CN101706363A - Recording instrument for monitoring condition of self-synchronizing overrunning clutch - Google Patents
Recording instrument for monitoring condition of self-synchronizing overrunning clutch Download PDFInfo
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- CN101706363A CN101706363A CN200910073240A CN200910073240A CN101706363A CN 101706363 A CN101706363 A CN 101706363A CN 200910073240 A CN200910073240 A CN 200910073240A CN 200910073240 A CN200910073240 A CN 200910073240A CN 101706363 A CN101706363 A CN 101706363A
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Abstract
The invention provides a recording instrument for monitoring the condition of a self-synchronizing overrunning clutch. The recording instrument is characterized by comprising a central processing unit, a power module, a signal acquisition module, a signal conditioning module, a trigger signal module and a communication module, wherein the power module provides power for other circuits; the signal output end of the signal acquisition module is connected with the input end of the signal conditioning module; the output end of the signal conditioning module is connected with the central processing unit; the output end of the trigger signal module is connected with the central processing unit; and the communication interface of the communication module is connected with the communication interface of the central processing unit. The recording instrument has the advantages of simple structure, high anti-interference capacity, low power consumption, real time, convenient usage and maintenance, and the like. Through monitoring the operating condition of the self-synchronizing clutch in real time, the invention can effectively reduce the occurrence of clutch failures and reduce the economic loss caused by the failures of the self-synchronizing clutch. The recording instrument of the invention is provided completely aiming at the self-synchronizing overrunning clutch, and can be used together with the self-synchronizing overrunning clutch.
Description
(1) technical field
The present invention relates to a kind of recording instrument for monitoring condition device of recording instrument for monitoring condition device, particularly a kind of clutch coupling.
(2) background technology
Self-synchronizing overrunning clutch is the critical component that combined power plants, multimachine and car Blast Furnace Top Gas Recovery Turbine Unit (TRT) equal power device switch, and can clutch coupling guarantee that operate as normal is most important.If self-synchronizing overrunning clutch breaks down, will cause whole propulsion system cisco unity malfunction, the performance of restricted power device performance, even seriously caused the inefficacy of whole propulsion system.Therefore, the clutch coupling running state parameter is monitored, predict that for realizing the off-line diagnosis of clutch coupling, issuable fault the guarantee that data are provided is very important.
Number of patent application is 200510134741.X, name is called in the patent document of " a kind of clutch state display device " has put down in writing the device that can show clutch state, this invention is made of the indicator light circuit display device, described indicator light circuit display device by the pilot lamp L of parallel connection and be connected pilot lamp L and power supply E between slide switch constitute, slide switch travelling arm W is connected with moving component in clutch coupling or the clutch operating device, the present invention is by the transmission of moving component in clutch coupling or the clutch operating device, the motion that makes the clutch campaign of clutch coupling and the slide head in the clutch table indicator light circuit is for being synchronized with the movement, thereby make pilot lamp demonstrate the motion state of clutch coupling, can demonstrate interlock, semi-linkage, separate, various states such as separation fully makes the better clutch state display device that drives a car of controlled clutch of driver.Though this technical scheme can show the state of clutch coupling, can not write down the state of clutch coupling, the state of clutch coupling can not be uploaded to analysis, disposal system is done further clutch coupling fault diagnosis.
(3) summary of the invention
The objective of the invention is to monitor, to store the clutch coupling running state parameter, and can be uploaded to the recording instrument for monitoring condition of self-synchronizing overrunning clutch of analysis process system in order to provide a kind of.
The object of the present invention is achieved like this: it comprises central control unit, power module, signal acquisition module, signal condition module, trigger pip module, communication module, power module provides power supply for other circuit, the signal output part of signal acquisition module connects the output termination central control unit of signal condition module input, signal condition module, the output of trigger pip module connects central control unit, and the communication interface of communication module connects the communication interface of central control unit.
The present invention can also comprise some features like this:
1. described central control unit U1 adopts the MC9S12DP512 chip, system adopts the 16MHz crystal oscillator, the EXTAL pin of MC9S12DP512 chip connects a pin of 16MHz crystal oscillator, another pin ground connection of 16MHz crystal oscillator, capacity earth of XTAL pin serial connection of MC9S12DP512 chip, electric capacity in parallel between the EXTAL pin of MC9S12DP512 chip and XTAL pin, the MC9S12DP512 chip utilize inner voltage controlled oscillator and phase-locked loop circuit with frequency upgrading to 25MHz, as internal bus clock.
2. described trigger pip module is made up of triode Q1, photoelectrical coupler U2 and three resistance, the power supply of isolating mutually that adopts respectively of the input end of photoelectrical coupler and output terminal is powered, trigger pip connects the base stage of triode Q1 by resistance, the grounded emitter of triode Q1, the collector of triode Q1 connects the input end of photoelectrical coupler, the other end of photoelectrical coupler input is connected to power positive end by current-limiting resistance, the output termination central control unit of photoelectrical coupler, and this output terminal is connected to pull down resistor.
3. described signal acquisition module is made up of digital signal acquiring module and collection of simulant signal module.
4. described digital signal acquiring module mainly is made up of four triode Q2～Q5, photoelectrical coupler U3 and resistance, four way word signals connect the base stage of four triode Q2～Q5 respectively by four resistance, the grounded emitter of four triode Q2～Q5, the collector of four triode Q2～Q5 connects the input end of photoelectrical coupler respectively, the output termination central control unit of photoelectrical coupler, and this output terminal is connected to pull down resistor, and the power supply of isolating mutually that adopts respectively of the input end of photoelectrical coupler and output terminal is powered.
5. there is each state parameter of self-synchronizing overrunning clutch in the FLASH of MC9S12DP512 chip in described central control unit, the communication interface of central control unit connects the communication interface of communication module, and central control unit is passed to analysis, disposal system by communication module with stored parameters under the state of off-line.
The present invention gathers throw-out-of clutch by trigger module, trigger pip before the engagement action, provide lubricating oil charge oil pressure signal by the collection of simulant signal module to central control unit, the clutch intermediate displacement signal, provide rotating speed by the digital signal acquiring module to central control unit, digital signals such as moment of torsion, central control unit is according in the FLASH of state recording in sheet of these signals with clutch coupling, central control unit is passed to analysis by communication module with stored parameters under the state of off-line, disposal system, realize the playback of data, analyze, the fault that may exist is forecast or the fault that exists is carried out analyzing and diagnosing.
The present invention designs at self-synchronizing overrunning clutch fully, can join self-synchronizing overrunning clutch and use.That the present invention has is simple for structure, antijamming capability strong, low-power consumption, in real time, advantage such as operation and maintenance is convenient, by the present invention the running status of self-synchronizing clutch is monitored in real time, can effectively reduce the incidence of clutch coupling fault, reduce the economic loss that causes by the self-synchronizing clutch fault.
(4) description of drawings
Fig. 1 is a circuit structure block diagram of the present invention; Fig. 2 is a central control unit partial circuit schematic diagram; Fig. 3 is a trigger module partial circuit schematic diagram; Fig. 4 is digital signal module section circuit theory diagrams.
(5) embodiment
The invention will be further elaborated below in conjunction with figure.
In conjunction with Fig. 1, the present invention includes central control unit, power module, signal acquisition module, signal condition module, trigger pip module, communication module, power module provides power supply for other circuit, the signal output part of signal acquisition module connects the output termination central control unit of signal condition module input, signal condition module, the output of trigger pip module connects central control unit, and the communication interface of communication module connects the communication interface of central control unit.
In conjunction with Fig. 2, central control unit U1 adopts the MC9S12DP512 chip, system adopts the 16MHz crystal oscillator, the EXTAL pin of MC9S12DP512 chip connects a pin of 16MHz crystal oscillator, another pin ground connection of 16MHz crystal oscillator, capacity earth of XTAL pin serial connection of MC9S12DP512 chip, electric capacity in parallel between the EXTAL pin of MC9S12DP512 chip and XTAL pin, the MC9S12DP512 chip utilize inner voltage controlled oscillator and phase-locked loop circuit with frequency upgrading to 25MHz, as internal bus clock.
In conjunction with Fig. 3, the trigger pip module provides throw-out-of clutch to central control unit, trigger pip before the engagement action, the trigger pip module is by triode Q1, photoelectrical coupler U2 (TLP521) and three resistance are formed, trigger pip connects the base stage of triode Q1 by resistance, the grounded emitter of triode Q1, the collector of triode Q1 connects the 2 pin input ends of photoelectrical coupler U2,1 pin of photoelectrical coupler U2 is connected to power positive end by current-limiting resistance, the 3 pin output termination central control unit of photoelectrical coupler U2, and this output terminal is connected to pull down resistor, the power supply of isolating mutually that adopts respectively of the input end of photoelectrical coupler and output terminal is powered, and can increase the antijamming capability of system like this.
Signal acquisition module is made up of digital signal acquiring module and collection of simulant signal module.The collection of simulant signal module provides lubricating oil charge oil pressure signal, clutch intermediate displacement signal to central control unit.Collection of simulant signal module by signal output termination signal conditioning circuit, the signal output part of signal conditioning circuit connects central control unit, A/D conversion mouth by by central control unit (MC9S12DP512 chip) converts digital signal to chip collection, record and storage.The modulate circuit of simulating signal is mainly finished the RC low-pass filtering of I/V conversion and the cascade of a plurality of RC link.
In conjunction with Fig. 4, the digital signal acquiring module mainly is made up of four triode Q2～Q5, photoelectrical coupler U3 and resistance, four way word signals connect the base stage of four triode Q2～Q5 respectively by four resistance, the grounded emitter of four triode Q2～Q5, the collector of triode Q2～Q5 connects the input end of photoelectrical coupler, the output termination central control unit of photoelectrical coupler, and this output terminal is connected to pull down resistor, the power supply of isolating mutually that adopts respectively of the input end of photoelectrical coupler and output terminal is powered, and can increase the antijamming capability of system like this.
After system powered on, central control unit U1 (MC9S12DP512 chip) waited for triggering command, and system adopts 10ms time-delay sampling to determine the validity that triggers.
Utilize each state parameter of the 512K flash storage self-synchronizing overrunning clutch of MC9S12DP512 chip.When flash stores, the data that at every turn trigger sampling to be stored by page or leaf, the page number is determined that by register PPAGE trigger sampled data and deposit down one page in next time, every page size is set 16K.
Adopt the time block of MC9S12DP512 chip, by regularly interrupting the collection of realization to rotating speed, moment of torsion digital signal.Equally, simulating signal adopts the double byte storage, the ATD0 of corresponding chip, ATD1 passage after 10 A/D conversion.
For guaranteeing that data in real time reads and write the flash storage space, in sampling interval 5ms, finish signals sampling (simulating signal also comprise A/D conversion) and finish the work that data in the data sampling register write flash, guarantee that each sampled data do not lose.
After registering instrument is realized data acquisition and finished, under off-line state, upload by serial communication.After system finished initialization, systems inspection com-state buffer status read communication instruction, carried out sequence of pages by instruction then and uploaded, and realized playback, the analysis of data, and the fault that may exist is forecast or the fault that exists is carried out analyzing and diagnosing.
Claims (6)
1. recording instrument for monitoring condition of self-synchronizing overrunning clutch, it is characterized in that: it comprises central control unit, power module, signal acquisition module, signal condition module, trigger pip module, communication module, power module provides power supply, the signal output part of signal acquisition module connects the output termination central control unit of signal condition module input, signal condition module, the output of trigger pip module connects central control unit, and the communication interface of communication module connects the communication interface of central control unit.
2. recording instrument for monitoring condition of self-synchronizing overrunning clutch according to claim 1, it is characterized in that: described central control unit (U1) adopts the MC9S12DP512 chip, system adopts the 16MHz crystal oscillator, the EXTAL pin of MC9S12DP512 chip connects a pin of 16MHz crystal oscillator, another pin ground connection of 16MHz crystal oscillator, capacity earth of XTAL pin serial connection of MC9S12DP512 chip, electric capacity in parallel between the EXTAL pin of MC9S12DP512 chip and XTAL pin, the MC9S12DP512 chip utilize inner voltage controlled oscillator and phase-locked loop circuit with frequency upgrading to 25MHz, as internal bus clock.
3. recording instrument for monitoring condition of self-synchronizing overrunning clutch according to claim 2, it is characterized in that: described trigger pip module is by triode (Q1), photoelectrical coupler (U2) and three resistance are formed, the power supply of isolating mutually that adopts respectively of the input end of photoelectrical coupler and output terminal is powered, trigger pip connects the base stage of triode (Q1) by resistance, the grounded emitter of triode (Q1), the collector of triode (Q1) connects the input end of photoelectrical coupler, the other end of photoelectrical coupler input is connected to power positive end by current-limiting resistance, the output termination central control unit of photoelectrical coupler, and this output terminal is connected to pull down resistor.
4. recording instrument for monitoring condition of self-synchronizing overrunning clutch according to claim 3 is characterized in that: described signal acquisition module is made up of digital signal acquiring module and collection of simulant signal module.
5. recording instrument for monitoring condition of self-synchronizing overrunning clutch according to claim 4, it is characterized in that: described digital signal acquiring module is mainly by four triodes (Q2～Q5), photoelectrical coupler (U3) and resistance are formed, four way word signals connect four triodes (base stage of Q2～Q5) by four resistance respectively, (the grounded emitter of Q2～Q5) of four triodes, (collector of Q 2～Q5) connects the input end of photoelectrical coupler respectively to four triodes, the output termination central control unit of photoelectrical coupler, and this output terminal is connected to pull down resistor, and the power supply of isolating mutually that adopts respectively of the input end of photoelectrical coupler and output terminal is powered.
6. recording instrument for monitoring condition of self-synchronizing overrunning clutch according to claim 5, it is characterized in that: there is each state parameter of self-synchronizing overrunning clutch in the FLASH in described central control unit, the communication interface of central control unit connects the communication interface of communication module, and central control unit is passed to analysis, disposal system by communication module with stored parameters under the state of off-line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910073240A CN101706363A (en) | 2009-11-20 | 2009-11-20 | Recording instrument for monitoring condition of self-synchronizing overrunning clutch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910073240A CN101706363A (en) | 2009-11-20 | 2009-11-20 | Recording instrument for monitoring condition of self-synchronizing overrunning clutch |
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| CN101706363A true CN101706363A (en) | 2010-05-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411770A (en) * | 2013-08-23 | 2013-11-27 | 中国计量学院 | System and method for testing performance of brake master cylinder for automobile |
| CN103851100A (en) * | 2014-03-14 | 2014-06-11 | 三一重机有限公司 | Monitoring structure for working state of overrun clutch and engineering machinery |
| CN105699076A (en) * | 2016-04-14 | 2016-06-22 | 四川大学 | Service life testing device for freewheel clutch |
| CN107848498A (en) * | 2015-08-05 | 2018-03-27 | 斯堪尼亚商用车有限公司 | Control method, decelerator and the vehicle of the sychronisation for decelerator |
| CN108107250A (en) * | 2018-01-05 | 2018-06-01 | 深圳市道通科技股份有限公司 | A kind of oscilloscope data processing method, device and oscillograph |
| CN112525527A (en) * | 2020-10-30 | 2021-03-19 | 中国神华能源股份有限公司国华电力分公司 | Method and device for monitoring motion state of synchronous clutch and electronic equipment |
-
2009
- 2009-11-20 CN CN200910073240A patent/CN101706363A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411770A (en) * | 2013-08-23 | 2013-11-27 | 中国计量学院 | System and method for testing performance of brake master cylinder for automobile |
| CN103411770B (en) * | 2013-08-23 | 2016-06-01 | 中国计量学院 | A kind of automobile brake master cylinder Performance Test System and method |
| CN103851100A (en) * | 2014-03-14 | 2014-06-11 | 三一重机有限公司 | Monitoring structure for working state of overrun clutch and engineering machinery |
| CN107848498A (en) * | 2015-08-05 | 2018-03-27 | 斯堪尼亚商用车有限公司 | Control method, decelerator and the vehicle of the sychronisation for decelerator |
| CN107848498B (en) * | 2015-08-05 | 2020-06-16 | 斯堪尼亚商用车有限公司 | Method for controlling a synchronization device for a retarder, retarder and vehicle |
| CN105699076A (en) * | 2016-04-14 | 2016-06-22 | 四川大学 | Service life testing device for freewheel clutch |
| CN108107250A (en) * | 2018-01-05 | 2018-06-01 | 深圳市道通科技股份有限公司 | A kind of oscilloscope data processing method, device and oscillograph |
| CN108107250B (en) * | 2018-01-05 | 2020-10-09 | 深圳市道通科技股份有限公司 | Oscilloscope data processing method and device and oscilloscope |
| CN112525527A (en) * | 2020-10-30 | 2021-03-19 | 中国神华能源股份有限公司国华电力分公司 | Method and device for monitoring motion state of synchronous clutch and electronic equipment |
| CN112525527B (en) * | 2020-10-30 | 2022-09-06 | 中国神华能源股份有限公司国华电力分公司 | Method and device for monitoring motion state of synchronous clutch and electronic equipment |
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Open date: 20100512 |