CN110687890A - Application method and detection system of automatic offline CHKPAL of diesel vehicle - Google Patents
Application method and detection system of automatic offline CHKPAL of diesel vehicle Download PDFInfo
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- CN110687890A CN110687890A CN201910962601.3A CN201910962601A CN110687890A CN 110687890 A CN110687890 A CN 110687890A CN 201910962601 A CN201910962601 A CN 201910962601A CN 110687890 A CN110687890 A CN 110687890A
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Abstract
The invention discloses a use method and a detection system of automatic offline CHKPAL of a diesel vehicle, which comprises a vehicle-mounted ECU, wherein the vehicle-mounted ECU is fixedly arranged in a national six-diesel vehicle, the vehicle-mounted ECU is electrically connected to a controller local area network, the controller local area network is electrically connected with a CAN-to-WIFI module, the CAN-to-WIFI module is electrically connected with a WIFI receiving and transmitting device, and the WIFI receiving and transmitting device transmits signals to wireless terminal equipment in a wireless mode; according to the invention, the detection of the national six-diesel vehicle is realized through CHKPAL software, and the signal of the ECU is requested and acquired through the CAN-to-WIFI module; the content of offline detection is streamlined and automated in the CHKPAL, and the whole detection process comprises voice operation prompt, real-time detection result feedback, detection result statistics and the like; the invention is very convenient to use and operate, can greatly simplify the difficulty of off-line detection and improve the efficiency of off-line detection.
Description
Technical Field
The invention belongs to the technical field of vehicle detection, particularly relates to a use method of an automatic offline CHKPAL of a diesel vehicle, and further relates to an automatic offline detection system of the diesel vehicle.
Background
The finished automobile off-line detection is an important quality detection link before the finished automobile leaves a factory. If the vehicle is not comprehensively detected in the offline detection process, the vehicle with the problem is issued, potential safety hazards exist, relevant requirements are not met, and meanwhile, the after-sale maintenance cost is increased. Due to the upgrade of the national six-emission technology, the workload of offline detection of the national six-diesel vehicle is more and more, and the workload comprises vehicle signal detection, instrument lamp detection, vehicle function detection, driveability detection, SCR function detection, DPF function detection, OBD detection, PEMS detection and the like.
According to the traditional vehicle offline detection method, manual recording and comparison of parameters of each vehicle are needed, and then the parameters are recorded into a background system, so that more manpower is consumed, the detection time is longer, more uncontrollable factors or variables exist, and the efficiency of vehicle offline detection is lower. At present, the offline detection of the six entire vehicles in China needs a plurality of professional engineers in multiple departments to carry out factory parking offline detection, INCA equipment is used for connecting with an ECU, detection is carried out one by one according to a guidance manual, and the method is very complex, time-consuming and labor-consuming. At present, similar off-line detection tool products for the national six-diesel vehicle do not exist at home and abroad.
Disclosure of Invention
The invention aims to provide a using method and a detection system of automatic offline CHKPAL of a diesel vehicle, which aim to solve the problems of huge workload, very complex operation, time and labor consumption and the like in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a use method of automatic off-line CHKPAL of a diesel vehicle comprises the following steps:
s1, installing and using CHKPAL software, installing the CHKPAL software on the wireless terminal equipment, and opening the CHKPAL software to enter a home page;
s2, configuring various types, entering a configuration page to select newly-added configuration to configure the type of the national six-diesel vehicle when the vehicle needs to be detected, and selecting the existing configuration information in the historical configuration to directly detect the vehicle;
s3, checking items, selecting items needing to be detected for the model of the whole diesel vehicle when entering a CHKPAL software main interface, and then operating the whole diesel vehicle;
s4, information transmission, wherein the controller local area network is electrically connected with the vehicle-mounted ECU to obtain information of the whole diesel vehicle, data information conversion is realized through the CAN-WIFI module, and information is received by the WIFI transmitter and sent to the wireless terminal;
and S5, processing the data, calculating the data information by the wireless terminal, detecting whether the data information is in the range of normal data, continuing to detect the next item after one item of detection is finished, and terminating the detection when the item is the last item.
Preferably, the information to be configured in step S2 includes a model of the entire vehicle, a model of the engine, a model of the ECU, and a name of the inspector.
Preferably, the step S3 may detect items including vehicle signal inspection, instrument light inspection, vehicle function inspection, drivability detection, SCR function detection, DPF function detection, OBD detection, and PEMS detection.
Preferably, the CAN-to-WIFI module in S4 is a mutual transmission function between CAN bus data and WIFI data, and a user CAN use the mobile terminal connection module to monitor and send data in the factory and CAN also use two terminals to complete wireless interconnection of two CAN buses.
The utility model provides an automatic detecting system that rolls off production line of diesel vehicle, includes on-vehicle ECU, on-vehicle ECU fixed mounting is in the whole car of six diesel oil in state, and on-vehicle ECU is as the microcomputer controller of the whole car of six diesel oil in state, on-vehicle ECU electric connection is on the controller area network, controller area network changes WIFI module electric connection with the CAN, the CAN changes the WIFI module and converts the controller area network into the WIFI signal, the CAN changes WIFI module and WIFI and receives transmitter electric connection, WIFI receives the transmitter and transmits the signal for wireless terminal equipment through wireless transmission, install CHKPAL software in the wireless terminal equipment.
Preferably, the vehicle-mounted ECU is a vehicle-mounted microcomputer controller, and is composed of a Microprocessor (MCU), a memory (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), and a large-scale integrated circuit for shaping and driving.
Preferably, the controller area network adopts an XCP/CCP protocol communication module, the CCP protocol is a CAN calibration protocol and a calibration protocol based on a CAN bus, and the XCP protocol is a universal test calibration protocol and CAN be applied to a plurality of buses.
Preferably, the WIFI receiving transmitter comprises a wireless receiving module and a wireless sending module.
Preferably, the CHKPAL software can perform flash calibration on the vehicle-mounted ECU through a wireless receiving and transmitting device, and the CHKPAL software can make the detection content flow and be automated.
The invention has the technical effects and advantages that: compared with the prior art, the use method and the detection system of the automatic offline CHKPAL of the diesel vehicle have the following advantages that:
the detection of the diesel vehicle is realized through CHKPAL software, and the detection system mainly comprises a CAN control local area network and a WIFI module which are connected with a mobile terminal APP CHKPAL; requesting and acquiring a signal of the ECU through a CAN-to-WIFI module; the content of offline detection is streamlined and automated in the CHKPAL, and the whole detection process comprises voice operation prompt, real-time detection result feedback, detection result statistics and the like; the invention is very convenient to use and operate, can greatly simplify the difficulty of off-line detection and improve the efficiency of off-line detection.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a flow chart of CHKPAL usage according to the present invention;
FIG. 3 is a circuit diagram of a wireless transmitting module according to the present invention;
fig. 4 is a circuit diagram of a wireless receiving module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a use method of an automatic off-line CHKPAL of a diesel vehicle as shown in figure 2, which comprises the following steps:
s1, installing and using CHKPAL software, installing the CHKPAL software on the wireless terminal equipment, and opening the CHKPAL software to enter a home page;
s2, configuring various types, entering a configuration page to select newly-added configuration to configure the type of the national six-diesel vehicle when the vehicle needs to be detected, and selecting the existing configuration information in the historical configuration to directly detect the vehicle;
s3, checking items, selecting items needing to be detected for the model of the whole diesel vehicle when entering a CHKPAL software main interface, and then operating the whole diesel vehicle;
s4, information transmission, wherein the controller local area network is electrically connected with the vehicle-mounted ECU to obtain information of the whole diesel vehicle, data information conversion is realized through the CAN-WIFI module, and information is received by the WIFI transmitter and sent to the wireless terminal;
and S5, processing the data, calculating the data information by the wireless terminal, detecting whether the data information is in the range of normal data, continuing to detect the next item after one item of detection is finished, and terminating the detection when the item is the last item.
Preferably, the information to be configured in step S2 includes a model of the entire vehicle, a model of the engine, a model of the ECU, and a name of the inspector.
By adopting the technical scheme, the detection range value of the whole vehicle can be effectively acquired for information configuration, and the detection information can be conveniently recorded and stored.
Preferably, the detection items in step S3 include vehicle signal detection, instrument light detection, vehicle function detection, driveability detection, SCR function detection, DPF function detection, OBD detection, and PEMS detection.
By adopting the technical scheme, various information of the whole vehicle can be effectively detected, so that the detection of the whole vehicle is complete.
Preferably, the CAN to WIFI module in S4 is a mutual transmission function between CAN bus data and WIFI data, and a user CAN use the mobile terminal connection module to monitor and send data in the factory and CAN use two terminals to complete wireless interconnection of two CAN buses.
Through adopting above-mentioned technical scheme, the CAN of this department changes the WIFI module CAN be effectual changes the transmission mode of signal for information CAN be transmitted wireless terminal equipment, and the CHKPAL software on the wireless dispute equipment CAN write by brush the demarcation to on-vehicle CEU.
According to the figure 1, figure 3 and figure 4, still provide an automatic off-line detection system of diesel vehicle, including on-vehicle ECU, in order to realize the control to whole car, in on-vehicle ECU fixed mounting in the whole car of six diesel oil in state, and on-vehicle ECU is as the microcomputer control ware of the whole car of six diesel oil in state, in order to realize the transmission of information, on-vehicle ECU electric connection on controller area network, controller area network changes WIFI module electric connection with the CAN, in order to realize the transmission of information to wireless terminal equipment, use the CAN to change the WIFI module and convert controller area network into the WIFI signal, the CAN changes WIFI module and WIFI receiver emitter electric connection, the WIFI receiver emitter transmits the signal for wireless terminal equipment through wireless transmission, install CHKPAL software in the wireless terminal equipment.
Preferably, the vehicle-mounted ECU is a vehicle-mounted microcomputer controller, and is composed of a Microprocessor (MCU), a memory (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), and a large-scale integrated circuit for shaping and driving.
By adopting the above technical scheme, the vehicle-mounted ECU has a self-diagnosis function, and when the system has a fault, the vehicle-mounted ECU can automatically record a fault code in the RAM and adopt a protection measure to read an alternative program from the inherent program so as to maintain the operation of the engine. Meanwhile, the fault information can be displayed on the instrument panel and can be kept alive; the system has the advantages that the system has an adaptive function, the RAM can record data of driving continuously under normal conditions, the data become a learning program of the ECU, an optimal control state is provided for adapting to driving habits of the user, and the program is also called an adaptive program; the information transmission among a plurality of ECUs on the automobile adopts a multiplexing communication network technology, and the ECUs of the whole automobile form a network system, namely a CAN data bus.
Preferably, the controller area network adopts an XCP/CCP protocol communication module, the CCP protocol is a CAN calibration protocol, the calibration protocol is based on a CAN bus, and the XCP protocol is a universal test calibration protocol and CAN be applied to a plurality of buses.
By adopting the technical scheme, the XCP/CCP protocol is widely applied to the protocol of the data bus, and certain parameters can be directly changed on software by matching the XCP/CCP protocol with the A2L file, so that the actuator can give corresponding feedback.
Preferably, the WIFI receiving transmitter comprises a wireless receiving module and a wireless sending module.
By adopting the technical scheme, the wireless receiving module and the wireless sending module can effectively receive and send information to the wireless terminal equipment.
Preferably, the CHKPAL software can perform flash calibration on the vehicle-mounted ECU through the wireless receiving and transmitting device, and the CHKPAL software can make the detection content flow and be automated.
By adopting the technical scheme, the CHKPAL software at the position can realize the detection content flow and automation, so that the detection operation process is very simple and rapid.
The built-in wireless sending module and the built-in wireless receiving module of WIFI receiving launcher respectively adopt PT2272 and PT2262 to pair and encode, decode the chip and constitute wireless communication module, PT 2272's 17 foot (VT) is for receiving the valid state instruction, what LM 358's 1 foot (RXD) output is the square wave signal after demodulating. From the analysis of the sampling result of the logic analyzer, when the PT2272 receives the valid encoded data, the VT terminal outputs a high level. The wireless transmitting module sends a coding signal by a coding chip PT2262 according to the working principle of the wireless transmitting and receiving module: after the decoding chip PT2272 receives the signal, the address code is compared and checked twice, the VT pin outputs high level, and at the same time, the corresponding data pin also outputs high level.
The working principle is as follows: the method comprises the steps of driving a national diesel vehicle to a detection area, connecting a vehicle-mounted ECU with a controller local area network, connecting the controller local area network in a communication mode through a CAN-to-WIFI module, connecting the CAN-to-WIFI module with a WIFI receiving transmitter in a communication mode, connecting a wireless terminal with a WIFI receiving transmitter in a wireless communication mode, configuring the model number of various information finished vehicles, the model number of an engine, the model number of the ECU and the name of a detector of the national diesel vehicle in CHKPAL software on a handheld PAD or large-screen mobile phone of a wireless terminal device, or selecting historical configuration, entering a detection interface, checking detection information, operating the national diesel vehicle, controlling the vehicle-mounted ECU through the WIFI receiving transmitter by the wireless terminal device to obtain detection, starting to calculate a comparison parameter range for data information when the detection information is transmitted to the CHKPAL software of the wireless terminal device, and determining whether the detection items of the whole national six-diesel vehicle meet the standard, then detecting the next item, and finishing the detection when the last item is detected.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a diesel vehicle automatic service method of coming off-line CHKPAL which characterized in that: the method comprises the following steps:
s1, installing and using CHKPAL software, installing the CHKPAL software on the wireless terminal equipment, and opening the CHKPAL software to enter a home page;
s2, configuring various types, entering a configuration page to select newly-added configuration to configure the type of the national six-diesel vehicle when the vehicle needs to be detected, and selecting the existing configuration information in the historical configuration to directly detect the vehicle;
s3, checking items, selecting items needing to be detected for the model of the whole diesel vehicle when entering a CHKPAL software main interface, and then operating the whole diesel vehicle;
s4, information transmission, wherein the controller local area network is electrically connected with the vehicle-mounted ECU to obtain information of the whole diesel vehicle, data information conversion is realized through the CAN-WIFI module, and information is received by the WIFI transmitter and sent to the wireless terminal;
and S5, processing the data, calculating the data information by the wireless terminal, detecting whether the data information is in the range of normal data, continuing to detect the next item after one item of detection is finished, and terminating the detection when the item is the last item.
2. The use method of the automatic offline CHKPAL of the diesel vehicle as claimed in claim 1, wherein: the information to be configured in step S2 includes the model of the entire vehicle, the model of the engine, the model of the ECU, and the name of the inspector.
3. The use method of the automatic offline CHKPAL of the diesel vehicle as claimed in claim 1, wherein: in the step S3, items including vehicle signal inspection, instrument light inspection, vehicle function inspection, driveability inspection, SCR function inspection, DPF function inspection, OBD detection, and PEMS detection may be detected.
4. The use method of the automatic offline CHKPAL of the diesel vehicle as claimed in claim 1, wherein: the CAN-to-WIFI module in the S4 is a mutual transmission function between CAN bus data and WIFI data, and a user CAN use the mobile terminal connection module to monitor and send data in the factory and CAN also use two terminals to complete wireless interconnection of two CAN buses.
5. The utility model provides an automatic detecting system that rolls off production line of diesel vehicle, includes on-vehicle ECU, its characterized in that: vehicle-mounted ECU fixed mounting is in the whole car of six diesel oil in state, and vehicle-mounted ECU is as the microcomputer control ware of the whole car of six diesel oil in state, vehicle-mounted ECU electric connection is on controller area network, controller area network changes WIFI module electric connection with the CAN, the CAN changes the WIFI module and converts controller area network into the WIFI signal, the CAN changes WIFI module and WIFI and receives transmitter electric connection, WIFI receives the transmitter and transmits the signal for wireless terminal equipment through wireless transmission, install CHKPAL software in the wireless terminal equipment.
6. The diesel vehicle automatic offline detection system of claim 5, wherein: the vehicle-mounted ECU is a vehicle-mounted microcomputer controller and consists of a Microprocessor (MCU), a memory (ROM and RAM), an input/output interface (I/O), an analog-to-digital converter (A/D), a shaping circuit, a driving circuit and other large-scale integrated circuits.
7. The diesel vehicle automatic offline detection system of claim 5, wherein: the controller area network adopts an XCP/CCP protocol communication module, the CCP protocol is a CAN calibration protocol and is a calibration protocol based on a CAN bus, and the XCP protocol is a universal test calibration protocol and CAN be applied to a plurality of buses.
8. The diesel vehicle automatic offline detection system of claim 5, wherein: the WIFI receiving transmitter comprises a wireless receiving module and a wireless sending module.
9. The diesel vehicle automatic offline detection system of claim 5, wherein: the CHKPAL software can be used for performing flash calibration on the vehicle-mounted ECU through a wireless receiving and transmitting device, and can realize the flow and automation of detection contents.
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| CN201910962601.3A CN110687890A (en) | 2019-10-11 | 2019-10-11 | Application method and detection system of automatic offline CHKPAL of diesel vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113341939A (en) * | 2021-08-04 | 2021-09-03 | 北京智科车联科技有限公司 | Vehicle offline detection system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113341939A (en) * | 2021-08-04 | 2021-09-03 | 北京智科车联科技有限公司 | Vehicle offline detection system and method |
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