CN115326284A - Automatic input signal calibration system of pressure transmitter - Google Patents
Automatic input signal calibration system of pressure transmitter Download PDFInfo
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- CN115326284A CN115326284A CN202211080232.3A CN202211080232A CN115326284A CN 115326284 A CN115326284 A CN 115326284A CN 202211080232 A CN202211080232 A CN 202211080232A CN 115326284 A CN115326284 A CN 115326284A
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- 239000011090 solid board Substances 0.000 claims description 15
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- 230000009471 action Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 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
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses an input signal automatic calibration system of a pressure transmitter, which comprises a base, wherein the top of the base is provided with a multi-connection mechanism, the multi-connection mechanism comprises a fixed plate and a connection seat, the bottom of the fixed plate is fixedly connected with the top of the base, the connection seat is arranged at the top of the base, the outer surface of the fixed plate starts to be provided with a chute, the inner surface of the chute is connected with a sliding block in a sliding manner, the outer surface of the sliding block is provided with a limit component, the inner wall of the chute is provided with an embedding groove, the inner surface of the chute is provided with an embedding groove, and the inner surface of the embedding groove is fixedly connected with an embedding plate.
Description
Technical Field
The invention relates to the technical field of industrial automatic control, in particular to an input signal automatic calibration system of a pressure transmitter.
Background
The pressure transmitter is a device for converting pressure into pneumatic signal or electric signal for control and remote transmission, and can convert the physical pressure parameters of gas, liquid and the like sensed by a load cell sensor into standard electric signals (such as 4-20mADC and the like) to be supplied to secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation, and the pressure transmitter needs to be calibrated for input signals after being produced and manufactured.
Through retrieval, in the invention patent with publication number CN106153250B, a system and a method for automatically calibrating an input signal of a pressure transmitter are disclosed, comprising: a signal generating unit for generating a signal according to an instruction of the control unit and inputting the generated signal to the connection unit; the embodiment of the invention can efficiently and accurately automatically calibrate the pressure transmitter mainboard.
Although the calibration system and the calibration method disclosed by the invention improve the calibration precision and reduce the time for calibration, a transmission calibration mode is still adopted, namely, each calibration process only calibrates a single pressure transmitter, so that a preparation process before calibration is caused, the pressure transmitter needs to be repeatedly assembled and disassembled on a calibration station, the time consumed for the preorder of calibration is more, and the overall efficiency of calibration work is reduced, so that the problems need to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic input signal calibration system of a pressure transmitter, which solves the problem that the whole efficiency of the calibration process is reduced because the pressure transmitter needs to be repeatedly assembled and disassembled on the calibration station when the pressure transmitter is calibrated because each calibration process only calibrates a single pressure transmitter when the pressure transmitter is calibrated by using the calibration method of the conventional pressure transmitter calibration system.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a pressure transmitter's input signal automatic calibration system, includes the base, the top of base is provided with many even mechanisms, many even mechanisms are including solid board and even seat, the bottom of solid board and the top fixed connection of base, even the seat sets up the top at the base, the surface of solid board begins to have the spout, the internal surface sliding connection of spout has the slider, the surface of slider is provided with spacing subassembly, the inner wall of spout has been seted up into the caulking groove, the internal surface of spout has been seted up out the caulking groove, the internal surface fixed connection who goes into the caulking groove goes into the panel, the internal surface fixed connection who goes out the caulking groove goes out the panel, the surface of slider respectively with go into the panel and go out the surface swing joint of panel, the external surface fixed connection of solid board has the connector, the input of going into the panel and the output electric connection who links the seat, the output of going out the panel and the input electric connection of connector.
Preferably, the top of the connecting seat is provided with a connecting groove, the bottom of the connecting seat is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with the outer surface of the base, and the top of the connecting seat is provided with a clamping plate.
Preferably, a through clamping groove is formed in the clamping plate, a rubber ring is fixedly connected to the inner surface of the clamping groove, a connecting column is fixedly connected to the bottom of the clamping plate, and the bottom of the connecting column is fixedly connected with the top of the connecting seat.
Preferably, a through groove is formed in the sliding block, a threaded sleeve is arranged on the inner surface of the through groove, a lead screw is connected to the inner wall of the threaded sleeve in a threaded mode, the outer surface of the lead screw is rotatably connected with the inner surface of the sliding groove, and the outer surface of the lead screw is rotatably connected with the inside of the fixed plate in a penetrating mode.
Preferably, one end of the screw rod is fixedly connected with a servo motor through a coupler, the outer surface of the servo motor is fixedly connected with the outer surface of the fixed plate, and the output end of the servo motor is connected with the inner portion of the fixed plate in a penetrating and rotating mode.
Preferably, the limiting assembly comprises a rotary groove and a limiting plate, the rotary groove is formed in the outer surface of the fixed plate, the outer surface of the limiting plate is connected with the inner surface of the rotary groove in a rotating mode, the two sides of the inner wall of the rotary groove are provided with through clamping grooves, one side of each clamping groove is communicated with the inner surface of each sliding groove, the outer surface of the limiting plate is movably connected with the inner surfaces of the clamping grooves and the sliding grooves respectively, and the outer surface of the limiting plate is connected with the outer surface of each sliding block in a clamping mode.
Preferably, the outer surface of the limiting plate is provided with an outer groove, the inner surface of the outer groove is fixedly connected with a pressing plate, the outer surface of the pressing plate is movably connected with the outer surface of the sliding block, the inner part of the limiting plate is provided with a through fixed groove, the inner surface of the fixed groove is fixedly connected with a rotating rod, the outer surface of the rotating rod is rotatably connected with the inner surface of the rotating groove, and the outer surface of the rotating rod is rotatably connected with the inner part of the fixed plate in a penetrating manner.
Preferably, one end of the rotating rod is fixedly connected with a rotating motor through a coupler, the outer surface of the rotating motor is fixedly connected with the outer surface of the fixed plate, and the output end of the rotating motor is connected with the inner portion of the fixed plate in a penetrating and rotating mode.
Advantageous effects
The invention provides an automatic input signal calibration system of a pressure transmitter. Compared with the prior art, the method has the following beneficial effects:
(1) Through setting up many even mechanisms, at first through setting up a plurality of seats even, so that connect a plurality of pressure transmitter, set up the corresponding panel of going into of multiunit simultaneously and go out the panel, and even seat and the connection of going into the panel and the connection of going out panel and connector, communicate through the slider, and the multiunit goes out the panel and the connector is parallelly connected, can carry out a plurality of pressure transmitter in proper order and continuous calibration work, thereby avoid single calibration need load and unload repeatedly, cause consuming time more, reduce the problem of calibration efficiency.
(2) Through setting up seat isotructure even, even the seat carries out preliminary connection stability to pressure transmitter through linking the groove, splint pass through the rubber ring of pressing from both sides inslot portion simultaneously, carry out stability once more to pressure transmitter, and through stabilizing from top to bottom for the holistic stability of pressure transmitter strengthens, and the going on of the calibration work of being convenient for, and through setting up a plurality of seats even, and every calibration flow can carry out a plurality of pressure transmitter's calibration in succession, thereby has avoided the consuming time of loading and unloading repeatedly, and promotes holistic calibration efficiency.
(3) Through setting up structures such as slider, servo motor drives the lead screw and rotates, through the threaded connection of lead screw and swivel nut for the slider is at the inside reciprocating sliding of spout, thereby makes the circuit switch-on of the income panel that the multiunit corresponds and goes out the panel, with the continuous calibration work that carries out a plurality of pressure transmitter, thereby reduces consuming time of preorder work, with promotion calibration efficiency.
(4) Through setting up spacing subassembly, rotate the motor and drive the bull stick and rotate for the limiting plate is followed and is rotated, thereby makes the limiting plate pass through the draw-in groove and gets into inside the spout, carries on spacingly to the kinematic position of slider, can make the accurate position that falls of slider, with to going into the panel and going out the circuit intercommunication of panel, the quick accurate calibration work that carries out every pressure transmitter.
Drawings
FIG. 1 is a perspective view of the external structure of the present invention;
FIG. 2 is an exploded view of the exterior structure of the fixing plate of the present invention;
FIG. 3 is an exploded view of the outer structure of the splint of the present invention;
FIG. 4 is an exploded view of the outer structure of the slider of the present invention;
fig. 5 is an exploded view of the external structure of the stopper plate of the invention.
In the figure: 1. a base; 2. fixing the plate; 3. connecting a base; 31. connecting a groove; 32. connecting plates; 33. a splint; 34. a clamping groove; 35. a rubber ring; 36. connecting the columns; 4. a chute; 5. a slider; 51. a through groove; 52. a threaded sleeve; 53. a screw rod; 54. a servo motor; 6. a limiting component; 61. rotating the groove; 62. a limiting plate; 63. a card slot; 64. an outer tank; 65. pressing a plate; 66. fixing the groove; 67. a rotating rod; 68. rotating the motor; 7. putting the materials into an embedding groove; 8. discharging the caulking groove; 9. inserting the panel; 10. discharging the panel; 11. a connecting head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an input signal automatic calibration system of a pressure transmitter comprises a base 1, wherein the base 1 provides a gravity reduction center and enhances the overall stability, a multi-connection mechanism is arranged at the top of the base 1 and comprises a fixed plate 2 and a connection seat 3, the fixed plate 2 and the connection seat 3 are both made of insulating materials, a connection circuit is arranged inside the connection seat 3, the bottom of the fixed plate 2 is fixedly connected with the top of the base 1, the connection seat 3 is arranged at the top of the base 1, a chute 4 is arranged on the outer surface of the fixed plate 2, a sliding block 5 is connected to the inner surface of the chute 4 in a sliding manner, the sliding block 5 is made of wear-resistant, corrosion-resistant and conductive materials, a limiting component 6 is arranged on the outer surface of the sliding block 5, an embedding groove 7 is formed in the inner wall of the chute 4, an embedding groove 8 is formed in the inner surface of the chute 4, an embedding plate 9 is fixedly connected to the inner surface of the embedding groove 7, and the embedding plate 9 is electrically connected with the connection circuit inside the connection seat 3, the inner surface of the outlet caulking groove 8 is fixedly connected with an outlet panel 10, the inlet panel 9 and the outlet panel 10 are both made of wear-resistant, corrosion-resistant and conductive materials and are correspondingly provided with a plurality of groups, the number of the groups is the same as the number of the connecting seats 3, the outer surface of the sliding block 5 is respectively movably connected with the outer surfaces of the inlet panel 9 and the outlet panel 10, the outer surface of the fixed plate 2 is fixedly connected with a connector 11, the connector 11 can be a lead connecting station or a connecting plug and can be electrically connected with the existing calibration system, a parallel circuit is formed with the outlet panels 10, the input end of the inlet panel 9 is electrically connected with the output end of the connecting seats 3, the output end of the outlet panel 10 is electrically connected with the input end of the connector 11, through the arrangement of the plurality of connecting seats 3, the connection of a plurality of pressure transmitters is facilitated, and the inlet panel 9 and the outlet panel 10 which correspond to each other are arranged at the same time, and the connection of the connecting seat 3 and the embedding plate 9 and the connection of the outgoing plate 10 and the connecting head 11 are communicated through the sliding block 5, and the multiple groups of outgoing plates 10 and the connecting heads 11 are connected in parallel, so that the sequential and continuous calibration work of the multiple pressure transmitters can be carried out, and the problems that the time consumption is more and the calibration efficiency is reduced due to the fact that the multiple pressure transmitters need to be repeatedly assembled and disassembled in a single calibration can be solved.
Even groove 31 has been seted up at the top of seat 3 even, even groove 31 and the holistic link looks adaptation of pressure transmitter, if the mainboard for pressure transmitter of calibration, then change for corresponding link, even the setting of the inside connecting circuit input of seat 3 is even inside groove 31 simultaneously, even the bottom fixedly connected with of seat 3 links board 32, the bottom of linking board 32 is connected with base 1's external fixed surface, the top of seat 3 is provided with splint 33 even, even seat 3 carries out preliminary connection stability to pressure transmitter through linking groove 31.
The through clamping groove 34 is formed in the clamping plate 33, the principle of the clamping groove 34 is the same as that of the connecting groove 31, if the calibrated main plate is a pressure transmitter, the clamping groove 34 is changed into a corresponding shape, the inner surface of the clamping groove 34 is fixedly connected with the rubber ring 35, the rubber ring 35 is used for increasing contact friction, so that the clamping stability is enhanced, and the pressure transmitter is prevented from being damaged, the bottom of the clamping plate 33 is fixedly connected with the connecting column 36, the connecting column 36 can enhance the stability of the clamping plate 33, and a certain space is provided between the clamping plate 33 and the connecting seat 3, the bottom of the connecting column 36 is fixedly connected with the top of the connecting seat 3, the clamping plate 33 passes through the rubber ring 35 in the clamping groove 34, the pressure transmitter is stabilized again, the overall stability of the pressure transmitter is enhanced through up-down stabilization, the calibration work is facilitated, and through the arrangement of the connecting seats 3, each calibration flow can continuously calibrate the plurality of the pressure transmitters, so that the repeated assembly and disassembly are avoided, and the overall calibration efficiency is improved.
The through groove 51 that link up is seted up to slider 5's inside, the internal surface of through groove 51 is provided with swivel nut 52, swivel nut 52 adopts insulating, wear-resisting material to make, and the outside is provided with the ring flange with slider 5 looks fixed connection, the inner wall threaded connection of swivel nut 52 has lead screw 53, the surface of lead screw 53 is connected with the internal surface rotation of spout 4, the surface of lead screw 53 runs through with the inside of solid board 2 and rotates and be connected, the combination of lead screw 53 and swivel nut 52, can play support, direction and limiting displacement to slider 5, still play drive and insulating function simultaneously.
One end of the screw 53 is fixedly connected with a servo motor 54 through a coupler, the servo motor 54 is electrically connected with a control circuit of the calibration system, the outer surface of the servo motor 54 is fixedly connected with the outer surface of the fixed plate 2, the output end of the servo motor 54 is connected with the inner part of the fixed plate 2 in a penetrating and rotating mode, and the servo motor 54 provides driving force for the sliding of the sliding block 5.
The limiting component 6 comprises a rotating groove 61 and a limiting plate 62, the limiting plate 62 is made of a compression-resistant and insulating material, the rotating groove 61 is formed in the outer surface of the fixed plate 2, the outer surface of the limiting plate 62 is rotatably connected with the inner surface of the rotating groove 61, the two sides of the inner wall of the rotating groove 61 are provided with through clamping grooves 63, the inner surface of the clamping groove 63 on one side is communicated with the inner surface of the sliding groove 4, the outer surface of the limiting plate 62 is movably connected with the inner surfaces of the clamping grooves 63 and the sliding groove 4, the outer surface of the limiting plate 62 is clamped with the outer surface of the sliding block 5, the limiting plate 62 enters the sliding groove 4 through the clamping grooves 63, the moving position of the sliding block 5 is limited, the sliding block 5 can be accurately located, the circuit of the embedded plate 9 and the circuit of the embedded plate 10 are communicated, and the calibration work of each pressure transmitter is rapidly and accurately carried out.
The one end of bull stick 67 is passed through shaft coupling fixedly connected with and is rotated motor 68, rotates motor 68 and calibration system's control circuit electric connection, can provide drive power for the rotation of limiting plate 62, rotates the surface of motor 68 and is connected with the outer fixed surface of solid board 2, and the output of rotating motor 68 runs through the rotation with the inside of solid board 2 and is connected.
And those not described in detail in this specification are well within the skill of the art.
When the calibration system works, a pressure transmitter is firstly inserted into the clamping groove 34, the clamping plate 33 is used for stabilizing the pressure transmitter through the clamping groove 34 and the rubber ring 35, then the connecting end of the pressure transmitter is connected with the connecting groove 31 so as to be quickly and stably installed on the connecting seat 3, the operation is repeated, a plurality of pressure transmitters are all connected with the connecting seat 3 on the connecting plate 32, then the connecting head 11 is connected with the existing calibration system through a lead wire, when the calibration is carried out, firstly, the servo motor 54 drives the lead screw 53 to rotate, the lead screw 53 is connected with the screw sleeve 52 through the lead screw 53 in a threaded manner, the sliding block 5 slides in the sliding groove 4 along the lead screw 53, meanwhile, the rotating motor 68 drives the rotating rod 67 to rotate, so that the limiting plate 62 changes positions in the clamping groove 63, the rotating groove 61 and the sliding groove 4, and accordingly, the corresponding limiting plate 62 is positioned on the side edge of the corresponding outgoing panel 10, in the sliding process of the sliding block 5, the sliding block 5 is in contact with the limiting plate 62 and the pressing plate 65, the internal resistance and the current of the pressing plate 65 are changed, after the calibration system receives the changed electric signals, the servo motor 54 stops rotating, the sliding block 5 is accurately, so that the corresponding panel 9 and the circuit is conducted between the corresponding outgoing panel 10, and the corresponding pressure transmitter is continuously calibrated, and the pressure transmitter is sequentially calibrated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An input signal automatic calibration system of a pressure transmitter comprises a base (1), and is characterized in that: the top of base (1) is provided with many even mechanisms, many even mechanisms are including solid board (2) and even seat (3), the bottom of solid board (2) and the top fixed connection of base (1), even seat (3) set up the top at base (1), the surface of solid board (2) begins to have spout (4), the internal surface sliding connection of spout (4) has slider (5), the surface of slider (5) is provided with spacing subassembly (6), caulking groove (7) have been seted up to the inner wall of spout (4), the internal surface of spout (4) has been seted up out caulking groove (8), the internal surface fixed connection that goes into caulking groove (7) goes into panel (9), the internal surface fixed connection that goes out caulking groove (8) goes out panel (10), the surface of slider (5) respectively with go into panel (9) and go out the external surface swing joint of panel (10), the external surface fixed connection of solid board (2) has panel (11), the input of going into panel (9) and the output of even seat (3), the output of going out panel (11) and the input electric connection of connector (11).
2. The system of claim 1, wherein the system further comprises: link the top of seat (3) and seted up even groove (31), the bottom fixedly connected with of seat (3) links board (32), the bottom of linking board (32) is connected with the external fixed surface of base (1), the top of linking seat (3) is provided with splint (33).
3. The system of claim 2, wherein the system further comprises: the inside of splint (33) is seted up and is had a clamp groove (34) that link up, the internal surface fixed connection in clamp groove (34) has rubber ring (35), the bottom fixed connection of splint (33) links post (36), the bottom of linking post (36) and the top fixed connection who links seat (3).
4. The system of claim 1 for automatic calibration of an input signal to a pressure transmitter, wherein: the inside of slider (5) is seted up logical groove (51) that link up, the internal surface that leads to groove (51) is provided with swivel nut (52), the inner wall threaded connection of swivel nut (52) has lead screw (53), the surface of lead screw (53) is connected with the internal surface rotation of spout (4), the surface of lead screw (53) runs through to rotate with the inside of solid board (2) and is connected.
5. The system of claim 4, wherein the system further comprises: one end of the screw rod (53) is fixedly connected with a servo motor (54) through a coupler, the outer surface of the servo motor (54) is fixedly connected with the outer surface of the fixed plate (2), and the output end of the servo motor (54) is connected with the inner portion of the fixed plate (2) in a penetrating and rotating mode.
6. The system of claim 1 for automatic calibration of an input signal to a pressure transmitter, wherein: spacing subassembly (6) are including turn trough (61) and limiting plate (62), the surface at solid board (2) is seted up in turn trough (61), the surface of limiting plate (62) rotates with the internal surface of turn trough (61) to be connected, through-going draw-in groove (63), one side have all been seted up to the both sides of turn trough (61) inner wall the internal surface of draw-in groove (63) is linked together with the internal surface of spout (4), the external surface of limiting plate (62) respectively with the internal surface swing joint of draw-in groove (63) and spout (4), the external surface of limiting plate (62) and the external surface looks joint of slider (5).
7. The system of claim 6, wherein the system further comprises: outer groove (64) have been seted up to the surface of limiting plate (62), interior fixed surface of outer groove (64) is connected with clamp plate (65), the surface of clamp plate (65) and the surface swing joint of slider (5), solid groove (66) that link up have been seted up to the inside of limiting plate (62), the interior fixed surface of solid groove (66) is connected with bull stick (67), the surface of bull stick (67) is connected with the interior surface rotation in commentaries on classics groove (61), the surface of bull stick (67) is connected with the inside through rotation of solid board (2).
8. The system of claim 7, wherein the system further comprises: one end of the rotating rod (67) is fixedly connected with a rotating motor (68) through a coupler, the outer surface of the rotating motor (68) is fixedly connected with the outer surface of the fixed plate (2), and the output end of the rotating motor (68) is connected with the inner portion of the fixed plate (2) in a penetrating and rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211080232.3A CN115326284B (en) | 2022-09-05 | 2022-09-05 | Automatic input signal calibration system of pressure transmitter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211080232.3A CN115326284B (en) | 2022-09-05 | 2022-09-05 | Automatic input signal calibration system of pressure transmitter |
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| CN115326284A true CN115326284A (en) | 2022-11-11 |
| CN115326284B CN115326284B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617893A (en) * | 1984-07-25 | 1986-10-21 | Mannesmann Kienzle Gmbh | Speed limiting system for a motor vehicle including a switch and a method for positioning the switch |
| CN103076510A (en) * | 2012-07-20 | 2013-05-01 | 宁波市鄞州利搏机械有限公司 | Multifunctional sensor batch testing equipment |
| CN211602285U (en) * | 2020-03-17 | 2020-09-29 | 苏州瞬通半导体科技有限公司 | Pressure sensor is calibration circuit in batches |
| CN214149390U (en) * | 2020-12-29 | 2021-09-07 | 浙江力夫传感技术有限公司 | Sensor calibration device |
| CN215639921U (en) * | 2021-08-06 | 2022-01-25 | 黑龙江丹密特医疗科技有限公司 | Precision detection device for pressure sensor machining |
-
2022
- 2022-09-05 CN CN202211080232.3A patent/CN115326284B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617893A (en) * | 1984-07-25 | 1986-10-21 | Mannesmann Kienzle Gmbh | Speed limiting system for a motor vehicle including a switch and a method for positioning the switch |
| CN103076510A (en) * | 2012-07-20 | 2013-05-01 | 宁波市鄞州利搏机械有限公司 | Multifunctional sensor batch testing equipment |
| CN211602285U (en) * | 2020-03-17 | 2020-09-29 | 苏州瞬通半导体科技有限公司 | Pressure sensor is calibration circuit in batches |
| CN214149390U (en) * | 2020-12-29 | 2021-09-07 | 浙江力夫传感技术有限公司 | Sensor calibration device |
| CN215639921U (en) * | 2021-08-06 | 2022-01-25 | 黑龙江丹密特医疗科技有限公司 | Precision detection device for pressure sensor machining |
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| CN115326284B (en) | 2024-03-22 |
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