Refrigeration, liquid separation and pressure reduction device

Abstract

The utility model discloses a refrigeration liquid separation depressurization device which comprises a compressor, and the left side of the compressor is fixedly connected with a condenser through a first liquid conveying pipe. According to the utility model, the pressure and temperature detector is additionally arranged on the original system pipeline, the first electromagnetic valve and the second electromagnetic valve are additionally arranged, and the liquid separating and storing device is additionally arranged below the existing liquid storing device, so that when the compressor is started for refrigeration, the pressure and temperature detector detects the pressure and temperature of the system; when the detected pressure and temperature reach set values, the first electromagnetic valve starts to work, part of the refrigerant is separated into the liquid separation and storage device, and the high pressure is prevented by reducing the existing amount of the refrigerant in the whole refrigerating system pipeline. When the maximum heat of the system is dissipated, the pressure starts to be reduced, at the moment, the second electromagnetic valve on the outer side of the liquid separation and storage device is opened, the stored refrigerant is slowly injected into the refrigerating system again, and sufficient refrigerating capacity is provided for the refrigerating system.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration, in particular to a refrigeration liquid separation and pressure reduction device. Background Art

[0002] Due to the influence of physical characteristics, the pressure of the refrigeration system will increase when working in a high temperature environment in summer, especially when the refrigeration system is turned on for the first time. It is often unable to start due to excessive pressure. Even if it is successfully started, the heat dissipation will be poor due to the high temperature environment, and the refrigeration efficiency will also deteriorate. Utility Model Content

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a refrigeration liquid separation and pressure reduction device.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a refrigeration liquid separation and pressure reduction device, including a compressor, the left side of the compressor is fixedly connected to the condenser through a first infusion tube, the outer side of the condenser is fixedly connected to the evaporator through a second infusion tube, the left side of the evaporator is fixedly connected to the compressor through a third infusion tube, the first infusion tube is provided with a pressure and temperature detector, and the middle part of the second infusion tube is provided with a liquid separation mechanism.

[0005] Furthermore, an expansion valve is provided at the right position of the second infusion tube.

[0006] Furthermore, the liquid separation mechanism includes a liquid reservoir, which is arranged in the middle of the second infusion tube. A fourth infusion tube is arranged on the left side of the liquid reservoir, and the upper end of the fourth infusion tube is connected to the second infusion tube.

[0007] Furthermore, the right side of the fourth infusion tube is fixedly connected to the liquid separation reservoir, the right end of the liquid separation reservoir is fixedly connected to the fifth infusion tube, and the upper end of the fifth infusion tube is fixedly connected to the second infusion tube.

[0008] Furthermore, the fifth infusion tube is located on the right side of the fluid reservoir.

[0009] Furthermore, a group of first solenoid valves is provided on the fourth infusion tube.

[0010] Furthermore, a group of second solenoid valves is provided on the fifth infusion tube.

[0011] The beneficial effects of the utility model are as follows: by adding a pressure and temperature detector to the original system pipeline, adding a first solenoid valve and a second solenoid valve, and installing a liquid separation reservoir below the existing liquid reservoir, when the compressor is turned on for refrigeration, the pressure and temperature detector detects the system pressure and temperature, and when the detected pressure and temperature reach the set values, the first solenoid valve starts to work, and part of the refrigerant is separated into the liquid separation reservoir, thereby preventing the generation of high pressure by reducing the amount of refrigerant in the entire refrigeration system pipeline. When the maximum heat of the system is dissipated, the pressure will begin to decrease, and at this time, the second solenoid valve on the outside of the liquid separation reservoir opens, and the stored refrigerant is slowly re-injected into the refrigeration system to provide sufficient cooling capacity for the refrigeration system. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 This is the overall installation front view of the utility model.

[0014] In the figure: 1. compressor, 2. pressure and temperature detector, 3. condenser, 4. first infusion tube, 5. second infusion tube, 6. liquid reservoir, 7. expansion valve, 8. evaporator, 9. third infusion tube, 10. fourth infusion tube, 11. first solenoid valve, 12. fifth infusion tube, 13. second solenoid valve, 14. liquid separation reservoir. DETAILED DESCRIPTION

[0015] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0016] like Figure 1 As shown, the utility model includes a compressor 1, the left side of the compressor 1 is fixedly connected to the condenser 3 through a first infusion tube 4, the first infusion tube 4 is provided with a pressure and temperature detector 2, the outer side of the condenser 3 is fixedly connected to the evaporator 8 through a second infusion tube 5, the right position of the second infusion tube 5 is provided with an expansion valve 7, the left side of the evaporator 8 is fixedly connected to the compressor 1 through a third infusion tube 9, and the middle part of the second infusion tube 5 is provided with a liquid separation mechanism.

[0017] like Figure 1As shown, the liquid separation mechanism includes a liquid reservoir 6, which is arranged in the middle of the second infusion tube 5, and a fourth infusion tube 10 is arranged on the left side of the liquid reservoir 6. A group of first solenoid valves 11 are arranged on the fourth infusion tube 10, and the upper end of the fourth infusion tube 10 is connected and communicated with the second infusion tube 5. The right side of the fourth infusion tube 10 is fixedly connected to a liquid separation reservoir 14, and the right end of the liquid separation reservoir 14 is fixedly connected to a fifth infusion tube 12. A group of second solenoid valves 13 are arranged on the fifth infusion tube 12, and the upper end of the fifth infusion tube 12 is fixedly connected to the second infusion tube 5. The fifth infusion tube 12 is located on the right side of the liquid reservoir 6.

[0018] When the utility model is in use, by adding a pressure and temperature detector 2 to the original system pipeline, adding a first solenoid valve 11 and a second solenoid valve 13, and installing a liquid separation reservoir 14 below the existing liquid reservoir 6, when the compressor 1 is turned on for refrigeration, the pressure and temperature detector 2 detects the system pressure and temperature, and when the detected pressure and temperature reach the set value, the first solenoid valve 11 starts to work, and will separate part of the refrigerant into the liquid separation reservoir 14, and prevent the generation of high pressure by reducing the amount of refrigerant in the entire refrigeration system pipeline. When the maximum heat of the system is dissipated, the pressure will begin to decrease, and the second solenoid valve 13 on the outside of the liquid separation reservoir will open, and the stored refrigerant will be slowly re-injected into the refrigeration system to provide sufficient cooling capacity for the refrigeration system.

[0019] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A refrigeration liquid separation and pressure reduction device, comprising a compressor (1), characterized in that: The left side of the compressor (1) is fixedly connected to the condenser (3) via a first infusion tube (4), the outer side of the condenser (3) is fixedly connected to the evaporator (8) via a second infusion tube (5), the left side of the evaporator (8) is fixedly connected to the compressor (1) via a third infusion tube (9), a pressure and temperature detector (2) is provided on the first infusion tube (4), and a liquid separation mechanism is provided in the middle of the second infusion tube (5).

2. A refrigeration liquid separation and pressure reduction device according to claim 1, characterized in that: An expansion valve (7) is provided at the right position of the second infusion tube (5).

3. A refrigeration liquid separation and pressure reduction device according to claim 1, characterized in that: The liquid separation mechanism comprises a liquid reservoir (6), wherein the liquid reservoir (6) is arranged in the middle of the second infusion tube (5), and a fourth infusion tube (10) is arranged on the left side of the liquid reservoir (6), and the upper end of the fourth infusion tube (10) is connected to and communicates with the second infusion tube (5).

4. A refrigeration liquid separation and pressure reduction device according to claim 3, characterized in that: The right side of the fourth infusion tube (10) is fixedly connected to the liquid separation reservoir (14), the right end of the liquid separation reservoir (14) is fixedly connected to the fifth infusion tube (12), and the upper end of the fifth infusion tube (12) is fixedly connected to the second infusion tube (5).

5. A refrigeration liquid separation and pressure reduction device according to claim 4, characterized in that: The fifth infusion tube (12) is located on the right side of the liquid reservoir (6).

6. A refrigeration liquid separation and pressure reduction device according to claim 5, characterized in that: A group of first electromagnetic valves (11) is provided on the fourth infusion tube (10).

7. A refrigeration liquid separation and pressure reduction device according to claim 6, characterized in that: A group of second electromagnetic valves (13) is provided on the fifth infusion tube (12).

Images