Chassis CAN bus communication and driver task terminal detector

Abstract

The utility model provides a chassis CAN bus communication and driver task terminal detector, which comprises a detector body, the detector body is provided with a power supply unit, the power supply unit comprises a programmable voltage-regulating power supply and a UPS power supply, the input end of the UPS power supply is connected with commercial power, and the output end of the UPS power supply is connected with the input end of the programmable voltage-regulating power supply through a PDU socket; the main control unit comprises an industrial personal computer, the industrial personal computer is provided with a CAN communication card, and the industrial personal computer is in communication connection with a chassis CAN bus of the vehicle to be detected and a driver task terminal CAN bus through the CAN communication card so as to detect the chassis bus of the vehicle to be detected and the driver task terminal at the same time. According to the utility model, the UPS power supply is arranged, so that chassis CAN bus communication and a driver task terminal detector are convenient to carry out transition test in a workshop; by arranging the main control unit, the chassis bus and the driver task terminal can be detected at the same time, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile application electronic technology, concretely relates to a chassis CAN bus communication and driver task terminal detector. BACKGROUND

[0002] Chassis CAN bus communication and driver task terminal detection are mainly used for detecting the function and performance of the driver task terminal equipped in the vehicle, satisfy chassis original place driving detection and driver task terminal device maintenance and detection demand based on CAN bus, aim at improving the comprehensive detection and maintenance capability of chassis CAN bus communication and driver task terminal, and guarantee the use safety of equipment.

[0003] At present, the chassis CAN bus communication and driver task terminal detector is matched with a PC computer by detection personnel, and detection is carried out through the USBCAN-II box of Zhiyuan Electronics, and the existing defects are:

[0004] On the one hand, the existing CAN bus communication and driver task terminal detector cannot be tested in the workshop.

[0005] On the other hand, only the original data of the chassis CAN bus can be captured, and the data cannot be effectively analyzed and processed; for driver task terminal detection, each display parameter cannot be tested offline, and only on-board testing can be carried out, and the chassis bus and the driver task terminal cannot be detected simultaneously.

[0006] Therefore, it is very important to research a chassis CAN bus communication and driver task terminal detector with high detection efficiency and convenient workshop transfer testing. CONTENT OF THE UTILITY MODEL

[0007] In order to solve the above technical problems, the utility model provides a chassis CAN bus communication and driver task terminal detector, characterized in that the chassis CAN bus communication and driver task terminal detector comprises a detector body, and the detector body is provided with:

[0008] A power supply unit comprising a programmable voltage regulating power supply and a UPS power supply, wherein the input end of the UPS power supply is connected to the mains, and the output end of the UPS power supply is connected to the input end of the programmable voltage regulating power supply through a PDU socket;

[0009] A main control unit comprising an industrial computer, wherein the industrial computer is configured with a CAN communication card, and the industrial computer is connected to the chassis CAN bus and the driver task terminal CAN bus of a vehicle to be tested through the CAN communication card, so as to simultaneously detect the chassis bus and the driver task terminal of the vehicle to be tested.

[0010] Further, the industrial computer is connected with the programmable voltage regulating power supply through an RS232 communication interface to regulate the DC voltage output value of the programmable voltage regulating power supply.

[0011] Further, the DC voltage output value of the programmable voltage regulating power supply ranges from DC 18V to DC 32V.

[0012] Further, the input end of the UPS power supply is provided with a leakage protection air switch.

[0013] Further, the CPU model of the industrial computer is Intel Core i7-2600U.

[0014] Further, the CAN communication card has a double-way CAN bus communication interface, and the double-way CAN bus communication interface is respectively connected with the chassis CAN bus and the driver task terminal CAN bus.

[0015] Further, the detector body further comprises a shell, and the bottom of the shell is provided with movable rollers.

[0016] Further, the main control unit further comprises a touch screen display and a keyboard exposed to the shell, and the industrial computer is electrically connected with the touch screen display and the keyboard respectively.

[0017] Further, the detector body is further provided with a printer.

[0018] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0019] The UPS power supply is arranged, so that the chassis CAN bus communication and the driver task terminal detector can be conveniently tested in the workshop; the main control unit is arranged, so that the chassis bus and the driver task terminal can be simultaneously detected, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 The system principle diagram of the embodiment of the utility model is disclosed;

[0021] Fig. 2 The overall structure schematic view of the embodiment of the utility model is disclosed.

[0022] In the drawing:

[0023] 001, driver task terminal CAN bus; 002, chassis CAN bus;

[0024] 100, detector body;

[0025] 110, shell; 111, roller; 112, touch screen display and keyboard; 113, printer;

[0026] 121, leakage protection air switch; 122, UPS power supply; 123, PDU socket; 124, programmable voltage regulating power supply;

[0027] 130, industrial computer. DETAILED DESCRIPTION

[0028] In order to make the technical scheme and technical effects of the utility model clearer, the technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0029] Please refer to Figs. 1-2 The utility model aims at providing a chassis CAN bus communication and driver task terminal detector, which is a cabinet type and movable operation detector. Mainly includes detector body 100, the detector body 100 includes the shell 110, the bottom of shell 110 is provided with movable gyro wheel 111. The detector body 100 is built-in power supply unit, main control unit and printer 113. Among them, printer 113 can print detection data, record data, analysis result, report form etc.

[0030] Firstly, the power supply unit disclosed in the embodiment is described.

[0031] The power supply unit includes programmable voltage regulating power supply 124 and UPS power supply 122.

[0032] The input end of UPS power supply 122 is connected with commercial power, and the output end of UPS power supply 122 is connected with the input end of programmable voltage regulating power supply 124 through PDU socket 123.

[0033] The range of direct current voltage output value of programmable voltage regulating power supply 124 is DC18V-DC32V, which meets the power supply adaptability detection of driver task terminal.

[0034] The input end of UPS power supply 122 is provided with leakage protection air switch 121.

[0035] UPS power supply 122 can provide continuous power output for main control unit and test unit in the case of sudden power failure of power grid, guaranteeing the automatic saving and safe shutdown function of data, and facilitating the workshop transfer test of detector.

[0036] Then, the main control unit disclosed in the embodiment is described.

[0037] The main control unit comprises an industrial computer 130, which is configured with a CAN communication card, and is in communication connection with the chassis CAN bus 002 and the driver task terminal CAN bus 001 of the vehicle to be tested through the CAN communication card, so as to simultaneously detect the chassis bus and the driver task terminal of the vehicle to be tested.

[0038] The industrial computer 130 is connected with the programmable voltage regulating power supply 124 through an RS232 communication interface, and is used to adjust and control the direct current voltage output value of the programmable voltage regulating power supply 124.

[0039] In a further scheme of the embodiment, the industrial computer 130 adopts a COM Express Type 10 standard interface core board, and the CPU model thereof is Intel Core i7-2600U.

[0040] The main control unit further comprises a touch screen display and a keyboard 112 exposed to the shell 110, and the industrial computer 130 is electrically connected with the touch screen display and the keyboard 112, so that the human-computer interaction of the industrial computer 130 is realized through the touch screen display and the keyboard 112.

[0041] In a further scheme of the embodiment, the CAN communication card has a double-way CAN bus communication interface, which is in communication connection with the chassis CAN bus 002 and the driver task terminal CAN bus 001 respectively.

[0042] The CAN communication card can be selected as a Yichuan industrial-grade PCI interface PCI-9820I type CAN card, and the CAN baud rate range thereof is 5Kbps-1Mbps.

[0043] The main control unit realizes the communication capability, power supply adaptability and parameter detection of the driver task terminal CAN bus 001 to be tested under the cooperation of the power supply unit and the detection cable, and simultaneously realizes the real-time monitoring and analysis of the chassis CAN bus 002.

[0044] The detection instrument provided in the embodiment is further configured with data processing software and detection instrument software, which are designed in a layered architecture and are both deployed in the industrial computer 130.

[0045] The data processing software is used to collect and process the CAN bus and RS232 data, and the detection instrument software is used to complete the data processing analysis and user operation. The data processing software and the detection instrument software are interactively processed through Socket communication. Since the data processing software and the detection instrument software are conventional technical means in the field, they will not be described herein.

[0046] Finally, the system design principle of the embodiment is described.

[0047] When the test is started in situ, the industrial computer 130 obtains chassis CAN bus 002 data through the CAN bus interface, analyzes and displays the collected data according to the CAN bus protocol, and completes the detection of the CAN bus communication and display capability of the driver task terminal in situ by comparing the display information of the driver task terminal of the actual vehicle.

[0048] When the maintenance detection is performed, the industrial computer 130 connects the driver task terminal CAN bus 001 interface through the CAN bus interface, simulates the sending of the chassis CAN bus interface equipment CAN bus simulation data to the driver task terminal, and completes the detection of the CAN bus communication and display capability of the driver task terminal in situ by comparing the display information of the driver task terminal of the actual vehicle.

[0049] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A chassis CAN bus communication and driver task terminal detector, characterized in that, The detection instrument body (100) is provided with: A power supply unit including a programmable voltage regulator (124) and a UPS power supply (122), the input end of the UPS power supply (122) is connected to the mains, and the output end of the UPS power supply (122) is connected to the input end of the programmable voltage regulator (124) through a PDU socket (123); A main control unit including an industrial computer (130), the industrial computer (130) is configured with a CAN communication card, and the industrial computer (130) is connected to the chassis CAN bus (002) and the driver task terminal CAN bus (001) of the vehicle to be tested through the CAN communication card to detect the chassis bus and the driver task terminal of the vehicle to be tested at the same time.

2. The chassis CAN bus communication and driver task terminal detector according to claim 1, characterized in that, The industrial computer (130) is connected to the programmable voltage regulator (124) through an RS232 communication interface to adjust the DC voltage output value of the programmable voltage regulator (124).

3. The chassis CAN bus communication and driver task terminal detection device according to claim 1 or 2, characterized in that, The range of the DC voltage output value of the programmable voltage regulator (124) is DC18V-DC32V.

4. The chassis CAN bus communication and driver task terminal detector according to claim 1, characterized in that, The input end of the UPS power supply (122) is provided with a leakage protection air switch (121).

5. The chassis CAN bus communication and driver task terminal detection instrument of claim 1, wherein, The CPU model of the industrial computer (130) is Intel Core i7-2600U.

6. The chassis CAN bus communication and driver task terminal detection instrument according to claim 1 or 5, characterized in that, The CAN communication card has a double-channel CAN bus communication interface, and the double-channel CAN bus communication interface is connected to the chassis CAN bus (002) and the driver task terminal CAN bus (001) respectively.

7. The chassis CAN bus communication and driver task terminal detection instrument of claim 1, wherein, The detection instrument body (100) further includes a shell (110), and the bottom of the shell (110) is provided with movable rollers (111).

8. The chassis CAN bus communication and driver task terminal detector according to claim 7, characterized in that, The main control unit further includes a touch screen display and a keyboard (112) exposed to the shell (110), and the industrial computer (130) is electrically connected to the touch screen display and the keyboard (112).

9. The chassis CAN bus communication and driver task terminal detection meter of claim 7, wherein, The detection instrument body (100) is further provided with a printer (113).

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