CN109100084A - One kind being used for pressure sensor quality detection apparatus - Google Patents
One kind being used for pressure sensor quality detection apparatus Download PDFInfo
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- CN109100084A CN109100084A CN201811264714.8A CN201811264714A CN109100084A CN 109100084 A CN109100084 A CN 109100084A CN 201811264714 A CN201811264714 A CN 201811264714A CN 109100084 A CN109100084 A CN 109100084A
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- pressure sensor
- chamber
- slide bar
- detection apparatus
- test
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Classifications
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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
-
- 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
Abstract
The present invention relates to detection technique fields, pressure sensor quality detection apparatus is used for more particularly to one kind, including pedestal, standard component and part to be measured, pedestal top centre is provided with detection case, partition is set at detection case center of inside, partition, which will test, is divided into two test chambers in left and right inside case, the top of two test chambers is provided with placement mouth, the bottom end of two test chambers is provided with sliding slot, sliding slot internal slide is connected with slide bar, the top of slide bar is provided with push plate, the bottom end of slide bar passes through sliding slot and extends to outside, touching block is provided on the side wall of push plate, detection case bottom end is provided with driving chamber, the left and right ends of driving chamber are respectively arranged with cylindrical chamber, telescopic rod is fixedly installed with inside cylindrical chamber, the configuration of the present invention is simple, it is easy to operate, it is able to detect various types of pressure sensors, it is slow with being pressurized Structure is rushed, the integrality for protecting product of high degree avoids product from being destroyed, and has very strong practicability.
Description
Technical field
The present invention relates to detection technique fields, in particular to a kind of to be used for pressure sensor quality detection apparatus.
Background technique
With industrial automation, intelligentized high speed development, pressure sensor is increasingly widely used, automobile, sky
The dosages such as tune, automation equipment, intelligent robot are larger, in order to guarantee pressure sensor quality consistency and necessary precision,
It generally requires to carry out each pressure sensor factory or incoming test.But manual gas (liquid) pressure mode is generally taken to carry out at present
Verification, and hand-kept detection data and computational accuracy.Due to being detected manually, detection device pressure control capability is poor, holds
It is also easy to produce pressure and crosses the case where reconciliation is difficult to pressure stabilizing, detection efficiency is extremely low, and is easy to produce artificial calculating deviation.
A kind of existing pressure sensor automatic checkout equipment uses cylinder to go up and down counterweight mechanism, passes through counterweight mechanism pressure
Compel pressure sensor and pressure sensor performance numerical value is shown on test instrumentation, the automatic inspection of pressure sensor may be implemented
It surveys.
However, the impact of generation is very big, be easy to cause the damage of product due to declining counterweight Washdown type using cylinder
It is bad, and the decline of counterweight Washdown type is generally used for the sensor (500kg or more) of larger weighing, the detection for Miniature Sensor
Precision is not high.
Summary of the invention
In order to achieve the above-mentioned object of the invention, in view of the above technical problems, the present invention provides a kind of for pressure sensor matter
Measure detection device.
Its technical solution is that one kind is used for pressure sensor quality detection apparatus, including pedestal, standard component and part to be measured,
Pedestal top centre is provided with detection case, and partition is set at the detection case center of inside, and the partition will test
It is divided into two test chambers in left and right inside case, the top of two test chambers is provided with placement mouth, the bottom of two test chambers
End is provided with sliding slot, and the sliding slot internal slide is connected with slide bar, and the top of the slide bar is provided with push plate, the slide bar
Bottom end passes through sliding slot and extends to outside；
Touching block is provided on the side wall of the push plate, the detection case bottom end is provided with driving chamber, the driving chamber
Left and right ends are respectively arranged with cylindrical chamber, are fixedly installed with telescopic rod inside the cylindrical chamber, two telescopic rods
Telescopic end is respectively facing two slide bar settings；
Through-hole is offered on the side wall of two test chambers, is symmetrically arranged with pressurizing device at left and right sides of the detection case,
The pressurizing device bottom end, which is fixed by the connecting rod, to be connected on pedestal, and the pressurizing device is internally provided with venting cavity, described
The side of venting cavity is provided with movable chamber, and the movable chamber internal slide is connected with piston rod, and the movable chamber and venting cavity are logical
It crosses venthole to be connected, the pressurizing device top is fixedly installed pressurizer, and the pressurizer is connected with venting cavity, described
Standard component and part to be measured pass through placement mouth respectively and are placed in two test chambers in left and right.Pressurizer can select air pump.
Preferably, two of the left and right sides touching blocks are oppositely arranged.
Preferably, position sensor is arranged in the test chamber internal symmetry of the detection case, and light can be used in position sensor
Dependent sensor or infrared sensor etc. can be determined that the sensor of push plate displacement, the position sensor are arranged in the detection
In cavity, the placements mouth lower part, at the separate partition；
The venting cavity is provided with exhaust outlet far from the side of the movable chamber, the air inlet of connection solenoid valve on the outside of the exhaust outlet
Mouthful, the exhaust outlet of solenoid valve leads to outside；
The position sensor is electrically connected to form control loop by relay and the solenoid valve.
When equipment is in pressurized state, when push plate is started to work, if wherein the push plate of side is by position sensor
Induction, position sensor are opened by the relay driving solenoid valve ipsilateral with it, then the venting cavity of the side starts to deflate, the side
Push plate stop motion.When other side push plate is sensed by its corresponding position sensor, i.e., two position sensors are felt
Should arrive push plate it is in place after, then solenoid valve close.During being somebody's turn to do, pressurizer persistent pressure.By this way, it is ensured that two sides
Push plate after actuation, if there is displacement difference away from, then can side's stop motion, when the two is in same position, just after reforwarding
It is dynamic.By this way, ensure that two side push pedals enter test phase after, displacement and pressurizer air inflow be easier
Match.By position sensor, the accurate of push plate initial position ensure that.
Preferably, it is provided with the driving motor that can drive the telescopic rod stretching motion in the driving chamber room, stretched
Bar includes driving lever and follower lever, and follower lever is socketed on inside driving lever, and follower lever and driving lever are threadedly coupled.It stretches two sides
Bar, driving lever is coaxial, and driving lever is driven by gear set by driving motor and rotated, follower lever, that is, telescopic rod telescopic end.From
Lever is slidably connected by the bottom of box of sliding block and detection case on its body of rod.The lower part of the detection case, its side wall direction
The side of the slide bar is provided with reset switch, which is electrically connected with the driving motor, constitutes control loop.Work as cunning
When bar resets under the promotion of telescopic rod, after slide bar touching changes contact switch, driving motor reversion drives telescopic rod to reset and receives
Contracting.Contact switch or travel switch can be selected in reset switch.
Preferably, trigger mechanism, the trigger mechanism are set on the outside of the gas outlet of the solenoid valve, and the trigger mechanism is set
The fixed plate on the outside of the solenoid valve vents mouth is set, trigger switch is arranged towards the side of the solenoid valve in the fixed plate,
Plectrum is provided between trigger switch and the gas outlet of the solenoid valve, plectrum upper end hingedly connects with the fixed plate, the other end
For free end, the hinged place of plectrum and fixed plate is provided with torsional spring.Trigger switch can select contact switch.When the present apparatus is tested
After, into device reseting stage, in reseting stage starting, solenoid valve is controlled by control switch and is deflated, because using
Gas pressurized, when solenoid valve vents hole is opened, air-flow impacts the plectrum in trigger mechanism, in the effect of the of short duration impact
Under, trigger switch touch, control driving motor drive telescopic rod movement, stretches out the free end of telescopic rod, push slide bar thus
Push plate is driven to reset.It can guarantee quick pressure releasing in this manner, reduce rapidly the pressure that push plate applies test block, most
Big degree reduces test process to the influence of sensor to be measured.
Preferably, the piston rod of the left and right sides is corresponding with the through-hole of the left and right sides respectively, and the piston rod
Diameter and the diameter of through-hole match.
Preferably, the base exterior is connected with display by conducting wire and pressurized control switchs.
Preferably, pressurized control switch is powered with the pressurizer of the left and right sides respectively connects, pressurizer, standard component and
Part to be measured is powered with display connects respectively.
Technical solution provided in an embodiment of the present invention has the benefit that the configuration of the present invention is simple, easy to operate, system
Make at low cost, the quality of various types of pressure sensors can be detected, while passing through two test chambers of setting
Comparison can be standardized to workpiece to be detected, so that workpiece to be detected has accurate data comparison, to complete essence
Quasi- detection.Pass through the setting of sensor, it is ensured that the initial position of push plate is identical, is that last measurement result is more accurate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the slide bar and sliding slot connection structure side view of the embodiment of the present invention.
Fig. 3 is the A partial enlarged view of the embodiment of the present invention.
Fig. 4 is the B partial enlarged view of the embodiment of the present invention.
Wherein, appended drawing reference are as follows: 1, pedestal, 2, detection case, 3, partition, 4, placement mouth, 5, sliding slot, 6, push plate, 7, touching
Block, 8, slide bar, 9, driving chamber, 10, cylindrical chamber, 11, telescopic rod, 13, through-hole, 14, pressurizing device, 15, venting cavity, 16,
Movable chamber, 17, piston rod, 18, venthole, 19, pressurizer, 20, display, 21, pressurized control switch, 22, standard component, 23,
Part to be measured, 24, position sensor, 25, solenoid valve, 26, reset switch, 27, trigger mechanism；271, fixed plate；272, triggering is opened
It closes, 273, plectrum.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.Certainly, described herein specific examples are only used to explain the present invention, is not used to
Limit the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Embodiment 1
Referring to Fig. 1 to Fig. 4, the present invention provides a kind of for pressure sensor quality detection apparatus, including pedestal 1, standard component 22
With part 23 to be measured, 1 top centre of pedestal is provided with detection case 2, and partition 3 is set at 2 center of inside of detection case, and partition 3 will
It is divided into two test chambers in left and right inside detection case 2, the top of two test chambers, which is provided with, places mouth 4, two test chambers
The bottom end of body is provided with sliding slot 5, and 5 internal slide of sliding slot is connected with slide bar 8, and the top of slide bar 8 is provided with push plate 6, slide bar 8
Bottom end passes through sliding slot 5 and extends to outside；
Touching block 7 is provided on the side wall of push plate 6,2 bottom end of detection case is provided with driving chamber 9, drives the left and right ends of chamber 9
It is respectively arranged with cylindrical chamber 10, telescopic rod 11, the telescopic end point of two telescopic rods 11 are fixedly installed with inside cylindrical chamber 10
It is not arranged towards two slide bars 8；
Through-hole 13 is offered on the side wall of two test chambers, the left and right sides of detection case 2 is symmetrically arranged with pressurizing device 14,
14 bottom end of pressurizing device, which is fixed by the connecting rod, to be connected on pedestal 1, and pressurizing device 14 is internally provided with venting cavity 15, venting cavity
15 side is provided with movable chamber 16, and 16 internal slide of movable chamber is connected with piston rod 17, and movable chamber 16 passes through with venting cavity 15
Venthole 18 is connected, and 14 top of pressurizing device is fixedly installed pressurizer 19, and pressurizer 19 is connected with venting cavity 15, standard
Part 22 and part 23 to be measured are placed in two test chambers in left and right by placing mouth 4 respectively.Pressurizer 19 can select air pump.
Two touching blocks 7 of the left and right sides are oppositely arranged.
Position sensor 24 is arranged in the test chamber internal symmetry of detection case 2, and light sensor can be used in position sensor 24
Device or infrared sensor etc. can be determined that the sensor that push plate 6 is displaced, position sensor 24 are arranged in test chamber, place
At 4 lower parts of mouth, separate partition 3；
Venting cavity 15 is provided with exhaust outlet far from the side of movable chamber 16, the air inlet of connection solenoid valve 25, electricity on the outside of exhaust outlet
The exhaust outlet of magnet valve 25 leads to outside；
Position sensor 24 is electrically connected to form control loop by relay and solenoid valve 25.
When equipment is in pressurized state, when push plate 6 is started to work, if wherein the push plate 6 of side is by position sensing
Device 24 incudes, and position sensor 24 is opened by the relay driving solenoid valve 25 ipsilateral with it, then the venting cavity of the side starts
It deflates, 6 stop motion of push plate of the side.When other side push plate 6 is sensed by its corresponding position sensor 24, i.e., two
After position sensor 24 senses that push plate 6 is in place, then solenoid valve 25 is closed.During being somebody's turn to do, 19 persistent pressure of pressurizer.Pass through
Which, it is ensured that the push plate 6 of two sides after actuation, if there is displacement difference away from, then can side's stop motion, at the two
When same position, just continue to move.By this way, two side push pedals 6 be ensure that after entering test phase, be displaced and added
The air inflow of depressor is easier to match.By position sensor 24, the accurate of 6 initial position of push plate ensure that.
The driving motor that can drive 11 stretching motion of telescopic rod is provided in driving chamber 9, telescopic rod 11 includes actively
Bar and follower lever, follower lever are socketed on inside driving lever, and follower lever and driving lever are threadedly coupled.The telescopic rod 11 of two sides, master
Lever is coaxial, and driving lever is driven by gear set by driving motor and rotated, the telescopic end of follower lever, that is, telescopic rod 11.Follower lever is logical
The bottom of box of the sliding block crossed on its body of rod and detection case 2 is slidably connected.The lower part of detection case 2, its side wall are towards the one of slide bar 8
Side is provided with reset switch 26, which is electrically connected with driving motor, constitutes control loop.When slide bar 8 is in telescopic rod
When resetting under 11 promotion, after the touching of slide bar 8 changes contact switch, driving motor reversion drives telescopic rod 11 to reset and shrinks.It resets
The optional contact switch of switch 26 or travel switch.
Trigger mechanism 27, trigger mechanism 27 are set on the outside of the gas outlet of solenoid valve 25, and trigger mechanism 27 is arranged in solenoid valve
Trigger switch 272, trigger switch is arranged towards the side of solenoid valve 25 in fixed plate 271 on the outside of 25 exhaust outlets, fixed plate 271
Plectrum 273 is provided between 272 and the gas outlet of solenoid valve 25,273 upper end of plectrum hingedly connects with fixed plate 271, and the other end is
The hinged place of free end, plectrum 273 and fixed plate 271 is provided with torsional spring.Trigger switch 272 can select contact switch.When this
After device to test, into device reseting stage, in reseting stage starting, solenoid valve 25 is controlled by control switch and is put
Gas, because, when 25 gas vent of solenoid valve is opened, air-flow impacts the plectrum 273 in trigger mechanism 27 using gas pressurized,
Under the action of the of short duration impact, trigger switch 272 is touched, and control driving motor drives telescopic rod 11 to move, and makes telescopic rod 11
Free end is stretched out, and pushes slide bar 8 to drive push plate 6 to reset.It can guarantee quick pressure releasing in this manner, reduce rapidly
The pressure that push plate 6 applies test block reduces test process to the influence of sensor to be measured to the greatest extent.
The piston rod 17 of the left and right sides is corresponding with the through-hole 13 of the left and right sides respectively, and the diameter of piston rod 17 with
The diameter of through-hole 13 matches.
Display 20 and pressurized control switch 21 are connected with by conducting wire outside pedestal 1.
Pressurized control switch 21 respectively with the pressurizer 19 of the left and right sides be powered connect, pressurizer 19, standard component 22 and to
Part 23 is surveyed to connect with the energization of display 20 respectively.
Working principle: the present apparatus is in use, be divided into two working stages, test phase, by standard component 22 and part to be measured 23
It is put into the test chamber of the left and right inside detection case 2 two from placement mouth 4 respectively, so that the sense of standard component 22 and part 23 to be measured
Alignment touching block 7 should be held, rear end is placed by partition 3, and device is connected into power supply, manipulates pressurized control switch 21, left and right two
The pressurizer 19 of side starts pressurization and the venting cavity 15 into pressurizing device 14 is passed through gas, which is passed into from venthole 16
In movable chamber 16, so that piston rod 17 is to 17 pressurizing urges of piston rod to mobile, the final piston rod towards 2 direction of detection case
17 pass through through-hole 13 extends into inside detection case 2, at this time the piston rod 17 of left and right ends pushes respectively at left and right sides of push plate 6 to
Standard component 22 and part to be measured 23 are mobile, and slide bar 8 is moved along sliding slot 5, and telescopic rod 11 is contraction state at this time, pass in position
Under the action of sensor 24, the identical position of two side push pedals, 6 regulation, in this state, two position sensors 24 are all sensed
Push plate 6 is in place, and solenoid valve 25 is closed at this time, and pressurizer 19 is passed through tolerance according to setting.Touching block 7 in final push plate 6 is touched
To the induction end of standard component 22 and part 23 to be measured, final block 7 of touching will squeeze standard component 22 and part 23 to be measured, standard component
22 detect the pressure being subject to part 23 to be measured, and are simultaneously detected standard component 22 and part 23 to be measured by display screen 20
To value show, so that testing staff can intuitively observe the quality state of part 23 to be measured by numerical value.In the shape
Under state, the associated drive mechanism of telescopic rod 11 is not powered.
After having detected, equipment enters reset state.The associated drive mechanism of telescopic rod 11 is powered.It is opened by pressurized control
The reset of 21 control devices is closed, solenoid valve 25 discharges at this time, and the air under pressure in script venting cavity 15 projects, to touch triggering machine
Structure 27 makes telescopic rod 11 push slide bar 8, to make push plate 6 gradually retreat.After slide bar 8 touches reset switch 26, telescopic rod
11 corresponding driving mechanism reversions, the retraction of telescopic rod 11 resets, while reset switch 26 closes solenoid valve 25.
The configuration of the present invention is simple, it is easy to operate, various types of pressure sensors are able to detect, there is the buffering knot that is pressurized
Structure, the integrality for protecting product of high degree, avoids product from being destroyed, and has very strong practicability.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. one kind is used for pressure sensor quality detection apparatus, which is characterized in that including pedestal (1), standard component (22) and to be measured
Part (23), it is characterised in that: pedestal (1) top centre is provided with detection case (2), detection case (2) center of inside
Place is set to partition (3), and the partition (3), which will test, is divided into two test chambers in left and right inside case (2), two test chambers
Top, which is provided with, places mouth (4), and the bottom end of two test chambers is provided with sliding slot (5), and sliding slot (5) internal slide connects
It is connected to slide bar (8), the top of the slide bar (8) is provided with push plate (6), and the bottom end of the slide bar (8) passes through sliding slot (5) and extends to
It is external；
Touching block (7) is provided on the side wall of the push plate (6), detection case (2) bottom end is provided with driving chamber (9), institute
The left and right ends for stating driving chamber (9) are respectively arranged with cylindrical chamber (10), are fixedly installed with inside the cylindrical chamber (10)
Telescopic rod (11), the telescopic end of two telescopic rods (11) are respectively facing two slide bar (8) settings；
It is offered on the side wall of two test chambers through-hole (13), is symmetrically arranged with and adds at left and right sides of the detection case (2)
Pressure device (14), pressurizing device (14) bottom end, which is fixed by the connecting rod, to be connected on pedestal (1), the pressurizing device (14)
It is internally provided with venting cavity (15), the side of the venting cavity (15) is provided with movable chamber (16), and the movable chamber (16) is internal
It slidably connects piston rod (17), the movable chamber (16) is connected with venting cavity (15) by venthole (18), the pressurization
Device (14) top is fixedly installed pressurizer (19), and the pressurizer (19) is connected with venting cavity (15), the standard component
(22) it is placed in two test chambers in left and right by placing mouth (4) respectively with part to be measured (23).
2. according to claim 1 be used for pressure sensor quality detection apparatus, it is characterised in that: two of the left and right sides
The touching block (7) is oppositely arranged.
3. according to claim 1 be used for pressure sensor quality detection apparatus, it is characterised in that: the detection case (2)
Test chamber internal symmetry position sensor (24) are set, the position sensor (24) is arranged in the test chamber,
At placement mouth (4) lower part, separate the partition (3)；
The venting cavity (15) is provided with exhaust outlet far from the side of the movable chamber (16), is connected to electromagnetism on the outside of the exhaust outlet
The exhaust outlet of the air inlet of valve (25), solenoid valve (25) leads to outside；
The position sensor (24) is electrically connected to form control loop by relay and the solenoid valve (25).
4. according to claim 3 be used for pressure sensor quality detection apparatus, it is characterised in that: the driving chamber
(9) driving motor that can drive the telescopic rod (11) stretching motion, lower part, its side of the detection case (2) are provided in
The side of wall towards the slide bar (8) is provided with reset switch (26), which is electrically connected with the driving motor,
Constitute control loop.
5. according to claim 4 be used for pressure sensor quality detection apparatus, it is characterised in that: the solenoid valve (25)
Gas outlet on the outside of trigger mechanism (27) are set, the trigger mechanism (27), the trigger mechanism (27) is arranged in the electromagnetism
Triggering is arranged towards the side of the solenoid valve (25) in fixed plate (271) on the outside of valve (25) exhaust outlet, the fixed plate (271)
It switchs (272), is provided between trigger switch (272) and the gas outlet of the solenoid valve (25) plectrum (273), plectrum (273)
Upper end hingedly connects with the fixed plate (271), and the other end is free end, the hinged place setting of plectrum (273) and fixed plate (271)
There is torsional spring.
6. it is according to claim 1 be used for pressure sensor quality detection apparatus, it is characterised in that: the left and right sides it is described
Piston rod (17) is corresponding with the through-hole of the left and right sides (13) respectively, and the diameter of the piston rod (17) and through-hole (13)
Diameter match.
7. according to claim 1 be used for pressure sensor quality detection apparatus, it is characterised in that: the pedestal (1) is outside
Portion is connected with display (20) and pressurized control switch (21) by conducting wire.
8. according to claim 7 be used for pressure sensor quality detection apparatus, it is characterised in that: the pressurized control is opened
It closes (21) to connect with the pressurizer of the left and right sides (19) energization respectively, pressurizer (19), standard component (22) and part to be measured (23) point
It is not powered and connects with display (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811264714.8A CN109100084B (en) | 2018-10-29 | 2018-10-29 | Quality detection equipment for pressure sensor |
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|---|---|---|---|
| CN201811264714.8A CN109100084B (en) | 2018-10-29 | 2018-10-29 | Quality detection equipment for pressure sensor |
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| CN109100084B CN109100084B (en) | 2020-06-30 |
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| CN110243538A (en) * | 2019-05-29 | 2019-09-17 | 南京容宇仪器仪表有限公司 | A kind of pressure sensor maximum receiving force checking device |
| CN112284610A (en) * | 2020-10-14 | 2021-01-29 | 山东交通学院 | Gas tank for detecting automobile pressure sensor |
| CN113155646A (en) * | 2021-03-26 | 2021-07-23 | 中国飞机强度研究所 | Dynamic impact test device and test method capable of replacing aviation seat belt |
| CN116481709A (en) * | 2023-05-09 | 2023-07-25 | 苏州优简供电子有限公司 | Pressure sensor accuracy detection device |
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| CN110243538A (en) * | 2019-05-29 | 2019-09-17 | 南京容宇仪器仪表有限公司 | A kind of pressure sensor maximum receiving force checking device |
| CN110243538B (en) * | 2019-05-29 | 2021-04-06 | 南京容宇仪器仪表有限公司 | Maximum bearing capacity detection device for pressure sensor |
| CN112284610A (en) * | 2020-10-14 | 2021-01-29 | 山东交通学院 | Gas tank for detecting automobile pressure sensor |
| CN113155646A (en) * | 2021-03-26 | 2021-07-23 | 中国飞机强度研究所 | Dynamic impact test device and test method capable of replacing aviation seat belt |
| CN116481709A (en) * | 2023-05-09 | 2023-07-25 | 苏州优简供电子有限公司 | Pressure sensor accuracy detection device |
| CN116481709B (en) * | 2023-05-09 | 2023-11-17 | 苏州优简供电子有限公司 | Pressure sensor accuracy detection device |
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Inventor after: Zhang Bo Inventor after: Li Fei Inventor after: Liu Ruilong Inventor after: Tao Jianqiang Inventor after: Zhang Lei Inventor after: Liang Qiang Inventor after: Han Jie Inventor after: Chen Ting Inventor before: Zhang Lei Inventor before: Li Fei Inventor before: Liu Ruilong Inventor before: Tao Jianqiang Inventor before: Zhang Bo Inventor before: Liang Qiang Inventor before: Han Jie Inventor before: Chen Ting |