CN211969178U

CN211969178U - Speed regulating device

Info

Publication number: CN211969178U
Application number: CN202020134765.5U
Authority: CN
Inventors: 许燕; 崔渊; 黄成�; 周扣娟; 高倩; 戴霞娟; 王云松; 张丽
Original assignee: Jiangsu University of Technology
Current assignee: Jiangsu University of Technology
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-11-20
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a speed adjusting device, including button module, control module, drive module, speed measuring module and alarm module, wherein, the button module includes at least one button, the one end ground connection of button, the other end connection control module's of button input for adjust motor speed, control module connects the button module, according to button module output information control drive module work, drive module's input is connected control module, drive module driving motor work, speed measuring module connects the motor, will the rotational speed transmission of motor gives control module, alarm module connects control module works as the rotational speed of motor surpasss the threshold value, alarm module works. When the speed of a motor vehicle surpassed safe speed of a motor vehicle, can remind the user to adjust the speed of a motor vehicle through alarm module, the utility model provides the high security performance of electric motor car.

Description

Speed regulating device

Technical Field

The utility model relates to a speed governing field, concretely relates to speed adjusting device.

Background

In order to provide convenience for people's trips, various vehicles come out in sequence, the electric vehicle is pasted with green, environment-friendly and portable labels nowadays, the electric vehicle has the advantages of light weight, no noise and clean energy, so that the electric vehicle becomes a travel tool selected by most people, wind energy, solar energy and the like can be converted into electric energy to supply power for the electric vehicle, the electric vehicle is popular with people easily in price and application range, but in the prior art, the safety performance of the electric vehicle is not very high, if the electric vehicle speed regulation system is damaged, the electric vehicle driver can still continuously accelerate the electric vehicle through keys, and when the rotating speed of the electric vehicle exceeds the safe vehicle speed, the user can not be reminded in time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a when solving among the prior art electric motor car speed and surpassing safe speed of a motor vehicle, can not in time remind user's problem, provide a speed adjusting device, when the speed of a motor vehicle surpassed safe speed of a motor vehicle, can in time remind the user.

The utility model adopts the technical proposal that:

a governor device, comprising:

the key module comprises at least one key, one end of the key is grounded, and the other end of the key is connected with the input end of the control module and used for adjusting the rotating speed of the motor;

the control module is connected with the key module and controls the driving module to work according to the output information of the key module;

the input end of the driving module is connected with the control module, and the driving module drives the motor to work;

the speed measuring module is connected with the motor and transmits the rotating speed of the motor to the control module;

and the alarm module is connected with the control module, and works when the rotating speed of the motor exceeds a threshold value.

Further, the driving module comprises at least one driving circuit, the driving circuit comprises a driving chip U2, the IN1 end and the IN2 end of the driving chip U2 are respectively connected with the output end of the control module, and the output end OUT1 end and the output end OUT2 end of the driving chip U2 are respectively connected with the input end of the motor.

Further, the speed measuring module comprises at least one speed measuring circuit, the speed measuring circuit comprises a groove-shaped photoelectric switch U3, a triode Q1, a resistor R4, a resistor R5, a resistor R6 and a resistor R7, the first end of the groove-shaped photoelectric switch U3 is connected with a power supply through the resistor R5, the second end of the groove-shaped photoelectric switch U3 is grounded, the third end of the groove-shaped photoelectric switch U3 is connected with the power supply through the resistor R6, meanwhile, the third end of the groove-shaped photoelectric switch U3 is connected with the base of the triode Q1 through the resistor R7, the collector of the triode Q1 is connected with the power supply through the resistor R4, meanwhile, the collector of the triode Q1 is connected with the input end of the control module, the emitter of the triode Q1 is grounded, and the fourth end of the groove-shaped photoelectric switch U3 is grounded.

Further, the alarm module comprises a triode Q2, a resistor R8 and a buzzer, the base electrode of the triode Q2 is connected with the output end of the control module through the resistor R8, the emitting electrode of the triode Q2 is connected with a power supply through the buzzer, and the collector electrode of the triode Q2 is grounded.

Furthermore, the speed regulating device also comprises a display module, the display module is connected with the control module, and the display module is used for displaying the rotating speed of the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a speed adjusting device includes button module, control module, drive module, speed measuring module and alarm module, when the current speed of a motor vehicle surpassed the safe speed of a motor vehicle, can remind the user to adjust the speed of a motor vehicle through alarm module, when having solved among the prior art electric motor car and appearing the hypervelocity, can not in time remind user's problem, the utility model provides a speed adjusting device security performance is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic block diagram of a speed adjusting device according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a key module according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a control module according to an embodiment of the present invention;

fig. 4 is a circuit diagram of a driving module according to an embodiment of the present invention;

fig. 5 is a circuit diagram of a speed measuring module according to an embodiment of the present invention;

fig. 6 is a circuit diagram of an alarm module according to an embodiment of the present invention;

fig. 7 is a flowchart of a speed adjusting method according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 shows a schematic block diagram of a speed adjusting device provided in an embodiment of the present invention, the speed adjusting device includes a key module, a control module, a driving module, a speed measuring module and an alarm module, wherein the key module includes at least one key, one end of the key is grounded, the other end of the key is connected to an input end of the control module for adjusting a rotation speed of a motor, the control module is connected to the key module, the driving module is controlled to operate according to output information of the key module, the input end of the driving module is connected to the control module, the driving module drives the motor to operate, the speed measuring module is connected to the motor, and the rotation speed of the motor is transmitted to; the alarm module is connected with the control module, and when the rotating speed of the motor exceeds a threshold value, the alarm module works.

As a specific embodiment of the key module provided in this embodiment, as shown in fig. 2, the keys provided in this embodiment include five keys, where the five keys are a key K2, a key K3, a key K4, a key K5, and a key K6, the key K2 is configured as an on-off key of the electric vehicle, the key K3 is configured as an acceleration key, the key K4 is configured as a deceleration key, and the key K5 and the key K6 are used to control left and right turn lights, respectively.

As a specific embodiment of the control module provided in this embodiment, as shown in fig. 3, the control module in this embodiment includes a single chip microcomputer, and the model of the single chip microcomputer is STC89C52 RC.

As a specific embodiment of the driving module provided IN this embodiment, as shown IN fig. 4, the driving module includes at least one driving circuit, the driving circuit includes a driving chip U2, an IN1 end and an IN2 end of the driving chip U2 are respectively connected to an output end of the control module, an OUT1 end and an OUT2 end of the driving chip U2 are respectively connected to an input end of the motor, and the motor is driven to operate by the driving module, so as to drive the electric vehicle to move.

As a specific embodiment of the speed measuring module provided in this embodiment, as shown in fig. 5, the speed measuring module includes at least one speed measuring circuit, the speed measuring circuit includes a groove-type photo switch U3, a transistor Q1, a resistor R4, a resistor R5, a resistor R6, and a resistor R7, a first end of the groove-type photo switch U3 is connected to a power supply via a resistor R5, a second end of the groove-type photo switch U3 is grounded, a third end of the groove-type photo switch U3 is connected to the power supply via a resistor R6, a third end of the groove-type photo switch U3 is connected to a base of the transistor Q1 via a resistor R7, a collector of the triode Q1 is connected to the power supply via a resistor R4, a collector of the triode Q1 is connected to an input end of the control module, an emitter of the transistor Q1 is grounded, a fourth end of the groove-type photo switch U3 is grounded, the groove-type photo switch U3 is disposed at a position, when the shading sheet moves to the groove type photoelectric switch U3, counting is carried out once, and therefore the rotating speed of the motor is calculated.

As a specific embodiment of the alarm module provided in this embodiment, as shown in fig. 6, the alarm module includes a transistor Q2, a resistor R8, and a buzzer, a base of the transistor Q2 is connected to an output terminal of the control module through the resistor R8, an emitter of the transistor Q2 is connected to a power supply through the buzzer, a collector of the transistor Q2 is grounded, when a vehicle speed of the electric vehicle exceeds a safe vehicle speed, the control module outputs an alarm message, and the buzzer sounds an alarm to prompt a driver of the electric vehicle to pay attention to the vehicle speed.

The embodiment also provides a speed regulation method, which is used for the speed regulation device, and as shown in fig. 7, the speed regulation method includes:

acquiring key state information;

outputting the rotating speed according to the key state information;

acquiring the rotating speed of a motor;

judging whether the current rotating speed exceeds a threshold value;

and if the current rotating speed exceeds the threshold value, alarming.

The present embodiment further provides a speed regulating system, which is used in the above speed regulating device, specifically, the speed regulating system includes:

the key state acquisition module is used for acquiring key state information;

the rotating speed control module is used for outputting rotating speed according to the key state information;

the rotating speed acquisition module is used for acquiring the rotating speed of the motor;

the judging module is used for judging whether the current rotating speed exceeds a threshold value;

and the alarm module sends alarm information when the current rotating speed exceeds a threshold value.

In conclusion, the speed regulating device provided by the embodiment can display the current speed information, and when the speed of the electric vehicle exceeds the safe speed, the embodiment can also give an alarm to prompt the driver of the electric vehicle to pay attention to the speed, so that the safety of the electric vehicle is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A governor device, comprising:

2. The speed regulating device of claim 1, wherein the driving module comprises at least one driving circuit, the driving circuit comprises a driving chip U2, an IN1 terminal and an IN2 terminal of the driving chip U2 are respectively connected with the output terminal of the control module, and an OUT1 terminal and an OUT2 terminal of the driving chip U2 are respectively connected with the input terminal of the motor.

3. The speed regulation device of claim 1, wherein the speed measurement module comprises at least one speed measurement circuit, the speed measurement circuit comprises a groove-shaped photoelectric switch U3, a triode Q1, a resistor R4, a resistor R5, a resistor R6 and a resistor R7, a first end of the groove-shaped photoelectric switch U3 is connected with a power supply through the resistor R5, a second end of the groove-shaped photoelectric switch U3 is grounded, a third end of the groove-shaped photoelectric switch U3 is connected with the power supply through the resistor R6, a third end of the groove-shaped photoelectric switch U3 is connected with a base of a triode Q1 through the resistor R7, a collector of the triode Q1 is connected with the power supply through the resistor R4, a collector of the triode Q1 is connected with an input end of the control module, an emitter of the triode Q1 is grounded, and a fourth end of the groove-shaped photoelectric switch U3 is grounded.

4. The speed regulating device according to claim 1, characterized in that the alarm module comprises a triode Q2, a resistor R8 and a buzzer, the base of the triode Q2 is connected with the output end of the control module through a resistor R8, the emitter of the triode Q2 is connected with a power supply through the buzzer, and the collector of the triode Q2 is grounded.

5. The speed regulating device of claim 1, further comprising a display module, wherein the display module is connected to the control module, and the display module is used for displaying the rotating speed of the motor.