New energy automobile simulation teaching device
Patent Information
- Application Number
- CN202520027464.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing new energy vehicle simulation teaching devices cannot effectively simulate short circuits between multiple signal circuits, and the intermediate relay devices are large in size and easily damaged, affecting the teaching process.
The circuit employs a first switching circuit, a first signal output module, a second switching circuit, a second signal output module, and a microprocessor. It simulates the normal, short-circuit, open-circuit, and loose connection conditions of the circuit by controlling the signal voltage and level, and uses transistors and optocouplers to achieve signal control.
This invention achieves a miniaturized simulation teaching device that can input multiple signals, simulate short-circuit signal lines, and features long-lasting transistors that do not generate noise, making it suitable for frequent teaching use.
Smart Images
Figure CN223712304U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to new energy automobile field relates to a new energy automobile simulation teaching device. BACKGROUND
[0002] New energy automobile has a large number of controllers, for example, vehicle body controller, whole vehicle controller, battery management system, and also has a large number of execution components, for example, motor, vehicle light, vehicle window etc. The signal circuit between controller and execution component is laid in the vehicle frame in large quantity, and there are short circuit, open circuit, virtual connection and other conditions of signal circuit, in addition, there are occasional conditions of above-mentioned problems.
[0003] At present, in order to train the practical analysis ability of students to above-mentioned problems, intermediate relay is used to control the interruption of signal circuit, short circuit between signal circuit and power supply and the access resistance, so as to simulate the short circuit, open circuit, virtual connection and other conditions of signal circuit.
[0004] In the use process, it is found that the short connection condition between multiple signal circuits cannot be simulated, in addition, the use of intermediate relay causes that the simulation device is large in size, not easy to move, and the intermediate relay is often damaged after multiple teaching, which affects the normal teaching process. UTILITY MODEL CONTENTS
[0005] In order to overcome the defects in the above-mentioned related technologies, the utility model provides a new energy automobile simulation teaching device. The new energy automobile simulation teaching device comprises: power supply, voltage stabilizing circuit, first switch circuit, first signal output module, second switch circuit, second signal output module and microprocessor. The power supply comprises DC 24V output end. At least two voltage stabilizing circuits are electrically connected with the power supply, and the output voltages of the at least two voltage stabilizing circuits are different. One end of the first switch circuit is electrically connected with the positive output end of the voltage stabilizing circuit. The input end of the first signal output module is electrically connected with the output end of the first switch circuit, and the output end of the first signal output module is electrically connected with the execution component. One end of the second switch circuit is electrically connected with the positive output end of the voltage stabilizing circuit. The input end of the second signal output module is electrically connected with the output end of the second switch circuit, and the output end of the second signal output module is electrically connected with the controller. The microprocessor is electrically connected with the first switch circuit, second switch circuit, first signal output module, second signal output module and the controller.
[0006] Preferably, the new energy automobile simulation teaching device comprises multiple first switch circuits and first signal output modules, one end of each first switch circuit is electrically connected with a corresponding voltage stabilizing circuit, and the other end of the multiple first switch circuits is electrically connected with the first signal output module.
[0007] The first switch circuit comprises a transistor A, the collector of the transistor A is electrically connected with the positive output end of the corresponding voltage stabilizing circuit, the base of the transistor A is electrically connected with the microprocessor, the base of the transistor A is connected with the ground in series with the resistor R2, the emitter of the transistor A is connected with the ground in series with the resistor R1, and the input end of the first signal output module is electrically connected with the emitter of the transistor A.
[0008] Preferably, the first signal output module comprises a transistor B, the base of the transistor B is electrically connected with the microprocessor, the base of the transistor B is connected with the ground in series with the resistor R3, the collector of the transistor B is electrically connected with the input end of the first signal output module in series with the resistor R4, the collector of the transistor B is also electrically connected with the output end of the first signal output module, and the emitter of the transistor B is grounded.
[0009] Preferably, the new energy automobile simulation teaching device comprises a plurality of second switch circuits and a second signal output module, one end of each second switch circuit is electrically connected with a corresponding voltage stabilizing circuit, and the other end of the plurality of second switch circuits is electrically connected with the second signal output module.
[0010] The second switch circuit comprises a transistor C, the collector of the transistor C is electrically connected with the positive output end of the corresponding voltage stabilizing circuit, the base of the transistor C is electrically connected with the microprocessor, the base of the transistor C is connected with the ground in series with the resistor R5, the emitter of the transistor C is connected with the ground in series with the resistor R6, and the input end of the second signal output module is electrically connected with the emitter of the transistor C.
[0011] Preferably, the second signal output module comprises a transistor D, the base of the transistor D is electrically connected with the microprocessor, the base of the transistor D is connected with the ground in series with the resistor R7, the collector of the transistor D is electrically connected with the input end of the second signal output module in series with the resistor R8, the collector of the transistor D is also electrically connected with the output end of the second signal output module, and the emitter of the transistor D is grounded.
[0012] Preferably, the new energy automobile simulation teaching device further comprises an optical coupler, the input end of the optical coupler is electrically connected with the output end of the controller, and the output end of the optical coupler is electrically connected with the microprocessor.
[0013] Preferably, the new energy automobile simulation teaching device further comprises a shell, the power supply, the at least two voltage stabilizing circuits, the plurality of first switch circuits, the plurality of second switch circuits, the plurality of first signal output modules, the plurality of second signal output modules and the microprocessor are fixed in the shell.
[0014] The plurality of wiring terminals are arranged on the shell, the output end of each first signal output module is electrically connected with one wiring terminal, the output end of each second signal output module is electrically connected with one wiring terminal, and the input end of each optoelectronic coupler is electrically connected with one wiring terminal.
[0015] The utility model discloses beneficial effect lies in:
[0016] The utility model discloses adopt first switch circuit, first signal output module, can control whether the control signal and control signal voltage of input to the actuator, simultaneously, adopt second switch circuit, second signal output module, control controller output signal line access low level or high level and control high level voltage. The above -mentioned mode comes the simulation circuit normal, short circuit, open circuit and virtual connection condition.
[0017] The utility model discloses can multichannel signal input, through adjusting control signal voltage, high level voltage can simulate signal line mutual short -circuit condition. DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or related technologies, the following will briefly introduce the drawing needed to be used in the embodiment or related technology description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.
[0019] Fig. 1 It is the circuit diagram of the utility model;
[0020] Fig. 2 It is the first switch circuit and the first signal output module circuit diagram of the utility model;
[0021] Fig. 3 It is the second switch circuit and the second signal output module circuit diagram of the utility model. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the following will combine the drawing in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without making creative labor belong to the range of protection of the utility model.
[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0024] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0025] As Figs. 1 to 3 The utility model provides a new energy automobile simulation teaching device as shown in the figure, the new energy automobile simulation teaching device includes: power supply 1, voltage stabilizing circuit 2, first switching circuit 3, first signal output module 4, second switching circuit 5, second signal output module 6 and microprocessor, power supply 1 includes DC 24V output end, at least two voltage stabilizing circuits 2 are electrically connected with power supply 1, and the output voltage of at least two voltage stabilizing circuits 2 is different, one end of first switching circuit 3 is electrically connected with the positive output end of voltage stabilizing circuit 2, the input end of first signal output module 4 is electrically connected with the output end of first switching circuit 3, and the output end of first signal output module 4 is electrically connected with the executing piece, one end of second switching circuit 5 is electrically connected with the positive output end of voltage stabilizing circuit 2, the input end of second signal output module 6 is electrically connected with the output end of second switching circuit 5, and the output end of second signal output module 6 is electrically connected with the controller, and the microprocessor is electrically connected with first switching circuit 3, second switching circuit 5, first signal output module 4, second signal output module 6 and the controller.
[0026] The new energy automobile simulation teaching device includes a plurality of first switching circuits 3, first signal output modules 4, one end of each first switching circuit 3 is electrically connected with a corresponding voltage stabilizing circuit 2, and the other end of the plurality of first switching circuits 3 is electrically connected with the first signal output module 4.
[0027] The first switch circuit 3 includes a transistor A, the collector of the transistor A is electrically connected with the positive output end of the corresponding voltage stabilizing circuit 2, the base of the transistor A is electrically connected with the microprocessor, the base of the transistor A is connected with the resistance R2 in series and then grounded, the emitter of the transistor A is connected with the resistance R1 in series and then grounded, and the input end of the first signal output module 4 is electrically connected with the emitter of the transistor A.
[0028] The first signal output module 4 includes a transistor B, the base of the transistor B is electrically connected with the microprocessor, the base of the transistor B is connected with the resistance R3 in series and then grounded, the collector of the transistor B is connected with the resistance R4 in series and then electrically connected with the input end of the first signal output module 4, the collector of the transistor B is also electrically connected with the output end of the first signal output module 4, and the emitter of the transistor B is grounded.
[0029] The new energy automobile simulation teaching device includes a plurality of second switch circuits 5 and a second signal output module 6, one end of each second switch circuit 5 is electrically connected with a corresponding voltage stabilizing circuit 2, and the other end of the plurality of second switch circuits 5 is electrically connected with the second signal output module 6.
[0030] The second switch circuit 5 includes a transistor C, the collector of the transistor C is electrically connected with the positive output end of the corresponding voltage stabilizing circuit 2, the base of the transistor C is electrically connected with the microprocessor, the base of the transistor C is connected with the resistance R5 in series and then grounded, the emitter of the transistor C is connected with the resistance R6 in series and then grounded, and the input end of the second signal output module 6 is electrically connected with the emitter of the transistor C.
[0031] The second signal output module 6 includes a transistor D, the base of the transistor D is electrically connected with the microprocessor, the base of the transistor D is connected with the resistance R7 in series and then grounded, the collector of the transistor D is connected with the resistance R8 in series and then electrically connected with the input end of the second signal output module 6, the collector of the transistor D is also electrically connected with the output end of the second signal output module 6, and the emitter of the transistor D is grounded.
[0032] The new energy automobile simulation teaching device further includes an optoelectronic coupler, the input end of the optoelectronic coupler is electrically connected with the output end of the controller, and the output end of the optoelectronic coupler is electrically connected with the microprocessor.
[0033] The new energy automobile simulation teaching device further includes a shell, the power supply 1, the at least two voltage stabilizing circuits 2, the plurality of first switch circuits 3, the plurality of second switch circuits 5, the plurality of first signal output modules 4, the plurality of second signal output modules 6 and the microprocessor are fixed in the shell.
[0034] The plurality of wiring terminals are arranged on the shell, the output end of each first signal output module 4 is electrically connected with a wiring terminal, the output end of each second signal output module 6 is electrically connected with a wiring terminal, and the input end of each photoelectric coupler is electrically connected with a wiring terminal.
[0035] The microprocessor can be a single-chip microcomputer.
[0036] In the utility model, the voltage stabilizing circuit 2 can be two, three or four, the voltage stabilizing circuit 2 can adopt a DC-DC circuit, the output voltage of the voltage stabilizing circuit 2 is 3.3V, 5V, 12V or 24V, wherein the voltage stabilizing circuit 2 with an output voltage of 3.3V supplies power to the microprocessor.
[0037] In the application process, the signal line between the controller and the executing part is cut off, the sending signal end of the controller is electrically connected with the output end of the second signal output module 6 through the wiring terminal, and the receiving signal end of the executing part is electrically connected with the output end of the first signal output module 4 through the wiring terminal.
[0038] The microprocessor controls the on or off state of the first switch circuit 3, the first signal output module 4, the second switch circuit 5 and the second signal output module 6, specifically, when the plurality of first switch circuits 3 and the plurality of second switch circuits 5 are in the off state, the controller and the executing part are in the open circuit state.
[0039] Each first signal output module 4 is electrically connected with a corresponding plurality of first switch circuits 3, and each second signal output module 6 is electrically connected with a corresponding plurality of second switch circuits 5.
[0040] The on or off state of the triode A in the first signal output module 4 can control the receiving signal end of the executing part to be in a high level or a low level, when the triode A is on, the receiving signal end of the executing part is in a low level, and when the triode A is off, the receiving signal end of the executing part is in a high level.
[0041] In addition, the signal output end of the controller is electrically connected with the microprocessor through the photoelectric coupler, the microprocessor receives the signal state of the signal output end of the controller and outputs a high level or a low level to the signal output end of the controller and the receiving signal end of the executing part according to requirements.
[0042] Specifically, when the controller signal output end outputs a high level signal, the microprocessor corresponding to the execution piece receiving signal end outputs a high level signal of the same voltage, and it is judged that the signal circuit between the controller and the execution piece is normal.
[0043] The microprocessor continuously outputs a high level signal to the controller and the execution piece, and it can be judged that the signal circuit between the controller and the execution piece is short-circuited with the positive pole of the power supply 1 or a high level output.
[0044] When the controller signal output end outputs a high level signal, the microprocessor corresponding to the execution piece receiving signal end outputs a low voltage high level signal, and it is judged that the signal circuit between the controller and the execution piece is virtual.
[0045] When the controller signal output end outputs a high level signal, the microprocessor corresponding to the execution piece and other execution piece receiving signal end outputs a low voltage high level signal, and it can be judged that the two signal lines between the controller and the execution piece are short-circuited.
[0046] The utility model discloses a structure is small, is suitable for carrying to the teaching car side and carries out the experiment, adopts triode etc. simultaneously, and the service life is longer, and is suitable for teaching frequently uses, in addition, the utility model discloses will not like the middle relay produce bigger noise, is favorable to the explanation in teaching.
[0047] In the description of the present specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.
[0048] The above is only the specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of the change or replacement within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited by the protection scope of the claims.
Claims
1. A new energy vehicle simulation teaching device, characterized in that, The new energy vehicle simulation teaching device comprises a power supply, a plurality of voltage stabilizing circuits, a plurality of first switch circuits, a plurality of second switch circuits, a plurality of first signal output modules, a plurality of second signal output modules and a microprocessor. The power supply comprises a DC 24V output end. The voltage stabilizing circuits are electrically connected to the power supply, and the output voltages of the voltage stabilizing circuits are different. One end of the first switch circuit is electrically connected to the positive output end of the voltage stabilizing circuit. The input end of the first signal output module is electrically connected to the output end of the first switch circuit, and the output end of the first signal output module is electrically connected to an execution member. One end of the second switch circuit is electrically connected to the positive output end of the voltage stabilizing circuit. The input end of the second signal output module is electrically connected to the output end of the second switch circuit, and the output end of the second signal output module is electrically connected to a controller. The microprocessor is electrically connected to the first switch circuit, the second switch circuit, the first signal output module, the second signal output module and the controller.
2. The new energy vehicle simulation teaching device according to claim 1, characterized in that, The new energy vehicle simulation teaching device comprises a plurality of first switch circuits and a plurality of first signal output modules. The first switch circuit comprises a transistor A, the collector of the transistor A is electrically connected to the positive output end of the corresponding voltage stabilizing circuit, the base of the transistor A is electrically connected to the microprocessor, the base of the transistor A is connected to the ground in series with a resistor R2, the emitter of the transistor A is connected to the ground in series with a resistor R1, and the input end of the first signal output module is electrically connected to the emitter of the transistor A.
3. The new energy vehicle simulation teaching device according to claim 2, characterized in that, The first signal output module comprises a transistor B, the base of the transistor B is electrically connected to the microprocessor, the base of the transistor B is connected to the ground in series with a resistor R3, the collector of the transistor B is connected to the input end of the first signal output module in series with a resistor R4, the collector of the transistor B is also electrically connected to the output end of the first signal output module, and the emitter of the transistor B is connected to the ground.
4. The new energy vehicle simulation teaching device according to claim 3, characterized in that, The new energy vehicle simulation teaching device comprises a plurality of second switch circuits and a plurality of second signal output modules. The second switch circuit comprises a transistor C, the collector of the transistor C is electrically connected to the positive output end of the corresponding voltage stabilizing circuit, the base of the transistor C is electrically connected to the microprocessor, the base of the transistor C is connected to the ground in series with a resistor R5, the emitter of the transistor C is connected to the ground in series with a resistor R6, and the input end of the second signal output module is electrically connected to the emitter of the transistor C.
5. The new energy vehicle simulation teaching device according to claim 4, characterized in that, The second signal output module comprises a triode D, the base of the triode D is electrically connected with the microprocessor, the base of the triode D is connected with the ground in series with the resistor R7, the collector of the triode D is electrically connected with the input end of the second signal output module in series with the resistor R8, the collector of the triode D is also electrically connected with the output end of the second signal output module, and the emitter of the triode D is grounded.
6. The new energy vehicle simulation teaching device according to claim 5, characterized in that, The new energy automobile simulation teaching device further comprises a photoelectric coupler, an input end of the photoelectric coupler is electrically connected with an output end of the controller, and an output end of the photoelectric coupler is electrically connected with the microprocessor.
7. The new energy vehicle simulation teaching device according to claim 6, characterized in that, The new energy automobile simulation teaching device further comprises a shell, the power supply, the at least two voltage stabilizing circuits, the plurality of first switch circuits, the plurality of second switch circuits, the plurality of first signal output modules, the plurality of second signal output modules and the microprocessor are fixed in the shell. A plurality of wiring terminals are arranged on the shell, the output end of each first signal output module is electrically connected with one wiring terminal, the output end of each second signal output module is electrically connected with one wiring terminal, and the input end of each photoelectric coupler is electrically connected with one wiring terminal.