Water flow sensor performance test bench clamp and test bench thereof

Abstract

The utility model discloses a water flow sensor performance test board clamp, including support frame, and setting in the seat body of support frame, the cavity that can be used to place water flow sensor is formed to the hollow inside of seat body, the first locating block, the second locating block of being located first locating block right side and the water inlet between first locating block and second locating block are equipped on the cavity bottom surface, the water outlet is equipped on first locating block, the included angle between water inlet and water outlet is 90 degrees, the seat body is equipped with the compression assembly that can compress water flow sensor in the cavity. Also disclose a water flow sensor performance test board simultaneously, including organism, and setting in the workstation of organism, the water flow sensor performance test board clamp is equipped on the workstation. With this is applicable to the water flow sensor of the outlet and import being at right angles to carry out the clamping fixation on the workstation, then test it.

Description

Technical Field

[0001] This utility model relates to the technical field of testing equipment, and in particular to a water flow sensor performance testing fixture and its testing platform. Background Technology

[0002] In the field of sensor testing equipment technology, water flow sensors are key components for detecting water flow conditions, and the accuracy and reliability of their performance testing directly affect the quality and application effects of subsequent products. Currently, there are pressing technical problems to be solved in the practical application of performance testing benches and fixtures for water flow sensors. For example, traditional testing fixtures typically use only a single positioning structure (simple slots or protrusions), which makes it difficult to accurately position the water flow sensor in multiple dimensions, especially for water flow sensors where the outlet and inlet are perpendicular. This leads to the sensor being prone to changes in the water flow path due to installation deviations during testing, resulting in errors in the test data and failing to accurately reflect the sensor's actual performance. Summary of the Invention

[0003] Therefore, the purpose of this utility model is to provide a clamp that can clamp a water flow sensor with the outlet and inlet at a right angle, which is convenient for testing on a test bench, and a test bench with the clamp.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: A water flow sensor performance testing fixture includes a support frame and a base mounted on the support frame. The base is hollow, forming a cavity for placing a water flow sensor. The bottom surface of the cavity is provided with a first positioning block, a second positioning block located to the right of the first positioning block, and a water inlet located between the first positioning block and the second positioning block. The first positioning block is provided with a water outlet. The angle between the water inlet and the water outlet is 90 degrees. The base is provided with a clamping component that can press the water flow sensor into the cavity.

[0005] In a preferred embodiment of the present invention, the right side wall of the first positioning block is provided with a first positioning groove for positioning the water flow sensor, and the upper side wall of the second positioning block is provided with a second positioning groove for positioning the water flow sensor; the clamping assembly includes a first clamping cylinder disposed on the right side of the base and a second clamping cylinder disposed on the upper side of the base.

[0006] In a preferred embodiment of this utility model, the seat includes a first support plate disposed on its lower side, a second support plate disposed on its right side, a third support plate disposed on its upper side, and a fourth support plate disposed on its left side. The first support plate, the second support plate, the third support plate, and the fourth support plate are joined end to end to form the cavity. The first positioning block and the second positioning block are both disposed on the first support plate. The first pressing cylinder is disposed on the second support plate, and the second pressing cylinder is disposed on the third support plate.

[0007] This utility model also discloses a water flow sensor performance test bench, including an organism and a workbench disposed on the organism, wherein the workbench is provided with the water flow sensor performance test bench fixture as described above.

[0008] In a preferred embodiment of this utility model, the machine body is provided with a water tank, the water tank is provided with a temperature sensor for detecting its water temperature, and the water tank is connected to a water inlet pipe for adding water to the water tank, a test water inlet pipe connected to the water inlet, and a test water outlet pipe connected to the water outlet.

[0009] In a preferred embodiment of this utility model, the water supply pipeline includes a water supply pipe and a first ball valve, a first water filter, and a first angle seat valve sequentially arranged on the water supply pipe.

[0010] In a preferred embodiment of this utility model, the test water inlet pipeline includes a test water inlet pipe and a second water filter, a water pump, a first pressure gauge, a pressure regulating valve, a second pressure gauge, a pressure sensor, an electromagnetic flow meter, and a second angle seat valve sequentially arranged on the test water inlet pipe.

[0011] In a preferred embodiment of this utility model, a return pipe is connected to the test water inlet pipe and located between the water pump and the first pressure gauge. The other end of the return pipe is connected to the water tank. The return pipe includes a return pipe and a second ball valve disposed on the return pipe.

[0012] In a preferred embodiment of this utility model, the test water outlet pipeline includes a test water outlet pipe and an electric regulating valve disposed on the test water outlet pipe.

[0013] In a preferred embodiment of this utility model, the machine body is provided with a drain outlet for draining water, and the water tank is provided with an overflow pipe and a drain pipe connected to the drain outlet. The overflow pipe includes an overflow pipe, and the drain pipe includes a first drain pipe, a second drain pipe connected in parallel to the first drain pipe, a third ball valve provided on the first drain pipe, and a third angle seat valve provided on the second drain pipe.

[0014] The beneficial effects of this utility model are as follows: The clamp includes a support frame and a base. A first positioning block, a second positioning block located to the right of the first positioning block, and a water inlet located between the first and second positioning blocks are provided on the bottom surface of the cavity of the base. An outlet is provided on the first positioning block, such that the angle between the inlet and outlet is 90 degrees. A clamping assembly is also provided on the base to press the water flow sensor into the cavity. This is suitable for clamping and fixing a water flow sensor whose outlet and inlet are perpendicular. The water flow sensor is placed between the first and second positioning blocks, so that the inlet of the water flow sensor is connected to the water inlet, and its outlet is connected to the water outlet. Then, the clamping assembly is used to press it down, allowing the water flow sensor to be tested. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the clamp in this utility model; Figure 2 This is a front view of the clamp in this utility model; Figure 3 This is a schematic diagram of the test stand in this utility model; Figure 4 This is a schematic diagram of the pipeline connected to the water tank in this utility model. Detailed Implementation

[0016] The technical solutions in the embodiments of this utility model will now be clearly and completely described in conjunction with the accompanying drawings.

[0017] Reference Figure 1 and Figure 2 A water flow sensor performance testing fixture includes a support frame 1 for fixing on a workbench and a base 2 mounted on the support frame 1. The base 2 is hollow, forming a cavity 21 for placing a water flow sensor. The bottom surface of the cavity 21 has a first positioning block 22, a second positioning block 23 located to the right of the first positioning block 22, and a water inlet 24 located between the first and second positioning blocks 22 and 23. The first positioning block 22 has an outlet 25. The angle between the inlet 24 and the outlet 25 is 90 degrees. The base 2 has a clamping assembly 26 for pressing the water flow sensor into the cavity 21. This fixture is suitable for clamping and fixing water flow sensors with their inlet and outlet perpendicular to each other. The water flow sensor is placed between the first positioning block 22 and the second positioning block 23, so that the inlet of the water flow sensor is connected to the inlet 24 and its outlet is connected to the outlet 25. The clamping assembly 26 then presses the sensor in place, allowing for testing of the water flow sensor.

[0018] In this design, the right side wall of the first positioning block 22 is provided with a first positioning groove 221 for positioning the water flow sensor, and the upper side wall of the second positioning block 23 is provided with a second positioning groove 231 for positioning the water flow sensor. The clamping assembly 26 includes a first clamping cylinder 261 disposed on the right side of the base 2 and a second clamping cylinder 262 disposed on the upper side of the base 2. The first positioning groove 221 and the second positioning groove 231 not only facilitate the positioning of the water flow sensor, but also, by cooperating with the first clamping cylinder 261 and the second clamping cylinder 262, can firmly clamp the water flow sensor into the cavity 21.

[0019] In this solution, the seat 2 includes a first support plate 201 disposed on its lower side, a second support plate 202 disposed on its right side, a third support plate 203 disposed on its upper side, and a fourth support plate 204 disposed on its left side. The first support plate 201, the second support plate 202, the third support plate 203 and the fourth support plate 204 are spliced ​​end to end to form a cavity 21. The first positioning block 22 and the second positioning block 23 are both disposed on the first support plate 201. The first pressing cylinder 261 is disposed on the second support plate 202 and the second pressing cylinder 262 is disposed on the third support plate 203.

[0020] Reference Figure 3 and Figure 4 This utility model also discloses a water flow sensor performance testing platform, including a body 3, a worktable mounted on the body 3, and an opening and closing door mounted on the body 3 that can cover the worktable. The worktable is equipped with the water flow sensor performance testing platform fixture described above. Furthermore, a water tank 4 is provided inside the body 3, and a temperature sensor 41 is provided on the water tank 4 for detecting its water temperature. By monitoring the water temperature in real time through the temperature sensor 41, the test can be ensured to be conducted within a specified temperature range, thereby meeting the performance testing requirements of the water flow sensor. The water tank 4 is connected to a water supply pipe 5 for adding water to the water tank 4, a test water inlet pipe 6 connected to the water inlet 24, and a test water outlet pipe 7 connected to the water outlet 25.

[0021] In this design, the water supply pipeline 5 includes a water supply pipe 51, and a first ball valve 52, a first water filter 53, and a first angle seat valve 54 sequentially arranged on the water supply pipe 51. The first ball valve 52 controls the on / off state of the water supply circuit, allowing operators to easily turn the water supply function on or off as needed. The first water filter 53 filters impurities from the water, preventing them from entering the water tank 4 and the test pipeline.

[0022] In this design, the test inlet pipeline 6 includes a test inlet pipe 61, and sequentially mounted on the test inlet pipe 61 are a second water filter 62, a water pump 63, a first pressure gauge 64, a pressure regulating valve 65, a second pressure gauge 66, a pressure sensor 67, an electromagnetic flow meter 68, and a second angle seat valve 69. The second water filter 62 further filters the test water, ensuring the water entering the sensor is clean and preventing impurities from affecting the test results and sensor performance. The first pressure gauge 64 and the second pressure gauge 66 are used to monitor the outlet pressure of the water pump 63 and the pressure after the pressure regulating valve 65, respectively, allowing operators to monitor the pipeline pressure status in real time. Combined with the pressure regulating valve 65, the test pressure can be precisely adjusted to ensure the accuracy and stability of the test pressure. The pressure sensor 67 and the electromagnetic flow meter 68 can collect pressure and flow data in real time during the test.

[0023] In this design, a return pipe 8 is connected to the test inlet pipe 61 between the water pump 63 and the first pressure gauge 64. The other end of the return pipe 8 is connected to the water tank 4. The return pipe 8 includes a return pipe 81 and a second ball valve 82 mounted on the return pipe 81. This is used to regulate the pipe pressure and flow rate. The second ball valve controls the return flow rate, preventing damage to the system due to excessive pressure.

[0024] In this solution, the test water outlet pipeline 7 includes a test water outlet pipe 71 and an electrically adjustable valve 72 installed on the test water outlet pipe 71. The electrically adjustable valve 72 ensures the stability of the water flow state during the test, thereby making the performance test data of the water flow sensor more accurate and reliable. It also enables water recycling, saving water resources.

[0025] In this design, the body 3 is provided with a drain outlet 31 for drainage, and the water tank 4 is provided with an overflow pipe 10 and a drainage pipe 9 connected to the drain outlet 31. The overflow pipe 10 includes an overflow pipe 101, and the drainage pipe 9 includes a first drainage pipe 91, a second drainage pipe 92 connected in parallel to the first drainage pipe 91, a third ball valve 93 installed on the first drainage pipe 91, and a third angle seat valve 94 installed on the second drainage pipe 92. This dual-pipe design of the drainage pipe 9 (first drainage pipe 91 and second drainage pipe 92) allows for the selection of different drainage paths according to different drainage needs, improving drainage efficiency.

[0026] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A performance testing fixture for a water flow sensor, characterized in that, The device includes a support frame (1) and a base (2) mounted on the support frame (1). The base (2) is hollow inside to form a cavity (21) for placing a water flow sensor. The bottom surface of the cavity (21) is provided with a first positioning block (22), a second positioning block (23) located to the right of the first positioning block (22), and a water inlet (24) located between the first positioning block (22) and the second positioning block (23). The first positioning block (22) is provided with a water outlet (25). The angle between the water inlet (24) and the water outlet (25) is 90 degrees. The base (2) is provided with a pressing component (26) that can press the water flow sensor into the cavity (21).

2. The water flow sensor performance testing fixture according to claim 1, characterized in that, The first positioning block (22) has a first positioning groove (221) for positioning the water flow sensor on its right side wall, and the second positioning block (23) has a second positioning groove (231) for positioning the water flow sensor on its upper side wall; the clamping assembly (26) includes a first clamping cylinder (261) disposed on the right side of the seat (2) and a second clamping cylinder (262) disposed on the upper side of the seat (2).

3. The water flow sensor performance testing fixture according to claim 2, characterized in that, The seat (2) includes a first support plate (201) disposed on its lower side, a second support plate (202) disposed on its right side, a third support plate (203) disposed on its upper side, and a fourth support plate (204) disposed on its left side. The first support plate (201), the second support plate (202), the third support plate (203) and the fourth support plate (204) are joined end to end to form the cavity (21). The first positioning block (22) and the second positioning block (23) are both disposed on the first support plate (201). The first pressing cylinder (261) is disposed on the second support plate (202), and the second pressing cylinder (262) is disposed on the third support plate (203).

4. A water flow sensor performance testing platform, comprising an organism (3) and a worktable disposed on the organism (3), characterized in that, The workbench is equipped with a water flow sensor performance testing fixture as described in any one of claims 1 to 3.

5. The water flow sensor performance testing platform according to claim 4, characterized in that, The body (3) is equipped with a water tank (4), and the water tank (4) is equipped with a temperature sensor (41) for detecting the water temperature. The water tank (4) is connected to a water supply pipe (5) for adding water to the water tank (4), a test water inlet pipe (6) connected to the water inlet (24), and a test water outlet pipe (7) connected to the water outlet (25).

6. The water flow sensor performance testing platform according to claim 5, characterized in that, The water supply pipeline (5) includes a water supply pipe (51), and a first ball valve (52), a first water filter (53) and a first angle seat valve (54) sequentially arranged on the water supply pipe (51).

7. A water flow sensor performance testing platform according to claim 5, characterized in that, The test water inlet pipeline (6) includes a test water inlet pipe (61), and a second water filter (62), a water pump (63), a first pressure gauge (64), a pressure regulating valve (65), a second pressure gauge (66), a pressure sensor (67), an electromagnetic flow meter (68), and a second angle seat valve (69) sequentially arranged on the test water inlet pipe (61).

8. A water flow sensor performance testing platform according to claim 7, characterized in that, A return pipe (8) is connected to the test water inlet pipe (61) and between the water pump (63) and the first pressure gauge (64). The other end of the return pipe (8) is connected to the water tank (4). The return pipe (8) includes a return pipe (81) and a second ball valve (82) disposed on the return pipe (81).

9. A water flow sensor performance testing platform according to claim 5, characterized in that, The test water outlet pipeline (7) includes a test water outlet pipe (71) and an electric regulating valve (72) installed on the test water outlet pipe (71).

10. A water flow sensor performance testing platform according to claim 5, characterized in that, The body (3) is provided with a drain outlet (31) for draining water. The water tank (4) is provided with a drain pipe (9) and an overflow pipe (10) connected to the drain outlet (31). The overflow pipe (10) includes an overflow pipe (101). The drain pipe (9) includes a first drain pipe (91), a second drain pipe (92) connected in parallel to the first drain pipe (91), a third ball valve (93) provided on the first drain pipe (91), and a third angle seat valve (94) provided on the second drain pipe (92).

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