CN105137965A - Detection method and apparatus for multichannel igniting control system - Google Patents
Detection method and apparatus for multichannel igniting control system Download PDFInfo
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- CN105137965A CN105137965A CN201510595709.5A CN201510595709A CN105137965A CN 105137965 A CN105137965 A CN 105137965A CN 201510595709 A CN201510595709 A CN 201510595709A CN 105137965 A CN105137965 A CN 105137965A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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Abstract
The invention discloses a detection method and an apparatus for a multichannel igniting control system. The method includes following steps: S1, a single-chip microcomputer control unit obtains starting signals from a starting detection button, outputs starting switch signals to 4 groups of electronic type program controllers, and the starting switch signals comprise delay time setting signals and control sequence setting signals; S2, when the electronic type program controllers receive the delay time setting signals and the control sequence setting signals, 12 channels of igniting signals are outputted according to the setting of the signals; S3, the igniting signals outputted by the electronic type program controllers are sent to an igniting voltage detection unit via an interface circuit, and the igniting voltage detection unit detects the igniting signals; and S4, detection personnel determines the correctness of the output of the multichannel igniting control system according to the display condition of indicating lamps. According to the method and the apparatus, the multichannel igniting control system can be rapidly and accurately detected, the size of the apparatus is small, the carrying is convenient, and the restriction of usage conditions is prevented.
Description
Technical field
The present invention relates to a kind of hyperchannel Iganition control system detection method and device.
Background technology
The starting switch delays time to control of the electronic type programming controller newly developed at present and igniting output voltage detect does not have fairly perfect control and detecting instrument, the multiple devices combined methods such as the multiple electronic timing relay of general employing, data acquisition unit, direct-flow voltage regulation source, stube cable and socket detect, operating difficulties, use very inconvenient, detection efficiency is low, experimentation cost is high, particularly in environmental stress screening process of the test, there is no multiple stage Product checking opertaing device, in order to ensure product quality, need to develop a kind of electric-control system detection control apparatus.
Summary of the invention
The technical problem to be solved in the present invention is starting switch time delay for hyperchannel Iganition control system in prior art and igniting output voltage detection efficiency is low, accuracy is not up to standard defect, provides a kind of method that can automatically detect hyperchannel Iganition control system fast, accurately and device.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides a kind of hyperchannel Iganition control system detection method, comprise the following steps:
After S1, single chip control unit obtain enabling signal from start detection button, export starting switch signals to 4 groups of electronic type programming controllers, comprise signalization and Control timing sequence signalization time delay;
S2, when electronic type programming controller receive this time delay signalization and Control timing sequence signalization after, according to signal, output 12 road ignition signal is set;
The ignition signal that S3, electronic type programming controller export sends into ignition voltage detecting unit through interface circuit, and the testing process of ignition voltage detecting unit to ignition signal specifically comprises:
S31, ignition signal send into the positive pole of the comparator input terminal of ignition voltage detecting unit, after carrying out direct ratio dividing potential drop by the resistance of comparator input terminal negative pole, and the output terminal output signal of comparer;
If S32 output signal is less than or equal to 25V, export as low level, transistor not conducting, pilot lamp does not work, and indicates without ignition signal;
If S33 output signal is greater than 25V, export as high level, transistor turns, pilot lamp is bright, indicates ignition signal;
S4, testing staff judge according to the display situation of pilot lamp the correctness that hyperchannel Iganition control system exports.
In step S1 time delay signalization and the method to set up of Control timing sequence signalization be specially:
Adopt single-button mode, length temporally arranges button, and the time, 10ms increased progressively, then vice-minister temporally arranges button, and the time, 10ms successively decreased.
In step S3, the display of pilot lamp is by after the discharge delay of electric capacity, extends its displaying time.
The present invention also provides a kind of hyperchannel Iganition control system pick-up unit, comprising:
Single-chip microcomputer, for arranging starting switch signal, comprise Control timing sequence signal and time delay signal, and export this starting switch signal to electronic type programming controller;
Output control circuit, is connected with described single-chip microcomputer, for the control signal of described single-chip microcomputer being exported to the input interface circuit be connected with described output control circuit;
Ignition voltage testing circuit, is connected with described input interface circuit, and for detecting the ignition signal inputted according to the control signal of described single-chip microcomputer, result is shown by LED indicating circuit, and testing staff determines the correctness exported according to its display situation.
Also comprise the mu balanced circuit, key circuit and the digital pipe display circuit that are connected with described single-chip microcomputer.
The beneficial effect that the present invention produces is: hyperchannel Iganition control system detection method of the present invention, by single chip control unit to time delay signal and Control timing sequence signal arrange, then by ignition voltage detecting unit, it is tested, and testing result is shown by pilot lamp, can detect hyperchannel Iganition control system fast, accurately; Use modular single-chip computer control system to detect it, device volume is little, is convenient for carrying, not by the restriction of service condition; And automatically detected by program completely, workshop assembly crewman just can detect after assembling equipment voluntarily, and practicality is better.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the process flow diagram of the hyperchannel Iganition control system detection method of the embodiment of the present invention;
Fig. 2 is the structural representation of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention;
Fig. 3 is the set of time circuit diagram of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention;
Fig. 4 is the control output circuit figure of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention;
Fig. 5 is that the ignition voltage of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention detects comparator circuit figure;
Fig. 6 is the digital pipe display circuit figure of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention;
Fig. 7 is the power supply stabilization circuit figure of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention;
Fig. 8 is the Single Chip Microcomputer (SCM) program process flow diagram of the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention;
1-single-chip microcomputer in figure, 2-output control circuit, 3-input interface circuit, 4-ignition voltage testing circuit.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, hyperchannel Iganition control system detection method of the present invention, comprises the following steps:
After S1, single chip control unit obtain enabling signal from start detection button, export starting switch signals to 4 groups of electronic type programming controllers, comprise signalization and Control timing sequence signalization time delay; This time delay signalization and the method to set up of Control timing sequence signalization be specially: adopt single-button mode, longly temporally arrange button, the time, 10ms increased progressively, then vice-minister temporally arranges button, and the time, 10ms successively decreased.
S2, when electronic type programming controller receive this time delay signalization and Control timing sequence signalization after, according to signal, output 12 road ignition signal is set;
The ignition signal that S3, electronic type programming controller export sends into ignition voltage detecting unit through interface circuit, and the testing process of ignition voltage detecting unit to ignition signal specifically comprises:
S31, ignition signal send into the positive pole of the comparator input terminal of ignition voltage detecting unit, after carrying out direct ratio dividing potential drop by the resistance of comparator input terminal negative pole, and the output terminal output signal of comparer;
If S32 output signal is less than or equal to 25V, export as low level, transistor not conducting, pilot lamp does not work, and indicates without ignition signal;
If S33 output signal is greater than 25V, export as high level, transistor turns, pilot lamp is bright, indicates ignition signal;
The display of pilot lamp, by after the discharge delay of electric capacity, extends its displaying time.
S4, testing staff judge according to the display situation of pilot lamp the correctness that hyperchannel Iganition control system exports.
As shown in Figure 2, the hyperchannel Iganition control system pick-up unit of the embodiment of the present invention, for realizing the hyperchannel Iganition control system detection method of the embodiment of the present invention, comprising:
Single-chip microcomputer 1, for arranging starting switch signal, comprise Control timing sequence signal and time delay signal, and export this starting switch signal to electronic type programming controller;
Output control circuit 2, is connected with single-chip microcomputer 1, for the control signal of single-chip microcomputer 1 being exported to the input interface circuit 3 be connected with output control circuit 2;
Ignition voltage testing circuit 4, is connected with input interface circuit 3, and for detecting the ignition signal inputted according to the control signal of single-chip microcomputer 1, result is shown by LED indicating circuit, and testing staff determines the correctness exported according to its display situation.
What be connected with single-chip microcomputer 1 also has mu balanced circuit, key circuit and digital pipe display circuit.
In another embodiment of the present invention, as shown in Figure 3, Figure 4, set of time and control output circuit adopt AT89C52 single-chip processor i/o mouth control technology to realize arranging time delay and Control timing sequence setting, employing single-button is set time delay, length completes by S4, S5 and S6 button, time arranged of satisfying the demand when displayed unclamps button and completes setting, after single-chip microcomputer electrification reset, Lookup protocol K0 exports time delay is 0ms, it is 20ms that K1 exports time delay, K2 output time delay is 40ms, K3 output time delay is 60ms.Length is pressed S3 key and is arranged Control timing sequence, totally 16 kinds of sequential, represent by numeral 0 to 15, the duty that K0 to K3 exports represents with four 2 system numbers, " 1 " represents work, " 0 " expression does not work, if charactron display numeral " 15 " corresponding tetrad is " 1111 ", then represent that K0 to K3 works, this state is automatically set as after single-chip microcomputer powers on, display numeral " 14 " corresponding tetrad is " 1110 ", then represent K0, K1 and K2 works, K3 does not work, display numeral " 13 " corresponding tetrad is " 1101 ", then represent that K2 does not work, other all works, in like manner show numeral " 1 " correspondence " 0001 " and then represent K0, K1 and K2 does not work, K3 is only had to work.When pressing S1 and detecting start key, single-chip microcomputer P1 mouth exports a high level by setting time delay successively, and Direct driver integrated circuit ULN2803 controls four group relay work, exports four groups of switch activated control signals.
The electrify restoration circuit of single-chip microcomputer is made up of resistance R1 and capacitor C5, and external oscillation circuit, is made up of C3, C4 and Y1; C1 and C2 forms electric source filter circuit, and output signal control circuit is made up of four groups of 2JT1-930 relays and external 4 protection diodes.
As shown in Figure 5, ignition voltage detects comparator circuit primarily of device compositions such as U3 integrated circuit LM339 and Q1 transistors 9013, ignition voltage input signal, sends into LM339 comparator input terminal positive pole through J5; When without ignition voltage input signal, LM399 inputs negative pole by R10 and R12 direct ratio dividing potential drop, is approximately 25V, and LM339 exports as electronegative potential, the not conducting of Q1 transistor, and LED light does not work; When the ignition output signal sent into is greater than 25V voltage, LM339 exports as noble potential, and Q1 transistor turns, LED light is bright.D10, C5 and R14 are for postponing LED display circuit, because the pulse width of ignition input signal is very short, general within 300ms, LED output indicator bright time is very short, after C5 and R14 discharge delay, LED displaying time is elongated, reach more than 3 seconds, if increase LED displaying time, the capacitance of C10 can be strengthened or increase the resistance value of R14, the resistance value of R14 can not be excessive, should ensure the reliable conducting of Q1 transistor.D10 is electric discharge isolation, R10 and R12 resistance is the minimum amount of voltage that of guarantee point ignition voltage input signal, can change the size of resistance value according to technical requirement.
As shown in Figure 6, display circuit adopts dynamic working mode, connect 8 2K pull-up resistors by 3 one charactrons and P0 mouth to form, described charactron is 3361BS, because the working current of charactron used is little, adopt single-chip microcomputer P0 mouth and P2 mouth Direct driver, when P0 mouth high level, P2 mouth is low level numeral method, and when P0 mouth is low level, charactron does not show.
As shown in Figure 7; power circuit adopts 28v direct current supply; R73 and D26 forms 28V voltage indicating circuit; resistance R74 is current limiting safeguard resistor; 28V voltage, through C18 and C19 capacitor filter, sends into the voltage stabilizing of LM7805 integrated circuit, then by C16 and C17 capacitor filtering; use the 5V that single-chip microcomputer is provided, guarantee that single-chip microcomputer sequential control is reliable.
As shown in Figure 8, Software for Design is the key of this patent design, for the ease of expansion and change, the design of software adopts modular construction, make the logical relation of program design more simple and clear like this, software mainly contains system initialization module, time block, set of time module, igniting output control module and dynamic charactron display module.When pick-up unit powers on, system automatically resets, system Lookup protocol K0 ~ K3 initial value time delay after resetting, k0 time initial value is set to 0ms, k1 set of time is 50ms, k2 set of time is 100ms, k3 set of time is 180ms, when microprocessor detect is pressed to startup button, press the time output startup control signal that K0 ~ K3 is arranged immediately, after electronic type programming controller receives enabling signal, start-up time according to K0 ~ K3 judges how to export ignition signal, detect through voltage comparator circuit, shown by LED after meeting the demands, user shows the correctness of situation determination output of products according to LED.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (5)
1. a hyperchannel Iganition control system detection method, is characterized in that, comprises the following steps:
After S1, single chip control unit obtain enabling signal from start detection button, export starting switch signals to 4 groups of electronic type programming controllers, comprise signalization and Control timing sequence signalization time delay;
S2, when electronic type programming controller receive this time delay signalization and Control timing sequence signalization after, according to signal, output 12 road ignition signal is set;
The ignition signal that S3, electronic type programming controller export sends into ignition voltage detecting unit through interface circuit, and the testing process of ignition voltage detecting unit to ignition signal specifically comprises:
S31, ignition signal send into the positive pole of the comparator input terminal of ignition voltage detecting unit, after carrying out direct ratio dividing potential drop by the resistance of comparator input terminal negative pole, and the output terminal output signal of comparer;
If S32 output signal is less than or equal to 25V, export as low level, transistor not conducting, pilot lamp does not work, and indicates without ignition signal;
If S33 output signal is greater than 25V, export as high level, transistor turns, pilot lamp is bright, indicates ignition signal;
S4, testing staff judge according to the display situation of pilot lamp the correctness that hyperchannel Iganition control system exports.
2. hyperchannel Iganition control system detection method according to claim 1, is characterized in that, in step S1 time delay signalization and the method to set up of Control timing sequence signalization be specially:
Adopt single-button mode, length temporally arranges button, and the time, 10ms increased progressively, then vice-minister temporally arranges button, and the time, 10ms successively decreased.
3. hyperchannel Iganition control system detection method according to claim 1, is characterized in that, in step S3, the display of pilot lamp is by after the discharge delay of electric capacity, extends its displaying time.
4. a hyperchannel Iganition control system pick-up unit, is characterized in that, comprising:
Single-chip microcomputer (1), for arranging starting switch signal, comprise Control timing sequence signal and time delay signal, and export this starting switch signal to electronic type programming controller;
Output control circuit (2), is connected with described single-chip microcomputer (1), for the control signal of described single-chip microcomputer (1) being exported to the input interface circuit (3) be connected with described output control circuit (2);
Ignition voltage testing circuit (4), be connected with described input interface circuit (3), for detecting the ignition signal inputted according to the control signal of described single-chip microcomputer (1), result is shown by LED indicating circuit, and testing staff determines the correctness exported according to its display situation.
5. hyperchannel Iganition control system pick-up unit according to claim 4, is characterized in that, also comprises the mu balanced circuit, key circuit and the digital pipe display circuit that are connected with described single-chip microcomputer (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510595709.5A CN105137965B (en) | 2015-09-18 | 2015-09-18 | A kind of multichannel Iganition control system detection method and device |
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| CN201510595709.5A CN105137965B (en) | 2015-09-18 | 2015-09-18 | A kind of multichannel Iganition control system detection method and device |
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| CN105137965A true CN105137965A (en) | 2015-12-09 |
| CN105137965B CN105137965B (en) | 2019-01-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738228A (en) * | 2016-04-15 | 2016-07-06 | 中国矿业大学(北京) | Experiment loading system and method for researching movement crack interaction mechanism |
| CN113093692A (en) * | 2021-03-16 | 2021-07-09 | 上海机电工程研究所 | Automatic testing method and system for ignition control system |
| CN114217599A (en) * | 2021-12-14 | 2022-03-22 | 北京机电工程研究所 | Aircraft ground energy control platform |
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| CN113093692A (en) * | 2021-03-16 | 2021-07-09 | 上海机电工程研究所 | Automatic testing method and system for ignition control system |
| CN114217599A (en) * | 2021-12-14 | 2022-03-22 | 北京机电工程研究所 | Aircraft ground energy control platform |
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| CN105137965B (en) | 2019-01-25 |
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