Flow resistance measuring system of fluid device

Abstract

The utility model relates to the technical field of fluid devices, and particularly provides a flow resistance measuring system of a fluid device. The flow resistance measuring system comprises a water tank, a three-way valve, an inlet pressure sensor, a to-be-measured device bearing part, an outlet pressure sensor, a flow meter and a water pump, the to-be-measured device bearing part is provided with a passive fluid device bearing area and a dynamic fluid device bearing area, and a water outlet of the water tank is connected with a water inlet of the three-way valve. A first water outlet of the three-way valve is connected with a water inlet of a to-be-tested device bearing part through a first pipeline, a second water outlet of the three-way valve is connected with a water inlet of a water pump, a water outlet of the water pump is connected with the first pipeline through a second pipeline, and a water outlet of the to-be-tested device bearing part is connected with a water inlet of a water tank through a third pipeline. And the outlet pressure sensor and the flow meter are arranged on the third pipeline. Therefore, by adopting the flow resistance measuring system, the flow resistance of a passive fluid device can be measured, and the flow resistance of a dynamic fluid device can also be measured.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid device technical field, concretely relates to fluid device's flow resistance measurement system. BACKGROUND

[0002] In the battery system such as fuel cell, lithium ion battery that need to carry out energy management, usually need to utilize fluid device to control the flow of cooling water, wherein, this fluid device can include water pump, flow resistance ware etc. The flow resistance of fluid device is an important parameter that needs to be considered in the process of controlling flow, therefore needs to measure the flow resistance of fluid device.

[0003] A kind of flow resistance measurement test system is disclosed in patent CN212513605U, can be used to measure the flow resistance of valve, filter, flowmeter, orifice plate, venturi etc. However, the type of fluid device is various, such as generally can be divided into passive fluid device and active fluid device, wherein, the passive fluid device specifically refers to itself cannot provide the power to drive fluid motion, and needs to be provided by other devices, the active fluid device specifically refers to itself can provide the power to drive fluid motion, but the technical scheme disclosed in the patent, mainly is used to measure the flow resistance of passive fluid device, therefore need to provide the solution that both can measure the flow resistance of passive fluid device, and can measure the flow resistance of active fluid device. UTILITY MODEL CONTENT

[0004] In view of the defects in the prior art, the purpose of the utility model is to provide a kind of fluid device's flow resistance measurement system, to solve the technical problems in related art to some extent.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] The embodiment of the application provides a kind of fluid device's flow resistance measurement system, including: water tank, three-way valve, import pressure sensor, device to be measured bearing part, export pressure sensor, flowmeter and water pump, wherein:

[0007] The device to be measured bearing part is equipped with passive fluid device bearing area and power fluid device bearing area;

[0008] The water outlet of the water tank is connected to the water inlet of the three-way valve;

[0009] The first water outlet of the three-way valve is connected to the water inlet of the device to be measured bearing part by first pipeline;

[0010] The second water outlet of the three-way valve is connected to the water inlet of the water pump, and the water outlet of the water pump is connected to the first pipeline by second pipeline;

[0011] The water outlet of the device under test bearing part is connected with the water inlet of the water tank through a third pipeline.

[0012] The outlet pressure sensor and the flow meter are arranged in the third pipeline.

[0013] Preferably, the bottom or the sidewall close to the bottom of the water tank is connected with a water filling and discharging pipe.

[0014] The water filling and discharging pipe is provided with a second valve.

[0015] Preferably, the water tank is provided with a liquid level meter and a temperature sensor.

[0016] Preferably, a filter is arranged between the water outlet of the water tank and the water inlet of the three-way valve.

[0017] Preferably, the third pipeline is further provided with a flow control valve.

[0018] Preferably, the outlet pressure sensor is arranged in the third pipeline, close to the water outlet of the device under test bearing part.

[0019] Preferably, a device under test installation position detector is further arranged in the device under test bearing part, for detecting whether the device under test is installed in the passive fluid device bearing area or the powered fluid device bearing area.

[0020] The flow resistance measuring system further comprises a remote controller for switching and controlling the first water outlet and the second water outlet of the three-way valve according to the detection result of the device under test installation position detector.

[0021] Preferably, the passive fluid device bearing area is connected with the water inlet of the device under test bearing part through a first water inlet pipeline.

[0022] The passive fluid device bearing area is connected with the water outlet of the device under test bearing part through a first water outlet pipeline.

[0023] The powered fluid device bearing area is connected with the water inlet of the device under test bearing part through a second water inlet pipeline.

[0024] The powered fluid device bearing area is connected with the water outlet of the device under test bearing part through a second water outlet pipeline.

[0025] Preferably, the water inlets and the water outlets of the passive fluid device bearing area and the powered fluid device bearing area are respectively provided with blocking plates.

[0026] Compared with the prior art, the technical scheme has the advantages that:

[0027] The flow resistance measuring system provided by the embodiment of the application comprises a water tank, a three-way valve, an inlet pressure sensor, a device under test bearing part, an outlet pressure sensor, a flow meter and a water pump. The device under test bearing part is provided with a passive fluid device bearing area and a powered fluid device bearing area. The water outlet of the water tank is connected to the water inlet of the three-way valve. The first water outlet of the three-way valve is connected to the water inlet of the device under test bearing part through a first pipeline. The second water outlet of the three-way valve is connected to the water inlet of the water pump. The water outlet of the water pump is connected to the first pipeline through a second pipeline. The water outlet of the device under test bearing part is connected to the water inlet of the water tank, the outlet pressure sensor and the flow meter through a third pipeline.

[0028] Therefore, when the flow resistance of the powered fluid device is measured, the powered fluid device is arranged in the powered fluid device bearing area of the device under test bearing part, and the first water outlet of the three-way valve is opened and the second water outlet of the three-way valve is closed. In this way, the powered fluid device provides power to drive the circulating flow of water. The inlet pressure sensor and the outlet pressure sensor collect the pressure at the water inlet and the pressure at the water outlet of the device under test bearing part, respectively. The flow meter collects the flow rate. Therefore, the flow resistance of the powered fluid device can be measured. When the flow resistance of the passive fluid device is measured, the powered fluid device is arranged in the passive fluid device bearing area of the device under test bearing part, and the second water outlet of the three-way valve is opened and the first water outlet of the three-way valve is closed. In this way, the water pump provides power to drive the circulating flow of water. The inlet pressure sensor and the outlet pressure sensor collect the pressure at the water inlet and the pressure at the water outlet of the device under test bearing part, respectively. The flow meter collects the flow rate. Therefore, the flow resistance of the passive fluid device can be measured. Therefore, the flow resistance measuring system can measure the flow resistance of both the passive fluid device and the powered fluid device, thereby solving the problems in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The specific structure diagram of the flow resistance measuring system of the fluid device provided by the application is shown in the figure.

[0030] Figure 2 The specific structure diagram of the device under test bearing part in the flow resistance measuring system of the fluid device provided by the application is shown in the figure.

[0031] In the above schematic diagram: 1 - water tank; 2 - three-way valve; 21 - first pipeline; 22 - second pipeline; 23 - third pipeline; 3 - inlet pressure sensor; 4 - device to be measured bearing part; 41 - passive fluid device bearing area; 411 - first water inlet pipe; 412 - first water outlet pipe; 42 - active fluid device bearing area; 421 - second water inlet pipe; 422 - second water outlet pipe; 43 - blocking plate; 5 - outlet pressure sensor; 6 - flow meter; 7 - valve; 8 - second valve; 9 - temperature sensor; 10 - filter; 11 - water pump. DETAILED DESCRIPTION

[0032] The embodiments of the present application will be further described in conjunction with the accompanying drawings.

[0033] Exemplary embodiments will be described in detail herein below with reference to the drawings.

[0034] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0035] As described previously, in the technical solution disclosed in the patent CN212513605U, the flow resistance measurement is mainly performed on valves, filters, flow meters, throttle orifice plates, Venturi tubes, etc. A solution is needed that can measure the flow resistance of both passive fluid devices and active fluid devices.

[0036] Based on this, the embodiment of the present application provides a flow resistance measuring system of a fluid device, such as Figure 1 As shown in the specific structural schematic diagram of the flow resistance measuring system, the flow resistance measuring system comprises a water tank 1, a three-way valve 2, an inlet pressure sensor 3, a device-to-be-tested bearing part 4, an outlet pressure sensor 5, a flow meter 6 and a valve 7.

[0037] The water tank 1 is used to contain water needed for flow resistance measurement. The water outlet of the water tank 1 is connected to the water inlet of the three-way valve 2, so that water can flow out of the water outlet of the water tank 1 and flow into the three-way valve 2 from the water inlet of the three-way valve 2.

[0038] In order to facilitate water filling or discharging of the water tank 1, the bottom or the side wall close to the bottom of the water tank 1 can be connected to a water filling and discharging pipe, so that water can be introduced or discharged through the water filling and discharging pipe. Of course, in order to control the water flow of the water filling and discharging pipe, the water filling and discharging pipe can be provided with a second valve 8. At this time, the water flow in the water filling and discharging pipe can be controlled by opening, closing or controlling the opening degree.

[0039] In addition, in order to facilitate timely knowing the water level in the water tank 1, a liquid level meter can also be arranged in the water tank 1, so as to facilitate observing the water level in the water tank 1 through the liquid level meter. Of course, since the flow resistance of water also has certain correlation with water temperature, a temperature sensor 9 can also be further arranged in the water tank 1, so as to measure the water temperature of the water in the water tank 1 through the temperature sensor 9.

[0040] The water tank 1 is provided with a water outlet and a water inlet. In the process of flow resistance measurement, water flows out of the water outlet of the water tank 1, and then flows into the water tank from the water inlet of the water tank 1 after circulation. The water outlet of the water tank 1 is connected to the water inlet of the three-way valve 2, so that in the process of measuring flow resistance, water flows into the three-way valve 2 from the water outlet of the water tank 1 and the water inlet of the three-way valve 2.

[0041] The three-way valve 2 comprises a water inlet, a first water outlet and a second water outlet. The first water outlet is connected to the water inlet of the device-to-be-tested bearing part 4 through a first pipeline 21. The second water outlet of the three-way valve 2 is connected to the water inlet of a water pump 11, and the water outlet of the water pump 11 is connected to the first pipeline 21 through a second pipeline 22.

[0042] It needs to be emphasized that the device-to-be-tested bearing part 4 is provided with a passive fluid device bearing area 41 and a powered fluid device bearing area 42. The passive fluid device bearing area 41 can be used to bear passive fluid devices, including valves, filters, flow meters, throttle orifice plates, Venturi tubes and the like which need to be measured for flow resistance. The powered fluid device bearing area 42 can be used to bear powered fluid devices, including water pumps (referred to as water pumps to be tested) which need to be measured for flow resistance.

[0043] Thus, in the process of measuring flow resistance, if the fluid device to be measured is a powered fluid device (such as the water pump to be measured), the powered fluid device can be arranged in the powered fluid device carrying area 42 in the device carrying part 4 to be measured, and the second water outlet of the three-way valve 2 is controlled to be closed and the first water outlet of the three-way valve 2 is controlled to be opened. At this time, water flows from the water tank 1 into the three-way valve 2, and then flows out from the first water outlet of the three-way valve 2, and then flows into the powered fluid device carrying area 42 in the device carrying part 4 to be measured, thereby realizing the flow resistance measurement of the powered fluid device.

[0044] Of course, if the fluid device to be measured is a passive fluid device, the passive fluid device can be arranged in the passive fluid device carrying area 41 in the device carrying part 4 to be measured, and the first water outlet of the three-way valve 2 is controlled to be closed and the second water outlet of the three-way valve 2 is controlled to be opened. At this time, the water pump 11 can provide power to make water flow from the water tank 1 into the three-way valve 2, and then flow out from the second water outlet of the three-way valve 2, and then flow through the water pump 11 and then flow back to the first pipeline 21 through the second pipeline 22, and then flow into the passive fluid device carrying area 41 in the device carrying part 4 to be measured, thereby realizing the flow resistance measurement of the passive fluid device.

[0045] In addition, in order to be able to measure the flow resistance, an inlet pressure sensor 3 can also be arranged in the first pipeline 21. The inlet pressure sensor 3 can be arranged between the connection between the first pipeline 21 and the second pipeline 22 and the water inlet of the device carrying part 4 to be measured, and in particular, the inlet pressure sensor can be arranged close to the water inlet of the device carrying part 4 to be measured, so as to more accurately measure the pressure of the water inlet of the device carrying part 4 to be measured.

[0046] The water outlet of the device carrying part 4 to be measured is connected to the water inlet of the water tank 1 through the third pipeline 23, so that water can flow back into the water tank 1 through the third pipeline 23 after flowing through the device carrying part 4 to be measured, thereby realizing the recycling of water.

[0047] The outlet pressure sensor 5 and the flow meter 6 can be arranged in the third pipeline 23. Of course, in order to more accurately measure the pressure at the water outlet of the device carrying part 4 to be measured, the outlet pressure sensor 5 can be arranged in the third pipeline 23 close to the water outlet of the device carrying part 4 to be measured.

[0048] In addition, in order to facilitate the control of the flow of water in the third pipeline 23, a flow control valve 7 can also be arranged in the third pipeline 23, so as to control the flow of water in the third pipeline 23 by controlling the opening of the flow control valve 7.

[0049] The flow resistance measuring system provided by the embodiment of the application comprises a water tank 1, a three-way valve 2, an inlet pressure sensor 3, a device-to-be-tested bearing part 4, an outlet pressure sensor 5, a flow meter 6 and a water pump 11. The device-to-be-tested bearing part 4 is provided with a passive fluid device bearing area 41 and a powered fluid device bearing area 42. The water outlet of the water tank 1 is connected to the water inlet of the three-way valve 2. The first water outlet of the three-way valve 2 is connected to the water inlet of the device-to-be-tested bearing part 4 through a first pipeline 21. The second water outlet of the three-way valve 2 is connected to the water inlet of the water pump 11. The water outlet of the water pump 11 is connected to the first pipeline 21 through a second pipeline 22. The water outlet of the device-to-be-tested bearing part 4 is connected to the water inlet of the water tank 1 through a third pipeline 23. The outlet pressure sensor 5 and the flow meter 6 are arranged on the third pipeline 23.

[0050] Therefore, when the flow resistance of the powered fluid device is measured, the powered fluid device is arranged in the powered fluid device bearing area 42 of the device-to-be-tested bearing part 4, and the first water outlet of the three-way valve 2 is opened and the second water outlet of the three-way valve 2 is closed. In this way, the circulation of water is driven by the powered fluid device, and the pressure at the water inlet and the pressure at the water outlet of the device-to-be-tested bearing part 4 are collected by the inlet pressure sensor 3 and the outlet pressure sensor 5 respectively, and the flow is collected by the flow meter 6. Thus, the flow resistance of the powered fluid device can be measured. When the flow resistance of the passive fluid device is measured, the powered fluid device is arranged in the passive fluid device bearing area 41 of the device-to-be-tested bearing part 4, and the second water outlet of the three-way valve 2 is opened and the first water outlet of the three-way valve 2 is closed. In this way, the circulation of water is driven by the water pump 11, and the pressure at the water inlet and the pressure at the water outlet of the device-to-be-tested bearing part 4 are collected by the inlet pressure sensor 3 and the outlet pressure sensor 5 respectively, and the flow is collected by the flow meter 6. Thus, the flow resistance of the passive fluid device can be measured. Therefore, the flow resistance measuring system provided by the embodiment of the application can measure the flow resistance of both the passive fluid device and the powered fluid device, thus solving the problems in the prior art.

[0051] In addition, impurity particles may exist in the water in the water tank 1. In order to reduce the influence of the impurity particles on the accuracy of the measurement results, a filter 10 can be arranged between the water outlet of the water tank 1 and the water inlet of the three-way valve 2. Thus, the water flowing into the three-way valve 2 is filtered by the filter.

[0052] It needs to be further explained that in order to facilitate remote control, a device under test mounting position detector can also be arranged in the device under test carrying part 4, so that the device under test mounting position detector can detect whether the device under test is mounted in the passive fluid device carrying area 41 or the powered fluid device carrying area 42. In actual application, the device under test mounting position detector can be a pressure sensor, when the device under test is a passive fluid device, the passive fluid device needs to be mounted in the passive fluid device carrying area 41, and correspondingly, the pressure sensor can detect the extrusion pressure of the passive fluid device carrying area 41, so as to determine that the device under test is mounted in the passive fluid device carrying area 41; on the contrary, when the device under test is a powered fluid device, the powered fluid device needs to be mounted in the powered fluid device carrying area 42, and correspondingly, the pressure sensor can detect the extrusion pressure of the powered fluid device carrying area 42, so as to determine that the device under test is mounted in the powered fluid device carrying area 42. Wherein, the device under test is a fluid device which needs to be measured for flow resistance, and the type of the device under test can be a passive fluid device or a powered fluid device.

[0053] Correspondingly, the flow resistance measuring system can also include a remote controller, which can switch control the first water outlet and the second water outlet of the three-way valve 2 according to the detection result of the device under test mounting position detector, such as if the detection result of the device under test mounting position detector is that it is mounted in the passive fluid device carrying area 41, at this time it indicates that the device under test is a passive fluid device, therefore the remote controller controls to open the second water outlet and close the first water outlet; if the detection result of the device under test mounting position detector is that it is mounted in the powered fluid device carrying area 42, at this time it indicates that the device under test is a powered fluid device, therefore the remote controller controls to open the first water outlet and close the second water outlet, so as to realize remote control and facilitate the measurement of the flow resistance of the device under test.

[0054] In the embodiment of the application, the internal structure of the device under test carrying part 4 has an important influence on the test result, such as Figure 2 As shown in the specific structure diagram of the device under test carrying part 4, the passive fluid device carrying area 41 and the powered fluid device carrying area 42 are arranged therein and connected to the water inlet of the device under test carrying part 4 through corresponding pipelines, such as the passive fluid device carrying area 41 is connected to the water inlet of the device under test carrying part 4 through the first water inlet pipeline 411, so that when the flow resistance of the passive fluid device is measured, water can flow into the passive fluid device in the passive fluid device carrying area 41 through the first water inlet pipeline 411, and of course in order to realize the circulation of water, the passive fluid device carrying area 41 is also connected to the water outlet of the device under test carrying part 4 through the first water outlet pipeline 412, so as to facilitate the outflow of water.

[0055] The two ends of the first water inlet pipe 411 are connected to the water inlet of the device under test carrying part 4 and the water inlet of the passive fluid device carrying area 41 respectively, so that water can be introduced into the passive fluid device carrying area 41. The two ends of the first water outlet pipe 412 are connected to the water outlet of the device under test carrying part 4 and the water outlet of the passive fluid device carrying area 41 respectively, so that water can be discharged.

[0056] Similarly, the powered fluid device carrying area 42 is connected to the water inlet of the device under test carrying part 4 through the second water inlet pipe 421, so that when the flow resistance of the powered fluid device is measured, water can flow into the powered fluid device in the powered fluid device carrying area 42 through the second water inlet pipe 421. Of course, in order to realize the circulation of water, the powered fluid device carrying area 42 is also connected to the water outlet of the device under test carrying part 4 through the second water outlet pipe 422, so as to facilitate the outflow of water.

[0057] The two ends of the second water inlet pipe 421 are connected to the water inlet of the device under test carrying part 4 and the water inlet of the powered fluid device carrying area 42 respectively, so that water can be introduced into the powered fluid device carrying area 42. The two ends of the second water outlet pipe 422 are connected to the water outlet of the device under test carrying part 4 and the water outlet of the powered fluid device carrying area 42 respectively, so that water can be discharged.

[0058] It should be particularly pointed out that when the flow resistance of the passive fluid device and the powered fluid device is measured respectively, in order to prevent water from flowing, for example, when the flow resistance of the passive fluid device is measured, water needs to be prevented from flowing into the powered fluid device carrying area 42. Similarly, when the flow resistance of the powered fluid device is measured, water needs to be prevented from flowing into the passive fluid device carrying area 41. Therefore, a blocking plate 43 can be arranged at the water inlet and water outlet of the passive fluid device carrying area 41 respectively. When the flow resistance of the powered fluid device in the powered fluid device carrying area 42 is measured, the blocking plates 43 at the water inlet and water outlet of the passive fluid device carrying area 41 can be closed, so as to prevent water from flowing into the passive fluid device carrying area 41.

[0059] In addition, a blocking plate 43 can also be arranged at the water inlet and water outlet of the powered fluid device carrying area 42 respectively. When the flow resistance of the passive fluid device in the passive fluid device carrying area 41 is measured, the blocking plates 43 at the water inlet and water outlet of the powered fluid device carrying area 42 can be closed, so as to prevent water from flowing into the powered fluid device carrying area 42.

[0060] Of course, when the flow resistance of the powered fluid device in the powered fluid device carrying area 42 is measured, the water inlet and outlet plugs 43 of the powered fluid device carrying area 42 are opened at the same time that the water inlet and outlet plugs 43 of the passive fluid device carrying area 41 are closed, so that water flows into the powered fluid device carrying area 42; when the flow resistance of the passive fluid device in the passive fluid device carrying area 41 is measured, the water inlet and outlet plugs 43 of the passive fluid device carrying area 41 are opened at the same time that the water inlet and outlet plugs 43 of the powered fluid device carrying area 42 are closed, so that water flows into the passive fluid device carrying area 41.

[0061] The utility model is not limited to the above-mentioned implementation, for ordinary skilled person in the art, without departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements are also regarded as the protection scope of the utility model. The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

Claims

1. A flow resistance measurement system for a fluidic device, characterized by, The flow resistance measuring system comprises a water tank (1), a three-way valve (2), an inlet pressure sensor (3), a device under test bearing part (4), an outlet pressure sensor (5), a flow meter (6) and a water pump (11), wherein: The device under test bearing part (4) is provided with a passive fluid device bearing area (41) and a powered fluid device bearing area (42); The water outlet of the water tank (1) is connected to the water inlet of the three-way valve (2); The first water outlet of the three-way valve (2) is connected to the water inlet of the device under test bearing part (4) through a first pipeline (21); The second water outlet of the three-way valve (2) is connected to the water inlet of the water pump (11), and the water outlet of the water pump (11) is connected to the first pipeline (21) through a second pipeline (22); The water outlet of the device under test bearing part (4) is connected to the water inlet of the water tank (1) through a third pipeline (23); The outlet pressure sensor (5) and the flow meter (6) are arranged on the third pipeline (23). The bottom or the side wall close to the bottom of the water tank (1) is connected to a water filling and discharging pipe; and 2. The flow resistance measurement system of claim 1, wherein, The water filling and discharging pipe is provided with a second valve (8). The water tank (1) is provided with a liquid level meter and a temperature sensor (9).

3. The flow resistance measuring system according to claim 1 or 2, characterized in that A filter (10) is arranged between the water outlet of the water tank (1) and the water inlet of the three-way valve (2).

4. The flow resistance measurement system of claim 1, wherein, The third pipeline (23) is further provided with a flow control valve (7).

5. The flow resistance measurement system of claim 1, wherein, The outlet pressure sensor (5) is arranged on the third pipeline (23) close to the water outlet of the device under test bearing part (4).

6. The flow resistance measurement system of claim 1, wherein, The device under test bearing part (4) is further provided with a device under test installation position detector for detecting whether the device under test is installed on the passive fluid device bearing area (41) or the powered fluid device bearing area (42); and 7. The flow resistance measurement system of claim 1, wherein, The flow resistance measuring system further comprises a remote controller for switching and controlling the first water outlet and the second water outlet of the three-way valve (2) according to the detection result of the device under test installation position detector.

8. The flow resistance measuring system according to claim 1, wherein: The passive fluid device bearing area (41) is connected to the water inlet of the device under test bearing part (4) through a first water inlet pipeline (411); The passive fluid device bearing area (41) is connected to the water outlet of the device under test bearing part (4) through a first water outlet pipeline (412); The powered fluid device bearing area (42) is connected to the water inlet of the device under test bearing part (4) through a second water inlet pipeline (421); The powered fluid device bearing area (42) is connected to the water outlet of the device under test bearing part (4) through a second water outlet pipeline (422).

9. The flow resistance measuring system according to claim 8, wherein: The water inlets and outlets of the passive fluid device bearing area (41) and the powered fluid device bearing area (42) are respectively provided with blocking plates (43). The inlet pressure sensor (3) is arranged close to the water inlet of the device under test bearing part (4). ​ 10. The flow resistance measurement system of claim 1, wherein, ​

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