CN222668331U - Oil quantity control device and compressor system - Google Patents
Oil quantity control device and compressor system Download PDFInfo
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- CN222668331U CN222668331U CN202421497190.8U CN202421497190U CN222668331U CN 222668331 U CN222668331 U CN 222668331U CN 202421497190 U CN202421497190 U CN 202421497190U CN 222668331 U CN222668331 U CN 222668331U
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Abstract
The utility model discloses an oil quantity control device and a compressor system, wherein the oil quantity control device comprises an oil utilization device, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, an oil separator, an oil storage container, an oil return valve, a bypass valve and an air inlet valve, wherein the oil separator, the oil storage container, the oil return valve, the oil utilization device and the bypass valve are sequentially arranged on the first pipeline, the first pipeline is connected with the second pipeline and the third pipeline, two ends of the fourth pipeline are respectively connected with the oil separator and the first pipeline, and the air inlet valve is arranged on the fourth pipeline. Through the application of the utility model, the oil quantity control device is particularly suitable for oil increasing and decreasing operation of the compressor, the compressor is not required to stop in the oil increasing and decreasing process, the operation is simple, the oil quantity control is accurate, the waste of refrigerant and oil liquid is reduced, and the accuracy of the result of the compressor test is ensured.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to an oil quantity control device and a compressor system.
Background
At present, in the development process of a thermal management system of a new energy automobile, in order to coordinate control of a compressor and other components, the system is ensured to stably run under different working conditions, the lubrication requirement of the compressor is met, and an oil return test is often required to be carried out on the system. In the oil return test, the oil filling amount, the operation condition and other factors directly influence the residual oil amount in the compressor and the refrigerating oil amount (i.e. the oil circulation rate) circulating with the refrigerant.
In the calibration test for determining the oil filling amount, the oil filling or pouring operation is often required to be performed on the compressor, in the prior art, the oil filling or pouring operation is mainly performed in a mode of removing the compressor, the refrigerant is generally discharged first, a certain amount of refrigerating oil is directly filled or poured from the air suction port after the compressor is removed, the filling amount or pouring amount of the refrigerating oil is determined through weighing or volume conversion, the total oil amount in the compressor is further determined, and then the compressor is reinstalled, vacuumized and filled with the refrigerant.
The method has the advantages that the operation steps are complicated, a certain waste is caused by discharging the refrigerant, the pipeline is time-consuming and labor-consuming to disassemble, a great amount of labor and time are wasted, the leakage risk is caused if the pipeline is not installed and connected in place, meanwhile, the method also relates to the use of special tools, the requirement on operators is high, the residual oil quantity in the pipeline can not be determined, the total oil quantity in the system can not be determined, and the accuracy of the test is affected.
Disclosure of utility model
In view of the above, an object of the present utility model is to provide an oil amount control device including an oil usage device, a first pipe, a second pipe, a third pipe, a fourth pipe, an oil separator, an oil reservoir, an oil return valve, a bypass valve, and an intake valve;
The oil separator, the oil storage container, the oil return valve, the oil utilization device and the bypass valve are sequentially arranged on the first pipeline;
The first pipeline is connected with the second pipeline and the third pipeline, one end of the second pipeline is arranged between the oil utilization device and the oil return valve, and one end of the third pipeline is arranged between the bypass valve and the oil separator;
The oil separator is characterized in that two ends of the fourth pipeline are respectively connected with the oil separator and the first pipeline, one end, connected with the first pipeline, of the fourth pipeline is arranged between the bypass valve and the oil utilization device, and the air inlet valve is arranged on the fourth pipeline.
In another preferred embodiment, the oil return device further comprises a fifth pipeline and an oil discharge valve, wherein the oil discharge valve is arranged on the fifth pipeline, one end of the fifth pipeline is connected with the first pipeline, and one end of the fifth pipeline is arranged between the oil return valve and the oil storage container.
In another preferred embodiment, the oil-using device further comprises a filter and a capillary tube, wherein the filter and the capillary tube are sequentially arranged on the first pipeline, and the filter and the capillary tube are arranged between the oil return valve and the oil-using device.
In another preferred embodiment, the oil storage container comprises a transparent tank body, wherein the lower end of the transparent tank body is in a conical shape, scale marks are arranged on the outer wall of the transparent tank body, the upper end of the transparent tank body is connected with the oil separator through the first pipeline, and the lower end of the transparent tank body is connected with the oil return valve through the first pipeline.
In another preferred embodiment, the oil separator is provided with a first pressure sensor, and the first pipeline between the bypass valve and the oil using device is provided with a second pressure sensor.
In another preferred embodiment, the oil-using device is a compressor.
The utility model further aims to provide a compressor system, which comprises the oil quantity control device of any one of the above, and is characterized by further comprising a sixth pipeline, a gas-liquid separator, an expansion valve and a heat exchanger assembly, wherein two ends of the sixth pipeline are respectively connected with the other end of the second pipeline and the other end of the third pipeline, the heat exchanger assembly, the expansion valve and the gas-liquid separator are sequentially arranged on the sixth pipeline, and the gas-liquid separator is arranged close to the second pipeline relative to the heat exchanger assembly.
In another preferred embodiment, the heat exchanger assembly comprises a condensing heat exchanger, a supercooling heat exchanger and an evaporating heat exchanger which are sequentially arranged on the sixth pipeline, wherein the evaporating heat exchanger is arranged close to the gas-liquid separator relative to the condensing heat exchanger.
In another preferred embodiment, the system further comprises a mass flowmeter and an oil circulation rate measuring instrument, wherein the mass flowmeter and the oil circulation rate measuring instrument are arranged on the sixth pipeline.
In another preferred embodiment, a third pressure sensor is provided on the sixth pipeline, the third pressure sensor being provided between the gas-liquid separator and the heat exchanger assembly.
By adopting the technical scheme, the utility model has the positive effects compared with the prior art that:
Through the application of the utility model, the oil quantity control device is particularly suitable for oil increasing and decreasing operation of the compressor, the compressor is not required to stop in the oil increasing and decreasing process, the operation is simple, the oil quantity control is accurate, the waste of refrigerant and oil liquid is reduced, and the accuracy of the result of the compressor test is ensured.
Drawings
FIG. 1 is a schematic view of an oil control device according to the present utility model;
FIG. 2 is a schematic drawing of a vacuum pump and refrigerant charge for an oil control device according to the present utility model;
FIG. 3 is a schematic diagram of a normal operation of an oil control device according to the present utility model;
FIG. 4 is a schematic diagram of the oil make-up of an oil control device according to the present utility model;
FIG. 5 is a schematic diagram of an oil return of an oil control device according to the present utility model;
fig. 6 is an overall schematic of a compressor system of the present utility model.
In the accompanying drawings:
1. The oil-using device comprises an oil-using device, 2, a first pipeline, 3, a second pipeline, 4, a third pipeline, 5, a fourth pipeline, 6, an oil separator, 7, an oil storage container, 8, an oil return valve, 9, a bypass valve, 10, an air inlet valve, 11, a fifth pipeline, 12, an oil discharge valve, 13, a filter, 14, a capillary tube, 15, a scale mark, 16, a first pressure sensor, 17, a second pressure sensor, 18, a sixth pipeline, 19, a gas-liquid separator, 20, an expansion valve, 21, a condensing heat exchanger, 22, a supercooling heat exchanger, 23, an evaporating heat exchanger, 24, a mass flowmeter, 25, an oil circulation rate measuring instrument, 26 and a third pressure sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the oil quantity control device of the preferred embodiment comprises an oil utilization device 1, a first pipeline 2, a second pipeline 3, a third pipeline 4, a fourth pipeline 5, an oil separator 6, an oil storage container 7, an oil return valve 8, a bypass valve 9 and an air inlet valve 10, wherein the oil separator 6, the oil storage container 7, the oil return valve 8, the oil utilization device 1 and the bypass valve 9 are sequentially arranged on the first pipeline 2, the second pipeline 3 and the third pipeline 4 are connected to the first pipeline 2, one end of the second pipeline 3 is arranged between the oil utilization device 1 and the oil return valve 8, one end of the third pipeline 4 is arranged between the bypass valve 9 and the oil separator 6, two ends of the fourth pipeline 5 are respectively connected with the oil separator 6 and the first pipeline 2, one end of the fourth pipeline 5 connected with the first pipeline 2 is arranged between the bypass valve 9 and the oil utilization device 1, and the air inlet valve 10 is arranged on the fourth pipeline 5. Further, the bypass valve 9 and the intake valve 10 are used as an intake control function part of the present oil quantity control device, the oil separator 6, the oil reservoir 7 and the below-described oil discharge valve 12 are used as an oil separation and storage function part of the present oil quantity control device, the oil return valve 8 and the below-described filter 13 and capillary tube 14 are used as an oil return function part of the present oil quantity control device, wherein the first pipeline 2 is arranged in a ring shape, the front end and the rear end of the first pipeline 2 are mutually connected and are not directly connected with the outside, the connection with the outside is only through the second pipeline 3 and the third pipeline 4 and the below-described fifth pipeline 11, and the second pipeline 3 and the third pipeline 4 are used for being connected with corresponding external systems which are used for matching the work of the oil utilization device 1.
Further, as a preferred embodiment, the oil return device further comprises a fifth pipeline 11 and an oil discharge valve 12, wherein the oil discharge valve 12 is arranged on the fifth pipeline 11, one end of the fifth pipeline 11 is connected with the first pipeline 2, and one end of the fifth pipeline 11 is arranged between the oil return valve 8 and the oil storage container 7.
Further, as a preferred embodiment, the other end of the fifth conduit 11 is preferably connectable to a reservoir structure for storing the discharged oil.
Further, as a preferred embodiment, the oil-using device further comprises a filter 13 and a capillary tube 14, wherein the filter 13 and the capillary tube 14 are sequentially arranged on the first pipeline 2, and the filter 13 and the capillary tube 14 are arranged between the oil return valve 8 and the oil-using device 1.
Further, as a preferred embodiment, the oil storage container 7 comprises a transparent tank body, wherein the lower end of the transparent tank body is in a conical shape, scale marks 15 are arranged on the outer wall of the transparent tank body, the upper end of the transparent tank body is connected with the oil separator 6 through a first pipeline 2, and the lower end of the transparent tank body is connected with the oil return valve 8 through the first pipeline 2. Further, through the transparent tank body and the setting of scale mark 15, can show its inside oil level height and the colour of fluid directly, the staff of being convenient for directly judges the running state of oil device 1.
Further, as a preferred embodiment, the portion of the first pipeline 2 where the oil reservoir 7 is connected to the oil separator 6 is an oil return pipe section of the oil separator 6.
Further, as a preferred embodiment, the oil storage container 7 is preferably arranged along the vertical direction, and a part of frozen oil can be pre-stored in the oil storage container 7 before being installed and connected, so that the oil does not need to be replenished during the subsequent working operation.
Further, as a preferred embodiment, the upper portion of the transparent can body has a cylindrical structure.
Further, as a preferred embodiment, the oil separator 6 is provided with a first pressure sensor 16, and the first line 2 between the bypass valve 9 and the oil consumer 1 is provided with a second pressure sensor 17. Further, when the oil usage device 1 is a compressor, the second pressure sensor 17 is provided at the discharge pipe of the compressor, i.e. the first pipe 2 provided with the second pressure sensor 17 is the discharge pipe of the compressor, i.e. the pipe section where the bypass valve 9 is located.
Further, as a preferred embodiment, the first pressure sensor 16 and the second pressure sensor 17 are preferably both high pressure sensors.
Further, as a preferred embodiment, the oil-using device 1 is a compressor.
As shown in fig. 2, the flow direction of air at the time of evacuation is schematically indicated. Further, as a preferred embodiment, in the process of vacuumizing and refrigerant charging of the oil quantity control device, after the oil quantity control device is installed in the external system, the bypass valve 9 and the air inlet valve 10 are opened when the external system is vacuumized, so that the oil quantity control device is communicated with the external system, the oil return valve 8 and the oil discharge valve 12 are closed, the oil quantity pre-stored in the oil storage container 7 is unchanged, and the air inlet valve 10 is closed after the refrigerant charging is finished.
As shown in fig. 3, the flow direction of the refrigerant in the normal operation is schematically shown. Further, as a preferred embodiment, during the normal operation of the present oil quantity control device, only the bypass valve 9 is opened, the intake valve 10, the oil return valve 8 and the oil discharge valve 12 are closed, and although the oil separator 6 communicates with the above-mentioned external system through the exhaust port, the refrigerant does not undergo the oil separation process, the oil separator 6 does not function, the oil return valve 8 does not return oil, and the total oil quantity in the external system and the oil consumer 1 is unchanged.
As shown in fig. 4, the flow direction of the refrigerant at the time of oil replenishment is schematically indicated. Further, as a preferred embodiment, in the oil supplementing process of the oil quantity control device, when the compressor is supplemented with oil, the bypass valve 9 is opened, the air inlet valve 10 and the oil outlet valve 12 are closed, the oil supplementing quantity is controlled by adjusting the oil return valve 8, at the moment, the oil separator 6 is not active but is communicated with an external system, the internal pressure of the oil separator is equal to the exhaust pressure of the compressor, the oil returns to the air inlet pipe of the compressor from the oil storage container 7 through the oil return valve 8, the filter 13 and the capillary tube 14 under the action of the pressure difference at the two ends of the oil storage container 7, and the oil supplementing quantity to the external system is determined by the descending height of the oil surface in the oil storage container 7.
As shown in fig. 5, the flow direction of the refrigerant at the time of recovery is schematically indicated. Further, as a preferred embodiment, when too much oil needs to be recovered from the external system, the air intake valve 10 is opened, the bypass valve 9, the oil return valve 8 and the oil discharge valve 12 are closed, so that the refrigerant enters the oil separator 6 and is separated from the oil, the separated oil is collected into the oil storage container 7 under the action of gravity, the oil amount in the oil storage container 7 is increased to a target value, the bypass valve 9 is opened after the oil recovery operation is finished, and the air intake valve 10 is closed. And if too much oil is stored in the oil storage container 7, the oil discharge valve 12 can be opened and the oil return valve 8 can be closed when the pressure in the oil separator 6 is greater than the atmospheric pressure, so that unnecessary oil can be discharged.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
As shown in fig. 6, a compressor system of a preferred embodiment, that is, the above-mentioned external system, includes the oil amount control device of any one of the above-mentioned aspects, and further includes a sixth pipeline 18, a gas-liquid separator 19, an expansion valve 20, and a heat exchanger assembly, wherein two ends of the sixth pipeline 18 are respectively connected with the other end of the second pipeline 3 and the other end of the third pipeline 4, the heat exchanger assembly, the expansion valve 20, and the gas-liquid separator 19 are sequentially disposed on the sixth pipeline 18, and the gas-liquid separator 19 is disposed close to the second pipeline 3 with respect to the heat exchanger assembly.
In a further embodiment of the utility model, the heat exchanger assembly comprises a condensing heat exchanger 21, a supercooling heat exchanger 22 and an evaporating heat exchanger 23 which are arranged in sequence on the sixth pipeline 18, the evaporating heat exchanger 23 being arranged close to the gas-liquid separator 19 relative to the condensing heat exchanger 21.
In a further embodiment of the utility model, the system further comprises a mass flowmeter 24 and an oil circulation rate measuring instrument 25, wherein the mass flowmeter 24 and the oil circulation rate measuring instrument 25 are arranged on the sixth pipeline 18. Further, a mass flow meter 24 is used to measure the mass flow of the refrigerant and oil mixture, and an oil circulation rate meter 25 is used to measure the proportion of oil in the mixture.
In a further embodiment of the utility model, a third pressure sensor 26 is arranged on the sixth conduit 18, the third pressure sensor 26 being arranged between the gas-liquid separator 19 and the heat exchanger assembly.
In a further embodiment of the utility model, the outlet pipe of the gas-liquid separator 19 is the above-mentioned second pipe 3, i.e. the suction pipe of the compressor.
In a further embodiment of the utility model, the third pressure sensor 26 is preferably a low pressure sensor.
In a further embodiment of the present utility model, during the normal operation of the present compressor system, the refrigerant is compressed and then sequentially passes through the bypass valve 9, the condensation heat exchanger 21, the supercooling heat exchanger 22, the mass flowmeter 24, the oil circulation rate measuring instrument 25, the expansion valve 20, the evaporation heat exchanger 23, the gas-liquid separator 19, and then returns to the compressor, wherein the supercooling heat exchanger 22 is used for performing one-time condensation on the refrigerant passing through the condensation heat exchanger 21 to supercooling, so as to ensure that the refrigerant entering the mass flowmeter 24 is in a liquid state, and ensure that the measurement of the mass flowmeter 24 is accurate.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. The oil quantity control device is characterized by comprising an oil utilization device, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, an oil separator, an oil storage container, an oil return valve, a bypass valve and an air inlet valve;
The oil separator, the oil storage container, the oil return valve, the oil utilization device and the bypass valve are sequentially arranged on the first pipeline;
The first pipeline is connected with the second pipeline and the third pipeline, one end of the second pipeline is arranged between the oil utilization device and the oil return valve, and one end of the third pipeline is arranged between the bypass valve and the oil separator;
The oil separator is characterized in that two ends of the fourth pipeline are respectively connected with the oil separator and the first pipeline, one end, connected with the first pipeline, of the fourth pipeline is arranged between the bypass valve and the oil utilization device, and the air inlet valve is arranged on the fourth pipeline.
2. A fuel quantity control device as set forth in claim 1, further comprising a fifth line and a fuel discharge valve, said fuel discharge valve being disposed on said fifth line, one end of said fifth line being connected to said first line, one end of said fifth line being disposed between said fuel return valve and said fuel reservoir.
3. The oil amount control device according to claim 1, further comprising a filter and a capillary tube, which are provided in this order on the first pipe, the filter and the capillary tube being provided between the oil return valve and the oil usage device.
4. The oil quantity control device according to claim 1, wherein the oil storage container comprises a transparent tank body, the lower end of the transparent tank body is arranged in a conical shape, scale marks are arranged on the outer wall of the transparent tank body, the upper end of the transparent tank body is connected with the oil separator through the first pipeline, and the lower end of the transparent tank body is connected with the oil return valve through the first pipeline.
5. A fuel quantity control device as set forth in claim 1 wherein said oil separator is provided with a first pressure sensor and a second pressure sensor is provided on a first line between said bypass valve and said fuel consumption device.
6. A fuel quantity control device as set forth in claim 1 wherein said fuel utilization device is a compressor.
7. A compressor system comprising the oil quantity control device according to any one of claims 1 to 6, further comprising a sixth pipeline, a gas-liquid separator, an expansion valve and a heat exchanger assembly, wherein two ends of the sixth pipeline are respectively connected with the other end of the second pipeline and the other end of the third pipeline, the heat exchanger assembly, the expansion valve and the gas-liquid separator are sequentially arranged on the sixth pipeline, and the gas-liquid separator is arranged close to the second pipeline relative to the heat exchanger assembly.
8. The compressor system of claim 7 wherein the heat exchanger assembly includes a condensing heat exchanger, a subcooling heat exchanger, and an evaporating heat exchanger disposed in the sixth conduit in that order, the evaporating heat exchanger being disposed proximate the gas-liquid separator relative to the condensing heat exchanger.
9. The compressor system of claim 7 further comprising a mass flow meter and an oil circulation rate meter, each of the mass flow meter and the oil circulation rate meter being disposed on the sixth pipeline.
10. The compressor system of claim 7, wherein a third pressure sensor is disposed on the sixth conduit, the third pressure sensor being disposed between the gas-liquid separator and the heat exchanger assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421497190.8U CN222668331U (en) | 2024-06-27 | 2024-06-27 | Oil quantity control device and compressor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421497190.8U CN222668331U (en) | 2024-06-27 | 2024-06-27 | Oil quantity control device and compressor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222668331U true CN222668331U (en) | 2025-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421497190.8U Active CN222668331U (en) | 2024-06-27 | 2024-06-27 | Oil quantity control device and compressor system |
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|---|---|
| CN (1) | CN222668331U (en) |
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- 2024-06-27 CN CN202421497190.8U patent/CN222668331U/en active Active
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