CN212659215U - Motor teaching device - Google Patents
Motor teaching device Download PDFInfo
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- CN212659215U CN212659215U CN202020550859.0U CN202020550859U CN212659215U CN 212659215 U CN212659215 U CN 212659215U CN 202020550859 U CN202020550859 U CN 202020550859U CN 212659215 U CN212659215 U CN 212659215U
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- motor
- conversion circuit
- control board
- sensor
- electric parameters
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Abstract
The utility model discloses a motor teaching device, wherein a motor controller of the teaching device drives a motor to be in different states according to the states of a gear shift switch, a brake pedal and an accelerator pedal; a sensor is arranged on the motor; the sensor is connected with the control board, a data measurement panel is arranged between the output end of the sensor and the input end of the AD conversion circuit of the control board, and students can use the multimeter to measure various types of electric parameters of the motor through the data measurement panel; the sensor inputs the received electric parameters of the motor into the AD conversion circuit of the control board, the AD conversion circuit converts the electric parameters and then respectively accesses the electric parameters and the register of the control board into the input end of the comparator, and after comparison of the electric parameters and the register of the control board by the comparator, the alarm lamp is turned on or turned off according to the comparison value, so that students can visually know the alarm state of the motor. The sensor outputs the electric parameters of the motor in operation to the control panel, and the control panel is communicated with the touch screen, so that the touch screen can display the electric parameters of the motor in operation.
Description
Technical Field
The utility model relates to a laboratory field, concretely relates to motor teaching device.
Background
The existing motor teaching device cannot detect the motor data in operation, and students cannot visually know the alarm state of the motor and are not beneficial to learning.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a motor teaching device.
The utility model discloses a motor teaching device, include:
a motor;
a shift switch configured to adjust a gear of the motor;
a brake pedal configured to reduce a rotation speed of the motor;
an accelerator pedal configured to increase a rotational speed of the motor;
a motor controller configured to adjust an operation state of the motor according to states of the shift switch, the brake pedal, and the accelerator pedal;
the sensor is used for acquiring the electric parameters of the motor;
the control panel comprises a first communication interface, an AD conversion circuit, a comparator and a register;
the touch screen comprises a second communication interface, the second communication interface of the touch screen is in communication connection with the first communication interface of the control board, and the touch screen is used for displaying a conversion value of the AD conversion circuit of the control board;
the alarm lamp is connected with the output end of the comparator of the control panel;
a data measurement panel including at least one pair of terminals configured to be connected in parallel with an input terminal of the AD conversion circuit of the control board;
the sensor outputs the acquired electric parameters of the motor to the input end of the AD conversion circuit of the control board, the AD conversion circuit converts the electric parameters of the motor and the register of the control board are respectively connected to the input end of the comparator, and the alarm lamp is turned on or turned off according to the comparison value after the comparison of the comparator.
Preferably, the apparatus further comprises:
and the main switch is used for supplying power to the device.
Preferably, the apparatus further comprises:
a table indicator configured to display a powered state of the apparatus; and
and the emergency stop switch is configured to stop the driving motor.
Preferably, the electrical quantity comprises:
the rotation speed of the motor;
the torque of the motor; and
the temperature of the motor.
Preferably, the apparatus further comprises:
the rack is used for fixing and wrapping the control panel; and
the brake pedal, the accelerator pedal, and the shift switch are fixed and supported.
Preferably, the gantry further comprises:
the panel is used for fixing the motor, the motor controller, the sensor, the touch screen, the main switch, the workbench indicator lamp and the emergency stop switch; and
the caster comprises a locking bolt and is fixed at the bottom of the rack;
wherein the stand is configured to be moveable in response to the deadbolt of the caster being toggled to an unlocked position, and to be secured in place in response to the deadbolt of the caster being toggled to a locked position.
The embodiment of the utility model drives the motor to be in different states through the states of the gear shift switch, the brake pedal and the accelerator pedal; a sensor is arranged on the motor; the output end of the sensor is connected with the input end of the AD conversion circuit of the control panel, a data measurement panel is arranged between the output end of the sensor and the input end of the AD conversion circuit of the control panel, and students can use a universal meter to measure various types of electric parameters of the motor through the data measurement panel; the sensor inputs the received electric parameters of the motor to the input end of the AD conversion circuit of the control panel, the AD conversion circuit converts the electric parameters and then respectively accesses the electric parameters and the register of the control panel to the input end of the comparator, and after comparison of the electric parameters and the register of the control panel by the comparator, the alarm lamp is turned on or turned off according to the comparison value, so that students can visually know the alarm state of the motor. The sensor outputs the electric parameters of the motor in operation to the control panel, and the control panel is communicated with the touch screen, so that the touch screen can display the electric parameters of the motor in operation.
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 a schematic structural diagram of a motor teaching device according to an embodiment of the present invention;
fig. 2 is a block diagram of a motor teaching device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a control panel according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an alarm system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a motor operation parameter monitoring system according to an embodiment of the present invention.
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.
Meanwhile, it should be understood that, in the following description, a "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or element/circuit is referred to as being "connected between" two nodes, it may be directly coupled or connected to the other element or intervening elements may be present, and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled" or "directly connected" to another element, it is intended that there are no intervening elements present.
Unless the context clearly requires otherwise, throughout the description, 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.
Fig. 1 is the utility model discloses motor teaching device's schematic structure diagram. Fig. 2 is a block diagram of the embodiment of the utility model provides a motor teaching device. As shown in fig. 1 and 2, the motor teaching apparatus includes: the device comprises a motor 1, a sensor 2, a motor controller 3, a control panel 4, a touch screen 5, a data measurement panel 6, a brake pedal 7, an accelerator pedal 8, a gear shift switch 9, a work indicator lamp 12, an emergency stop switch 13, a main switch 14, a rack 100 and a panel 101.
The electric machine 1 is used to simulate the operating state of a motor vehicle. By observing the rotation state of the motor 1, students can visually check the actual condition of the operation of the motor 1. The sensors 2 are used to detect parameters of the electric machine 1 during operation, such as: collecting the bus voltage of the motor, the temperature of the motor and the rotating speed of the motor. The motor controller 3 is used to drive the motor 1 in different operating states.
The control board 4 is used for receiving the parameters of the motor collected by the sensor 2. In particular, the control board 4 is able to receive the parameters acquired by the different types of sensors.
The touch screen 5 is in communication connection with the controller 4. Specifically, the sensor 2 receives parameters of the motor, the sensor 2 outputs the electrical parameters to the controller 4, the controller 4 converts the electrical parameters and outputs the converted electrical parameters to the touch screen, and the touch screen can display the electrical parameters.
The data measuring board 6 is arranged on the panel 101, and is convenient for students to measure specific voltage signals or current signals.
The brake pedal 7 is used to reduce the rotational speed of the motor 1. The accelerator pedal 8 is used to increase the rotational speed of the motor 1. The shift switch 9 is used to shift different gears. The brake pedal 7, the accelerator pedal 8 and the shift switch 9 are connected with the motor controller 3, and the motor controller 3 drives the motor to rotate at a corresponding speed according to the current brake pedal 7, the accelerator pedal 8 and the shift switch 9.
A main switch 14 is mounted on the panel 101 for turning on and off the power supply of the motor teaching device. The work indicator light 12 is mounted on the panel 101 for indicating the charged state of the motor teaching device. An emergency stop switch 13 is mounted on the panel 101 for disconnecting the battery pack 2 from the motor 1 in case of emergency.
The stage 100 is made of metal. The stand 100 is a cube with a door provided on one side of the cube. By disposing the control board 4 in the stage 100, the metal material can shield the control board 4 from external electromagnetic signals. Casters 102 are provided at the bottom of the gantry 100 to facilitate movement of the gantry 100. The casters 102 are provided with locking pins, and the casters 102 are fixed to the bottom of the table 100. The latch of caster 102 is depressed and caster 102 is in the locked position. All casters 102 are in a locked position to allow the gantry 100 to rest on the floor, where the gantry 100 cannot be easily moved. If it is desired to move the gantry 100, the gantry 100 can be moved by simply lifting the deadbolt on all of the casters 102. The upper portion of the stage 100 is provided with a panel 101. The panel 101 is a plate material having a certain thickness, and the panel 101 is made of a metal material. The metal material is strong, durable, and easily drilled thereon. The panel 101 is used for fixing the motor 1, the motor controller 3, the touch screen 5, the main switch 14, the work indicator lamp 12, the emergency stop switch 13 and the data measurement panel 6. At the front of panel 101, the student can observe the running state of motor teaching device, and at the panel 101 back, the student can also observe the mounting means of motor 1, motor controller 3, touch-sensitive screen 5, master switch 14, work pilot lamp 12, scram switch 13 and data measurement panel 6. With the help of tools, the student can conveniently detach the motor controller 3, the touch screen 5, the main switch 14, the work indicator lamp 12 and the emergency stop switch 13 from the panel 101, which is beneficial for the student to observe the components in a closer distance.
Fig. 3 is a schematic structural diagram of a control panel according to an embodiment of the present invention.
As shown in fig. 3, the control board 4 is provided with a first communication interface 41, an AD conversion circuit 42, a comparator 43, and a register (not shown in the figure). The first communication interface 41 is capable of communicative connection with other devices. The control panel 4 is further provided with an AD conversion circuit 42, the AD conversion circuit 42 can convert an analog signal into a digital signal, and the digital signal is conveniently displayed on a visualization device, and in combination with fig. 2, the touch screen 5 shown in fig. 2 is a visualization device.
The AD conversion circuit of the controller 4 may receive the electrical quantities of the sensor and convert these electrical quantities into digital quantities. The comparator 43 includes at least two input terminals and an output terminal, and outputs a high level or a low level at the output terminal according to a comparison result at the input terminals. For example, an input terminal of the AD conversion circuit 42 is used to receive the temperature value of the sensor, a register is used to preset a value, an output terminal of the AD conversion circuit 42 is connected to one input terminal of the comparator 43, and the register is connected to the other input terminal of the comparator 43, so that a high level or a low level can be output at the output terminal of the comparator 43 according to the comparison result.
The AD conversion circuit 42 and the comparator 43 can compare the electric parameters input by the peripheral circuit, and the comparison result of the comparator 43 is used for alarm prompt.
Fig. 4 is a schematic diagram of an alarm system according to an embodiment of the present invention. Fig. 4 shows the connection relationship of the control panel 4, the sensor 2, the data measuring panel 2, the alarm indicator light 10 and the button 11, which is used for displaying how alarm information is generated and prompting students in a visual manner.
The sensor 2 acquires an operating parameter of the motor, for example, an operating temperature of the motor using a temperature sensor. The output terminal of the sensor 2 is connected to the input terminal of the AD conversion circuit 42. The AD conversion circuit converts the voltage or current signal output by the sensor into a digital quantity. The alarm threshold value is prestored in the register 44 of the control board 4. The controller 4 is provided with a comparator 43, an a terminal of an input terminal of the comparator 43 receives the digital quantity converted by the AD conversion circuit, and a B terminal of the other input terminal of the comparator 43 receives an alarm threshold value stored in the register 44 in advance. The button 11 is used to drive the comparator 43 into the active state. When the comparator 43 enters the working state, it detects that the digital quantity at the a terminal is greater than the digital quantity at the B terminal, and outputs a high level at the output terminal C of the comparator 43. The alarm indicator lamp 10 is connected to the output C of the comparator 43. The output end C of the comparator 43 outputs high level to drive the alarm indicator lamp 10 to light; the output end C of the comparator 43 outputs low level to drive the alarm indicating lamp 10 to be turned off. The student observes that alarm indicator lights up, learns, and the temperature value that sensor 2 acquireed this moment is higher to use the terminal that universal meter measured data measurement panel 6 corresponds, compare the value that will measure and the temperature range that the motor normally worked, thereby learn the temperature anomaly of motor operation. In order to facilitate the measurement of the student using the multimeter, the input terminal of the AD conversion circuit 42 (also the output terminal of the sensor 2) is connected in parallel to the corresponding terminal of the data measurement panel 6.
In order to avoid that the motor is in a temperature abnormal state for a long time during student experiments, in an alternative implementation mode, a plurality of registers may be set, and a lower second alarm threshold value is stored in other registers. For example, a second register is provided, and the second register is connected to the terminal B of the comparator 43 through a second button. As long as the motor operating temperature received by the sensor 2 is greater than the second alarm threshold value in the second register, the second button is turned on, so that the output terminal C of the comparator 43 outputs a high level, and the alarm indicator lamp 10 is driven to light. The student observes that alarm indicator lights up, learns, and the temperature value that sensor 2 acquireed this moment is higher to use the terminal that universal meter measured data measurement panel 6 corresponds, carry out the comparison with the temperature range of the normal work of motor with the value that measures, thereby learn the temperature ratio of motor operation than higher.
Through setting up second register and second button, store a lower second warning threshold value in the second register, the second button drive comparator gets into operating condition to make alarm indicator light, also can guide the student to measure the motor temperature, judge the warning source.
In the same way, the temperature sensor can be replaced by other types of sensors to monitor other types of motor alarm states.
In order to enable the student to observe the operation parameters of the motor acquired by the sensor on the motor teaching device, such as the temperature, the rotating speed and the torque of the motor, the embodiment uses the touch screen to display the operation parameters of the motor. The operating parameters of the motor cannot be directly displayed on the touch screen. The sensors, control panel 4 and touch screen need to be connected to display these operating parameters on the touch screen.
Fig. 5 is a schematic diagram of a motor operation parameter monitoring system according to an embodiment of the present invention.
In order to enable students to observe the temperature, the rotating speed and the torque of the motor on the touch screen, a sensor 2, a control panel 4 and a touch screen 5 are arranged. The sensor 2 is used to obtain an electrical parameter of the motor, such as a temperature of the motor, a rotation speed of the motor, and a dc bus voltage of the motor (a torque of the motor can be calculated according to the dc bus voltage and the rotation speed of the motor). The electric parameter acquired by the sensor is output to an input terminal of an AD conversion circuit of the controller 4. The control panel 4 is provided with a first communication interface 41, and the touch screen 5 is provided with a second communication interface 51. The first communication interface 41 and the second communication interface 42 are connected using a communication cable so that the control board 4 and the touch screen 5 can communicate. The control board 4 displays the digital value converted by the AD conversion circuit by a program unique to the touch panel 5. Students can observe the temperature, the rotating speed and the torque of the motor on the touch screen.
The embodiment of the utility model drives the motor to be in different states through the states of the gear shift switch, the brake pedal and the accelerator pedal; a sensor is arranged on the motor; the output end of the sensor is connected with the input end of the AD conversion circuit of the control panel, a data measurement panel is arranged between the output end of the sensor and the input end of the AD conversion circuit of the control panel, and students can use a universal meter to measure various types of electric parameters of the motor through the data measurement panel; the sensor inputs the received electric parameters of the motor to the input end of the AD conversion circuit of the control panel, the AD conversion circuit converts the electric parameters and then respectively accesses the electric parameters and the register of the control panel to the input end of the comparator, and after comparison of the electric parameters and the register of the control panel by the comparator, the alarm lamp is turned on or turned off according to the comparison value, so that students can visually know the alarm state of the motor. The sensor outputs the electric parameters of the motor in operation to the control panel, and the control panel is communicated with the touch screen, so that the touch screen can display the electric parameters of the motor in operation.
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 (6)
1. The utility model provides a motor teaching device which characterized in that, motor teaching device includes:
a motor;
a shift switch configured to adjust a gear of the motor;
a brake pedal configured to reduce a rotation speed of the motor;
an accelerator pedal configured to increase a rotational speed of the motor;
a motor controller configured to adjust an operation state of the motor according to states of the shift switch, the brake pedal, and the accelerator pedal;
the sensor is used for acquiring the electric parameters of the motor;
the control panel comprises a first communication interface, an AD conversion circuit, a comparator and a register;
the touch screen comprises a second communication interface, the second communication interface of the touch screen is in communication connection with the first communication interface of the control board, and the touch screen is used for displaying a conversion value of the AD conversion circuit of the control board;
the alarm lamp is connected with the output end of the comparator of the control panel;
a data measurement panel including at least one pair of terminals configured to be connected in parallel with an input terminal of the AD conversion circuit of the control board;
the sensor is used for outputting the acquired electric parameters of the motor to the input end of the AD conversion circuit of the control board, the AD conversion circuit is used for converting the electric parameters of the motor, the AD conversion circuit and the register of the control board are respectively connected to the input end of the comparator, and the comparator is used for comparing the AD conversion circuit with the register of the control board and then lighting or extinguishing the alarm lamp according to a comparison value.
2. The apparatus of claim 1, further comprising:
and the main switch is used for supplying power to the device.
3. The apparatus of claim 2, further comprising:
a table indicator configured to display a powered state of the apparatus; and
and the emergency stop switch is configured to stop the driving motor.
4. The apparatus of claim 1, wherein the electrical quantity of the motor comprises:
the rotation speed of the motor;
the torque of the motor; and
the temperature of the motor.
5. The apparatus of claim 3, further comprising:
the rack is used for fixing and wrapping the control panel; and
the brake pedal, the accelerator pedal, and the shift switch are fixed and supported.
6. The apparatus of claim 5, wherein the gantry further comprises:
the panel is used for fixing the motor, the motor controller, the sensor, the touch screen, the main switch, the workbench indicator lamp and the emergency stop switch; and
the caster comprises a locking bolt and is fixed at the bottom of the rack;
wherein the stand is configured to be moveable in response to the deadbolt of the caster being toggled to an unlocked position, and to be secured in place in response to the deadbolt of the caster being toggled to a locked position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020550859.0U CN212659215U (en) | 2020-04-14 | 2020-04-14 | Motor teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020550859.0U CN212659215U (en) | 2020-04-14 | 2020-04-14 | Motor teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212659215U true CN212659215U (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020550859.0U Active CN212659215U (en) | 2020-04-14 | 2020-04-14 | Motor teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212659215U (en) |
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2020
- 2020-04-14 CN CN202020550859.0U patent/CN212659215U/en active Active
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