CN218913129U - Compressor performance test system - Google Patents
Compressor performance test system Download PDFInfo
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- CN218913129U CN218913129U CN202223306104.4U CN202223306104U CN218913129U CN 218913129 U CN218913129 U CN 218913129U CN 202223306104 U CN202223306104 U CN 202223306104U CN 218913129 U CN218913129 U CN 218913129U
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Abstract
The utility model discloses a compressor performance test system, relates to the technical field of compressors, in particular to a compressor performance test system, and solves the problems of larger gas consumption and higher test cost of the existing system for testing the performance of a compressor. The system is externally connected with the tested compressor and comprises an air source, an air inlet pipeline, a pressure regulating device, an air exhaust pipeline and a mass flowmeter, wherein the air source is connected with an air inlet of the tested compressor through the air inlet pipeline, an air exhaust port of the tested compressor is connected with the air exhaust pipeline, one end of the air exhaust pipeline, far away from the air exhaust port, is communicated with the air inlet pipeline, the pressure regulating device is arranged on the air inlet pipeline, the mass flowmeter is arranged on the air exhaust pipeline, and the air source medium can circulate between the tested compressor and the system in the testing process through a loop of the air inlet pipeline, the tested compressor and the air exhaust pipeline, so that the gas consumption is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to a performance testing system of a compressor.
Background
The hydrogen compressor is used as the core equipment in the automotive hydrogen adding station, the hydrogen compression field and the hydrogen compression storage field, the stability and performance parameters of the hydrogen compressor are quite important for the related fields, and the operation performance of the hydrogen compressor directly influences the operation of the hydrogen adding station, the compression system and the storage system, so that the detection of the performance of the hydrogen compressor in the fields such as the hydrogen adding station has realistic and urgent requirements. However, after the performance test is finished, the air source medium is directly discharged by the existing compressor performance test system, so that the air consumption is high.
Therefore, in the existing system for testing the performance of the compressor, the gas consumption of the compressed gas medium is high in the testing process, so that the testing cost is high.
Disclosure of Invention
In view of the above, the utility model provides a system for testing performance of a compressor, which aims to solve the problems of high gas consumption and high testing cost of the existing system for testing performance of the compressor.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the first aspect of the embodiment of the application provides a compressor performance test system, which is externally connected with a tested compressor and comprises an air source, an air inlet pipeline, a pressure regulating device, an exhaust pipeline and a mass flowmeter. The air source is connected with the air inlet of the compressor to be compressed through an air inlet pipeline, the air outlet of the compressor to be compressed is connected with an air exhaust pipeline, one end, far away from the air outlet, of the air exhaust pipeline is communicated with the air inlet pipeline, the air inlet pipeline is provided with a pressure regulating device, and the air exhaust pipeline is provided with a mass flowmeter.
When the performance of the compressor is tested, the air inlet of the tested compressor is connected with the air inlet pipeline, the air outlet of the tested compressor is connected with the air outlet pipeline, the tested compressor is started, the air inlet pipeline is started to be close to the valve of the air source, so that the air source medium of the air source enters the air inlet pipeline, after the pressure regulating device arranged on the air inlet pipeline regulates the pressure of the air source medium, the air source medium enters the tested compressor, after the tested compressor compresses the air source medium, the air is discharged from the air outlet of the tested compressor, flows through the mass flowmeter along the air outlet pipeline, and the mass flowmeter tests parameters of indexes such as mass and flow data of the air source medium in the pipeline, so that the performance detection is completed.
After the performance test of the compressor is finished, as one end, far away from the exhaust port, of the exhaust pipeline is communicated with the air inlet pipeline, the air source medium can flow back to the air inlet pipeline from the exhaust pipeline, so that the air source medium flowing back can be used for the performance test of the compressor at the next time, and the circulation of the air source medium in a loop is realized. Therefore, the test compressor performance system is provided with the complete loop of the air inlet pipeline, the tested compressor and the exhaust pipeline, so that air source medium can circularly flow between the tested compressor and the test compressor performance system in the test process, and the gas consumption is effectively reduced.
Meanwhile, when the air source medium flowing out of the air source does not meet the air source pressure requirement of the detected opening performance of the compressor, the air source medium flows into the pressure regulating device, and the pressure regulating device regulates the pressure of the air source medium to the pressure required by the air inlet. The system can be used for multistage pressure testing of the compressor, a test circuit is not required to be independently arranged for different test pressures, and the test efficiency is further improved.
In some embodiments, the pressure regulating device comprises a pressure regulating valve and a pressure measuring device which are sequentially communicated with the air inlet pipeline, and the pressure measuring device is positioned between the pressure regulating valve and the external compressor to be compressed.
When the air source medium flows through the pressure regulating valve, the pressure regulating valve regulates the pressure of the air source medium, the pressure measuring device measures whether the pressure of the air source medium reaches a preset index, and the air source medium flows to an air inlet of the compressor to be compressed after the pressure regulation is completed and enters the compressor to be compressed.
In some embodiments, the air inlet pipeline is close to one end of the pressure regulating valve and is sequentially communicated with a second valve, a first one-way valve and a first valve.
When the performance of the compressor is tested, the first valve and the second valve are sequentially opened, meanwhile, the required pressure of the pressure regulating valve is set, the system can automatically regulate the pressure of medium gas flowing through the pressure regulating valve, and a gas source medium of a gas source flows to the direction of the compressed air from the gas inlet pipeline. The first check valve is arranged so that the gaseous medium can only flow from the gaseous medium to the compressor to be compressed.
In some embodiments, a third valve is disposed on the line connecting the exhaust line with the intake line.
And the third valve is opened, and the air source medium can flow back to the air inlet pipeline from the exhaust pipeline, so that the circulating reflux of the air source medium is realized.
In some embodiments, a second one-way valve is disposed on the exhaust line, the second one-way valve being located on a side of the performance testing apparatus remote from the exhaust port.
The second one-way valve is arranged, so that the medium gas backflow phenomenon can not occur in the testing process of the mass flowmeter, and the testing precision of the system is high.
In some embodiments, a buffer tank is arranged on the exhaust pipe, the buffer tank is positioned on one side of the second one-way valve away from the exhaust port, and one end of the buffer tank away from the exhaust port is communicated with the air inlet pipeline.
After flowing out of the second one-way valve, the air source medium enters the buffer tank, so that the air source medium can be buffered and stored in the buffer tank, and the pressure of the air source medium in the loop can reach the required pressure. Meanwhile, after performance detection is finished, the second one-way valve enables the air source medium not to flow backwards, the air source medium can be temporarily stored in the buffer tank for next performance detection, and the air source medium is further saved.
In some embodiments, the end of the buffer tank remote from the exhaust port is also in communication with an evacuation tower.
And after the performance detection is finished, closing the third valve to enable the air source medium to flow from the buffer tank to the emptying tower, and emptying the air source medium of the system by the emptying tower.
In some embodiments, a fourth valve is provided on the line connecting the surge tank to the blowdown tower.
By arranging the fourth valve, when the fourth valve is opened, air source medium in the buffer tank can enter the emptying tower, so that the air source medium of the system is emptied. When the fourth valve is closed, the air source medium in the buffer tank can enter the air inlet pipeline, so that the circulating reflux of the air source medium is realized.
Drawings
FIG. 1 is a schematic diagram of a compressor performance test system according to an embodiment of the present utility model
Fig. 2 is a schematic diagram of a compressor performance test system according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram III of a compressor performance test system according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a compressor performance test system according to an embodiment of the present utility model.
The attached drawings are used for identifying and describing:
100. the device comprises a first valve, 101, a first check valve, 102, a second valve, 103, a fourth valve, 104, a second check valve, 130, a pressure regulating valve, 140, a pressure measuring device, 150, a mass flowmeter, 160 and a third valve.
Detailed Description
For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that the terms "first" and "second" and the like in the description and the claims of the present utility model are used for distinguishing between different objects and not for describing a particular sequential order.
It will be understood that when an element is referred to as being "fixed to" 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 "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "disposed," "configured," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, an embodiment of the present utility model provides a performance test system for a compressor, which is externally connected with a compressor to be tested and includes an air source, an air inlet pipeline, a pressure regulating device, an air outlet pipeline and a mass flowmeter. The air source is connected with the air inlet of the compressor to be compressed through an air inlet pipeline, the air outlet of the compressor to be compressed is connected with an air exhaust pipeline, one end, far away from the air outlet, of the air exhaust pipeline is communicated with the air inlet pipeline, the air inlet pipeline is provided with a pressure regulating device, and the air exhaust pipeline is provided with a mass flowmeter.
When the performance of the compressor is tested, the air inlet of the tested compressor is connected with the air inlet pipeline, the air outlet of the tested compressor is connected with the air outlet pipeline, the tested compressor is started, the air inlet pipeline is started to be close to the valve of the air source, so that the air source medium of the air source enters the air inlet pipeline, after the pressure regulating device arranged on the air inlet pipeline regulates the pressure of the air source medium, the air source medium enters the tested compressor, after the tested compressor compresses the air source medium, the air is discharged from the air outlet of the tested compressor, flows through the mass flowmeter along the air outlet pipeline, and the mass flowmeter tests parameters of indexes such as mass and flow data of the air source medium in the pipeline, so that the performance detection is completed.
After the performance test of the compressor is finished, as one end, far away from the exhaust port, of the exhaust pipeline is communicated with the air inlet pipeline, the air source medium can flow back to the air inlet pipeline from the exhaust pipeline, so that the air source medium flowing back can be used for the performance test of the compressor at the next time, and the circulation of the air source medium in a loop is realized. Therefore, the test compressor performance system is provided with the complete loop of the air inlet pipeline, the tested compressor and the exhaust pipeline, so that air source medium can circularly flow between the tested compressor and the test compressor performance system in the test process, and the gas consumption is effectively reduced.
Meanwhile, when the air source medium flowing out of the air source does not meet the air source pressure requirement of the detected opening performance of the compressor, the air source medium flows into the pressure regulating device, and the pressure regulating device regulates the pressure of the air source medium to the pressure required by the air inlet. The system can be used for multistage pressure testing of the compressor, a test circuit is not required to be independently arranged for different test pressures, and the test efficiency is further improved.
In one embodiment, referring to fig. 2, the present embodiment provides a performance testing system for a compressor, which is externally connected to a tested compressor and includes an air source, an air inlet pipeline, a pressure regulating device, an air outlet pipeline, and a mass flowmeter 150. The air source is connected with the air inlet of the compressor to be compressed through an air inlet pipeline, the air outlet of the compressor to be compressed is connected with an air outlet pipeline, one end, far away from the air outlet, of the air outlet pipeline is communicated with the air inlet pipeline, the air inlet pipeline is provided with a pressure regulating device, and the air inlet pipeline is provided with a mass flowmeter 150.
With continued reference to fig. 2, the pressure regulating device includes a pressure regulating valve 130 and a pressure measuring device 140 sequentially connected to the air inlet pipe. The pressure measuring device 140 is located between the pressure regulating valve 130 and the external compressor to be compressed. One end of the air inlet pipeline, which is close to the pressure regulating valve 130, is sequentially communicated with a second valve 102, a first one-way valve 101 and a first valve 100. A third valve 160 is provided in the line connecting the exhaust line with the intake line.
When the performance of the compressor is tested, the first valve 100 and the second valve 102 are sequentially opened, meanwhile, the required pressure of the pressure regulating valve 130 is set, the air source medium flows through the pressure regulating valve 130, the pressure regulating valve 130 regulates the pressure of the air source medium, the pressure measuring device 140 measures whether the pressure of the air source medium reaches a preset index, and after the pressure regulation is completed, the air source medium flows to the air inlet of the compressor to be measured and enters the compressor to be measured. The first check valve 101 is arranged so that the gaseous medium can only flow from the gaseous medium to the compressor to be compressed.
After the compressed air source medium is compressed by the compressor, the air source medium is subjected to performance detection by the mass flowmeter 150. After the performance detection of the first cycle is finished, the air source medium flows back from the exhaust pipeline to the air inlet pipeline from the third valve 160 for the performance detection of the next cycle, and the circulation reflux of the air source medium is realized.
In another embodiment, referring to fig. 3, the present embodiment provides a performance testing system for a compressor, where, based on the above embodiment, a second check valve 104 is further disposed on the exhaust pipe, and the second check valve 104 is located on a side of the performance testing device away from the exhaust port. The exhaust pipe is provided with a buffer tank, the buffer tank is located one side of the second one-way valve 104 away from the exhaust port, and one end of the buffer tank away from the exhaust port is communicated with the air inlet pipeline.
When the first performance detection is performed, the whole loop is filled with the air source medium, the air source medium continuously flows out of the air source and flows to the buffer tank, and the air source medium is buffered and stored in the buffer tank, so that the pressure of the air source medium in the loop can reach the required pressure, and the performance detection is started.
After the last performance test is finished, the air source medium flows back to the air inlet pipeline from the buffer tank, so that the circulating reflux of the air source medium is realized, and the air source medium is used for the next test.
Meanwhile, after the performance detection of the air source medium is finished by the mass flowmeter 150, the air source medium flows out of the mass flowmeter 150 and flows through the second one-way valve 104 to enter the buffer tank, the air source medium cannot flow back due to the arrangement of the second one-way valve 104, and the air source medium can be temporarily stored in the buffer tank for the next performance detection, so that the air source medium is further saved.
Meanwhile, the second one-way valve 104 is arranged, so that the medium gas backflow phenomenon cannot occur in the testing process of the mass flowmeter 150, and the testing precision of the system is high.
In another embodiment, referring to fig. 4, the present embodiment provides a system for testing performance of a compressor, where, on the basis of the above embodiment, an end of the buffer tank, which is far away from the exhaust port, is further connected to an emptying tower. A fourth valve 103 is arranged on the pipeline connecting the buffer tank and the emptying tower.
Before performance detection, the third valve 160 may be closed, the fourth valve 103 may be closed, the air source may go through the air inlet pipeline and the detected compressor to the air outlet pipeline for early pressurization, so that the pressure value of the air outlet meets the required pressure value, and then the third valve 160 may be opened to open performance detection.
When the system performs performance detection, the air source medium in the buffer tank can enter the air inlet pipeline through closing the third valve 160 when the fourth valve 103 is closed, so that the circulating reflux of the air source medium is realized, and the recyclable performance detection is performed.
After the system finishes performance detection, the fourth valve 103 is opened, the third valve 160 is closed, the air source medium in the buffer tank enters the emptying tower, and the emptying tower empties the air source medium of the system, so that the air source medium of the system is emptied.
Claims (8)
1. The compressor performance test system is characterized by being externally connected with a tested compressor and comprising an air source, an air inlet pipeline, a pressure regulating device, an exhaust pipeline and a mass flowmeter (150); the air source is connected with the air inlet of the tested compressor through the air inlet pipeline, the air outlet of the tested compressor is connected with the air outlet pipeline, one end, far away from the air outlet, of the air outlet pipeline is communicated with the air inlet pipeline, the air inlet pipeline is provided with the pressure regulating device, and the air outlet pipeline is provided with the mass flowmeter (150).
2. The compressor performance test system according to claim 1, wherein the pressure regulating device comprises a pressure regulating valve (130) and a pressure measuring device (140) which are sequentially communicated with the air inlet pipeline, and the pressure measuring device (140) is positioned between the pressure regulating valve (130) and the external compressor to be compressed.
3. The compressor performance test system according to claim 2, wherein the air inlet pipeline is connected to the second valve (102), the first check valve (101) and the first valve (100) in sequence at one end near the pressure regulating valve (130).
4. A compressor performance test system according to claim 1, wherein a third valve (160) is provided in the line connecting the exhaust line with the intake line.
5. A compressor performance testing system according to claim 1, wherein a second one-way valve (104) is provided in the exhaust line, the second one-way valve (104) being located on a side of the performance testing apparatus remote from the exhaust port.
6. A compressor performance testing system according to claim 5, wherein a buffer tank is provided on the exhaust pipe, the buffer tank being located on a side of the second check valve (104) remote from the exhaust port, and an end of the buffer tank remote from the exhaust port being in communication with the intake pipe.
7. The compressor performance test system of claim 6, wherein an end of the surge tank remote from the exhaust port is further coupled to an evacuation tower.
8. A compressor performance test system according to claim 7, wherein a fourth valve (103) is provided in the line connecting the buffer tank to the blowdown tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223306104.4U CN218913129U (en) | 2022-12-09 | 2022-12-09 | Compressor performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223306104.4U CN218913129U (en) | 2022-12-09 | 2022-12-09 | Compressor performance test system |
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| Publication Number | Publication Date |
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| CN218913129U true CN218913129U (en) | 2023-04-25 |
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| CN202223306104.4U Active CN218913129U (en) | 2022-12-09 | 2022-12-09 | Compressor performance test system |
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