CN103728073A - Detecting system and method for separating brake half shaft buckling force of operating mechanism - Google Patents
Detecting system and method for separating brake half shaft buckling force of operating mechanism Download PDFInfo
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- CN103728073A CN103728073A CN201310697893.5A CN201310697893A CN103728073A CN 103728073 A CN103728073 A CN 103728073A CN 201310697893 A CN201310697893 A CN 201310697893A CN 103728073 A CN103728073 A CN 103728073A
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Abstract
The invention relates to a detecting system and method for separating brake half shaft buckling force of an operating mechanism. The detecting system comprises a pressure sensor, a signal collecting module, a single chip microcomputer module, an optoelectronic isolation module, an analog switch module, an RC filtration module, a voltage following module, a V/I conversion module, a standard current signal collecting module, a single chip microcomputer processing module and a power source module. The separating brake half shaft buckling force is sensed through the pressure sensor, sensing information successively passes through the signal collecting module, the single chip microcomputer module, the optoelectronic isolation module, the analog switch module, the RC filtration module, the voltage following module, the V/I conversion module, the standard current signal collecting module and the single chip microcomputer processing module, and data obtained finally are the separating brake half shaft buckling force. According to the detecting system and method, detection is easy and reliable, implement is convenient, and the detecting system is suitable for detecting the separating brake half shaft buckling force of the existing operating mechanism, or serving as an improvement of detecting systems of the same kind.
Description
Technical field
The present invention relates to operating mechanism, especially a kind of operating mechanism separating brake semiaxis snapping force detection system and detection method thereof.
Background technology
Along with high pressure technique development, electric system is constantly to high voltage, remote, large capacity future development, therefore the safe operation problem day of electrical network is aobvious outstanding, a large amount of statisticss show, primary cut-out mechanical stability also exists some problems, and National Power System primary cut-out equipment refuses point, refuse the accident of closing often occurs.Therefore reliability and stability that operating mechanism closes a floodgate, separating brake moves are most important, directly affect the conveying of electric power, and the safety of electric system.
In operating mechanism, for closing a floodgate, keep and store up retainable rotating shaft being commonly referred to as semiaxis, under "on" position and gate-dividing state, the difference of the position keeping according to semiaxis, is called combined floodgate semiaxis and separating brake semiaxis.In separating brake process, the factor that affects separating brake is a lot, such as: the separating brake semiaxis snapping amount size of mechanism, the drive disk assembly of reduction torsion spring and isolating switch.Due to the impact of these factors, so produced, refuse a point phenomenon.And, due to the stressed of mechanism and the direction of separating brake snapping power and the singularity of position, extremely difficult to the detection of separating brake semiaxis snapping power.Simultaneously, the amplitude of variation of snapping power is larger, and the separating brake semiaxis snapping force signal of pressure transducer collection is the signal of millivolt level, the factor that this signal is subject to ectocine is a lot, show extremely unstable, so needing to carry out high precision before signal is transferred to acquisition system effectively processes, the signal that becomes the direct current standard of 1～5V or 4～20mA after processing is delivered to the acquisition system outside certain distance, so that acquisition system keeps the stability of its image data, thereby detect more accurately separating brake semiaxis snapping power.
The importance detecting in view of separating brake semiaxis snapping power, so seem particularly important also there is no comparatively simple and reliable technical scheme at present to the stable detection of separating brake semiaxis snapping force signal of operating mechanism.
Summary of the invention
For overcoming the problems referred to above, the object of the invention is to provide to this area a kind of operating mechanism separating brake semiaxis snapping force detection system and detection method thereof, make it solve existing operating mechanism separating brake semiaxis snapping power and detect comparatively difficulty, implement inconvenient technical matters.Its objective is and be achieved through the following technical solutions.
A kind of operating mechanism separating brake semiaxis snapping force detection system, this detection system comprises: the pressure transducer that detects separating brake semiaxis snapping power in operating mechanism, receive the signal acquisition module of pressure sensor signal, the one-chip computer module that the signal of signal acquisition module collection is processed, the photoelectric isolation module that the pulse signal of single-chip microcomputer output is processed, receive the analog switch module of described photoelectric isolation module pulse signal after treatment, the RC filtration module that the voltage signal of analog switch module output is processed, RC filtration module voltage signal after treatment is carried out to the voltage follow module of buffered, voltage signal after voltage follow module buffering is converted to the V/I modular converter of standard current signal, the standard current signal acquisition module that preferred circuit signal after the conversion of V/I modular converter is gathered, the single chip processing module that signal after the collection of standard current signal acquisition module is processed, and the power module that above-mentioned each module is powered.
Described pressure transducer is installed in operating mechanism the axle head contact induction with separating brake semiaxis.
Described pressure transducer is ess-strain formula sensor, that is: the scope of its measurement is according to the difference of described operating mechanism separating brake semiaxis snapping power and its measurement range of self-adaptation, and it is output as a millivolt level signal.
Acquisition chip in described signal acquisition module is high-precision 24 A/D converter chips.
Described one-chip computer module is with software zeroing function.
The chip of described analog switch module is to adopt single channel analog switch chip.
Described RC filtration module adopts two-stage RC filtering circuit.
Described V/I modular converter is output as the current signal of two-wire system, and this V/I modular converter is comprised of fixed value resistance and the electric capacity of the diode of the amplifier of a single power supply, a PNP triode, an one-way function, two adjustable resistances, some.
Described one-chip computer module is the timer that utilizes single-chip microcomputer inside to provide, and by the timing initial value that changes timer, obtains the different duration of pulse, regulates the dutycycle of waveform, output pwm pulse signal.
The detection method of this operating mechanism separating brake semiaxis snapping force detection system is: pressure transducer is experienced after separating brake semiaxis snapping power, pressure transducer is exported to signal acquisition module millivolt magnitude voltage signals, signal acquisition module sends the millivolt level signal of pressure transducer output to one-chip computer module after treatment, one-chip computer module is processed data message, the timer that utilizes one-chip computer module inside to provide, produce pwm pulse signal and export to photoelectric isolation module, photoelectric isolation module produces control simulation switch module after pulse signal conversion and the related voltage signal of time length, this voltage signal is through the processing of RC filtration module, after voltage signal after treatment is stable through voltage follow module buffering, send V/I change-over circuit module to, become corresponding standard current signal, this standard current signal is delivered to standard current signal acquisition module after certain distance transmission, signal after the collection of standard current signal acquisition module sends single chip processing module to and processes, the data that obtain after processing are separating brake semiaxis snapping power.
The invention solves existing operating mechanism detect separating brake snapping power comparatively difficulty, implement inconvenient technical matters, there is detection comparatively simple, reliable, implement feature comparatively easily, be suitable as the detection system use that detects existing operating mechanism separating brake semiaxis snapping power, or the improvement of similar detection system.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention.
Fig. 2 is system architecture block scheme of the present invention.
In figure, the name of sequence number is called: 1, pressure transducer, 2, signal acquisition module, 3, one-chip computer module, 4, photoelectric isolation module, 5, analog switch module, 6, RC filtration module, 7, voltage follow module, 8, V/I modular converter, 9, standard current signal acquisition module, 10, single chip processing module, 11, power module.
Embodiment
By reference to the accompanying drawings, the invention will be further described.
As shown in Figure 1, pressure transducer 1 is to be installed on operating mechanism installing plate side, for responding to the axle head of separating brake semiaxis.
As shown in Figure 2, operating mechanism separating brake semiaxis snapping force detection system comprises pressure transducer 1, signal acquisition module 2, one-chip computer module 3, photoelectric isolation module 4, analog switch module 5, RC filtration module 6, voltage follow module 7, V/I modular converter 8, standard current signal acquisition module 9, single chip processing module 10, power module 11.
Power module 11 is to export 5V voltage accurately, and this voltage provides reference voltage for analog switching circuit.
V/I modular converter 8 is output as 4～20mA current signal of two-wire system, in this modular circuit, fixed value resistance and the electric capacity of the diode of the amplifier of a single power supply, a PNP triode, a conventional one-way function, two adjustable resistances, more than one quantity, consists of.
One-chip computer module is the timer that utilizes single-chip microcomputer inside to provide, and by the timing initial value that changes timer, obtains the different duration of pulse, regulates the dutycycle of waveform, output pwm pulse signal.
The detection method of this operating mechanism separating brake semiaxis snapping force detection system is: when pressure transducer 1 is experienced after separating brake semiaxis snapping power, pressure transducer is exported to signal acquisition module 2 millivolt magnitude voltage signals, the millivolt level signal that signal acquisition module is exported pressure transducer 1 is given one-chip computer module 3 after treatment, and one-chip computer module 3 is processed data message.The timer that recycling single-chip microcomputer inside provides, produces pwm pulse signal and exports to photoelectric isolation module 4, and photoelectric isolation module is changed rear control simulation switch module 5 by pulse signal and produced and the related 0～5V voltage of time length.This voltage, through producing 0 corresponding～5V after RC filtration module 6, after this voltage is stable through voltage follower circuit module 7 bufferings, is given V/I modular converter 8, becomes the 4～20mA standard current signal that meets accordingly industrial standard.This standard current signal is delivered to standard current signal acquisition module 9 through after certain distance transmission, in module 9 after filtering, give single chip processing module 10 after amplification, AD conversion and process, after processing, corresponding data are separating brake semiaxis snapping power.
Claims (10)
1. an operating mechanism separating brake semiaxis snapping force detection system, it is characterized in that this detection system comprises: the pressure transducer (1) that detects separating brake semiaxis snapping power in operating mechanism, receive the signal acquisition module (2) of pressure sensor signal, the one-chip computer module (3) that the signal of signal acquisition module collection is processed, the photoelectric isolation module (4) that the pulse signal of single-chip microcomputer output is processed, receive the analog switch module (5) of described photoelectric isolation module pulse signal after treatment, the RC filtration module (6) that the voltage signal of analog switch module output is processed, RC filtration module voltage signal after treatment is carried out to the voltage follow module (7) of buffered, voltage signal after voltage follow module buffering is converted to the V/I modular converter (8) of standard current signal, the standard current signal acquisition module (9) that standard current signal after the conversion of V/I modular converter is gathered, the single chip processing module (10) that signal after the collection of standard current signal acquisition module is processed, and the power module (11) that above-mentioned each module is powered.
2. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, is characterized in that described pressure transducer (1) is installed in operating mechanism and the axle head contact induction of separating brake semiaxis.
3. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, it is characterized in that described pressure transducer (1) is ess-strain formula sensor, that is: the scope of its measurement is according to the difference of described operating mechanism separating brake semiaxis snapping power and its measurement range of self-adaptation, and it is output as a millivolt level signal.
4. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, is characterized in that the acquisition chip in described signal acquisition module (2) is high-precision 24 A/D converter chips.
5. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, is characterized in that described one-chip computer module (3) is with software zeroing function.
6. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, the chip that it is characterized in that described analog switch module (5) is to adopt single channel analog switch chip.
7. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, is characterized in that described RC filtration module (6) adopts two-stage RC filtering circuit.
8. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, it is characterized in that described V/I modular converter (8) is output as the current signal of two-wire system, this V/I modular converter is comprised of fixed value resistance and the electric capacity of the diode of the amplifier of a single power supply, a PNP triode, an one-way function, two adjustable resistances, some.
9. operating mechanism separating brake semiaxis snapping force detection system according to claim 1, it is characterized in that described one-chip computer module (3) is the timer that utilizes single-chip microcomputer inside to provide, by the timing initial value that changes timer, obtain the different duration of pulse, regulate the dutycycle of waveform, output pwm pulse signal.
10. the detection method of an operating mechanism separating brake semiaxis snapping force detection system as claimed in claim 1, it is characterized in that: pressure transducer (1) is experienced after separating brake semiaxis snapping power, pressure transducer is exported to signal acquisition module (2) millivolt magnitude voltage signals, signal acquisition module sends the millivolt level signal of pressure transducer output to one-chip computer module (3) after treatment, one-chip computer module is processed data message, the timer that utilizes one-chip computer module inside to provide, produce pwm pulse signal and export to photoelectric isolation module (4), photoelectric isolation module produces the voltage signal relevant to time length by control simulation switch module (5) after pulse signal conversion, this voltage signal is processed through RC filtration module (6), after voltage signal after treatment is stable through voltage follow module (7) buffering, send V/I modular converter (8) to, become corresponding standard current signal, this standard current signal is delivered to standard current signal acquisition module (9) after certain distance transmission, signal after the collection of standard current signal acquisition module sends single chip processing module (10) to and processes, the data that obtain after processing are separating brake semiaxis snapping power.
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| CN201310697893.5A CN103728073B (en) | 2013-12-17 | 2013-12-17 | Operating mechanism separating brake semiaxis snapping force detection system and detection method thereof |
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| CN201310697893.5A CN103728073B (en) | 2013-12-17 | 2013-12-17 | Operating mechanism separating brake semiaxis snapping force detection system and detection method thereof |
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| CN103728073B CN103728073B (en) | 2016-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489411A (en) * | 2016-01-22 | 2016-04-13 | 厦门理工学院 | Intelligent operating mechanism used for circuit breaker |
| CN105510824A (en) * | 2016-01-28 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Method and system for monitoring high-voltage circuit breaker operating mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0504731A2 (en) * | 1991-03-19 | 1992-09-23 | Japan Electronics Industry, Ltd. | Device for measuring action force of wheel and device for measuring stress of structure |
| JPH08184604A (en) * | 1994-12-28 | 1996-07-16 | Tokin Corp | Impact detector and security system using the same |
| CN101482108A (en) * | 2008-01-08 | 2009-07-15 | 中国有色集团沈阳冶金机械有限公司 | Pressure detection system and method for membrane pump |
| CN201541258U (en) * | 2009-07-24 | 2010-08-04 | 徐州宝迪电气有限公司 | CAN isolation repeater for pressure detecting system of hydraulic support |
| CN103063342A (en) * | 2012-12-28 | 2013-04-24 | 深圳职业技术学院 | Pressure detecting device and pressure detecting system |
-
2013
- 2013-12-17 CN CN201310697893.5A patent/CN103728073B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0504731A2 (en) * | 1991-03-19 | 1992-09-23 | Japan Electronics Industry, Ltd. | Device for measuring action force of wheel and device for measuring stress of structure |
| JPH08184604A (en) * | 1994-12-28 | 1996-07-16 | Tokin Corp | Impact detector and security system using the same |
| CN101482108A (en) * | 2008-01-08 | 2009-07-15 | 中国有色集团沈阳冶金机械有限公司 | Pressure detection system and method for membrane pump |
| CN201541258U (en) * | 2009-07-24 | 2010-08-04 | 徐州宝迪电气有限公司 | CAN isolation repeater for pressure detecting system of hydraulic support |
| CN103063342A (en) * | 2012-12-28 | 2013-04-24 | 深圳职业技术学院 | Pressure detecting device and pressure detecting system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489411A (en) * | 2016-01-22 | 2016-04-13 | 厦门理工学院 | Intelligent operating mechanism used for circuit breaker |
| CN105489411B (en) * | 2016-01-22 | 2018-10-26 | 厦门理工学院 | A kind of intelligent operating mechanism of breaker |
| CN105510824A (en) * | 2016-01-28 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Method and system for monitoring high-voltage circuit breaker operating mechanism |
| CN105510824B (en) * | 2016-01-28 | 2018-07-31 | 云南电网有限责任公司电力科学研究院 | A kind of high-voltage breaker operation mechanism monitoring method and system |
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| CN103728073B (en) | 2016-01-06 |
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Effective date of registration: 20151123 Address after: Langxia street Xinlanglu Yuyao city 315408 Zhejiang city of Ningbo province No. 216 Applicant after: Ningbo Shunli High-Voltage Switch Science & Technology Co., Ltd. Address before: 315400, Ningbo, Zhejiang, Yuyao Province, 749 new North Road, Ningbo high voltage switch Technology Co., Ltd. Applicant before: Hu Guangfu |
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Effective date of registration: 20220209 Address after: 315408 No. 216, Weisan Road, Langxia street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo jianrun electromechanical Co.,Ltd. Address before: 315408 No. 216, Xinlang Road, Langxia street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO SHUNLI HIGH VOLTAGE SWITCHGEAR TECHNOLOGY CO.,LTD. |
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