Fluorine pump performance testing device

Abstract

The utility model discloses a fluorine pump performance testing device which comprises a liquid storage tank, a testing unit and a fluorine pump, and the liquid storage tank is used for containing liquid refrigerant; the testing unit comprises at least two testing channels, a liquid inlet pipeline and a liquid return pipeline, each testing channel comprises a front valve, a flowmeter and a rear valve which are communicated in sequence, the measuring ranges of the flowmeters are different, the outlet ends of the liquid inlet pipeline are communicated with the inlet ends of the front valves in a one-to-one correspondence mode, and the outlet ends of the liquid return pipeline are communicated with the outlet ends of the rear valves in a one-to-one correspondence mode. The inlet ends of the liquid return pipeline are communicated with the outlet ends of the rear valves in a one-to-one correspondence manner, and the outlet end of the liquid return pipeline is communicated with the return port end of the liquid storage tank; and the inlet end of the fluorine pump is detachably communicated with the outlet end of the liquid storage tank. The fluorine pump performance testing device has the beneficial effects that the fluorine pump performance testing device is suitable for testing the performance of the fluorine pump, can be used for testing the performance of fluorine pumps with different flows in different channels, and is high in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a fluorine pump performance testing device. Background Art

[0002] Server cabinets are often equipped with heat exchange systems to provide forced cooling to meet the cooling requirements of data center servers. As the power element of a heat exchange system, the performance of the fluorine pump directly determines the cooling efficiency of the entire system. Therefore, testing the performance of the fluorine pump is particularly important. Fluorine pump performance data is primarily obtained from manufacturer's introductions or pump specifications, which can provide limited information. To obtain more complete performance data, specialized testing equipment is required to test the performance of the fluorine pump.

[0003] Existing testing devices (such as a hydraulic pump testing operating table disclosed in application number 202111577002.3) are not suitable for testing the performance of fluorine pumps, and cannot perform channel performance tests on fluorine pumps with different flow rates. Utility Model Content

[0004] The purpose of the present invention is to overcome the above technical deficiencies and propose a fluorine pump performance testing device to solve the technical problems that the testing device in the prior art is not suitable for testing the performance of fluorine pumps, and cannot perform channel performance testing on fluorine pumps with different flow rates.

[0005] To achieve the above technical objectives, the technical solution of the present utility model provides a fluorine pump performance testing device, comprising:

[0006] A liquid storage tank, which is used to contain liquid refrigerant;

[0007] A test unit comprising at least two test passages, a liquid inlet line, and a liquid return line, wherein the test passage comprises a front valve, a flow meter, and a rear valve connected in sequence, wherein the flow meters have different measuring ranges, wherein each outlet end of the liquid inlet line is connected in a one-to-one correspondence with each inlet end of the front valve, each inlet end of the liquid return line is connected in a one-to-one correspondence with each outlet end of the rear valve, and the outlet end of the liquid return line is connected to the return port end of the liquid storage tank;

[0008] The fluorine pump has an inlet end detachably connected to the outlet end of the liquid storage tank, and an outlet end detachably connected to the inlet end of the liquid inlet pipeline.

[0009] Furthermore, the front valve is a first electric control valve, and the rear valve is a first ball valve.

[0010] Furthermore, the liquid inlet pipeline includes a liquid inlet hose, a first liquid inlet valve, a first sight glass, a second liquid inlet valve and a connecting pipe. The liquid inlet hose, the first liquid inlet valve, the first sight glass and the second liquid inlet valve are connected in sequence. The inlet end of the connecting pipe is connected to the outlet end of the second liquid inlet valve. Each outlet end of the connecting pipe is connected to the inlet end of each front valve in a one-to-one correspondence. The outlet end of the fluorine pump is detachably connected to the inlet end of the liquid inlet hose.

[0011] Furthermore, the liquid inlet pipeline also includes a first pressure sensor and a first temperature sensor. The first pressure sensor is connected to the inlet end of the first liquid inlet valve to monitor the pressure of the liquid refrigerant output by the fluorine pump. The first temperature sensor is connected to the inlet end of the first liquid inlet valve to monitor the temperature of the liquid refrigerant output by the fluorine pump.

[0012] Furthermore, the first liquid inlet valve is a second ball valve, and the second liquid inlet valve is a second electric control valve.

[0013] Furthermore, the fluorine pump performance testing device also includes a filter unit, the inlet end of the filter unit is detachably connected to the outlet end of the liquid storage tank, the inlet end of the fluorine pump is detachably connected to the outlet end of the filter unit, and the filter unit is used to filter the liquid refrigerant passing through.

[0014] Furthermore, the filtration unit includes a first liquid outlet valve, a filter, a second liquid outlet valve, a second sight glass, a third liquid outlet valve and a liquid outlet hose which are connected in sequence. The inlet end of the first liquid outlet valve is detachably connected to the outlet end of the liquid storage tank via a pipeline, and the inlet end of the fluorine pump is detachably connected to the outlet end of the liquid outlet hose.

[0015] Furthermore, the filtration unit also includes a fourth liquid outlet valve, the inlet end of the fourth liquid outlet valve is detachably connected to the outlet end of the liquid storage tank via a pipeline, and the outlet end of the fourth liquid outlet valve is connected to the pipeline between the second liquid outlet valve and the second sight glass via a pipeline.

[0016] Furthermore, the filtration unit also includes a second pressure sensor and a second temperature sensor. The second pressure sensor is connected to the outlet end of the third liquid outlet valve to monitor the pressure of the liquid refrigerant before entering the fluorine pump. The second temperature sensor is connected to the outlet end of the third liquid outlet valve to monitor the temperature of the liquid refrigerant before entering the fluorine pump.

[0017] Furthermore, the fluorine pump performance testing device also includes a heat exchanger, the outlet end of the heat exchanger is connected to the return end of the liquid storage tank, the outlet end of the return liquid pipeline is connected to the inlet end of the heat exchanger, and the heat exchanger is used to convert the liquid refrigerant passing through into gaseous refrigerant.

[0018] Compared with the prior art, the beneficial effects of the present invention include: during testing, the inlet end of the fluorine pump is detachably connected to the outlet end of the liquid storage tank, and the outlet end of the fluorine pump is detachably connected to the inlet end of the liquid inlet pipeline. According to the flow parameter information on the fluorine pump nameplate, a suitable test path is selected, the front valve and the rear valve on the selected test path are opened, and the selected test path is in a conducting state. The front valve and the rear valve on the unselected test path are closed, and the unselected test path is in a cut-off state. The fluorine pump is turned on, and the fluorine pump draws the liquid refrigerant in the liquid storage tank into the liquid inlet pipeline, and the liquid refrigerant then flows back to the liquid storage tank along the selected test path. In the process of the liquid refrigerant flowing through the selected test path, the flow meter can measure the flow of the liquid refrigerant, and then judge the performance of the fluorine pump based on the measured flow data. The fluorine pump performance testing device is suitable for testing the performance of the fluorine pump, and can perform channel performance testing on fluorine pumps with different flow rates, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of a fluorine pump performance testing device provided by the utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of a fluorine pump performance testing device provided by the utility model;

[0021] In the figure: 100 - liquid storage tank, 200 - test unit, 210 - test passage, 211 - front valve, 212 - flow meter, 213 - rear valve, 220 - liquid inlet pipeline, 221 - liquid inlet hose, 222 - first liquid inlet valve, 223 - first sight glass, 224 - second liquid inlet valve, 225 - connecting pipe, 226 - first pressure sensor, 227 - first temperature sensor, 230 - liquid return pipeline, 300 - fluorine pump, 400 - filter unit, 410 - first liquid outlet valve, 420 - filter, 430 - second liquid outlet valve, 440 - second sight glass, 450 - third liquid outlet valve, 460 - liquid outlet hose, 470 - fourth liquid outlet valve, 480 - second pressure sensor, 490 - second temperature sensor, 500 - heat exchanger. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] The utility model provides a fluorine pump performance testing device, the structure of which is as follows: Figure 1 As shown, it includes a liquid storage tank 100, a test unit 200 and a fluorine pump 300. The liquid storage tank 100 is used to contain liquid refrigerant; the test unit 200 includes at least two test passages 210, a liquid inlet pipeline 220 and a liquid return pipeline 230. The test passage 210 includes a front valve 211, a flow meter 212 and a rear valve 213 connected in sequence. The measuring range of each flow meter 212 is different. Each outlet end of the liquid inlet pipeline 220 is connected to the inlet end of each front valve 211 in a one-to-one correspondence, and each inlet end of the liquid return pipeline 230 is connected to the outlet end of each rear valve 213 in a one-to-one correspondence. The outlet end of the liquid return pipeline 230 is connected to the return end of the liquid storage tank 100; the inlet end of the fluorine pump 300 is detachably connected to the outlet end of the liquid storage tank 100, and the outlet end of the fluorine pump 300 is detachably connected to the inlet end of the liquid inlet pipeline 220.

[0024] During the test, the inlet end of the fluorine pump 300 is detachably connected to the outlet end of the liquid storage tank 100, and the outlet end of the fluorine pump 300 is detachably connected to the inlet end of the liquid inlet pipe 220. According to the flow parameter information on the nameplate of the fluorine pump 300, the appropriate test path 210 is selected, the front valve 211 and the rear valve 213 on the selected test path 210 are opened, and the selected test path 210 is in the conducting state. The front valve 211 and the rear valve 213 on the unselected test path 210 are closed, and the unselected test path 210 is in the conducting state. 10 is in the cut-off state, the fluorine pump 300 is turned on, the fluorine pump 300 draws the liquid refrigerant in the liquid storage tank 100 into the liquid inlet pipe 220, and the liquid refrigerant then flows back to the liquid storage tank 100 along the selected test passage 210. In the process of the liquid refrigerant flowing through the selected test passage 210, the flow meter 212 can measure the flow of the liquid refrigerant, and then judge the performance of the fluorine pump 300 based on the measured flow data. The fluorine pump performance testing device is suitable for testing the performance of fluorine pumps, and can perform channel performance tests on fluorine pumps with different flow rates, and has strong versatility.

[0025] As a preferred embodiment, the fluorine pump 300 is different from other pumps. It uses refrigerant and has sealing conditions that make it difficult to replace the pump body during development and testing. Fluorine pumps 300 from different manufacturers or different models are also different in size, height, flow rate, etc. When measuring information such as flow rate, head, and power, the test upper limit will be limited due to various factors such as the inner diameter of the pipeline. Setting up multiple test passages 210 can realize performance testing of fluorine pumps of different models.

[0026] As a preferred embodiment, the front valve 211 is a first electric control valve, and the rear valve 213 is a first ball valve. The first electric control valve can be used to achieve intelligent control of the on-off state of the test passage 210 .

[0027] As a preferred embodiment, please refer to Figure 1 and Figure 2 The liquid inlet pipeline 220 includes a liquid inlet hose 221, a first liquid inlet valve 222, a first sight glass 223, a second liquid inlet valve 224 and a connecting pipe 225. The liquid inlet hose 221, the first liquid inlet valve 222, the first sight glass 223 and the second liquid inlet valve 224 are connected in sequence. The inlet end of the connecting pipe 225 is connected to the outlet end of the second liquid inlet valve 224. The outlet ends of the connecting pipe 225 are connected to the inlet ends of the front valves 211 in a one-to-one correspondence. The outlet end of the fluorine pump 300 is detachably connected to the inlet end of the liquid inlet hose 221. The condition of the liquid refrigerant passing through can be observed through the first sight glass 223. The first sight glass 223 The first liquid inlet valve 222 and the second liquid inlet valve 224 are respectively provided at both ends to facilitate replacement of the first sight glass 223 and avoid leakage of liquid refrigerant in the system. The outlet end of the fluorine pump 300 is detachably connected to the inlet end of the liquid inlet hose 221, so that the fluorine pump 300 is not restricted by the pipeline. For fluorine pumps with different shapes, interface positions, pipe diameters, etc., there is no need to change or weld the copper pipe pipeline again to connect it to the system pipeline, which greatly reduces time and economic costs. The liquid inlet hose 221 is connected to the first liquid inlet valve 222. When replacing the fluorine pump 300, close the first liquid inlet valve 222 to prevent the system refrigerant from leaking when replacing the fluorine pump 300.

[0028] As a preferred embodiment, please refer to Figure 1The liquid inlet pipeline 220 also includes a first pressure sensor 226 and a first temperature sensor 227. The first pressure sensor 226 is connected to the inlet end of the first liquid inlet valve 222 to monitor the pressure of the liquid refrigerant output by the fluorine pump 300 and collect the pressure data of the liquid refrigerant output by the fluorine pump 300. The first temperature sensor 227 is connected to the inlet end of the first liquid inlet valve 222 to monitor the temperature of the liquid refrigerant output by the fluorine pump 300 and collect the temperature data of the liquid refrigerant output by the fluorine pump 300.

[0029] As a preferred embodiment, the first liquid inlet valve 222 is a second ball valve, and the second liquid inlet valve 224 is a second electric control valve, and the second electric control valve can be used to achieve intelligent control of the on-off of the liquid inlet pipeline 220.

[0030] As a preferred embodiment, please refer to Figure 1 and Figure 2 The fluorine pump performance testing device also includes a filter unit 400. The inlet end of the filter unit 400 is detachably connected to the outlet end of the liquid storage tank 100, and the inlet end of the fluorine pump 300 is detachably connected to the outlet end of the filter unit 400. The filter unit 400 is used to filter the liquid refrigerant passing through, remove impurities in the liquid refrigerant, and protect the equipment in the system from damage.

[0031] As a preferred embodiment, please refer to Figure 1 and Figure 2 The filter unit 400 includes a first liquid outlet valve 410, a filter 420, a second liquid outlet valve 430, a second sight glass 440, a third liquid outlet valve 450 and a liquid outlet hose 460, which are connected in sequence. The inlet end of the first liquid outlet valve 410 is detachably connected to the outlet end of the liquid storage tank 100 via a pipeline, and the inlet end of the fluorine pump 300 is detachably connected to the outlet end of the liquid outlet hose 460, so that the fluorine pump 300 is not restricted by the pipeline. For fluorine pumps with different shapes, interface positions, and pipe diameters, there is no need to change or weld copper pipes again to connect them to the system pipeline, which greatly reduces time and economic costs. The first liquid outlet valve 410 and the second liquid outlet valve 430 are set at both ends of the filter 420 to facilitate replacement of the filter 420. The liquid outlet hose 460 is connected to the third liquid inlet valve. When replacing the fluorine pump 300, the third liquid inlet valve is closed to prevent leakage of system refrigerant when replacing the fluorine pump 300.

[0032] As a preferred embodiment, please refer to Figure 1 and Figure 2The filter unit 400 also includes a fourth liquid outlet valve 470, the inlet end of the fourth liquid outlet valve 470 is detachably connected to the outlet end of the liquid storage tank 100 via a pipeline, and the outlet end of the fourth liquid outlet valve 470 is connected to the pipeline between the second liquid outlet valve 430 and the second sight glass 440 via a pipeline, and a branch is provided so that the system can use the filter 420 when it is needed, and can also use it when it is not needed.

[0033] As a preferred embodiment, please refer to Figure 1 The filter unit 400 also includes a second pressure sensor 480 and a second temperature sensor 490. The second pressure sensor 480 is connected to the outlet end of the third liquid outlet valve 450 to monitor the pressure of the liquid refrigerant before entering the fluorine pump 300 and collect the pressure data of the liquid refrigerant before entering the fluorine pump 300. The second temperature sensor 490 is connected to the outlet end of the third liquid outlet valve 450 to monitor the temperature of the liquid refrigerant before entering the fluorine pump 300 and collect the temperature data of the liquid refrigerant before entering the fluorine pump 300.

[0034] As a preferred embodiment, the first liquid outlet valve 410 is a third ball valve, the second liquid outlet valve 430 is a fourth ball valve, the third liquid outlet valve 450 is a fifth ball valve, and the fourth liquid outlet valve 470 is a sixth ball valve.

[0035] As a preferred embodiment, please refer to Figure 1 and Figure 2 The fluorine pump performance testing device also includes a heat exchanger 500. The outlet end of the heat exchanger 500 is connected to the return end of the liquid storage tank 100, and the outlet end of the return liquid pipeline 230 is connected to the inlet end of the heat exchanger 500. The heat exchanger 500 is used to convert the liquid refrigerant passing through into a gaseous refrigerant, which can simulate the performance of the fluorine pump 300 in an actual use environment, and the test results are true and reliable.

[0036] As a preferred embodiment, the fluorine pump performance testing device further includes a controller, which is electrically connected to each of the first electric control valves, each of the flow meters 212, the second electric control valves, the first pressure sensor 226, the first temperature sensor 227, the second pressure sensor 480 and the second temperature sensor 490, and is used to control the opening and closing degrees of each of the first electric control valves and the second electric control valves, and is also used to collect the information of each of the flow meters 212, the first pressure sensor 226, the first temperature sensor 227, the second pressure sensor 480 and the second temperature sensor When testing the limit performance of the fluorine pump 300, the detection data of the device 490 can be used to pre-set the warning value in the control circuit, and a prompt will be given when it is approaching. After reaching the limit, the operation of the fluorine pump 300 will be stopped. If manpower is used to control the regulating valve and record the data information of the system, it will be time-consuming and labor-intensive. Long-term uninterrupted testing is difficult to achieve, and some key information is easy to be overlooked, resulting in data loss. The entire system uses sensors to record data, and records the data at every moment more accurately to make the data meaningful. At the same time, an electric ball valve is used as a control valve, so that the system can understand the status of each place according to the sensor and realize self-adjustment. PID is used as the control circuit to regulate the system pipeline.

[0037] In order to better understand the present invention, the following Figure 1 - Figure 2 The working principle of the technical solution of the utility model is described in detail:

[0038] During the test, the inlet end of the fluorine pump 300 is detachably connected to the outlet end of the liquid outlet hose 460, and the outlet end of the fluorine pump 300 is detachably connected to the inlet end of the liquid inlet hose 221. According to the flow parameter information on the nameplate of the fluorine pump 300, the appropriate test passage 210 is selected, the front valve 211 and the rear valve 213 on the selected test passage 210 are opened, and the selected test passage 210 is in a conducting state. The front valve 211 and the rear valve 213 on the unselected test passage 210 are closed, and the unselected test passage 210 is in a cut-off state. The fluorine pump 300 is turned on, and the liquid refrigerant in the liquid storage tank 100 flows through the liquid storage tank 100. The filter 420 filters the liquid refrigerant passing through, removes impurities in the liquid refrigerant, and protects the equipment in the system from damage. The liquid refrigerant then flows through the liquid outlet hose 460 and the fluorine pump 300. The liquid refrigerant then flows into the heat exchanger 500 along the selected test passage 210, and then flows back to the liquid storage tank 100. During the process of the liquid refrigerant flowing through the selected test passage 210, the flow meter 212 can measure the flow rate of the liquid refrigerant, and then judge the performance of the fluorine pump 300 based on the measured flow data. This fluorine pump performance testing device is suitable for testing the performance of fluorine pumps, and can perform channel performance testing on fluorine pumps with different flow rates, and has strong versatility.

[0039] The fluorine pump performance testing device provided by the utility model has the following beneficial effects:

[0040] (1) The filter 420 filters the liquid refrigerant passing through, removes impurities in the liquid refrigerant, and protects the equipment in the system from damage;

[0041] (2) The outlet end of the fluorine pump 300 is detachably connected to the inlet end of the liquid inlet hose 221, and the inlet end of the fluorine pump 300 is detachably connected to the outlet end of the liquid outlet hose 460, so that the fluorine pump 300 is not restricted by pipelines. For fluorine pumps with different shapes, interface positions, pipe diameters, etc., there is no need to change or weld copper pipes again to connect them to the system pipeline, which greatly reduces time and economic costs;

[0042] (3) This fluorine pump performance test device is suitable for testing the performance of fluorine pumps. It can perform channel performance tests on fluorine pumps with different flow rates and has strong versatility.

[0043] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A fluorine pump performance testing device, characterized in that: include: A liquid storage tank, which is used to contain liquid refrigerant; A test unit comprising at least two test passages, a liquid inlet line, and a liquid return line, wherein the test passage comprises a front valve, a flow meter, and a rear valve connected in sequence, wherein the flow meters have different measuring ranges, wherein each outlet end of the liquid inlet line is connected in a one-to-one correspondence with each inlet end of the front valve, each inlet end of the liquid return line is connected in a one-to-one correspondence with each outlet end of the rear valve, and the outlet end of the liquid return line is connected to the return port end of the liquid storage tank; The fluorine pump has an inlet end detachably connected to the outlet end of the liquid storage tank, and an outlet end detachably connected to the inlet end of the liquid inlet pipeline.

2. The fluorine pump performance testing device according to claim 1, characterized in that: The front valve is a first electric control valve, and the rear valve is a first ball valve.

3. The fluorine pump performance testing device according to claim 1, characterized in that: The liquid inlet pipeline includes a liquid inlet hose, a first liquid inlet valve, a first sight glass, a second liquid inlet valve and a connecting pipe. The liquid inlet hose, the first liquid inlet valve, the first sight glass and the second liquid inlet valve are connected in sequence. The inlet end of the connecting pipe is connected to the outlet end of the second liquid inlet valve. Each outlet end of the connecting pipe is connected to the inlet end of each front valve in a one-to-one correspondence. The outlet end of the fluorine pump is detachably connected to the inlet end of the liquid inlet hose.

4. The fluorine pump performance testing device according to claim 3, characterized in that: The liquid inlet pipeline also includes a first pressure sensor and a first temperature sensor. The first pressure sensor is connected to the inlet end of the first liquid inlet valve to monitor the pressure of the liquid refrigerant output by the fluorine pump. The first temperature sensor is connected to the inlet end of the first liquid inlet valve to monitor the temperature of the liquid refrigerant output by the fluorine pump.

5. The fluorine pump performance testing device according to claim 3, characterized in that: The first liquid inlet valve is a second ball valve, and the second liquid inlet valve is a second electric control valve.

6. The fluorine pump performance testing device according to claim 1, characterized in that: It also includes a filter unit, the inlet end of the filter unit is detachably connected to the outlet end of the liquid storage tank, the inlet end of the fluorine pump is detachably connected to the outlet end of the filter unit, and the filter unit is used to filter the liquid refrigerant passing through.

7. The fluorine pump performance testing device according to claim 6, characterized in that: The filtration unit includes a first liquid outlet valve, a filter, a second liquid outlet valve, a second sight glass, a third liquid outlet valve and a liquid outlet hose which are connected in sequence. The inlet end of the first liquid outlet valve is detachably connected to the outlet end of the liquid storage tank via a pipeline, and the inlet end of the fluorine pump is detachably connected to the outlet end of the liquid outlet hose.

8. The fluorine pump performance testing device according to claim 7, characterized in that: The filter unit also includes a fourth liquid outlet valve, the inlet end of the fourth liquid outlet valve is detachably connected to the outlet end of the liquid storage tank via a pipeline, and the outlet end of the fourth liquid outlet valve is connected to the pipeline between the second liquid outlet valve and the second sight glass via a pipeline.

9. The fluorine pump performance testing device according to claim 7, characterized in that: The filtration unit also includes a second pressure sensor and a second temperature sensor. The second pressure sensor is connected to the outlet end of the third liquid outlet valve to monitor the pressure of the liquid refrigerant before entering the fluorine pump. The second temperature sensor is connected to the outlet end of the third liquid outlet valve to monitor the temperature of the liquid refrigerant before entering the fluorine pump.

10. The fluorine pump performance testing device according to claim 1, characterized in that: It also includes a heat exchanger, the outlet end of the heat exchanger is connected to the return end of the liquid storage tank, the outlet end of the return liquid pipeline is connected to the inlet end of the heat exchanger, and the heat exchanger is used to convert the liquid refrigerant passing through into gaseous refrigerant.

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