Pressure induction sensor sensitivity test bench

Abstract

The invention discloses a pressure induction sensor sensitivity test bench comprising a test bench body which is communicated with a drain pipe and is internally provided with a water pumping assembly; the liquid storage tank is arranged at the top of the test bed body, and the water pumping assembly is connected with the liquid storage tank; the transmission assembly is arranged in the test bed body; wherein the water pumping assembly can trigger the transmission assembly; the pressure induction sensor sensitivity test bench can simulate a rainwater environment more truly, test states of the pressure induction sensor in various test environments, and perform comprehensive sensitivity and waterproofness detection on the pressure induction sensor, thereby improving reliability and accuracy of the sensor in practical application.

Description

Technical Field

[0001] The invention relates to the technical field of sensor testing, and in particular to a pressure sensing sensor sensitivity test bench. Background Art

[0002] After the pressure sensor is produced, in order to ensure the performance and quality control of the product, the sensitivity of the sensor is often tested in various environments. In current technology, the pressure sensor to be tested is placed on the top of a fixed platform, and the sensitivity of the pressure sensor can be tested through a test operating table.

[0003] In normal use, some pressure sensors will be installed outdoors, and the outer surface of the pressure sensor will inevitably come into contact with rain. However, the sensitivity test bench often simulates the air pressure environment to test the sensitivity of the pressure sensor. The lack of waterproof testing of the pressure sensor leads to inaccurate measurement data in daily use of the pressure sensor. Therefore, a pressure sensor sensitivity test bench is proposed to address the above problem. Summary of the invention

[0004] In view of the above-mentioned problems existing in the existing pressure-sensitive sensor sensitivity test bench, the present invention is proposed.

[0005] Therefore, an object of the present invention is to provide a pressure sensing sensor sensitivity test bench.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising:

[0007] The test bench body is connected to a drainage pipe and has a pumping assembly inside;

[0008] A liquid storage tank is arranged on the top of the test bench body, and the pumping assembly is connected to the liquid storage tank;

[0009] A transmission assembly, which is arranged in the test bench body;

[0010] Wherein, the pumping component can trigger the transmission component.

[0011] As a preferred solution of the pressure-sensitive sensor sensitivity test bench of the present invention, wherein: a dispersion component is provided in the test bench body, which includes a limit column arranged on the inner wall of both sides of the test bench body, a displacement component slidably arranged on the limit column, and an extrusion curved plate arranged on the pumping component;

[0012] Wherein, the extruded curved plate can resist the sliding of the displacement component.

[0013] As a preferred solution of the pressure-sensitive sensor sensitivity test bench of the present invention, wherein: a toggle component is provided on the side wall of the test bench body;

[0014] The pumping assembly can drive the moving component to move the water.

[0015] As a preferred solution of the pressure-sensitive sensor sensitivity test bench of the present invention, a vibration component is provided at the bottom of the test bench body, which includes a follower component provided inside the test bench body and an adjustment component provided at the bottom of the test bench body;

[0016] The shifting component can drive the follower component to move, and the adjusting component can drive the follower component to rotate.

[0017] As a preferred solution of the pressure induction sensor sensitivity test bench of the present invention, it further includes a purification component, which includes a filter tube on the pumping component, a filter screen arranged at the end of the filter tube, a rotating component arranged at the top of the liquid storage tank, an electrolysis device arranged at the top of the liquid storage tank, a transfer tube arranged in the liquid storage tank, and an electrolysis ring arranged in the transfer tube;

[0018] Wherein, the electrolysis device is connected to the electrolysis ring.

[0019] As a preferred solution of the pressure-sensitive sensor sensitivity test bench of the present invention, wherein: the liquid storage tank is provided with an impurity removal component, which includes an impurity collection plate arranged on the top of the liquid storage tank and a collection component arranged on the top of the liquid storage tank;

[0020] Wherein, the impurity collecting plate can clean the filter screen.

[0021] As a preferred solution of the pressure sensing sensor sensitivity test bench of the present invention, it further includes a sealing component which can seal the interior of the test bench body.

[0022] As a preferred solution of the pressure sensing sensor sensitivity test bench of the present invention, it also includes a breaking component which can break up the water for a second time.

[0023] As a preferred solution of the pressure sensing sensor sensitivity test bench of the present invention, two sets of humidifying devices are installed inside the liquid storage tank;

[0024] The bottom of the liquid storage box is provided with a through hole matched with the humidifying device.

[0025] As a preferred solution of the pressure induction sensor sensitivity test bench of the present invention, wherein: two groups of heating devices are fixedly connected to the inner side of the liquid storage tank, and the two groups of heating devices are fixedly connected to heating rods;

[0026] Wherein, the heating rod is arranged near the through hole.

[0027] Beneficial effects of the present invention:

[0028] Simulating rainwater environment: The equipment simulates rainwater discharging intermittently downwards through the reciprocating movement of the first orifice plate and the second orifice plate, thereby conducting a simulated test of the rainwater environment on the air pressure sensor on the top of the conveyor belt; the irregular shaking of the diverter plate is achieved through the cooperation of the fixing ring, the spring column and the second crank rocker device to simulate a more realistic rainwater environment; the equipment disperses the water falling from the first orifice plate through the cooperation of the water collecting trough and the diverter hole, changes the size of the water, and further enhances the simulation effect of the rainwater environment;

[0029] Waterproof test: The test bench not only simulates the air pressure environment, but also has the function of testing the water resistance of the air pressure sensor, which solves the problem of the lack of water resistance test in the existing test bench;

[0030] Sensor movement and simulated drop: The rotation of the conveyor belt causes the air pressure sensor placed on the top of the conveyor belt to move and eventually fall on the top of the receiving plate, simulating the drop of the air pressure sensor in a rainy environment;

[0031] The pressure sensing sensor sensitivity test bench of the present invention can simulate a rainy environment more realistically, test the status of the air pressure sensing sensor under a variety of test environments, and perform comprehensive sensitivity and waterproof tests on the air pressure sensing sensor, thereby improving the reliability and accuracy of the sensor in practical applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0034] Figure 2 It is a schematic diagram of the structure of the water pumping component in the present invention.

[0035] Figure 3 It is a structural schematic diagram of the transmission component in the present invention.

[0036] Figure 4 It is a structural schematic diagram of the toggle component in the present invention.

[0037] Figure 5 For the present invention Figure 4 Enlarged view of point B in the middle.

[0038] Figure 6 It is a schematic diagram of the structure of the dispersed components in the present invention.

[0039] Figure 7 It is a schematic diagram of the structure of the disassembled components in the present invention.

[0040] Figure 8 It is a structural schematic diagram of the follower assembly in the present invention.

[0041] Fig. 9 It is a schematic diagram of the structure of the purification component in the present invention.

[0042] Fig.10 It is a schematic diagram of the structure of the collection component in the present invention.

[0043] Fig.11 For the present invention Figure 2 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0044] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0045] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0046] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0047] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0048] Example 1

[0049] Reference Figure 1-Figure 8 , a pressure induction sensor sensitivity test bench is provided, comprising a test bench body 100, which is connected to a drainage pipe 101, and a pumping assembly 102 is arranged inside the test bench body;

[0050] A liquid storage tank 103 is disposed on the top of the test bench body 100, and the pumping assembly 102 is connected to the liquid storage tank 103;

[0051] A transmission assembly 104, which is disposed in the test bench body 100;

[0052] Wherein, the pumping assembly 102 can trigger the transmission assembly 104;

[0053] A drainage pipe 101 is connected to the side wall of the test bench body 100, a liquid storage tank 103 is fixedly connected to the top of the test bench body 100, a transmission assembly 104 includes a receiving plate 104a fixedly connected to the inner side of the test bench body 100, a placement platform 104b is provided on the inner side of the test bench body 100, a first connecting plate 104c is slidably connected to one side of the placement platform 104b, an electric cylinder 104d is fixedly connected to the side wall of the test bench body 100, and the electric cylinder 104d is connected to the first connecting plate 104c. A first output motor 104e is installed on the top of 104d, and the first output motor 104e is rotatably connected to a first transmission gear rod 104f near one end of the test bench body 100, and a second transmission gear rod 104g is rotatably connected to the top of the placement platform 104b, and the first transmission gear rod 104f and the second transmission gear rod 104g are meshed with each other, and a closed sleeve column 104h is provided on the top of the placement platform 104b, and the closed sleeve column 104h is sleeved on the top of the second transmission gear rod 104g and the first transmission gear rod 104f;

[0054] The pumping assembly 102 includes a conveyor belt 102a, which is rotatably connected to the top of the placement platform 104b. The inner side of the conveyor belt 102a is rotatably connected to a third transmission gear rod 102b, which is meshed with the second transmission gear rod 104g. A water level sensor 102c is provided on the side wall of the test bench body 100 close to the electric cylinder 104d. The water level sensor 102c is interconnected with the first output motor 104e. A liquid storage tank 103 is fixedly connected to the top of the test bench body 100, and a second orifice plate 102j is fixedly connected to the bottom of the inner side of the liquid storage tank 103. The inner side of the placement platform 104b is slidably connected to the first orifice plate 102d. The side wall of the test bench body 100 close to the drain pipe 101 is fixedly connected to the second orifice plate 102d. A second output motor 102e is connected, a first crank rocker device 102f is slidably connected to the inner side of the liquid storage tank 103, the first crank rocker device 102f is connected to the first orifice plate 102d, and the first crank rocker device 102f is rotatably connected to the second output motor 102e at one end away from the first orifice plate 102d. A water pump 102g is fixedly connected to the side wall of the test bench body 100 away from the first output motor 104e, the water pump 102g is connected to the bottom end of the inner side of the test bench body 100, and a drainage column 102h is connected to the top of the water pump 102g. A connecting column is rotatably connected to the top of the liquid storage tank 103, the connecting column is connected to the inner side of the liquid storage tank 103, and the connecting column and the drainage column 102h are connected to each other.

[0055] The air pressure sensing sensor to be tested is placed on the top of the conveyor belt 102a; after being connected to the test bench body 100 through the drainage pipe 101 and the external water source, water is injected into the inner side of the test bench body 100, and the water pump 102g is started. The water pump 102g can extract the water at the bottom of the inner side of the test bench body 100 to the inner side of the liquid storage tank 103 through the drainage column 102h and the connecting column; the second output motor 102e is started, and the second output motor 102e can drive the first orifice plate 102d to reciprocate through the first crank rocker device 102f; the moving first orifice plate 102d cooperates with the second orifice plate 102j to discharge the water inside the liquid storage tank 103 downwards, and the reciprocating first orifice plate 102d and the second orifice plate 102j cooperate with each other to realize the intermittent downward discharge of the water inside the liquid storage tank 103, thereby realizing the simulation of the rain environment for the air pressure sensing sensor on the top of the conveyor belt 102a;

[0056] When the water level at the bottom inner side of the test bench body 100 reaches a certain height, after the water level sensor 102c is covered by water, the water level sensor 102c starts the first output motor 104e, and the first output motor 104e cooperates with the second transmission gear rod 104g through the first transmission gear rod 104f, so that the third transmission gear rod 102b can be rotated, and during the rotation of the third transmission gear rod 102b, the conveyor belt 102a can be driven to rotate together, so that the air pressure sensor placed on the top of the conveyor belt 102a moves, and finally the air pressure sensor falls on the top of the receiving plate 104a, thereby simulating the falling of the air pressure sensor in a rain environment; the overall device improves the provision of a variety of test environments for the air pressure sensor, which can effectively improve the test accuracy of the air pressure sensor in a rain environment.

[0057] Furthermore, the test bench body 100 is provided with a dispersion component 200, which includes a limit column 201 provided on the inner wall of both sides of the test bench body 100, a displacement component 202 slidably provided on the limit column 201, and an extrusion curved plate 203 provided on the pumping component 102; wherein the extrusion curved plate 203 can slide against the displacement component 202;

[0058] The limit column 201 is fixedly connected to the inner walls of both sides of the test bench body 100, and the displacement assembly 202 includes a connecting sliding column 202a slidably arranged in the limit column 201, and the outer wall of the connecting sliding column 202a is fixedly connected to multiple groups of fixing rings 202b, and the top of the fixing ring 202b is fixedly connected to multiple groups of spring columns 202c, and the top of the spring column 202c is fixedly connected to a diverter plate 202d, and the top of the diverter plate 202d is provided with multiple groups of water collecting grooves 202e; the inner bottom of the water collecting groove 202e is penetrated by a diverter hole 202f; the bottom of the first orifice plate 102d is fixedly connected to multiple groups of extrusion curved plates 203;

[0059] When the first orifice plate 102d moves, it drives multiple groups of extrusion curved plates 203 to move back and forth together. The extrusion curved plates 203 can continuously squeeze the bottom of the connecting slide column 202a, so that the multiple groups of connecting slide columns 202a can move back and forth up and down through the limiting column 201. During the movement of the connecting slide column 202a, the fixing ring 202b, the spring column 202c and the second crank rocker device 305 can cooperate with each other to achieve the irregular shaking effect of the diverter plate 202d; and the water collecting trough 202e and the diverter hole 202f cooperate with each other to disperse the water falling from the first orifice plate 102d, so that the size of the water passing through the inner side of the first orifice plate 102d can be changed, which can achieve a more realistic rain environment simulation; the overall device improves the accuracy of the air pressure sensor when tested in a rain environment.

[0060] Furthermore, a moving component 300 is provided on the side wall of the test bench body 100; the pumping assembly 102 can drive the moving component 300 to move water;

[0061] The toggle component 300 includes a slide rail 301, which is fixedly connected to the inner side of the test bench body 100 and close to the position of the drain pipe 101. A first limit slide column 302 is fixedly connected to the inner side of the slide rail 301; a slider 303 is sleeved on the outer side of the first limit slide column 302; a water flow toggle plate 304 is fixedly connected to the bottom end of the slider 303; a second crank rocker device 305 is rotatably connected to the top of the slider 303; the second crank rocker device 305 is mutually connected to the second output motor 102e;

[0062] After the electric cylinder 104d is started, the electric cylinder 104d can drive the placement platform 104b and the conveyor belt 102a to move downward together, so that the air pressure sensor is completely immersed in water; and during the operation of the second output motor 102e, the second crank rocker device 305 can drive the slider 303 to reciprocate through the first limit slide column 302 and the slide rail 301, and the reciprocating water flow paddle 304 can paddle the water inside the test bench body 100, thereby achieving a more realistic simulation of the river water environment; the overall device provides a river water environment to the air pressure sensor, thereby improving the accuracy of the air pressure sensor when testing in different environments.

[0063] Furthermore, a vibration component 400 is provided at the bottom of the test bench body 100, which includes a follower component 401 provided inside the test bench body 100 and an adjustment component 402 provided at the bottom of the test bench body 100;

[0064] The toggle component 300 can drive the follower component 401 to move, and the adjustment component 402 can drive the follower component 401 to rotate;

[0065] The follower assembly 401 includes a limit rotating column 401a rotatably connected to the bottom end of the inside of the test bench body 100, the bottom end of the limit rotating column 401a is arranged on the outside of the test bench body 100, the inner side of the limit rotating column 401a is slidably connected to the second limit sliding column 401b, the inner bottom of the second limit sliding column 401b is fixedly connected to a return spring 401c, the inner side of the second limit sliding column 401b is rotatably connected to a connecting column 401d, the connecting column 401d and the second limit sliding column 401b are connected to each other, the side wall of the connecting column 401d close to the slide rail 301 is fixedly connected to a first extrusion plate 401e, the bottom end of the placement platform 104b is rotatably connected to a pair of rotating beads 401f, the water flow paddle 304 is fixedly connected to the second extrusion plate 401g at one end close to the limit rotating column 401a, and the second extrusion plate 401g is rotatably connected to a fitting rotating column 401h at one end close to the limit rotating column 401a;

[0066] The adjustment assembly 402 includes a first transmission gear 402a rotatably connected to the bottom of the test bench body 100, the first transmission gear 402a and the limit rotating column 401a are mutually meshed, and a screw rod 402b is rotatably connected to the bottom of the test bench body 100, and the screw rod 402b and the first transmission gear 402a are mutually meshed;

[0067] During the movement of the water flow paddle 304, the second squeezing plate 401g and the fitting rotating column 401h can be driven to move together, and the second squeezing plate 401g and the fitting rotating column 401h can squeeze the first squeezing plate 401e, so that the connecting column 401d rotates, and the rotating connecting column 401d can squeeze the bottom of a pair of rotating beads 401f, so that the placement platform 104b can vibrate up and down through the first connecting plate 104c. The overall device can improve the accuracy of the air pressure sensor when testing in different environments by providing a vibration environment test for the air pressure sensor.

[0068] When there is no need to test the air pressure sensing sensor in a vibration environment, the screw 402b is rotated to make the first transmission gear 402a drive the limiting rotating column 401a to rotate, so that the first extrusion plate 401e is no longer facing the direction of the water flow paddle 304. During the movement of the water flow paddle 304, the second extrusion plate 401g and the fitting rotating column 401h no longer squeeze the first extrusion plate 401e. The overall device controls whether the placement platform 104b is subjected to a vibration environment test.

[0069] Furthermore, it also includes a dispersing component 800, which can perform secondary dispersing of water; the dispersing component 800 includes a water collecting ring 801 fixedly connected to the outer wall of the diverter plate 202d, a plurality of drainage grooves 802 are provided on the top of the water collecting ring 801, a plurality of diverter columns 803 are fixedly connected to the outer wall of the drainage groove 802, and a plurality of holes are provided through the inner bottom of the diverter column 803;

[0070] Starting the water collecting ring 801 can collect the water left from the outer wall of the diverter plate 202d, and through the cooperation of the drainage groove 802, the diverter column 803 and the hole, the water can be dispersed for the second time. The overall device improves the diversity in the rain environment and improves the accuracy of the air pressure sensor when testing in the rain environment.

[0071] Simulating rainwater environment: The device simulates rainwater discharging intermittently downwards through the reciprocating movement of the first orifice plate 102d and the second orifice plate 102j, thereby conducting a simulated test of the rainwater environment on the air pressure sensing sensor at the top of the conveyor belt 102a; the irregular shaking of the diverter plate 202d is achieved through the cooperation of the fixing ring 202b, the spring column 202c and the second crank rocker device 305, simulating a more realistic rainwater environment; the device disperses the water falling from the first orifice plate 102d through the cooperation of the water collecting trough 202e and the diverter hole 202f, changes the size of the water, and further enhances the simulation effect of the rainwater environment;

[0072] Waterproof test: The test bench not only simulates the air pressure environment, but also has the function of testing the water resistance of the air pressure sensor, which solves the problem of the lack of water resistance test in the existing test bench;

[0073] Sensor movement and simulated drop: The rotation of the conveyor belt 102a causes the air pressure sensor placed on the top of the conveyor belt 102a to move and eventually drop on the top of the receiving plate 104a, simulating the drop of the air pressure sensor in a rainy environment;

[0074] The pressure sensing sensor sensitivity test bench of the present invention can simulate a rainy environment more realistically, test the status of the air pressure sensing sensor under a variety of test environments, and perform comprehensive sensitivity and waterproof tests on the air pressure sensing sensor, thereby improving the reliability and accuracy of the sensor in practical applications.

[0075] Example 2

[0076] Reference Figure 1-Figure 10 , this embodiment is different from the first embodiment in that it also includes a purification component 500, which includes a filter tube 501 on the pumping component 102, a filter screen 502 arranged at the end of the filter tube 501, a rotating component 503 arranged at the top of the liquid storage tank 103, an electrolysis device 504 arranged at the top of the liquid storage tank 103, a transfer tube 505 arranged in the liquid storage tank 103, and an electrolysis ring 506 arranged in the transfer tube 505; wherein the electrolysis device 504 is connected to the electrolysis ring 506;

[0077] One end of the connecting column is connected to a filter tube 501; a filter screen 502 is provided at one end of the filter tube 501 away from the closed sleeve column 104h, an electrolysis device 504 is fixed on the top of the liquid storage tank 103, and a transfer tube 505 is fixed on the top of the liquid storage tank 103;

[0078] The rotating parts include a third output motor 503a installed on the top of the liquid storage tank 103, and a first toothed disc 503b is fixedly connected to the top of the connecting column; a second transmission gear 503c is fixedly connected to one end of the third output motor 503a close to the connecting column; the second transmission gear 503c and the first toothed disc 503b are meshed with each other; a cleaning soft plate 503d is fixedly connected to one end of the third output motor 503a close to the second transmission gear 503c; the cleaning soft plate 503d and the side wall of the filter 502 are mutually attached; an elastic support plate 503e is fixedly connected to the top of the liquid storage tank 103; the elastic support plate 503e and the side wall of the first toothed disc 503b are mutually connected;

[0079] The filter tube 501 and the filter net 502 cooperate with each other to filter the water passing through the connecting column, thereby reducing the occurrence of the water becoming gradually turbid during the water recycling process;

[0080] The third output motor 503a is started, and the third output motor 503a rotates forward to drive the cleaning soft plate 503d to rotate, and the cleaning soft plate 503d can clean the impurities attached to the side wall of the filter 502, so as to discharge the impurities attached to the side wall of the filter 502 outward; the elastic support plate 503e can continuously provide the first toothed disc 503b with an extrusion force to rotate the second transmission gear 503c;

[0081] When water electrolysis is required, the third output motor 503a is reversed, and the third output motor 503a drives the second transmission gear 503c to reverse, and the second transmission gear 503c is meshed with the first gear plate 503b, thereby driving the connecting column to rotate, and during the rotation of the connecting column, the filter screen 502 and the transfer tube 505 can be connected to each other; the electrolysis device 504 is started, and the electrolysis device 504 can decompose the water passing through the inside of the transfer tube 505 through the electrolysis ring 506, thereby increasing the gas content of the water inside the test bench body 100; the overall device can achieve the effect of adjusting the gas content in the water; and improves the accuracy of the air pressure sensing sensor when conducting tests in different environments.

[0082] The liquid storage tank 103 is provided with an impurity removal component 600, which includes an impurity collection plate 601 provided on the top of the liquid storage tank 103 and a collection assembly 602 provided on the top of the liquid storage tank 103; wherein the impurity collection plate 601 can clean the filter screen;

[0083] The impurity collecting plate 601 is fixedly connected to the top of the liquid storage tank 103. The collecting assembly 602 includes a fourth transmission gear rod 602a rotatably connected to the top of the liquid storage tank 103, and the fourth transmission gear rod 602a is meshed with the second transmission gear 503c. A collecting groove 602b is provided on the top of the liquid storage tank 103. A second toothed disc 602c is rotatably connected to the top of the collecting groove 602b. A cleaning push plate 602d is fixedly connected to the outer wall of the second toothed disc 602c. The bottom of the cleaning push plate 602d is connected to the collecting groove. The tops of the collecting tank 602b are attached to each other; the top of the collecting tank 602b is rotatably connected to the third transmission gear 602e; the third transmission gear 602e is meshed with the second gear plate 602c; the third transmission gear 602e is meshed with the fourth transmission gear rod 602a; a pair of guide plates 602f are fixedly connected to the top of the liquid storage tank 103; a support ring 602g is fixedly connected to one end of the liquid storage tank 103 away from the first crank rocker device 102f; a collecting box 602h is provided inside the support ring 602g;

[0084] The impurity collecting plate 601 can scrape off the impurities attached to the side wall of the filter screen 502, so that the impurities enter the inner side of the collecting groove 602b, and the second transmission gear 503c can drive multiple groups of the fourth transmission gear rod 602a. The rotating fourth transmission gear rod 602a can drive the second gear plate 602c to rotate through the third transmission gear 602e, so that the cleaning push plate 602d can push the impurities attached to the inner side of the collecting groove 602b into the inner side of the collecting box 602h through a pair of guide plates 602f. The collecting box 602h can collect the impurities; when it is necessary to clean the impurities stored in the collecting box 602h, the collecting box 602h is taken out from the inner side of the support ring 602g, and the impurities on the inner side of the second transmission gear rod 104g can be processed; the overall device improves the simplicity of impurity collection.

[0085] The rest of the structure is the same as that of Example 1.

[0086] Example 3

[0087] Reference Figure 1-Figure 10 , this embodiment is different from the above embodiments in that: it also includes a sealing component 700, which can seal the inside of the test bench body 100;

[0088] The closing component 700 includes a limit block 701 fixedly arranged on the outside of the test bench body 100, the limit block 701 is arranged on the side close to the first output motor 104e, a closing slide plate 702 is slidably connected to the outside of the limit block 701, a side wall of the closing slide plate 702 close to the drain pipe 101 is provided with a plurality of sets of tooth grooves 703, a side wall of the test bench body 100 is rotatably connected with a fourth transmission gear 704, the fourth transmission gear 704 and the tooth groove 703 are meshed with each other, and a closing soft plate 705 is fixedly connected to the bottom of the closing slide plate 702;

[0089] The limit block 701 cooperates with the closed slide plate 702 to limit the moving range of the closed slide plate 702. By rotating the fourth transmission gear 704, the bottom of the closed soft plate 705 and the top of the first output motor 104e can be fitted together, thereby sealing the inside of the test bench body 100 and reducing the occurrence of water inside the test bench body 100 being discharged to the outside.

[0090] Furthermore, two sets of humidifying devices 900 are installed inside the liquid storage tank 103; a through hole 105 matching with the humidifying device 900 is opened at the bottom of the liquid storage tank 103;

[0091] The through hole 105 cooperates with the humidifying device 900, and the humidifying device 900 is started. The humidifying device 900 can continuously supply moisture to the inside of the test bench body 100 through the through hole 105, so that the inside of the test bench body 100 is filled with fog. The overall device improves the high-humidity fog environment of the test bench body 100 for testing the air pressure sensing sensor, which can effectively improve the diversity of the test environment of the test bench body 100.

[0092] Furthermore, two sets of heating devices 106 are fixedly connected to the inner side of the liquid storage tank 103, and the two sets of heating devices 106 are fixedly connected to heating rods 107; wherein the heating rods 107 are arranged near the through holes 105;

[0093] Start the heating device 106, which can continuously heat the inside of the test bench body 100 through the heating rod 107 to achieve a high temperature environment inside the test bench body 100, and through the cooperation of the heating rod 107 and the humidifying device 900, a high temperature and humid environment inside the test bench body 100 can be achieved.

[0094] The rest of the structure is the same as that of Example 2.

[0095] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to several modifications still falling within the scope of the appended claims.

[0096] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0097] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0098] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A pressure sensor sensitivity test bench, Features: include, The test bench body (100) is connected to a drainage pipe (101) and has a water pumping assembly (102) disposed therein; A liquid storage tank (103) is arranged on the top of the test bench body (100), and the pumping assembly (102) is connected to the liquid storage tank (103); A transmission assembly (104), which is arranged in the test bench body (100); Wherein, the pumping component (102) is capable of triggering the transmission component (104).

2. The pressure sensing sensor sensitivity test bench according to claim 1, Features: The test bench body (100) is provided with a dispersion component (200), which comprises a limiting column (201) provided on the inner walls of both sides of the test bench body (100), a displacement component (202) slidably provided on the limiting column (201), and an extrusion curved plate (203) provided on the pumping component (102); The extruded curved plate (203) can resist the sliding movement of the displacement component (202).

3. The pressure sensing sensor sensitivity test bench as claimed in claim 2, Features: A shifting component (300) is provided on the side wall of the test bench body (100); The water pumping assembly (102) can drive the moving component (300) to move water.

4. The pressure sensing sensor sensitivity test bench as claimed in claim 3, Features: A vibration component (400) is provided at the bottom of the test bench body (100), which comprises a follower component (401) provided inside the test bench body (100) and an adjustment component (402) provided at the bottom of the test bench body (100); The shifting component (300) can drive the follower component (401) to move, and the adjusting component (402) can drive the follower component (401) to rotate.

5. The pressure sensing sensor sensitivity test bench as claimed in claim 4, Features: It also includes a purification component (500), which includes a filter tube (501) on the pumping component (102), a filter screen (502) arranged at the end of the filter tube (501), a rotating component (503) arranged at the top of the liquid storage tank (103), an electrolysis device (504) arranged at the top of the liquid storage tank (103), a transfer tube (505) arranged in the liquid storage tank (103), and an electrolysis ring (506) arranged in the transfer tube (505); Wherein, the electrolysis device (504) is connected to the electrolysis ring (506).

6. The pressure sensing sensor sensitivity test bench as claimed in claim 5, Features: The liquid storage tank (103) is provided with an impurity removal component (600), which comprises an impurity collection plate (601) arranged on the top of the liquid storage tank (103) and a collection assembly (602) arranged on the top of the liquid storage tank (103); Wherein, the impurity collecting plate (601) is capable of cleaning the filter screen.

7. The pressure sensing sensor sensitivity test bench according to claim 6, Features: It also comprises a sealing component (700) which can seal the interior of the test bench body (100).

8. The pressure sensing sensor sensitivity test bench according to claim 3 or 5, Features: It also includes a dispersing component (800) which can perform secondary dispersing of water.

9. The pressure sensing sensor sensitivity test bench according to claim 8, Features: Two groups of humidifying devices (900) are installed inside the liquid storage tank (103); The bottom of the liquid storage tank (103) is provided with a through hole (105) that matches the humidifying device (900).

10. The pressure sensing sensor sensitivity test bench according to claim 7 or 9, Features: Two groups of heating devices (106) are fixedly connected to the inner side of the liquid storage tank (103), and the two groups of heating devices (106) are fixedly connected to heating rods (107); Wherein, the heating rod (107) is arranged near the through hole (105).

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