CN202267557U - Full automatic torque repeating offset measuring system - Google Patents
Full automatic torque repeating offset measuring system Download PDFInfo
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- CN202267557U CN202267557U CN2011203679463U CN201120367946U CN202267557U CN 202267557 U CN202267557 U CN 202267557U CN 2011203679463 U CN2011203679463 U CN 2011203679463U CN 201120367946 U CN201120367946 U CN 201120367946U CN 202267557 U CN202267557 U CN 202267557U
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Abstract
The utility model relates to a full automatic torque repeating offset measuring system, which comprises a programmable logic controller (PLC) central processing unit, a torque collection circuit, a magnetic powder loading circuit, a bus, a start button and a motor-driven execution mechanism control circuit. The PLC central processing unit is respectively connected with the start button, the torque collection circuit, the magnetic powder loading circuit and the motor-driven execution mechanism control circuit through the bus, and the magnetic powder loading circuit is connected with the torque collection circuit through a debugging platform. The full automatic torque repeating offset measuring system overcomes the shortcoming that the existing motor-driven execution mechanism debugging does not have the torque repeating offset direct measuring function and credibility of debugging data declines caused by manual factors such as selectivity process of measuring and reading the torque value and technical processing of manual calculation. The full automatic torque repeating offset measuring system can full-automatically measure the torque repeating offset by pressing one button, is provided with a recommended standard (RS) 485 interface for printing or uploading, has a highly simplified circuit, and strong system reliability, is capable of achieving closed loop intelligent control under the support of relative program, and reduces production cost while having complete functions.
Description
Technical field
The utility model relates to a kind of electric operator torque automatic measurement system, relates in particular to a kind of full-automatic torque and repeats error measuring means.
Background technology
Existing electric operator debugger possesses the torque measurement function, and the torque of electric operator repetition deviation need be measured three times, and three times data recording is got off; Calculation requirement according to repeating deviation carries out manual calculation; Do not meet the relevant regulations of measurement data once-forming, work efficiency is low, especially carries out manual calculation and is mistaken as and has carried out technical finesse; Can not adapt to the requirement that present industrial automation is produced, an urgent demand possesses the special measurement mechanism that torque repeats deviation.
The utility model content
The utility model provides a kind of simple in structure, easy to use, the full-automatic accurately and reliably torque repetition of measurement error measuring means in order to overcome the above problems.
The technical scheme of the utility model is: this system comprises PLC central processing unit, torque Acquisition Circuit, magnetic loaded circuit, bus, start button, electric operator control circuit; Described PLC central processing unit links to each other with start button, torque Acquisition Circuit, magnetic loaded circuit and electric operator control circuit respectively through bus, and the magnetic loaded circuit links to each other with the torque Acquisition Circuit through debugger.
Described magnetic loaded circuit comprises analog output module, analog quantity modular converter one and the magnetic charger that links to each other successively; The numerical signal that analog output module reception PLC central processing unit sends also is converted into current signal, exports the magnetic charger to through analog quantity modular converter one.
Described torque Acquisition Circuit comprises torque sensor, analog quantity modular converter two and the analog quantity load module that links to each other successively; Torque sensor outputs voltage signal to analog quantity modular converter two; Analog quantity modular converter two output current signals are to the analog quantity load module, and analog quantity load module output numerical signal is to the PLC central processing unit.
Described electric operator control circuit comprises that successively the switching value output, the electric operator switch that link to each other stop signal, electric operator, torque switch and switching value input, described switching value output receive the signal of PLC central processing unit and through the switching value input and output to the PLC central processing unit.
Described torque switch comprises clockwise torque switch and counterclockwise torque switch.
Described PLC central processing unit is s7-200 series 226CPU.
Described analog quantity load module is s7-200 series EM231.
Described analog output module is s7-200 series EM232.
Described bus is the RS485 bus.
The utility model solves existing electric operator debugging not to be possessed the direct measurement function of torque repetition deviation, measures degradation defective under the confidence level that the carried out selectivity that reads torque value is handled, the human factors such as technical finesse of manual calculation cause tune-up data; The utility model one key can go out torque repetition deviation by all automatic measurement; And it is printable or upload to possess the RS485 interface; Circuit height is simplified, system reliability strong, under the support of relative program, realize the closed loop Based Intelligent Control, have perfect functions simultaneously, has reduced production cost.
Description of drawings
Fig. 1 is the course of work synoptic diagram of the utility model.
Embodiment
Further specify the utility model in conjunction with accompanying drawing and embodiment; As shown in Figure 1; Full-automatic torque repeats error measuring means; This system comprises PLC central processing unit, torque Acquisition Circuit, magnetic loaded circuit, RS485 bus, start button, electric operator control circuit; Described PLC central processing unit is s7-200 series 226CPU, and described PLC central processing unit links to each other with start button, torque Acquisition Circuit, magnetic loaded circuit and electric operator control circuit respectively through the RS485 bus, and the magnetic loaded circuit links to each other with the torque Acquisition Circuit through debugger.
Described magnetic loaded circuit comprises analog output module, analog quantity modular converter two and the magnetic charger that links to each other successively; Described analog output module is s7-200 series EM232; Analog output module receives the PLC central processing unit and confirms to load step rate by the algorithm requirement of regulation; 0～32000 numerical signal that changes also is converted into 0～20mA current signal, and the current signal of 0～20mA exports the magnetic charger to through the current signal that analog quantity modular converter two is converted into 0～3A.
Described torque Acquisition Circuit comprises torque sensor, analog quantity modular converter one and the analog quantity load module that links to each other successively; Described analog quantity load module is s7-200 series EM231; Torque sensor is according to the actual value and its range ratio output corresponding-10mV～10mV voltage signal to analog quantity modular converter one of debugger; Current signal to the analog quantity load module of analog quantity modular converter one output 0～20mA, the numerical signal of analog quantity load module output PLC central processing unit discernible 0～32000 is to the PLC central processing unit.
Described electric operator control circuit comprises that the switching value output, the electric operator switch that link to each other successively stop signal, electric operator, torque switch and switching value input; Described switching value is exported the signal that receives the PLC central processing unit and is passed through the switching value input and output to the PLC central processing unit, and described torque switch comprises clockwise torque switch and counterclockwise torque switch.
Sequential control:
After the beginning button is triggered; Start tested electric operator and rotate, and after 1 second, load automatically, treat that the negative edge of clockwise torque switch motion stops tested electric operator to CW; And record controlling torque value this moment, begin unloading then., unloading after 1 second, starts tested electric operator after being zero to rotation counterclockwise.So the controlling torque of three both directions is write down in circulation for six times respectively, calculates torque and repeats deviation.
Torque repeats the calculating of deviation:
Clockwise and counterclockwise torque is respectively measured three times, and the mean value of measuring for three times is the reference value of adjusting of torque controling mechanism, and measured maximal value is maximum measured value, and be calculated as follows get final product the repeatable accuracy of controlling torque.
In the formula: δ
0The repeatable accuracy % of----output torque
M
S----maximum measured value Nm
M
Z----torque controling mechanism setting valve Nm.
Claims (9)
1. full-automatic torque repeats error measuring means; It is characterized in that: this system comprises PLC central processing unit, torque Acquisition Circuit, magnetic loaded circuit, bus, start button, electric operator control circuit; Described PLC central processing unit links to each other with start button, torque Acquisition Circuit, magnetic loaded circuit and electric operator control circuit respectively through bus, and the magnetic loaded circuit links to each other with the torque Acquisition Circuit through debugger.
2. full-automatic torque according to claim 1 repeats error measuring means; It is characterized in that: described magnetic loaded circuit comprises analog output module, analog quantity modular converter one and the magnetic charger that links to each other successively; The numerical signal that analog output module reception PLC central processing unit sends also is converted into current signal, exports the magnetic charger to through analog quantity modular converter one.
3. full-automatic torque according to claim 1 repeats error measuring means; It is characterized in that: described torque Acquisition Circuit comprises torque sensor, analog quantity modular converter two and the analog quantity load module that links to each other successively; Torque sensor outputs voltage signal to analog quantity modular converter two; Analog quantity modular converter two output current signals are to the analog quantity load module, and analog quantity load module output numerical signal is to the PLC central processing unit.
4. full-automatic torque according to claim 1 repeats error measuring means; It is characterized in that: described electric operator control circuit comprises that successively the switching value output, the electric operator switch that link to each other stop signal, electric operator, torque switch and switching value input, described switching value output receive the signal of PLC central processing unit and through the switching value input and output to the PLC central processing unit.
5. full-automatic torque according to claim 4 repeats error measuring means, it is characterized in that: described torque switch comprises clockwise torque switch and counterclockwise torque switch.
6. full-automatic torque according to claim 1 repeats error measuring means, it is characterized in that: described PLC central processing unit is s7-200 series 226CPU.
7. full-automatic torque according to claim 2 repeats error measuring means, it is characterized in that: described analog quantity load module is s7-200 series EM231.
8. full-automatic torque according to claim 3 repeats error measuring means, it is characterized in that: described analog output module is s7-200 series EM232.
9. full-automatic torque according to claim 1 repeats error measuring means, and it is characterized in that: described bus is the RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203679463U CN202267557U (en) | 2011-09-29 | 2011-09-29 | Full automatic torque repeating offset measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203679463U CN202267557U (en) | 2011-09-29 | 2011-09-29 | Full automatic torque repeating offset measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267557U true CN202267557U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203679463U Expired - Fee Related CN202267557U (en) | 2011-09-29 | 2011-09-29 | Full automatic torque repeating offset measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384806A (en) * | 2011-09-29 | 2012-03-21 | 扬州电力设备修造厂 | Full-automatic torque repetition deviation measuring system |
-
2011
- 2011-09-29 CN CN2011203679463U patent/CN202267557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384806A (en) * | 2011-09-29 | 2012-03-21 | 扬州电力设备修造厂 | Full-automatic torque repetition deviation measuring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YANGZHOU ELECTRIC POWER EQUIPMENT MANUFACTURE FACT Free format text: FORMER NAME: YANGZHOU ELECTRIC POWER EQUIPMENT REPAIR + MANUFACTURE FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 225003 Wenchang Middle Road, Jiangsu, China, No. 77, No. Patentee after: Company limited of Yangzhou Electric Power Equipment Repair & Manufacture Factory Address before: 225003 Wenchang Middle Road, Jiangsu, China, No. 77, No. Patentee before: Yangzhou Electric Power Equipment Repair & Manufacture Factory |
|
| 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: 20120606 Termination date: 20180929 |