CN210925004U

CN210925004U - Electric automobile fault diagnosis teaching equipment

Info

Publication number: CN210925004U
Application number: CN201921369982.6U
Authority: CN
Inventors: 吴少华; 鄂晓宇; 郭良宝; 赵喜群; 吕江毅
Original assignee: Beijing Baitong Kexin Machinery Equipment Co ltd
Current assignee: Beijing Baitong Kexin Machinery Equipment Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-03
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses an electric automobile fault diagnosis teaching equipment, including measurement panel, the pencil, control panel and portable support frame, measurement panel passes through the pencil and is connected with vehicle control unit, on-vehicle machine that charges, battery management system, machine controller and auxiliary control module on the electric automobile, control panel and measurement panel communication connection, can set up modules such as switch through measurement terminal and trouble on the measurement panel, carry out real-time data measurement or fault simulation to aforementioned sensor or executor of electric automobile, and can realize corresponding function through control panel, remote control equipment control measurement panel etc. make the student can carry out fault diagnosis and clearance to electric automobile's corresponding sensor or executor directly perceivedly, thereby reach better teaching effect, cultivate high-level electric automobile maintenance person.

Description

Electric automobile fault diagnosis teaching equipment

Technical Field

The utility model relates to an electric automobile technical field, concretely relates to electric automobile fault diagnosis teaching equipment.

Background

At present, along with the growing demand of environmental protection and energy saving and emission reduction, electric automobile's use is also more and more common, also is growing fast to professional electric automobile maintenance personal's demand, consequently, how to cultivate the electric automobile maintenance personal of high level fast high-efficiently and has become a problem that awaits a urgent need to be solved.

The fault diagnosis and maintenance of the automobile are necessary courses for major automobile maintenance in higher vocational schools and the like, and a teacher usually sets faults of electric devices or lines artificially to enable students to diagnose, measure and solve the faults so as to achieve the aim of combining theory and practice. However, the teaching method cannot enable students to operate the real vehicle, and the students are difficult to obtain the operation experience of the real vehicle. Meanwhile, the fault setting of the method can only be manually set on site by teachers, time and labor are wasted, and the practical requirements of a large number of students are difficult to meet.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electric automobile fault diagnosis teaching equipment can measure and the fault simulation to the different sensor of electric automobile and executor through measurement panel, control panel and remote control equipment to realize operations such as data measurement, fault setting, fault diagnosis to the electric automobile real estate fast, obtain better teaching effect.

The embodiment of the utility model provides an electric automobile fault diagnosis teaching equipment, equipment includes:

the measuring panel is configured to cooperate with a corresponding measuring instrument to measure data of a corresponding sensor and/or actuator of the electric automobile and carry out fault simulation on the corresponding sensor and/or actuator of the electric automobile;

a harness including a plurality of wires, the harness for connecting a connector of the electric vehicle related system with the measurement panel;

the control panel is in communication connection with the measurement panel and is configured to be controlled to send instructions to the measurement panel so as to enable the measurement panel to acquire data of the electric automobile and/or perform fault simulation; and

the bottom of the movable support frame is provided with a roller, and the movable support frame is configured to bear the electric automobile fault diagnosis teaching equipment.

Preferably, the measuring panel comprises:

the measuring device comprises a plurality of groups of measuring terminals, wherein each group of measuring terminals comprises a first terminal and a second terminal corresponding to the first terminal; and

the fault setting switch is used for carrying out fault simulation;

each group of the measuring terminals is connected with two corresponding terminals of a corresponding sensor or controller of the electric automobile;

the measuring terminal is configured to be connectable with a measuring interface of the measuring instrument to measure an electric signal of a terminal of a corresponding sensor or controller of an electric vehicle;

each fault setting switch corresponds to two corresponding terminals of the sensor or the actuator of the electric automobile, when the fault setting switch is in a first position, the open-circuit fault of the corresponding terminal of the sensor or the actuator can be simulated, and when the fault setting switch is in a second position, the short-circuit fault of the corresponding terminal of the sensor or the actuator can be simulated.

Preferably, the fault set switch is embodied as a single pole double throw single side reset switch, the fault set switch being configured to automatically reset when in the second position.

Preferably, the control panel includes:

a central processing unit;

the touch panel is electrically connected with the central processing unit; and

a first communication module configured to be controlled to transmit signals to and/or receive signals transmitted by the measurement panel.

Preferably, the apparatus further comprises:

and the remote control device comprises a display screen, a processing module and a first communication module, is in wireless communication with the control panel and/or the measurement panel, and is configured to be controlled to send instructions to the control panel and/or the measurement panel to enable the measurement panel to perform fault simulation and/or data measurement of the sensor and/or the actuator.

Preferably, the apparatus further comprises:

a plurality of jumpers configured to cooperate with the measurement panel for fault simulation, both ends of each jumper comprising a male end and a female end.

Preferably, the measurement panel further comprises:

an adjustable potentiometer including a third terminal and a fourth terminal;

the third terminal and the first terminal and the fourth terminal and the second terminal are respectively connected through the jumper wires, the adjustable potentiometer is adjusted, and fault simulation can be performed on the sensor and/or the actuator.

Preferably, the movable support frame further comprises:

and the equipment cabinet is used for placing the measuring instrument and the teaching tool.

Preferably, the measurement panel further comprises:

the adjustable support is arranged at the bottom of the measuring panel and used for adjusting the inclination angle of the measuring panel.

Preferably, the measurement panel is further configured to be separated from the movable support.

The embodiment of the utility model provides an electric automobile fault diagnosis teaching equipment, including the measurement panel, the pencil, control panel and portable support frame, the measurement panel passes through pencil and electric automobile's vehicle control unit, on-vehicle machine that charges, battery management system, machine controller and auxiliary control module are connected, control panel and measurement panel communication connection, can be through the measurement terminal on the measurement panel, modules such as fault setting switch, and control panel, a plurality of ways such as remote control equipment carry out real-time data measurement or fault simulation to aforementioned sensor or the executor of electric automobile real-time, make the student can carry out fault diagnosis and clearance to electric automobile's corresponding sensor or executor directly perceivedly, thereby reach better teaching effect, cultivate high-level electric automobile maintenance personnel.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is an appearance schematic diagram of an electric vehicle fault diagnosis teaching device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the electric vehicle fault diagnosis teaching device according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a measurement panel of the electric vehicle fault diagnosis teaching device according to the embodiment of the present invention;

fig. 4 is a circuit diagram of a measurement terminal and a fault setting switch of a measurement panel of the electric vehicle fault diagnosis teaching device according to the embodiment of the present invention;

description of reference numerals:

1-measuring the panel; 11-a measurement terminal; 111-a first terminal; 112-a second terminal; 12-a fault set switch; 13-an adjustable potentiometer; 131-a third terminal; 132-a fourth terminal; 2-a wire harness; 3-a control panel; 4-a movable support; 5-a remote control device; 6-equipment cabinet; 7-rollers.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout this specification, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

When an element or layer is referred to as being "on," "engaged to," "connected to" or "coupled to" another element or layer, it may be directly on, engaged, connected or coupled to the other element or layer or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly engaged to," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between" and "directly between," "adjacent" and "directly adjacent," etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Spatially relative terms, such as "inner," "outer," "below," "lower," "above," "upper," and the like, are used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 is the utility model discloses electric automobile fault diagnosis teaching equipment's outward appearance schematic diagram, fig. 2 is the utility model discloses electric automobile fault diagnosis teaching equipment's structure schematic diagram. As shown in fig. 1 and 2, the electric vehicle fault diagnosis teaching device comprises a measurement panel 1, a wire harness 2, a control panel 3 and a movable support frame 4, wherein the movable support frame 4 is provided with a roller 7, which can facilitate the movement of the fault diagnosis device. The measuring panel 1 is electrically connected to the connectors of the corresponding sensors and actuators of the electric Vehicle through the wiring harness 2, and the sensors and actuators include a VCU (Vehicle Control Unit), an OBC (On-body Charge), a BMS (Battery management system), an MCU (Motor Control Unit, Motor controller) and an ACM (auxiliary Control Module). When a specific sensor or actuator needs to be measured or fault-simulated, the measurement panel 1 and the measured sensor or actuator are connected by using a corresponding wire harness 2.

Fig. 3 is the utility model discloses electric automobile fault diagnosis teaching equipment's measurement panel 1's schematic structure diagram. As shown in fig. 3, the measurement panel 1 includes an adjustable potentiometer 13, a plurality of sets of measurement terminals 11, and a plurality of fault setting switches 12, wherein a first terminal 111 and a second terminal 112 of each set of measurement terminals 11 correspond to two terminals on a corresponding circuit of a corresponding sensor or actuator, and each fault setting switch 12 corresponds to a corresponding circuit of a corresponding sensor or actuator. Preferably, a plurality of sets of measurement terminals 11 are provided on one side of the measurement panel 1, and a plurality of failure setting switches 12 are provided on the other side of the measurement panel 1 for operation by a user. The measuring terminal 11 can adopt a banana socket, and correspondingly, the connecting wire and the jumper wire matched with the banana socket are terminals of a banana plug, so that the connection can be quickly and stably realized. The type of the adjustable potentiometer 13 and the resistance range and other parameters can be specifically selected by those skilled in the art according to actual needs, and preferably, a rotary potentiometer is adopted to facilitate resistance adjustment. The terminals of the measuring instrument are connected to the measuring terminals 11 via connecting wires, so that data of the corresponding sensor or actuator can be measured. By operating the fault setting switch 12 or by cooperating the measuring terminal 11, the jumper and the adjustable potentiometer 13, a fault simulation of the sensor or actuator can be performed. The control panel 3 is in communication connection with the measurement panel 1, and the measurement panel 1 can be controlled to perform corresponding data measurement and fault simulation operation on the sensor or the actuator by operating the control panel 3.

Fig. 4 is a circuit diagram of a fault setting unit of the measurement panel 1 of the electric vehicle fault diagnosis teaching device. As shown in fig. 3 and 4, the number of sets of the measurement terminals 11 on the measurement panel 1 is the same as the number of the fault setting switches 12, that is, two corresponding terminals a and b on each sensor or actuator are electrically connected with one set of the measurement terminals 11 and one fault setting switch 12 on the measurement panel 1, each set of the measurement terminals 11 and the corresponding fault setting switches 12 form one fault setting unit, each fault setting unit can perform data measurement and fault simulation on lines of different sensors or actuators, and the fault setting units are connected in parallel. The fault set switch 12 is a single pole double throw single side reset switch that can simulate a short circuit fault between the a and b terminals when the fault set switch 12 is in the first position and the switch S1 is off, and can simulate a short circuit fault between the a and b terminals when the fault set switch 12 is in the second position. When the fault setting switch 12 is placed in the second position, the fault setting switch 12 automatically resets to prevent the components from being damaged or dangerous due to the fact that the corresponding circuit is short-circuited for too long time. The switch S1 is connected in series with the resistor R1, and when the fail-safe switch 12 is in the first position and the switch S1 is closed, the terminals a and b are connected and are in normal operation. By connecting the terminals on the measuring instrument with the first terminal 111 and the second terminal 112, respectively, by means of connecting lines, the corresponding data in the circuit can be measured. The measuring instrument can be a measuring device such as a universal meter, an oscilloscope and the like, and can measure signal parameters such as voltage, current, resistance, waveform and the like of a circuit to perform fault analysis.

The electric automobile fault diagnosis teaching equipment of this embodiment still includes a plurality of jumper wires, and the both ends of every jumper wire all include public end and female end. When the fault setting switch 12 is in the first position and the switch S1 is open, the first terminal 111 and the third terminal 131 of the adjustable potentiometer 13 may be connected through two common terminals of one jumper, the second terminal 112 and the fourth terminal 132 may be connected through two common terminals of another jumper, the adjustable potentiometer may be virtually connected into the circuit, and the adjustable potentiometer may be adjusted to adjust corresponding parameters in the circuit to simulate a virtual connection fault of a corresponding sensor or actuator. Then, the measuring instrument is connected through the two mother ends on the two different jumpers, and corresponding data can be measured. The person skilled in the art can also cooperate with the measuring terminal 11, the jumper and the adjustable potentiometer and perform other fault simulations according to the principles of automotive circuits.

Optionally, the control panel 3 is disposed on the movable support frame 4, and the control panel 3 includes a central processing unit, a touch panel, and a first communication module. Optionally, the end of the control panel 3 is hinged to the movable support frame 4, and the control panel 3 can be folded and placed on the table top of the support frame, so that the occupied space of the equipment can be reduced. The control panel 3 is in communication connection with the measurement panel 1 through the first communication module, and a user enables the central processing unit to send corresponding instructions to the measurement panel 1 through the first communication module by operating the touch panel, so as to control the states of the corresponding fault setting switch 12 and the switch S1 in the measurement panel 1, thereby performing fault simulation. Preferably, a measuring instrument can be further disposed in the measuring panel 1, and the measuring instrument in the measuring panel 1 can be controlled by the control panel 3 to measure the corresponding measuring terminal 11, and the measuring panel 1 can transmit the measuring result to the control panel 3 to be displayed on the touch panel.

In this embodiment, the electric vehicle fault diagnosis teaching equipment further includes a remote control device 5, and the remote control device 5 includes a processing module, a display screen and a second communication module. The second communication module wirelessly communicates (for example, bluetooth communication, wireless network communication, etc.) with the first communication module and/or the measurement panel 1, and the user can perform corresponding operations on the control panel 3 and/or the measurement panel 1 by operating the remote control device 5, thereby performing fault simulation or data measurement. Through communication connection, the display content of the touch panel of the control panel 3 can be synchronized with the display content on the display screen of the remote control device 5, so that a teacher can conveniently carry out teaching and explanation.

In this embodiment, the movable support frame 4 further comprises an equipment cabinet 6, wherein the equipment cabinet 6 is located above the lower end of the movable support frame 4 and the roller 7, and can be used for placing measuring instruments such as a multimeter and other teaching equipment.

In the present embodiment, the measurement panel 1 can be separated from the movable supporting frame 4, so that the user can move the measurement panel 1 to perform corresponding operations. The bottom of the measuring panel 1 may further include an adjustable bracket for adjusting the angle of the measuring panel 1, so that the measuring panel 1 can be placed on the surface of an inclined object, which is convenient for a user to use.

The measuring panel 1 can also be used for fault diagnosis of the electric automobile, is connected with a corresponding connector on the electric automobile through the wiring harness 2, connects a measuring interface on equipment such as a measuring instrument or a diagnostic instrument and the like with a corresponding measuring terminal 11, and can carry out fault diagnosis on the electric automobile through analysis of measured data.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An electric vehicle fault diagnosis teaching device, characterized in that the device comprises:

a measuring panel (1) configured to measure data of respective sensors and/or actuators of an electric vehicle in cooperation with respective measuring instruments and to perform fault simulation of the respective sensors and/or actuators of the electric vehicle;

a wire harness (2) comprising a plurality of wires, the wire harness (2) being used for connecting a plug of the electric vehicle related system with the measurement panel (1);

a control panel (3) in communication connection with the measurement panel (1), wherein the control panel (3) is configured to be controlled to send instructions to the measurement panel (1) so that the measurement panel (1) collects data of the electric vehicle and/or performs fault simulation; and

the movable support frame (4) is provided with a roller (7) at the bottom, and the movable support frame (4) is configured to bear the electric vehicle fault diagnosis teaching equipment.

2. The electric vehicle fault diagnosis teaching device according to claim 1, wherein the measurement panel (1) comprises:

a plurality of sets of measurement terminals (11), each set of measurement terminals (11) comprising a first terminal (111) and a second terminal (112) corresponding to the first terminal (111); and

a fault setting switch (12) for performing fault simulation;

wherein each set of the measurement terminals (11) is connected with two corresponding terminals of a corresponding sensor or controller of the electric vehicle;

the measuring terminal (11) is configured to be connectable with a measuring interface of the measuring instrument to measure an electric signal of a terminal of a corresponding sensor or controller of an electric vehicle;

each fault setting switch (12) corresponds to two corresponding terminals of the sensor or the actuator of the electric automobile, and when the fault setting switch (12) is in a first position, the open-circuit fault of the corresponding terminal of the sensor or the actuator can be simulated, and when the fault setting switch (12) is in a second position, the short-circuit fault of the corresponding terminal of the sensor or the actuator can be simulated.

3. Electric vehicle fault diagnosis teaching device according to claim 2, characterized in that the fault setting switch (12) is in particular a single pole double throw single side reset switch, the fault setting switch (12) being configured to reset automatically when in the second position.

4. The electric vehicle fault diagnosis teaching device according to claim 1, wherein the control panel (3) comprises:

a central processing unit;

the touch panel is electrically connected with the central processing unit; and

a first communication module configured to be controlled to transmit signals to the measurement panel (1) and/or to receive signals transmitted by the measurement panel (1).

5. The electric vehicle fault diagnosis teaching device according to claim 1, wherein the device further comprises:

a remote control device (5) comprising a display screen, a processing module and a second communication module, said remote control device (5) being in wireless communication with said control panel (3) and/or said measurement panel (1) and being configured to be controlled to send instructions to said control panel (3) and/or said measurement panel (1) to cause said measurement panel (1) to perform fault simulation and/or data measurement of said sensors and/or actuators.

6. The electric vehicle fault diagnosis teaching device according to claim 2, wherein the device further comprises:

a plurality of jumpers configured to cooperate with the measurement panel (1) for fault simulation, both ends of each jumper comprising a male end and a female end.

7. The electric vehicle fault diagnosis teaching device according to claim 6, wherein the measurement panel (1) further comprises:

an adjustable potentiometer (13) comprising a third terminal (131) and a fourth terminal (132);

wherein the third terminal (131) and the first terminal (111) and the fourth terminal (132) and the second terminal (112) are respectively connected through the jumper wires, and the adjustable potentiometer (13) is adjusted, so that fault simulation can be carried out on the sensor and/or the actuator.

8. The electric vehicle fault diagnosis teaching device according to claim 1, wherein the movable support frame (4) further comprises:

and the equipment cabinet (6) is used for placing the measuring instrument and the teaching tool.

9. The electric vehicle fault diagnosis teaching device according to claim 1, wherein the measurement panel (1) further comprises:

the adjustable support is arranged at the bottom of the measuring panel (1) and used for adjusting the inclination angle of the measuring panel (1).

10. Electric vehicle fault diagnosis teaching device according to claim 1, characterized in that the measuring panel (1) is also configured to be separated from the movable support (4).