CN107632551A - A kind of digital quantity measuring method and system based on intelligent checking system - Google Patents
A kind of digital quantity measuring method and system based on intelligent checking system Download PDFInfo
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- CN107632551A CN107632551A CN201710935731.9A CN201710935731A CN107632551A CN 107632551 A CN107632551 A CN 107632551A CN 201710935731 A CN201710935731 A CN 201710935731A CN 107632551 A CN107632551 A CN 107632551A
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- digital quantity
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Abstract
The present invention relates to a kind of digital quantity measuring method and system based on intelligent checking system, it is to generally require substantial amounts of artificial participation to solve the quality testing of existing vehicle-mounted product, it is not intelligent enough, it is difficult to made according to different quality standards in Product checking it is correct in response to the shortcomings that and propose, digital quantity measuring method based on intelligent checking system, including：Receive the automatic detection instruction from host computer；Instructed according to automatic detection to vehicle-mounted product to be checked and perform operation corresponding with instruction；If automatic detection instruction is the instruction for detecting digital quantity function, converted according to the low and high level of the content-control I/O mouths of instruction, to carry out externally fed for the I/O mouths of vehicle-mounted product to be checked in specified interface output PWM square waves；The level feed-back signal from vehicle-mounted product to be checked is received, if predetermined number continuously occurs within the unit interval in feedback signal, then it is assumed that testing result is qualified, otherwise it is assumed that testing result is failure.The present invention is applied to vehicle-mounted product quality and detected.
Description
Technical field
The present invention relates to a kind of vehicle-mounted product quality detection field, and in particular to a kind of numeral based on intelligent checking system
Quantity measuring method and system.
Background technology
Send out and develop rapidly with industrial technology, industrial production automation is trend of the times.Industrial automation causes factory
Production efficiency is largely increased.And with the yield increase of product, the management and control of product quality also more turn into " high yield " after
A big problem.
Quality inspection standard comparison in difference is obvious between different industries, different product.At present in Automobile Electronic Industry, for
Automobile electronics do not require nothing more than the quality standard for meeting electronic product, while are also required to the quality standard for reaching automobile industry.
Existing vehicle-mounted product quality detection generally requires substantial amounts of artificial participation, not intelligent enough, it is difficult to according to different quality marks
Standard makes correct response in Product checking.
The content of the invention
The invention aims to solve the quality testing of existing vehicle-mounted product to generally require substantial amounts of artificial participation,
It is not intelligent enough, it is difficult to the shortcomings that correct response is made in Product checking according to different quality standards, and propose a kind of
Digital quantity measuring method and system based on intelligent checking system.
A kind of digital quantity measuring method based on intelligent checking system, including：The automatic detection from host computer is received to refer to
Order；Instructed according to automatic detection to vehicle-mounted product to be checked and perform operation corresponding with instruction；If automatic detection instruction is for examining
When surveying the instruction of digital quantity function, converted according to the low and high level of the content-control I/O mouths of instruction, PWM is exported in specified interface
Square wave to carry out externally fed for the I/O mouths of vehicle-mounted product to be checked；The level feed-back signal from vehicle-mounted product to be checked is received, if
Continuously there is predetermined number within the unit interval in feedback signal, then it is assumed that testing result is qualified, otherwise it is assumed that testing result
For failure.
A kind of digital amount detection systems based on intelligent checking system, including：Host computer；Serial communication is carried out with host computer
Intelligent Measurement black box；And the vehicle-mounted product to be checked of serial communication is carried out with Intelligent Measurement black box；Vehicle-mounted product wherein to be checked
Network service can be carried out with host computer；Intelligent Measurement black box includes：Instruction reception unit, for receive from host computer from
Dynamic detection instruction；Signal output unit, behaviour corresponding with instruction is performed for being instructed according to automatic detection to vehicle-mounted product to be checked
Make；If automatic detection instruction is the instruction for detecting digital quantity function, according to the height of the content-control I/O mouths of instruction electricity
Flat conversion, to carry out externally fed for the I/O mouths of vehicle-mounted product to be checked in specified interface output PWM square waves；Signal receiving unit,
For receiving the level feed-back signal from vehicle-mounted product to be checked；Judging unit, for judging feedback signal within the unit interval
Whether predetermined number is continuously occurred, if, then it is assumed that testing result is qualified, if not, then it is assumed that testing result is failure.
Beneficial effects of the present invention are：1st, the invention belongs to intellectualized detection, it is not necessary to and it is artificial to participate in, with artificial detection phase
Than having saved for 90% time, having improved at least 20% Detection accuracy；2nd, can be according to different quality standards in product
Correct response is made during detection.
Brief description of the drawings
Fig. 1 is the flow chart of the digital quantity measuring method based on intelligent checking system of the present invention；
Fig. 2 is the principle schematic of the digital amount detection systems based on intelligent checking system of the present invention.
Embodiment
The present invention provides a kind of digital quantity measuring method based on intelligent checking system, as shown in figure 1, including：Receive and
Instructed from the automatic detection of host computer；Instructed according to automatic detection to vehicle-mounted product to be checked and perform operation corresponding with instruction；If
When automatic detection instruction is the instruction for detecting digital quantity function, become according to the low and high level of the content-control I/O mouths of instruction
Change, to carry out externally fed for the I/O mouths of vehicle-mounted product to be checked in specified interface output PWM square waves；Receive to be checked vehicle-mounted
The level feed-back signal of product, if predetermined number continuously occurs within the unit interval in feedback signal, then it is assumed that testing result is
It is qualified, otherwise it is assumed that testing result is failure.
Wherein predetermined number is 4 times；Detection method can also include testing result feedback step, for by testing result
Send to host computer and show.
The present invention also provides a kind of digital amount detection systems based on intelligent checking system, as shown in Fig. 2 including：It is upper
Machine；The Intelligent Measurement black box of serial communication is carried out with host computer；And the car to be checked of serial communication is carried out with Intelligent Measurement black box
Carry product；Vehicle-mounted product wherein to be checked can carry out network service with host computer；Intelligent Measurement black box includes：Command reception list
Member, for receiving the automatic detection instruction from host computer；Signal output unit, for being instructed according to automatic detection to car to be checked
Carry product and perform operation corresponding with instruction；If automatic detection instruction is the instruction for detecting digital quantity function, according to finger
The low and high level conversion of the content-control I/O mouths of order, come in specified interface output PWM square waves for the I/O mouths of vehicle-mounted product to be checked
Carry out externally fed；Signal receiving unit, for receiving the level feed-back signal from vehicle-mounted product to be checked；Judging unit, use
Whether continuously there is predetermined number in judging feedback signal within the unit interval, if, then it is assumed that testing result is qualified, if
It is no, then it is assumed that testing result is failure.
Wherein, product to be checked can be the PCB in automobile instrument panel, and predetermined number is 4 times.
The present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, this area
Technical staff works as can make various corresponding changes and deformation according to the present invention, but these corresponding changes and deformation should all belong to
The protection domain of appended claims of the invention.
Claims (6)
- A kind of 1. digital quantity measuring method based on intelligent checking system, it is characterised in that including：Receive the automatic detection instruction from host computer；Instructed according to automatic detection to vehicle-mounted product to be checked and perform operation corresponding with instruction；If automatic detection instruction is for examining When surveying the instruction of digital quantity function, converted according to the low and high level of the content-control I/O mouths of instruction, PWM is exported in specified interface Square wave to carry out externally fed for the I/O mouths of vehicle-mounted product to be checked；The level feed-back signal from vehicle-mounted product to be checked is received, if predetermined time continuously occurs within the unit interval in feedback signal Number, then it is assumed that testing result is qualified, otherwise it is assumed that testing result is failure.
- 2. the digital quantity measuring method according to claim 1 based on intelligent checking system, it is characterised in that described predetermined Number be 4 times.
- 3. the digital quantity measuring method according to claim 1 based on intelligent checking system, it is characterised in that also include inspection Result feedback step is surveyed, for sending to host computer and showing testing result.
- A kind of 4. digital amount detection systems based on intelligent checking system, it is characterised in that including：Host computer；The Intelligent Measurement black box of serial communication is carried out with host computer；And carry out serial communication with Intelligent Measurement black box Vehicle-mounted product to be checked；Vehicle-mounted product wherein to be checked can carry out network service with host computer；Intelligent Measurement black box includes：Instruction reception unit, for receiving the automatic detection instruction from host computer；Signal output unit, operation corresponding with instruction is performed for being instructed according to automatic detection to vehicle-mounted product to be checked；If from When dynamic detection instruction is the instruction for detecting digital quantity function, converted according to the low and high level of the content-control I/O mouths of instruction, To carry out externally fed for the I/O mouths of vehicle-mounted product to be checked in specified interface output PWM square waves；Signal receiving unit, for receiving the level feed-back signal from vehicle-mounted product to be checked；Judging unit, whether continuously there is predetermined number within the unit interval for judging feedback signal, if, then it is assumed that inspection Result is surveyed to be qualified, if not, then it is assumed that testing result is failure.
- 5. the digital amount detection systems according to claim 4 based on intelligent checking system, it is characterised in that product to be checked For the PCB in automobile instrument panel.
- 6. the digital amount detection systems according to claim 4 based on intelligent checking system, it is characterised in that described predetermined Number be 4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935731.9A CN107632551A (en) | 2017-10-10 | 2017-10-10 | A kind of digital quantity measuring method and system based on intelligent checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935731.9A CN107632551A (en) | 2017-10-10 | 2017-10-10 | A kind of digital quantity measuring method and system based on intelligent checking system |
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| CN107632551A true CN107632551A (en) | 2018-01-26 |
Family
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| CN201710935731.9A Pending CN107632551A (en) | 2017-10-10 | 2017-10-10 | A kind of digital quantity measuring method and system based on intelligent checking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186666A (en) * | 2018-08-27 | 2019-01-11 | 日立楼宇技术（广州）有限公司 | Detection method, device, computer equipment and the storage medium of equipment |
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| EP2194457A2 (en) * | 2008-12-08 | 2010-06-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for creating a marked reference data stream |
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