CN105093041A - Integrated detector and detection method for computer boards - Google Patents
Integrated detector and detection method for computer boards Download PDFInfo
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- CN105093041A CN105093041A CN201510573590.1A CN201510573590A CN105093041A CN 105093041 A CN105093041 A CN 105093041A CN 201510573590 A CN201510573590 A CN 201510573590A CN 105093041 A CN105093041 A CN 105093041A
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Abstract
The invention relates to the electronic circuit field and discloses an integrated computer board detector. The detector communicates with host computer software, the host computer software stores signal coding data and plug coding data, the detector comprises a signal simulation system, a load simulation system and a plug simulation system, wherein the signal simulation system comprises a signal acquiring module, a signal processing module and a signal output module, the load simulation system comprises a load simulation module, a calculation module and a fault determining module, the plug simulation system comprises a data acquiring module, a matching module and a prompting module, moreover, an integrated computer board detection method is further disclosed. The integrated computer board detector integrates functions of signal simulation of various sensors, load selection simulation and power source integration, improves maintenance feasibility of the computer board to a maximum degree, further improves maintenance efficiency and versatility of the computer board and reduces maintenance cost for maintainers.
Description
Technical field
The present invention relates to electronic circuit field, particularly relate to a kind of computer board comprehensive detector and detection method.
Background technology
In gasoline and diesel engine computer board or excavator computer board field, vehicle is of a great variety, therefore the combination variety of crankshaft signal and camshaft signal is also varied, only have the crankshaft signal when computer board exports and camshaft signal correct and synchronous time, engine could normally work, therefore, necessary synchronous crankshaft signal and camshaft signal to be simulated, be difficult in prior art obtain the correct and synchronous bent axle of waveform, camshaft timing signal, incorrect or the low precision of the signal that engine ECU is obtained, cause engine ECU can not oil spout work thus cannot dynamic queries fault.
Simultaneously, be difficult to find the suitable load can simulating various electric elements in computer board testing process, such as fuel injector, proportion magnetic valve, stepper motor etc., and multiple load simulation is all combined extremely difficult especially, and then causing trouble diagnosis diagnostic position and diagnostic-type not easily determine therefore, how to carry out load simulation true to nature and combined become be badly in need of solve a problem.
In addition, because computer board plug shape is hundreds and thousands of, cause the maintenance versatility of existing computer board detector poor, often need the detector that band respective socket is provided according to computer board plug style in use, thus a computer board detector can only be applicable to a computer board, utilization rate is lower and use loaded down with trivial details, and cost is higher, and testing process causes the unnecessary wasting of resources.
For solving the problems of the technologies described above, be necessary to develop a kind of computer board comprehensive detector, described comprehensive detector can promote sensor signal simulation authenticity and degree of accuracy, carry out load simulation true to nature and combined, the technical matters that the maintenance versatility of traditional detection instrument is poor can be solved, thus the feasibility of raising computer board maintenance, maintenance efficiency and versatility, for Maintenance Engineer reduces maintenance cost.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of computer board comprehensive detector, described detector communicates with upper computer software, described upper computer software stores Signal coding data and plug stitch location coded data, described detector comprises signal imitation system, load simulation system and plug simulation system
Described signal imitation system comprises:
Signal acquisition module, for calling the Signal coding data in upper computer software;
Signal processing module, for the treatment of described Signal coding data, obtains the signal corresponding with described Signal coding data;
Signal output module, for exporting the signal that described signal processing module process obtains;
Described load simulation system comprises:
Load simulation module, for being simulated by coil load and being coupled, obtains simulating signal;
Computing module, for calculating designation data according to described simulating signal;
Breakdown judge module, for according to described simulating signal and described designation data fault analysis and judgement type and abort situation;
Described plug simulation system comprises:
Data acquisition module, for calling the plug stitch location coded data in upper computer software;
Matching module, for mating described plug stitch location coded data with the jack coded data in detector;
Reminding module, when matching for the jack coded data in described plug stitch location coded data and detector, the corresponding relation that prompting plug coding is encoded with jack.
Preferably, the signal edit collected is signal data by described upper computer software, then signal data is converted into described Signal coding data.
Preferably, described signal data comprises phase place, undulating path, the isoparametric Wave data of rotating speed size, and described Wave data kind comprises hall signal data and magnetoelectricity signal data.
Preferably, described plug stitch location coded data comprises plug figure stitch location and the definition of plug stitch.
Preferably, described load simulation system comprises fuel injector load simulation system, stepper motor load simulation system and proportion magnetic valve load simulation system.
Simultaneously, present invention also offers a kind of computer board method for comprehensive detection, described method is realized by detector and upper computer software, described upper computer software stores Signal coding data and plug stitch location coded data, described detection method comprises signal imitation method, load simulation method and plug analogy method
Described signal imitation method comprises:
S11, the Signal coding data called in upper computer software;
S12, process described Signal coding data, obtain the signal corresponding with described Signal coding data;
The signal corresponding with described Signal coding data obtained after S13, output processing;
Described load simulation method comprises:
S21, to be simulated by coil load and to be coupled, obtaining simulating signal;
S22, calculate designation data according to described simulating signal;
S23, according to described simulating signal and described designation data fault analysis and judgement type and abort situation;
Described plug analogy method comprises:
S31, the plug stitch location coded data called in upper computer software;
S32, described plug stitch location coded data to be mated with the jack coded data in detector;
When S33, jack coded data in described plug stitch location coded data and detector match, the corresponding relation that prompting plug coding is encoded with jack.
Preferably, the signal edit collected is signal data by described upper computer software, then signal data is converted into described Signal coding data.
Preferably, described signal data comprises phase place, undulating path, the isoparametric Wave data of rotating speed size, and described Wave data kind comprises hall signal data and magnetoelectricity signal data.
Preferably, described plug stitch location coded data comprises plug figure stitch location and the definition of plug stitch.
A kind of computer board comprehensive detector of the present invention and detection method, have following beneficial effect:
1. a kind of computer board comprehensive detector of the present invention can simulate various sensor signal, and by the supporting various signal data of upper computer software editor, not only increases the usable range of detector, and can realize high-precision signal simulation.
2. a kind of computer board comprehensive detector of the present invention can simulate crankshaft cam axis signal, because the different crankshaft cam axis signals of vehicle are also different, combination variety is varied especially, this detector is by bent axle, the camshaft Wave data of the supporting various vehicle of upper computer software editor, the crankshaft signal that detector collection is synchronous and camshaft signal, thus realize the simulation of high-precision crank shaft camshaft signal.
3. a kind of computer board comprehensive detector of the present invention adopts load simulation system to carry out various electric elements load simulation, such as fuel injector, proportion magnetic valve, stepper motor, can not only load simulation true to nature be carried out and multiple load simulation is all combined, and can breakdown judge be carried out and be convenient to looking up the fault point, substantially increase maintenance efficiency, reduce maintenance cost.
4. a kind of computer board comprehensive detector of the present invention adopts and carries out to the jack of detector the mode defined of encoding, mate by defining with the plug figure stitch location stored in upper computer software and plug stitch, the corresponding relation of prompting plug and jack, solves a difficult problem for plug shape many detectors poor universality.
5. a kind of computer board comprehensive detector of the present invention and detection method integrate the simulation of various sensor signal, simulation is selected in load, power supply is integrated, high degree improves the feasibility of computer board maintenance, and improve computer board maintenance efficiency and versatility, for Maintenance Engineer reduces maintenance cost.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
First embodiment of the invention, this embodiment carries out analog detection to crankshaft cam axis signal, the signal imitation system in a kind of computer board comprehensive detector of the present invention is adopted to realize, this detector communicates with upper computer software " crankshaft cam axis signal timing assistant ", described upper computer software " crankshaft cam axis signal timing assistant " stores Signal coding data
Undulating path number is set by upper computer software " crankshaft cam axis signal timing assistant ", number of phases, the parameters such as rotating speed, measured waveform according to different brands edits after corresponding waveform through upper computer software, data can be preserved and call at any time, waveform catalog has hall signal and magnetoelectricity signal data, computer board comprehensive detector is transferred to by serial port communication by after corresponding vehicle Wave data coding, and standby wait firing order, namely by the CPU calling data also corresponding waveform of process output after transmitting, wherein magnetoelectricity signal also needs peripheral coupled circuit process and exports.
Second embodiment of the invention, this embodiment drives function to detect to fuel injector, the load simulation system in a kind of computer board comprehensive detector of the present invention is adopted to realize, be specially, select suitable coil load simulation and through coil coupling, design the fuel injector high-frequency horn sound, and oil spout indicating circuit, engine sound and cylinder number instruction can be simulated, can accelerate so that detect or whether there is all kinds of faults such as scarce cylinder.
Third embodiment of the invention, this embodiment is that driving stepper motor function detects, the load simulation system in a kind of computer board comprehensive detector of the present invention is adopted to realize, be specially, select suitable coil load simulation, to two-phase stepping motor by coupling indicating circuit, A, B phase four step duty is indicated with four relay indicating lights, and detect A, B phase working current by sample circuit, and coupled circuit obtains the high-frequency horn sound of A, B phase drive waveforms, comprehensive various information is to judge concrete fault type and trouble spot.
Four embodiment of the invention, this embodiment is that hydraulic pump proportion magnetic valve drives function to detect, the load simulation system in a kind of computer board comprehensive detector of the present invention is adopted to realize, select suitable coil fictitious load and through relay indicating light coupled circuit indicating operating status, and obtain the drive waveforms high-frequency impulse loudspeaker sound by coupled circuit, and calculate drive waveforms dutycycle by CPU check processing and by numeral method.
Fifth embodiment of the invention, this embodiment adopts the plug simulation system in a kind of computer board comprehensive detector of the present invention to realize, this detector communicates with upper computer software " No. 1, Venus ", and described upper computer software " No. 1, Venus " stores plug stitch location coded data
The plug stitch location coded data in upper computer software " No. 1, Venus " is called by serial port communication, described plug stitch location coded data comprises plug figure stitch location and the definition of plug stitch, described upper computer software " No. 1, Venus " preserves plug figure stitch location, described upper computer software EXCEL preserves the definition of plug stitch, and described plug figure stitch location defines corresponding with described plug stitch.Corresponding plug all stitch definition data are editted by EXCEL tables of data, and coordinate position coding is carried out to each stitch, the corresponding connecting hole coding of slave computer can being carried out by the association pin position of actual demand to required measuring ability simultaneously, preserving data in order to calling.Draw corresponding vehicle plug stitch figure by graphics softwares such as CAD, and sectional drawing saves as JPG form in order to calling.No. 1, described upper computer software Venus calls excel stitch definition tables of data and corresponding vehicle plug picture, select according to any plug stitch definition line, identify plug stitch codes co-ordinates on the one hand, in corresponding picture, the red cursor in corresponding pin position covers, and identifying on the one hand encodes with the corresponding jack of slave computer and light to indicate connects.Double-click the stitch data row in computer board comprehensive detector, the encoded definition of jack of computer board comprehensive detector, then namely jack interior light emitting diodes can be lighted.
Sixth embodiment of the invention, present invention also offers a kind of computer board method for comprehensive detection, described method is realized by detector and upper computer software, described upper computer software stores Signal coding data and plug stitch location coded data, described detection method comprises signal imitation method, load simulation method and plug analogy method
Described signal imitation method comprises:
S11, the Signal coding data called in upper computer software;
S12, process described Signal coding data, obtain the signal corresponding with described Signal coding data;
The signal corresponding with described Signal coding data obtained after S13, output processing;
Described load simulation method comprises:
S21, to be simulated by coil load and to be coupled, obtaining simulating signal;
S22, calculate designation data according to described simulating signal;
S23, according to described simulating signal and described designation data fault analysis and judgement type and abort situation;
Described plug analogy method comprises:
S31, the plug stitch location coded data called in upper computer software;
S32, described plug stitch location coded data to be mated with the jack coded data in detector;
When S33, jack coded data in described plug stitch location coded data and detector match, the corresponding relation that prompting plug coding is encoded with jack.
Wherein, the signal edit collected is signal data by described upper computer software, then signal data is converted into described Signal coding data; Described signal data comprises phase place, undulating path, the isoparametric Wave data of rotating speed size, and described Wave data kind comprises hall signal data and magnetoelectricity signal data; Described plug stitch location coded data comprises plug figure stitch location and the definition of plug stitch.
A kind of computer board comprehensive detector of the present invention and detection method, have following beneficial effect:
1. a kind of computer board comprehensive detector of the present invention can simulate various sensor signal, and by the supporting various signal data of upper computer software editor, not only increases the usable range of detector, and can realize high-precision signal simulation.
2. a kind of computer board comprehensive detector of the present invention can simulate crankshaft cam axis signal, because the different crankshaft cam axis signals of vehicle are also different, combination variety is varied especially, this detector is by bent axle, the camshaft Wave data of the supporting various vehicle of upper computer software editor, the crankshaft signal that detector collection is synchronous and camshaft signal, thus realize the simulation of high-precision crank shaft camshaft signal.
3. a kind of computer board comprehensive detector of the present invention adopts load simulation system to carry out various electric elements load simulation, such as fuel injector, proportion magnetic valve, stepper motor, can not only load simulation true to nature be carried out and multiple load simulation is all combined, and can breakdown judge be carried out and be convenient to looking up the fault point, substantially increase maintenance efficiency, reduce maintenance cost.
4. a kind of computer board comprehensive detector of the present invention adopts and carries out to the jack of detector the mode defined of encoding, mate by defining with the plug figure stitch location stored in upper computer software and plug stitch, the corresponding relation of prompting plug and jack, solves a difficult problem for plug shape many detectors poor universality.
5. a kind of computer board comprehensive detector of the present invention and detection method integrate the simulation of various sensor signal, simulation is selected in load, power supply is integrated, high degree improves the feasibility of computer board maintenance, and improve computer board maintenance efficiency and versatility, for Maintenance Engineer reduces maintenance cost.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a computer board comprehensive detector, it is characterized in that, described detector communicates with upper computer software, and described upper computer software stores Signal coding data and plug stitch location coded data, described detector comprises signal imitation system, load simulation system and plug simulation system
Described signal imitation system comprises:
Signal acquisition module, for calling the Signal coding data in upper computer software;
Signal processing module, for the treatment of described Signal coding data, obtains the signal corresponding with described Signal coding data;
Signal output module, for exporting the signal that described signal processing module process obtains;
Described load simulation system comprises:
Load simulation module, for being simulated by coil load and being coupled, obtains simulating signal;
Computing module, for calculating designation data according to described simulating signal;
Breakdown judge module, for according to described simulating signal and described designation data fault analysis and judgement type and abort situation;
Described plug simulation system comprises:
Data acquisition module, for calling the plug stitch location coded data in upper computer software;
Matching module, for mating described plug stitch location coded data with the jack coded data in detector;
Reminding module, when matching for the jack coded data in described plug stitch location coded data and detector, the corresponding relation that prompting plug coding is encoded with jack.
2. computer board comprehensive detector according to claim 1, is characterized in that, the signal edit collected is signal data by described upper computer software, then signal data is converted into described Signal coding data.
3. computer board comprehensive detector according to claim 2, is characterized in that, described signal data comprises phase place, undulating path, the isoparametric Wave data of rotating speed size, and described Wave data kind comprises hall signal data and magnetoelectricity signal data.
4. according to the computer board comprehensive detector in claim 1-3 described in any one, it is characterized in that, described plug stitch location coded data comprises plug figure stitch location and the definition of plug stitch.
5. computer board comprehensive detector according to claim 4, is characterized in that, described load simulation system comprises fuel injector load simulation system, stepper motor load simulation system and proportion magnetic valve load simulation system.
6. a computer board method for comprehensive detection, it is characterized in that, described method is realized by detector and upper computer software, described upper computer software stores Signal coding data and plug stitch location coded data, described detection method comprises signal imitation method, load simulation method and plug analogy method
Described signal imitation method comprises:
S11, the Signal coding data called in upper computer software;
S12, process described Signal coding data, obtain the signal corresponding with described Signal coding data;
The signal corresponding with described Signal coding data obtained after S13, output processing;
Described load simulation method comprises:
S21, to be simulated by coil load and to be coupled, obtaining simulating signal;
S22, calculate designation data according to described simulating signal;
S23, according to described simulating signal and described designation data fault analysis and judgement type and abort situation;
Described plug analogy method comprises:
S31, the plug stitch location coded data called in upper computer software;
S32, described plug stitch location coded data to be mated with the jack coded data in detector;
When S33, jack coded data in described plug stitch location coded data and detector match, the corresponding relation that prompting plug coding is encoded with jack.
7. computer board method for comprehensive detection according to claim 6, is characterized in that, the signal edit collected is signal data by described upper computer software, then signal data is converted into described Signal coding data.
8. computer board method for comprehensive detection according to claim 7, is characterized in that, described signal data comprises phase place, undulating path, the isoparametric Wave data of rotating speed size, and described Wave data kind comprises hall signal data and magnetoelectricity signal data.
9. according to the computer board method for comprehensive detection in claim 6-8 described in any one, it is characterized in that, described plug stitch location coded data comprises plug figure stitch location and the definition of plug stitch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510573590.1A CN105093041B (en) | 2015-09-10 | 2015-09-10 | A kind of computer board comprehensive detector |
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| CN201510573590.1A CN105093041B (en) | 2015-09-10 | 2015-09-10 | A kind of computer board comprehensive detector |
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Cited By (1)
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