Chassis CAN bus communication detector and vehicle thereof

Abstract

The utility model provides a chassis CAN bus communication detector and a vehicle thereof, and the detector comprises a vehicle-mounted host which is detachably connected with a to-be-detected vehicle, and the vehicle-mounted host is in communication interaction connection with a chassis CAN bus of the to-be-detected vehicle through a CAN bus interface; the portable computer is provided with data analysis software, and the vehicle-mounted host is in communication interaction connection with the portable computer through a network interface or a WIFI interface. The vehicle-mounted host adopts the embedded core processing module, is installed in a magnetic attraction mode, and has the advantages of being low in power consumption, small in size and convenient to install. Meanwhile, the vehicle-mounted host supports lithium battery power supply, so that the use portability is improved; in addition, the core processing module filled with data acquisition software can acquire various CAN data, network data and Beidou data, so that the use condition of the chassis can be monitored in all directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile application electronic technology, specifically relates to a chassis CAN bus communication detector and vehicle thereof. BACKGROUND

[0002] With the electronic control system of vehicle more and more complex, wherein chassis CAN bus as the key communication network connecting each electronic control unit, plays a vital role. Chassis CAN bus detection system is mainly used to detect and record the chassis CAN bus data of vehicle, so as to meet the maintenance and guarantee detection demand of such vehicle chassis.

[0003] At present, vehicle chassis CAN bus detection can only be carried out by commercial CAN box to grab bus data, judge whether the bus is normal, but the data of each device mounted on the bus cannot be stored, analyzed and real-time displayed. In addition, the existing chassis CAN bus detector has high power consumption, large volume and cannot be used in portable mode. UTILITY MODEL CONTENTS

[0004] The first aspect of the utility model, in order to solve the above technical problem, provides a chassis CAN bus communication detector, comprising:

[0005] Vehicle host computer detachably connected with the vehicle to be measured, the vehicle host computer is connected with the chassis CAN bus communication of the vehicle to be measured through CAN bus interface;

[0006] Portable computer with data analysis software, the vehicle host computer is connected with the portable computer through network interface or WIFI interface.

[0007] Further, the vehicle host computer and the vehicle to be measured are fixed by magnetic attraction.

[0008] Further, the vehicle host computer can support lithium battery power supply.

[0009] Further, the vehicle host computer is further provided with power interface and BD / GPS interface, wherein:

[0010] The vehicle host computer is connected with DC stabilized power supply or power adapter through the power interface;

[0011] The vehicle host computer is connected with Beidou / GPS antenna through the BD / GPS interface.

[0012] Further, the vehicle host computer further includes core processing module, power module and state indicating module, wherein:

[0013] The core processing module is connected with the chassis CAN bus communication through the CAN bus interface;

[0014] The core processing module is connected with the portable computer through the network interface or WIFI interface.

[0015] The core processing module is connected with the BD / GPS interface through the UART serial port.

[0016] The core processing module is connected with the power module through the I2C bus and displays the state of the lithium battery through the state indicating module.

[0017] Further, the core processing module is an embedded industrial control wireless core board with an i.MX6ULL processor as the core.

[0018] Further, the core processing module is filled with data acquisition software, and the data acquisition software is an embedded application program generated by a cross-compilation tool based on an embedded C language.

[0019] Further, the portable computer includes a tablet computer and a protective shell, the tablet computer is disposed with the data analysis software, and the tablet computer is built in the protective shell.

[0020] The second aspect of the utility model provides a vehicle, including car body and chassis, the chassis is provided with the chassis CAN bus communication detection instrument.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] The vehicle-mounted host adopts the embedded core processing module and is installed in a magnetic attraction mode, has the advantages of low power consumption, small size and convenient installation, supports lithium battery power supply and improves the portability, and the core processing module can collect various CAN data, network data and Beidou data and realize omnibearing monitoring of the chassis use. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The overall system schematic diagram disclosed by the utility model embodiment is disclosed.

[0024] Figure 2 The system schematic diagram of the vehicle-mounted host disclosed by the utility model embodiment is disclosed.

[0025] Figure 3 The composition diagram of the vehicle-mounted host disclosed by the utility model embodiment is disclosed.

[0026] Figure 4 The composition diagram of the portable computer disclosed by the utility model embodiment is disclosed.

[0027] In the drawings:

[0028] 000, chassis CAN bus;

[0029] 100, vehicle-mounted host; 110, power adapter; 120, lithium battery; 130, power module; 140, core processing module; 150, state indication module; 160, BD / GPS interface;

[0030] 200, portable computer. DETAILED DESCRIPTION

[0031] In order to make the technical scheme and technical effects of the utility model clearer, the technical scheme in the utility model embodiment will be described clearly and completely 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.

[0032] Please refer to Figure 1 The utility model aims at providing a chassis CAN bus communication detector, which mainly comprises a vehicle-mounted host 100 and a portable computer 200. The vehicle-mounted host 100 communicates and transmits data with the vehicle to be tested through a double-redundancy CAN bus; the portable computer 200 exchanges and transmits data with the vehicle-mounted host 100 through Wi-Fi / wired network, acquires chassis bus data through the portable computer 200, processes the chassis CAN bus data, and completes the detection task.

[0033] Firstly, the vehicle-mounted host 100 disclosed in the embodiment is described.

[0034] The vehicle-mounted host 100 is connected with the chassis CAN bus 000 of the vehicle to be tested through CAN bus interface.

[0035] The vehicle-mounted host 100 is detachably connected with the vehicle to be tested. Preferably, the vehicle-mounted host 100 is fixedly installed with the vehicle to be tested through magnetic attraction.

[0036] Please refer to Figures 2-3 The vehicle-mounted host 100 comprises a power interface, a power adapter 110, a lithium battery 120, a power module 130, a core processing module 140, a state indication module 150 and a BD / GPS interface 160.

[0037] Among them:

[0038] The power adapter 110 realizes AC / DC conversion of external AC 220V input. When the power input is connected, the AC / DC conversion of the power adapter 110 provides power supply and lithium battery charging power for the vehicle-mounted host 100.

[0039] The state indicating module 150 is composed of a power supply lamp, a power level lamp, a state lamp and a charging lamp, the state lamp is composed of a double-color LED lamp, and is used for indicating the working state of the vehicle-mounted host 100.

[0040] The vehicle-mounted host 100 can support the lithium battery 120 power supply.

[0041] The vehicle-mounted host 100 is connected with a direct-current stabilized power supply or a power supply adapter through a power supply interface.

[0042] The vehicle-mounted host 100 is connected with a Beidou / GPS antenna through a BD / GPS interface 160.

[0043] The core processing module 140 is connected with a chassis CAN bus 000 through a CAN bus interface.

[0044] The core processing module 140 is connected with a portable computer 200 through a network interface or a WIFI interface, and is used for real-time transmission of collected CAN bus data.

[0045] The core processing module 140 is connected with the BD / GPS interface 160 through a UART serial port, acquires time information and position information of a passive BD / GPS, and stores the information.

[0046] The core processing module 140 is connected with the power supply module 130 through an I2C bus, and displays the state of the lithium battery 120 through the state indicating module 150.

[0047] In a further scheme of the embodiment, the core processing module 140 is an embedded industrial control wireless core board with an i.MX6ULL processor as a core.

[0048] In a specific embodiment, the core processing module 140 has 7-way UART, 1-way analog I2C bus, 1-way 12-bit ADC, supports two-channel sampling, 2-way 10 / 100M Ethernet interface, 1-way SD card circuit, 1-way left-right sound channel analog audio interface, 2-way USB Host interface (1-way is shared with 1-way USB Device and 1-way USB OTG), and 1-way USB Device interface.

[0049] The skilled in the art further explains that the core processing module 140 is filled with data acquisition software, and the data acquisition software is an embedded application program generated by a cross-compilation tool based on an embedded C language.

[0050] The data acquisition software includes a data acquisition unit, a data storage unit, a data transmission unit, a configuration management unit and a state indicating module, which are common technical means in the art, and will not be described here.

[0051] Next, the portable computer 200 disclosed in the embodiment is described.

[0052] The vehicle-mounted host 100 is connected with the portable computer 200 through a network interface or a WIFI interface.

[0053] The portable computer 200 comprises a tablet computer, a tablet computer power adapter and a protective shell, wherein the tablet computer is built in the protective shell.

[0054] The tablet computer is deployed with data analysis software, the front end of the data analysis software adopts a Vue framework, and the back end adopts a Spring Boot framework, which is a conventional technical means in the field, and will not be described here.

[0055] The utility model also protects a kind of vehicle, and the vehicle includes vehicle body and chassis, and the chassis is provided with the chassis CAN bus communication detector above.

[0056] 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 detector, characterized in that, The application relates to a vehicle CAN bus communication detector. The vehicle CAN bus communication detector comprises: a vehicle-mounted host (100) detachably connected with a vehicle to be tested, wherein the vehicle-mounted host (100) is connected with a chassis CAN bus (000) of the vehicle to be tested through a CAN bus interface; 2. The chassis CAN bus communication detector according to claim 1, characterized in that, a portable computer (200) provided with data analysis software, wherein the vehicle-mounted host (100) is connected with the portable computer (200) through a network interface or a WIFI interface.

3. The chassis CAN bus communication detector according to claim 1, characterized in that, The vehicle-mounted host (100) is fixed to the vehicle to be tested through magnetic attraction.

4. The chassis CAN bus communication detector according to claim 3, characterized in that, The vehicle-mounted host (100) can be powered by a lithium battery (120). The vehicle-mounted host (100) is further provided with a power interface and a BD / GPS interface (160), wherein: the vehicle-mounted host (100) is connected with a direct-current stabilized power supply or a power adapter through the power interface; 5. The chassis CAN bus communication detector according to claim 4, characterized in that, the vehicle-mounted host (100) is connected with a Beidou / GPS antenna through the BD / GPS interface (160). The vehicle-mounted host (100) further comprises a core processing module (140), a power module (130) and a state indicating module (150), wherein: the core processing module (140) is connected with the chassis CAN bus (000) through the CAN bus interface; the core processing module (140) is connected with the portable computer (200) through the network interface or the WIFI interface; the core processing module (140) is connected with the BD / GPS interface (160) through a UART serial port; 6. The chassis CAN bus communication detector according to claim 5, characterized in that, the core processing module (140) is connected with the power module (130) through an I2C bus and displays the state of the lithium battery (120) through the state indicating module (150).

7. The chassis CAN bus communication detector according to claim 5, characterized in that, The core processing module (140) is an embedded industrial control wireless core board taking an i.MX6ULL processor as a core.

8. The chassis CAN bus communication detector of claim 1, wherein, The core processing module (140) is filled with data acquisition software, and the data acquisition software is an embedded application program generated by a cross-compilation tool based on an embedded C language.

9. A vehicle comprising a body and a chassis, characterised in that, The portable computer (200) comprises a tablet computer provided with the data analysis software and a protective shell, and the tablet computer is built in the protective shell. The chassis is provided with the chassis CAN bus communication detector according to any one of claims 1-8.

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