CN202795047U - Anti-lock brake system controller off-line detection device - Google Patents
Anti-lock brake system controller off-line detection device Download PDFInfo
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- CN202795047U CN202795047U CN 201220500682 CN201220500682U CN202795047U CN 202795047 U CN202795047 U CN 202795047U CN 201220500682 CN201220500682 CN 201220500682 CN 201220500682 U CN201220500682 U CN 201220500682U CN 202795047 U CN202795047 U CN 202795047U
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Abstract
The utility model discloses an anti-lock brake system controller off-line detection device. The off-line detection device comprises a computer, an off-line detecting software module disposed in the computer, an integrated function circuit board and a DC regulated power supply. The function circuit board is connected with a to-be-detected anti-lock brake system controller and the computer through a CAN bus and a K line. The off-line detecting software module is connected with the integrated function circuit board through a serial port. The detection device is advantaged in that for product off-line detection of different model anti-lock brake system controllers, only determining data of the off-line detection software needs modifying, and new off-line detection devices are not needed to develop. The detection device is also advantaged by good expansibility, simple structure, good intuition, good practicality, etc. The detection device can record product information, and effectively inquire and track unqualified controller products, and is advantaged by having effective fault location capability, system traceability, etc.
Description
Technical field
The utility model belongs to brake system controller off-line test equipment manufacturing technology field, specifically, relates to a kind of anti-lock braking system controller off-line test device.
Background technology
At present, in anti-lock braking system in automobiles (ABS) controller (ECU) manufacturing technology field, equipment and detection method for the controller off-line test, mainly be before the controller product rolls off the production line, it is carried out once complete detection, be used for determining whether its automatically controlled part exists potential fault.
In the prior art, usually adopt FCT(Functional Circuit Test) mode of functional test, providing under the Operational simulation environment, test every input/output function by the testing staff according to checkout equipment, thereby judge whether controller function is good.The dominant ideas of this FCT Function detection are that an electronic equipment or a circuit board are processed as black box, by the external signal input/output end port of port that connects of the pin hole on the needle-bar, behind the normal operating conditions plugged, by apply the input signal combination of various regulations at input port, detect the response signal of output port.Adopt above-mentioned prior art scheme, have following many technical matterss:
1, adopt above-mentioned prior art scheme, by apply the input signal combination of various regulations for input port, detect the response signal of output port, this mode to the hardware circuit board design require high;
2, above-mentioned prior art scheme versatility is relatively poor;
3, above-mentioned existing equipment Focus, construction cycle are longer;
4, above-mentioned prior art scheme lacks the localization of fault ability.
Chinese patent literature discloses a kind of title " anti-lock braking system in automobiles and controller performance pick-up unit and detection method " on February 14th, 2007, the patent No. is the patent of CN200510035852.5, has mainly disclosed the record for anti-lock braking system controller pick-up unit and detection method.This patent has been put down in writing device for detecting performance and the detection method of a kind of anti-lock braking system in automobiles and controller thereof, utilize abs valve control signal acquisition module, ABS wheel speed signal analog module, Single Chip Microcomputer (SCM) system, ABS data sampling module, serial communication module, power regulator module, power supply, microcomputer, realize road analogy and braking procedure emulation, thereby when anti-lock braking system in automobiles controller product carried out indoor detection and vehicle operating vehicle-mounted ABS system is tested.But in working control device product off-line test, there is following technological deficiency in the prior art:
1, the prior art scheme realizes the drafting to the speed of a motor vehicle, wheel speed, wheel acceleration, slip rate curve in the testing process, but incipient fault that can not the automatically controlled part of test controller product, and can not reflect the peripheral circuit functions such as the detection of controller product bug, switch detection, communication check, therefore do not meet the requirement of anti-lock braking system controller off-line test.
2, the detection method of prior art scheme can't recording product information, and defective controller product can not effectively be inquired about and follow the trail of.
The utility model content
Technical problem to be solved in the utility model is, by apply the input signal combination of various regulations for input port, detects the mode of output port response signal in the prior art, to the hardware circuit board design require high; Versatility is relatively poor; Equipment Focus, construction cycle are longer; Lack the localization of fault ability, simultaneously, incipient fault that can't the automatically controlled part of test controller product, can not reflect the many peripheral circuit functions of controller, do not meet the requirement of anti-lock braking system controller off-line test, can't recording product information, can not effectively inquire about and the technical matters such as follow the trail of defective controller product, and a kind of anti-lock braking system controller off-line test device and detection method are provided.
Design of the present utility model is, providing a kind of is connected tested anti-lock braking system controller with highly integrated pick-up unit, described controller and pick-up unit carry out the signal transmission by CAN bus and K line, tested controller is placed the Operational simulation environment, modules in the integrated pick-up unit of described height, gather the data message of tested controller, compare by every data message of in tested controller, gathering and input value or desired value, the performance when thereby checking detected object product rolls off the production line, and to as a result keeping records of off-line test.
The technical solution of the utility model is, a kind of anti-lock braking system controller off-line test device, described off-line test device comprises the off-line test software module of establishing in computing machine, the described computing machine, integrated functional circuit plate and D.C. regulated power supply, described functional circuit plate by CAN bus and K line and tested anti-lock braking system controller be connected computing machine and be connected; Described functional circuit plate comprises analog channel module, simulation wheel speed signal controlling module, ignition switch, functional switch, diagnosis button and alarm lamp control module, the single-chip microcomputer main control module, the fault simulation module, signal acquisition module, analog regulation valve load blocks; Described computing machine has at least one serial ports, is connected with described communication module.
The output terminal of described simulation wheel speed signal controlling module is connected with the input end of anti-lock braking system controller to be measured, and its input signal is inputted by communication module by described single-chip microcomputer main control module; Described simulation wheel speed signal controlling module is used for simulating the wheel speed of each actual wheel.
The output terminal of described ignition switch, functional switch, diagnosis button and alarm lamp control module is connected with the input end of anti-lock braking system controller to be measured.
Described single-chip microcomputer main control module has the controller that meets CAN2.0 communication protocol, the dual serial communication interface is connected with communication module at least, and described single-chip microcomputer main control module is connected with ignition switch, functional switch, diagnosis button and alarm lamp control module, fault simulation module, signal acquisition module respectively by the I/O mouth; Described single-chip microcomputer main control module obtains the fault data information that is stored in the anti-lock braking system controller to be measured, wheel speed data message, system information etc. by communication module, by signal acquisition module collection igniting switching signal, functional switch signal, diagnosis button signal and alarm lamp is bright, signal goes out.
The output terminal of described fault simulation module is connected with the input end of anti-lock braking system controller to be measured, and its input signal is inputted by described single-chip microcomputer main control module I/O mouth; Described fault simulation module is used for simulating each variable valve, each wheel speed sensors open circuit fault or to power end short trouble or terminal shortcircuit fault over the ground.
The output terminal of described signal acquisition module is connected with described single-chip microcomputer main control module I/O mouth, and its input signal is inputted by anti-lock braking system controller to be measured; Described analog regulation valve load blocks is connected with the input end of anti-lock braking system controller to be measured; Described analog regulation valve load blocks is used for providing fictitious load to anti-lock braking system controller to be measured.
A kind of anti-lock braking system controller off-line test method, described anti-lock braking system controller comprises the off-line test software module, described off-line test software module comprises man-machine interface, and described man-machine interface comprises login interface, the test item interface is set and detects the interface;
Input operation person's code and anti-lock braking system controller start sequence number to be checked in described login interface;
Described the setting following test item is set in the test item interface:
1. variable valve open circuit, over the ground terminal shortcircuit, to the detection of power end short circuit;
2. wheel speed sensors open circuit, over the ground terminal shortcircuit, to the power end short-circuit detecting;
3. functional switch, diagnosis button, alarm lamp detect;
4. the CAN bus communication detects;
5. whether need system is reconfigured;
6. wheel speed signal detects.
After available serial ports is selected at described detection interface, send sense command to the single-chip microcomputer main control module, Detection of content arranges the project that the test item interface arranges except described, also comprises read system information, writes and be connected production information, variable valve motion detection, controller powers on is stored in the interior fault of controller with being connected, being connected, reading with anti-lock braking system controller to be measured communication and removing.
Described single-chip microcomputer main control module is after receiving sense command, move according to command execution, and data message is sent to described off-line test software module in real time, after described off-line test software module detects beginning, detect and automatically carry out, and the data that described single-chip microcomputer main control module is replied and input value or desired value compare, thereby judge whether this test item passes through.
When described off-line test software module detects item by item end afterwards or nonconformance occurs, one-time detection stops, if give the caution that makes mistake when producing nonconformance in the testing process, one-time detection is cut off the power supply to controller after finishing, and testing result recorded item by item and is saved in the worksheet so that defective failure cause inquiry with follow the trail of.
Adopt technical scheme provided by the utility model, can effectively solve in the prior art by apply the input signal combination of various regulations for input port, detect the mode of output port response signal, to the hardware circuit board design require high; Versatility is relatively poor; Equipment Focus, construction cycle are longer; Lack the localization of fault ability, simultaneously, incipient fault that can't the automatically controlled part of test controller product, can not reflect the many peripheral circuit functions of controller, do not meet the requirement of anti-lock braking system controller off-line test, can't recording product information, can not effectively inquire about and the technical matters such as follow the trail of defective controller product; Simultaneously, the utility model also has only to need make amendment to the decision data of off-line test software for the controller product of different model and gets final product, need not again develop new lower line testing device, have favorable expandability, simple in structure, intuitive good, the advantage such as practical; Recording product information is effectively inquired about and is followed the trail of defective controller product, has the advantages such as effective localization of fault ability, system's trackability be strong.
Description of drawings
By reference to the accompanying drawings, the utility model is further described;
Fig. 1 is the utility model structural representation;
Wherein, 1 is computing machine, and 2 is the off-line test software module, and 3 is anti-lock braking system controller to be measured, 4 D.C. regulated power supplies, 5 are simulation wheel speed signal controlling module, and 6 is communication module, and 7 is ignition switch, functional switch, diagnosis button and alarm lamp control module, 8 is the single-chip microcomputer main control module, 9 is the fault simulation module, and 10 is signal acquisition module, and 11 is analog regulation valve load blocks.
Embodiment
As shown in Figure 1, technical scheme provided by the utility model is, a kind of for anti-lock braking system controller off-line test device and detection method, described pick-up unit is by computing machine 1, anti-lock braking system off-line test software module 2, simulation wheel speed signal controlling module 5, communication module 6, ignition switch, functional switch, diagnosis button and alarm lamp control module 7, single-chip microcomputer main control module 8, fault simulation module 9, signal acquisition module 10, analog regulation valve load blocks 11, D.C. regulated power supply 4, anti-lock braking system controller 3 to be measured forms, operation anti-lock braking system controller off-line test software module 2 in the computing machine 1, off-line test software module 2 is by the serial communication mode in the communication module 6 and 8 communication connections of single-chip microcomputer main control module, and to the 8 issue sense commands of single-chip microcomputer main control module or input desired value information, and single-chip microcomputer main control module 8 is carried out measuring ability immediately after receiving the detection instruction, and will get access to the data message that is stored in the data message in the anti-lock braking system controller 3 to be measured or collects controller 3 ports and send to anti-lock braking system off-line test software module 2, off-line test software module 2 compares these data messages and desired value information, draws test result.
The man-machine interface of described anti-lock braking system controller off-line test software module 2 comprises the system login interface, the test item interface is set and detects the interface, input operation person's code and anti-lock braking system controller start sequence number to be checked in the system login interface can arrange following test item arranging in the test item interface: 1. the variable valve open circuit, over the ground terminal shortcircuit, to the detection of power end short circuit; 2. wheel speed sensors open circuit, over the ground terminal shortcircuit, to the power end short-circuit detecting; 3. functional switch, diagnosis button, alarm lamp detect; 4. the CAN bus communication detects; 5. whether need system is reconfigured; 6. wheel speed signal detects.After detecting the available serial ports of interface selection, send sense command to the single-chip microcomputer main control module, Detection of content also comprises read system information, writes and is connected production information, variable valve motion detection, controller powers on be connected, be connected, read with anti-lock braking system controller to be measured communication and remove the fault that is stored in the controller except the project that the test item interface is set.Anti-lock braking system controller off-line test software module 2 detects by flow process each project automatically, and the real-time data message that obtains from single-chip microcomputer main control module 8 that shows, after detect finishing or when nonconformance occurring, one-time detection stops, if give the caution that makes mistake when producing nonconformance in the testing process, cut off the power supply to controller after one-time detection finishes, and testing result is recorded item by item and is saved in the Excel worksheet, so that defective failure cause inquired about and followed the trail of.
Described simulation wheel speed signal controlling module 5, communication module 6, ignition switch, functional switch, diagnosis button and alarm lamp control module 7, single-chip microcomputer main control module 8, fault simulation module 9, signal acquisition module 10, analog regulation valve load blocks 11 all are integrated on the functional circuit plate, the output terminal of simulation wheel speed signal controlling module 5 is connected with the input end of anti-lock braking system controller 3 to be measured, and its input signal is inputted by communication module 6 by single-chip microcomputer main control module 8; The output terminal of ignition switch, functional switch, diagnosis button and alarm lamp control module 7 is connected with the input end of anti-lock braking system controller 3 to be measured; Single-chip microcomputer main control module 8 has the controller that meets CAN2.0 communication protocol, the dual serial communication interface is connected with communication module 6 at least, is connected with ignition switch, functional switch, diagnosis button and alarm lamp control module 7, fault simulation module 9, signal acquisition module 10 by the I/O mouth; The output terminal of fault simulation module 9 is connected with the input end of anti-lock braking system controller 3 to be measured, and its input signal is inputted by single-chip microcomputer main control module (8) I/O mouth; The output terminal of signal acquisition module 10 is connected with single-chip microcomputer main control module 8 I/O mouths, and its input signal is by anti-lock braking system controller 3 inputs to be measured; Analog regulation valve load blocks 11 is connected with the input end of anti-lock braking system controller 3 to be measured.
The core control section that described single-chip microcomputer main control module 8 is whole off-line detection systems, it is by CAN bus and 5 communications of simulation wheel speed signal controlling module, the wheel speed value information that issue need to detect; Give the anti-lock braking system controller 3 input relevant action information by fault simulation module 9, ignition switch, functional switch, DCM diagnostic control module and alarm lamp analog module 7, and from anti-lock braking system controller 3, obtain fault data information by the K radiodiagnosis x communication in the communication module; Gather ignition switch, functional switch, diagnosis button controls and alarm lamp is bright, the information of going out by signal acquisition module 10; Associative operation is carried out in sense command according to off-line test software module 2, and related data is passed to the anti-lock braking system controller off-line test software module 2 of operation in the computing machine 1 by serial ports.
The simulated failure of described fault simulation module 9 comprises: simulate each wheel speed sensors shorted to earth fault or to power supply short circuit fault or open circuit fault, simulate each variable valve shorted to earth fault or to power supply short circuit fault or open circuit fault.After fault produced, anti-lock braking system controller 3 to be measured can record these failure messages, was read these failure messages and was removed fault by single-chip microcomputer main control module 8.
Described signal acquisition module 10 realizes by photoelectric coupled device, and gathers the alarm lamp signal after each variable valve control signal of anti-lock braking system to be measured, alarm lamp light on and off signal, function Push And Release signal, the diagnosis button control.
Described analog regulation valve load blocks 11 adopts enamelled resistor, and its resistance is identical with each variable valve actual resistance, fictitious load is provided for anti-lock braking system controller 3 to be measured.
Communication mode in the described communication module 6 has the CAN bus communication, based on the communication of the K line of KWP2000 communication protocol, serial communication.
Described simulation wheel speed signal controlling module 5 is used for simulating the wheel speed of each actual wheel, and wheel speed signal is input to anti-lock braking system controller 3 to be measured.
Described D.C. regulated power supply 4 is used for providing working power to modules such as anti-lock braking system controller 3 to be measured, single-chip microcomputer main control modules 8.
Above embodiment is only unrestricted in order to the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, the utility model is made amendment or is equal to replacement, and not breaking away from spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. anti-lock braking system controller off-line test device, it is characterized in that, described off-line test device comprises the off-line test software module (2) of establishing in computing machine (1), the described computing machine (1), integrated functional circuit plate and D.C. regulated power supply (4), described functional circuit plate by CAN bus and K line and tested anti-lock braking system controller be connected computing machine (1) and be connected; Described functional circuit plate comprises analog channel module (6), simulation wheel speed signal controlling module, ignition switch, functional switch, diagnosis button and alarm lamp control module (7), single-chip microcomputer main control module (8), fault simulation module (9), signal acquisition module (10), analog regulation valve load blocks (11); Described computing machine (1) has at least one serial ports, is connected with described communication module (6).
2. a kind of anti-lock braking system controller off-line test device according to claim 1, it is characterized in that, the output terminal of described simulation wheel speed signal controlling module is connected with the input end of anti-lock braking system controller to be measured (3), and its input signal is inputted by communication module (6) by described single-chip microcomputer main control module (8); Described simulation wheel speed signal controlling module is used for simulating the wheel speed of each actual wheel.
3. a kind of anti-lock braking system controller off-line test device according to claim 1 and 2, it is characterized in that the output terminal of described ignition switch, functional switch, diagnosis button and alarm lamp control module (7) is connected with the input end of anti-lock braking system controller to be measured (3).
4. a kind of anti-lock braking system controller off-line test device according to claim 3, it is characterized in that, described single-chip microcomputer main control module (8) has the controller that meets CAN2.0 communication protocol, the dual serial communication interface is connected with communication module (6) at least, and described single-chip microcomputer main control module (8) is connected with ignition switch, functional switch, diagnosis button and alarm lamp control module (7), fault simulation module (9), signal acquisition module (10) respectively by the I/O mouth; Described single-chip microcomputer main control module (8) obtains by communication module (6) and is stored in the inner fault data information of anti-lock braking system controller to be measured (3), wheel speed data message, system information etc., gathers igniting switching signal, functional switch signal, diagnosis button signal and alarm lamp is bright, signal goes out by signal acquisition module (10).
5. a kind of anti-lock braking system controller off-line test device according to claim 4, it is characterized in that, the output terminal of described fault simulation module (9) is connected with the input end of anti-lock braking system controller to be measured (3), and its input signal is inputted by described single-chip microcomputer main control module (8) I/O mouth; Described fault simulation module (9) is used for simulating each variable valve, each wheel speed sensors open circuit fault or to power end short trouble or terminal shortcircuit fault over the ground.
6. a kind of anti-lock braking system controller off-line test device according to claim 5, it is characterized in that, the output terminal of described signal acquisition module (10) is connected with described single-chip microcomputer main control module (8) I/O mouth, and its input signal is inputted by anti-lock braking system controller to be measured (3); Described analog regulation valve load blocks (11) is connected with the input end of anti-lock braking system controller to be measured (3); Described analog regulation valve load blocks (11) is used for providing fictitious load to anti-lock braking system controller to be measured (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220500682 CN202795047U (en) | 2012-09-26 | 2012-09-26 | Anti-lock brake system controller off-line detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220500682 CN202795047U (en) | 2012-09-26 | 2012-09-26 | Anti-lock brake system controller off-line detection device |
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| CN202795047U true CN202795047U (en) | 2013-03-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890502A (en) * | 2012-09-26 | 2013-01-23 | 芜湖伯特利汽车安全系统有限公司 | Off-line detection device and detection method of anti-lock brake system electronic control unit |
| CN107992031A (en) * | 2017-12-25 | 2018-05-04 | 苏州睿艾迪汽车科技有限公司 | FCT test systems based on resistance simulation |
| CN114153195A (en) * | 2021-11-30 | 2022-03-08 | 中国重汽集团济南动力有限公司 | Automatic offline detection and calibration system for vehicle electric control braking function |
-
2012
- 2012-09-26 CN CN 201220500682 patent/CN202795047U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890502A (en) * | 2012-09-26 | 2013-01-23 | 芜湖伯特利汽车安全系统有限公司 | Off-line detection device and detection method of anti-lock brake system electronic control unit |
| CN102890502B (en) * | 2012-09-26 | 2016-07-06 | 芜湖伯特利汽车安全系统股份有限公司 | A kind of anti-lock braking system controller off-line test device and detection method |
| CN107992031A (en) * | 2017-12-25 | 2018-05-04 | 苏州睿艾迪汽车科技有限公司 | FCT test systems based on resistance simulation |
| CN107992031B (en) * | 2017-12-25 | 2024-03-15 | 天航长鹰(江苏)科技有限公司 | FCT test system based on resistance simulation |
| CN114153195A (en) * | 2021-11-30 | 2022-03-08 | 中国重汽集团济南动力有限公司 | Automatic offline detection and calibration system for vehicle electric control braking function |
| CN114153195B (en) * | 2021-11-30 | 2024-05-10 | 中国重汽集团济南动力有限公司 | Automatic offline detection and calibration system for vehicle electric control braking function |
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee after: BETHEL AUTOMOTIVE SAFETY SYSTEMS Co.,Ltd. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee before: WUHU BETHEL AUTOMOTIVE SAFETY SYSTEMS Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |