CN103913270A - Calibration device and operation method thereof - Google Patents
Calibration device and operation method thereof Download PDFInfo
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- CN103913270A CN103913270A CN201310002973.4A CN201310002973A CN103913270A CN 103913270 A CN103913270 A CN 103913270A CN 201310002973 A CN201310002973 A CN 201310002973A CN 103913270 A CN103913270 A CN 103913270A
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- pressure
- calibrating installation
- gearing
- pressure vessel
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Abstract
The invention discloses a calibration device and an operation method thereof. The calibration device comprises a stepping motor, a transmission device, a pressure container, a potential conversion device and a data acquisition module. The stepping motor is connected with the transmission device, the transmission device is connected with the pressure vessel, the transmission device is used for converting a rotational motion of the stepping motor into a rectilinear motion, the pressure container is used for containing a pressure medium, each pressure sensor detects received pressure and outputs an electric signal to the potential conversion device, the potential conversion device is used for converting the electric signals into voltage signals, and the voltage signals are output to the data acquisition module. The invention further provides the operation method for using the calibration device. The calibration device and the operation method thereof solve the automatic calibration problem of high range sensors, and meanwhile, the calibration device further has the advantages of being easy to operate and maintain, low in cost and high in production efficiency.
Description
Technical field
The present invention relates to a kind of calibrating installation, particularly a kind of calibrating installation with and operation method.
Background technology
Along with the acceleration of urbanization, industrialization paces, pressure transducer is in a large amount of being widely used of Industry Control.And in sensor production process, mostly to adopt manually to the manual calibration of single product sensor to the calibration of sensor, and for the calibration of calibration device for high range pressure transducer, people adopt piston gage especially, this method needs a dead lift counterweight, artificial reading and manually calculates, not only inefficiency, labour intensity is large, and consumes a large amount of manpower and materials.
Summary of the invention
The technical problem to be solved in the present invention is the problem that cannot carry out to high-range sensor automatic calibration in order to overcome, provide a kind of calibrating installation with and operation method.
The present invention solves the problems of the technologies described above by following technical proposals:
A kind of calibrating installation, this calibrating installation comprises a stepper motor, a gearing, a pressure vessel, a current potential converting means and a data acquisition module; This stepper motor is connected with this gearing, and this gearing is connected with this pressure vessel.
This gearing is for being converted to a rectilinear motion by the single-revolution motion of this stepper motor.
This pressure vessel is used for loading a pressure medium, this pressure vessel has an erection joint, this erection joint is connected with at least one pressure transducer, this gearing pushes this pressure vessel by this rectilinear motion the volume of this pressure vessel is changed, this erection joint is for passing to each pressure transducer by a pressure, each pressure transducer according to this Output pressure one electric signal to this current potential converting means.
This pressure vessel is a known equipment, this pressure vessel also comprises a high-voltage tube and an erection joint, this erection joint comprises a film, this pressure vessel one end is subject to the extruding of this gearing, the other end and this high-voltage tube UNICOM, this pressure medium in this pressure vessel can enter this high-voltage tube, the other end of this high-voltage tube is connected with this erection joint, this erection joint is accepted face by this film with the pressure of pressure transducer and is connected, when this pressure medium is subject to this pressure, the pressure that this pressure can pass to each pressure transducer by this pressure by this film of this high-voltage tube and this erection joint is accepted face.
This current potential converting means is used for each electric signal to be converted to a voltage signal, and exports this voltage signal to this data acquisition module.
This data acquisition module is used for recording each voltage signal.
Preferably, this pressure medium is liquid.
It will be apparent to those skilled in the art that this pressure medium is pressure medium conventional in this area, such as gas, liquid etc.This liquid is also conventional liquid in water or wet goods this area.
Preferably, this calibrating installation also comprises a power module, for power supply being provided to this calibrating installation.
Preferably, this calibrating installation also comprises a pulse producer, for driving this stepper motor.
Preferably, this gearing comprises a ball-screw, and this ball-screw is for being converted to this rectilinear motion by this gyration.
This ball-screw is that gyration is converted into rectilinear motion, or rectilinear motion is converted into the desirable product of gyration, ball-screw is by screw rod, nut and ball composition, the function of this ball-screw is that gyration is changed into rectilinear motion, this is further extension and the development of ball screw, the significance of this development becomes bearing into sliding action from scroll actions exactly, owing to thering is very little frictional resistance, this ball-screw is widely used in various commercial units and exact instrument, this ball-screw is the actuated element the most often using on machine tool and precision optical machinery, its major function is to convert gyration to linear movement, or change torque axis into axial repetitiousness acting force, have high precision concurrently simultaneously, reversibility and high efficiency feature.
Preferably, this gearing also comprises a worm-gear speed reducer, and this worm-gear speed reducer is connected with this stepper motor, and this ball-screw is installed on this worm-gear speed reducer.
This worm-gear speed reducer is a kind of power transmission mechanism, utilize the velocity transducer of gear, the winding number of motor (motor) is decelerated to desired winding number, and obtain the mechanism of larger torque, in commercial Application, worm-gear speed reducer has deceleration and increases torque functions, reduction of speed improves output torque simultaneously, moment of torsion export ratio is taken advantage of reduction gear ratio by motor output, but can not exceed the nominal torque of worm-gear speed reducer, slow down and reduced the inertia of load simultaneously, inertia be reduced to reduction gear ratio square, in the current mechanism for transferring power and motion, the range of application of worm-gear speed reducer is quite extensive.
The present invention also provides a kind of operation method of this calibrating installation, and this operation method comprises:
S
1: this gyration of this stepper motor is converted to this rectilinear motion by this gearing;
S
2: this pressure vessel is subject to this straight-line effect this pressure vessel volume is changed;
S
3: each pressure transducer detects because this pressure vessel volume changes the pressure that this pressure medium is produced, and according to this electric signal of this Output pressure to this current potential converting means;
S
4: this electric potential transducer is processed each electric signal is converted to each voltage signal, and exports each voltage signal to this data acquisition module;
S
5: this data acquisition module records each voltage signal.
Preferably, the operation method of this calibrating installation, its feature is, and this gearing comprises a worm-gear speed reducer and a ball-screw, and this worm-gear speed reducer is connected with this stepper motor, and this ball-screw is installed on this worm-gear speed reducer;
Step S
1for: this worm-gear speed reducer reduces the motor winding number of this stepper motor, and this worm-gear speed reducer drives this ball-screw, and this gyration is converted to this rectilinear motion by this ball-screw.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is: having overcome cannot be to the problem of carrying out automatic calibration of high-range sensor, this calibrating installation can carry out automatic calibration to high-range sensor, also has the feature that operation and maintenance is simple, cost is low, production efficiency is high simultaneously.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the calibrating installation in embodiments of the invention.
Fig. 2 is the process flow diagram of the operation method of the calibrating installation in embodiments of the invention.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As shown in Figure 1, the calibrating installation in the present embodiment comprises a stepper motor 11, a gearing 12, a pressure vessel 13, a pressure transducer 14, a current potential converting means 15 and a data acquisition module 16; This stepper motor 11 is connected with this gearing 12, and this gearing 12 is connected with this pressure vessel 13.
In the present embodiment, computing machine is connected with pulse producer by USB (universal serial bus) (USB) interface, operation computing machine sends an instruction to pulse producer, the driver module of a pulse signal to this stepper motor 11 being connected with pulse producer exported in this instruction after pulse producer is processed, this driver module drives signal to this stepper motor 11 according to one of this output of pulse signal, and this stepper motor 11 is rotated in the forward.This stepper motor 11 rotarily drive this gearing 12 being attached thereto, this gearing 12 is a worm-gear speed reducer and a ball-screw in the present embodiment, this worm-gear speed reducer is connected with this stepper motor 11, and drive rotation together by this stepper motor 11, this ball-screw being simultaneously installed on this worm-gear speed reducer is also driven by this worm-gear speed reducer, this ball-screw is for being converted to rectilinear motion by gyration, because this worm-gear speed reducer is gyration, therefore after passing through this ball-screw, this gyration is converted to rectilinear motion.
The other end of this ball-screw is connected with this pressure vessel 13, this pressure vessel 13 is closed container, because this stepper motor 11 is rotated in the forward, therefore the rectilinear motion of this ball-screw is propulsion, and these pressure vessel 13 positions that are connected with this ball-screw are fixed, therefore the forward direction rectilinear motion of this ball-screw can make the volume of this pressure vessel 13 reduce, and push the pressure medium in this pressure vessel 13, this pressure medium is liquid in the present embodiment, one end of liquid in this pressure vessel 13 is subject to the straight-line extruding of this ball-screw forward direction, the other end has a high-voltage tube and this pressure vessel 13 UNICOMs, the other end of high-voltage tube is connected with an erection joint, erection joint is connected with this pressure transducer 14, liquid in this pressure vessel 13 is full of this pressure vessel and this high-voltage tube, therefore while being squeezed, can produce pressure in this erection joint place, in this erection joint, there is a film, liquid cannot permeate this film, there is deformation in the pressure that this film can be subject to according to this liquid, this film is accepted face with the pressure of this pressure transducer 14 and is connected, therefore this liquid be squeezed produce pressure just pass on this pressure transducer 14 by the film of high-voltage tube and erection joint, the continuous propulsion of this ball-screw is constantly squeezed the liquid in this pressure vessel 13, and the pressure being subject at the film of erection joint place is increasing, in the time that this pressure closes on setting value, this worm-gear speed reducer slow down stepper motor rotating speed realize fine setting, make force value slowly reach setting value.
This pressure transducer 14 is according to the corresponding electric signal of Output pressure being subject to, because this calibrating installation can be calibrated multiple pressure transducers simultaneously, and because the difference of pressure transducer method for making, likely be output as current signal or voltage signal, and between different electric signal, be difficult to carry out analysis and comparison, therefore the electric signal of pressure transducer output need to be through conversion, the electric signal that this pressure transducer 14 is exported in the present embodiment can carry out current potential conversion through this current potential converting means 15, the electric signal unification of input is converted to voltage signal, again this voltage signal is exported to this data acquisition module 16, in the present embodiment, this data acquisition module 16 is modulus (AD) acquisition module, the simulating signal collecting is converted to digital signal by this AD acquisition module, and this digital signal record is got off.
By the program of writing specially, this digital signal is changed and processed, become corresponding magnitude of voltage, to pressure transducer is demarcated.
As shown in Figure 2, the operation method of this calibrating installation is as follows:
Step 101: this worm-gear speed reducer reduces the motor winding number of this stepper motor, and this worm-gear speed reducer drives this ball-screw, and this gyration is converted to this rectilinear motion by this ball-screw;
Step 102: this pressure vessel is subject to this straight-line effect this pressure vessel volume is changed;
Step 103: each pressure transducer detects because this pressure vessel volume changes the pressure that this pressure medium is produced, and according to this electric signal of this Output pressure to this current potential converting means;
Step 104: each electric signal is converted to each voltage signal by this current potential converting means, and export each voltage signal to this data acquisition module;
Step 105: this data acquisition module records each voltage signal.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection scope of the present invention.
Claims (8)
1. a calibrating installation, is characterized in that, this calibrating installation comprises a stepper motor, a gearing, a pressure vessel, a current potential converting means and a data acquisition module; This stepper motor is connected with this gearing, and this gearing is connected with this pressure vessel;
This gearing is for being converted to a rectilinear motion by the single-revolution motion of this stepper motor;
This pressure vessel is used for loading a pressure medium, this pressure vessel has an erection joint, this erection joint is connected with at least one pressure transducer, this gearing pushes this pressure vessel by this rectilinear motion the volume of this pressure vessel is changed, this erection joint is for passing to each pressure transducer by a pressure of this pressure vessel, each pressure transducer according to this Output pressure one electric signal to this current potential converting means;
This current potential converting means is used for each electric signal to be converted to respectively a voltage signal, and exports each voltage signal to this data acquisition module;
This data acquisition module is used for recording each voltage signal.
2. calibrating installation as claimed in claim 1, is characterized in that, this pressure medium is liquid.
3. calibrating installation as claimed in claim 1 or 2, is characterized in that, this calibrating installation also comprises a power module, for power supply being provided to this calibrating installation.
4. calibrating installation as claimed in claim 3, is characterized in that, this calibrating installation also comprises a pulse producer, for driving this stepper motor.
5. calibrating installation claimed in claim 4, is characterized in that, this gearing comprises a ball-screw, and this ball-screw is for being converted to this rectilinear motion by this gyration.
6. calibrating installation as claimed in claim 5, is characterized in that, this gearing also comprises a worm-gear speed reducer, and this worm-gear speed reducer is connected with this stepper motor, and this ball-screw is installed on this worm-gear speed reducer.
7. an operation method for calibrating installation as claimed in claim 1, this operation method comprises:
S
1: this gyration of this stepper motor is converted to this rectilinear motion by this gearing;
S
2: this pressure vessel is subject to this straight-line squeezing action of this gearing, and this pressure vessel volume is changed;
S
3: each pressure transducer detects this pressure in this pressure vessel, and according to this electric signal of this Output pressure to this current potential converting means;
S
4: this current potential converting means is processed each electric signal is converted to each voltage signal, and exports each voltage signal to this data acquisition module;
S
5: this data acquisition module records each voltage signal.
8. the operation method of calibrating installation as claimed in claim 7, it is characterized in that, this gearing comprises a worm-gear speed reducer and a ball-screw, and this worm-gear speed reducer is connected with this stepper motor, and this ball-screw is installed on this worm-gear speed reducer;
Step S
1for: this worm-gear speed reducer reduces the motor winding number of this stepper motor, and this worm-gear speed reducer drives this ball-screw, and this gyration is converted to this rectilinear motion by this ball-screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002973.4A CN103913270A (en) | 2013-01-05 | 2013-01-05 | Calibration device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002973.4A CN103913270A (en) | 2013-01-05 | 2013-01-05 | Calibration device and operation method thereof |
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| CN103913270A true CN103913270A (en) | 2014-07-09 |
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| CN201310002973.4A Pending CN103913270A (en) | 2013-01-05 | 2013-01-05 | Calibration device and operation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241503A (en) * | 2016-08-31 | 2016-12-21 | 廖建航 | Vertical coil winding machine control method based on pressure and system |
| CN106896206A (en) * | 2017-04-25 | 2017-06-27 | 深圳市计量质量检测研究院 | A kind of BOD analyzers calibrating installation and application process |
| WO2018040033A1 (en) * | 2016-08-31 | 2018-03-08 | 廖建航 | Sensing control method and system for horizontal winding machine |
| CN109900427A (en) * | 2019-04-15 | 2019-06-18 | 上海市计量测试技术研究院 | A kind of automated calibration system and calibration method for electric measuring type pressure gauge |
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| CN2038236U (en) * | 1988-10-22 | 1989-05-24 | 魏仁琛 | Pressure vacuum meter parity checker |
| CN2562177Y (en) * | 2002-08-27 | 2003-07-23 | 李尚文 | Pressure gauge verifier |
| CN101339086A (en) * | 2007-07-05 | 2009-01-07 | 上海威尔泰工业自动化股份有限公司 | Pressure sensor possessing high pressure overload protection |
| DE102008051031A1 (en) * | 2008-10-13 | 2010-04-15 | Karl Englert | Device for generating sequence of work pressure for calibration and justification of pressure gauges, has driving motor that is connected with linear axle, and provides feed motion on pressure piston |
| CN201628608U (en) * | 2010-01-21 | 2010-11-10 | 青岛众瑞智能仪器有限公司 | Pressure generator |
| CN201811820U (en) * | 2010-08-31 | 2011-04-27 | 沈阳兴大通仪器仪表有限公司 | Pressure gauge calibration device |
| CN202485858U (en) * | 2012-04-05 | 2012-10-10 | 青岛石大华通科技有限公司 | Isolation pressure-limiting protector |
| CN203037412U (en) * | 2013-01-05 | 2013-07-03 | 上海朝辉压力仪器有限公司 | Calibrating apparatus |
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2013
- 2013-01-05 CN CN201310002973.4A patent/CN103913270A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2038236U (en) * | 1988-10-22 | 1989-05-24 | 魏仁琛 | Pressure vacuum meter parity checker |
| CN2562177Y (en) * | 2002-08-27 | 2003-07-23 | 李尚文 | Pressure gauge verifier |
| CN101339086A (en) * | 2007-07-05 | 2009-01-07 | 上海威尔泰工业自动化股份有限公司 | Pressure sensor possessing high pressure overload protection |
| DE102008051031A1 (en) * | 2008-10-13 | 2010-04-15 | Karl Englert | Device for generating sequence of work pressure for calibration and justification of pressure gauges, has driving motor that is connected with linear axle, and provides feed motion on pressure piston |
| CN201628608U (en) * | 2010-01-21 | 2010-11-10 | 青岛众瑞智能仪器有限公司 | Pressure generator |
| CN201811820U (en) * | 2010-08-31 | 2011-04-27 | 沈阳兴大通仪器仪表有限公司 | Pressure gauge calibration device |
| CN202485858U (en) * | 2012-04-05 | 2012-10-10 | 青岛石大华通科技有限公司 | Isolation pressure-limiting protector |
| CN203037412U (en) * | 2013-01-05 | 2013-07-03 | 上海朝辉压力仪器有限公司 | Calibrating apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241503A (en) * | 2016-08-31 | 2016-12-21 | 廖建航 | Vertical coil winding machine control method based on pressure and system |
| WO2018040033A1 (en) * | 2016-08-31 | 2018-03-08 | 廖建航 | Sensing control method and system for horizontal winding machine |
| CN106896206A (en) * | 2017-04-25 | 2017-06-27 | 深圳市计量质量检测研究院 | A kind of BOD analyzers calibrating installation and application process |
| CN109900427A (en) * | 2019-04-15 | 2019-06-18 | 上海市计量测试技术研究院 | A kind of automated calibration system and calibration method for electric measuring type pressure gauge |
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Application publication date: 20140709 |