CN203148624U - Tension/pressure integrated sensor calibration device - Google Patents
Tension/pressure integrated sensor calibration device Download PDFInfo
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- CN203148624U CN203148624U CN 201320062557 CN201320062557U CN203148624U CN 203148624 U CN203148624 U CN 203148624U CN 201320062557 CN201320062557 CN 201320062557 CN 201320062557 U CN201320062557 U CN 201320062557U CN 203148624 U CN203148624 U CN 203148624U
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- 238000011088 calibration curve Methods 0.000 description 1
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Abstract
本实用新型涉及一种拉压一体传感器标定装置，包括机架，机架顶部装配有加载机构，加载机构包括驱动装置以及与驱动装置连接的用于输出上下直线运动的执行机构，执行机构包括末端的传力杆，所述传力杆上设有标准压力传感器，传力杆末端装配有用于托持待标定压力传感器的底座，所述底座上方设置有挡板，所述挡板防脱的上下浮动装配在执行机构的传力杆上，所述挡板上固定连接有用于与待标定拉力传感器一端连接的第一接头，第一接头与挡板在该标定装置工作时同步同向传动连接，机架上在底座下方装配有与第一接头对应的第二接头。本实用新型可同时对拉力传感器和压力传感器进行标定，方便快捷，结构简单、提高标定效率。
The utility model relates to a tension-compression integrated sensor calibration device, comprising a frame, the top of which is equipped with a loading mechanism, the loading mechanism includes a driving device and an executive mechanism connected with the driving device for outputting up and down linear motion, the executive mechanism includes a terminal The dowel bar is equipped with a standard pressure sensor, and the end of the dowel bar is equipped with a base for supporting the pressure sensor to be calibrated. A baffle is arranged above the base, and the upper and lower parts of the baffle are anti-loose Floatingly assembled on the dowel rod of the actuator, the baffle is fixedly connected with a first joint for connecting with one end of the tension sensor to be calibrated, and the first joint and the baffle are connected synchronously and in the same direction when the calibration device is working. A second joint corresponding to the first joint is assembled under the base on the frame. The utility model can calibrate the tension sensor and the pressure sensor at the same time, is convenient and fast, has a simple structure and improves the calibration efficiency.
Description
Technical field
The utility model relates to a kind of caliberating device of the pressure for calibration sensor, relates in particular to a kind of pulling and pressing integrated sensor calibration apparatus.
Background technology
Pull pressure sensor is resistance strain type sensor again, is under the jurisdiction of LOAD CELLS series, is a kind of device that physical signalling is changed into measurable electric signal output.Pull pressure sensor is to be intermediary with the elastic body, and the resistance strain gage that is used in the sensor both sides by masterpiece changes its resistance, is the signal of electricity through corresponding circuit conversion again, thereby realizes control.Its advantage is the precision height, and measurement range is wide, and the life-span is long, and is simple in structure, good frequency response.Pull pressure sensor is the critical component of dynameter, so its demarcation is the important step that guarantees equipment precision.
Generally, pull pressure sensor has good static accuracy and dynamic accuracy, the technical indicator of equipment can be satisfied, but when the environment for use of pull pressure sensor in measuring equipment changes (for example: amplifying circuit of analog signal and digital conversion circuit can make signal produce distortion, the interference of feed circuit signal, cable to signal attenuation etc.), deviations such as static line sexual deviation, zero point drift and sensitivity drift can be caused.Therefore must carry out secondary to pull pressure sensor and demarcate to compensate its newly-increased uncertainty, this demarcation under the emulation environment for use is called on-site proving.
The scaling method of pull pressure sensor is that standard value that standard device is produced is as the ruler of tolerance, be input in the sensor to be calibrated, obtain the output quantity of sensor, determine calibration curve by numerical approach then, and compare handle with data after, corresponding relation and its degree of accuracy between just can obtaining input and exporting.
Have now pull pressure sensor is demarcated general employing such as professional equipments such as reference load calibration machine, piston gage, these equipment not only maintenance cost are higher, and usually all can only be to pulling force or pressure transducer a kind of demarcation the wherein, equipment volume is big, there is certain requirement in space to environment for use, can't satisfy great majority and measure the requirement that operating mode is carried out on-site proving; Also have some as comparatively easy pressure calibration facilities such as force measurement counter poises, this equipment also can only be demarcated the wherein a kind of of pulling force or pressure transducer, and this equipment is subjected to man's activity (loading position, load mode etc.) bigger, also is difficult to satisfy the requirement of pull pressure sensor on-site proving.
The utility model content
The purpose of this utility model is to propose a kind of pulling and pressing integrated sensor calibration apparatus that can demarcate pulling force sensor and pressure transducer simultaneously.
For addressing the above problem, the technical solution adopted in the utility model is:
A kind of pulling and pressing integrated sensor calibration apparatus, comprise frame, frame top is equipped with load maintainer, load maintainer comprise drive unit and be connected with drive unit be used for output straight-line topworks up and down, topworks comprises terminal transmission rod, described transmission rod is provided with standard pressure transducer, the transmission rod end is equipped with the base for holding pressure transducer to be calibrated, described base top is provided with baffle plate, fluctuating of described baffle plate anticreep is assemblied on the transmission rod of topworks, fixedly connected first joint that is connected with pulling force sensor one end to be calibrated that is useful on the described baffle plate, first joint and baffle plate are in transmission connection when this caliberating device work synchronously in the same way, in the base fit beneath second joint corresponding with first joint are arranged on the frame.
Described base below is provided with down load plate, and following load plate is fixed together by corresponding bolt and baffle plate, and described first joint fixedly is assemblied in down on the load plate.
Described drive unit comprises servomotor, and topworks is nut screw mechanism, and the nut of this nut screw mechanism cooperates with the motor output shaft key, and transmission rod is made of the screw rod of nut screw mechanism.
Be connected with the scrambler for the rotating speed of control servomotor between described normal pressure loader and the servomotor.
Be evenly distributed on circular arc pad on the pressure transducer to be calibrated being provided with below the described baffle plate be used to the pressure that makes baffle plate.
Described frame is provided with for the bracing frame that supports standard pressure transducer, and support frame as described above is fixedlyed connected with frame.
Also comprise be used to being installed between bracing frame or drive unit and the standard pressure transducer to adjust the cushion block of standard pressure transducer height.
The drive unit of a kind of pulling and pressing integrated sensor calibration apparatus that the utility model proposes drives the topworks's motion that connects on it, the transmission rod of topworks's end drives the base that arranges on it and moves upward, standard pressure transducer and be arranged at baffle plate and base between pressure transducer to be calibrated move upward, thereby make pressure transducer to be calibrated bear pressure on the baffle plate that pressure transducer roof pressure to be calibrated arranges above it, simultaneously baffle plate moves upward and makes pulling force sensor to be calibrated be subjected to pulling force upwards with the transmission rod pulling pulling force sensor to be calibrated fixed thereon that upwards floats.The utility model can be demarcated pulling force sensor and pressure transducer simultaneously, and efficient is demarcated in convenient and swift, simple in structure, raising.
Further, adopt the rotating speed of scrambler control servomotor, make the servomotor loading force accurate, thereby make the stated accuracy height.
Further, the circular arc pad is set below baffle plate, the baffle plate applied pressure is uniformly applied on the pressure transducer to be calibrated.
Further, at the upper and lower sides of standard pressure transducer cushion block is set respectively, can adjusts the position of standard pressure transducer as required, be applicable to that multiple sensors measures, versatility is good.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with the embodiment of accompanying drawing to present embodiment as shown in Figure 1:
Pulling and pressing integrated sensor calibration apparatus, the frame 5 that comprises tower structure, framework soleplate can be fixedly mounted on any base plate, frame top is equipped with load maintainer, load maintainer comprises servomotor 3, servomotor 3 is welded on the electric baseboard 2 and by gib screw and motor setting-up piece 1 and is fixed on the frame back timber, be connected with topworks on the output shaft 4 of servomotor 3, topworks is nut screw mechanism, nut screw mechanism comprises loading nut 6, loading nut 6 is connected with the output shaft of servomotor by interior six square sockets that key is connected on the output shaft of servomotor, interior six square sockets drive the loading nut and rotate with motor output shaft, interior six square sockets can move axially along the output shaft of servomotor, leading screw is and loads the loading screw rod 8 that nut thread is connected, standard pressure transducer 10 is set on the described loading screw rod 8, be connected with the scrambler 23 for the rotating speed of control servomotor between normal pressure loader and the servomotor, loading screw rod end is provided with the base 18 for holding pressure transducer to be calibrated, the base top is provided with baffle plate 24, fluctuating of baffle plate anticreep is assemblied on the loading screw rod, the base below is provided with the following load plate 25 that is connected by bolt 19 with baffle plate, following load plate 25 is provided with first joint 20 that is connected for an end of pulling force sensor to be calibrated towards the frame bottom, frame is provided with for the bracing frame 14 that supports standard pressure transducer, bracing frame is tower structure, bracing frame base plate and framework soleplate welding are fixing, the bracing frame base plate is provided with second joint 22 that is connected for the other end with pulling force sensor 21 to be calibrated, be provided with first between standard pressure transducer 10 and the loading nut 6 and load cushion block 9, load between nut and the first loading cushion block and be provided with loading nut shim 7.
During work, framework soleplate is fixed on the base plate of relevant position by screw, standard pressure transducer is set on the loading screw rod, pressure transducer 17 to be calibrated is sleeved between the baffle plate 24 and base 18 that loads on the screw rod 8, can between pressure transducer 17 to be calibrated and baffle plate 24, pressure-loaded cushion block 16 be set as required, for the pressure of guaranteeing baffle plate evenly is applied on the pressure transducer to be calibrated, circular arc pad 15 can be set between pressure transducer and baffle plate, first joint 20 that arranges respectively on following load plate and the bracing frame base plate and second joint 22 cushion block by pulling force sensor 21 upper and lower sides to be calibrated is fixed on pulling force sensor to be calibrated on the device and makes it be in original state, when needs adjustment criteria pressure transducer position, the second loading cushion block 11 as described in Figure can be set, the 3rd loads cushion block 12 and the 4th loads cushion block 13, guarantee during installation that loading screw rod is in vertical position, regulate each nut and guarantee that each sensor is in original state.Start servomotor, value with standard pressure transducer, be transferred to servomotor by scrambler, the output shaft of servomotor is according to the signal rotation of scrambler output, output shaft drives the loading nut that connects on it and rotates together, the loading screw rod moves upward, distance between the nut that loads nut and pressure transducer to be calibrated below is changed, standard pressure transducer and pressure transducer to be calibrated are exerted pressure, driving baffle plate and following load plate simultaneously moves up, thereby make down the distance between load plate and the bracing frame base plate become big, pulling force sensor to be calibrated is applied pulling force, progressively load and record pressure transducer to be calibrated and pulling force sensor data presented to be calibrated.Pressure transducer to be calibrated and pulling force sensor data presented to be calibrated are output valve, the value of the standard pressure transducer that scrambler shows is input value, after loading is finished, to output valve with input value compares and data are handled the corresponding relation just can draw between input value and the output valve and finished demarcation, after demarcation is finished, two sensors to be calibrated are carried out the position transposing, repeat above step and demarcate, can finish the demarcation of pulling force sensor and pressure transducer so simultaneously.
Drive unit is servomotor in the present embodiment, connect feed screw nut on the servomotor output shaft as topworks, also can adopt pneumatic supply as drive unit in other embodiments, cylinder piston is as topworks, this moment, the pneumatic supply driven plunger moved up and down, and piston rod is as transmission rod.
In the present embodiment by the first loading cushion block and the second loading cushion block, the 3rd loading cushion block and the 4th loading cushion block adjustment criteria pressure transducer position being set both sides respectively up and down in standard pressure transducer, also above loading cushion block can be set in other embodiments, before work, be in original state and keep upper and lower surface and fit in the relevant position as long as can guarantee the standard pressure transducer position, and make and load the nut upper surface and be reserved with the loading screw rod rising space with the output shaft axle head and get final product.
Between standard pressure transducer and servomotor, scrambler is set in the present embodiment, according to the rotating speed of the value of standard pressure transducer control servomotor, but also manual control in other embodiments.
For guaranteeing that the baffle plate applied pressure is evenly distributed on the pressure transducer to be calibrated, between baffle plate and pressure transducer to be calibrated, the circular arc pad is set in the present embodiment, also the circular arc pad can be set in other embodiments.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062557 CN203148624U (en) | 2013-02-04 | 2013-02-04 | Tension/pressure integrated sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062557 CN203148624U (en) | 2013-02-04 | 2013-02-04 | Tension/pressure integrated sensor calibration device |
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| CN203148624U true CN203148624U (en) | 2013-08-21 |
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| CN 201320062557 Expired - Fee Related CN203148624U (en) | 2013-02-04 | 2013-02-04 | Tension/pressure integrated sensor calibration device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148982A (en) * | 2013-02-04 | 2013-06-12 | 河南科技大学 | Calibration device of pull-press integrated sensor |
| CN104000564A (en) * | 2014-05-16 | 2014-08-27 | 上海道生医疗科技有限公司 | Touch force sensor detection device and circuit |
| CN104000565A (en) * | 2014-05-16 | 2014-08-27 | 上海道生医疗科技有限公司 | Radial artery touch force sensor detection device and detection circuit |
| CN108254124A (en) * | 2017-12-20 | 2018-07-06 | 西安航天计量测试研究所 | A kind of portable Force measure utensil field calibration device and method |
| CN109357812A (en) * | 2018-10-22 | 2019-02-19 | 济源市超光传感器系统工程有限公司 | A kind of dual-purpose comparison force measuring machine of simple tension and compression |
| CN112649147A (en) * | 2020-12-12 | 2021-04-13 | 森斯帕普汽车部件(苏州)有限公司 | Vacuum pressure sensor test equipment |
-
2013
- 2013-02-04 CN CN 201320062557 patent/CN203148624U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148982A (en) * | 2013-02-04 | 2013-06-12 | 河南科技大学 | Calibration device of pull-press integrated sensor |
| CN103148982B (en) * | 2013-02-04 | 2015-06-24 | 河南科技大学 | Calibration device of pull-press integrated sensor |
| CN104000564A (en) * | 2014-05-16 | 2014-08-27 | 上海道生医疗科技有限公司 | Touch force sensor detection device and circuit |
| CN104000565A (en) * | 2014-05-16 | 2014-08-27 | 上海道生医疗科技有限公司 | Radial artery touch force sensor detection device and detection circuit |
| CN108254124A (en) * | 2017-12-20 | 2018-07-06 | 西安航天计量测试研究所 | A kind of portable Force measure utensil field calibration device and method |
| CN109357812A (en) * | 2018-10-22 | 2019-02-19 | 济源市超光传感器系统工程有限公司 | A kind of dual-purpose comparison force measuring machine of simple tension and compression |
| CN112649147A (en) * | 2020-12-12 | 2021-04-13 | 森斯帕普汽车部件(苏州)有限公司 | Vacuum pressure sensor test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20160204 |