Fault simulation injection control device

Abstract

The utility model discloses a fault simulation injection control device, which comprises a shell, a switch, a vehicle signal access end and a fault signal access end. The switch is connected to the shell and comprises a common terminal, a first-gear terminal and a second-gear terminal. The common connection end is connected to the housing, and the common connection end is connected with the common terminal in the housing. A vehicle signal access end is connected to the shell, and the vehicle signal access end is connected with the first gear terminal in the shell. And a fault signal access end is connected to the shell, and the fault signal access end is connected with the two-gear terminal in the shell. The fault simulation injection control device adopts a passive design, and is simple in structure, convenient to operate and high in efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of fault simulation injection control, in particular to a control device for injecting faults into a vehicle controller during function testing and experimentation. Background Art

[0002] In the testing of automobile controllers, the functional safety of the controller is crucial, and testing and experimentation are important standards for verifying whether the functions of automobile controllers are correct, and are key factors related to user safety. Therefore, before the vehicle is launched on the market, strict functional testing is required to verify the function through fault injection testing methods to prevent functional failure in the hands of customers, leading to serious consequences. At present, the fault injection equipment on the market has a complex structure, an active design, a relatively simple function, and complex operation. It cannot restore the vehicle signal as soon as possible when an error occurs. It is large in size, has limited application scenarios, and is limited in operating equipment during outdoor vehicle driving. Utility Model Content

[0003] The utility model aims to provide a fault simulation injection control device which adopts a passive design, has a simple structure, is highly portable, is easy to operate and has high efficiency.

[0004] In order to achieve the above-mentioned purpose, the fault simulation injection control device of the utility model includes a shell, which also includes: a switch, connected to the shell, including a common terminal, a first-gear terminal and a second-gear terminal; a common connection terminal, connected to the shell, and the common connection terminal is connected to the common terminal in the shell; a vehicle signal access terminal, connected to the shell, and the vehicle signal access terminal is connected to the first-gear terminal in the shell; and a fault signal access terminal, connected to the shell, and the fault signal access terminal is connected to the second-gear terminal in the shell.

[0005] In one implementation of the above-mentioned fault simulation injection control device, an overcurrent protection component is further included, and the common connection end is connected to the common terminal through the overcurrent protection component.

[0006] In one implementation of the above-mentioned fault simulation injection control device, the vehicle signal access terminal is connected to the vehicle original signal.

[0007] In one implementation of the above-mentioned fault simulation injection control device, the fault signal access terminal is connected to the fault signal to be injected.

[0008] In one implementation of the above-mentioned fault simulation injection control device, the common connection end is connected to a vehicle controller of a function to be tested.

[0009] In one implementation of the above-mentioned fault simulation injection control device, the common connection end includes a first common connection end and a second common connection end respectively connected to two ends of the housing.

[0010] In one implementation of the above-mentioned fault simulation injection control device, the vehicle signal access terminal includes a first vehicle signal access terminal and a second vehicle signal access terminal respectively connected to two ends of the housing.

[0011] In one implementation of the above-mentioned fault simulation injection control device, the fault signal access terminal includes a first fault signal access terminal and a second fault signal access terminal respectively connected to two ends of the housing.

[0012] In one embodiment of the above-mentioned fault simulation injection control device, the shell includes a main body and a cover, and the cover is connected to the main body.

[0013] In one implementation of the above-mentioned fault simulation injection control device, the switch is a rocker bipolar switch.

[0014] The beneficial effect of the utility model is that the utility model realizes the precise control of fault injection in the vehicle controller test and can realize rapid switching between the normal state and the fault injection state.

[0015] The utility model is suitable for the fault injection control of various controllers of automobiles, and is composed of two-way fault injection control circuits, and can realize the synchronous injection of dual-way faults.

[0016] The utility model has over-current protection and can be automatically disconnected in case of operation error.

[0017] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, but is not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic front view of an embodiment of a fault simulation injection control device of the utility model;

[0019] Figure 2 A schematic front view of an embodiment of the fault simulation injection control device of the utility model (showing the interior of the housing);

[0020] Figure 3 This is a circuit schematic diagram of the fault simulation injection control device of the utility model.

[0021] Among them, the reference numerals

[0022] 100: Shell

[0023] 200: Switch

[0024] 210: Common terminal

[0025] 220: One-position terminal

[0026] 230: Second position terminal

[0027] 300: Public connection port

[0028] 310: First public connection terminal

[0029] 320: Second public connection terminal

[0030] 400: Vehicle signal access terminal

[0031] 410: First vehicle signal access terminal

[0032] 420: Second vehicle signal access terminal

[0033] 500: Fault signal access terminal

[0034] 510: First fault signal access terminal

[0035] 520: Second fault signal access terminal

[0036] 600: Overcurrent protection DETAILED DESCRIPTION

[0037] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments to further understand the purpose, solution and effect of the utility model, but it is not intended to limit the scope of protection of the claims attached to the utility model.

[0038] References to "an embodiment", "another embodiment", "this embodiment", etc. in the specification refer to the embodiment being described which may include specific features, structures or characteristics, but not every embodiment must include these specific features, structures or characteristics. In addition, such expressions do not refer to the same embodiment. Furthermore, when describing specific features, structures or characteristics in conjunction with an embodiment, whether or not there is an explicit description, it is indicated that incorporating such features, structures or characteristics into other embodiments is within the knowledge of those skilled in the art.

[0039] Certain words are used in the specification and subsequent claims to refer to specific components or parts. It should be understood by those of ordinary skill in the art that technical users or manufacturers may refer to the same component or part by different nouns or terms. This specification and subsequent claims do not use differences in names as a way to distinguish components or parts, but rather use differences in functions of components or parts as the criteria for distinction. The words "include" and "comprising" mentioned throughout the specification and subsequent claims are open-ended terms and should be interpreted as "including but not limited to". In addition, the word "connected" herein includes any direct and indirect means of connection.

[0040] It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. For the sake of clarity, the order terms "first", "second", "third", "fourth" and the like mentioned herein are used to distinguish an element, region, or part from another identical or similar element, region, or part, rather than to limit a specific element, region, or part.

[0041] like Figures 1 to 3 As shown, the fault simulation injection control device of the present invention comprises a housing 100, a switch 200, a common connection terminal 300, a vehicle signal access terminal 400 and a fault signal access terminal 500. The switch 200, the common connection terminal 300, the vehicle signal access terminal 400 and the fault signal access terminal 500 are connected to the housing 100 respectively.

[0042] The switch 200 includes a common terminal 210, a first-gear terminal 220, and a second-gear terminal 230. In one embodiment of the present invention, the switch 200 is, for example, a rocker bipolar switch, but the present invention is not limited thereto.

[0043] The common connection terminal 300 is connected to the common terminal of the switch 200 in the housing 100. The vehicle signal access terminal 400 is connected to the first gear terminal 220 of the switch 200 in the housing 100. The fault signal access terminal 500 is connected to the second gear terminal 230 of the switch 200 in the housing 100.

[0044] The common connection terminal 300 is connected to the vehicle controller A of the function to be tested. The vehicle signal access terminal 400 is connected to the vehicle original signal B. The fault signal access terminal 500 is connected to the fault signal C to be injected.

[0045] In some embodiments of the fault simulation injection control device of the present invention, it further includes an overcurrent protection component 600 , and the common connection end 300 is connected to the common terminal 210 of the switch 200 through the overcurrent protection component 600 .

[0046] In some embodiments of the fault simulation injection control device of the present invention, the common connection terminal 300 includes a first common connection terminal 310 and a second common connection terminal 320 respectively connected to two ends of the housing 100. The first common connection terminal 310 and the second common connection terminal 320 are respectively connected to the common terminal 210 of the switch 200 through the overcurrent protection element 600.

[0047] In some embodiments of the fault simulation injection control device of the present invention, the vehicle signal access terminal 400 includes a first vehicle signal access terminal 410 and a second vehicle signal access terminal 420 respectively connected to the two ends of the shell 100, and the first vehicle signal access terminal 410 and the second vehicle signal access terminal 420 are respectively connected to a gear terminal 220 of the switch 200.

[0048] In some embodiments of the fault simulation injection control device of the present invention, the fault signal access terminal 500 includes a first fault signal access terminal 510 and a second fault signal access terminal 520 respectively connected to the two ends of the shell 100, and the first fault signal access terminal 510 and the second fault signal access terminal 520 are respectively connected to the second gear terminal 230 of the switch 200.

[0049] Among them, the shell 100 includes a main body and a cover body, the cover body is covered and connected to the main body, and in the accommodating space formed by the main body and the cover body, the first common connection terminal 310 and the second common connection terminal 320 are respectively connected to the common terminal 210 through the overcurrent protection component 600, the first vehicle signal access terminal 410 and the second vehicle signal access terminal 420 are respectively connected to the first gear terminal 220, and the first fault signal access terminal 510 and the second fault signal access terminal 520 are respectively connected to the second gear terminal 230.

[0050] The operating steps of the utility model are as follows:

[0051] 1. Operate the switch 200 to the first closed position.

[0052] 2. Connect the vehicle controller A of the function to be tested to the first common connection terminal 310 and the second common connection terminal 320 of the fault simulation injection control device of the present invention.

[0053] 3. Connect the vehicle original signal B to the first vehicle signal access terminal 410 and the second vehicle signal access terminal 420.

[0054] 4. Connect the fault signal C to be injected to the first fault signal access terminal 510 and the second fault signal access terminal 520.

[0055] 5. When the common end of the switch 200 is moved from the first position to the second position, the fault signal C is injected into the vehicle controller A of the function to be tested, thereby completing the test of its function.

[0056] The control device for fault injection for automobile function testing and experiment adopts a passive design. During the test, the simulated fault signal can be easily and quickly input into the relevant controller on the vehicle side at an appropriate time to avoid other faults or damage to the controller caused by incorrect manual operation. The utility model has a simple structure, a small size, is portable, and has reliable functions. Once the function is realized, it can quickly return to a normal state to avoid being in a fault state for a long time, which may cause damage to the vehicle. The utility model can simultaneously realize the injection of communication, line and other faults, has a current protection device, and has a wide range of applications.

[0057] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A fault simulation injection control device, comprising a housing, characterized in that: Also includes: A switch, connected to the housing, comprising a common terminal, a first-gear terminal and a second-gear terminal; A common connection end is connected to the housing, and the common connection end is connected to the common terminal in the housing; A vehicle signal access terminal is connected to the housing, and the vehicle signal access terminal is connected to the first gear terminal in the housing; as well as A fault signal access terminal is connected to the housing, and the fault signal access terminal is connected to the second-gear terminal in the housing.

2. The fault simulation injection control device according to claim 1, characterized in that: An overcurrent protection component is also included, and the common connection end is connected to the common terminal through the overcurrent protection component.

3. The fault simulation injection control device according to claim 1, characterized in that: The vehicle signal access terminal is connected to the original vehicle signal.

4. The fault simulation injection control device according to claim 1, characterized in that: The fault signal access terminal is connected to a fault signal to be injected.

5. The fault simulation injection control device according to claim 1, characterized in that: The common connection end is connected to a vehicle controller of a function to be tested.

6. The fault simulation injection control device according to claim 1, characterized in that: The common connection end includes a first common connection end and a second common connection end respectively connected to two ends of the housing.

7. The fault simulation injection control device according to claim 1, characterized in that: The vehicle signal access terminal includes a first vehicle signal access terminal and a second vehicle signal access terminal respectively connected to two ends of the housing.

8. The fault simulation injection control device according to claim 1, characterized in that: The fault signal access terminal includes a first fault signal access terminal and a second fault signal access terminal respectively connected to two ends of the housing.

9. The fault simulation injection control device according to any one of claims 1 to 8, characterized in that: The shell comprises a main body and a cover, and the cover is connected to the main body.

10. The fault simulation injection control device according to any one of claims 1 to 8, characterized in that: The switch is a rocker double-pole switch.

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