CN214253595U

CN214253595U - DC motor rotating speed control training board

Info

Publication number: CN214253595U
Application number: CN202120176064.2U
Authority: CN
Inventors: 马伟; 刘克荣; 张伟丰; 闫勇; 樊勇杰; 陈立辉
Original assignee: Guangdong Win Win Educational Technology Co ltd; Puning Vocational And Technical School Puning Adult Secondary Vocational School
Current assignee: Guangdong Win Win Educational Technology Co ltd; Puning Vocational And Technical School Puning Adult Secondary Vocational School
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-21
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a real standard board of direct current motor rotational speed control relates to real standard equipment field, including real standard mainboard, rotational speed/speed of a motor vehicle demonstration switch button, speed governing knob, direct current motor, charactron and back control circuit module, install on the front side face of real standard mainboard direct current motor with the charactron, the charactron sets up direct current motor's below, the back of real standard mainboard is provided with back control circuit module, the real standard mainboard of charactron below has set gradually GND ground terminal, OUT detection terminal, PWM detection terminal, 7-12V power supply terminal from the left hand right side on with rotational speed/speed of a motor demonstration switch button. Has the advantages that: let the student observe DC motor wave form parameter to observe its change through adjusting the rotational speed, help the student to go deep more audio-visual understanding DC motor's performance parameter change, make things convenient for the student to look over at any time, improve student's interest in learning.

Description

DC motor rotating speed control training board

Technical Field

The utility model relates to a real standard equipment field of direct current motor specifically is to relate to real standard board of direct current motor rotational speed control.

Background

The structure of the direct current motor is composed of a stator and a rotor, the stationary part of the direct current motor is called the stator when the direct current motor operates, the stator mainly has the function of generating a magnetic field and is composed of a machine base, a main magnetic pole, a commutating pole, an end cover, a bearing, an electric brush device and the like, the rotating part when the direct current motor operates is called the rotor, the main function of the device is to generate electromagnetic torque and induce electromotive force, which is a pivot for energy conversion of a direct current motor, so it is also called armature, and is composed of rotating shaft, armature core, armature winding, commutator and fan, most of performance parameters and change indexes of the device are explained and given in class by teachers in the current teaching work, problems generated by students in class during review cannot be solved, the study enthusiasm of the students is greatly reduced, and students cannot test all parameters of the three-phase motor, so that the three-phase motor driving practical training device is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a real standard board of direct current motor speed control just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

real board of instructing of direct current motor speed control, including real mainboard of instructing, rotational speed/speed of a motor vehicle demonstration switch button, speed governing knob, direct current motor, charactron and back control circuit module, install on the front side face of real mainboard direct current motor with the charactron, the charactron sets up the below of direct current motor, the back of real mainboard of instructing is provided with back control circuit module, GND ground terminal, OUT detection terminal, PWM detection terminal, 7-12V power supply terminal and rotational speed/speed of a motor vehicle demonstration switch button have set gradually from left to right on the real mainboard of instructing of charactron below, the rotational speed/speed of a motor vehicle demonstration switch button upper right install on the real mainboard of instructing the speed governing knob, rotational speed/speed of a motor vehicle demonstration switch button the speed governing knob, direct current motor, speed governing knob, The nixie tubes are connected with the back control circuit module in a communication mode.

Further, a circuit principle marking area for marking a principle circuit is arranged on the training main board on the right side of the direct current motor, and a subject identification area for identifying a subject is arranged on the top of the front side plate surface of the training main board.

Furthermore, the back control circuit module is controlled by an STM8S003F3P6 single chip microcomputer, and a rotating speed signal unit and a proportional operation unit are arranged on the back control circuit module.

Furthermore, a wire hole is formed in the training main board below the direct current motor, a motor wire is inserted in the wire hole, and the direct current motor is connected to the back control circuit module through the motor wire.

Furthermore, a 7-12V power supply positive line is externally connected with the 7-12V power supply terminal, an oscilloscope is externally connected with both the OUT detection terminal and the PWM detection terminal, and a 4-bit nixie tube is used as the nixie tube.

In the structure, the GND grounding terminal is a grounding terminal, the OUT detection terminal is used for measuring and measuring the waveform of a rotating speed signal of the direct current motor, the PWM detection terminal is used for measuring and measuring the waveform of a control signal of the direct current motor, the rotating speed/vehicle speed display switching key switches and displays the rotating speed/vehicle speed of the direct current motor, the rotating speed of the direct current motor is adjusted by the rotation of the speed adjusting knob, the power supply adopts DC12V, the circuit is input into the single chip microcomputer by adjusting the voltage of the adjustable resistor, the signal is processed by the A/D conversion of the single chip microcomputer, and the digital quantity is output to control the field effect tube driving motor and is provided with digital quantity output detection.

Has the advantages that: the utility model discloses a real standard board of direct current motor rotational speed control can let the student observe the direct current motor waveform parameter of running state to observe its change through regulating speed, help the student to go deep more audio-visual understanding direct current motor's performance parameter change, make things convenient for the student to look over at any time, improve student's interest in learning.

Drawings

Fig. 1 is a plan view of a dc motor rotation speed control training plate of the present invention;

FIG. 2 is an enlarged schematic view of a circuit principle marking area of the DC motor rotation speed control training plate of the present invention;

fig. 3 is a circuit control module circuit diagram of the dc motor speed control training board of the present invention.

The reference numerals are explained below:

1. a training main board; 2. a GND ground terminal; 3. an OUT detection terminal; 4. a PWM detection terminal; 5. a 7-12V power supply terminal; 6. a rotating speed/vehicle speed display switching key; 7. a speed regulation knob; 8. a circuit principle marking area; 9. a direct current motor; 10. a nixie tube; 11. a motor lead; 12. a topic identification area; 13. mounting screws; 14. a rotational speed signal unit; 15. and a proportional operation unit.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-3, the dc motor rotation speed control training board includes a training mainboard 1, a rotation speed/vehicle speed display switching button 6, a speed control knob 7, a dc motor 9, a nixie tube 10 and a back control circuit module;

a direct current motor 9 and a nixie tube 10 are mounted on the front side plate surface of the practical training mainboard 1, the nixie tube 10 is arranged below the direct current motor 9, and the back of the practical training mainboard 1 is provided with the back control circuit module;

the practical training mainboard 1 below the nixie tube 10 is sequentially provided with a GND grounding terminal 2, an OUT detection terminal 3, a PWM detection terminal 4, a 7-12V power supply terminal 5 and a rotating speed/vehicle speed display switching button 6 from left to right, the practical training mainboard 1 above the rotating speed/vehicle speed display switching button 6 is provided with a speed regulating knob 7, and the rotating speed/vehicle speed display switching button 6, the speed regulating knob 7, a direct current motor 9 and the nixie tube 10 are all in communication connection with the back control circuit module.

In this embodiment, a circuit principle marking area 8 for marking a principle circuit is arranged on the training main board 1 on the right side of the dc motor 9, and a problem identification area 12 for identifying a problem is arranged on the top of the front side plate surface of the training main board 1.

In this embodiment, the back control circuit module is controlled by using an STM8S003F3P6 single chip microcomputer, and a rotation speed signal unit 14 and a proportional operation unit 15 are arranged on the back control circuit module.

In this embodiment, a wire hole is formed in the training main board 1 below the dc motor 9, a motor wire 11 is inserted into the wire hole, and the dc motor 9 is connected to the back control circuit module through the motor wire 11.

In this embodiment, the 7-12V power supply terminal 5 is externally connected with a 7-12V power supply positive line, the OUT detection terminal 3 and the PWM detection terminal are externally connected with an oscilloscope, and the nixie tube 10 uses a 4-bit nixie tube.

And mounting screws 13 are mounted at four corners of the practical training main board 1.

In the structure, the control module is controlled based on 8S103F2, the GND grounding terminal 2 is a grounding terminal, the OUT detection terminal 3 is used for measuring and measuring the waveform of a direct current motor rotating speed signal, the PWM detection terminal 4 is used for measuring and measuring the waveform of a direct current motor control signal, the rotating speed/vehicle speed display switching key 6 switches and displays the rotating speed/vehicle speed of the direct current motor, the rotating speed of the direct current motor is adjusted by the speed adjusting knob 7 in a rotating mode, the power supply adopts DC12V, the circuit is input to the single chip microcomputer through adjusting the voltage of the adjustable resistor, the single chip microcomputer A/D conversion signal processing is carried OUT, the digital quantity is output to control the field effect tube driving motor, and digital quantity output detection is provided.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Real board of instructing of direct current motor speed control, including real mainboard of instructing, rotational speed/speed of a motor vehicle demonstration switch button, speed governing knob, direct current motor, charactron and back control circuit module, its characterized in that: install on the front side face of real standard mainboard direct current motor with the charactron, the charactron sets up direct current motor's below, the back of real standard mainboard is provided with back control circuit module, the real standard mainboard of charactron below has set gradually GND ground terminal, OUT detection terminal, PWM detection terminal, 7-12V power supply terminal from left to right on the real standard mainboard and rotational speed/speed of a motor vehicle show and switch the button, rotational speed/speed of a motor vehicle show and switch the button upper right install on the real standard mainboard the speed governing knob, rotational speed/speed of a motor vehicle show switch the button the speed governing knob direct current motor the charactron all with back control circuit module communication links together.

2. The direct current motor rotating speed control practical training board according to claim 1, characterized in that: the practical training main board on the right side of the direct current motor is provided with a circuit principle marking area for marking a principle circuit, and the top of the front side plate surface of the practical training main board is provided with a subject identification area for identifying a subject.

3. The direct current motor rotating speed control practical training board according to claim 1, characterized in that: the back control circuit module is controlled by an STM8S003F3P6 single chip microcomputer, and a rotating speed signal unit and a proportional operation unit are arranged on the back control circuit module.

4. The direct current motor rotating speed control practical training board according to claim 1, characterized in that: the practical training main board below the direct current motor is provided with a wire hole, a motor wire is inserted in the wire hole, and the direct current motor is connected to the back control circuit module through the motor wire.

5. The direct current motor rotating speed control practical training board according to claim 1, characterized in that: the 7-12V power supply terminal is externally connected with a 7-12V power supply positive line, the OUT detection terminal and the PWM detection terminal are externally connected with oscilloscopes, and the nixie tube is a 4-bit nixie tube.