CN113654724A - Precision detection device for pressure sensor production - Google Patents
Precision detection device for pressure sensor production Download PDFInfo
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- CN113654724A CN113654724A CN202110867875.1A CN202110867875A CN113654724A CN 113654724 A CN113654724 A CN 113654724A CN 202110867875 A CN202110867875 A CN 202110867875A CN 113654724 A CN113654724 A CN 113654724A
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- sliding
- plate
- groove
- pressure sensor
- springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
According to the precision detection device for the production of the pressure sensor, the two connecting plates can rotate through the rolling contact of the supporting plate and the two rollers with the inner wall of the bottom of the placing groove, the plurality of first springs and the two third springs can be extruded, the two fourth springs can be stretched, and the elastic deformation of the second springs, the third springs and the fourth springs is used for buffering, so that a good buffering effect is achieved, the damage to the pressure sensor caused by overlarge pressure is avoided, and the service life of the pressure sensor is prolonged; through the motor, the meshing transmission of worm and worm wheel to and the meshing transmission of incomplete gear and rack, drive and place board intermittent type nature and move right, in order to do benefit to pressure sensor's fixed, and can carry out the precision detection to a plurality of pressure sensor in succession, work efficiency is high.
Description
Technical Field
The invention relates to the technical field of pressure sensors, in particular to a precision detection device for pressure sensor production.
Background
The pressure sensor is the most common sensor in industrial practice, and the output of a common pressure sensor is an analog signal, which means that the information parameter appears as a continuous signal in a given range. Or in a continuous time interval, the characteristic quantity representing the information may be present as a signal of any value at any instant. While the pressure sensors that we commonly use are mainly manufactured using the piezoelectric effect, such sensors are also referred to as piezoelectric sensors. Piezoelectric sensors are mainly used in measurements of acceleration, pressure, force, and the like. Piezoelectric acceleration sensors are a common type of accelerometer. The novel LED lamp has the excellent characteristics of simple structure, small volume, light weight, long service life and the like. Piezoelectric acceleration sensors have been widely used in vibration and shock measurement of airplanes, automobiles, ships, bridges and buildings, and have been particularly positioned in the fields of aviation and aerospace. Piezoelectric sensors can also be used to measure combustion pressure and vacuum within the engine. It can also be used in the military industry, for example, to measure the change in bore pressure and the shockwave pressure at the muzzle at the instant a firearm round is fired in the bore. It can be used to measure both large and small pressures. The invention discloses a precision detection device for pressure sensor production, which comprises a bottom plate, supporting legs, a mounting groove, a pressure controller, a supporting frame and a pressure applying mechanism, wherein the pressure applying mechanism is arranged and controls the extension force of a piston rod of an air cylinder in a pneumatic mode, a pressure gauge is arranged on the air cylinder and detects the pressure in the air cylinder, the precision of the pressure sensor is tested by calculating the value on the pressure gauge and the verticality of the pressure sensor under the pressure, a reversing valve is arranged on the right side of the air cylinder and controls the air intake and exhaust of the air cylinder, the expansion and contraction of the piston rod in the air cylinder are conveniently controlled, the numerical precision of the pressure sensor under different pressures is controlled by controlling the pressure in the air cylinder, the pressure sensor is convenient to carry out precision detection, the operation is convenient, and the automation effect of the detection device is improved.
The design has the defects that the progress detection of the pressure sensor cannot be continuously carried out, and the working efficiency is low, so that the precision detection device for producing the pressure sensor is provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the precision detection device for the production of the pressure sensor, which has the advantages of simple structure, high efficiency and strong practicability.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the precision detection device for the production of the pressure sensor comprises a hollow shell, wherein an air cylinder is fixedly mounted on the inner wall of the top of the shell, a pressing plate is fixedly connected to one end, away from the body of the air cylinder, of a piston rod of the air cylinder, a pressure controller is arranged on the inner wall of one side of the shell, a sliding groove is formed in the inner wall of the bottom of the shell, a placing plate is connected onto the sliding groove in a sliding mode, a plurality of placing grooves are formed in the top of the placing plate, sliding plates are fixedly welded to the bottom of the placing plate, and the sliding plates are connected into the sliding groove in a sliding mode;
a groove is formed in the inner wall of the bottom of the sliding groove, a motor is fixedly mounted on the inner wall of the bottom of the groove, a worm is fixedly connected to an output shaft of the motor, a worm wheel is rotatably mounted in the groove and meshed with the worm wheel, an incomplete gear is fixedly mounted on the rear side of the worm wheel, a rack is fixedly mounted at the bottom of the sliding plate, and the incomplete gear is meshed with the rack;
connecting grooves are formed in the inner walls of the two sides of the placing groove, transversely arranged sliding rods are connected in the two connecting grooves in a sliding mode, first springs are arranged at the ends, away from each other, of the two sliding rods, the ends, away from each other, of the two first springs are fixedly connected to the inner walls of the corresponding connecting grooves, and the ends, close to each other, of the two sliding rods extend into the placing groove and are respectively and fixedly provided with clamping plates;
a supporting plate positioned below the clamping plate is connected in the placing groove in a sliding mode, the bottom of the supporting plate is fixedly connected with a plurality of second springs, and one ends, far away from the supporting plate, of the second springs are fixedly connected to the inner wall of the bottom of the placing groove; the left side and the right side of the bottom of the supporting plate are respectively and rotatably provided with a connecting plate, the front sides of the two connecting plates are respectively and rotatably provided with a roller, and the two rollers are respectively and rotatably connected to the inner wall of the bottom of the placing groove; the left side and the right side of the bottom of the supporting plate are respectively and fixedly provided with an arc-shaped rod; the connecting plate positioned on the left side is sleeved on the outer side of the arc-shaped rod on the left side in a sliding manner, and the connecting plate positioned on the right side is sleeved on the outer side of the arc-shaped rod on the right side in a sliding manner;
the third spring and the fourth spring are respectively movably sleeved at the outer sides of the left end and the right end of the arc-shaped rod; and one ends of the third spring and the fourth spring, which are close to the supporting plate, are respectively and fixedly connected to the supporting plate, and one ends of the third spring and the fourth spring, which are far away from the supporting plate, are respectively and fixedly connected to the connecting plate.
Further, as one preferable mode of the present invention, the cylinder is electrically connected to the pressure controller through a wire, so as to control the pressure conveniently.
Furthermore, as one preferable mode of the present invention, the inner walls of both sides of the sliding groove are fixedly connected with a limiting rod which limits the placing plate.
Furthermore, as one of the preferable modes of the invention, a limiting groove is formed on the inner wall of the connecting groove, a limiting block is fixedly installed on the outer side of the sliding rod, and the limiting block is connected in the limiting groove in a sliding manner.
Further, in a preferred embodiment of the present invention, the clamping plates are arranged in a trapezoidal shape.
Further, as one preferable mode of the present invention, a rotating shaft is rotatably installed in the groove, and the worm wheel and the incomplete gear are both fixedly sleeved on the outer side of the rotating shaft.
Further, as one preferable mode of the present invention, sliding grooves are formed on both inner walls of the placing groove, and the support plate is slidably connected in the two sliding grooves.
Further, as one preferable mode of the present invention, a fixed shaft is fixedly welded to a front side of the connecting plate, and the roller is rotatably sleeved on an outer side of the fixed shaft.
According to the precision detection device for the production of the pressure sensor, the two connecting plates can rotate through the rolling contact of the supporting plate and the two rollers with the inner wall of the bottom of the placing groove, the plurality of first springs and the two third springs can be extruded, the two fourth springs can be stretched, and the elastic deformation of the second springs, the third springs and the fourth springs is used for buffering, so that a good buffering effect is achieved, the damage to the pressure sensor caused by overlarge pressure is avoided, and the service life of the pressure sensor is prolonged.
According to the precision detection device for pressure sensor production, the placing plate is driven to intermittently move rightwards through the meshing transmission of the motor, the worm and the worm wheel and the meshing transmission of the incomplete gear and the rack, so that the pressure sensors can be fixed conveniently, the precision detection can be continuously performed on a plurality of pressure sensors, and the working efficiency is high.
The precision detection device for pressure sensor production is reasonable in structural design, facilitates fixing of the pressure sensors, can achieve a buffer protection effect on the pressure sensors in the detection process, avoids damage to the pressure sensors caused by misoperation, can continuously perform precision detection on a plurality of pressure sensors, and is high in working efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an accuracy testing apparatus for pressure sensor production according to the present invention;
FIG. 2 is a cross-sectional view of a precision detecting device for pressure sensor production according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is an enlarged view of portion C of FIG. 3;
reference numerals: 1. a housing; 2. a cylinder; 3. pressing a plate; 4. a pressure controller; 5. placing the plate; 6. a chute; 7. a slide plate; 8. a placement groove; 9. connecting grooves; 10. a slide bar; 11. a first spring; 12. a splint; 13. a groove; 14. a motor; 15. a worm; 16. a worm gear; 17. an incomplete gear; 18. a rack; 19. a sliding groove; 20. a support plate; 21. a second spring; 22. a connecting plate; 23. a roller; 24. an arcuate bar; 25. a third spring; 26. and a fourth spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 5 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
In the description of the present application, it is to be understood that the terms "vertical," "lateral," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention in any way.
As shown in fig. 1 to 5, an accuracy detection device for pressure sensor production includes a hollow housing 1, a cylinder 2 is fixedly mounted on an inner wall of a top portion of the housing 1, a pressing plate 3 is fixedly connected to one end, away from a body of the cylinder 2, of a piston rod of the cylinder 2, a pressure controller 4 is arranged on an inner wall of one side of the housing 1, a chute 6 is formed in an inner wall of a bottom portion of the housing 1, a placing plate 5 is slidably connected to the chute 6, a plurality of placing grooves 8 are formed in a top portion of the placing plate 5, a sliding plate 7 is fixedly welded to a bottom portion of the placing plate 5, and the sliding plate 7 is slidably connected in the chute 6;
a groove 13 is formed in the inner wall of the bottom of the sliding groove 6, a motor 14 is fixedly mounted on the inner wall of the bottom of the groove 13, a worm 15 is fixedly connected to an output shaft of the motor 14, a worm wheel 16 is rotatably mounted in the groove 13, the worm 15 is meshed with the worm wheel 16, an incomplete gear 17 is fixedly mounted on the rear side of the worm wheel 16, a rack 18 is fixedly mounted at the bottom of the sliding plate 7, and the incomplete gear 17 is meshed with the rack 18;
connecting grooves 9 are formed in the inner walls of the two sides of the placing groove 8, sliding rods 10 which are transversely arranged are connected in the two connecting grooves 9 in a sliding mode, first springs 11 are arranged at the ends, far away from each other, of the two sliding rods 10, the ends, far away from each other, of the two first springs 11 are fixedly connected to the inner walls of the corresponding connecting grooves 9, and the ends, close to each other, of the two sliding rods 10 extend into the placing groove 8 and are respectively and fixedly provided with clamping plates 12;
a supporting plate 20 positioned below the clamping plate 12 is slidably connected in the placing groove 8, a plurality of second springs 21 are fixedly connected to the bottom of the supporting plate 20, and one ends of the second springs 21 far away from the supporting plate 20 are fixedly connected to the inner wall of the bottom of the placing groove 8; the left side and the right side of the bottom of the supporting plate 20 are respectively and rotatably provided with a connecting plate 22, the front sides of the two connecting plates 22 are respectively and rotatably provided with a roller 23, and the two rollers 23 are respectively and rotatably connected to the inner wall of the bottom of the placing groove 8; the left side and the right side of the bottom of the support plate 20 are respectively and fixedly provided with an arc-shaped rod 24; the connecting plate 22 positioned on the left side is sleeved on the outer side of the arc-shaped rod 24 on the left side in a sliding manner, and the connecting plate 22 positioned on the right side is sleeved on the outer side of the arc-shaped rod 24 on the right side in a sliding manner;
the arc-shaped rod 24 is provided with a third spring 25 and a fourth spring 26, and the third spring 25 and the fourth spring 26 are respectively movably sleeved on the outer sides of the left end and the right end of the arc-shaped rod 24; the ends of the third spring 25 and the fourth spring 26 close to the support plate 20 are respectively fixedly connected to the support plate 20, and the ends far away from the support plate 20 are respectively fixedly connected to the connecting plate 22.
Further, as one preferable mode of the present embodiment, the cylinder 2 and the pressure controller 4 are electrically connected by a wire.
Further, as one of the preferable modes of this embodiment, the inner walls of the two sides of the sliding groove 6 are fixedly connected with the limiting rods which limit the placing plate 5, so that the placing plate 5 can be prevented from being impacted and damaged, and the service life of the placing plate 5 can be prolonged.
Further, as one of the preferred modes of this embodiment, a limiting groove has been seted up on the inner wall of connecting groove 9, the outside fixed mounting of slide bar 10 has the stopper, stopper sliding connection plays limiting displacement to slide bar 10 in the limiting groove.
Further, as one preferable mode of the present embodiment, the clamping plate 12 is disposed in a trapezoidal shape, so as to fix the pressure sensor.
Further, as one of the preferable modes of this embodiment, a rotating shaft is rotatably installed in the groove 13, and the worm wheel 16 and the incomplete gear 17 are both fixedly sleeved on the outer side of the rotating shaft, so that the worm wheel 16 and the incomplete gear 17 are conveniently rotatably installed.
Further, as one of the preferable modes of this embodiment, sliding grooves 19 are formed on the inner walls of both sides of the placing groove 8, and the supporting plate 20 is slidably connected in the two sliding grooves 19, so as to be conveniently slidably connected with the supporting plate 20.
Further, as one of the preferable modes of this embodiment, a fixed shaft is fixedly welded to the front side of the connecting plate 22, and the roller 23 is rotatably sleeved on the outer side of the fixed shaft, so as to be slidably connected to the supporting plate 20.
The working principle of the precision detection device for pressure sensor production provided by the invention is as follows: a plurality of pressure sensors are fixed in the corresponding placing grooves 8, the clamping plates 12 and the first springs 11 can elastically deform, and the pressing plates 3 can move downwards under the driving of the pressure controllers 4 and the air cylinders 2 to tightly press the pressure sensors for precision detection; the supporting plate 20 can be extruded to move downwards during detection, the plurality of second springs 21 can be extruded, in addition, the two connecting plates 22 can rotate through the rolling contact of the two rollers 23 and the inner wall of the bottom of the placing groove 8, the two third springs 25 can be extruded, and the two fourth springs 26 can be stretched, so that the buffering is performed through the elastic deformation of the second springs 21, the third springs 25 and the fourth springs 26, a good buffering effect is achieved, and the damage of the pressure sensor caused by overlarge pressure is avoided; the placing plate 5 can be driven to move through the meshing transmission of the motor 14, the worm 15 and the worm wheel 16 and the meshing transmission of the incomplete gear 17 and the rack 18, so that the accuracy detection of the continuity of the plurality of pressure sensors is carried out, and the working efficiency is high.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The precision detection device for the production of the pressure sensor comprises a hollow shell (1) and is characterized in that an air cylinder (2) is fixedly mounted on the inner wall of the top of the shell (1), a pressing plate (3) is fixedly connected to one end, far away from the body of the air cylinder (2), of a piston rod of the air cylinder (2), a pressure controller (4) is arranged on the inner wall of one side of the shell (1), a sliding groove (6) is formed in the inner wall of the bottom of the shell (1), a placing plate (5) is connected onto the sliding groove (6) in a sliding mode, a plurality of placing grooves (8) are formed in the top of the placing plate (5), a sliding plate (7) is fixedly welded to the bottom of the placing plate (5), and the sliding plate (7) is connected into the sliding groove (6) in a sliding mode;
a groove (13) is formed in the inner wall of the bottom of the sliding groove (6), a motor (14) is fixedly mounted on the inner wall of the bottom of the groove (13), a worm (15) is fixedly connected to an output shaft of the motor (14), a worm wheel (16) is rotatably mounted in the groove (13), the worm (15) is meshed with the worm wheel (16), an incomplete gear (17) is fixedly mounted on the rear side of the worm wheel (16), a rack (18) is fixedly mounted at the bottom of the sliding plate (7), and the incomplete gear (17) is meshed with the rack (18);
connecting grooves (9) are formed in the inner walls of the two sides of the placing groove (8), transversely arranged sliding rods (10) are connected in the two connecting grooves (9) in a sliding mode, first springs (11) are arranged at the ends, far away from each other, of the two sliding rods (10), the ends, far away from each other, of the two first springs (11) are fixedly connected to the inner walls of the corresponding connecting grooves (9), and the ends, close to each other, of the two sliding rods (10) extend into the placing groove (8) and are respectively and fixedly provided with clamping plates (12);
a supporting plate (20) positioned below the clamping plate (12) is connected in the placing groove (8) in a sliding mode, the bottom of the supporting plate (20) is fixedly connected with a plurality of second springs (21), and one ends, far away from the supporting plate (20), of the second springs (21) are fixedly connected to the inner wall of the bottom of the placing groove (8); the left side and the right side of the bottom of the supporting plate (20) are respectively and rotatably provided with a connecting plate (22), the front sides of the two connecting plates (22) are respectively and rotatably provided with a roller (23), and the two rollers (23) are respectively and rotatably connected to the inner wall of the bottom of the placing groove (8); the left side and the right side of the bottom of the supporting plate (20) are respectively and fixedly provided with an arc-shaped rod (24); the connecting plate (22) positioned on the left side is sleeved on the outer side of the arc-shaped rod (24) on the left side in a sliding manner, and the connecting plate (22) positioned on the right side is sleeved on the outer side of the arc-shaped rod (24) on the right side in a sliding manner;
the arc-shaped rod (24) is provided with a third spring (25) and a fourth spring (26), and the third spring (25) and the fourth spring (26) are respectively movably sleeved at the outer sides of the left end and the right end of the arc-shaped rod (24); one ends of the third spring (25) and the fourth spring (26) close to the support plate (20) are respectively and fixedly connected to the support plate (20), and the other ends far away from the support plate (20) are respectively and fixedly connected to the connecting plate (22).
2. The precision detection device for pressure sensor production according to claim 1, wherein the cylinder (2) and the pressure controller (4) are electrically connected through a wire.
3. The precision detection device for pressure sensor production according to claim 1, wherein a limiting rod for limiting the placing plate (5) is fixedly connected to the inner walls of the two sides of the sliding groove (6).
4. The precision detection device for pressure sensor production according to claim 1, wherein a limiting groove is formed on the inner wall of the connecting groove (9), a limiting block is fixedly mounted on the outer side of the sliding rod (10), and the limiting block is slidably connected in the limiting groove.
5. The production accuracy testing device of the pressure sensor as claimed in claim 1, wherein said clamping plate (12) is trapezoidal.
6. The precision detection device for producing the pressure sensor is characterized in that the groove (13) is rotatably provided with a rotating shaft, and the worm wheel (16) and the incomplete gear (17) are fixedly sleeved outside the rotating shaft.
7. The precision detection device for producing the pressure sensor is characterized in that sliding grooves (19) are formed in the inner walls of the two sides of the placing groove (8), and the support plate (20) is connected in the two sliding grooves (19) in a sliding mode.
8. The precision detection device for producing the pressure sensor is characterized in that a fixed shaft is fixedly welded on the front side of the connecting plate (22), and the roller (23) is rotatably sleeved on the outer side of the fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867875.1A CN113654724A (en) | 2021-07-30 | 2021-07-30 | Precision detection device for pressure sensor production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867875.1A CN113654724A (en) | 2021-07-30 | 2021-07-30 | Precision detection device for pressure sensor production |
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| CN113654724A true CN113654724A (en) | 2021-11-16 |
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| CN202110867875.1A Pending CN113654724A (en) | 2021-07-30 | 2021-07-30 | Precision detection device for pressure sensor production |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989859A (en) * | 2017-05-11 | 2017-07-28 | 新乡学院 | A kind of pressure cell of simulation test with similar mat-erial experiment |
| CN210375520U (en) * | 2019-09-27 | 2020-04-21 | 深圳市骏和高科技有限公司 | Pressure sensor is check out test set in batches |
| CN212871557U (en) * | 2020-08-10 | 2021-04-02 | 苏州达亚电子有限公司 | Pressure sensor with protection mechanism |
| JP6859544B1 (en) * | 2020-01-17 | 2021-04-14 | 東陽漢林伝感器有限公司 | Pressure sensor test device |
| CN213274690U (en) * | 2020-11-16 | 2021-05-25 | 赵佳 | Metering test fixture for pressure sensor |
-
2021
- 2021-07-30 CN CN202110867875.1A patent/CN113654724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989859A (en) * | 2017-05-11 | 2017-07-28 | 新乡学院 | A kind of pressure cell of simulation test with similar mat-erial experiment |
| CN210375520U (en) * | 2019-09-27 | 2020-04-21 | 深圳市骏和高科技有限公司 | Pressure sensor is check out test set in batches |
| JP6859544B1 (en) * | 2020-01-17 | 2021-04-14 | 東陽漢林伝感器有限公司 | Pressure sensor test device |
| CN212871557U (en) * | 2020-08-10 | 2021-04-02 | 苏州达亚电子有限公司 | Pressure sensor with protection mechanism |
| CN213274690U (en) * | 2020-11-16 | 2021-05-25 | 赵佳 | Metering test fixture for pressure sensor |
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