CN213879676U

CN213879676U - Programmable control panel for controlling forward and reverse rotation of double direct current motors

Info

Publication number: CN213879676U
Application number: CN202022612036.9U
Authority: CN
Inventors: 张雷洋; 刘松涛; 张新春
Original assignee: Henan Yuping Electronic Technology Co ltd
Current assignee: Henan Yuping Electronic Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-03
Anticipated expiration: 2030-11-12

Abstract

The utility model relates to the technical field of direct current motor positive and negative rotation control, in particular to a double direct current motor positive and negative rotation control programmable control panel, which comprises a circuit board, wherein the circuit board is provided with an input interface and an output interface, and the circuit board is provided with a singlechip, a power circuit, an input circuit, an output circuit and a wireless remote control interface; the technical scheme of the utility model utilize singlechip and relay, realize the free control to DC motor through the programming, but C language programming gathers input signal, keeps apart the signal of gathering for the singlechip through the opto-coupler, and the singlechip is through the program operation, and output control signal is through photoelectricity isolation control triode drive relay, and the start-up through the switch function control motor of relay stops and just reverses.

Description

Programmable control panel for controlling forward and reverse rotation of double direct current motors

Technical Field

The utility model relates to a direct current motor is positive reverse control technical field, a two direct current motor positive reverse control programmable control board specifically says so.

Background

In the field of industrial automation, the control of a motor is common, the control of the motor needs a control unit and a driving unit, and the existing controller and a driver are separated, so that the motor has high manufacturing cost, large volume and multiple models. And wiring and maintenance are troublesome.

In the industrial field, two motors are needed to be matched to realize a certain function in many occasions, and to realize the function, a controller, a driver, a motor and other devices are needed, and the controller, the driver and other peripheral devices are integrated together to realize free control over the two motors, such as: regular forward and reverse rotation, automatic back and forth control, sequential control and the like. Meanwhile, the wireless remote control of the motor can be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an invention aim at overcome the defect that describes in the background art to realize a two direct current motor positive and negative rotation control programmable control panel, the utility model discloses a programming realizes the free control to direct current motor, but C language programming gathers input signal, keeps apart the signal of gathering for the singlechip through the opto-coupler, and the singlechip is through the program operation, output control signal, through optoelectronic isolation control triode drive relay, controls the start-up of motor and stops and positive and negative rotation through the switching function of relay; the input and output signals of the circuit are fully isolated, and the board power supply and the motor working power supply are independent. The interference of the inductive load pair and the control circuit of the motor is reduced to the maximum extent.

In order to achieve the purpose of the invention, the technical scheme of the utility model is as follows: a programmable control panel for controlling forward and reverse rotation of double direct current motors comprises a circuit board, wherein an input interface and an output interface are arranged on the circuit board, a single chip microcomputer, a power supply circuit, an input circuit, an output circuit and a wireless remote control interface are arranged on the circuit board, three paths of the input circuit are respectively and electrically connected with a P1.2 pin, a P1.3 pin and a P1.4 pin of the single chip microcomputer, two paths of the output circuit are respectively and electrically connected with a P1.0 pin and a P3.7 pin of the single chip microcomputer, a 3 pin, a 4 pin, a 5 pin and a 6 pin of the wireless remote control interface are respectively and electrically connected with a P1.5 pin, a P5.4 pin, a P3.2 pin and a P3.3 pin of the single chip microcomputer, the power supply circuit supplies power for the circuits, and the input circuit and the output circuit are electrically connected with the outside through the input interface and the output interface.

Furthermore, the type of the single chip microcomputer is STC15W408AS-SOP16, and a pin P3.0 and a pin P3.1 of the single chip microcomputer are used as TTL interfaces and connected with the DATE interface.

Furthermore, the power circuit uses a P1 terminal as the anode of a power supply, and D1 is reverse connection protection of the power supply; the capacitors C1, C2, C3 and C4 form an input stage filter circuit of the circuit; the IC component LM317 is a linear voltage-stabilizing chip and is used for stabilizing the voltage of a power supply to 5V to supply power to the control circuit; the capacitors C5, C6, C7 and C8 form an output stage filter circuit of the circuit; the resistor R4 is an analog quantity and digital quantity isolation resistor; r5 and R6 are voltage dividing resistors, and R10 and the LED4 form a power indicator lamp circuit; d15 is the control power supply follow current protection, D2 is TVS protection, and C9, C10 and C11 are the singlechip power supply filter capacitors.

The input circuits are divided into three groups, namely a first input circuit, a second input circuit and a third input circuit, wherein the first input circuit is composed of a resistor R1, a light-emitting diode LED1 optical coupling isolation U1 and a pull-up resistor R7; r1 is an input current limiting resistor, an LED1 is an input end signal indicator lamp, and U1 is optical coupler isolation; r7 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

Further, the second input circuit is composed of a resistor R2, a light emitting diode LED2 optical coupling isolation U2 and a pull-up resistor R8; r2 is an input current limiting resistor, an LED2 is an input end signal indicator lamp, and U2 is optical coupler isolation; r8 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

Further, the third input circuit is composed of a resistor R3, a light emitting diode LED3 optical coupling isolation U3 and a pull-up resistor R9; r3 is an input current limiting resistor, an LED3 is an input end signal indicator lamp, and U3 is optical coupler isolation; r9 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

Furthermore, the output circuits are divided into two groups and respectively are a first output circuit and a second output circuit, wherein in power supply of the upper part of the first output circuit, R11 is a current-limiting resistor, U4 is a photoelectric isolating switch, the control end of U4 is respectively connected with a power supply and a P1.1 pin of a singlechip, R15 is a triode Q1 base current-limiting resistor, and D3 provides follow current protection for a relay K1; d7 and D8 provide free-wheeling protection for the output motor; in the lower power supply, R12 is a current-limiting resistor, U5 is a photoelectric isolating switch, the control end of U5 is respectively connected with a power supply and a P1.0 pin of a single chip microcomputer, R16 is a triode Q2 base current-limiting resistor, and D4 provides follow current protection for a relay K2; d7 and D8 provide free-wheeling protection for the output motor; in the first output circuit, RZ1 is voltage-sensitive protection, LED6 and LED7 are motor steering indicating lamps, and R19 is a current-limiting resistor.

Furthermore, in the power supply of the upper part of the second output circuit, R13 is a current-limiting resistor, U6 is a photoelectric isolating switch, and the control end of U6 is respectively connected with a power supply and a P3.7 pin of the singlechip; r17 is triode Q3 base current-limiting resistor, D5 provides the afterflow protection for relay K3; d9 and D10 provide free-wheeling protection for the output motor; in the lower circuit, R14 is a current-limiting resistor, U7 is a photoelectric isolating switch, and the control end of U7 is respectively connected with a power supply and a P3.6 pin of the singlechip; r18 is triode Q4 base current-limiting resistor, D6 provides the afterflow protection for relay K3; d13 and D14 provide free-wheeling protection for the output motor; in the second output circuit, RZ2 is pressure-sensitive protection; the LED8 and the LED9 are motor steering indicating lamps, and R19 is a current limiting resistor.

The utility model has the advantages that: 1. the technical scheme of the utility model utilize singlechip and relay, realize the free control to DC motor through the programming, but C language programming gathers input signal, keeps apart the signal of gathering for the singlechip through the opto-coupler, and the singlechip is through the program operation, and output control signal is through photoelectricity isolation control triode drive relay, and the start-up through the switch function control motor of relay stops and just reverses.

2. The input and output signals of the circuit are fully isolated, and the board power supply and the motor working power supply are independent. The interference of the inductive load pair and the control circuit of the motor is reduced to the maximum extent. The power supply adopts a linear voltage stabilizing circuit to ensure the voltage stability provided for the singlechip. The input of the circuit is provided with an anti-reverse-connection protection diode, and the input of the circuit is provided with a control signal state indicator lamp. The output is provided with a motor steering signal indicator light. The output also has follow current protection and pressure-sensitive protection.

3. The circuit is provided with a wireless remote control interface, and the output can be controlled in real time through a 315M remote controller. The product has the advantages of small interference from the outside, easy modification and setting, low cost, small volume, high efficiency, long service life, stable structure and easy control, and well solves the defects of the prior products. Moreover, the method has the advantages of low cost of mass production, easy production and manufacture, stability and intelligence, and is very suitable for the practical value of modern people.

Drawings

Fig. 1 is a schematic diagram of a power supply circuit of the present invention;

FIG. 2 is a schematic diagram of the structure of the single chip microcomputer of the present invention;

fig. 3 is a schematic diagram of a three-way input circuit of the present invention;

fig. 4 is a schematic diagram of the wireless remote control interface of the present invention;

fig. 5 is a schematic diagram of an input interface of the present invention;

fig. 6 is a schematic structural diagram of a TTL communication port of the control unit of the present invention;

FIG. 7 is a schematic block diagram of a first output circuit of the present invention;

fig. 8 is a schematic block diagram of a second output circuit according to the present invention.

Detailed Description

The safety wellhead mechanism for groundwater monitoring of the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-8, a programmable control panel for controlling forward and reverse rotation of a dual direct current motor comprises a circuit board, wherein an input interface and an output interface are arranged on the circuit board, a single chip microcomputer, a power circuit, an input circuit, an output circuit and a wireless remote control interface are arranged on the circuit board, three input circuits are respectively and electrically connected with a P1.2 pin, a P1.3 pin and a P1.4 pin of the single chip microcomputer, two output circuits are respectively and electrically connected with a P1.0 pin and a P3.7 pin of the single chip microcomputer, 3 pins, 4 pins, 5 pins and 6 pins of the wireless remote control interface are respectively and electrically connected with a P1.5 pin, a P5.4 pin, a P3.2 pin and a P3.3 pin of the single chip microcomputer, the power circuit supplies power to the circuits, and the input circuit and the output circuit are electrically connected with the outside through an input interface P1 terminal and the output interface.

The model of the singlechip is STC15W408AS-SOP16, and a P3.0 pin and a P3.1 pin of the singlechip are used as TTL interfaces and connected with a DATE interface. The power circuit uses a P1 terminal as the anode of a power supply, and D1 is the reverse connection prevention protection of the power supply; the capacitors C1, C2, C3 and C4 form an input stage filter circuit of the circuit; the IC component LM317 is a linear voltage-stabilizing chip and is used for stabilizing the voltage of a power supply to 5V to supply power to the control circuit; the capacitors C5, C6, C7 and C8 form an output stage filter circuit of the circuit; the resistor R4 is an analog quantity and digital quantity isolation resistor; r5 and R6 are voltage dividing resistors, and R10 and the LED4 form a power indicator lamp circuit; d15 is the control power supply follow current protection, D2 is TVS protection, and C9, C10 and C11 are the singlechip power supply filter capacitors.

The input circuit is divided into three groups, namely a first input circuit, a second input circuit and a third input circuit, wherein the first input circuit is composed of a resistor R1, a light-emitting diode LED1 optical coupling isolation U1 and a pull-up resistor R7; r1 is an input current limiting resistor, an LED1 is an input end signal indicator lamp, and U1 is optical coupler isolation; r7 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal. The second input circuit is composed of a resistor R2, a light emitting diode LED2 optical coupling isolation U2 and a pull-up resistor R8; r2 is an input current limiting resistor, an LED2 is an input end signal indicator lamp, and U2 is optical coupler isolation; r8 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal. The third input circuit is composed of a resistor R3, a light emitting diode LED3 optical coupling isolation U3 and a pull-up resistor R9; r3 is an input current limiting resistor, an LED3 is an input end signal indicator lamp, and U3 is optical coupler isolation; r9 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

The output circuits are divided into two groups and respectively comprise a first output circuit and a second output circuit, wherein in the power supply of the upper part of the first output circuit, R11 is a current-limiting resistor, U4 is a photoelectric isolating switch, the control end of U4 is respectively connected with a power supply and a P1.1 pin of a singlechip, R15 is a triode Q1 base current-limiting resistor, and D3 provides follow current protection for a relay K1; d7 and D8 provide free-wheeling protection for the output motor; in the lower power supply, R12 is a current-limiting resistor, U5 is a photoelectric isolating switch, the control end of U5 is respectively connected with a power supply and a P1.0 pin of a single chip microcomputer, R16 is a triode Q2 base current-limiting resistor, and D4 provides follow current protection for a relay K2; d7 and D8 provide free-wheeling protection for the output motor; in the first output circuit, RZ1 is voltage-sensitive protection, LED6 and LED7 are motor steering indicating lamps, and R19 is a current-limiting resistor.

In the power supply of the upper part of the second output circuit, R13 is a current-limiting resistor, U6 is a photoelectric isolating switch, and the control end of U6 is respectively connected with a power supply and a P3.7 pin of the singlechip; r17 is triode Q3 base current-limiting resistor, D5 provides the afterflow protection for relay K3; d9 and D10 provide free-wheeling protection for the output motor; in the lower circuit, R14 is a current-limiting resistor, U7 is a photoelectric isolating switch, and the control end of U7 is respectively connected with a power supply and a P3.6 pin of the singlechip; r18 is triode Q4 base current-limiting resistor, D6 provides the afterflow protection for relay K3; d13 and D14 provide free-wheeling protection for the output motor; in the second output circuit, RZ2 is pressure-sensitive protection; the LED8 and the LED9 are motor steering indicating lamps, and R19 is a current limiting resistor.

The technical scheme of the utility model utilize singlechip and relay, realize the free control to DC motor through the programming, but C language programming gathers input signal, keeps apart the signal of gathering for the singlechip through the opto-coupler, and the singlechip is through the program operation, and output control signal is through photoelectricity isolation control triode drive relay, and the start-up through the switch function control motor of relay stops and just reverses. The input and output signals of the circuit are fully isolated, and the board power supply and the motor working power supply are independent. The interference of the inductive load pair and the control circuit of the motor is reduced to the maximum extent. The power supply adopts a linear voltage stabilizing circuit to ensure the voltage stability provided for the singlechip. The input of the circuit is provided with an anti-reverse-connection protection diode, and the input of the circuit is provided with a control signal state indicator lamp. The output is provided with a motor steering signal indicator light. The output also has follow current protection and pressure-sensitive protection. The circuit is provided with a wireless remote control interface, and the output can be controlled in real time through a 315M remote controller. The product has the advantages of small interference from the outside, easy modification and setting, low cost, small volume, high efficiency, long service life, stable structure and easy control, and well solves the defects of the prior products. Moreover, the method has the advantages of low cost of mass production, easy production and manufacture, stability and intelligence, and is very suitable for the practical value of modern people.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.

Claims

1. The utility model provides a two direct current motor positive and negative rotation control programmable control board, includes the circuit board, sets up input interface and output interface on the circuit board, its characterized in that: the circuit board is provided with a singlechip, a power supply circuit, an input circuit, an output circuit and a wireless remote control interface, the model of the singlechip is STC15W408AS-SOP16, three input circuits are respectively and electrically connected with a P1.2 pin, a P1.3 pin and a P1.4 pin of the singlechip, two output circuits are respectively and electrically connected with a P1.0 pin and a P3.7 pin of the singlechip, 3 pins, 4 pins, 5 pins and 6 pins of the wireless remote control interface are respectively and electrically connected with a P1.5 pin, a P5.4 pin, a P3.2 pin and a P3.3 pin of the singlechip, the power supply circuit supplies power for the circuits, and the input circuit and the output circuit are electrically connected with the outside through the input interface and the output interface.

2. The double direct current motor positive and negative rotation control programmable control board according to claim 1, characterized in that: the model of the single chip microcomputer is STC15W408AS-SOP16, and a P3.0 pin and a P3.1 pin of the single chip microcomputer are used as TTL interfaces and connected with a DATE interface.

3. The double direct current motor positive and negative rotation control programmable control board according to claim 1, characterized in that: the power circuit uses a P1 terminal as the anode of a power supply, and D1 is reverse connection prevention protection of the power supply; the capacitors C1, C2, C3 and C4 form an input stage filter circuit of the circuit; the IC component LM317 is a linear voltage stabilization chip and used for stabilizing the voltage of a power supply to 5V to supply power to the control circuit; the capacitors C5, C6, C7 and C8 form an output stage filter circuit of the circuit; the resistor R4 is an analog quantity and digital quantity isolation resistor; r5 and R6 are voltage dividing resistors, and R10 and the LED4 form a power indicator lamp circuit; d15 is the control power supply follow current protection, D2 is TVS protection, and C9, C10 and C11 are the singlechip power supply filter capacitors.

4. The double direct current motor positive and negative rotation control programmable control board according to claim 1, characterized in that: the input circuit is divided into three groups, namely a first input circuit, a second input circuit and a third input circuit, wherein the first input circuit is composed of a resistor R1, a light-emitting diode LED1 optical coupling isolation U1 and a pull-up resistor R7; r1 is an input current limiting resistor, an LED1 is an input end signal indicator lamp, and U1 is optical coupler isolation; r7 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

5. The dual direct current motor positive and negative rotation control programmable control board of claim 4, characterized in that: the second input circuit is composed of a resistor R2, a light emitting diode LED2 optical coupling isolation U2 and a pull-up resistor R8; r2 is an input current limiting resistor, an LED2 is an input end signal indicator lamp, and U2 is optical coupler isolation; r8 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

6. The dual direct current motor positive and negative rotation control programmable control board of claim 4, characterized in that: the third input circuit is composed of a resistor R3, a light emitting diode LED3 optical coupling isolation U3 and a pull-up resistor R9; r3 is an input current limiting resistor, an LED3 is an input end signal indicator lamp, and U3 is optical coupler isolation; r9 is a pull-up resistor for the output signal; p1.2 is the collection mouth of the singlechip to the opto-coupler signal.

7. The double direct current motor positive and negative rotation control programmable control board according to claim 1, characterized in that: the output circuits are divided into two groups and respectively comprise a first output circuit and a second output circuit, wherein in power supply of the upper part of the first output circuit, R11 is a current-limiting resistor, U4 is a photoelectric isolating switch, the control end of U4 is respectively connected with a power supply and a P1.1 pin of a singlechip, R15 is a triode Q1 base current-limiting resistor, and D3 provides follow current protection for a relay K1; d7 and D8 provide free-wheeling protection for the output motor; in the lower power supply, R12 is a current-limiting resistor, U5 is a photoelectric isolating switch, the control end of U5 is respectively connected with a power supply and a P1.0 pin of a single chip microcomputer, R16 is a triode Q2 base current-limiting resistor, and D4 provides follow current protection for a relay K2; d7 and D8 provide free-wheeling protection for the output motor; in the first output circuit, RZ1 is voltage-sensitive protection, LED6 and LED7 are motor steering indicating lamps, and R19 is a current-limiting resistor.

8. The dual direct current motor positive and negative rotation control programmable control board of claim 7, characterized in that: in the power supply of the upper part of the second output circuit, R13 is a current-limiting resistor, U6 is a photoelectric isolating switch, and the control end of U6 is respectively connected with a power supply and a P3.7 pin of the singlechip; r17 is triode Q3 base current-limiting resistor, D5 provides the afterflow protection for relay K3; d9 and D10 provide free-wheeling protection for the output motor; in the lower circuit, R14 is a current-limiting resistor, U7 is a photoelectric isolating switch, and the control end of U7 is respectively connected with a power supply and a P3.6 pin of the singlechip; r18 is triode Q4 base current-limiting resistor, D6 provides the afterflow protection for relay K3; d13 and D14 provide free-wheeling protection for the output motor; in the second output circuit, RZ2 is pressure-sensitive protection; the LED8 and the LED9 are motor steering indicating lamps, and R19 is a current limiting resistor.