filter; 5. a heat exchanger; 6. a second dry filter; 7. a throttling device; 8. an evaporator.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following will be further described with reference to various embodiments.

As shown in fig. 1:

a microchannel environmental test chamber self-cascade regenerator, comprising: the system comprises a compressor 1, an oil separator 2, a condenser 3, a first dry filter 4, a heat exchanger 5, a second dry filter 6, a throttling device 7 and an evaporator 8. Wherein, the heat exchanger 5 is provided with an A port, a B port, a C port and a D port; the port A is communicated with the port B; the port C is communicated with the port D; the outlet of the oil separator 2 is connected with the inlet of the condenser 3; the outlet of the condenser 3 is connected with the inlet of a first drying filter 4; the outlet of the first drying filter 4 is connected with the port A of the heat exchanger 5; the port B of the heat exchanger 5 is connected with the inlet of a second drying filter 6; the outlet of the second dry filter 6 is connected with the inlet of the throttling device 7; the outlet of the throttling device 7 is connected with the inlet of the evaporator 8; the outlet of the evaporator 8 is connected with the port D of the heat exchanger 5; and the port C of the heat exchanger 5 is connected with the inlet of the compressor 1.

In this example: the compressor 1 adopts Taikang TAG 4546T. The oil separator 2 employs emerson AWZ 55824. The condenser 3 adopts Jinhao FNH 5.4/18. The first and second filters 4 and 6 are implemented by Danfoss DML-084 s. The heat exchanger 5 adopts a Hangzhou Shenshi integrated micro-channel heat exchanger SS-0250 WF-B-P. The throttling device 7 adopts a capillary tube. The evaporator 8 is coiled by a refrigeration copper pipe, and a heating wire is wound outside the refrigeration copper pipe.

In practice, the working process is as follows:

the compressor 1 compresses a mixed working medium of a refrigerant and refrigeration oil into high-temperature high-pressure gas, so that the mixed working medium circularly flows in the system. The mixed working medium enters the oil separator 2, the oil separator 2 separates the refrigeration oil from the refrigerant, and the refrigeration oil for lubrication in the compressor is ensured not to be lost; the refrigerant enters the condenser 3 through the oil separator 2, releases heat in the condenser 3, condenses into a gas-liquid mixed fluid form with normal temperature and high pressure, enters the first drying filter 4, dries moisture in the first drying filter 4, filters impurities and prevents the refrigeration system from generating ice blockage and dirty blockage. The refrigerant in the form of a gas-liquid mixed fluid then enters the heat exchanger 5 and is cooled again in the heat exchanger 5. And then the refrigerant is dried and filtered again by the second drying filter 6 and enters the throttling device 7 for throttling treatment, then the refrigerant enters the evaporator 8 for refrigeration, after the refrigeration of the refrigerant in the evaporator 8 is finished, the refrigerant enters the heat exchanger 5 again, the refrigerant before throttling is cooled in the heat exchanger 5, and finally the refrigerant returns to the compressor 1.

The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. The protection scope of the present invention is subject to the protection scope of the claims.

Claims

1. A microchannel environmental test chamber self-cascade regenerator is characterized by comprising: the system comprises a compressor (1), an oil separator (2), a condenser (3), a first dry filter (4), a heat exchanger (5), a second dry filter (6), a throttling device (7) and an evaporator (8);

the heat exchanger (5) is provided with an A port, a B port, a C port and a D port; the port A is communicated with the port B; the port C is communicated with the port D; the outlet of the oil separator (2) is connected with the inlet of the condenser (3); the outlet of the condenser (3) is connected with the inlet of the first drying filter (4); the outlet of the first drying filter (4) is connected with the port A of the heat exchanger (5); the port B of the heat exchanger (5) is connected with the inlet of a second drying filter (6); the outlet of the second dry filter (6) is connected with the inlet of the throttling device (7); the outlet of the throttling device (7) is connected with the inlet of the evaporator (8); the outlet of the evaporator (8) is connected with a D port of the heat exchanger (5); and the port C of the heat exchanger (5) is connected with the inlet of the compressor (1).

2. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the compressor (1) adopts Taikang TAG 4546T.

3. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the oil separator (2) employs emerson AWZ 55824.

4. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the condenser (3) adopts Jinhao FNH 5.4/18.

5. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the first drying filter (4) and the second drying filter (6) adopt Danfoss DML-084 s.

6. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the heat exchanger (5) adopts a Hangzhou Shen integrated micro-channel heat exchanger SS-0250 WF-B-P.

7. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the throttling device (7) adopts a capillary tube.

8. The microchannel environmental test chamber self-cascade regenerator of claim 1, wherein: the evaporator (8) is coiled by a refrigeration copper pipe, and the refrigeration copper pipe is externally wound with a heating wire.