CN105134451A - Pulse monitoring device for durability of automobile ignition coil and realizing method of pulse monitoring device - Google Patents
Pulse monitoring device for durability of automobile ignition coil and realizing method of pulse monitoring device Download PDFInfo
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- CN105134451A CN105134451A CN201510624195.1A CN201510624195A CN105134451A CN 105134451 A CN105134451 A CN 105134451A CN 201510624195 A CN201510624195 A CN 201510624195A CN 105134451 A CN105134451 A CN 105134451A
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Abstract
The invention relates to a pulse monitoring device for durability of an automobile ignition coil and a realizing method of the pulse monitoring device. A photoelectric isolating circuit, an RS232 communication module, a key processing interface, a data submitting main station interface, a fault brake operation interface and a display screen interface are all connected with a central processing unit MCU. An external pulse signal enters the central processing unit MCU through the photoelectric isolating circuit, counting and edge processing are carried out on an input pulse signal by the MCU, so as to complete pulse collection, pulse width, frequency and accumulation monitoring are carried out on the collected pulses, occurrence time and deadline of overfrequency and over-width faults, namely frequency and pulse width exceed preset frequency and pulse width parameters are recorded, external data storage is carried out, so that data analysis in the future is convenient, and a system main station can collect data at any time for comprehensive fault analysis. The pulse monitoring device has the benefits as follows: judgment, storage and failure isolation of signal pulses are realized, safety and effective verification of test equipment products are ensured, the operation s simple and convenient, and timeliness is high.
Description
Technical field
The present invention relates to a kind of pulse monitoring device and its implementation, particularly relate to durable of a kind of automobile ignition coil pulse monitoring device and its implementation.
Background technique
At present, a lot of electronic product, carrying out detecting or in routine test, pulse oscillator being utilized to input as signal, is tested product or durable degradation testing.Such as: automobile ignition coil product.When product is during the durable aging checking of research and development in process, namely 50Hz high temperature product that is long-time, high frequency time is charged durable aging generally to carry out 120 DEG C Celsius, 500 hours, 50 times/second.During durable checking, pulse generating unit may because of situations such as interference, and produce failure pulse signal or even normal high level, these situations are unforeseen in process of the test.And down pulse generation probably causes fatal damage to the product carrying out durable checking, checking is caused normally not complete.And cause the reason of checking damage of product can't know and determine.For this reason, the problem just becoming those skilled in the art and will study and solve how is addressed this problem.
Summary of the invention
The present invention is exactly for current present situation of being carried out durable checking by pulse monitoring device, by sending the Real-Time Monitoring such as number, width, frequency of signal pulse to signal generator, the information such as time, width, frequency that real-time seizure abnormal signal occurs, record, preserve its generation time and deadline, and termination failure signal pulse input after exceeding the value range setting out-of-limit working time, for the normal operation of durable checking coil and trouble analysis provide a kind of effective instrument in real time.
The present invention is achieved by the following technical solutions: the durable pulse monitoring device of a kind of automobile ignition coil, it is characterized in that: comprise the central processor MCU be arranged in casing, photoelectric isolating circuit, RS232 communication module, keystroke handling interface, data Shang Song main website interface, fault lock operation-interface, display screen interface, described photoelectric isolating circuit, RS232 communication module, keystroke handling interface, data Shang Song main website interface, fault lock operation-interface, display screen interface are connected with central processor MCU respectively; Central processor MCU adopts single-chip microcomputer MSP430F149.
The implementation method of the durable pulse monitoring device of a kind of automobile ignition coil, it is characterized in that: signal generator output pulse signal access device optoelectronic isolator is carried out protective separation, then the signal capture passage of input signal access central processor MCU, central processor MCU judges the width of pulse by the rising edge and trailing edge of catching pulse; Utilize interrupt acquisition port low and high level mode simultaneously, judge a complete Puled input, thus realize the collection of an overall pulse, and the pulse number carrying out the time in seconds adds up, and draws pulse frequency; Pulse monitoring device gathers the out-of-limit pulsewidth, the frequency parameter that pre-set in real-time pulse pulsewidth, frequency and central processor MCU compare judgement by catching; Out-of-limit pulse judges to adopt real-time judge mode, often gathers a complete pulse and all will judge, when gathering pulsewidth and being more than or equal to predefined value, then records current time, carries out fault preservation, and do real-time ultra-wide fault occurrence flag; When pulsewidth is less than predefined value again, then recording current time is failure recovery time, and removes real-time ultra-wide Reflector; Be more than or equal to default out-of-limit working time when the failure operation time, automatic operation lock performs tripping action, carries out protective separation, blocks down pulse input;
Pulse overclocking breakdown judge is Task per second, whenever to whole second, the pulse number that real-time whole second adds up by central processor MCU and the pulse frequency pre-set compare judgement, when second, accumulated pulse number was more than or equal to predeterminated frequency, then record current time, carry out fault preservation, and do real-time overclocking fault occurrence flag; When within next second, real-time pulse frequency is less than predefined value again, then recording current time is failure recovery time, and removes real-time overclocking Reflector; Be more than or equal to default out-of-limit working time when the failure operation time, automatic operation lock performs tripping action, carries out protective separation, blocks down pulse input;
System main website is carried out parameter adjustment amendment by RS232 module paired pulses monitoring device and is called together survey, also calls survey together to real time data, historical data, fault data;
That is, system main website paired pulses monitoring device carries out: the parameter of real-time time, 4 road input pulse frequencies, pulsewidth, out-of-limit working time, 4 tunnel start and stop control switchs is carried out setting and calls survey together;
System main website paired pulses monitoring device carries out: 4 road input pulses add up number, 4 road input pulse real-time frequency, the real-time pulsewidth of 4 road input pulse, 4 road Real-Time Switch status datas call survey together in real time;
System main website carries out described pulse monitoring device: frequency between 4 tunnels input real-time pulse overclocking fault road signs, time of failure, fault deadline, age at failure, 4 tunnels input real-time pulsewidth transfinites fault road sign, time of failure, fault deadline, fault pulse width time, the normal high time of failure of 4 road input pulse, fault deadline, high level lasting time, the data of device power time and power down time call survey together in real time;
System main website carries out described pulse monitoring device: the remote closing of 4 switch and disconnection;
Pulse monitoring device itself also connects display screen by display screen interface, carries out corresponding data inquiry.
The invention has the beneficial effects as follows: this device achieves the judgement of signal pulse, storage and Fault Isolation, protects the safe and effective checking of test equipment product.The clear function of device own understands, achieves: monitor signal pulse frequency, the record trouble when overclocking.
Monitor signal pulse, the record trouble when ultra-wide.
When monitor signal pulse is normal high level, record trouble.
Gather and input signal record cumulative total.
Default out-of-limit working time is more than or equal to, automatic termination failure Puled input, for the normal operation of durable checking coil and trouble analysis provide a kind of effective instrument in real time when the failure operation time.Simple to operation, real-time.
Accompanying drawing explanation
Fig. 1 is that circuit of the present invention connects block diagram;
Fig. 2 is System's composition figure of the present invention;
Fig. 3 is system connection diagram of the present invention;
Fig. 4 is workflow diagram of the present invention;
Fig. 5 is circuit diagram of the present invention.
Embodiment
Below in conjunction with embodiment shown in the drawings, technological scheme of the present invention is described in detail below:
As shown in Figures 1 to 5, the durable pulse monitoring device of a kind of automobile ignition coil, comprise in central processor MCU, photoelectric isolating circuit, RS232 communication module, keystroke handling interface, data and send total station interface, fault lock operation-interface, display screen interface, photoelectric isolating circuit, RS232 communication module, keystroke handling interface, data are sent total station interface, fault lock operation-interface, display screen interface are connected with central processor MCU respectively; Central processing unit (CPU) adopts single-chip microcomputer MSP430F149.
The durable pulse monitoring device of a kind of automobile ignition coil of the present invention, is connected across on existing durable ageing management platform, simultaneously by order wire, is connected with trouble analysis system.
Functional realiey of the present invention: after external pulse signal is numbered U301 by the photo coupler TLP521-4 of photoelectric isolating circuit, enter the central processor MCU that model is MSP430F149, central processor MCU counts input pulse signal and edge process respectively.Completing pulse collection by MCU, pulsewidth, frequency, accumulative monitoring are carried out to acquisition pulse, pre-setting frequency and width parameter for exceeding, overclocking, ultra-wide fault, record its time of origin and deadline, and carry out external data preservation, after being convenient to, carry out data analysis.System main website can call survey data at any time together and carry out resultant fault analysis.
System main website carries out the redjustment and modification of device parameter by RS232 communication interface or calls survey record data, fault data etc. together.Device itself possesses display screen, also can carry out data query.
The function that the present invention realizes is as follows:
1, following parameters arranged and call survey together:
1. real-time time;
2. the accurate input pulse frequency of 4 road sign, pulsewidth;
3. the 4 out-of-limit pulse frequencies in tunnel, pulsewidth;
4. 4 tunnel out-of-limit working times;
5. 4 way control switch, open not-in-use sign;
2, survey is called to following real time data together:
6. 4 road input pulses add up number;
7. 4 road input pulse real-time frequency;
8. the real-time pulsewidth of 4 road input pulse;
9. 4 tunnels input real-time pulse overclocking fault road sign+time of origin+overclock frequency+deadlines;
10. 4 tunnels input real-time pulsewidth transfinites fault road sign+time of origin+out-of-limit pulsewidth+deadline;
4 road input pulse normal high fault road sign+time of origin+high level lasting time+deadline;
4 Real-Time Switch states;
Current real-time time;
3, to record and the storage of historical data, every historical failure 112 can be retained, power on and off record 32:
1. 4 tunnel pulse overclocking fault road sign+time of origin+overclock frequency+deadlines;
2. 4 tunnel pulsewidths transfinite fault road sign+time of origin+out-of-limit pulsewidth+deadline;
3. 4 road input pulse normal high fault road sign+time of origin+high level lasting time+deadline;
4. device power time+power down time;
4, remote control 4 tunnel closes and disconnects.
Monitoring performance parameter of the present invention is:
1. record every road umber of pulse :≤4294967295 notes: be greater than 50Hz × 10000 hour
2. pulse frequency can be monitored :≤200Hz
3. count enable pulse width: 1.0Ms ∽ 60Ms
4. pulse duration range can be monitored: 1.0Ms ∽ 65Ms
5. judge normal high level: >=60Ms.
6. can monitoring record fault :≤112 × 3 class fault notes: overclocking+ultra-wide+often high
7. can monitor power down record :≤32.
Claims (2)
1. the durable pulse monitoring device of automobile ignition coil, it is characterized in that: comprise the central processor MCU be arranged in casing, photoelectric isolating circuit, RS232 communication module, keystroke handling interface, data Shang Song main website interface, fault lock operation-interface, display screen interface, described photoelectric isolating circuit, RS232 communication module, keystroke handling interface, data Shang Song main website interface, fault lock operation-interface, display screen interface are connected with central processor MCU respectively; Central processor MCU adopts single-chip microcomputer MSP430F149.
2. the implementation method of the durable pulse monitoring device of automobile ignition coil, it is characterized in that: signal generator output pulse signal access device optoelectronic isolator is carried out protective separation, then the signal capture passage of input signal access central processor MCU, central processor MCU judges the width of pulse by the rising edge and trailing edge of catching pulse; Utilize interrupt acquisition port low and high level mode simultaneously, judge a complete Puled input, thus realize the collection of an overall pulse, and the pulse number carrying out the time in seconds adds up, and draws pulse frequency; Pulse monitoring device gathers the out-of-limit pulsewidth, the frequency parameter that pre-set in real-time pulse pulsewidth, frequency and central processor MCU compare judgement by catching; Out-of-limit pulse judges to adopt real-time judge mode, often gathers a complete pulse and all will judge, when gathering pulsewidth and being more than or equal to predefined value, then records current time, carries out fault preservation, and do real-time ultra-wide fault occurrence flag; When pulsewidth is less than predefined value again, then recording current time is failure recovery time, and removes real-time ultra-wide Reflector; Be more than or equal to default out-of-limit working time when the failure operation time, automatic operation lock performs tripping action, carries out protective separation, blocks down pulse input;
Pulse overclocking breakdown judge is Task per second, whenever to whole second, the pulse number that real-time whole second adds up by central processor MCU and the pulse frequency pre-set compare judgement, when second, accumulated pulse number was more than or equal to predeterminated frequency, then record current time, carry out fault preservation, and do real-time overclocking fault occurrence flag; When within next second, real-time pulse frequency is less than predefined value again, then recording current time is failure recovery time, and removes real-time overclocking Reflector; Be more than or equal to default out-of-limit working time when the failure operation time, automatic operation lock performs tripping action, carries out protective separation, blocks down pulse input;
System main website is carried out parameter adjustment amendment by RS232 module paired pulses monitoring device and is called together survey, also calls survey together to real time data, historical data, fault data;
That is, system main website paired pulses monitoring device carries out: the parameter of real-time time, 4 road input pulse frequencies, pulsewidth, out-of-limit working time, 4 tunnel start and stop control switchs is carried out setting and calls survey together;
System main website paired pulses monitoring device carries out: 4 road input pulses add up number, 4 road input pulse real-time frequency, the real-time pulsewidth of 4 road input pulse, 4 road Real-Time Switch status datas call survey together in real time;
System main website carries out described pulse monitoring device: frequency between 4 tunnels input real-time pulse overclocking fault road signs, time of failure, fault deadline, age at failure, 4 tunnels input real-time pulsewidth transfinites fault road sign, time of failure, fault deadline, fault pulse width time, the normal high time of failure of 4 road input pulse, fault deadline, high level lasting time, the data of device power time and power down time call survey together in real time;
System main website carries out described pulse monitoring device: the remote closing of 4 switch and disconnection;
Pulse monitoring device itself also connects display screen by display screen interface, carries out corresponding data inquiry.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510624195.1A CN105134451B (en) | 2015-09-25 | 2015-09-25 | Realizing method of pulse monitoring device for durability of automobile ignition coil |
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| CN201510624195.1A CN105134451B (en) | 2015-09-25 | 2015-09-25 | Realizing method of pulse monitoring device for durability of automobile ignition coil |
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| CN105134451A true CN105134451A (en) | 2015-12-09 |
| CN105134451B CN105134451B (en) | 2017-05-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106603043A (en) * | 2017-01-25 | 2017-04-26 | 国网上海市电力公司 | Jittering signal isolator |
| CN107632907A (en) * | 2017-08-07 | 2018-01-26 | 郑州云海信息技术有限公司 | A kind of BMC chip mandatory system and its control method |
| CN109586788A (en) * | 2018-12-10 | 2019-04-05 | 宜春学院 | Monitoring system method for diagnosing faults, device, computer equipment and storage medium |
| CN109857081A (en) * | 2018-12-14 | 2019-06-07 | 中国人民解放军战略支援部队航天工程大学 | A kind of carrier rocket emissioning controling signal measurement method |
| CN110673532A (en) * | 2019-10-31 | 2020-01-10 | 重庆凯瑞汽车试验设备开发有限公司 | Pulse signal processing and collecting device |
| CN111852720A (en) * | 2020-07-03 | 2020-10-30 | 天津市新阳汽车电子有限公司 | Double high-temperature endurance test box |
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| CN203939617U (en) * | 2014-06-26 | 2014-11-12 | 遵义长征汽车零部件有限公司 | The quick endurance test circuit arrangement of a kind of spark coil |
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| CN1746484A (en) * | 2005-10-19 | 2006-03-15 | 彭志滨 | Firing coil test of vehicle |
| JP2007303317A (en) * | 2006-05-10 | 2007-11-22 | Diamond Electric Mfg Co Ltd | Misfire detection device for internal combustion engine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106603043A (en) * | 2017-01-25 | 2017-04-26 | 国网上海市电力公司 | Jittering signal isolator |
| CN107632907A (en) * | 2017-08-07 | 2018-01-26 | 郑州云海信息技术有限公司 | A kind of BMC chip mandatory system and its control method |
| CN107632907B (en) * | 2017-08-07 | 2020-10-23 | 苏州浪潮智能科技有限公司 | BMC chip hosting system and control method thereof |
| CN109586788A (en) * | 2018-12-10 | 2019-04-05 | 宜春学院 | Monitoring system method for diagnosing faults, device, computer equipment and storage medium |
| CN109857081A (en) * | 2018-12-14 | 2019-06-07 | 中国人民解放军战略支援部队航天工程大学 | A kind of carrier rocket emissioning controling signal measurement method |
| CN110673532A (en) * | 2019-10-31 | 2020-01-10 | 重庆凯瑞汽车试验设备开发有限公司 | Pulse signal processing and collecting device |
| CN110673532B (en) * | 2019-10-31 | 2020-08-04 | 重庆凯瑞汽车试验设备开发有限公司 | Pulse signal processing and collecting device |
| CN111852720A (en) * | 2020-07-03 | 2020-10-30 | 天津市新阳汽车电子有限公司 | Double high-temperature endurance test box |
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| CN105134451B (en) | 2017-05-17 |
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