CN211823223U - Refrigeration system for injecting and cooling motor liquid of compressor - Google Patents
Refrigeration system for injecting and cooling motor liquid of compressor Download PDFInfo
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- CN211823223U CN211823223U CN202020174771.3U CN202020174771U CN211823223U CN 211823223 U CN211823223 U CN 211823223U CN 202020174771 U CN202020174771 U CN 202020174771U CN 211823223 U CN211823223 U CN 211823223U
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Abstract
The utility model discloses an draw refrigerating system who penetrates cooling compressor motor liquid, including compressor, working medium chamber, sprayer, evaporimeter, choke valve and condenser, wherein: a working medium cavity is formed in a motor cavity inside the refrigeration compressor; a working medium outlet of the condenser is respectively connected with one end of the throttle valve and a main fluid inlet of the ejector; the other end of the throttle valve is respectively connected with a working medium inlet of the evaporator and an inlet of the working medium cavity; the outlet of the working medium cavity is connected with the injection inlet of the ejector; the working medium outlet of the evaporator is connected with the working medium inlet of the refrigeration compressor; the diffusion outlet of the ejector is converged with the exhaust outlet of the refrigeration compressor through a pipeline and then is connected with the working medium inlet of the condenser; the working medium cavity is contacted with the surface of the motor in the refrigeration compressor. The utility model discloses a working medium chamber absorbs the heat that the motor gived off to draw the gas of penetrating behind the absorption motor heat by the sprayer, can effectively improve compressor's reliability.
Description
Technical Field
The utility model relates to a refrigeration technology field especially relates to an draw refrigerating system who penetrates cooling compressor motor liquid.
Background
At present, in many refrigeration systems, a semi-closed refrigeration compressor is widely used, and in a general semi-closed refrigeration compressor, in order to cool a motor inside the semi-closed refrigeration compressor, a refrigerant at an outlet of an evaporator is directly introduced around the motor, and is sucked into a cylinder of the refrigeration compressor after absorbing heat emitted by the motor.
In addition, if the refrigerant at the outlet of the evaporator carries too much liquid, the liquid is not completely evaporated by the motor, and the liquid enters the cylinder to cause liquid impact accidents, so that the refrigeration system cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a technical defect to prior art exists provides an injection cooling compressor motor liquid's refrigerating system.
Therefore, the utility model provides an draw refrigeration system who penetrates cooling compressor motor liquid, including compressor, working medium chamber, sprayer, evaporimeter, choke valve and condenser, wherein:
a working medium cavity is arranged in a motor cavity inside the refrigeration compressor;
a working medium outlet of the condenser is respectively connected with one end of the throttle valve and a main fluid inlet of the ejector;
the other end of the throttle valve is respectively connected with a working medium inlet of the evaporator and an inlet of the working medium cavity;
the outlet of the working medium cavity is connected with the injection inlet of the ejector;
the working medium outlet of the evaporator is connected with the working medium inlet of the refrigeration compressor;
the diffusion outlet of the ejector is converged with the exhaust outlet of the refrigeration compressor through a pipeline and then is connected with the working medium inlet of the condenser;
the working medium cavity is a hollow shell and is in contact with the surface of a motor inside the refrigeration compressor.
Wherein, the working medium cavity is a circular hollow shell.
Wherein, the working medium cavity is sleeved outside the motor inside the refrigeration compressor.
By the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides an draw refrigeration system who penetrates cooling compressor motor liquid, the refrigerant liquid of its make full use of throttle step-down is as the cold source, introduces semi-closed compressor motor working medium intracavity on every side, absorbs the heat that the motor gived off through the working medium chamber to draw the gas of absorbing motor heat back evaporation by the sprayer, can effectively improve refrigeration compressor's reliability, have great production practice meaning.
Drawings
Fig. 1 is the utility model provides a pair of draw and penetrate refrigerating system's of cooling compressor motor liquid structural schematic diagram.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides an injection cooling compressor motor liquid's refrigerating system, including compressor 1, working medium chamber 2, sprayer 3, evaporimeter 4, choke valve 5 and condenser 6, wherein:
a working medium cavity 2 is arranged in a motor cavity inside the refrigeration compressor 1;
a working medium outlet of the condenser 6 is respectively connected with one end of the throttle valve 5 and a main fluid inlet of the ejector 3;
the other end of the throttle valve 5 is respectively connected with a working medium inlet of the evaporator 4 and an inlet of the working medium cavity 2;
the outlet of the working medium cavity 2 is connected with the injection inlet of the ejector 3;
the working medium outlet of the evaporator 4 is connected with the working medium inlet of the refrigeration compressor 1;
the diffusion outlet of the ejector 3 is converged with the exhaust outlet of the refrigeration compressor 1 through a pipeline and then connected with the working medium inlet of the condenser 6.
That is, the working medium outlet of the condenser 6 is divided into two paths, and one path is divided into two paths after passing through the throttle valve 5: one path of the refrigerant is connected with an inlet of an evaporator 4, the other path of the refrigerant is connected with an inlet of a working medium cavity 2 positioned in a motor cavity of the refrigeration compressor 1, an outlet of the working medium cavity 2 is connected with an injection inlet of an ejector 3, and an outlet of the evaporator 4 is connected with an inlet of the refrigeration compressor 1; the other path of the outlet of the condenser 6 is connected with the main fluid inlet of the ejector 3, and the diffusion outlet of the ejector 3 is converged with the exhaust outlet of the refrigeration compressor 1 and then connected with the working medium inlet of the condenser 6.
The refrigeration compressor 1 is a semi-closed refrigeration compressor, and the size of the working medium cavity 2 is determined by calculation according to the size of heat dissipation capacity and the temperature of the motor.
The utility model discloses in, on specifically realizing, working medium chamber 2 is hollow casing, and contacts with the inside motor surface of compressor 1.
In the concrete implementation, the working medium cavity 2 is preferably a circular hollow shell (except for the inlet and the outlet, the hollow shell is of a sealed structure), and the motor inside the refrigeration compressor 1 is located on the inner side of the working medium cavity 2 (namely, the working medium cavity 2 is sleeved outside the motor inside the refrigeration compressor 1). Of course, the working medium cavity 2 may have other shapes, such as an arc shape, and is in close contact with the surface of the motor inside the refrigeration compressor 1, so that good heat transfer can be achieved. The main body of the motor inside the refrigeration compressor 1 has a cylindrical shape (i.e., a cylindrical shape).
In particular, the working medium cavity 2 is made of a material which is easy to conduct heat, such as copper.
The utility model discloses in, on specifically realizing, compressor 1 is semi-closed compressor, and corresponding change adjustment is carried out according to the size of motor heat dissipation capacity and motor temperature to the size in working medium chamber 2.
It should be noted that, in the utility model discloses in, refrigerant liquid is in independent cavity (being working medium chamber 2) the motor of bypassing, realizes the refrigeration cycle of cooling compressor motor, will effectively improve compressor's reliability, reduces refrigerating system's running cost.
In order to understand the technical solution of the present invention more clearly, the working principle of the present invention is explained below.
The utility model discloses a refrigerating system moves, 1 combustion gas of compressor gets into in the condenser 6, carry out the heat exchange with cooling medium and emit the heat, the liquid that the condensation obtained falls into two the tunnel, divide into two the tunnel after throttle valve 5 liquid all the way, wherein get into 4 absorption heats of evaporimeter all the way, for providing the cold source with cold space, another way gets into working medium chamber 2 in the 1 motor cavity of compressor, can absorb the heat back evaporation that the motor gived off, another way liquid that 6 mouths of condenser gets into the internal nozzle of mainstream of sprayer 3 and sprays the step-down, draw the gas in working medium chamber 2, after diffusion and compressor 1's exhaust converge, get into in the condenser 6.
To sum up, compare with prior art, the utility model provides a refrigerant liquid of make full use of throttle step-down introduces working medium intracavity around the semi-closed compressor motor as the cold source, absorbs the heat that the motor gived off through the working medium chamber to draw the gas of absorbing motor heat back evaporation by the sprayer, can effectively improve compressor's reliability, have important production practice meaning.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a draw refrigerating system who penetrates cooling compressor motor liquid which characterized in that, includes refrigeration compressor (1), working medium chamber (2), sprayer (3), evaporimeter (4), choke valve (5) and condenser (6), wherein:
a working medium cavity (2) is arranged in a motor cavity inside the refrigeration compressor (1);
a working medium outlet of the condenser (6) is respectively connected with one end of the throttle valve (5) and a main fluid inlet of the ejector (3);
the other end of the throttle valve (5) is respectively connected with a working medium inlet of the evaporator (4) and an inlet of the working medium cavity (2);
the outlet of the working medium cavity (2) is connected with the injection inlet of the injector (3);
the working medium outlet of the evaporator (4) is connected with the working medium inlet of the refrigeration compressor (1);
the diffusion outlet of the ejector (3) is converged with the exhaust outlet of the refrigeration compressor (1) through a pipeline and then is connected with the working medium inlet of the condenser (6);
the working medium cavity (2) is a hollow shell and is in contact with the surface of a motor inside the refrigeration compressor (1).
2. The refrigerating system for injecting and cooling the motor liquid of the compressor according to claim 1, wherein the working medium cavity (2) is a circular hollow shell.
3. The refrigerating system for injecting and cooling the motor liquid of the compressor according to claim 2, wherein the working medium cavity (2) is sleeved outside the motor inside the refrigerating compressor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174771.3U CN211823223U (en) | 2020-02-17 | 2020-02-17 | Refrigeration system for injecting and cooling motor liquid of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174771.3U CN211823223U (en) | 2020-02-17 | 2020-02-17 | Refrigeration system for injecting and cooling motor liquid of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211823223U true CN211823223U (en) | 2020-10-30 |
Family
ID=72992905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020174771.3U Expired - Fee Related CN211823223U (en) | 2020-02-17 | 2020-02-17 | Refrigeration system for injecting and cooling motor liquid of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211823223U (en) |
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2020
- 2020-02-17 CN CN202020174771.3U patent/CN211823223U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20220217 |