CN105467972B - A kind of construction machinery controller product automatic detection device - Google Patents
A kind of construction machinery controller product automatic detection device Download PDFInfo
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- CN105467972B CN105467972B CN201510817082.3A CN201510817082A CN105467972B CN 105467972 B CN105467972 B CN 105467972B CN 201510817082 A CN201510817082 A CN 201510817082A CN 105467972 B CN105467972 B CN 105467972B
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- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 6
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
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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
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power Sources (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention provides a kind of construction machinery controller product automatic detection devices, including host computer and signal device;Host computer connects tested controller by harness by CAN bus connection signal device and tested controller, signal device;Detection monitoring software is installed, when detection is started by host computer to be detected in the host computer;The signal device realizes the signal detection to tested controller in terms of high level, low level, hanging signal, resistance signal, voltage signal, current signal, frequency signal and power termination.The present invention is supplied to the various signals of tested controller by signal device, by host computer or USB flash disk starting detection, and automatically records testing result, detection is quick, will not missing inspection.
Description
Technical field
The present invention relates to a kind of construction machinery controller product automatic detection devices, belong to controller detection technique.
Background technique
Construction machinery controller hardware detection is extremely important, and can be related to controller operate normally, must after the completion of production
It must thoroughly be detected.There are two types of current main detection modes.First is manually to detect, various by accessing
Signal source, observation output is as a result, the detection for judging whether qualification, and exporting is then to measure output result with multimeter etc. to sentence
It is disconnected whether to meet the requirements.It the disadvantages of the method are as follows detection cycle is long, cannot automatically record, be easy missing inspection.Second method is to make
With special inspecting equipment, i.e., flying needle detects, and this method can automatically record testing result, but the disadvantage is that each controller all
Special pinboard is done, and wants pre-designed corresponding test point on tested controller PCB, which adds PCB
The area of plate, and EMC problem can be brought.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of construction machinery controller product automatic detection device, it should
Construction machinery controller product automatic detection device is supplied to the various signals of tested controller by signal device, by host computer or
USB flash disk starting detection, and testing result is automatically recorded, detection is quick, will not missing inspection.
The present invention is achieved by the following technical programs.
A kind of construction machinery controller product automatic detection device provided by the invention, including host computer and signal device;
Host computer connects tested controller by harness by CAN bus connection signal device and tested controller, signal device;It is described
Detection monitoring software is installed, when detection is started by host computer to be detected in host computer;The signal device is realized to tested control
Device is in terms of high level, low level, hanging signal, resistance signal, voltage signal, current signal, frequency signal and power termination
Signal detection.
The signal device is to high level, low level, hanging signal, resistance signal, voltage signal, voltage signal, electric current
Signal, frequency signal signal detection be accomplished in that
1. host computer issues high level switching value, signal device is switched by relay JD1 by switching value K1 high electricity
Ordinary mail number accesses tested controller, and on-off model is acquired by tested controller;Then signal device passes through relay JD1
The hanging signal of switching value K1 is accessed tested controller by switching, and on-off model is acquired by tested controller, then will knot
Fruit issues host computer by CAN bus, and result is shown and automatically recorded by host computer, and associated with tested controller.
Successively detect remaining high level switching value;
2. host computer issues low level switching value, signal device is switched by relay JD1 by the low electricity of switching value K1
Ordinary mail number accesses tested controller, and on-off model is acquired by tested controller;Then signal device passes through relay JD1
The hanging signal of switching value K1 is accessed tested controller by switching, and on-off model is acquired by tested controller, then will knot
Fruit issues host computer by CAN bus, and result is shown and automatically recorded by host computer, and associated with tested controller.
Successively detect remaining low level switching value;
3. host computer issues the detection of resistance signal analog quantity, signal device is accessed R1 resistance signal by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by tested controller, and host computer carries out result comparison;
4. host computer issues the detection of voltage signal analog quantity, signal device is accessed V1 voltage signal by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by tested controller, and host computer carries out result comparison;
5. host computer issues current signal analog detection, signal device is accessed I1 current signal by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by tested controller, and host computer carries out result comparison;
6. host computer issues frequency signal detection, signal device is accessed frequency F1 signal by observing and controlling by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by device processed, and host computer carries out result comparison.
The signal device is accomplished in that the signal detection of power termination
1. host computer issues output voltage detection instruction, signal device passes through relay JD1 for the output of tested controller
Voltage accesses the analog acquisition passage of signal device, and the voltage signal that signal device will test is sent to by CAN bus
Host computer, host computer carry out result comparison;
2. it is also in this way, signal device passes through relay JD1 for tested control that host computer, which issues output current signal detection,
The analog acquisition passage of the output current signal access signal device of device, the current signal that signal device will test pass through
CAN bus is sent to host computer, and host computer carries out result comparison;
3. host computer issues the output detection of PWM electric current, signal device passes through relay JD1 for the output of tested controller
PWM current signal accesses the analog acquisition passage of signal device, while accessing electromagnetic proportional valve, what signal device will test
Current signal is sent to host computer by CAN bus, and host computer carries out result comparison;
4. host computer issues the detection of switch power driving, signal device passes through relay JD1 opening tested controller
The fictitious load of power output signal access signal device is closed, signal device detects output voltage signal simultaneously, will test
Voltage signal is sent to host computer by CAN bus, and host computer carries out result comparison.
It is additionally provided with USB flash disk, USB flash disk connection signal device.
Signal device also realizes following detection:
1. the detection of switch power driving: signal device is exported the switch power of tested controller by relay JD1
Signal accesses the fictitious load of signal device, and signal device detects output voltage signal simultaneously, and the voltage signal that will test is logical
It crosses CAN bus and is sent to host computer, host computer carries out result comparison;
2. the detection of tested control unit interface: directly transmitting corresponding data with signal device by tested controller, connect
Judged after receipts, if it is identical as the data of transmission, result is issued into host computer by CAN bus, host computer by result into
Row display simultaneously automatically records, and associated with tested controller;
3. the detection of storage unit: the data in specified region are read and are saved by tested controller, then by specified number
According to the specified region of write-in memory, and read comparison, result issued into host computer by CAN bus, host computer by result into
Row display simultaneously automatically records, and associated with tested controller.Then specified region is written in the data that inspection is stored in memory.
The beneficial effects of the present invention are: the various signals of tested controller are supplied to by signal device, by host computer or U
Disk startup detection, and testing result is automatically recorded, detection is quick, will not missing inspection.
Detailed description of the invention
Fig. 1 is connection schematic diagram of the invention.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
A kind of construction machinery controller product automatic detection device as shown in Figure 1, including host computer and signal device;On
Position machine connects tested controller by harness by CAN bus connection signal device and tested controller, signal device;On described
Detection monitoring software is installed in the machine of position, when detection is started by host computer to be detected;The signal device is realized to tested controller
In terms of high level, low level, hanging signal, resistance signal, voltage signal, current signal, frequency signal and power termination
Signal detection.
The signal device is to high level, low level, hanging signal, resistance signal, voltage signal, voltage signal, electric current
Signal, frequency signal signal detection be accomplished in that
1. host computer issues high level switching value, signal device is switched by relay JD1 by switching value K1 high electricity
Ordinary mail number accesses tested controller, and on-off model is acquired by tested controller;Then signal device passes through relay JD1
The hanging signal of switching value K1 is accessed tested controller by switching, and on-off model is acquired by tested controller, then will knot
Fruit issues host computer by CAN bus, and result is shown and automatically recorded by host computer, and associated with tested controller.
Successively detect remaining high level switching value;
2. host computer issues low level switching value, signal device is switched by relay JD1 by the low electricity of switching value K1
Ordinary mail number accesses tested controller, and on-off model is acquired by tested controller;Then signal device passes through relay JD1
The hanging signal of switching value K1 is accessed tested controller by switching, and on-off model is acquired by tested controller, then will knot
Fruit issues host computer by CAN bus, and result is shown and automatically recorded by host computer, and associated with tested controller.
Successively detect remaining low level switching value;
3. host computer issues the detection of resistance signal analog quantity, signal device is accessed R1 resistance signal by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by tested controller, and host computer carries out result comparison;
4. host computer issues the detection of voltage signal analog quantity, signal device is accessed V1 voltage signal by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by tested controller, and host computer carries out result comparison;
5. host computer issues current signal analog detection, signal device is accessed I1 current signal by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by tested controller, and host computer carries out result comparison;
6. host computer issues frequency signal detection, signal device is accessed frequency F1 signal by observing and controlling by relay JD1
Result is issued host computer by CAN bus after tested controller sampling by device processed, and host computer carries out result comparison.
The signal device is accomplished in that the signal detection of power termination
1. host computer issues output voltage detection instruction, signal device passes through relay JD1 for the output of tested controller
Voltage accesses the analog acquisition passage of signal device, and the voltage signal that signal device will test is sent to by CAN bus
Host computer, host computer carry out result comparison;
2. it is also in this way, signal device passes through relay JD1 for tested control that host computer, which issues output current signal detection,
The analog acquisition passage of the output current signal access signal device of device, the current signal that signal device will test pass through
CAN bus is sent to host computer, and host computer carries out result comparison;
3. host computer issues the output detection of PWM electric current, signal device passes through relay JD1 for the output of tested controller
PWM current signal accesses the analog acquisition passage of signal device, while accessing electromagnetic proportional valve, what signal device will test
Current signal is sent to host computer by CAN bus, and host computer carries out result comparison;
4. host computer issues the detection of switch power driving, signal device passes through relay JD1 opening tested controller
The fictitious load of power output signal access signal device is closed, signal device detects output voltage signal simultaneously, will test
Voltage signal is sent to host computer by CAN bus, and host computer carries out result comparison.
When above-mentioned function is realized, host computer allows scheduled error range, in error during carrying out result comparison
It is then qualified in range, it is otherwise unqualified, and unqualified result is shown and automatically recorded.
It is additionally provided with USB flash disk, USB flash disk connection signal device.Actually detecting as a result, can also be started by USB flash disk, and test result passes through
LED on signal device is indicated that test result is automatically recorded in USB flash disk.
Signal device also realizes following detection:
1. the detection of switch power driving: signal device is exported the switch power of tested controller by relay JD1
Signal accesses the fictitious load of signal device, and signal device detects output voltage signal simultaneously, and the voltage signal that will test is logical
It crosses CAN bus and is sent to host computer, host computer carries out result comparison;
2. the detection of tested control unit interface: directly transmitting corresponding data with signal device by tested controller, connect
Judged after receipts, if it is identical as the data of transmission, result is issued into host computer by CAN bus, host computer by result into
Row display simultaneously automatically records, and associated with tested controller;
3. the detection of storage unit: the data in specified region are read and are saved by tested controller, then by specified number
According to the specified region of write-in memory, and read comparison, result issued into host computer by CAN bus, host computer by result into
Row display simultaneously automatically records, and associated with tested controller.Then specified region is written in the data that inspection is stored in memory.
The present invention is applied to controller or acquisition unit of the detection with CAN bus.
Claims (3)
1. a kind of construction machinery controller product automatic detection device, including host computer and signal device, it is characterised in that: upper
Machine connects tested controller by harness by CAN bus connection signal device and tested controller, signal device;It is described upper
Detection monitoring software is installed, when detection is started by host computer to be detected in machine;The signal device realization exists to tested controller
Letter in terms of high level, low level, hanging signal, resistance signal, voltage signal, current signal, frequency signal and power termination
Number detection;
The signal device is to high level, low level, hanging signal, resistance signal, voltage signal, current signal, frequency signal
Signal detection be accomplished in that
1. host computer issues high level switching value, signal device is switched by JD1 relay believes K1 switching value high level
Number tested controller is accessed, on-off model is acquired by tested controller;Then signal device is switched by JD1 relay
The hanging signal of K1 switching value is accessed into tested controller, on-off model is acquired, then leads to result by tested controller
It crosses CAN bus and issues host computer, result is shown and automatically recorded by host computer, and associated with tested controller, successively
Detect remaining high level switching value;
2. host computer issues low level switching value, signal device is switched by JD1 relay believes K1 switching value low level
Number tested controller is accessed, on-off model is acquired by tested controller;Then signal device is switched by JD1 relay
The hanging signal of K1 switching value is accessed into tested controller, on-off model is acquired, then leads to result by tested controller
It crosses CAN bus and issues host computer, result is shown and automatically recorded by host computer, and associated with tested controller, successively
Detect remaining low level switching value;
3. host computer issues the detection of resistance signal analog quantity, signal device is accessed R1 resistance signal by JD1 relay tested
Result is issued host computer by CAN bus after tested controller sampling by controller, and host computer carries out result comparison;
4. host computer issues the detection of voltage signal analog quantity, signal device is accessed V1 voltage signal by JD1 relay tested
Result is issued host computer by CAN bus after tested controller sampling by controller, and host computer carries out result comparison;
5. host computer issues current signal analog detection, signal device is accessed I1 current signal by JD1 relay tested
Result is issued host computer by CAN bus after tested controller sampling by controller, and host computer carries out result comparison;
6. host computer issues frequency signal detection, F1 frequency signal is accessed tested controller by JD1 relay by signal device,
Result is issued into host computer by CAN bus after tested controller sampling, host computer carries out result comparison;
The signal device is accomplished in that the signal detection of power termination
1. host computer issues output voltage detection instruction, signal device passes through JD1 relay for the output voltage of tested controller
The analog acquisition passage of signal device is accessed, the voltage signal that signal device will test is sent to upper by CAN bus
Machine, host computer carry out result comparison;
2. it is also in this way, signal device passes through JD1 relay for tested controller that host computer, which issues output current signal detection,
Output current signal accesses the analog acquisition passage of signal device, and the current signal that signal device will test is total by CAN
Line is sent to host computer, and host computer carries out result comparison;
3. host computer issues the output detection of PWM electric current, signal device passes through JD1 relay for the PWM of the output of tested controller
Current signal accesses the analog acquisition passage of signal device, while accessing electromagnetic proportional valve, the electricity that signal device will test
Stream signal is sent to host computer by CAN bus, and host computer carries out result comparison;
4. host computer issues the detection of switch power driving, signal device passes through JD1 relay for the switch function of tested controller
Rate output signal accesses the fictitious load of signal device, and signal device detects output voltage signal simultaneously, the voltage that will test
Signal is sent to host computer by CAN bus, and host computer carries out result comparison.
2. construction machinery controller product automatic detection device as described in claim 1, it is characterised in that: it is additionally provided with USB flash disk,
USB flash disk connection signal device.
3. construction machinery controller product automatic detection device as described in claim 1, it is characterised in that: signal device is also real
Now following detection:
1. the detection of switch power driving: signal device passes through JD1 relay for the switch power output signal of tested controller
The fictitious load of signal device is accessed, signal device detects output voltage signal simultaneously, and the voltage signal that will test passes through CAN
Bus is sent to host computer, and host computer carries out result comparison;
2. the detection of tested control unit interface: corresponding data are directly transmitted with signal device by tested controller, after reception
Judged, if it is identical as the data of transmission, result is issued into host computer by CAN bus, host computer shows result
Show and automatically record, and is associated with tested controller;
3. the detection of storage unit: the data in specified region are read and are saved by tested controller, then write specified data
Enter the specified region of memory, and read comparison, result is issued into host computer by CAN bus, host computer shows result
Show and automatically record, and is associated with tested controller, specified region then is written into the data for being stored in memory.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200982920Y (en) * | 2006-12-13 | 2007-11-28 | 比亚迪股份有限公司 | A motorcar central control and automatic testing system |
CN202975802U (en) * | 2012-12-19 | 2013-06-05 | 中国船舶重工集团公司第七一六研究所 | Engineering vehicle-mounted controller smart test system based on STM32 processor |
CN203276021U (en) * | 2013-05-02 | 2013-11-06 | 联合汽车电子有限公司 | General testing device for vehicle body controller |
CN204065827U (en) * | 2014-07-31 | 2014-12-31 | 北京汽车股份有限公司 | A kind of car body controller test load case |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2919223Y (en) * | 2006-03-24 | 2007-07-04 | 长安大学 | Detecting and debugging device of engineering machine controller |
CN101515176B (en) * | 2008-08-29 | 2012-02-08 | 郭春勇 | Detection device and detection method for electric control system |
CN102929270A (en) * | 2012-10-31 | 2013-02-13 | 三一重机有限公司 | System and method for testing excavator control software |
-
2015
- 2015-11-23 CN CN201510817082.3A patent/CN105467972B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200982920Y (en) * | 2006-12-13 | 2007-11-28 | 比亚迪股份有限公司 | A motorcar central control and automatic testing system |
CN202975802U (en) * | 2012-12-19 | 2013-06-05 | 中国船舶重工集团公司第七一六研究所 | Engineering vehicle-mounted controller smart test system based on STM32 processor |
CN203276021U (en) * | 2013-05-02 | 2013-11-06 | 联合汽车电子有限公司 | General testing device for vehicle body controller |
CN204065827U (en) * | 2014-07-31 | 2014-12-31 | 北京汽车股份有限公司 | A kind of car body controller test load case |
Non-Patent Citations (3)
Title |
---|
一种工程机械控制器的开发;吴卫国 等;《控制技术》;20140430;第98-101页 |
基于PXI的工程机械电子综合测试系统研究;黎映相 等;《电子测量技术》;20120731;第70-72页 |
工程机械通用控制系统的研究与设计;池炜宾 等;《微型机与应用》;20150831;第93-96页 |
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Address after: No. 249, Baiyun North Road, Baiyun District, Guiyang City, Guizhou Province Patentee after: Guiyang Yongqing Intelligent Control Technology Co.,Ltd. Address before: No. 249, Baiyun North Road, Baiyun District, Guiyang City, Guizhou Province Patentee before: GUIYANG YONGQING INSTRUMENTS & ELECTRONIC SCIENCEAND TECHNOLOGY Co.,Ltd. |