CN213715720U

CN213715720U - Fault injection device for HIL test platform

Info

Publication number: CN213715720U
Application number: CN202022518049.XU
Authority: CN
Inventors: 周帅; 朱小明
Original assignee: Yanbian Guotai New Energy Vehicle Co ltd
Current assignee: Yanbian Guotai New Energy Vehicle Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-16
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a trouble injection device for HIL test platform, including trouble injection box, the trouble is provided with the function pipeline in the injection box, the one end and the output end pipe connection of function pipeline, the output end pipeline is connected with whole car simulation case, the other end of function pipeline is connected on binding post, binding post sets up on trouble injection box, binding post is connected with the input pipeline, the input pipeline is connected with the controller that awaits measuring, be connected with the intercommunication relay that is cut off by control panel control on binding post's the PIN foot, short earth relay and short circuit power relay, the control panel is connected with HIL test platform's human-computer interaction panel. The utility model provides a fault injection device, which is convenient to install and operate, and can be disassembled and assembled by simple plugging; the integrated HIL testing platform can be suitable for different VCUs to test, only different VUCs and different wiring terminals are required to be plugged, the limitation that the existing complete HIL testing platform can only test one VCU singly is overcome, and the utilization rate of equipment is improved.

Description

Fault injection device for HIL test platform

Technical Field

The utility model belongs to the technical field of the fault injection test, in particular to fault injection device for HIL test platform.

Background

In the process of developing and testing the whole vehicle controller, a hardware-in-loop simulation test becomes an indispensable link in the process of developing the whole vehicle controller, a hardware-in-loop simulation (HIL) test platform is widely applied in the aspects of development verification and test calibration of a control system, the HIL test platform believes that a fault is introduced into a tested system through a fault injection test means according to a fault model selected in advance, so that the occurrence of the fault and the failure of the tested system are accelerated, a qualitative or quantitative evaluation result is provided for an experimenter, a fault injection technology is taken as a flexible, convenient and effective means to play an important role in the verification of a fault tolerance mechanism, and fault injection methods generally adopted at home and abroad can be mainly classified into three categories including: the pin-level fault injection method based on hardware can accurately control parameters such as fault injection position, injection time and fault model, and can reproduce the fault injection process, so that the method is widely applied to verification of prototype systems.

Due to the reasons, the supplier can build HIL test platforms with different development requirements, and can match a fault injection system, and is certainly only suitable for testing of a VCU system, the paired development undoubtedly increases the economic burden of users, and simultaneously causes a waste of the existing resources.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the background art, the utility model provides a fault injection device for HIL test platform.

The technical scheme of the utility model as follows:

the utility model provides a trouble injection device for HIL test platform, includes trouble injection box, the trouble is provided with the function pipeline in the injection box, the one end and the output end pipe connection of function pipeline, the output end pipeline is worn out trouble injection box back and is connected with HIL test platform's whole car analog box, the other end of function pipeline is connected on binding post, binding post sets up on trouble injection box, binding post is connected with the input pipeline, the input pipeline is connected with the controller that awaits measuring, be connected with intercommunication relay, short earth relay and short circuit power relay on binding post's the PIN foot, intercommunication relay, short earth relay and short circuit power relay are connected on the control panel jointly, the control panel is connected with HIL test platform's human-computer interaction panel.

As the utility model discloses a preferred, the quantity of output pipeline is one, the one end of output pipeline is provided with the plug, the output pipeline passes through the plug and pegs graft with the corresponding jack on the whole car analog box.

As the utility model discloses a preferred, be provided with on the binding post a plurality ofly with function pipeline assorted wiring jack.

As the utility model discloses a preferred, the one end of input pipeline is provided with a plug of pegging graft with the controller that awaits measuring, the other end of input pipeline is provided with a plurality ofly and wiring jack assorted plug.

As an advantage of the utility model, binding post's quantity is one at least.

The utility model has the advantages as follows:

(1) the utility model provides a fault injection device for HIL test platform, installation convenient operation, simple plug can carry out the dismouting.

(2) The utility model provides a fault injection device for HIL test platform can be applicable to different VCUs and test, only needs to peg graft different VUCC and different binding post, has overcome the limitation that current complete set HIL test platform can only single test a VCU, has improved the utilization ratio in HIL test platform.

(3) The utility model provides a trouble injection device for HIL test platform owing to adopted the relay to carry out on-off control, need carry out the loaded down with trivial details process that frequent manual plug injected the trouble in having avoided current complete set HIL test platform, has improved work efficiency, has also avoided binding post's wearing and tearing simultaneously, has increased binding post's life.

Drawings

Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a logic control diagram of the present invention.

Wherein the reference numerals are: the device comprises a fault injection box 1, a functional pipeline 2, an output end pipeline 3, a whole vehicle simulation box 4, a wiring terminal 5, an input end pipeline 6 and a controller to be tested 7.

Detailed Description

In order to make the technical solutions and advantages of the present invention better understood by those skilled in the art, the following detailed description of the present invention is provided with reference to fig. 1-2, but not intended to limit the scope of the present invention.

A fault injection device for an HIL test platform comprises a fault injection box 1, a functional pipeline 2 is arranged in the fault injection box 1, one end of the functional pipeline 2 is connected with an output end pipeline 3, the output end pipeline 3 penetrates out of the fault injection box 1 and then is connected with a whole vehicle simulation box 4 of the HIL test platform, the other end of the functional pipeline 2 is connected with a wiring terminal 5, the wiring terminal 5 is arranged on the fault injection box 1, the connecting terminal 5 is connected with an input end pipeline 6, the input end pipeline 6 is connected with a controller to be tested 7, the PIN of the wiring terminal 5 is connected with a communication relay, a short-circuit ground relay and a short-circuit power supply relay, the communication relay, the short-circuit relay and the short-circuit power supply relay are connected to the control board together, and the control board is connected with a human-computer interaction panel of the HIL test platform.

The quantity of output pipeline 3 is one, the one end of output pipeline 3 is provided with the plug, output pipeline 3 passes through the plug and pegs graft with the corresponding jack on the whole car analog box 4.

And the wiring terminal 5 is provided with a plurality of wiring jacks matched with the functional pipelines 2.

One end of the input end pipeline 6 is provided with a plug which is connected with the controller 7 to be tested in an inserting mode, and the other end of the input end pipeline 6 is provided with a plurality of plugs which are matched with the wiring jacks.

The number of the connecting terminals 5 is at least one.

The utility model discloses a work engineering:

step S1: inserting a plug of an output end pipeline 3 into a finished automobile simulation box 4 of the HIL test platform;

step S2: inserting a plug at one end of an input end pipeline 6 into the controller 7 to be tested, and respectively inserting a plurality of plugs at the other end into different wiring jacks so as to realize different functions of the controller 7 to be tested;

step S3: and starting the HIL test platform, and controlling the on-off of a communication relay, a short-circuit relay and a short-circuit power supply relay on the PIN of each wiring terminal 5 on a man-machine interaction panel of the HIL test platform so as to realize the automatic injection of the fault into the controller 5 to be tested.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A fault injection device for an HIL test platform is characterized in that: including trouble injection case, the trouble is provided with the function pipeline in the injection case, the one end and the output end pipe connection of function pipeline, the output end pipeline is worn out behind the trouble injection case and is connected with HIL test platform's whole car simulation case, the other end of function pipeline is connected on binding post, binding post sets up on the trouble injection case, binding post is connected with the input pipeline, the input pipeline is connected with the controller that awaits measuring, be connected with intercommunication relay, short earth relay and short circuit power relay on binding post's the PIN foot, intercommunication relay, short earth relay and short circuit power relay are connected on the control panel jointly, the control panel is connected with HIL test platform's human-computer interaction panel.

2. The fault injection apparatus for an HIL test platform according to claim 1, wherein: the quantity of output pipeline is one, the one end of output pipeline is provided with the plug, the output pipeline passes through the plug and pegs graft with the corresponding jack on the whole car analog box.

3. The fault injection apparatus for an HIL test platform according to claim 1, wherein: and the wiring terminal is provided with a plurality of wiring jacks matched with the functional pipelines.

4. The fault injection apparatus for the HIL test platform of claim 3, wherein: one end of the input end pipeline is provided with a plug which is plugged with the controller to be tested, and the other end of the input end pipeline is provided with a plurality of plugs which are matched with the wiring jacks.

5. The fault injection apparatus for an HIL test platform according to claim 1, wherein: the number of the wiring terminals is at least one.