CN116952457B - Detection equipment for wide-range pressure sensor - Google Patents
Detection equipment for wide-range pressure sensor Download PDFInfo
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- CN116952457B CN116952457B CN202311206815.0A CN202311206815A CN116952457B CN 116952457 B CN116952457 B CN 116952457B CN 202311206815 A CN202311206815 A CN 202311206815A CN 116952457 B CN116952457 B CN 116952457B
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- 238000001514 detection method Methods 0.000 title claims abstract description 114
- 238000012360 testing method Methods 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000006978 adaptation Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
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- 230000007613 environmental effect Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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Abstract
The invention belongs to the technical field of sensor detection, and particularly relates to detection equipment for a wide-range pressure sensor, which comprises a detection main body, a temperature and humidity display assembly, a linearity test mechanism and an environment adaptation test mechanism, wherein the linearity test mechanism is arranged in the detection main body, the environment adaptation test mechanism is arranged on the detection main body, and the temperature and humidity display assembly is arranged on the linearity test mechanism; the invention provides a multi-dimensional, convenient and efficient detection device for a pressure sensor, which can apply pressure from different directions through a linearity test mechanism, so that the directional error and the mechanical hysteresis of the pressure sensor can be eliminated, the consistency and the repeatability of output signals of the pressure sensor can be ensured, the pressure sensor can be excited and responded for a plurality of times in a short time, the response time and the dynamic characteristic of the pressure sensor can be rapidly measured, and the application situation of high speed or frequent change can be judged.
Description
Technical Field
The invention belongs to the technical field of sensor detection, and particularly relates to detection equipment for a wide-range pressure sensor.
Background
The pressure sensor is a device capable of measuring pressure and providing a remote transmission signal, is widely applied to the fields of industry, aviation, automobiles, water conservancy, weather and the like, has various structural types, and common types include strain type, piezoresistance type, capacitance type, piezoelectric type, vibration frequency type and the like, and has advantages and disadvantages.
The detection equipment for the pressure sensor in the current market has single function and cannot detect multiple parameters at the same time.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a multi-dimensional, convenient and efficient detection device for the pressure sensor, and the pressure can be applied from different directions through the linearity testing mechanism, so that the directional error and the mechanical hysteresis of the pressure sensor can be eliminated, the consistency and the repeatability of output signals of the pressure sensor are ensured, the pressure sensor can be excited and responded for a plurality of times in a short time, the response time and the dynamic characteristic of the pressure sensor can be measured rapidly, and the application occasion with high speed or frequent change is judged.
The technical scheme adopted by the invention is as follows: the invention provides detection equipment for a wide-range pressure sensor, which comprises a detection main body, a temperature and humidity display assembly, a linearity test mechanism and an environment adaptation test mechanism, wherein the linearity test mechanism is arranged in the detection main body; the linearity testing mechanism comprises a linear track adjusting assembly, a first direction adjusting assembly and a second direction adjusting assembly, wherein the linear track adjusting assembly is arranged in the detection main body, the first direction adjusting assembly is arranged on the detection main body, and the second direction adjusting assembly is arranged on the linear track adjusting assembly.
Further, the detection main body comprises a detection table, a detection frame, a fixing table, a first groove, threads, a first cylinder, a fixing plate and a second groove, wherein the detection table is arranged at the lower end of the detection main body, the detection frame is arranged at the upper end of the detection table, the fixing table is rotationally arranged on the detection table, the first groove is arranged in the fixing table, the second groove is arranged at the inner side and the outer side of the fixing table, the first cylinder is arranged at the inner bottom end of the fixing table, the fixing plate is arranged at the output end of the first cylinder, and the threads are arranged at the inner lower end of the first groove.
Further, the linear track adjustment assembly comprises a test block, an adjustment cavity, an arc-shaped chute I, a pulley I, a movable plate and a pressure source, wherein the test block is arranged on the test table, the adjustment cavity is arranged in the test block, the arc-shaped chute I is arranged in the test block, the pulley I is arranged in the arc-shaped chute I in a sliding mode, the movable plate is arranged at the upper end of the pulley I, and the pressure source is arranged on the movable plate.
Further, the first direction adjusting component comprises a first motor, a first gear, a first tooth block, a second annular chute, a sliding block, a first graduated scale and a first indicator, the second annular chute is arranged in the detection table, the sliding block is arranged in the second annular chute in a sliding mode, the lower end of the fixing table is arranged on the sliding block, the annular array of the first tooth block is arranged on the outer side wall of the fixing table, the first motor is arranged on one side of the detection table, the first gear is arranged at the output end of the first motor, the first gear is meshed with the first tooth block to rotate and connected with the first graduated scale, the first graduated scale is arranged at the upper end of the detection table, and the first indicator is arranged at the lower end of the side wall of the fixing table.
Further, direction adjustment subassembly II includes pilot rod, motor II, connecting rod, scale II and pilot mark II, the lower extreme of fly leaf is located to the pilot rod, the rear side wall upper end of test block is located to motor II, the output of motor II is located to the one end of connecting rod, the rear end of pilot rod is located to the other end of connecting rod, the front end of pilot rod is located to pilot mark II, the front end of test block is located to scale II.
Further, the environment adaptation testing mechanism comprises an environment stability detection component, a magnetic field stability detection component and a magnetic field generation component, wherein the environment stability detection component is arranged in the testing block, the magnetic field stability detection component is arranged at the upper end of the interior of the testing frame, and the magnetic field generation component is arranged at the lower end of the magnetic field stability detection component.
Further, the environmental stability detection component comprises an atomizer, an output pipe, a fan and a heating wire, wherein the atomizer is arranged on two sides of the test block, one end of the output pipe is communicated with the output end of the atomizer, the other end of the output pipe is arranged in the adjusting cavity, the fan is arranged in the output pipe, the heating wire is arranged in the output pipe, and the heating wire is arranged at the upper end of the fan.
Further, the magnetic field stability detection assembly comprises a telescopic cylinder II, a motor III, a detection ring, a bottom plate, an inner gear ring, a sliding groove III, a pulley II and a gear II, wherein the telescopic cylinder II is arranged at the upper end of the inside of the detection frame, the detection ring is arranged at one side of the output end of the telescopic cylinder II, the bottom plate is arranged at the upper end of the detection ring, the motor III is arranged at the upper end of the bottom plate, the gear II is arranged at the output end of the motor III, the sliding groove III is arranged in the detection ring, the pulley II is arranged in the sliding groove III in a sliding manner, the outer side of the inner gear ring is arranged at one end of the pulley II, and the inner gear ring and the gear II are meshed and rotated to be connected.
Further, the magnetic field generating assembly comprises an electrified magnet and an arc-shaped rod, one end of the arc-shaped rod is arranged at the lower end of the gear II, and the electrified magnet is arranged at the lower side of the other end of the arc-shaped rod.
Further, the humiture display module includes humidity indicator, temperature-sensing ware and humidity sensor, the inside left side in adjustment chamber is located to temperature-sensing ware, the inside right side in adjustment chamber is located to the humidity sensor, the front left side left end of test block is located to temperature indicator, the front right-hand member of test block is located to humidity indicator, humidity indicator electricity connection humidity sensor, temperature-sensing ware is connected to temperature indicator electricity.
The beneficial effects obtained by the invention by adopting the structure are as follows: the invention provides detection equipment for a wide-range pressure sensor, which has the following beneficial effects:
in order to solve the problem that the detection equipment for the pressure sensor in the current market is single in function and cannot detect multiple parameters at the same time, the pressure can be applied from different directions through the linearity testing mechanism, so that the directivity error and the mechanical hysteresis of the pressure sensor can be eliminated, the consistency and the repeatability of output signals of the pressure sensor are ensured, and the detection stability is improved.
Through the linearity test mechanism, the detection efficiency can be improved, and the pressure sensor is excited and responded for multiple times in a short time, so that the response time and the dynamic characteristic of the pressure sensor can be rapidly measured, and whether the pressure sensor is suitable for high-speed or frequent-change application occasions or not is judged.
The stress point of the pressure sensor can be detected from any angle through the linearity testing mechanism.
Through the environmental stability detection component, the measurement accuracy is improved, and the change of temperature and humidity can influence the performance parameters such as resistance value, capacitance value, output signal of the pressure sensor, thereby causing errors such as zero drift, sensitivity change, linearity deviation and the like. The temperature and humidity are utilized to detect the environmental stability of the pressure sensor, so that the measurement error of the pressure sensor under different environmental conditions can be estimated, and corresponding temperature compensation measures are adopted, thereby improving the measurement accuracy.
By means of the environmental stability detection assembly, the service life is improved, since changes in temperature and humidity may cause physical or chemical changes in the pressure sensor, such as thermal stress, thermal expansion, thermal fatigue, corrosion, etc., thereby affecting its structural integrity and reliability. The environmental stability of the pressure sensor is detected by utilizing temperature and humidity, so that the durability of the pressure sensor under different environmental conditions can be evaluated, and corresponding protective measures are adopted, so that the service life is prolonged.
Through environmental stability detection subassembly, improve adaptability, because temperature and humidity's change can influence pressure sensor's working range and sensitive interval to restrict its suitability in different application. The environmental stability detection is carried out on the pressure sensor by utilizing temperature and humidity, the working characteristics of the pressure sensor under different environmental conditions can be evaluated, and the proper pressure sensor type and parameters are selected, so that the adaptability is improved.
Through the magnetic field stability detection component, the measurement sensitivity is improved, and the electromagnet can generate magnetic fields with different intensities from far to near, so that piezoelectric effects or magnetostriction effects with different degrees are generated on the pressure sensor, and the output electric signal and the change range of the pressure sensor can be measured more accurately, so that whether the sensitivity meets the requirements or not is evaluated.
Through the magnetic field stability detection component, the measurement stability is improved, and the influence of factors such as mechanical stress, thermal stress, environmental interference and the like of the pressure sensor can be eliminated from far to near by the electromagnet, so that the consistency and the repeatability of output signals of the pressure sensor are ensured.
Through the magnetic field stability detection assembly, the measurement efficiency is improved, because the electromagnet can excite and respond to the pressure sensor for many times in a shorter time from far to near, the response time and the dynamic characteristic of the pressure sensor can be measured rapidly, and whether the pressure sensor is suitable for high-speed or frequent-change application occasions is judged.
Drawings
FIG. 1 is a front view of a wide range pressure sensor detection apparatus according to the present invention;
FIG. 2 is a front cross-sectional view of a wide-range pressure sensor detection device according to the present invention;
FIG. 3 is a front view of the linearity test mechanism;
FIG. 4 is a rear view of the linearity test mechanism;
FIG. 5 is a front cross-sectional view of the linearity test mechanism;
FIG. 6 is an elevational view of the magnetic field stability sensing assembly;
FIG. 7 is an isometric cross-sectional view of a magnetic field stability sensing assembly;
FIG. 8 is a front cross-sectional view of a magnetic field stability sensing assembly;
fig. 9 is a top view of the test station.
Wherein 1, a detection main body, 2, a linearity testing mechanism, 3, an environment adaptation testing mechanism, 4, a temperature and humidity display component, 5, a detection table, 6, a detection frame, 7, a fixed table, 8, a groove I, 9, threads, 10, a cylinder I, 11, a fixed plate, 12, a linear track adjusting component, 13, a direction adjusting component I, 14, a direction adjusting component II, 15, a testing block, 16, an adjusting cavity, 17, an arc chute I, 18, a pulley I, 19, a moving plate, 20, a pressure source, 21, a motor I, 22, a gear I, 23, a tooth block, 24, an annular chute II, 25, a sliding block, 26, a graduated scale I, 27 and an indicator I, 28, an indication rod, 29, a motor II, 30, a connecting rod, 31, a graduated scale II, 32, an indication mark II, 33, an environmental stability detection component, 34, a magnetic field stability detection component, 35, a magnetic field generation component, 38, an atomizer, 39, an output pipe, 40, a fan, 41, a heating wire, 42, a telescopic cylinder II, 43, a motor III, 44, a detection ring, 45, a bottom plate, 46, an inner gear ring, 47, a chute III, 48, a pulley II, 49, a gear II, 50, an electromagnet, 51, an arc-shaped rod, 52, a humidity display, 53, a temperature display, 54, a temperature sensor, 55, a humidity sensor, 56 and a groove II.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-9, the invention provides a detection device for a wide-range pressure sensor, which comprises a detection main body 1, a temperature and humidity display assembly 4, a linearity test mechanism 2 and an environment adaptation test mechanism 3, wherein the linearity test mechanism 2 is arranged in the detection main body 1, the environment adaptation test mechanism 3 is arranged on the detection main body 1, and the temperature and humidity display assembly 4 is arranged on the linearity test mechanism 2; the linearity testing mechanism 2 comprises a linear track adjusting component 12, a first direction adjusting component 13 and a second direction adjusting component 14, wherein the linear track adjusting component 12 is arranged in the detecting main body 1, the first direction adjusting component 13 is arranged on the detecting main body 1, and the second direction adjusting component 14 is arranged on the linear track adjusting component 12.
The detection main body 1 comprises a detection table 5, a detection frame 6, a fixing table 7, a first groove 8, threads 9, a first cylinder 10, a fixing plate 11 and a second groove 56, wherein the detection table 5 is arranged at the lower end of the detection main body 1, the detection frame 6 is arranged at the upper end of the detection table 5, the fixing table 7 is rotationally arranged on the detection table 5, the first groove 8 is arranged in the fixing table 7, the second groove 56 is arranged at the inner side and the outer side of the fixing table 7, the first cylinder 10 is arranged at the inner bottom end of the fixing table 7, the fixing plate 11 is arranged at the output end of the first cylinder 10, and the threads 9 are arranged at the inner lower end of the first groove 8.
The environment adaptation testing mechanism 3 comprises an environment stability detection component 33, a magnetic field stability detection component 34 and a magnetic field generation component 35, wherein the environment stability detection component 33 is arranged in the testing block 15, the magnetic field stability detection component 34 is arranged at the upper end of the interior of the testing frame 6, and the magnetic field generation component 35 is arranged at the lower end of the magnetic field stability detection component 34.
The environmental stability detection assembly 33 comprises an atomizer 38, an output pipe 39, a fan 40 and a heating wire 41, wherein the atomizer 38 is arranged on two sides of the test block 15, one end of the output pipe 39 is arranged at the output end of the atomizer 38 in a penetrating mode, the other end of the output pipe 39 is arranged in the adjusting cavity 16, the fan 40 is arranged in the output pipe 39, the heating wire 41 is arranged in the output pipe 39, and the heating wire 41 is arranged at the upper end of the fan 40.
The magnetic field stability detection assembly 34 comprises a telescopic cylinder II 42, a motor III 43, a detection ring 44, a bottom plate 45, an inner gear ring 46, a sliding groove III 47, a pulley II 48 and a gear II 49, wherein the telescopic cylinder II 42 is arranged at the upper end of the inner part of the detection frame 6, the detection ring 44 is arranged at one side of the output end of the telescopic cylinder II 42, the bottom plate 45 is arranged at the upper end of the detection ring 44, the motor III 43 is arranged at the upper end of the bottom plate 45, the gear II 49 is arranged at the output end of the motor III 43, the sliding groove III 47 is arranged in the detection ring 44, the pulley II 48 is slidably arranged in the sliding groove III 47, the outer side of the inner gear ring 46 is arranged at one end of the pulley II 48, and the inner gear ring 46 is meshed and rotationally connected with the gear II 49.
The magnetic field generating unit 35 includes an electromagnet 50 and an arc-shaped rod 51, one end of the arc-shaped rod 51 is provided at the lower end of the gear two 49, and the electromagnet 50 is provided at the lower side of the other end of the arc-shaped rod 51.
The temperature and humidity display assembly 4 comprises a humidity display 52, a temperature display 53, a temperature sensor 54 and a humidity sensor 55, wherein the temperature sensor 54 is arranged on the left side of the interior of the adjusting cavity 16, the humidity sensor 55 is arranged on the right side of the interior of the adjusting cavity 16, the temperature display 53 is arranged on the left end of the front side of the test block 15, the humidity display 52 is arranged on the right end of the front side of the test block 15, the humidity sensor 55 is electrically connected with the humidity display 52, and the temperature sensor 54 is electrically connected with the temperature display 53.
The linear track adjustment assembly 12 comprises a test block 15, an adjustment cavity 16, an arc-shaped chute I17, a pulley I18, a moving plate 19 and a pressure source 20, wherein the test block 15 is arranged on the test table 5, the adjustment cavity 16 is arranged in the test block 15, the arc-shaped chute I17 is arranged in the test block 15, the pulley I18 is slidably arranged in the arc-shaped chute I17, the moving plate 19 is arranged at the upper end of the pulley I18, and the pressure source 20 is arranged on the moving plate 19.
The first direction adjusting component 13 comprises a first motor 21, a first gear 22, a first gear block 23, a second annular chute 24, a sliding block 25, a first graduated scale 26 and a first indicator 27, wherein the second annular chute 24 is arranged in the detection table 5, the sliding block 25 is arranged in the second annular chute 24 in a sliding manner, the lower end of the fixed table 7 is arranged on the sliding block 25, the annular array of the first gear block 23 is arranged on the outer side wall of the fixed table 7, the first motor 21 is arranged on one side of the detection table 5, the first gear 22 is arranged at the output end of the first motor 21, the first gear 22 is meshed and rotationally connected with the first gear block 23, the first graduated scale 26 is arranged at the upper end of the detection table 5, and the first indicator 27 is arranged at the lower end of the side wall of the fixed table 7.
The second direction adjusting component 14 comprises an indication rod 28, a second motor 29, a connecting rod 30, a second graduated scale 31 and a second indication mark 32, wherein the indication rod 28 is arranged at the lower end of the moving plate 19, the second motor 29 is arranged at the upper end of the rear side wall of the test block 15, one end of the connecting rod 30 is arranged at the output end of the second motor 29, the other end of the connecting rod 30 is arranged at the rear end of the indication rod 28, the second indication mark 32 is arranged at the front end of the indication rod 28, and the second graduated scale 31 is arranged at the front end of the test block 15.
When the pressure sensor to be measured is particularly used, firstly, the pressure sensor to be measured is placed in the groove I8 and rotates, so that the outer side of the lower end of the pressure sensor is meshed with the threads 9 to rotate, the output end of the cylinder I10 moves downwards to drive the fixing plate 11 to move, so that the pressure sensor is fixed, the pressure source 20 is started, the output end of the pressure source 20 moves to act on the stress position of the pressure sensor to perform pressure detection on the pressure sensor, the output end of the motor II 29 rotates to drive the lower end of the connecting rod 30 to rotate with the outer circle of the motor II 29, the lower end of the connecting rod 30 rotates with the outer circle of the motor II 29 to drive the indicating rod 28 to rotate with the outer circle of the motor II 29, the indicating rod 28 rotates with the outer circle of the motor II 29 to drive the moving plate 19 to rotate with the outer circle of the motor II 29, the outer circle of the motor II 29 rotates with the outer circle of the motor II 29 to drive the pressure source 20 to rotate with the outer circle of the motor II 29, the output end of the motor I21 rotates to drive the gear I22 to rotate, the gear I22 rotates to drive the gear II 23 to rotate, the gear II 23 rotates to drive the fixed table 7 to rotate, the fixed table 7 rotates to drive the pressure sensor to rotate, the pressure source 20 is started, the output end of the pressure source 20 moves to apply pressures in different directions, the output of the sensor is measured, the linear relation between the output of the sensor and the applied pressures in different directions is checked, the output end of the telescopic cylinder II 42 moves to drive the electromagnet 50 to move downwards until the electromagnet 50 enters the groove II 56, the electromagnet 50 is electrified to generate magnetic field and electromagnetic interference, the output end of the motor III 43 rotates to drive the gear II 49 to rotate, the gear II 49 rotates to drive the inner gear ring 46 to rotate, the inner gear ring 46 rotates to drive other gears to rotate, the other end of the gear II 49 rotates to drive the arc rod 51 to rotate with the gear II 49 as the center of a circle, the other end of the arc-shaped rod 51 rotates around the second gear 49 as a center to drive the electromagnet 50 to approach the pressure sensor, so that the influence of magnetic field and electromagnetic interference on the pressure sensor is tested, the environment adaptation of the pressure sensor is tested, the atomizer 38, the heating wire 41 and the fan 40 are started, the temperature and the humidity are increased in the adjusting cavity 16, the temperature and the humidity are observed through the humidity display 52 and the temperature display 53, the value of the pressure sensor is observed, the sensitivity and the stability of the pressure sensor on the temperature and the humidity are evaluated, the first graduated scale 26 and the second graduated scale 31 are used for determining the rotating angle, and the whole working flow of the invention is just above, and the step is repeated when the device is used next time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (2)
1. The utility model provides a wide-range check out test set for pressure sensor, includes detection main part (1) and humiture display module (4), its characterized in that: the environment-adaptive testing device is characterized by further comprising a linearity testing mechanism (2) and an environment-adaptive testing mechanism (3), wherein the linearity testing mechanism (2) is arranged in the detecting main body (1), the environment-adaptive testing mechanism (3) is arranged on the detecting main body (1), and the temperature and humidity display assembly (4) is arranged on the linearity testing mechanism (2); the linearity testing mechanism (2) comprises a linear track adjusting assembly (12), a first direction adjusting assembly (13) and a second direction adjusting assembly (14), wherein the linear track adjusting assembly (12) is arranged in the detection main body (1), the first direction adjusting assembly (13) is arranged on the detection main body (1), and the second direction adjusting assembly (14) is arranged on the linear track adjusting assembly (12); the detection main body (1) comprises a detection table (5), a detection frame (6), a fixing table (7), a first groove (8), threads (9), a first cylinder (10), a fixing plate (11) and a second groove (56), wherein the detection table (5) is arranged at the lower end of the detection main body (1), the detection frame (6) is arranged at the upper end of the detection table (5), the fixing table (7) is rotationally arranged on the detection table (5), the first groove (8) is arranged in the fixing table (7), the second groove (56) is arranged at the inner side and the outer side of the fixing table (7), the first cylinder (10) is arranged at the inner bottom end of the fixing table (7), the fixing plate (11) is arranged at the output end of the first cylinder (10), and the threads (9) are arranged at the inner lower end of the first groove (8). The linear track adjusting assembly (12) comprises a test block (15), an adjusting cavity (16), an arc-shaped chute I (17), a pulley I (18), a moving plate (19) and a pressure source (20), wherein the test block (15) is arranged on the test table (5), the adjusting cavity (16) is arranged in the test block (15), the arc-shaped chute I (17) is arranged in the test block (15), the pulley I (18) is arranged in the arc-shaped chute I (17) in a sliding manner, the moving plate (19) is arranged at the upper end of the pulley I (18), and the pressure source (20) is arranged on the moving plate (19); the first direction adjusting assembly (13) comprises a first motor (21), a first gear (22), a tooth block (23), a second annular chute (24), a sliding block (25), a first graduated scale (26) and a first indicator (27), wherein the second annular chute (24) is arranged in the detection table (5), the sliding block (25) is arranged in the second annular chute (24) in a sliding mode, the lower end of the fixed table (7) is arranged on the sliding block (25), the annular array of the tooth block (23) is arranged on the outer side wall of the fixed table (7), the first motor (21) is arranged on one side of the detection table (5), the first gear (22) is arranged at the output end of the first motor (21), the first gear (22) is meshed and rotated with the tooth block (23) to be connected, the first graduated scale (26) is arranged at the upper end of the detection table (5), and the first indicator (27) is arranged at the lower end of the side wall of the fixed table (7). The second direction adjusting assembly (14) comprises an indication rod (28), a second motor (29), a connecting rod (30), a second graduated scale (31) and a second indication mark (32), wherein the indication rod (28) is arranged at the lower end of the moving plate (19), the second motor (29) is arranged at the upper end of the rear side wall of the test block (15), one end of the connecting rod (30) is arranged at the output end of the second motor (29), the other end of the connecting rod (30) is arranged at the rear end of the indication rod (28), the second indication mark (32) is arranged at the front end of the indication rod (28), and the second graduated scale (31) is arranged at the front end of the test block (15); the environment adaptation testing mechanism (3) comprises an environment stability detection component (33), a magnetic field stability detection component (34) and a magnetic field generation component (35), wherein the environment stability detection component (33) is arranged in the testing block (15), the magnetic field stability detection component (34) is arranged at the upper end of the inside of the detection frame (6), and the magnetic field generation component (35) is arranged at the lower end of the magnetic field stability detection component (34); the environment stability detection assembly (33) comprises an atomizer (38), an output pipe (39), a fan (40) and heating wires (41), wherein the atomizer (38) is arranged on two sides of a test block (15), one end of the output pipe (39) is arranged at the output end of the atomizer (38) in a penetrating mode, the other end of the output pipe (39) is arranged in the adjusting cavity (16), the fan (40) is arranged in the output pipe (39), the heating wires (41) are arranged in the output pipe (39), and the heating wires (41) are arranged at the upper end of the fan (40); the magnetic field stability detection assembly (34) comprises a telescopic cylinder II (42), a motor III (43), a detection ring (44), a bottom plate (45), an inner gear ring (46), a sliding groove III (47), a pulley II (48) and a gear II (49), wherein the telescopic cylinder II (42) is arranged at the upper end of the inside of the detection frame (6), the detection ring (44) is arranged at one side of the output end of the telescopic cylinder II (42), the bottom plate (45) is arranged at the upper end of the detection ring (44), the motor III (43) is arranged at the upper end of the bottom plate (45), the gear II (49) is arranged at the output end of the motor III (43), the sliding groove III (47) is arranged in the detection ring (44), the pulley II (48) is arranged in the sliding groove III (47), the outer side of the inner gear ring (46) is arranged at one end of the pulley II (48), and the inner gear ring (46) is meshed and rotatably connected with the gear II (49); the magnetic field generating assembly (35) comprises an electrified magnet (50) and an arc-shaped rod (51), one end of the arc-shaped rod (51) is arranged at the lower end of the gear II (49), and the electrified magnet (50) is arranged at the lower side of the other end of the arc-shaped rod (51).
2. A sensing device for a wide range pressure sensor as set forth in claim 1, wherein: the temperature and humidity display assembly (4) comprises a humidity display (52), a temperature display (53), a temperature sensor (54) and a humidity sensor (55), wherein the temperature sensor (54) is arranged on the left side of the interior of the adjusting cavity (16), the humidity sensor (55) is arranged on the right side of the interior of the adjusting cavity (16), the temperature display (53) is arranged on the left end of the front side of the test block (15), the humidity display (52) is arranged on the right end of the front side of the test block (15), the humidity display (52) is electrically connected with the humidity sensor (55), and the temperature display (53) is electrically connected with the temperature sensor (54).
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| CN202311206815.0A CN116952457B (en) | 2023-09-19 | 2023-09-19 | Detection equipment for wide-range pressure sensor |
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| CN202311206815.0A CN116952457B (en) | 2023-09-19 | 2023-09-19 | Detection equipment for wide-range pressure sensor |
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| CN116952457B true CN116952457B (en) | 2024-02-06 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206258218U (en) * | 2016-12-01 | 2017-06-16 | 保定天威保变电气股份有限公司 | A kind of pressure sensor test device |
| CN107664556A (en) * | 2017-09-27 | 2018-02-06 | 铜陵海源超微粉体有限公司 | A kind of test device of pressure sensor temperature characteristic |
| CN108519193A (en) * | 2018-06-08 | 2018-09-11 | 北京市计量检测科学研究院 | A kind of pressure measurement utensil calibrating environment test device |
| CN111562050A (en) * | 2020-05-13 | 2020-08-21 | 湖北三江航天红林探控有限公司 | Pressure sensor linearity calibrating device and method |
| CN114486065A (en) * | 2022-01-28 | 2022-05-13 | 厦门大学 | Calibration testing device of programmable two-degree-of-freedom universal flexible pressure sensor |
| CN116412959A (en) * | 2023-03-08 | 2023-07-11 | 华南师范大学 | Pressure self-calibration and calibration system based on deep learning piecewise linearization |
-
2023
- 2023-09-19 CN CN202311206815.0A patent/CN116952457B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206258218U (en) * | 2016-12-01 | 2017-06-16 | 保定天威保变电气股份有限公司 | A kind of pressure sensor test device |
| CN107664556A (en) * | 2017-09-27 | 2018-02-06 | 铜陵海源超微粉体有限公司 | A kind of test device of pressure sensor temperature characteristic |
| CN108519193A (en) * | 2018-06-08 | 2018-09-11 | 北京市计量检测科学研究院 | A kind of pressure measurement utensil calibrating environment test device |
| CN111562050A (en) * | 2020-05-13 | 2020-08-21 | 湖北三江航天红林探控有限公司 | Pressure sensor linearity calibrating device and method |
| CN114486065A (en) * | 2022-01-28 | 2022-05-13 | 厦门大学 | Calibration testing device of programmable two-degree-of-freedom universal flexible pressure sensor |
| CN116412959A (en) * | 2023-03-08 | 2023-07-11 | 华南师范大学 | Pressure self-calibration and calibration system based on deep learning piecewise linearization |
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