CN111505407A - Vehicle detection system and detection method - Google Patents
Vehicle detection system and detection method Download PDFInfo
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- CN111505407A CN111505407A CN202010185097.3A CN202010185097A CN111505407A CN 111505407 A CN111505407 A CN 111505407A CN 202010185097 A CN202010185097 A CN 202010185097A CN 111505407 A CN111505407 A CN 111505407A
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
Abstract
The embodiment of the invention discloses a vehicle detection system and a detection method, and belongs to the technical field of vehicles. Wherein the vehicle detection system comprises: the system comprises main equipment, slave equipment and a multifunctional diagnostic instrument, wherein the main equipment is hung above a vehicle, is connected with the multifunctional diagnostic instrument through an OBD connecting line and is in optical wireless communication with the slave equipment; the slave equipment is arranged on a windshield in the vehicle and is connected with the OBD of the vehicle through an OBD connecting line; the multifunctional diagnostic apparatus is connected with the main equipment through an OBD connecting line. The invention does not need to adopt the existing rapid infrared access point equipment, thereby greatly reducing the cost.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle detection system and a detection method.
Background
With the popularization of the bus structure of the CAN (Controller Area Network) of the automobile and the large application of the bus with higher transmission rate, the integration of the automobile functions shows an explosive development. Meanwhile, the number of electronic and electric appliance control units on the whole automobile is rapidly increased, so that the quality control of the automobile before delivery is more and more important. The function and performance of the automobile electronic system are more important life lines in the product quality link. The electronic detection of the whole automobile can be implemented, the function of an electronic system of the automobile can be verified, and the requirements of automobile production are met. When the vehicle is detected, the electric detection equipment and the detection line equipment are respectively communicated with the vehicle, and the vehicle is diagnosed and monitored by sending a program instruction.
The category of the electric examination item is as follows: the vehicle communication project complete numbers are collected into the electric examination project, and the multifunctional diagnostic instrument is used as a main control device, so that data can be managed and analyzed uniformly. The electrical inspection device, such as a multifunctional diagnostic apparatus, communicates with the inspection line device through an IDT (integrated dynamic communication protocol) protocol, is connected with the vehicle through an OBD (On Board Diagnostics) connector, detects the state and function of the vehicle, uploads the detection result to a server, and prints the detection result.
The existing detection mode has a quick infrared access point equipment scheme, the quick infrared access point equipment scheme is one of the most common station detection schemes in all the current whole car factories, and the quick infrared access point equipment is hoisted above the cars and is connected with a detection line industrial personal computer through a network. The fast infrared access point device communicates with the multifunctional diagnostic apparatus through infrared. The multifunctional diagnostic instrument is fixed on a steering wheel or is arranged beside a specified production line and is connected with a vehicle OBD connector through a self-contained OBD line. And through screen prompt, a confirmation button and a cancel button on the multifunctional diagnostic instrument are operated to detect the vehicle functions.
Use the hub station as an example, need the portable multi-functional diagnostic apparatus of operating personnel to wait for the vehicle, multi-functional diagnostic apparatus places on the vehicle steering wheel or below the front windshield during operation, and the operation flow is loaded down with trivial details inconvenient, collides with the vehicle easily or damages multi-functional diagnostic apparatus. After the vehicle is detected, an operator needs to place the multifunctional diagnostic instrument on a charging seat for charging, so that the production beat is reduced, and the repeated operation also increases the production working hours of the vehicle. The OBD wire is plugged and pulled for many times, the potential danger of irreversible damage to the OBD connector of the vehicle exists, each station at least needs two multifunctional diagnostic instruments and one rapid infrared access point device, about 35-40 thousands of cost is spent, and the cost is high.
In summary, the prior art has the following defects and shortcomings:
(1) in the production test process of vehicles in a host factory, electrical detection equipment, such as a multifunctional diagnostic instrument, is placed on a steering wheel of the vehicle or below a front windshield, so that the operation of an operator is inconvenient, and the risk of colliding with and damaging the vehicle and the multifunctional diagnostic instrument exists.
(2) The operation of all needing plug OBD connector at every station, the interface plug is frequent, not only is unfavorable for manual operation, has also greatly shortened the life of OBD interface simultaneously.
(3) Need the portable multi-functional diagnostic instrument of operating personnel to wait for the vehicle, place the multi-functional diagnostic instrument after the operation and charge at the charging seat, can cause the takt to reduce, the workflow is loaded down with trivial details, leads to man-hour longer.
(5) After the previous vehicle finishes the detection and rolls off the hub station, an operator needs to put the multifunctional diagnostic apparatus back to the charging base, and in order to ensure the production rhythm of the detection line equipment, the next vehicle to be detected needs to immediately drive into the hub station, so that each hub station needs to be provided with at least two multifunctional diagnostic apparatuses, and the investment cost is high.
Disclosure of Invention
The invention provides a vehicle detection system and a detection method, which do not need to adopt the existing rapid infrared access point equipment, thereby greatly reducing the cost.
The technical scheme is as follows:
the embodiment of the invention provides a vehicle detection system and a method, which comprises the following steps: the system comprises main equipment, slave equipment and a multifunctional diagnostic instrument, wherein the main equipment is hung above a vehicle, is connected with the multifunctional diagnostic instrument through an OBD connecting line and is in optical wireless communication with the slave equipment; the slave equipment is arranged on a windshield in the vehicle and is connected with the OBD of the vehicle through an OBD connecting line; the multifunctional diagnostic apparatus pass through the OBD connecting wire with the master equipment is connected, the multifunctional diagnostic apparatus sends and acquires the detection data instruction to will acquire the detection data instruction and loop through the OBD that master equipment and slave unit sent for the vehicle, OBD acquires the vehicle and detects data, and loops through the vehicle detection data slave unit and master unit offer the multifunctional diagnostic apparatus, whether the multifunctional diagnostic apparatus judges the vehicle and detects data and accord with the production requirement.
In a preferred embodiment of the present invention, the multifunctional diagnostic apparatus is fixed in a detection line equipment cabinet by a charging seat, and the charging seat provides a network interface for the multifunctional diagnostic apparatus.
In a preferred embodiment of the present invention, the master device faces the slave device, and the slave device is disposed in a radiation angle range of the light beam emitted by the master device, wherein the radiation angle range is an included angle between the light beam emitted by the master device and an optical axis of the light beam, and the included angle is between-27 degrees and +27 degrees.
In a preferred embodiment of the invention, the slave device is attached to the central portion of the windscreen in the vehicle.
In a preferred embodiment of the invention, the distance between the master device and the slave device is between 0.5m and 2.5 m.
In a preferred embodiment of the present invention, the master device is provided with a first indicator light and/or a second indicator light, the slave device is provided with a third indicator light and/or a fourth indicator light, the master device controls the first indicator light to be turned on when the master device determines that the optical connection with the slave device is successful, the master device further sends a connection success notification signal to the slave device, the slave device controls the third indicator light to be turned on, the slave device controls the fourth indicator light to be turned on when the OBD connection line of the slave device is successfully connected to the vehicle ODB, and the master device controls the second indicator light to be turned on.
In a preferred embodiment of the present invention, the vehicle detection system further includes a display, the multifunctional diagnostic apparatus is connected to the display through a display interface, and the display is fixed in front of the left side of the vehicle to display a display interface of the multifunctional diagnostic apparatus.
In a preferred embodiment of the present invention, the vehicle detection system further comprises a first vehicle button and a second vehicle button disposed on the vehicle, the multifunctional diagnostic device comprises a first vehicle button, a second vehicle button, a vehicle controller, a multifunctional diagnostic instrument and a data acquisition module, wherein the first vehicle button represents a vehicle detection button, the second vehicle button represents a detection cancel button, the first vehicle button and the second vehicle button are both connected with the vehicle controller, the multifunctional diagnostic instrument sends out a diagnostic instruction and sends the diagnostic instruction to the vehicle controller sequentially through a master device and a slave device, the vehicle controller is used for detecting the pressing and releasing state signals of the first vehicle button and the second vehicle button, the vehicle controller converts a physical signal corresponding to the state signal into a CAN diagnostic signal and then provides the CAN diagnostic signal to the multifunctional diagnostic instrument, the multifunctional diagnostic instrument acquires the state information corresponding to the diagnostic signal converted by the vehicle controller, and if the state information is that the first vehicle button is pressed, the multifunctional diagnostic.
The embodiment of the invention also provides a detection method of the vehicle detection system, which comprises the following steps: the multifunctional diagnostic instrument sends a detection data acquisition instruction, and the detection data acquisition instruction is sent to OBD of the vehicle sequentially through the main equipment and the slave equipment, wherein the main equipment is hoisted above the vehicle, is connected with the multifunctional diagnostic instrument through an OBD connecting line and is in optical wireless communication with the slave equipment; the multifunctional diagnostic instrument is arranged on a windshield in a vehicle and is connected with the OBD of the vehicle through an OBD connecting line, and the multifunctional diagnostic instrument is connected with the main equipment through the OBD connecting line; the OBD acquires vehicle detection data, and provides the vehicle detection data for the multifunctional diagnostic instrument through the slave equipment and the master equipment in sequence, and the multifunctional diagnostic instrument judges whether the vehicle detection data meet production requirements.
In a preferred embodiment of the present invention, the method further comprises: the multifunctional diagnostic instrument sends out a diagnostic instruction and sends the diagnostic instruction to the vehicle controller through the master device and the slave device in sequence, the vehicle controller detects pressing and releasing state signals of the first vehicle button and the second vehicle button, the vehicle controller converts physical signals corresponding to the state signals into CAN diagnostic signals and provides the CAN diagnostic signals to the multifunctional diagnostic instrument, the multifunctional diagnostic instrument obtains state information corresponding to the diagnostic signals converted by the vehicle controller, and if the state information is that the first vehicle button is pressed, the multifunctional diagnostic instrument sends out a detection data acquisition instruction.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the main equipment and the slave equipment are used for communicating with the multifunctional diagnostic instrument, the existing rapid infrared access point equipment is replaced, the rapid infrared access point equipment is prevented from falling from the air, the potential safety hazards are eliminated, the tedious installation process of the rapid infrared access point equipment is reduced, the installation design cost, the section bar cost and the installation labor cost are saved, wireless optical communication is adopted between the main equipment and the slave equipment, and a large number of equipment configuration debugging processes are reduced compared with the rapid infrared access point equipment;
in addition, the main equipment is hung above the vehicle, connected with the multifunctional diagnostic instrument through an OBD line and in optical wireless communication with the slave equipment, so that accurate communication is ensured;
in addition, still adsorb the slave unit in vehicle windshield top, be connected through the OBD connector of OBD line with the vehicle, can not influence operating personnel's normal operating space, the significantly reduced collides with, damage the risk of vehicle, and operating personnel only need be connected slave unit and vehicle OBD connector at first detection station, this station test need not extract the OBD line of slave unit after, the slave unit can be connected with the main equipment through the automatic meeting of optical wireless communication at next station, reduce the plug number of times of the OBD mouth of vehicle, reduce manual operation step, improve and detect the beat, reduce the risk of damaging the OBD connector.
In addition, an operator does not need to carry the multifunctional diagnostic instrument by hand to wait for the vehicle, the multifunctional diagnostic instrument is fixed in the cabinet of the detection line equipment by using a charging seat (constant temperature, constant humidity and dustless), and the charging seat can provide a network interface. Place multi-functional diagnostic instrument in detection line equipment rack, need not place in the vehicle, prevent the long-time work of equipment and arouse the problem that the temperature is too high through air conditioning system in the detection line equipment rack, reduce during the dust gets into multi-functional diagnostic instrument, increase multi-functional diagnostic instrument's service life, reduce the expense of follow-up maintenance and maintenance, still avoid multi-functional diagnostic instrument fish tail vehicle, prevent to collide with, reduce the risk of damage.
In addition, on the premise of ensuring the accuracy of detection results and the product quality, the investment cost is reduced, at least one multifunctional diagnostic instrument is reduced for each station compared with the prior art, and the equipment cost can be saved by about 30 thousands for each detection production line of a production base. The detection operation is simple and efficient, the working rhythm is reduced, the working hour of each station is shortened by about 10-20 s, the base capacity can be improved by about 2-5 million trolleys each year, the indirect annual yield increase value is about 12-28 million, and the indirect annual profit increase value is about 1.1-2.6 million.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a block diagram of a vehicle sensing system provided in a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the master and slave devices of FIG. 1 emitting respective light beams;
FIG. 3 is a schematic view of the installation location of the slave device of FIG. 1;
FIG. 4 is a block diagram of a vehicle sensing system provided in accordance with a second embodiment of the present invention;
FIG. 5 is a flow chart of a detection method of a vehicle detection system provided by a third embodiment of the present invention;
fig. 6 is a flowchart of a detection method of a vehicle detection system according to a fourth embodiment of the invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the vehicle detecting system and the detecting method according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
The foregoing and other technical and scientific aspects, features and advantages of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.
First embodiment
Fig. 1 is a block diagram of a vehicle detection system according to a first embodiment of the present invention. The vehicle detection system uses the master equipment and the slave equipment to communicate with the multifunctional diagnostic apparatus, replaces the existing rapid infrared access point equipment, and greatly reduces the cost. Referring to fig. 1, the vehicle detecting system of the present embodiment includes: a master device 10, a slave device 11 and a multifunction diagnostic apparatus 12.
The invention uses the main device 10 and the slave device 11 to communicate with the multifunctional diagnostic apparatus 12, replaces the existing rapid infrared access point device, and can replace the confirming and canceling function button of the multifunctional diagnostic apparatus through the vehicle button to detect the vehicle, thereby greatly reducing the cost.
Specifically, the master device, which is an optical master device, is suspended above the vehicle 10, connected to the multifunction diagnostic apparatus 12 through an OBD connection line, and performs optical wireless communication with the slave device 11.
The master device 10 can be powered by an external power source, can be safely assembled on a rack or an indoor ceiling, is suspended above a vehicle, is connected with the multifunctional diagnostic apparatus 12 through an OBD line, and performs optical wireless communication with the slave device 11, and the configuration of a master device interface Pin is shown in table 1.
Table 1 configuration table of main device interface Pin (Pin)
| Pin | Function(s) | Type of signal |
| 1 | +12V | Input device |
| 14 | +12V | Input device |
| 3 | GND | Input device |
| 16 | GND | Input device |
| 4 | K L.15 (ignition) | Output of |
| 15 | Kl.30 switch | Output of |
| 19 | CAN1-H | Bidirectional |
| 7 | CAN1-L | Bidirectional |
The slave device 11 is mounted on the windshield in the vehicle and is connected to the OBD of the vehicle by an OBD connection line.
Wherein the slave device, being an optical slave device, 11 is mounted on the windshield in the vehicle and is connected with the OBD of the vehicle in turn via an OBD line, an OBD connector of the vehicle, to establish communication with the vehicle. Preferably, the slave device 11 is powered by the OBD connector of the vehicle, the configuration of the slave device interface Pin being as shown in table 2.
Table 2 slave device interface Pin configuration table
Wherein the master device 10 and the slave device 11 are compatible with a standardized 16 pin diagnostic interface (e.g., a vehicle OBD connector), supporting a high speed CAN bus. The OBD connector of the vehicle supports all vehicles, which is used for communication transmission between the vehicle and the detection system. It should be noted that the master unit 10 must be mounted to the appropriate mounting by fully trained personnel.
Preferably, the master device 10 faces the slave device 11, and the slave device 11 is disposed within a radiation angle range of the master device 10 emitting the beam, the radiation angle range being an angle between-27 degrees and +27 degrees between the master device emitting the beam and an optical axis of the beam, as shown in fig. 2.
Preferably, during the actual installation in the vehicle, the slave device 11 is attracted to the central portion of the windshield in the vehicle, opposite to the master device 10, as shown in fig. 3.
Preferably, the distance between the master device 10 and the slave device 11 is approximately between 0.5m and 2.5m, with a recommended distance of approximately 1.5 m. The maximum communication angle and the maximum distance between the master device 10 and the slave device 11 may be reduced due to the special characteristics of the windshield of the vehicle and other external factors. If various types of vehicles are tested on the same test stand, the slave device 11 position/axis typically changes correspondingly to the master device 10. In order to function properly, the master device 10 needs to be adjusted within the necessary communication angle so that the signal source of the master device 10 remains on the slave device 11.
Preferably, the master device 10 may be provided with a first indicator light and/or a second indicator light, and the slave device 11 may be provided with a third indicator light and/or a fourth indicator light, when the master device 10 determines that the optical connection with the slave device is successful (for example, the master device 10 sends a connection signal to the slave device 11, the slave device 11 receives the connection signal and feeds back the connection success signal to the master device 10, and the master device 10 may determine that the connection is successful according to the fed-back connection success signal), the master device 10 may further send a connection success notification signal to the slave device 11, and the slave device 11 may control the third indicator light to be turned on, when the OBD connection line of the slave device 11 is successfully connected to the ODB connector of the vehicle, the slave device may control the fourth indicator light, for example, green L ED to be turned on, the slave device 11 may further send a notification signal that the connection with the vehicle is successful to the master device 10, and the master device 10 may control the second indicator light, for example, green L ED to be turned on.
In which optical communication is enabled when the optical connection between the master device 10 and the slave device 11 is successful, indicator lights, such as the yellow L ED, on both devices (master device 10 and slave device 11) are illuminated, and the transmission rate between the master device 10 and the slave device 11 is approximately 500kbit/s, and may be adjusted to other transmission rates.
The multifunctional diagnostic apparatus 12 is connected to the main device 11 through an OBD connection line, and preferably, the multifunctional diagnostic apparatus 12 is fixed in a detection line device cabinet 13 through a charging socket, and the charging socket can provide a network interface for the multifunctional diagnostic apparatus 12.
The multifunctional diagnostic apparatus 12 is an industrial personal computer, which can be placed in the inspection line equipment cabinet 13. The multifunctional diagnostic instrument 12 is installed at a station where the main device 10 needs to be used, and the multifunctional diagnostic instrument is installed according to the above mode, namely the multifunctional diagnostic instrument is connected with the main device 10 through an OBD line, the slave device 11 connected with a vehicle can be automatically connected with the main device 10, the main device 10 is in optical wireless communication with the slave device 11, the slave device 11 is connected with a vehicle OBD connector through an OBD communication cable, so that communication between the multifunctional diagnostic instrument 12 and the vehicle is established, in this way, the multifunctional diagnostic instrument 12 sends out a detection data acquisition instruction, the detection data acquisition instruction is sent to the OBD of the vehicle through the main device 10 and the slave device 11 in sequence, the OBD acquires vehicle detection data, the vehicle detection data is provided to the multifunctional diagnostic instrument 12 through the slave device 11 and the main device 10 in sequence, and the multifunctional diagnostic instrument 12 judges whether the vehicle detection data meets production requirements or not.
In which the vehicle uses a large number of electronic systems that can be checked and programmed by the detection system using a standard diagnostic interface. The diagnostic routine run in the detection system contains all the necessary vehicle information and methods for diagnostic purposes. The vehicle information is acquired, and the multifunctional diagnostic apparatus 12 can read and transmit data only when the vehicle is communicated with the multifunctional diagnostic apparatus 12, and whether the vehicle detection data meets the production requirements is judged. The invention can be used for vehicle electric detection stations such as four-wheel headlamp stations, driving auxiliary stations, hub rotating stations and the like.
In summary, according to the vehicle detection system provided by the embodiment of the present invention, the master device 10 and the slave device 11 are used to communicate with the multifunctional diagnostic apparatus 12, so as to replace the existing fast infrared access point device, thereby preventing the fast infrared access point device from falling from the air, eliminating such potential safety hazards, reducing the tedious installation process of the fast infrared access point device, saving the installation design cost, the profile cost and the installation labor cost, and reducing a large number of device configuration debugging processes compared with the fast infrared access point device by using wireless optical communication between the master device 10 and the slave device 11;
in addition, the main equipment is hung above the vehicle, connected with the multifunctional diagnostic instrument through an OBD line and in optical wireless communication with the slave equipment, so that accurate communication is ensured;
in addition, still adsorb the slave unit in vehicle windshield top, be connected through the OBD connector of OBD line with the vehicle, can not influence operating personnel's normal operating space, the significantly reduced collides with, damage the risk of vehicle, and operating personnel only need be connected slave unit and vehicle OBD connector at first detection station, this station test need not extract the OBD line of slave unit after, the slave unit can be connected with the main equipment through the automatic meeting of optical wireless communication at next station, reduce the plug number of times of the OBD mouth of vehicle, reduce manual operation step, improve and detect the beat, reduce the risk of damaging the OBD connector.
In addition, an operator does not need to carry the multifunctional diagnostic instrument by hand to wait for the vehicle, the multifunctional diagnostic instrument is fixed in the cabinet of the detection line equipment by using a charging seat (constant temperature, constant humidity and dustless), and the charging seat can provide a network interface. Place multi-functional diagnostic instrument in detection line equipment rack, need not place in the vehicle, prevent the long-time work of equipment and arouse the problem that the temperature is too high through air conditioning system in the detection line equipment rack, reduce during the dust gets into multi-functional diagnostic instrument, increase multi-functional diagnostic instrument's service life, reduce the expense of follow-up maintenance and maintenance, still avoid multi-functional diagnostic instrument fish tail vehicle, prevent to collide with, reduce the risk of damage.
In addition, on the premise of ensuring the accuracy of detection results and the product quality, the investment cost is reduced, at least one multifunctional diagnostic instrument is reduced for each station compared with the prior art, and the equipment cost can be saved by about 30 thousands for each detection production line of a production base. The detection operation is simple and efficient, the working rhythm is reduced, the working hour of each station is shortened by about 10-20 s, the base capacity can be improved by about 2-5 million trolleys each year, the indirect annual yield increase value is about 12-28 million, and the indirect annual profit increase value is about 1.1-2.6 million.
Second embodiment
Referring to fig. 4, fig. 4 is a structural diagram of a vehicle detecting system according to a second embodiment of the present invention, and the vehicle detecting system shown in fig. 4 is basically the same as the vehicle detecting system shown in fig. 1, except that the vehicle detecting system shown in fig. 4 further includes: a display 40. The vehicle detection system may further include a first vehicle button 41 and a second vehicle button 43 provided on the vehicle, the first vehicle button representing a vehicle detection button, and the second vehicle button representing a cancel detection button.
The multifunctional diagnostic apparatus 12 is connected with the display 40 through the display interface, the display 40 is fixed at the left front of the vehicle, and the display interface of the multifunctional diagnostic apparatus 12 is displayed, so that an operator can operate the first vehicle button and the second vehicle button according to the prompt of the display 40, and can display the detection data acquired by the multifunctional diagnostic apparatus 12.
Preferably, the present embodiment may also control the diagnostic program to perform the checking and canceling operations by the first vehicle button and the second vehicle button instead of the multifunction diagnostic 12.
The present embodiment may utilize existing buttons on the vehicle to control the confirm detect and cancel detect function buttons of the multifunction diagnostic 12. The first vehicle button and the second vehicle button may be any two buttons already on the vehicle, and both the first vehicle button and the second vehicle button are connected to a vehicle controller, for example: multimedia, body controls, and the like. The vehicle controller is connected with the OBD or the slave device, the multifunctional diagnostic instrument sends out a diagnostic instruction to be sent to the vehicle controller through the master device and the slave device in sequence, and the vehicle controller is used for detecting pressing and releasing state signals of the first vehicle button and the second vehicle button. The vehicle controller converts the physical signal corresponding to the status signal into a CAN diagnostic signal and provides the CAN diagnostic signal to the multifunction diagnostic apparatus 12. The multifunctional diagnostic apparatus 12 obtains the state information corresponding to the diagnostic signal converted by the vehicle controller, and if the state information is that the first vehicle button is pressed, the multifunctional diagnostic apparatus sends out a detection data obtaining instruction, so that the functions of confirming and cancelling actions of the multifunctional diagnostic apparatus controlled by the vehicle button are realized. Preferably, the detection is terminated when the state information is that the second vehicle button is pressed.
The first vehicle button and the second vehicle button can be any two keys on a steering wheel of the vehicle and can also be a steering rod.
For example, the confirmation button and the cancel button of the multifunction diagnostic device may be replaced with any two existing buttons on the steering wheel of the vehicle as the first vehicle button and the second vehicle button. The first and second vehicle buttons on the vehicle steering wheel are connected to a vehicle controller, for example: multimedia, body controls, and the like. The multifunctional diagnostic instrument sends a diagnostic instruction to the vehicle controller sequentially through the master device and the slave device, after the vehicle controller receives the instruction, the vehicle controller detects state signals (such as pressing and releasing states) of a first vehicle button and a second vehicle button of the vehicle steering wheel and feeds back the states of the first vehicle button and the second vehicle button of the vehicle steering wheel to the multifunctional diagnostic instrument, such as pressing of the first vehicle button representing confirmation detection and releasing of the second vehicle button representing cancellation, so that after the multifunctional diagnostic instrument knows the button states, the multifunctional diagnostic instrument can start to acquire detection data, sends a detection data acquisition instruction and sequentially obtains vehicle detection data through the master device and the slave device, and judges whether the vehicle detection data meet production requirements or not.
In addition, it is also possible to employ a steering lever (a steering lever that controls left and right steering lamps) as the first vehicle button and the second vehicle button to replace the confirmation button and the cancel button of the multifunction diagnostic instrument, respectively, to control the confirmation and cancel buttons of the multifunction diagnostic instrument through the steering lever. The multifunctional diagnostic instrument sends out a diagnostic instruction and sends the diagnostic instruction to the vehicle controller through the master equipment and the slave equipment in sequence, and after the vehicle controller receives the instruction, the vehicle controller obtains left steering state and right steering state and feeds back the steering state to the multifunctional diagnostic instrument. For example, the left steering lever indicating that the detection is confirmed is pressed down, so that the multifunctional diagnostic apparatus can start to acquire the detection data after knowing the state of the button, and then sends out a detection data acquisition instruction, and sequentially acquires the vehicle detection data through the master equipment and the slave equipment, and judges whether the vehicle detection data meets the production requirements.
In summary, the vehicle detection system provided in the embodiment of the present invention further performs a vehicle detection operation according to the prompt of the display, so that an operator can conveniently observe the screen for detection, and the operation actions of any two buttons on the vehicle are integrated into the vehicle controller. The vehicle controller can obtain the state signal of the button and feed the state signal back to the multifunctional diagnostic instrument, and the multifunctional diagnostic instrument performs operations such as obtaining vehicle detection data, so that the functions of confirming and cancelling actions of the multifunctional diagnostic instrument controlled by the vehicle button are realized, the operation is convenient, and the cost is further saved.
The following are embodiments of the method of the present invention, details of which are not described in detail in the method embodiments, and reference may be made to the corresponding apparatus embodiments described above.
Third embodiment
Fig. 5 is a flowchart of a detection method of a vehicle detection system according to a third embodiment of the invention. The detection method of the vehicle detection system provided by the embodiment may include the following steps 501-503:
And 503, the OBD acquires vehicle detection data, and provides the vehicle detection data to the multifunctional diagnostic apparatus sequentially through the slave equipment and the master equipment, and the multifunctional diagnostic apparatus judges whether the vehicle detection data meet the production requirements.
In summary, according to the detection method of the vehicle detection system provided by the embodiment of the present invention, the master device 10 and the slave device 11 are used to communicate with the multifunctional diagnostic apparatus 12, so as to replace the existing fast infrared access point device, thereby preventing the fast infrared access point device from falling from the air, eliminating such potential safety hazards, reducing the tedious installation process of the fast infrared access point device, saving the installation design cost, the profile cost and the installation labor cost, and reducing a large number of device configuration and debugging processes compared with the fast infrared access point device by using wireless optical communication between the master device 10 and the slave device 11;
in addition, the main equipment is hung above the vehicle, connected with the multifunctional diagnostic instrument through an OBD line and in optical wireless communication with the slave equipment, so that accurate communication is ensured;
in addition, still adsorb the slave unit in vehicle windshield top, be connected through the OBD connector of OBD line with the vehicle, can not influence operating personnel's normal operating space, the significantly reduced collides with, damage the risk of vehicle, and operating personnel only need be connected slave unit and vehicle OBD connector at first detection station, this station test need not extract the OBD line of slave unit after, the slave unit can be connected with the main equipment through the automatic meeting of optical wireless communication at next station, reduce the plug number of times of the OBD mouth of vehicle, reduce manual operation step, improve and detect the beat, reduce the risk of damaging the OBD connector.
In addition, an operator does not need to carry the multifunctional diagnostic instrument by hand to wait for the vehicle, the multifunctional diagnostic instrument is fixed in the cabinet of the detection line equipment by using a charging seat (constant temperature, constant humidity and dustless), and the charging seat can provide a network interface. Place multi-functional diagnostic instrument in detection line equipment rack, need not place in the vehicle, prevent the long-time work of equipment and arouse the problem that the temperature is too high through air conditioning system in the detection line equipment rack, reduce during the dust gets into multi-functional diagnostic instrument, increase multi-functional diagnostic instrument's service life, reduce the expense of follow-up maintenance and maintenance, still avoid multi-functional diagnostic instrument fish tail vehicle, prevent to collide with, reduce the risk of damage.
In addition, on the premise of ensuring the accuracy of detection results and the product quality, the investment cost is reduced, at least one multifunctional diagnostic instrument is reduced for each station compared with the prior art, and the equipment cost can be saved by about 30 thousands for each detection production line of a production base. The detection operation is simple and efficient, the working rhythm is reduced, the working hour of each station is shortened by about 10-20 s, the base capacity can be improved by about 2-5 million trolleys each year, the indirect annual yield increase value is about 12-28 million, and the indirect annual profit increase value is about 1.1-2.6 million.
Fourth embodiment
Referring to fig. 6, fig. 6 is a flowchart of a detection method of a vehicle detection system according to a fourth embodiment of the invention. Similar to the detection method of the vehicle detection system shown in fig. 5, the difference is that step 501 in fig. 6 may be preceded by: step 601.
Step 601, the multifunctional diagnostic apparatus sends out a diagnostic instruction to the vehicle controller sequentially through the master device and the slave device, the vehicle controller detects the pressing and releasing state signals of the first vehicle button and the second vehicle button, the vehicle controller converts the physical signals corresponding to the state signals into CAN diagnostic signals and provides the CAN diagnostic signals to the multifunctional diagnostic apparatus, the multifunctional diagnostic apparatus obtains the state information corresponding to the diagnostic signals converted by the vehicle controller, and if the state information is that the first vehicle button is pressed, the step 501 is carried out. Preferably, the detection is terminated when the state information is that the second vehicle button is pressed.
In summary, the detection method of the vehicle detection system provided by the embodiment of the invention further performs the vehicle detection operation according to the prompt of the display, so that the operator can conveniently observe the screen for detection, and the operation actions of any two buttons on the vehicle are integrated into the vehicle controller. The vehicle controller can obtain the state signal of the button and feed the state signal back to the multifunctional diagnostic instrument, and the multifunctional diagnostic instrument performs operations such as obtaining vehicle detection data, so that the functions of confirming and cancelling actions of the multifunctional diagnostic instrument controlled by the vehicle button are realized, the operation is convenient, and the cost is further saved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A vehicle detection system, comprising: the system comprises a master device, a slave device and a multifunctional diagnostic apparatus, wherein,
the main equipment is hung above the vehicle, is connected with the multifunctional diagnostic instrument through an OBD connecting line and is in optical wireless communication with the slave equipment;
the slave equipment is arranged on a windshield in the vehicle and is connected with the OBD of the vehicle through an OBD connecting line;
the multifunctional diagnostic apparatus pass through the OBD connecting wire with the master equipment is connected, the multifunctional diagnostic apparatus sends and acquires the detection data instruction to will acquire the detection data instruction and loop through the OBD that master equipment and slave unit sent for the vehicle, OBD acquires the vehicle and detects data, and loops through the vehicle detection data slave unit and master unit offer the multifunctional diagnostic apparatus, whether the multifunctional diagnostic apparatus judges the vehicle and detects data and accord with the production requirement.
2. The vehicle inspection system of claim 1, wherein the multifunction diagnostic meter is secured within an inspection line equipment cabinet by a charging cradle that provides a network interface for the multifunction diagnostic meter.
3. The vehicle detection system of claim 1, wherein the master device faces the slave device, the slave device being disposed within a range of angles of radiation of the master device emitted beam, the range of angles of radiation being between-27 degrees and +27 degrees between the master device emitted beam and an optical axis of the beam.
4. The vehicle detection system of claim 1, wherein the slave device is affixed to a mid-portion of a windshield within the vehicle.
5. The vehicle detection system of claim 1, wherein a distance between the master device and the slave device is between 0.5m and 2.5 m.
6. The vehicle detection system according to claim 1, wherein a first indicator light and/or a second indicator light is/are arranged on the master device, a third indicator light and/or a fourth indicator light is/are arranged on the slave device, when the master device judges that the optical connection between the master device and the slave device is successful, the master device controls the first indicator light to be turned on, the master device further sends a connection success notification signal to the slave device, the slave device controls the third indicator light to be turned on, when an OBD connecting line of the slave device is successfully connected to an ODB connector of the vehicle, the slave device controls the fourth indicator light to be turned on, and the master device controls the second indicator light to be turned on.
7. The vehicle detection system of claim 1, further comprising a display, wherein the multi-purpose diagnostic device is connected to the display via a display interface, and the display is fixed to the front left of the vehicle to display the display interface of the multi-purpose diagnostic device.
8. The vehicle detection system according to claim 1, further comprising a first vehicle button and a second vehicle button disposed on the vehicle, wherein the first vehicle button represents a vehicle detection button, the second vehicle button represents a cancel detection button, the first vehicle button and the second vehicle button are both connected to the vehicle controller, the multifunction diagnostic device issues a diagnostic command and sends the diagnostic command to the vehicle controller via the master device and the slave device in sequence, the vehicle controller is configured to detect a pressed state signal and a released state signal of the first vehicle button and the second vehicle button, the vehicle controller converts a physical signal corresponding to the state signal into a CAN diagnostic signal and provides the CAN diagnostic signal to the multifunction diagnostic device, the multifunction diagnostic device obtains state information corresponding to the diagnostic signal converted by the vehicle controller, and if the state information is that the first vehicle button is pressed, the multifunctional diagnostic apparatus issues an instruction to acquire the detection data.
9. A detection method of a vehicle detection system according to claim 1, characterized by comprising:
the multifunctional diagnostic instrument sends a detection data acquisition instruction, and the detection data acquisition instruction is sent to OBD of the vehicle sequentially through the main equipment and the slave equipment, wherein the main equipment is hoisted above the vehicle, is connected with the multifunctional diagnostic instrument through an OBD connecting line and is in optical wireless communication with the slave equipment; the multifunctional diagnostic instrument is arranged on a windshield in a vehicle and is connected with the OBD of the vehicle through an OBD connecting line, and the multifunctional diagnostic instrument is connected with the main equipment through the OBD connecting line;
the OBD acquires vehicle detection data, and provides the vehicle detection data for the multifunctional diagnostic instrument through the slave equipment and the master equipment in sequence, and the multifunctional diagnostic instrument judges whether the vehicle detection data meet production requirements.
10. The detection method of the vehicle detection system according to claim 9, characterized by further comprising:
the multifunctional diagnostic instrument sends out a diagnostic instruction and sends the diagnostic instruction to the vehicle controller through the master device and the slave device in sequence, the vehicle controller detects pressing and releasing state signals of the first vehicle button and the second vehicle button, the vehicle controller converts physical signals corresponding to the state signals into CAN diagnostic signals and provides the CAN diagnostic signals to the multifunctional diagnostic instrument, the multifunctional diagnostic instrument obtains state information corresponding to the diagnostic signals converted by the vehicle controller, and if the state information is that the first vehicle button is pressed, the multifunctional diagnostic instrument sends out a detection data acquisition instruction.
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|---|---|---|---|
| CN202010185097.3A CN111505407A (en) | 2020-03-17 | 2020-03-17 | Vehicle detection system and detection method |
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| CN202010185097.3A CN111505407A (en) | 2020-03-17 | 2020-03-17 | Vehicle detection system and detection method |
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| CN1779586A (en) * | 2004-11-25 | 2006-05-31 | 杜津宁 | Personnel diagnostic apparatus of vehicle |
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