CN110907092A - Pressure sensor detection device - Google Patents
Pressure sensor detection device Download PDFInfo
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- CN110907092A CN110907092A CN202010055149.5A CN202010055149A CN110907092A CN 110907092 A CN110907092 A CN 110907092A CN 202010055149 A CN202010055149 A CN 202010055149A CN 110907092 A CN110907092 A CN 110907092A
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- 238000001514 detection method Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims description 13
- 238000009661 fatigue test Methods 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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Abstract
The invention discloses a pressure sensor detection device which comprises a machine body, wherein a cavity is arranged in the machine body, a second sliding groove is formed in the bottom wall of the cavity, a second rotating cavity is formed in the lower end of the second sliding groove, a third motor is fixedly connected to the rear end wall of the second rotating cavity, the third motor is in power connection with a first transmission shaft which is in rotating connection with the front end wall and the rear end wall of the second rotating cavity, a tray is in sliding fit in the second sliding groove, clamping grooves are symmetrically formed in the upper end wall of the tray, a high-precision pressure sensor is fixedly connected in the clamping groove at the right end, a first rack is fixedly installed at the lower end of the tray, the first rack is meshed with a first gear in the second rotating cavity, and the first gear is fixedly connected with the first transmission shaft.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a pressure sensor detection device.
Background
The pressure sensor is a sensor for converting pressure into an electric signal to be output, is an electric control component, and needs to be tested due to the fact that the sensor is high in requirement and various factors can occur in the manufacturing process to influence the effect of the sensor. Most of test devices on the market only test the precision of the sensor, and the service life of the sensor needs to be additionally performed.
Disclosure of Invention
Aiming at the technical defects, the invention provides a pressure sensor monitoring device which can overcome the defects.
The invention relates to a pressure sensor detection device, which comprises a machine body, wherein a cavity is arranged in the machine body, a second chute is arranged on the bottom wall of the cavity, a second rotating cavity is arranged at the lower end of the second chute, a third motor is fixedly connected to the rear end wall of the second rotating cavity, the third motor is in power connection with a first transmission shaft which is in rotating connection with the front end wall and the rear end wall of the second rotating cavity, a tray is in sliding fit in the second chute, clamping grooves are symmetrically arranged on the upper end wall of the tray, a high-precision pressure sensor is fixedly connected in the clamping groove at the right end, a first rack is fixedly arranged at the lower end of the tray, the first rack is meshed with a first gear in the second rotating cavity, the first gear is fixedly connected with the first transmission shaft, a first movable cavity is arranged on the upper end wall of the cavity, and a first motor is fixedly arranged on the upper, the first motor is in power connection with a screw, the lower end of the screw is in rotary connection with the lower end wall of the first movable cavity, the screw is in threaded connection with a first movable plate in sliding fit with the first movable cavity 11, the first movable plate is fixedly connected with a connecting rod, the lower end of the connecting rod penetrates through a wall body between the cavity and the first movable cavity and extends into the cavity, the lower end of the connecting rod is fixedly connected with a fixed plate, the lower end wall of the fixed plate is symmetrically provided with a plurality of groups of first sliding grooves, the right side of the first movable cavity is provided with a rotary cavity, a fatigue testing device is arranged in the rotary cavity, a worm rotatably connected with the left end wall and the right end wall is arranged in the rotary cavity, the rear side of the worm is meshed with a turbine, the turbine is fixedly connected with a second rotary shaft, the lower end of the second rotary shaft is rotatably connected with the lower, and a transmission device is arranged in the second movable cavity.
Preferably, the fatigue test device include fixed connection in the epaxial cam of second pivot, the cam left end wall is equipped with opening T shape annular left, T shape annular rotates and is connected with the bull stick, bull stick left end fixedly connected with slide bar, slide bar slidable mounting in rotate the chamber with wall body between the cavity and stretch into the cavity, the slide bar lower extreme in fixedly connected with movable block in the cavity, movable block sliding connection fixed block, the fixed block opening is downwards and leave the recess, be equipped with the third spout in the fixed block, the movable block left and right ends in fixedly connected with slider in the third spout, install on the third spout diapire with slider fixed connection's second spring.
Preferably, the transmission device comprises a first belt wheel fixedly connected to the third rotating shaft, the first belt wheel is connected with a second belt wheel through a conveying belt, the second belt wheel is fixedly connected with a third rotating shaft, a third movable cavity is arranged at the lower side of the second movable cavity, the lower end of the third rotating shaft extends into the third movable cavity and is rotationally connected with the wall body between the second movable cavity and the third movable cavity, the third rotating shaft is in splined connection with a spline sleeve in the third movable cavity, the outer wall of the spline sleeve is in rotational connection with a second movable plate in sliding fit with the third movable cavity, the lower end of the spline sleeve is fixedly connected with a friction block, a second transmission shaft which is rotationally connected with the bottom wall is arranged in the third movable cavity, the lower end of the second transmission shaft is in power connection with a second motor, and the upper end of the second transmission shaft is fixedly connected with a friction disc.
Preferably, the upper end of the second movable plate is connected with the upper end wall of the third movable cavity through a plurality of groups of third springs, the lower end of the third movable cavity is connected with the connecting cavity, the lower end of the second movable plate is fixedly connected with a second fixed block, the lower side of the left end of the second movable plate is fixedly connected with a first ejector rod, the lower end of the first ejector rod penetrates through a wall body between the third movable cavity and the cavity and extends into the cavity, the lower end of the first ejector rod is fixedly connected with the upper end wall of the fixed block, the second fixed block is in sliding fit with the connecting cavity, the lower end of the connecting cavity is provided with a fourth rotating shaft which is rotatably connected with the front wall and the rear wall, the fourth rotating shaft is fixedly connected with a rotating disc and a third gear, the rotating disc is connected with the lower end of the second fixed block through a lock chain, the lower end of the third gear is meshed, the right side of the connecting cavity is provided with a hydraulic cavity, the right end of the second rack extends into the first piston plate fixedly connected in the hydraulic cavity, the lower end of the hydraulic cavity is provided with a second piston plate, the left end of the second piston plate is fixedly connected with a second ejector rod, and the left end of the second ejector rod penetrates through the left end wall of the hydraulic cavity and extends into the second chute.
Preferably, sliding fit has the probe in the first spout, first spout roof install with probe fixed connection's first spring, movable block lower extreme end wall sliding fit has the probe.
The beneficial effects are that: this device simple structure, convenient operation can carry out the fatigue test of sensor after carrying out sensitivity test to the sensor, improves work efficiency, protects probe and sensor through the spring, controls the start-up of fatigue test through the removal of tray, guarantees through having the fixed block of under shed that other circumstances can not appear in the fatigue test process and influence the result.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pressure sensor detecting device according to the present invention;
fig. 2 is a schematic diagram of a right-view structure of a pressure sensor detection device according to the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-2, for convenience of description, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a pressure sensor detection device, which comprises a machine body 1, wherein a cavity 31 is arranged in the machine body 1, a second sliding chute 9 is arranged on the bottom wall of the cavity 31, a second rotating cavity 57 is arranged at the lower end of the second sliding chute 9, a third motor 32 is fixedly connected on the rear end wall of the second rotating cavity 57, the third motor 32 is in power connection with a first transmission shaft 30 which is in rotating connection with the front end wall and the rear end wall of the second rotating cavity 57, a tray 8 is in sliding fit in the second sliding chute, clamping grooves 56 are symmetrically arranged on the upper end wall of the tray 8, a high-precision pressure sensor 28 is fixedly connected in the clamping groove 56 at the right end, a first rack 27 is fixedly arranged at the lower end of the tray 8, the first rack 27 is internally engaged with a first gear 29 in the second rotating cavity 57, the first gear 29 is fixedly connected with the first transmission shaft 30, a first movable cavity 11 is arranged on the upper, the upper end wall of the first movable cavity 11 is fixedly provided with a first motor 12, the first motor 12 is in power connection with a screw rod 2, the lower end of the screw rod 2 is connected with the lower end wall of the first movable cavity 11 in a rotating manner, the screw rod 2 is in threaded connection with a first movable plate 10 in sliding fit with the first movable cavity 11, the first movable plate 10 is fixedly connected with a connecting rod 3, the lower end of the connecting rod 3 penetrates through a wall body between the cavity 31 and the first movable cavity 11 and extends into the cavity 31, the lower end of the connecting rod 3 is fixedly connected with a fixed plate 6, the lower end wall of the fixed plate 6 is symmetrically provided with a plurality of groups of first sliding grooves 4, the right side of the first movable cavity 11 is provided with a rotating cavity 17, a fatigue testing device is arranged in the rotating cavity 17, worms 34 rotatably connected with the left end wall and the right end wall are arranged in the rotating cavity 17, turbine 38 fixedly connected with second pivot 35, second pivot 35 lower extreme rotates and connects rotate chamber 17 lower extreme wall, it is connected with second activity chamber 41 to rotate chamber 17 lower extreme rear side, be equipped with transmission in the second activity chamber 41.
Beneficially, the fatigue testing device includes cam 16 fixedly connected to second pivot 34, cam 16 left end wall is equipped with the left-handed T-shaped ring groove 15, T-shaped ring groove 15 is connected with bull stick 14 in the rotation, bull stick 14 left end fixedly connected with slide bar 13, slide bar 13 slidable mounting in rotate the chamber 17 with wall body between the cavity 31 and stretch into the cavity 31, slide bar 13 lower extreme in fixedly connected with movable block 33 in the cavity 31, movable block 33 sliding connection fixed block 21, fixed block 21 opening is downward and leaves the recess, be equipped with third spout 58 in the fixed block 21, the left and right ends of movable block 33 in fixedly connected with slider 20 in the third spout 58, install on the third spout 58 diapire with slider 20 fixed connection's second spring 22.
Advantageously, the transmission device comprises a first belt pulley 39 fixedly connected to the third rotating shaft 35, the first belt pulley 39 is connected to a second belt pulley 42 through a belt 40, the second belt pulley 42 is fixedly connected to a third rotating shaft 43, a third movable cavity 44 is provided at the lower side of the second movable cavity 41, the lower end of the third rotating shaft 43 extends into the third movable cavity 44 and is rotatably connected to the wall between the second movable cavity 41 and the third movable cavity 44, the third rotating shaft 43 is connected to the third movable cavity 44 through a spline sleeve 45, the outer wall of the spline sleeve 45 is rotatably connected to the second movable plate 18 in sliding fit with the third movable cavity 44, a friction block 46 is fixedly connected to the lower end of the spline sleeve 45, a second transmission shaft 48 rotatably connected to the bottom wall is provided in the third movable cavity 44, and the lower end of the second transmission shaft 48 is dynamically connected to a second motor 49, the upper end of the second transmission shaft 48 is fixedly connected with a friction disc 47.
Advantageously, the upper end of the second movable plate 18 is connected to the upper end wall of the third movable chamber 44 through a plurality of sets of third springs 36, the lower end of the third movable chamber 44 is connected to the connecting chamber 37, the lower end of the second movable plate 18 is fixedly connected to a second fixed block 54, the lower side of the left end of the second movable plate 18 is fixedly connected to a first ram 19, the lower end of the first ram 19 passes through the wall body between the third movable chamber 44 and the cavity 33 and extends into the cavity 33, the lower end of the first ram 19 is fixedly connected to the upper end wall of the fixed block 21, the second fixed block 54 is slidably fitted to the connecting chamber 37, the lower end of the connecting chamber 37 is provided with a fourth rotating shaft 51 rotatably connected to the front and rear walls, the fourth rotating shaft 51 is fixedly connected to a rotating disc 50 and a third gear 53, the rotating disc 50 is connected to the lower end of the second fixed block 54 through a locking chain 53, and the lower end of the, the second rack 24 is slidably connected with the bottom wall of the connecting cavity 37, a hydraulic cavity 23 is arranged on the right side of the connecting cavity 37, the right end of the second rack 24 extends into the hydraulic cavity 23 and is fixedly connected with a first piston plate 55, a second piston plate 25 is arranged at the lower end of the hydraulic cavity, the left end of the second piston plate 25 is fixedly connected with a second ejector rod 26, and the left end of the second ejector rod 26 penetrates through the left end wall of the hydraulic cavity 23 and extends into the second sliding groove 9.
Advantageously, a probe 7 is slidably fitted in the first sliding chute 4, a first spring 5 fixedly connected with the probe 7 is mounted on the top wall of the first sliding chute 4, and the probe 7 is slidably fitted on the lower end wall of the movable block 33.
In the initial state, the first movable plate 10 is located at the top of the first movable cavity 11;
the work begins, and the staff will pressure sensor adorns on the draw-in groove 56, first motor 12 starts, first motor 12 drives screw rod 2 rotates, screw rod 2 passes through first fly leaf 10 drives first connecting rod 3 downstream, first connecting rod 3 drives first fixed plate 6 downstream, probe 7 and sensor contact, the probe returns control system with data and compares, first motor 12 reverses, the fixed plate is got back to initial installation.
When the data difference between the sensor and the high-precision sensor 28 satisfies the condition, the third motor 32 is activated, the first transmission shaft 30 drives the first gear 29 to rotate, the first gear 29 drives the tray 8 to move to the right through the first rack 27, when the tray 8 moves to the rightmost end, the third motor 3 is stopped, the tray 8 pushes the second push rod 26 to move to the right, the second push rod 26 drives the second piston plate 25 to move to the right, the first piston plate 55 drives the second rack 24 to move to the left, the second rack 24 drives the fourth rotating shaft 51 to rotate through the fourth gear 52, the fourth rotating shaft 51 drives the rotating disc 50 to rotate and wind the lock chain 53, the lock chain 53 drives the second movable plate 18 to move downwards through the second fixed block 54, and the second movable plate 18 drives the first push rod 19 and the spline sleeve 45 to move downwards, the first ejector rod 19 drives the fixed block 21 to move downwards, the lower end of the fixed block 21 is contacted with the tray 8, the spline sleeve 45 brings the friction blocks 46 into contact with the friction discs 47, the second motor 49 is activated, the second transmission shaft 48 drives the spline sleeve 45 to rotate through the friction disc 47 and the friction block 46, the spline sleeve 45 drives the second belt wheel 45 to rotate through the third rotating shaft 43, the second belt wheel 45 drives the first belt wheel 39 to rotate through the transmission belt 40, the first belt wheel 39 drives the turbine 38 to rotate through the third rotating shaft 35, the worm wheel 38 drives the cam 16 to rotate through the worm 34, the cam 16 drives the sliding rod 13 to move up and down through the first rotating rod 14, the sliding rod 13 drives the movable block 33 to move up and down, and the probe 7 is repeatedly contacted with the sensor along with the movable block 33.
After the work is finished, the second motor 49 stops rotating, the third motor 32 rotates reversely, the tray 8 moves leftwards and returns to the initial position, the third spring 36 drives the second movable plate 18 to move upwards, the second movable plate 18 drives the first ejector rod 19, the second fixed block 54 and the spline sleeve 45 to move upwards, the fixed block 54 drives the turntable 50 to rotate reversely through the lock chain 53, and the second ejector rod 26 returns to the initial position.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. A pressure sensor detection device comprises a machine body, wherein a cavity is arranged in the machine body, a second sliding groove is arranged on the bottom wall of the cavity, a second rotating cavity is arranged at the lower end of the second sliding groove, a third motor is fixedly connected to the rear end wall of the second rotating cavity, the third motor is in power connection with a first transmission shaft which is in rotating connection with the front end wall and the rear end wall of the second rotating cavity, a tray is in sliding fit in the second sliding groove, clamping grooves are symmetrically arranged on the upper end wall of the tray, a high-precision pressure sensor is fixedly connected to the right end of the tray in each clamping groove, a first rack is fixedly arranged at the lower end of the tray, the first rack is meshed with a first gear in the second rotating cavity, the first gear is fixedly connected with the first transmission shaft, a first movable cavity is arranged on the upper end wall of the cavity, a first motor is fixedly arranged on the upper end wall of the first movable, the lower end of the screw is rotationally connected with the lower end wall of the first movable cavity, the screw is in threaded connection with a first movable plate in sliding fit with the first movable cavity 11, the first movable plate is fixedly connected with a connecting rod, the lower end of the connecting rod penetrates through the wall body between the cavity and the first movable cavity and extends into the cavity, the lower end of the connecting rod is fixedly connected with a fixed plate, the lower end wall of the fixed plate is symmetrically provided with a plurality of groups of first chutes, a rotating cavity is arranged on the right side of the first movable cavity, a fatigue testing device is arranged in the rotating cavity, a worm rotatably connected with the left end wall and the right end wall is arranged in the rotating cavity, the rear side of the worm is engaged with a turbine which is fixedly connected with a second rotating shaft, the lower end of the second rotating shaft is rotationally connected with the lower end wall of the rotating cavity, the rear side of the lower end of the rotating cavity is connected with a second movable cavity, and a transmission device is arranged in the second movable cavity.
2. The pressure sensor detecting device according to claim 1, wherein: fatigue test device include fixed connection in the epaxial cam of second pivot, the cam left end wall is equipped with opening T shape annular left, T shape annular rotates and is connected with the bull stick, bull stick left end fixedly connected with slide bar, slide bar slidable mounting in rotate the chamber with wall body between the cavity and stretch into the cavity, the slide bar lower extreme in fixedly connected with movable block in the cavity, the movable block sliding connection fixed block, the fixed block opening is downwards and leave the recess, be equipped with the third spout in the fixed block, the movable block left and right sides end in fixedly connected with slider in the third spout, install on the third spout diapire with slider fixed connection's second spring.
3. The pressure sensor detecting device according to claim 1, wherein: the transmission device comprises a first belt wheel fixedly connected to the third rotating shaft, the first belt wheel is connected with a second belt wheel through a conveying belt, the second belt wheel is fixedly connected with a third rotating shaft, a third movable cavity is arranged on the lower side of the second movable cavity, the lower end of the third rotating shaft stretches into the third movable cavity and the second movable cavity are rotatably connected with a wall body between the third movable cavity, the third rotating shaft is connected with a spline sleeve through splines in the third movable cavity, the outer wall of the spline sleeve is rotatably connected with a second movable plate in sliding fit with the third movable cavity, a friction block is fixedly connected to the lower end of the spline sleeve, a second transmission shaft connected with the bottom wall in a rotating mode is arranged in the third movable cavity, a second motor is connected with the lower end of the second transmission shaft through power, and a friction disc is fixedly connected to the upper end of the second transmission shaft.
4. The pressure sensor detecting device according to claim 1, wherein: the upper end of the second movable plate is connected with the upper end wall of the third movable cavity through a plurality of groups of third springs, the lower end of the third movable cavity is connected with a connecting cavity, the lower end of the second movable plate is fixedly connected with a second fixed block, the lower side of the left end of the second movable plate is fixedly connected with a first ejector rod, the lower end of the first ejector rod penetrates through a wall body between the third movable cavity and the cavity and extends into the cavity, the lower end of the first ejector rod is fixedly connected with the upper end wall of the fixed block, the second fixed block is in sliding fit with the connecting cavity, the lower end of the connecting cavity is provided with a fourth rotating shaft rotationally connected with the front wall and the rear wall, the fourth rotating shaft is fixedly connected with a rotating disc and a third gear, the rotating disc is connected with the lower end of the second fixed block through a lock chain, the lower end of the third gear is meshed with a second rack, the second rack is, the right end of the second rack extends into the hydraulic cavity and is fixedly connected with the first piston plate, the lower end of the hydraulic cavity is provided with the second piston plate, the left end of the second piston plate is fixedly connected with the second ejector rod, and the left end of the second ejector rod penetrates through the left end wall of the hydraulic cavity and extends into the second sliding groove.
5. The pressure sensor detecting device according to claim 1, wherein: sliding fit has the probe in the first spout, first spout roof install with probe fixed connection's first spring, movable block lower extreme wall sliding fit has the probe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010055149.5A CN110907092B (en) | 2020-01-17 | 2020-01-17 | Pressure sensor detection device |
| JP2020070615A JP6859544B1 (en) | 2020-01-17 | 2020-04-09 | Pressure sensor test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010055149.5A CN110907092B (en) | 2020-01-17 | 2020-01-17 | Pressure sensor detection device |
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| Publication Number | Publication Date |
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| CN110907092A true CN110907092A (en) | 2020-03-24 |
| CN110907092B CN110907092B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010055149.5A Active CN110907092B (en) | 2020-01-17 | 2020-01-17 | Pressure sensor detection device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6859544B1 (en) |
| CN (1) | CN110907092B (en) |
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| CN111272567A (en) * | 2020-03-31 | 2020-06-12 | 福州晋安丁舒基电子科技有限公司 | Novel building material detects device |
| CN111283218A (en) * | 2020-04-14 | 2020-06-16 | 福州鼓楼卓穆尼奥科技有限公司 | Flange turning device |
| CN111289175A (en) * | 2020-04-20 | 2020-06-16 | 东阳汉林传感器有限公司 | Pressure sensor detection device capable of testing service life and limit |
| CN113433504A (en) * | 2021-05-12 | 2021-09-24 | 国网宁夏电力有限公司营销服务中心(国网宁夏电力有限公司计量中心) | Self-adaptive connection device for electric energy meter detection and electric energy meter detection system |
| CN115112288A (en) * | 2022-06-11 | 2022-09-27 | 青岛科麟航空科技有限公司 | Intelligent pressure detection device for automobile turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111272567A (en) * | 2020-03-31 | 2020-06-12 | 福州晋安丁舒基电子科技有限公司 | Novel building material detects device |
| CN111272567B (en) * | 2020-03-31 | 2020-11-10 | 江苏飞博尔新材料科技有限公司 | Building material detection device |
| CN111283218A (en) * | 2020-04-14 | 2020-06-16 | 福州鼓楼卓穆尼奥科技有限公司 | Flange turning device |
| CN111289175A (en) * | 2020-04-20 | 2020-06-16 | 东阳汉林传感器有限公司 | Pressure sensor detection device capable of testing service life and limit |
| CN113433504A (en) * | 2021-05-12 | 2021-09-24 | 国网宁夏电力有限公司营销服务中心(国网宁夏电力有限公司计量中心) | Self-adaptive connection device for electric energy meter detection and electric energy meter detection system |
| CN113433504B (en) * | 2021-05-12 | 2022-05-17 | 国网宁夏电力有限公司营销服务中心(国网宁夏电力有限公司计量中心) | Self-adaptive connection device for electric energy meter detection and electric energy meter detection system |
| CN115112288A (en) * | 2022-06-11 | 2022-09-27 | 青岛科麟航空科技有限公司 | Intelligent pressure detection device for automobile turbine |
| CN116929633A (en) * | 2023-09-19 | 2023-10-24 | 深圳市欧利德仪器仪表有限公司 | Testing device of pressure sensor |
| CN116929633B (en) * | 2023-09-19 | 2023-11-21 | 深圳市欧利德仪器仪表有限公司 | Testing device of pressure sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021113797A (en) | 2021-08-05 |
| JP6859544B1 (en) | 2021-04-14 |
| CN110907092B (en) | 2020-10-27 |
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