CN217718499U - Control board test system in car key based on CANoe - Google Patents

Abstract

The utility model relates to a accuse board test system in car key based on CANoe, accuse board module, VT module, CANoe module and trigger module in the key, accuse board module is connected with CANoe module and VT module respectively in the key, the VT module is arranged in to the key accuse board module power supply and collect the current information of accuse board module signal reception circuit in the key, the VT module is connected the CANoe module, trigger module triggers accuse board module in the key based on its and the key distance or the spatial position of accuse board module. The test system provided by the utility model can automatically test the automobile key central control board, has faster test speed and shortens the test period compared with the prior art; secondly, this test system is based on the CANoe module, can carry out the receiving and dispatching of test message automatically to data comparison carries out automatically, compares in prior art, and this system possesses higher test accuracy.

Description

Control board test system in car key based on CANoe

Technical Field

The utility model relates to an automobile parts tests technical field, specifically is a accuse board test system in car key based on CANoe.

Background

Because the function of car is more and more, and electronic control unit's quantity also greatly increased, at the development in-process of new motorcycle type, need test automobile body electrical function, current solution is to setting up different stands to different motorcycle types usually and tests, leads to the cost too much, and inefficiency brings operating pressure for test and research and development department, needs the automatic test system to car electronic control unit urgently. At present, automatic detection systems are also provided for control modules of automobiles by various manufacturers, and for example, the invention patent with the publication number of CN109388125A discloses an automatic detection system and a method for faults of automobile instruments; the utility model patent with publication number CN204143253U discloses an engine start test system based on CANoe can real-time detection engine electronic control unit's communication situation through CANoe, need not communication situation detection on the real car, and then can improve engine electronic control unit's the design efficiency of the anti voltage fluctuation impact. However, at present, there is a shortage of automatic testing systems for car key center control boards, and there is a need to develop an automatic testing system for car key center control boards to automatically detect the working status of car key center control boards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car key central control board test system based on CANoe, on one hand can carry out automatic detection to key central control board module operating condition, detect whether key central control board and trigger module can trigger within the predetermined distance; on the other hand, when the key is triggered through detection, the current of a signal receiving circuit in the key central control board judges whether the current meets the design requirements.

In order to achieve the above object, the utility model provides a following technical scheme: a control board test system in car key based on CANoe, control board module, VT module, CANoe module and trigger module in the key, control board module is connected with CANoe module and VT module respectively in the key, the VT module is used for controlling board module power supply and collecting the current information of control board module signal receiving circuit in the key, the VT module is connected the CANoe module, trigger module triggers based on its and the distance or the spatial position of control board module in the key.

Preferably, the key center control board module and the triggering module are triggered through Bluetooth communication or antenna communication.

As a preferred scheme, the key center control board module and the trigger module are communicated through antennas, the trigger module is provided with a plurality of antennas, and the key center control board module sets the working state through sensing the number of the antennas.

As a preferred scheme, the key central control panel module is at least provided with a standby mode and a working mode, and the current value standards of the standby mode and the working mode are different.

Preferably, the operating modes of the key center control board module at least include a driving mode and a factory mode which are set to different current value standards.

Preferably, the test system further comprises EtherCAT, and the VT module is connected to the CANoe module through the EtherCAT.

As the preferred scheme, the key center control board module is connected with the CANoe module through a CAN bus.

As a preferred scheme, the CANoe module is provided with a script input module.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the test system provided by the utility model can automatically test the automobile key central control panel, and compared with the prior art, the test system has faster test speed and shortens the test period; secondly, the testing system is based on the CANoe module, can automatically receive and send the testing messages and automatically compare data, and compared with the prior art, the system has higher testing accuracy.

Drawings

Fig. 1 is an overall block diagram of a test system for a central control panel of an automobile key based on a CANoe according to the present invention;

fig. 2 is a schematic diagram of the VT module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-2, the embodiment discloses a car key center control board test system based on a CANoe, the CANoe is a bus development environment proposed by Vector corporation in germany, which is called CAN open environment, is mainly designed for the development of car bus, and is car network development software integrating simulation, recording and testing of lumped wires, and the integrated test environment provides support for the construction and automatic test process of the test system, and includes: network communication and high-level protocol simulation, test process recording, test script generation, test panel development, test mode and function library integration and the like. The CANoe also provides a test panel design function, so that the test process can be visually controlled through the panel, and the output result of the controlled unit can be checked. The test system provided by the embodiment comprises a key center control board module, a VT module, a CANoe module and a trigger module, wherein the key center control board module is respectively connected with the CANoe module and the VT module, and the VT module is connected with the CANoe module. Fig. 2 shows a schematic diagram of a VT module, which is a VT hardware system of a Vector, and provides an abundant and selectable I/O board card for simulating DUT input signals and detecting output thereof by using a modular design, and has a current collection interface and a control interface of a power supply. Compared with other test equipment, the on-board fault diagnosis and test system is highly integrated, the on-board signal conditioning module can cover the requirements of the automobile industry on signal simulation and acquisition, and part of board cards have an on-board fault injection function, so that the diagnosis and test requirements are met; the CANoe module is seamlessly integrated, and can completely cover the requirements of network test, such as an interaction layer, network management, a diagnostic protocol and the like. The key central control board module is powered through the VT module, meanwhile, the VT module can collect current information of a signal receiving circuit of the key central control board module, the current information is sent to the CANoe module connected with the VT module to form a detection message, the CANoe module sends the detection message to an upper computer, and the upper computer analyzes the detection message.

Specifically, the key central control board module is provided with a power supply pin, a CAN bus pin and a signal transmission pin, when the key central control board module is in a non-detection state, the power supply pin is powered by a battery in the key, and the CAN bus pin is idle; when the CAN bus is used in detection, a power supply pin of the CAN bus is powered by a VT module, and the CAN bus pin is used for connecting a CAN bus of a whole vehicle, so that the CAN bus pin is idle after detection is finished and packaging is finished; the signal transmission pin is used for being connected with the signal receiving circuit and communicating with the trigger module, and in the embodiment, the CANoe module is connected with the CAN bus through the VN1630 to realize the transmission of CAN communication data.

The triggering distance can be set by injecting parameters into the key center control board module. The operation mode of the key central control panel module comprises a standby mode and an operation mode, the operation mode further comprises a driving mode and a factory mode, different modes have different current value standards, it can be understood that the operation mode of the key central control panel module can also set other modes according to needs, and the operation mode can also set other modes according to needs. The VT module is connected with the key central control board module, and the VT module supplies power to the key central control board module on one hand and can collect current information of the key central control board module signal receiving circuit on the other hand.

The key central control board module and the trigger module are in communication connection, can be in communication through Bluetooth or an antenna, and can be in distance setting through Bluetooth communication, when the distance between the key central control board module and the trigger module is larger than a preset distance, the current in the signal receiving circuit of the key central control board is not changed, and when the distance between the key central control board module and the trigger module is smaller than the preset distance, the current in the signal receiving circuit of the key central control board is changed; and through antenna communication, trigger module can be provided with a plurality of antenna, and key center control board module sets for operating condition through the antenna of the different quantity of response, like according to the antenna quantity that senses and then drive corresponding module operation.

Further, the test system provided in this embodiment further includes EtherCAT (ethernet for controlling automation technology), the VT module connects the CANoe module through EtherCAT, the current information of the control panel module in the key is detected and collected through the VT module and then transmitted to the CANoe module to form a detection message, and further, the CANoe module is further provided with a script input module for writing a script according to the working mode of the control panel module in the key.

Through the utility model provides a accuse board test system in car key based on CANoe can detect whether the current value of accuse board module under each state such as standby mode, mode accords with the settlement parameter in the key, can also detect simultaneously and predetermine the distance in, whether accuse board module normally works in the key.

For ease of understanding, the test flow of the present invention is described as follows: firstly, script writing is carried out through a script input module in a CANoe module according to the running mode of a key central control board module to be tested, the CANoe module is run through an upper computer, an automatic test command is executed and sent to the key central control board module, the key central control board module generates corresponding current fluctuation under a preset distance through communication with a trigger module, the current value is collected through a VT module and sent to the CANoe module to form a detection message, the CANoe module sends the detection message to the upper computer, the upper computer carries out data analysis and comparison on the detection message, and therefore whether the current value of the key central control board module accords with set parameters or not is judged, on the other hand, whether the trigger module triggers or not can be detected within the preset distance.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a accuse board test system in car key based on CANoe, its characterized in that, includes accuse board module, VT module, CANoe module and trigger module in the key, accuse board module is connected with CANoe module and VT module respectively in the key, VT module is used for controlling the power supply of board module and collecting the current information of accuse board module signal receiving circuit in the key, VT module connection the CANoe module, trigger module triggers based on its distance or the spatial position with accuse board module in the key.

2. The CANoe-based automobile key center control board test system according to claim 1, wherein the key center control board module and the trigger module are triggered through Bluetooth communication or antenna communication.

3. The CANoe-based automobile key center control board test system according to claim 2, wherein the key center control board module and the trigger module communicate with each other through an antenna, the trigger module is provided with a plurality of antennas, and the key center control board module sets the working state through sensing the number of the antennas.

4. The CANoe-based automobile key center control board testing system as claimed in claim 1, wherein the key center control board module is at least provided with a standby mode and an operating mode, and the current value standards of the standby mode and the operating mode are different.

5. The CANoe-based automobile key center control board testing system according to claim 4, wherein the operation modes of the key center control board module at least comprise a driving mode and a factory mode which are set to different current value standards.

6. The CANoe-based automobile key center control board test system according to claim 1, wherein the test system further comprises EtherCAT, and the VT module is connected with the CANoe module through EtherCAT.

7. The CANoe-based automobile key center control board test system according to claim 1, wherein the key center control board module is connected with the CANoe module through a CAN bus.

8. A CANoe-based automobile key console test system according to claim 1, wherein the CANoe module is provided with a script input module.

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