CN207867291U - Circuit master control borad - Google Patents
Circuit master control borad Download PDFInfo
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- CN207867291U CN207867291U CN201820158099.1U CN201820158099U CN207867291U CN 207867291 U CN207867291 U CN 207867291U CN 201820158099 U CN201820158099 U CN 201820158099U CN 207867291 U CN207867291 U CN 207867291U
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- control borad
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Abstract
This application discloses a kind of circuit master control borad, circuit master control borad surface parallelly distribute on has at least three row's circuits：First row circuit, the first row circuit include the first electrical interface circuits and the first bus interface circuit；Second row circuit, the second row circuit includes motor-drive circuit and governor circuit；Circuit is arranged with third, the third row circuit includes the second electrical interface circuits, the second bus interface circuit and power control switch circuit；Wherein, first electrical interface circuits, first bus interface circuit, the motor-drive circuit, the second electrical interface circuits, the second bus interface circuit and power control switch circuit are connect with the governor circuit respectively.The application effectively reduces the breadth size of circuit master control borad by the design and layout optimization of circuit unit, and is integrated in circuit master control borad by exclusive design more multi-functional.
Description
Technical field
This application involves integrated circuit fields, more particularly to a kind of circuit master control borad.
Background technology
It is various to be tied by functional circuit master control borad, electronic sensor and machinery as science and technology creates the continuous rise of objective class education
The wound visitor of structure basic part educates teaching aid suit and constantly releases.Wherein, circuit master control borad is as core component, major function
By circuit design the control to other electronic units is realized using the powerful logic and budget function of master control borad microprocessor, with
So that can be to peripheral hardware, for example, loud speaker, light emitting diode (LED) light source, motor, steering engine etc. are controlled in teaching process
System, and various sensors can be received, such as：Photosensitive sensor, infrared sensor, ultrasonic sensor, sound transducer,
The information input of touch sensor etc..Science and technology wound visitor's education circuit master control borad common at present has following two：
The first is general-purpose circuit board, which is by some pin functions of processor of single chip computer in advance determine
Justice and draw again, in microcontroller to realize function program code carried out the encapsulation of function interface.Though this circuit board
Still function is fewer for right small volume, and complicated circuit control cannot be realized based on the circuit board；
Second is to have carried out more humanized designs on the basis of general-purpose circuit board function, such as be added to sound
The functions such as sound, LED light source, motor interface, but the volume of this circuit board is usually bigger, is especially played with other building blocks
When tool be used cooperatively, space hold amount is big, causes to use upper inconvenience.
Utility model content
The application's aims to overcome that the above problem or solves or extenuate to solve the above problems at least partly.
This application provides a kind of circuit master control borad, circuit master control borad surface parallelly distribute on has at least three row's circuits：
First row circuit, the first row circuit include the first electrical interface circuits and the first bus interface circuit；
Second row circuit, the second row circuit includes motor-drive circuit and governor circuit；With
Third arranges circuit, and the third row circuit includes the second electrical interface circuits, the second bus interface circuit and power supply
Control switching circuit；
Wherein, first electrical interface circuits, first bus interface circuit, the motor-drive circuit, second
Electrical interface circuits, the second bus interface circuit and power control switch circuit are connect with the governor circuit respectively.
The application effectively reduces the breadth size of circuit master control borad by the design and layout optimization of circuit unit, passes through
Exclusive design is integrated with reliability that is more multi-functional, and improving by optimization design circuit in circuit master control borad.
Optionally, first electrical interface circuits include the first steering engine interface circuit, first motor interface circuit and nothing
Line communication interface circuit, wherein the first steering engine interface circuit and the wireless communication interface circuit respectively with the master control
Circuit connects, and the first motor interface circuit is connect by the motor-drive circuit with the governor circuit.
The application increases steering engine interface, motor interface and wireless communication interface so that circuit master control borad can be external more
The circuit of type supports more multi-functional and control operation.
Optionally, first bus interface circuit includes that the first bus interface circuit being arranged in order, the second bus connect
Mouthful circuit and third bus interface circuit, wherein first bus interface circuit is Double-number signal and I2C bus interface,
Second bus interface circuit is dual analog signal and I2C bus interface or Double-number signal and I2C bus interface, described
Third bus interface circuit is single analog signal and I2C bus interface or single digital signal and I2C bus interface, described first
Bus interface circuit, the second bus interface circuit and third bus interface circuit are connect with the governor circuit respectively.
The application not only saves space in the first row that three bus interface are placed side by side on to circuit master control borad, and
It arranges compact, adapts to the needs of various buses, and then can realize more functions.
Optionally, the governor circuit includes two rows of circuits：
2A arranges circuit, and the 2A rows circuit includes the first display circuit, buzzer circuit, the processor being arranged in order
Circuit and USB circuit；With
2B arranges circuit, and the 2B rows circuit includes the second display circuit, power-switching circuit, low electricity being arranged in order
Press detection circuit, power circuit；
Wherein, first display circuit, the second display circuit, the buzzer circuit and the USB circuit respectively with
The processor circuit connection；The low-voltage detection circuit and the power circuit respectively with the power control switch circuit
Connection, the power control switch circuit are connect with the power-switching circuit, the power-switching circuit and the circuit master
The circuit powered is needed to connect in control plate.
Optionally, first display circuit and second display circuit are LED circuit.
Governor circuit is arranged in the middle part of circuit board by the application, and interface circuit is arranged in the periphery of circuit board so that
Structure is compacter, and the application is designed with low-voltage detection circuit, can realize that low-voltage alerts, to preferably protect
Circuit master control borad.
Optionally, the USB circuit includes that the USB being arranged in order turns asynchronous receiving-transmitting transmitter (UART) circuit, USB port is prevented
Protection circuit and usb circuit, wherein the usb circuit, the USB port protection circuit, the USB turn UART circuitry
It is sequentially connected with the processor circuit.
The application improves the reliability of circuit by increasing protection circuit and optimizing.
Optionally, the power circuit includes short-circuit protection circuit, reverse-connection preventing circuit and the power interface electricity being arranged in order
Road, wherein the power interface circuit, the reverse-connection preventing circuit and the short-circuit protection circuit are sequentially connected, and the short circuit is protected
Protection circuit is connect with the power control switch circuit.
The application has carried out detailed design to power circuit, can carry out effective protection to power supply and other circuits.
Optionally, second electrical interface circuits include the second steering engine interface circuit and the second motor interface circuit,
In, the second steering engine interface circuit is connect with the governor circuit, and the second motor interface circuit is driven by the motor
Dynamic circuit is connect with the governor circuit.
Optionally, second bus interface circuit includes that the 4th bus interface circuit being arranged in order, the 5th bus connect
Mouth circuit and the 6th bus interface circuit, wherein second bus interface circuit includes the 4th bus interface being arranged in order
Circuit, the 5th bus interface circuit and the 6th bus interface circuit, wherein the 4th bus interface circuit is Double-number signal
With I2C bus interface, the 5th bus interface circuit be dual analog signal and I2C bus interface or Double-number signal and
I2C bus interface, the 6th bus interface circuit are single analog signal and I2C bus interface or single digital signal and I2C
Bus interface, the 4th bus interface circuit, the 5th bus interface circuit and the 6th bus interface circuit respectively with the master
Control circuit connection.
The application is increased using two motor interfaces and two steering engine interfaces, and increases more bus interface,
Enable circuit master control borad to realize external more other equipments, increases functional and interesting.
According to the accompanying drawings to the detailed description of the specific embodiment of the application, those skilled in the art will be more
Above-mentioned and other purposes, the advantages and features of the application are illustrated.
Description of the drawings
Some specific embodiments of the application are described in detail by way of example rather than limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the block diagram of one embodiment of the circuit master control borad of the application；
Fig. 2 is the block diagram of one embodiment of the first electrical interface circuits of the application；
Fig. 3 is the block diagram of one embodiment of the governor circuit of the application；
Fig. 4 is the block diagram of one embodiment of the USB circuit of the application；
Fig. 5 is the block diagram of one embodiment of the power circuit of the application；
Fig. 6 is the block diagram of one embodiment of the second electrical interface circuits of the application；
Fig. 7 is the block diagram of one embodiment of the circuit master control borad layout of the application；
Fig. 8 is the block diagram of one embodiment of the circuit connecting relation of the circuit master control borad of the application.
Specific implementation mode
Referring to Fig. 1, this application provides a kind of circuit master control borad 1, circuit master control borad surface parallelly distribute on has at least
Three row's circuits：
First row circuit, the first row circuit include the first electrical interface circuits 101 and the first bus interface circuit
102；
Second row circuit, the second row circuit include motor-drive circuit 103 and governor circuit 104；With
Third arranges circuit, and the third row circuit includes the second electrical interface circuits 105, the second bus interface circuit 106
With power control switch circuit 107；
Wherein, first electrical interface circuits 101, first bus interface circuit 102, the motor-drive circuit
103, the second electrical interface circuits 105, the second bus interface circuit 106 and power control switch circuit 107 respectively with the master
Circuit 104 is controlled to connect.
Optionally, referring to Fig. 2, first electrical interface circuits connect including the first steering engine interface circuit 201, first motor
Mouth circuit 202 and wireless communication interface circuit 203, wherein the first steering engine interface circuit 201 and the wireless communication interface
Circuit 203 is connect with the governor circuit 104 respectively, and the first motor interface circuit 202 passes through the motor-drive circuit
103 connect with the governor circuit 104.
Optionally, referring to Fig. 2, first bus interface circuit include the first bus interface circuit 204 being arranged in order,
Second bus interface circuit 205 and third bus interface circuit 206, wherein first bus interface circuit 204 is Double-number
Signal and I2C bus interface, second bus interface circuit 205 are dual analog signal and I2C bus interface or Double-number
Signal and I2C bus interface, the third bus interface circuit 206 are single analog signal and I2C bus interface or single digital
Signal and I2C bus interface, first bus interface circuit 204, the second bus interface circuit 205 and third bus interface electricity
Road 206 is connect with the governor circuit 104 respectively.
Optionally, referring to Fig. 3, the governor circuit includes two rows of circuits：
2A arranges circuit, 2A row's circuit include the first display circuit 301 being arranged in order, buzzer circuit 303,
Processor circuit 305 and USB circuit 307；With
2B arranges circuit, and the 2B rows circuit includes the second display circuit 302, the power-switching circuit being arranged in order
304, low-voltage detection circuit 306, power circuit 308；
Wherein, first display circuit 301, the second display circuit 302, the buzzer circuit 303 and USB electricity
Road 307 is connect with the processor circuit 305 respectively；The low-voltage detection circuit 306 and the power circuit 308 respectively with
The power control switch circuit 107 connects, and the power control switch circuit 107 is connect with the power-switching circuit 304,
The power-switching circuit 304 needs the circuit powered to connect with the circuit master control borad.
Optionally, first display circuit and second display circuit are LED circuit.
Optionally, with reference to Fig. 4, the USB circuit includes that the USB being arranged in order turns UART circuitry 401, USB port protection electricity
Road 402 and usb circuit 403, wherein the usb circuit 403, the USB port protection circuit 402, the USB turn
UART circuitry 401 and the processor circuit 305 are sequentially connected.
Optionally, with reference to Fig. 5, the power circuit includes short-circuit protection circuit 501, the reverse-connection preventing circuit being arranged in order
502 and power interface circuit 503, wherein the power interface circuit 503, the reverse-connection preventing circuit 502 and the short-circuit protection
Circuit 501 is sequentially connected, and the short-circuit protection circuit 501 is connect with the power control switch circuit 107.
Optionally, with reference to Fig. 6, second electrical interface circuits include the second steering engine interface circuit 601 and the second motor
Interface circuit 602, wherein the second steering engine interface circuit 601 is connect with the governor circuit 104, and second motor connects
Mouth circuit 602 is connect by the motor-drive circuit 103 with the governor circuit 104.
Optionally, with reference to Fig. 6, second bus interface circuit include the 4th bus interface circuit 604 being arranged in order,
5th bus interface circuit 605 and the 6th bus interface circuit 606, wherein the 4th bus interface circuit is believed for Double-number
Number and I2C bus interface, the 5th bus interface circuit be dual analog signal and I2C bus interface or Double-number signal and
I2C bus interface, the 6th bus interface circuit are single analog signal and I2C bus interface or single digital signal and I2C
Bus interface, the 4th bus interface circuit, the 5th bus interface circuit and the 6th bus interface circuit respectively with the master
Control circuit connection.
In a preferred embodiment, the circuit layout of circuit master control borad provided by the present application is as shown in fig. 7, each in the Fig. 7
The connection relation of a circuit is not shown.The circuit connecting relation of circuit master control borad provided by the present application is as shown in Figure 8.It can from figure
To find out, circuit master control borad provided by the present application is compact-sized, compact in design, and entire plate breadth area is only about 40 squares lis
Rice, preferably 41.76 square centimeters, compared to current general-purpose circuit board, function increases, and there is no notable for board area
Increase.
The function and realization of each circuit in circuit master control borad provided by the present application are illustrated below：
Wireless communication interface circuit supports the bluetooth module connection of signal definition identical as HC06 bluetooth modules etc., the bluetooth
Module is directly inserted into the wireless communication interface circuit.
Circuit master control borad supports all-colour LED and onboard buzzer circuit, can be used to implement information alert and alarm.
Processor circuit is the master cpu in circuit master control borad, turns the control that UART circuitry obtains for receiving from USB and refers to
It enables, buzzer, all-colour LED, external motor and steering engine, external various kinds of sensors etc. is controlled.
Buzzer circuit further includes buzzer control circuit, and the buzzer control circuit is for receiving what master cpu was sent
Pulse width modulates (PWM) square wave, sends out the sound of optional frequency.
Low-voltage detection circuit is used to detect the voltage of external power supply (for example, battery), and is alerted by indicator light, once
Warning light is lighted less than setting value.
Power control switch circuit controls for realizing whole plate power switch, and supports standby indicating lamp
Power-switching circuit is used to 6V to the 12V voltages that power interface circuit inputs being converted into 5V, for whole plate and external
Sensor and executing agency use.The circuit does power supply conversion using DC-DC, and 6V can be made to remain to 12V power inputs
90% or more transformation efficiency, to extend service time of battery.
Short-circuit protection circuit is used to carry out circuit protection to entire circuit master control borad, it is preferable that can limit whole plate circuit
System is in 3A hereinafter, preventing from causing to cause danger due to external cell electric current is excessive because of veneer short circuit.
Reverse-connection preventing circuit is anti-using Metal-Oxide Semiconductor field-effect transistor (metal-oxide-semiconductor) in a preferred embodiment
Reversal connection, the circuit power consumption is small and can extend power using time.
Usb circuit be used for master cpu carry out firmware programming, can also by host computer by this interface to circuit master
Control plate is controlled.
USB port protection circuit is anti-using Transient Suppression Diode (TVS, Transient Voltage Suppressor)
Shield.The circuit reacts fast to electrostatic leakage, can prevent interface section circuit caused by static electricity on human body from damaging, while limiting electricity
Road master control borad takes the electric current of electricity from usb circuit, effectively prevent the damage of the USB device of power supply.
USB turns conversion of the UART circuitry for realizing USB to UART interface agreement.
Governor circuit further includes filter circuit, more accurate when for making internal ADC (analog-to-digital conversion) sample external analog amount
Really stablize.
Power interface circuit is used to power to entire master control borad.
Reverse-connection preventing circuit is used for when the power end of power interface circuit and ground terminal reversal connection, can automatically disconnect the circuit connection,
To prevent the damage of late-class circuit.
Power control switch circuit is powered on for control circuit master control borad whole plate.
Short-circuit protection circuit is used for when the short circuit of veneer partial circuit or external sensor and actuator load are excessive
When, protect circuit master control borad not to be burned out and ensure the safety of external connection battery.
Motor-drive circuit is used to the PWM that master cpu is sent out controlling the signal that signals are transformed into driving motor with other
Two-way motor is driven, the circuit can directly external motor use and overcurrent protection be provided.
Circuit master control borad directly supports the steering engine interface that two PWM are controlled, and provides overcurrent protection.
Bus interface circuit includes multiple interfaces circuit form, wherein：
Double-number (simulation) signal and I2C bus interface be used for with two number (simulation) interfaces and I2C interface
Various kinds of sensors connects.
Single digital (simulation) signal and I2C bus interface be used for with number (simulation) interface and I2C interface
Various kinds of sensors connects.
Motor interface is used for external 5V direct current generators.
Steering engine interface is used for external 5V steering engines.
Wireless communication interface circuit is for connecting bluetooth, with the wireless module of UART port or other wireless modules.
Display circuit is preferably all-colour LED circuit, for the control by master cpu, completes 1600 perfectly sound true color
Display.It is understood that display circuit can also take other circuits with display function.
The application can be used in the research and development and making in robot and Teaching of Automatic Control field, the scientific and technological objective educational facilities of class wound
The research and development of field and electronic blocks toy and teaching equipment and design field etc..
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State term.
The preferable specific implementation mode of the above, only the application, but the protection domain of the application is not limited thereto,
Any one skilled in the art is in the technical scope that the application discloses, the change or replacement that can be readily occurred in,
It should all cover within the protection domain of the application.Therefore, the protection domain of the application should be with scope of the claims
Subject to.
Claims (9)
1. a kind of circuit master control borad, which is characterized in that circuit master control borad surface parallelly distribute on has at least three row's circuits：
First row circuit, the first row circuit include the first electrical interface circuits and the first bus interface circuit；
Second row circuit, the second row circuit includes motor-drive circuit and governor circuit；With
Third arranges circuit, and the third row circuit includes the second electrical interface circuits, the second bus interface circuit and power supply control
Switching circuit；
Wherein, first electrical interface circuits, first bus interface circuit, the motor-drive circuit, second electrical
Interface circuit, the second bus interface circuit and power control switch circuit are connect with the governor circuit respectively.
2. circuit master control borad according to claim 1, which is characterized in that first electrical interface circuits include the first rudder
Machine interface circuit, first motor interface circuit and wireless communication interface circuit, wherein the first steering engine interface circuit and described
Wireless communication interface circuit is connect with the governor circuit respectively, and the first motor interface circuit drives electricity by the motor
Road is connect with the governor circuit.
3. circuit master control borad according to claim 1, which is characterized in that first bus interface circuit includes arranging successively
The first bus interface circuit, the second bus interface circuit and the third bus interface circuit of row, wherein first bus interface
Circuit is Double-number signal and I2C bus interface, second bus interface circuit be dual analog signal and I2C bus interface or
Person's Double-number signal and I2C bus interface, the third bus interface circuit are single analog signal and I2C bus interface or list
Digital signal and I2C bus interface, first bus interface circuit, the second bus interface circuit and third bus interface circuit
It is connect respectively with the governor circuit.
4. circuit master control borad according to claim 1, which is characterized in that the governor circuit includes two rows of circuits：
2A arranges circuit, and the 2A rows circuit includes the first display circuit, buzzer circuit, the processor circuit being arranged in order
And USB circuit；With
2B arranges circuit, and the 2B rows circuit includes the second display circuit, power-switching circuit, the low-voltage inspection being arranged in order
Slowdown monitoring circuit, power circuit；
Wherein, first display circuit, the second display circuit, the buzzer circuit and the USB circuit respectively with it is described
Processor circuit connects；The low-voltage detection circuit and the power circuit connect with the power control switch circuit respectively
It connects, the power control switch circuit is connect with the power-switching circuit, the power-switching circuit and the circuit master control
The circuit powered is needed to connect in plate.
5. circuit master control borad according to claim 4, which is characterized in that first display circuit and second display
Circuit is LED circuit.
6. circuit master control borad according to claim 4, which is characterized in that the USB circuit includes that the USB being arranged in order turns
UART circuitry, USB port protection circuit and usb circuit, wherein the usb circuit, the USB port protection circuit, institute
State that USB turns UART circuitry and the processor circuit is sequentially connected.
7. circuit master control borad according to claim 4, which is characterized in that the power circuit includes the short circuit being arranged in order
Protect circuit, reverse-connection preventing circuit and power interface circuit, wherein the power interface circuit, the reverse-connection preventing circuit and described
Short-circuit protection circuit is sequentially connected, and the short-circuit protection circuit is connect with the power control switch circuit.
8. circuit master control borad according to claim 2, which is characterized in that second electrical interface circuits include the second rudder
Machine interface circuit and the second motor interface circuit, wherein the second steering engine interface circuit is connect with the governor circuit, described
Second motor interface circuit is connect by the motor-drive circuit with the governor circuit.
9. according to any one of them circuit master control borad of claim 1 to 8, which is characterized in that the second bus interface electricity
Road includes the 4th bus interface circuit, the 5th bus interface circuit and the 6th bus interface circuit being arranged in order, wherein described
4th bus interface circuit is Double-number interface or I2C bus interface, and the 5th bus interface circuit is dual analog interface, double
Either I2C bus interface the 6th bus interface circuit is that single analog interface, single digital interface or I2C buses connect to number
Mouthful, the 4th bus interface circuit, the 5th bus interface circuit and the 6th bus interface circuit respectively with the governor circuit
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158099.1U CN207867291U (en) | 2018-01-30 | 2018-01-30 | Circuit master control borad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158099.1U CN207867291U (en) | 2018-01-30 | 2018-01-30 | Circuit master control borad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207867291U true CN207867291U (en) | 2018-09-14 |
Family
ID=63460236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820158099.1U Active CN207867291U (en) | 2018-01-30 | 2018-01-30 | Circuit master control borad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207867291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379115A (en) * | 2018-10-15 | 2019-02-22 | 江苏万邦微电子有限公司 | A kind of beam control device |
-
2018
- 2018-01-30 CN CN201820158099.1U patent/CN207867291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379115A (en) * | 2018-10-15 | 2019-02-22 | 江苏万邦微电子有限公司 | A kind of beam control device |
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