CN105134451B - Realizing method of pulse monitoring device for durability of automobile ignition coil - Google Patents
Realizing method of pulse monitoring device for durability of automobile ignition coil Download PDFInfo
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- CN105134451B CN105134451B CN201510624195.1A CN201510624195A CN105134451B CN 105134451 B CN105134451 B CN 105134451B CN 201510624195 A CN201510624195 A CN 201510624195A CN 105134451 B CN105134451 B CN 105134451B
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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, more particularly to a kind of automobile ignition coil is durable
Implementation method of the platform with pulse monitoring device.
Background technology
At present, many electronic products detected or routine test in, can by the use of pulse generator as signal input,
Product is tested or durable degradation.For example：Automobile ignition coil product.When product is researching and developing the durable aging checking phase
Between during, typically carry out 120 DEG C Celsius, 500 hours, 50 times/second i.e. 50Hz high temperature long-time, high frequency time product it is powered
It is durable aging.During durable checking, pulse generating units may produce failure pulse signal even because of situations such as interference
It is normal high level, these situations are unforeseen in process of the test.And down pulse is produced probably to carrying out
The product of durable checking causes fatal damage, causes checking normally complete.And cause the reason for verifying damage of product also
Clearly can not determine.To study and solve for this purpose, how to solve this problem and just become those skilled in the art
Problem.
The content of the invention
The present invention is aiming at the present situation for carrying out durable checking at present by pulse monitoring device, by signal generator
The real-time monitorings such as the number of signal pulse, width, frequency are sent, time that real-time capture abnormal signal occurs, width, frequency etc.
Information, records, preserves its generation time and deadline, and the termination failure after the value range more than the out-of-limit run time of setting
Signal pulse is input into, and the normal operation and accident analysis for durable checking coil provides a kind of instrument effective in real time.
The present invention is achieved by the following technical solutions：A kind of reality of the durable use pulse monitoring device of automobile ignition coil
Existing method, connects including the central processor MCU, photoelectric isolating circuit, RS232 communication modules, keystroke handling being arranged in casing
Mouth, data Shang Song main website interface, failure lock operate interface, display screen interface, the photoelectric isolating circuit, RS232 communication modules,
Keystroke handling interface, data Shang Song main website interface, failure lock operate interface, display screen interface are connected with central processor MCU respectively
Connect；Central processor MCU adopts single-chip microcomputer MSP430F149.
It is characterized in that：Signal generator output pulse signal access device photoisolator is carried out into protective separation, so
Afterwards input signal access central processor MCU signal capture passage, central processor MCU by capture pulse rising edge and
Trailing edge judges the width of pulse；Interrupt acquisition port low and high level mode is utilized simultaneously, judges a complete pulse input,
So as to realize the collection of an overall pulse, and carry out the pulse number of time in seconds and add up, draw pulse frequency；Pulse
Monitoring device is by capturing more limited pulse width, the frequency that pre-set in collection real-time pulse pulsewidth, frequency and central processor MCU
Parameter is compared judgement；Out-of-limit pulse judges that using real-time judge mode often gathering a complete pulse will be judged,
When pulsewidth being gathered more than or equal to preset value, then record current time, carry out failure preservation, and do real-time ultra-wide failure that mark occurs
Note；When pulsewidth is again less than preset value, then it is failure recovery time to record current time, and removes real-time ultra-wide failure mark
Will；When the failure operation time be more than or equal to default out-of-limit run time, be automatically brought into operation lock perform tripping action, protected every
From blocking down pulse input；
Pulse overclocking breakdown judge is Task per second, whenever to the whole second, the arteries and veins that the real-time whole second is added up by central processor MCU
Rush number and judgement is compared with the pulse frequency for pre-setting, when second accumulated pulse number is more than or equal to predeterminated frequency, then
Record current time, carries out failure preservation, and does real-time overclocking failure occurrence flag；When next second real-time pulse frequency it is little again
When preset value, then it is failure recovery time to record current time, and removes real-time overclocking Reflector；When the failure operation time
More than or equal to default out-of-limit run time, it is automatically brought into operation lock and performs tripping action, carry out protective separation, blocking down pulse is defeated
Enter；
System main website carries out parameter adjustment modification by RS232 modules and calls survey together to pulse monitoring device, also to number in real time
According to, historical data, fault data carry out calling survey together；
That is, system main website is carried out to pulse monitoring device：Real-time time, 4 road input pulse frequencies, pulsewidth, out-of-limit operation
Time, the parameter of 4 tunnel start and stop controlling switches are configured and call survey together；
System main website is carried out to pulse monitoring device：4 road input pulses add up number, 4 road input pulse real-time frequencies, 4
The real-time pulsewidth of road input pulse, 4 road Real-Time Switch status datas are called together survey in real time；
System main website is carried out to the pulse monitoring device：When 4 tunnels input real-time pulse overclocking failure road sign, failure occur
Between, failure deadline, frequency during failure, 4 tunnels are input into transfinite failure road sign, time of failure, failure of real-time pulsewidth and cut
Only time, failure pulse width time, 4 road input pulses often high time of failure, failure deadline, high level lasting time,
The data of device power time and power down time call survey in real time together；
System main website is carried out to the pulse monitoring device：The remote closing of 4 switch and disconnection；
Pulse monitoring device itself also can connect display screen by display screen interface, carry out corresponding data inquiry.
The invention has the beneficial effects as follows：This device realizes judgement, storage and the Fault Isolation of signal pulse, protects survey
The safe and effective checking of examination device product.Device clear function itself understands, realizes：Monitoring signals pulse frequency, when super
Failure is recorded during frequency.
Monitoring signals pulse, records failure when ultra-wide.
When monitoring signals pulse is normal high level, failure is recorded.
Collection input signal record cumulative total.
It is more than or equal to default out-of-limit run time when the failure operation time, automatic termination failure pulse input, is durable
The normal operation and accident analysis of checking coil provides a kind of instrument effective in real time.It is simple to operation, it is real-time.
Description of the drawings
Fig. 1 is the circuit connection block diagram of the present invention；
Fig. 2 is the system pie graph of the present invention；
Fig. 3 is the system connection figure of the present invention；
Fig. 4 is the workflow diagram of the present invention；
Fig. 5 is the circuit diagram of the present invention.
Specific embodiment
Shown embodiment is described in detail below to technical scheme below in conjunction with the accompanying drawings：
As shown in Figures 1 to 5, a kind of implementation method of the durable use pulse monitoring device of automobile ignition coil, including central authorities
Total station interface, the operation of failure lock are sent in processor MCU, photoelectric isolating circuit, RS232 communication modules, keystroke handling interface, data
Interface, display screen interface, send total station interface, failure in photoelectric isolating circuit, RS232 communication modules, keystroke handling interface, data
Lock operate interface, display screen interface are connected with central processor MCU respectively；Central processing unit adopts single-chip microcomputer MSP430F149.
A kind of automobile ignition coil of the present invention is durable to use pulse monitoring device, is connected across existing durable ageing management platform
On, while by order wire, being connected with trouble analysis system.
Functional realiey of the present invention：External pulse signal is numbered by the photoelectrical coupler TLP521-4 of photoelectric isolating circuit
After U301, into the central processor MCU of model MSP430F149, central processor MCU is entered to input pulse signal respectively
Row is counted and along process.Pulse collection is completed by MCU, pulsewidth, frequency, accumulative monitoring is carried out to acquisition pulse, for more than pre-
Frequency and width parameter are first set, and overclocking, ultra-wide failure record its time of origin and deadline, and carry out external data
Preserve, after being easy to, carry out data analysiss.System main website can call survey data at any time together and carry out resultant fault analysis.
System main website can carry out the redjustment and modification of device parameter by RS232 communication interfaces or call survey record data, failure together
Data etc..Device possesses display screen in itself, can also carry out data query.
The function that the present invention is realized is as follows：
1st, following parameters are arranged and calls survey together：
1. real-time time；
2. 4 tunnel standard input pulse frequencies, pulsewidth；
3. the out-of-limit pulse frequency in 4 tunnels, pulsewidth；
4. the out-of-limit run time in 4 tunnels；
5. 4 way control switch, opens not-in-use sign；
2nd, 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 pulses；
9. 4 tunnels are input into real-time pulse overclocking failure road sign+time of origin+overclock frequency+deadline；
10. 4 tunnels are input into real-time pulsewidth and transfinite failure road sign+time of origin+more limited pulse width+deadline；
4 road input pulses normal high failure road sign+time of origin+high level lasting time+deadlines；
4 Real-Time Switch states；
Current real-time time；
3rd, the record to historical data and storage, can retain each historical failure 112, and power on and off records 32：
1. 4 tunnel pulse overclocking failure road signs+time of origin+overclock frequency+deadline；
2. 4 tunnel pulsewidths transfinite failure road sign+time of origin+more limited pulse width+deadline；
3. 4 road input pulses normal high failure road sign+time of origin+high level lasting time+deadline；
4. device power time+power down time；
4th, 4 tunnel of remote control closure and disconnection.
Monitoring performance parameter of the present invention is：
1. record per road umber of pulse：≤ 4294967295 notes：More than 50Hz × 10000 hour
2. pulse frequency can be monitored：≤ 200Hz
3. countable pulse width：1.0 Ms ∽ 60 Ms
4. pulse duration range can be monitored：1.0 Ms ∽ 65 Ms
5. normal high level is judged： ≥ 60Ms.
6. can monitoring record failure：≤ 112 × 3 class failures are noted：Overclocking+ultra-wide+often high
7. power down record can be monitored：≤ 32.
Claims (1)
1. a kind of implementation method of the durable use pulse monitoring device of automobile ignition coil, is processed including the central authorities being arranged in casing
Device MCU, photoelectric isolating circuit, RS232 communication modules, keystroke handling interface, data Shang Song main website interface, the operation of failure lock connect
Mouth, display screen interface, the photoelectric isolating circuit, RS232 communication modules, keystroke handling interface, data Shang Song main website interface, event
Barrier lock operate interface, display screen interface are connected with central processor MCU respectively；Central processor MCU adopts single-chip microcomputer
MSP430F149；
It is characterized in that：Signal generator output pulse signal access device photoisolator is carried out into protective separation, it is then defeated
Enter the signal capture passage that signal accesses central processor MCU, rising edge and decline of the central processor MCU by capture pulse
Along the width for judging pulse；Interrupt acquisition port low and high level mode is utilized simultaneously, judges a complete pulse input, so as to
The collection of an overall pulse is realized, and carries out the pulse number of time in seconds adding up, draw pulse frequency；Pulse is monitored
Device is by capturing more limited pulse width, the frequency parameter that pre-set in collection real-time pulse pulsewidth, frequency and central processor MCU
It is compared judgement；Out-of-limit pulse judges that using real-time judge mode often gathering a complete pulse will be judged, when adopting
When collection pulsewidth is more than or equal to preset value, then current time is recorded, failure preservation is carried out, and is done real-time ultra-wide failure occurrence flag；
When pulsewidth is again less than preset value, then it is failure recovery time to record current time, and removes real-time ultra-wide Reflector；When
The failure operation time is more than or equal to default out-of-limit run time, is automatically brought into operation lock and performs tripping action, carry out protective separation, hinders
Disconnected down pulse input；
Pulse overclocking breakdown judge is Task per second, and whenever to the whole second, central processor MCU will be accumulative the real-time whole second pulse individual
Number is compared judgement with the pulse frequency for pre-setting, and when second accumulated pulse number is more than or equal to predeterminated frequency, then records
Current time, carries out failure preservation, and does real-time overclocking failure occurrence flag；When next second real-time pulse frequency is again less than pre-
If during value, then it is failure recovery time to record current time, and removes real-time overclocking Reflector；It is more than when the failure operation time
Equal to default out-of-limit run time, it is automatically brought into operation lock and performs tripping action, carries out protective separation, blocking down pulse input；
System main website carries out parameter adjustment modification by RS232 modules and calls survey together to pulse monitoring device, also to real time data, goes through
History data, fault data carry out calling survey together；
That is, system main website is carried out to pulse monitoring device：Real-time time, 4 road input pulse frequencies, pulsewidth, out-of-limit run time,
The parameter of 4 tunnel start and stop controlling switches is configured and calls survey together；
System main website is carried out to pulse monitoring device：It is defeated that 4 road input pulses add up number, 4 road input pulse real-time frequencies, 4 roads
Enter the real-time pulsewidth of pulse, 4 road Real-Time Switch status datas and called together survey in real time；
System main website is carried out to the pulse monitoring device：4 tunnels input real-time pulse overclocking failure road sign, time of failure,
Frequency during failure deadline, failure, 4 tunnels are input into real-time pulsewidth transfinites failure road sign, time of failure, failure when ending
Between, failure pulse width time, 4 road input pulses often high time of failure, failure deadline, high level lasting time, equipment
The data of power-on time and power down time call survey in real time together；
System main website is carried out to the pulse monitoring device：The remote closing of 4 switch and disconnection；
Pulse monitoring device itself also can connect display screen by display screen interface, carry 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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| CN105134451B true CN105134451B (en) | 2017-05-17 |
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Families Citing this family (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 |
| 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 |
| CN109586788B (en) * | 2018-12-10 | 2021-08-24 | 宜春学院 | Monitoring system fault diagnosis method and 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 |
| 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 |
| CN111852720B (en) * | 2020-07-03 | 2022-05-03 | 天津市新阳汽车电子有限公司 | Double high-temperature endurance test box |
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| CN1746484A (en) * | 2005-10-19 | 2006-03-15 | 彭志滨 | Firing coil test of vehicle |
| CN2934639Y (en) * | 2006-07-19 | 2007-08-15 | 天津斯巴克瑞汽车电子有限公司 | Ignition coil integral parameter test platform |
| JP2007303317A (en) * | 2006-05-10 | 2007-11-22 | Diamond Electric Mfg Co Ltd | Misfire detection device for internal combustion engine |
| CN201041128Y (en) * | 2007-06-20 | 2008-03-26 | 天津大学 | Motorcycle igniter coming angle test device |
| CN202883212U (en) * | 2012-08-14 | 2013-04-17 | 天津斯巴克瑞汽车电子有限公司 | Non-contact type intelligent detector special for ignition |
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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 |
| CN2934639Y (en) * | 2006-07-19 | 2007-08-15 | 天津斯巴克瑞汽车电子有限公司 | Ignition coil integral parameter test platform |
| CN201041128Y (en) * | 2007-06-20 | 2008-03-26 | 天津大学 | Motorcycle igniter coming angle test device |
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