CN110531295A - A kind of automation control method of high power DC standard resistance box - Google Patents
A kind of automation control method of high power DC standard resistance box Download PDFInfo
- Publication number
- CN110531295A CN110531295A CN201910650461.6A CN201910650461A CN110531295A CN 110531295 A CN110531295 A CN 110531295A CN 201910650461 A CN201910650461 A CN 201910650461A CN 110531295 A CN110531295 A CN 110531295A
- Authority
- CN
- China
- Prior art keywords
- stepper motor
- knob
- resistance
- high power
- resistance box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
- G01R35/007—Standards or reference devices, e.g. voltage or resistance standards, "golden references"
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a kind of automation control methods of high power DC standard resistance box, comprising: the control signal of controller output stepper motor；Stepper motor is according to the control signal forward and reverse rotation, and drive knob driving mechanism；Knob driving mechanism is made of knob locking device and drive shaft；Drive shaft is connect with stepper motor module, is rotated and is rotated with stepper motor；Knob locking device is used to for drive shaft being fixed on high power DC standard resistance box resistance value setting knob, so that resistance value setting knob rotates with it when drive shaft rotates, to realize the automation control of resistance box resistance value, do not changing high power DC standard resistance box electrical structure, under the premise of measurement performance, computer automation control is difficult to realize when solving high power DC standard resistance box for carrying out calibration, resistance box indicating value is difficult to the technical problem of automatic input, interference of the automation control part to original resistance measurement circuit is eliminated simultaneously, measurement accuracy is set to be guaranteed.
Description
Technical field
This application involves automation control areas, and in particular to a kind of automation control of high power DC standard resistance box
Method.
Background technique
High power DC standard resistance box is the variable resistance measurer for changing its resistance value using converting means, for calibrating
Circuit resistance tester, instrument for measuring DC resistance.To realize transmission of quantity value, high power DC standard resistance box is also needed as tested
Object is calibrated.High power DC standard resistance box regardless of be used as standard utensil or checked object, conventional calibration mainly according to
Rely in manual calibration, by manual driver plate, the artificial indicating value for reading high power DC standard resistance box is artificial to carry out error meter
The data processings such as calculation, the revision of the convention, provide calibration certificate, and working efficiency is low.
For the calibrating mode of such poor efficiency, calibration to resistance box proposes a kind of resistance box in CN201477160U
Automatic checkout system, including digital voltmeter, constant-current source, measuring resistance group, resistance box, circuit switching control, constant-current source
Guarantee to pass through measuring resistance and the electric current of resistance box is constant, by circuit switching control, control voltage measuring apparatus is connected
It is connected to the measured resistance of the resistance or resistance box in selection access circuit in measuring resistance group, passes through digital voltmeter measurement standard
Voltage on resistance and tested resistance box, so that it is determined that the resistance value of tested resistance box.Computer passes through digital voltmeter, constant current
The gpib interface in source obtains the voltage value of voltmeter, then carries out data processing and obtain the resistance value of tested resistance box, in computer
The data processings such as middle progress error calculation, the revision of the convention, provide calibration certificate, to improve the efficiency of calibration.
Resistance box is calibrated as the intelligence of variable resistance standard measurer, proposes a kind of insulation meter intelligence in CN201886141U
Energy calibrating installation, including megohm box, converter and computer, resistance box are connected by interface with converter, converter and display
Screen, computer connection, converter obtains the real-time resistance value of megohm box by scanning the output interface of megohm box, by algorithm process
The real-time resistance value is shown into processing on a display screen, computer is entered data by serial port circuit and carries out data processing, is provided
Calibration certificate, to improve the efficiency of calibration.
Above-mentioned automation, intelligentized calibrating mode realize computer and carry out data processing, provide calibration certificate.But
Computer read be resistance box actual resistance, the indicating value of each resistance disk not read in resistance box use process, because
This also needs the indicating value of input resistance in the calibration of resistance box, and in the calibration of insulation resistance meter, the indicating value of resistance is inputted meter
Calculation machine could be consistent with actual use and improve calibration accuracy.In addition above-mentioned calibrating mode has used digital voltmeter, converter etc.
Resistance value is converted, so that calibration system huge structure.Above-mentioned calibration method changes the electricity of former resistance box simultaneously
Depressed structure, anti-interference ability is weak, and measurement accuracy is difficult to be guaranteed.
Summary of the invention
The application provides a kind of automation control method of high power DC standard resistance box, is not changing high power DC
It is difficult when solving high power DC standard resistance box for carrying out calibration under the premise of standard resistance box electrical structure, measurement performance
To realize that computer automation control, resistance box indicating value are difficult to the technical problem of automatic input, while eliminating automation control portion
Divide the interference to original resistance measurement circuit, measurement accuracy is made to be guaranteed.
The application provides a kind of automation control method of high power DC standard resistance box characterized by comprising
The control signal of controller output stepper motor；
Stepper motor is according to the control signal forward and reverse rotation, and drive knob driving mechanism；
Knob driving mechanism is made of knob locking device and drive shaft；Drive shaft is connect with stepper motor module, with step
It rotates and rotates into motor；Knob locking device is used to for drive shaft being fixed on the setting rotation of high power DC standard resistance box resistance value
On button, so that resistance value setting knob rotates with it when drive shaft rotates, to realize the automation control of resistance box resistance value.
Preferably, the controller is DSP digital signal processor, exports stepper motor pwm control signal, control step
Into motor forward and reverse rotation.
Preferably, the stepper motor is according to the control signal forward and reverse rotation, and drive knob driving mechanism, packet
It includes:
The stepper motor is made of stepper motor driver and accurate decelerating step motor；
Stepper motor driver is for electric signal needed for providing driving stepper motor, and accurate decelerating step motor is for driving
Dynamic knob driving mechanism.
Preferably, the high power DC standard resistance box is the high-power precision resistance case of mechanical knob formula, for providing
Standard electric resistance value.
A kind of automation control method of high power DC standard resistance box provided by the present application is exported by controller and is controlled
Signal, by stepper motor module drive knob driving mechanism so that high power DC standard resistance box resistance value set knob by
Control rotation, to control high power DC standard resistance box change in resistance, not changing, high power DC standard resistance box is electrical
Under the premise of structure, measurement performance, computer is difficult to realize when solving high power DC standard resistance box for carrying out calibration certainly
Dynamicization control, resistance box indicating value are difficult to the technical problem of automatic input, while eliminating automation control part and surveying to original resistance
The interference for measuring circuit, makes measurement accuracy be guaranteed.
Detailed description of the invention
Fig. 1 is a kind of work of the automation control method of high power DC standard resistance box provided by the embodiments of the present application
Schematic illustration；
Fig. 2 be the invention relates to embodiment schematic diagram.
Specific embodiment
Many details are explained in the following description in order to fully understand the application.But the application can be with
Much it is different from other way described herein to implement, those skilled in the art can be without prejudice to the application intension the case where
Under do similar popularization, therefore the application is not limited by following public specific implementation.
Fig. 1 is please referred to, Fig. 1 is a kind of automation control of high power DC standard resistance box provided by the embodiments of the present application
The operation principle schematic diagram of method.
Firstly, by the control signal of controller output stepper motor.Controller is DSP digital signal processor, output step
Signal is controlled into motor PWM, controls stepper motor forward and reverse rotation.Then, stepper motor is forward and reverse according to the control signal
Rotation, and drive knob driving mechanism, the stepper motor are made of stepper motor driver and accurate decelerating step motor, walk
Into motor driver for electric signal needed for providing driving stepper motor, accurate decelerating step motor drives for drive knob
Mechanism.Knob driving mechanism is made of knob locking device and drive shaft；Drive shaft is connect with stepper motor module, with stepping electricity
Machine is rotated and is rotated；Knob locking device is used to for drive shaft being fixed on high power DC standard resistance box resistance value setting knob
On, so that resistance value setting knob rotates with it when drive shaft rotates, to realize the automation control of resistance box resistance value.It is high-power
DC Standard Resistor case is the high-power precision resistance case of mechanical knob formula, for providing standard electric resistance value.
As shown in Fig. 2, controller exports PWM modulation signal, control stepper motor module motor turns specific embodiment
It is dynamic.Stem-winder dish driving mechanism shaft and stepper motor rotation axis link, and lock device band by knob and move high power DC mark
Quasi- resistance box resistance value setting knob rotation, to automatically control the variation of high power DC standard resistance box resistance indicating value.Same time control
Device processed can record in real time resistance indicating value, improve calibration efficiency.
A kind of automation control method of high power DC standard resistance box provided by the present application is exported by controller and is controlled
Signal, by stepper motor module drive knob driving mechanism so that high power DC standard resistance box resistance value set knob by
Control rotation, to control high power DC standard resistance box change in resistance, not changing, high power DC standard resistance box is electrical
Under the premise of structure, measurement performance, computer is difficult to realize when solving high power DC standard resistance box for carrying out calibration certainly
Dynamicization control, resistance box indicating value are difficult to the technical problem of automatic input, while eliminating automation control part and surveying to original resistance
The interference for measuring circuit, makes measurement accuracy be guaranteed.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modifies perhaps equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within pending claims of the invention.
Claims (4)
1. a kind of automation control method of high power DC standard resistance box characterized by comprising
The control signal of controller output stepper motor；
Stepper motor is according to the control signal forward and reverse rotation, and drive knob driving mechanism；
Knob driving mechanism is made of knob locking device and drive shaft；Drive shaft is connect with stepper motor module, with stepping electricity
Machine is rotated and is rotated；Knob locking device is used to for drive shaft being fixed on high power DC standard resistance box resistance value setting knob
On, so that resistance value setting knob rotates with it when drive shaft rotates, to realize the automation control of resistance box resistance value.
2. the method according to claim 1, wherein the controller, is DSP digital signal processor, output
Stepper motor pwm control signal controls stepper motor forward and reverse rotation.
3. the method according to claim 1, wherein the stepper motor is according to the forward and reverse rotation of the control signal
Turn, and drive knob driving mechanism, comprising:
The stepper motor is made of stepper motor driver and accurate decelerating step motor；
Stepper motor driver is for electric signal needed for providing driving stepper motor, and accurate decelerating step motor is for driving rotation
Button driving mechanism.
4. the method according to claim 1, wherein the high power DC standard resistance box, is mechanical knob
The high-power precision resistance case of formula, for providing standard electric resistance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650461.6A CN110531295A (en) | 2019-07-18 | 2019-07-18 | A kind of automation control method of high power DC standard resistance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650461.6A CN110531295A (en) | 2019-07-18 | 2019-07-18 | A kind of automation control method of high power DC standard resistance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110531295A true CN110531295A (en) | 2019-12-03 |
Family
ID=68660839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910650461.6A Pending CN110531295A (en) | 2019-07-18 | 2019-07-18 | A kind of automation control method of high power DC standard resistance box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110531295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112286138A (en) * | 2020-11-04 | 2021-01-29 | 鹤壁盛源科技有限公司 | High-precision program-controlled direct-current resistance box and resistance correction method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233516Y (en) * | 2008-07-02 | 2009-05-06 | 成都思泰航空科技有限责任公司 | Highly precise program controlled resistor generation apparatus having circuit correction function |
-
2019
- 2019-07-18 CN CN201910650461.6A patent/CN110531295A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233516Y (en) * | 2008-07-02 | 2009-05-06 | 成都思泰航空科技有限责任公司 | Highly precise program controlled resistor generation apparatus having circuit correction function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112286138A (en) * | 2020-11-04 | 2021-01-29 | 鹤壁盛源科技有限公司 | High-precision program-controlled direct-current resistance box and resistance correction method |
| CN112286138B (en) * | 2020-11-04 | 2023-12-08 | 鹤壁盛源科技有限公司 | Resistance correction method for high-precision program-controlled direct-current resistor box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101334457B (en) | Multichannel multi-parameter electric measuring meter test system and full-automatic test method | |
| CN107797080B (en) | Device for realizing Hall sensor calibration by adopting NMR (nuclear magnetic resonance) equipment | |
| CN105717917B (en) | The automatic calibration method of new-energy automobile motor stand | |
| CN109799016B (en) | DC motor output torque calibration device | |
| CN104569647A (en) | System and method for testing performance of frequency changer | |
| CN104459588A (en) | System and method for current sensor test | |
| CN103604951B (en) | The GES measuring method and its TT＆C system of a kind of vehicle speed sensor | |
| CN110031792A (en) | Consider the Basic Error of Energy Meter test device and method of temperature and curent change | |
| CN110531295A (en) | A kind of automation control method of high power DC standard resistance box | |
| CN110244159A (en) | A kind of Multifunctional potentiometer Performance Test System | |
| CN214584038U (en) | System based on engine performance test | |
| CN118191576A (en) | Calibrating device and method for testing speed characteristics of circuit breaker | |
| CN201281755Y (en) | Assay system for multichannel multi-parameter electric measuring meter | |
| CN101387696B (en) | Calibration system and method for digital alternating current-direct current tester | |
| CN106443547A (en) | Intelligent insulated earth resistance meter calibrating device | |
| CN115308664A (en) | Calibration device and method of Hall current sensor | |
| CN206505091U (en) | A kind of new reflection-type photoelectricity device for testing rotating speed | |
| US4044302A (en) | Test set for measuring magnetic properties of magnetic amplifier cores by sinusoidal current excitation | |
| CN204405745U (en) | A kind of satellite antenna pattern subtest equipment | |
| CN203881861U (en) | Multifunctional power grounding parameter tester | |
| CN218995652U (en) | Comprehensive tester for variable frequency transformer | |
| CN110285847A (en) | A kind of measurement auxiliary device and metering method of test macro | |
| CN109374974A (en) | A kind of communication device interface parameter test device | |
| CN113702747B (en) | Portable locomotive traction converter detection equipment | |
| CN219607966U (en) | Stepping angle error testing system for stepping motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |