CN213689901U

CN213689901U - Automobile fault simulator

Info

Publication number: CN213689901U
Application number: CN202022351081.3U
Authority: CN
Inventors: 方镕城; 许文靖; 陈凡
Original assignee: Jiangmen Polytechnic
Current assignee: Jiangmen Polytechnic
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-13
Anticipated expiration: 2030-10-20

Abstract

The utility model provides an automobile fault simulator, including main part, stitch interface, test component and parameter detection device. The pin interface is arranged on the main body and used for accessing a wire harness to be tested of the automobile; the testing component is connected with the pin interface and used for setting the fault state of the automobile wire harness to be tested; the parameter detection device is connected with the test assembly and used for acquiring fault state parameters of the wire harness to be tested of the automobile according to the test assembly. Therefore, the automobile wire harness to be tested can be connected with the automobile fault simulator through the pin interface under the condition that the insulation skin of the wire harness is not damaged, fault simulation or fault state parameter detection is carried out on the wire harness to be tested, safety accidents caused by damage of the insulation skin of the automobile wire harness are reduced, convenience and safety of the automobile fault simulator are improved, and use experience of a user is improved.

Description

Automobile fault simulator

Technical Field

The utility model relates to an automobile fault diagnosis equipment technical field, in particular to automobile fault simulator.

Background

Automobile fault detection needs to connect one of the test harnesses with the negative electrode of the battery or measure voltage, resistance or current of two of the harnesses, and automobile fault diagnosis is carried out by measuring voltage, resistance or current data in the test harnesses. In the general automobile fault detection process, the insulation skin of the test wire harness needs to be damaged, and then the line fault detection is carried out, so that the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a car fault simulator has removed the destruction to car wiring harness from when car fault detects, can improve the security and the convenience that car fault detected.

An embodiment of the utility model provides a car fault simulator, including main part, stitch interface, test component and parameter detection device. The pin interface is arranged on the main body and used for accessing a wire harness to be tested of the automobile; the testing component is connected with the pin interface and used for simulating and setting the fault state of the automobile wire harness to be tested; the parameter detection device is connected with the test assembly and used for acquiring fault state parameters of the wire harness to be tested of the automobile according to the test assembly.

According to the utility model provides a car fault simulator of embodiment has following beneficial effect at least: the automobile wire harness to be tested is directly connected with the main body through the pin interface, so that the automobile wire harness to be tested can be directly tested through the main body under the condition that the insulation skin of the wire harness is not damaged, and the automobile wire harness to be tested is convenient for a user to use. The pin interface is connected with the testing component, a fault state is set on the automobile to-be-tested wire harness in a simulated mode according to user requirements through the testing component, meanwhile, the testing component is connected with the parameter detection device, the parameter detection device automatically obtains fault state parameters of the automobile to-be-tested wire harness, and a user can conveniently adjust the fault state of the automobile to-be-tested wire harness according to the fault state parameters. Therefore, the automobile to-be-tested wire harness is connected with the automobile fault simulator through the pin interface under the condition that the insulation skin of the wire harness is not damaged, fault simulation or fault state parameter detection is carried out on the automobile to-be-tested wire harness, safety accidents caused by damage of the insulation skin of the automobile wire harness are reduced, and the fault state of the automobile to-be-tested wire harness is adjusted through the testing assembly, the use requirements of a user are met, in addition, the parameter detection device arranged on the main body acquires the fault state parameter of the automobile to-be-tested wire harness in real time, the observation and adjustment of the user are facilitated, the safety and the convenience of the automobile fault simulator are improved, the use requirements of the user are met, and the.

According to the utility model discloses a some embodiments, the stitch interface include a plurality of with the stitch that the car awaits measuring pencil one-to-one is connected can await measuring the pencil to appointed certain car and carry out fault simulation or test alone, and the user of being convenient for uses.

According to the utility model discloses a some embodiments, the test subassembly includes a plurality of connecting terminal, all connecting terminal passes through the stitch interface with the car awaits measuring pencil corresponds and connects, and each connecting terminal corresponds a car and awaits measuring pencil, can carry out fault setting and detection to appointed car await measuring pencil through connecting terminal.

According to some embodiments of the utility model, the test subassembly is still including being used for the simulation to set up the detection circuitry of trouble, be used for inserting connecting terminal the detection interface and with detect interface connection's selector switch, the detection interface passes through selector switch with the detection line connection, connecting terminal are connected to the detection circuitry through detection interface and selector switch, to corresponding car examination test pencil selection simulation of awaiting measuring set up different fault state, the user operation of being convenient for is used.

According to the utility model discloses a some embodiments, the detection circuitry sets up the first detection circuitry of virtual trouble that connects including being used for the simulation, first detection circuitry includes variable resistor, can set up out the different virtual trouble condition that connects through adjusting variable resistor simulation, improves the convenience that the trouble simulation set up, satisfies user's user demand.

According to the utility model discloses a some embodiments, the detection circuitry is including the second detection circuitry that is used for the simulation to set up short-circuit fault, the second detection circuitry includes short circuit interface, can insert the simulation of second detection circuitry through connecting terminal and set up out the different short-circuit fault condition, improves the convenience that the fault simulation set up, satisfies user's user demand.

According to the utility model discloses a some embodiments, the test subassembly is still including being used for control a plurality of self-locking switch of connecting terminal break-make, each self-locking switch and each the connecting terminal one-to-one is connected, can set out the different fault condition that opens circuit through adjusting the self-locking switch simulation, and the user operation of being convenient for is used.

According to the utility model discloses a some embodiments, the test subassembly provides the variety that can simulate and set up the fault state including the short circuit interface that is used for setting up power short circuit trouble, satisfies user's user demand.

According to the utility model discloses a some embodiments still include and are used for showing failure state parameter's display screen, the display screen with parameter detection device connects, and the user of being convenient for acquires failure state parameter, improves user's use and experiences.

According to the utility model discloses a some embodiments, be provided with in the main part and be used for preserving the record the data module of fault state parameter, data module with the display screen is connected, can preserve the record to fault state parameter, and the user's of being convenient for record and use improve user's use and experience.

According to the utility model discloses a some embodiments, parameter detection device acquires including being used for switching the switching button of fault state parameter, the user of being convenient for acquires different fault state parameters, improves car fault simulator's convenience.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an automotive fault simulator in accordance with some embodiments of the present invention;

fig. 2 is a schematic diagram of another view of a vehicle fault simulator according to some embodiments of the present invention.

Reference numerals: the automobile fault simulator comprises an automobile fault simulator 100, a main body 110, a connecting terminal 120, a self-locking switch 130, a parameter detection device 140, a knob 150, a detection interface 160, a short circuit interface 170, a display screen 180, a starting switch 190, a selection switch 200, a switching key 210, a pin interface 220 and a test connector 230.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The utility model provides a car trouble simulator, car examination pencil is direct to be connected with the main part through the stitch interface, under the condition that does not destroy car pencil insulation skin, carries out fault simulation or test, convenient to use user to the car examination pencil through the main part. The pin interface is connected with the testing component, the testing component is adjusted according to user requirements to simulate and set a fault state of the automobile wire harness to be tested, meanwhile, the testing component is connected with the parameter detection device, the parameter detection device automatically acquires fault state parameters of the automobile wire harness to be tested, and a user can conveniently adjust the fault state of the automobile wire harness to be tested according to the fault state parameters. Therefore, the automobile to-be-tested wire harness can be connected with the automobile fault simulator through the pin interface under the condition that the insulation skin of the wire harness is not damaged, fault simulation or fault state parameter detection is carried out on the automobile to-be-tested wire harness, the occurrence of safety accidents caused by damage of the insulation skin of the automobile wire harness is reduced, the fault state of the automobile to-be-tested wire harness can be adjusted through the testing assembly, the use requirements of users are met, in addition, the parameter detection device arranged on the main body can acquire the fault state parameter of the automobile to-be-tested wire harness in real time, the observation and adjustment of the users are facilitated, the safety and the convenience of the automobile fault simulator are improved, the use requirements of the users are met.

The embodiments of the present invention will be further explained with reference to the drawings.

In some embodiments, referring to fig. 1, the main body 110 is provided with a plurality of connection terminals 120, each connection terminal 120 is connected to each pin in the pin interface 220 in a one-to-one correspondence manner, that is, each connection terminal 120 is connected to a corresponding automotive wiring harness to be tested, and each connection terminal 120 is provided with a banana connector for facilitating plug-in connection. Therefore, can be connected with the detection circuitry through the connecting terminal 120 that corresponds, realize that a certain appointed car awaits measuring pencil carries out solitary detection or fault setting, remove from and need destroy the step of the car awaiting measuring pencil insulating skin that awaits measuring in order to test, reduce the car and await measuring pencil insulating skin damage and cause the emergence of incident, reduce the car simultaneously and await measuring pencil insulating skin damage and lead to this pencil virtual connection, the condition of short circuit or open circuit appears, improve car fault simulator 100's convenience, security and accuracy, satisfy user's user demand. In addition, the connection terminal 120 is provided with a banana connector, so that the connection terminal 120 can be conveniently connected to the detection interface 160 or disconnected from the detection interface 160, and the durability of the connection terminal 120 is improved.

In some embodiments, referring to fig. 2, a plurality of pin interfaces 220 are arranged on the main body 110, the wire harnesses to be tested of the automobile are connected to the main body 110 through the pin interfaces 220, a plurality of pins are arranged in the pin interfaces 220, and all the pins are correspondingly connected with one wire harness to be tested of the automobile, so that each wire harness to be tested of the automobile in a bundle of wire harnesses can be led out independently without damaging the insulation skin of the wire harness to be tested of the automobile, fault state setting of a certain wire harness to be tested of the automobile is facilitated, and meanwhile, the occurrence of the condition that the wire harness is in virtual connection, short circuit or open circuit and the occurrence of safety accidents caused by the damage of the insulation skin of the wire harness to be tested of the automobile are reduced, so that convenience, safety and accuracy.

In some embodiments, the pin interface 220 is provided with 70 pins, and the number of the connection terminals 120 is 70, that is, 70 corresponding to the automotive to-be-tested wiring harnesses capable of detecting or simulating the set fault state. And in new energy automobile, the pencil that car pencil interface corresponds is 63 at most, and car fault simulator 100 can measure and the trouble sets up 70 car pencil, satisfies the user and carries out measuring user demand to new energy automobile, improves user's use and experiences.

In some embodiments, referring to fig. 1, the main body 110 is provided with a detection interface 160 and a selection switch 200, the detection interface 160 is connected to the selection switch 200, and the detection interface 160 can selectively connect different detection lines through the selection switch 200, so as to set different fault states corresponding to simulation. The detection interface 160 and the selection switch 200 can be correspondingly provided with one or more than one, when a plurality of groups of detection interfaces 160 and selection switches 200 are arranged, a plurality of connection terminals 120 can be simultaneously accessed, and fault state grouping setting is carried out on a plurality of automobile wire harnesses to be tested, so that grouping testing can be carried out, comparison and observation of users can be conveniently carried out, and the use requirements of the users can be met. Connecting terminal 120 inserts detection interface 160, selects the car examination pencil of awaiting measuring and is connected with different detection circuitry through select switch 200 to be convenient for the user to set up different fault condition to the car examination pencil of awaiting measuring, simulate out different car trouble condition, improve the simulation of car trouble simulator 100 and set up the variety of fault condition, improve the convenience that fault condition simulation set up, satisfy user's user demand.

In some embodiments, the detection lines include a first detection line and a second detection line, and further include a normal line. The first detection circuit is a resistance fault circuit provided with a variable resistor, when the selection switch 200 is connected into the first detection circuit, the automobile wire harness to be tested is connected into the variable resistor, so that virtual connection resistance testing is performed, the fault condition of virtual connection of the automobile wire harness to be tested can be simulated, the resistance value of the variable resistor is adjusted by rotating the knob 150, and the virtual connection fault state connected into different resistors can be simulated. The second detection circuit is a short-circuit fault circuit used for carrying out short-circuit fault setting on the wire harness to be tested of the automobile. When the selection switch 200 is connected to the second detection circuit, the automobile wire harnesses to be tested are mutually short-circuited or the anode and the cathode are short-circuited, so that the short-circuit test of the automobile wire harnesses to be tested is realized, and the short-circuit fault condition between the wire harnesses can be simulated. When the selection switch 200 is connected to a normal line, the condition of the fault state is not set for the simulation of the automobile wire harness to be tested, and the fault state parameters of the automobile wire harness to be tested in the normal state can be measured. Therefore, multiple fault state simulation settings are provided for a user, the user can conveniently adjust and set different automobile fault states, the use requirements of the user are met, the convenience of the fault device simulation settings is improved, and the use experience of the user is improved.

It should be noted that the variable resistor may be a sliding rheostat, a potentiometer, or a rheostat box, and the resistance value may be adjusted by rotating the knob 150, adjusting the resistance value by sliding the shift lever, or adjusting the resistance value by inputting a key, which is not limited in this embodiment.

In some embodiments, the second detection circuit includes a short interface 170 for setting a power short fault condition of the automotive test harness. The automobile to-be-tested wire harness comprises a power wire harness, the connecting terminal 120 corresponding to the power wire harness is connected into the short circuit interface 170, and the anode and the cathode of the power wire harness are short-circuited, so that the power short circuit test of the automobile to-be-tested wire harness is performed, the power short circuit fault condition of the automobile to-be-tested wire harness is simulated, therefore, multiple fault state settings can be provided for a user, different automobile fault states can be conveniently adjusted and set by the user, the convenience of the simulation setting of a fault device is improved, in addition, the automobile to-be-tested wire harness does not need to be damaged and the power wire harness is led out independently, the safety accident caused by the damage of the insulating layer of the power.

In some embodiments, referring to fig. 1, the main body 110 is provided with a self-locking switch 130 correspondingly connected to the connection terminal 120, and the self-locking switch 130 can control connection or disconnection of the connection terminal 120, so as to perform a disconnection test on the automotive wiring harness to be tested, and simulate a disconnection fault of the automotive wiring harness to be tested. Each self-locking switch 130 controls the corresponding connecting terminal 120 independently, so that the circuit breaking fault simulation of one or more appointed automobile wire harnesses to be tested can be realized, various automobile circuit breaking fault conditions can be simulated, and the use requirements of users can be met. Corresponding numbers can be arranged above the self-locking switch 130 and the connecting terminal 120, for example, for the convenience of distinguishing and controlling by a user, the self-locking switch and the connecting terminal are connected according to a corresponding position relationship, the connecting terminal with the number a above corresponds to the self-locking switch with the number a1, and the self-locking switch with the number a1 can correspondingly control the on-off state of the connecting terminal with the number a. For another example, the self-locking switch and the connection terminal may not be connected according to the corresponding positional relationship, and the self-locking switch of the number a1 controls the on/off state of the connection terminal of the number B. The self-locking switch 130 and the connecting terminal 120 can be correspondingly provided with indicating lamps, when the self-locking switch 130 is in an off state, the indicating lamps are normally on, the connecting terminal 120 corresponding to a user is reminded of being set to be in an open circuit, the user can conveniently distinguish and adjust the connecting terminal, misoperation of the user is reduced, and use convenience of the automobile fault simulator 100 is improved.

In some embodiments, the parameter detection device 140 comprises a multimeter embedded in the body 110 and fixed by a bolt or a snap. The multimeter is connected to the detection interface 160, and can automatically adjust a proper measurement range to measure the fault state parameters of the detection interface 160. When the connection terminal 120 is connected to the detection interface 160, and the fault state of the connection terminal 120 is set, the multimeter obtains the fault state parameters of the connection terminal 120 in real time, so that the fault detection and fault state adjustment can be conveniently performed by a user.

It should be noted that the parameter detection device 140 may include a multimeter, an ammeter, a voltmeter, or an ohmmeter, and may also be an integrated circuit for measuring current, voltage, or resistance, which is not limited in this embodiment.

In some embodiments, the measurable fault condition parameters include a voltage value, a resistance value, and a current value, the parameter detection device 140 includes an activation switch 190 and a switch 210, the activation switch 190 is used to activate or deactivate the parameter detection device 140, the switch 210 is capable of causing the parameter detection device 140 to switch between obtaining the voltage value, the resistance value, and the current value, in the case that a certain fault condition parameter cannot be measured, the parameter detection device 140 automatically switches to measure other fault condition parameters, for example, when the voltage of the detection line is low and the resistance value of the detection interface 160 cannot be measured, the parameter detection device 140 automatically measures the voltage value or the current value of the detection interface 160 instead, therefore, the user can conveniently adjust the parameter detection device 140 to obtain the required fault state parameters, so that the convenience of the automobile fault simulator 100 is improved, and the user experience is improved.

In some embodiments, the parameter detection device 140 further includes a non-contact voltage sensing module, where the non-contact voltage sensing module enables the parameter detection device 140 to detect the on/off state of the to-be-tested wire harness of the vehicle, and the on/off state of the wire harness is detected when the to-be-tested wire harness of the vehicle is not connected to the main body 110 or the connection terminal 120 is not connected to the detection interface 160, that is, the to-be-tested wire harness of the vehicle is close to the non-contact voltage sensing module without damaging the insulation skin of the to-be-tested wire harness of the vehicle, so that a user can know whether the to-be-tested wire harness of the vehicle is electrified from the display screen, thereby improving.

In some embodiments, referring to fig. 2, the parameter detection device 140 further includes a test connector 230, and the parameter detection device 140 can measure the fault state parameter of the connection terminal 120 by contacting the connection terminal 120 with the test connector 230, so that the parameter detection device 140 can measure other interfaces or the connection terminal 120 besides the detection interface 160, thereby meeting the use requirement of the user, improving the convenience of the automobile fault simulator 100, and improving the use experience of the user.

In some embodiments, the automobile fault simulator 100 further includes a display screen 180, the display screen 180 is connected to the parameter detection device 140, and displays the fault state parameter obtained from the parameter detection device 140, so that the user can directly look up the fault state parameter, and adjust the fault state of the wire harness to be tested of the automobile according to the fault state parameter, thereby improving convenience of the automobile fault simulator 100.

It should be noted that the display screen 180 may be integrally disposed on the main body 110, so as to be convenient for the user to directly look up. The display screen 180 can also be detachably mounted on the main body 110, and is wirelessly connected with the parameter detection device 140, so that the display screen is suitable for various use scenes, meets the use requirements of users, and improves the use experience of the users.

In some embodiments, the main body 110 is further provided with a data module, and the data module and the display screen may be in wired connection or wireless connection. The data module can save a plurality of fault state parameters measured by the parameter detection device 140, so that a user can conveniently look up and compare the plurality of fault state parameters, the use requirements of the user are met, and the use experience of the user is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art.

Claims

1. An automotive fault simulator, comprising:

a main body;

the pin interface is arranged on the main body and used for accessing a wire harness to be tested of the automobile;

the testing component is connected with the pin interface and used for simulating and setting the fault state of the automobile wire harness to be tested;

and the parameter detection device is connected with the test component and used for acquiring the fault state parameters of the wire harness to be tested of the automobile according to the test component.

2. The vehicle fault simulator of claim 1, wherein the pin interface comprises a plurality of pins connected to the vehicle test harnesses in a one-to-one correspondence.

3. The automobile fault simulator of claim 1, wherein the testing assembly comprises a plurality of connecting terminals, and all the connecting terminals are correspondingly connected with the automobile wiring harness to be tested through the pin interfaces.

4. The vehicle fault simulator of claim 3, wherein the testing assembly further comprises a detection line for simulating a setup fault, a detection interface for connecting to the connection terminal, and a selection switch connected to the detection interface, and the detection interface is connected to the detection line through the selection switch.

5. The vehicle fault simulator of claim 4, wherein the detection line comprises a first detection line for simulating setting of a virtual connection fault, the first detection line comprising a variable resistor.

6. The vehicle fault simulator of claim 4, wherein the detection line comprises a second detection line for simulating setting of a short circuit fault, the second detection line comprising a short circuit interface.

7. The automobile fault simulator of claim 3, wherein the testing assembly further comprises a plurality of self-locking switches for controlling the connection terminals to be switched on and off, and each self-locking switch is connected with each connection terminal in a one-to-one correspondence manner.

8. The vehicle fault simulator of claim 1, further comprising a display screen for displaying said fault status parameter, said display screen being connected to said parameter detection device.

9. The automobile fault simulator of claim 8, wherein a data module for storing and recording the fault state parameters is disposed in the main body, and the data module is connected to the display screen.

10. The vehicle failure simulator of claim 1, wherein the parameter detecting means comprises a switch button for switching to acquire the failure status parameter.