CN212811760U - Testing device based on entertainment system application layer protocol - Google Patents
Testing device based on entertainment system application layer protocol Download PDFInfo
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- CN212811760U CN212811760U CN202021661243.7U CN202021661243U CN212811760U CN 212811760 U CN212811760 U CN 212811760U CN 202021661243 U CN202021661243 U CN 202021661243U CN 212811760 U CN212811760 U CN 212811760U
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Abstract
The utility model provides a testing arrangement based on entertainment system application layer agreement for the examination of the examination entertainment system that awaits measuring to the vehicle tests, including CAN bus test equipment, diagnosis interface, entertainment system installation interface, communication bus and power supply unit. The CAN bus test equipment comprises a USB interface and a bus communication interface and is suitable for transmitting the application layer protocol simulation message of the entertainment system. The diagnostic interface is adapted to interface with an external diagnostic signal reading device and receive entertainment system configuration information from the diagnostic signal reading device. The CAN bus test equipment, the entertainment system installation interface and the diagnosis interface are connected with each other through a communication bus. The entertainment system mounting interface is adapted to interface with an interface of an entertainment system to be tested. The power supply device is electrically connected with the entertainment system installation interface and supplies power to the entertainment system installation interface. The testing device is small and portable, can perform entertainment system application layer protocol message simulation test on the entertainment system host without a huge whole vehicle testing bench, and is fast and efficient.
Description
Technical Field
Embodiments of the present invention generally relate to the field of vehicle production testing technology, and more particularly, to a testing device based on entertainment system application layer protocols.
Background
The entertainment system application layer protocol is an application layer protocol which is built aiming at a German vehicle type entertainment system and is based on a Controller Area Network (CAN) bus. With the increasing demand of users for entertainment systems, the adoption of the application layer protocol scheme of the entertainment system becomes an effective solution for the communication between the host and other controllers of the entertainment system. The communication of the entertainment system application layer protocol is realized by the interaction of a logic Controller, and the logic Controller mainly comprises a Response Controller (Response Controller) and a Function Controller (Function Controller): the response controller is used for displaying the transmitted signal and sending a response controller message; and the function controller is used for sending out a function control signal and sending a function controller message.
For entertainment systems that employ an entertainment system application layer protocol scheme, it is necessary to continually test and verify functionality before the entertainment system host product is delivered to the user. At the present stage, no test equipment and test scheme specially aiming at the application layer protocol of the entertainment system exist, and the test equipment aiming at the entertainment system function test based on the CAN bus cannot simulate all controller messages so as to realize the full-function test of the entertainment system; the rack built by the actual controller is very large, a complete finished automobile test rack is very complex and needs to occupy a large amount of space, the configuration of different automobile controllers is different, and the maximum configuration scheme easily causes the missending of controller messages which are not configured.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, the utility model discloses an embodiment provides a testing arrangement based on entertainment system application layer agreement, a serial communication port, testing arrangement is used for testing the await measuring entertainment system of vehicle, testing arrangement includes controller local area network bus test equipment, diagnosis interface, entertainment system installation interface, communication bus and power supply unit. The controller area network bus test equipment comprises a universal serial bus interface and a bus communication interface, wherein the universal serial bus interface is suitable for communicating with an external computer through a universal serial bus, the universal serial bus is suitable for transmitting entertainment system application layer protocol simulation messages, the bus communication interface is respectively connected with the universal serial bus interface and the communication bus in a communication mode, and the bus communication interface is suitable for transmitting the entertainment system application layer protocol simulation messages. The diagnostic interface is adapted to interface with an external diagnostic signal reading device and receive entertainment system configuration information from the diagnostic signal reading device. The controller area network bus test equipment, the entertainment system installation interface and the diagnosis interface are all connected with each other through the communication bus, and the communication bus is suitable for transmitting the entertainment system application layer protocol simulation message and the entertainment system configuration information. The entertainment system installation interface is suitable for being in butt joint with an interface of the entertainment system to be tested and is suitable for transmitting the configuration information of the entertainment system and the application layer protocol simulation message of the entertainment system. And the power supply device is electrically connected to and supplies power to the entertainment system mounting interface.
In some embodiments, the entertainment system under test comprises an entertainment system host, the entertainment system mounting interface of the testing device comprises an entertainment system host mounting interface adapted to interface with an interface of the entertainment system host.
In some embodiments, the entertainment system application layer protocol emulation messages include entertainment system host emulation messages, the entertainment system configuration information includes entertainment system host configuration information, and the entertainment system host installation interface is adapted to transmit the entertainment system host configuration information and the entertainment system host emulation messages.
In some embodiments, the testing device further comprises a speaker electrically connected to the entertainment system host mounting interface.
In some embodiments, the entertainment system under test comprises a meter controller, the entertainment system mounting interface of the testing device comprises a meter controller mounting interface adapted to interface with an interface of the meter controller.
In some embodiments, the entertainment system application layer protocol simulation message comprises a meter controller simulation message, the entertainment system configuration information comprises meter controller configuration information, and the meter controller installation interface is adapted to transmit the meter controller configuration information and the meter controller simulation message.
In some embodiments, the entertainment system under test comprises an air conditioner controller, and the entertainment system mounting interface of the testing device comprises an air conditioner controller mounting interface adapted to interface with an interface of the air conditioner controller.
In some embodiments, the entertainment system application layer protocol emulation messages include air conditioner controller emulation messages, the entertainment system configuration information includes air conditioner controller configuration information, and the air conditioner controller installation interface is adapted to transmit the air conditioner controller configuration information and the air conditioner controller emulation messages.
In some embodiments, the communication bus comprises twisted pair wires.
The utility model discloses an embodiment provides a testing arrangement based on entertainment system application layer agreement simple structure, small and exquisite portable, convenient operation, can directly realize the test to vehicle entertainment system through this testing arrangement, and is swift high-efficient. The problem that the current entertainment system full-function test faces can be solved, the entertainment system application layer protocol message simulation test of the entertainment system host can be carried out without a huge whole vehicle test bench, and the occupied space is reduced. The host configurations of different vehicle types are different, and the configuration information can be written into the entertainment system before the test by the test device, so that the false sending of controller messages is reduced, and the test efficiency is improved.
The utility model discloses an embodiment provides a testing arrangement based on entertainment system application layer agreement can just discover the functional design problem that entertainment system host computer exists in the development stage, and then shortens the development cycle of entertainment system host computer effectively, also provides more time for the optimization of product simultaneously. In addition, for the test problems encountered in the production field, the device can carry the entertainment system application layer protocol test device to quickly confirm the communication problems of the controller, and further confirm the reasons of the problems.
Drawings
The above and other objects, features and advantages of embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
FIG. 1 illustrates a schematic connection diagram of an entertainment System application layer protocol based testing device according to an embodiment of the present invention;
FIG. 2 shows a schematic connection diagram of a testing device based on entertainment System application layer protocol according to another embodiment of the present invention;
fig. 3 is a schematic external view of a testing apparatus based on an entertainment system application layer protocol according to an embodiment of the present invention.
In the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It should be understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and thereby implement the present invention, and are not intended to limit the scope of the invention in any way.
In one aspect, embodiments of the present invention provide a testing device based on an entertainment system application layer protocol, the testing device being used for testing an entertainment system to be tested of a vehicle.
Referring to fig. 1, a connection diagram of a testing device 100 based on an entertainment system application layer protocol according to an embodiment of the present invention is shown. As shown in fig. 1, the test apparatus 100 includes a Controller Area Network (CAN) bus test device 101, a diagnostic interface 102, an entertainment system installation interface, a communication bus 103, and a power supply device 104.
The CAN bus test apparatus 101 includes a Universal Serial Bus (USB) interface 1011 and a bus communication interface 1012. The USB interface 1011 is adapted to communicate with an external computer 1101 (shown as a PC) via a Universal Serial Bus (USB) adapted to transport entertainment system application layer protocol emulation messages. Bus communication interface 1012 is communicatively coupled to USB interface 1011 and communication bus 103, respectively, and is adapted to transmit entertainment system application layer protocol emulation messages. More specifically, the CAN bus test apparatus 101 receives an entertainment system application layer protocol emulation message from the external computer 1101 through the USB interface 1011, and transmits the entertainment system application layer protocol emulation message to the entertainment system to be tested through the communication bus 103 connected to the bus communication interface 1012. The diagnostic interface 102 is adapted to interface with an external diagnostic signal reading device 1102 and receive entertainment system configuration information from the diagnostic signal reading device 1102. The CAN bus test device 101, the entertainment system installation interface and the diagnostic interface 102 are all interconnected by a communication bus 103, the communication bus 103 being adapted to transmit entertainment system application layer protocol emulation messages and entertainment system configuration information. The entertainment system installation interface is suitable for being in butt joint with an interface of an entertainment system to be tested, and the entertainment system installation interface is suitable for transmitting entertainment system configuration information and an entertainment system application layer protocol simulation message. The power supply device 104 is electrically connected to and supplies power to the entertainment system mounting interface. The power supply 104 is connected to a power source and ground.
As an embodiment of the present invention, the communication bus 103 may include a twisted pair line, and more specifically, may be a CAN bus. By way of example only, the CAN bus test device may comprise Vector 1630A, the diagnostic signal reading device may comprise a German VAS 5054, and the power supply device may comprise a MEAnwell NES-75-1212V DC power supply. As an example, the diagnostic interface may be a standard OBD (On Board Diagnostics) interface.
As an application scenario of an embodiment of the present invention, the external computer 1101 may have a test simulation function and a diagnosis function. The test simulation function can send simulation messages based on an entertainment system application layer protocol, and the diagnosis function can send entertainment system configuration information to the test device through the diagnosis signal reading equipment. For example, simulation test software and diagnosis software based on an entertainment system application layer protocol may be respectively run on an external computer to implement a test simulation function and a diagnosis function.
The utility model discloses an embodiment provides a testing arrangement based on entertainment system application layer agreement simple structure, small and exquisite portable, convenient operation, can directly realize the test to vehicle entertainment system through this testing arrangement, and is swift high-efficient. The problem that the current entertainment system full-function test faces can be solved, the entertainment system application layer protocol message simulation test of the entertainment system host can be carried out without a huge whole vehicle test bench, and the occupied space is reduced. The host configurations of different vehicle types are different, and the configuration information can be written into the entertainment system before the test by the test device, so that the false sending of controller messages is reduced, and the test efficiency is improved.
The utility model discloses an embodiment provides a testing arrangement based on entertainment system application layer agreement can just discover the functional design problem that entertainment system host computer exists in the development stage, and then shortens the development cycle of entertainment system host computer effectively, also provides more time for the optimization of product simultaneously. In addition, for the test problems encountered in the production field, the device can carry the entertainment system application layer protocol test device to quickly confirm the communication problems of the controller, and further confirm the reasons of the problems.
As an embodiment of the present invention, the entertainment system to be tested comprises entertainment system host 1103, the entertainment system mounting interface of the testing device comprises entertainment system host mounting interface 105, and entertainment system host mounting interface 105 is adapted to interface with interface 1104 of entertainment system host 1103. As shown in FIG. 1, by way of example, interface 1104 of entertainment system host 1103 may include ports to interface with the following lines, respectively: the system comprises a CAN high line (ICAN _ H), a CAN low line (ICAN _ L), a power line (KL30), a ground line (KL31), a right rear door horn positive line (RR +), a right rear door horn negative line (RR-), a right front door horn positive line (FR +), a right front door horn negative line (FR-), a left front door horn positive line (FL +), a left front door horn negative line (FL-), a left rear door horn positive line (RL +), and a left rear door horn negative line (RL-).
In the above embodiment, the entertainment system application layer protocol emulation message comprises an entertainment system host emulation message, and the entertainment system configuration information comprises entertainment system host configuration information. The entertainment system host installation interface 105 is adapted to transmit entertainment system host configuration information and entertainment system host emulation messages.
As an embodiment of the present invention, the testing device 100 further includes a speaker 106, and the speaker 106 is electrically connected to the entertainment system host installation interface. By way of example, the connector shown in fig. 1 as a speaker 106 is integrated into the entertainment system host mounting interface 105. As another example, the speakers 106 may also be connected directly to corresponding ports of the entertainment system host's interface 1104.
Referring next to fig. 2, a schematic connection diagram of a testing device 200 based on an entertainment system application layer protocol according to another embodiment of the present invention is shown. The test apparatus 200 includes a controller area network, CAN, bus test device 201, a diagnostic interface 202, an entertainment system installation interface, a communication bus 203, and a power supply device 204. The CAN bus test apparatus 201 includes a USB interface 2011 and a bus communication interface 2012. The diagnostic interface 202 is adapted to interface with an external diagnostic signal reading device 2102. The CAN bus test device 201, the entertainment system installation interface and the diagnostic interface 202 are all interconnected by a communication bus 203. The power supply device 104 is electrically connected to and supplies power to the entertainment system mounting interface. The entertainment system under test comprises an entertainment system host 2103, the entertainment system mounting interface of the testing device comprises an entertainment system host mounting interface 205, the entertainment system host mounting interface 205 is adapted to interface with an interface 2104 of the entertainment system host 2103. The components with the same reference numbers as those in the embodiment shown in fig. 1 are connected in the same manner and structure as the corresponding components in fig. 1, and are not described again.
One difference between the testing apparatus of this embodiment and the embodiment of fig. 1 is that the entertainment system to be tested includes a meter controller 2105, the entertainment system mounting interface of the testing apparatus includes a meter controller mounting interface 207, and the meter controller mounting interface 207 is adapted to interface with the meter controller 2105. In this embodiment, the entertainment system application layer protocol simulation message comprises a meter controller simulation message, the entertainment system configuration information comprises meter controller configuration information, and the meter controller installation interface is adapted to transmit the meter controller configuration information and the meter controller simulation message.
Another difference between the testing apparatus of this embodiment and the embodiment of fig. 1 is that the entertainment system to be tested includes an air conditioner controller 2107, the entertainment system mounting interface of the testing apparatus 200 includes an air conditioner controller mounting interface 208, and the air conditioner controller mounting interface 208 is adapted to interface with the air conditioner controller 2107. In this embodiment, the entertainment system application layer protocol emulation messages include air conditioner controller emulation messages, the entertainment system configuration information includes air conditioner controller configuration information, and the air conditioner controller installation interface is adapted to transmit the air conditioner controller configuration information and the air conditioner controller emulation messages.
The testing device 200 based on the entertainment system application layer protocol according to the embodiment can be accessed to a relevant controller to test the communication function of the controller, and the controller can be tested without a huge whole vehicle testing bench, so that the occupied space is reduced. The configuration of the controllers of different vehicle types is different, and the configuration information can be written into the relevant controllers before testing by the testing device, so that the error sending of controller messages is reduced, and the testing efficiency is improved.
Referring to fig. 3, an external view diagram of a testing apparatus based on an entertainment system application layer protocol according to an embodiment of the present invention is shown. As shown in fig. 3, the externally visible portion of the test device includes: a diagnostic interface 302, an entertainment system host mount interface 305, an instrument controller mount interface 307, an air conditioner controller mount interface 308, and a test device power switch 310. In use, the diagnostic interface 302 interfaces with an external diagnostic signal reading device 1102, the entertainment system host mounting interface 305 interfaces with an entertainment system host interface, the meter controller interfaces with the meter controller mounting interface 307, and the climate controller interfaces with the climate controller mounting interface 308.
The following describes a method for using the testing device based on the entertainment system application layer protocol according to an embodiment of the present invention.
Firstly, according to the test requirement, an experimental environment is established, including the butt joint of a diagnosis interface and external diagnosis signal reading equipment, the butt joint of a USB interface and an external computer and the like.
After the experimental environment is built, the configuration information of the entertainment system host is written in through the diagnosis interface.
After the configuration information written into the entertainment system host is completed, whether the entertainment system application layer protocol message simulation test is carried out or not is judged, if the entertainment system application layer protocol message simulation test is carried out, the entertainment system application layer protocol message simulation test is carried out according to a test case, namely, the CAN bus test equipment receives the simulation message of the entertainment system application layer protocol through the USB interface and transmits the simulation message to the entertainment system host through a communication bus connected with the bus communication interface, and therefore the functions of the entertainment system host are tested. And after the test is finished, issuing a test report.
If the entertainment system application layer protocol message simulation test is not carried out, whether the controller communication function test is carried out or not is judged, if the controller communication function test is carried out, the relevant controller is accessed, the instrument controller is accessed into the instrument controller installation interface, and the air conditioner controller is accessed into the air conditioner controller installation interface. At the moment, the instrument controller with the application layer protocol message simulation function of the PC-end entertainment system and the message simulation port of the air conditioner controller are closed, so that bus collision between the simulation message and the message sent by the actual controller is avoided. The configuration information of the relevant controller is written in through the diagnosis interface, the communication function test of the controller is carried out according to the test case, namely, the CAN bus test equipment receives the simulation message based on the entertainment system application layer protocol through the USB interface and transmits the simulation message to the relevant controller through the communication bus, and therefore the function of the relevant controller is tested. And after the test is finished, issuing a test report.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or to limit the invention to the precise forms disclosed. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A testing device based on an entertainment system application layer protocol is characterized in that the testing device is used for testing an entertainment system to be tested of a vehicle and comprises controller area network bus testing equipment, a diagnosis interface, an entertainment system installation interface, a communication bus and power supply equipment, wherein,
the controller area network bus test equipment comprises a universal serial bus interface and a bus communication interface, wherein the universal serial bus interface is suitable for communicating with an external computer through a universal serial bus, the universal serial bus is suitable for transmitting entertainment system application layer protocol simulation messages, the bus communication interface is respectively connected with the universal serial bus interface and the communication bus in a communication mode, and the bus communication interface is suitable for transmitting the entertainment system application layer protocol simulation messages;
the diagnostic interface is adapted to interface with an external diagnostic signal reading device and receive entertainment system configuration information from the diagnostic signal reading device;
the controller area network bus test equipment, the entertainment system installation interface and the diagnosis interface are all connected with each other through the communication bus, and the communication bus is suitable for transmitting the entertainment system application layer protocol simulation message and the entertainment system configuration information;
the entertainment system installation interface is suitable for being in butt joint with an interface of the entertainment system to be tested and is suitable for transmitting the configuration information of the entertainment system and the application layer protocol simulation message of the entertainment system; and is
The power supply device is electrically connected with the entertainment system mounting interface and supplies power to the entertainment system mounting interface.
2. The entertainment system application layer protocol based testing device of claim 1, wherein the entertainment system under test comprises an entertainment system host, the entertainment system mounting interface of the testing device comprising an entertainment system host mounting interface, the entertainment system host mounting interface adapted to interface with an interface of the entertainment system host.
3. The entertainment system application layer protocol based test device of claim 2 wherein the entertainment system application layer protocol emulation messages comprise entertainment system host emulation messages, the entertainment system configuration information comprises entertainment system host configuration information, and the entertainment system host installation interface is adapted to transmit the entertainment system host configuration information and the entertainment system host emulation messages.
4. The entertainment system application layer protocol-based testing device of claim 2, further comprising a speaker electrically connected to the entertainment system host mount interface.
5. The entertainment system application layer protocol based testing device of claim 1, wherein the entertainment system under test comprises a meter controller, the entertainment system mounting interface of the testing device comprises a meter controller mounting interface, the meter controller mounting interface adapted to interface with an interface of the meter controller.
6. The entertainment system application layer protocol based test device of claim 5 wherein the entertainment system application layer protocol emulation messages comprise meter controller emulation messages, the entertainment system configuration information comprises meter controller configuration information, and the meter controller mounting interface is adapted to transmit the meter controller configuration information and the meter controller emulation messages.
7. The entertainment system application layer protocol based testing device of claim 1, wherein the entertainment system under test comprises an air conditioner controller, the entertainment system mounting interface of the testing device comprises an air conditioner controller mounting interface, the air conditioner controller mounting interface adapted to interface with an interface of the air conditioner controller.
8. The entertainment system application layer protocol based test device of claim 7 wherein the entertainment system application layer protocol emulation messages comprise air conditioner controller emulation messages, the entertainment system configuration information comprises air conditioner controller configuration information, and the air conditioner controller installation interface is adapted to transmit the air conditioner controller configuration information and the air conditioner controller emulation messages.
9. The entertainment system application layer protocol-based testing device of claim 1, wherein the communication bus comprises a twisted pair wire.
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| CN202021661243.7U CN212811760U (en) | 2020-08-11 | 2020-08-11 | Testing device based on entertainment system application layer protocol |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415643A (en) * | 2022-01-31 | 2022-04-29 | 重庆长安汽车股份有限公司 | Vehicle machine system abnormity diagnosis method and system |
| CN114518710A (en) * | 2022-02-27 | 2022-05-20 | 重庆长安汽车股份有限公司 | Method for testing vehicle-mounted entertainment terminal air conditioner application based on CAN signal |
| CN115022219A (en) * | 2022-05-19 | 2022-09-06 | 宁波波导易联电子有限公司 | Vehicle machine system testing method and system based on CAN network protocol |
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2020
- 2020-08-11 CN CN202021661243.7U patent/CN212811760U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415643A (en) * | 2022-01-31 | 2022-04-29 | 重庆长安汽车股份有限公司 | Vehicle machine system abnormity diagnosis method and system |
| CN114518710A (en) * | 2022-02-27 | 2022-05-20 | 重庆长安汽车股份有限公司 | Method for testing vehicle-mounted entertainment terminal air conditioner application based on CAN signal |
| CN115022219A (en) * | 2022-05-19 | 2022-09-06 | 宁波波导易联电子有限公司 | Vehicle machine system testing method and system based on CAN network protocol |
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