CN207518498U - DC motor controller with WIFI function - Google Patents
DC motor controller with WIFI function Download PDFInfo
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- CN207518498U CN207518498U CN201721438955.0U CN201721438955U CN207518498U CN 207518498 U CN207518498 U CN 207518498U CN 201721438955 U CN201721438955 U CN 201721438955U CN 207518498 U CN207518498 U CN 207518498U
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Abstract
The utility model provides a kind of DC motor controller with WIFI function, two H-bridge circuits being connect including a core board and with the core board, an encoder circuit, a wifi circuits, a buzzer circuit, a circuit of LED and a CAN bus circuit.The a kind of of the utility model has the function of the DC motor controller of WIFI function, it can be achieved that motor, motor positive and inverse, stepless time adjustment, button and knob is controlled to control rotating speed, buzzer and lampet alarm by host computer online programming by WIFI；The convenient control to direct current generator, and have the advantages that dynamic response is fast, strong antijamming capability, stability are good, highly practical.
Description
Technical field
The utility model is related to DC MOTOR CONTROL field more particularly to a kind of DC MOTOR CONTROLs with WIFI function
Device.
Background technology
Chinese patent CN201621234867.4 discloses a kind of DC motor controller, including sending out motor control signal
Control signal input module and power supply module, for driving voltage output carry out closed loop feedback driving voltage feed back mould
Block, the control module that calculation processing is carried out to input signal and feedback signal, to the voltage signal of control module output at
Reason and the motor driving output module of protection, power supply module is powered to other modules, driving voltage feedback module respectively with
Control signal input module, control module are connected with motor driving output module signal.Such DC motor controller effectively presses down
High-frequency PWM processed causes motor to have apparent electromagnetic interference and interfered to other controls, can be in motor line range for the national games
Interior stepless time adjustment, controlling motor speed, more steady, rotating speed control is more accurate, control errors are preferable, can adjust in real time
Fluctuation caused by load variation, real-time feedback control signal, control are simple, convenient, and reliable.
DC motor controller disclosed in Chinese patent CN201621234867.4 is only for the output of driving voltage
Closed loop feedback is carried out, control accuracy is low, and antijamming capability is not strong, does not ensure that the stability of governing system.In addition to this, certain
A little particular devices require motor reversal, but the DC motor controller can not realize motor reversal, and practicability is not
By force.In addition to this, which can not realize by the function of host computer online programming control motor, can not fit
Answer demand of the modernized society to remote control function.In addition, when motor speed is excessively high or motor work when temperature it is excessively high, should
DC motor controller cannot provide corresponding signal reflection electric machine operation state at this time.Furthermore if motor speed or temperature are held
Continuous excessively high, the service life that can influence motor even directly causes serious harm to motor, which cannot be
Motor speed causes motor to shut down when the temperature is excessively high.
Invention content
Deficiency in for the above-mentioned prior art, the utility model provide a kind of DC MOTOR CONTROL with WIFI function
Device, it can be achieved that by WIFI by host computer online programming control the function of motor, motor positive and inverse, stepless time adjustment, button and
Knob controls rotating speed, buzzer and lampet alarm；The convenient control to direct current generator, and it is fast, anti-interference with dynamic response
The advantages of ability is strong, stability is good, highly practical.
To achieve these goals, the utility model provides a kind of DC motor controller with WIFI function, including
One core board and two H-bridge circuits being connect with the core board, an encoder circuit, a wifi circuits, a buzzer circuit,
One circuit of LED and a CAN bus circuit.
Preferably, the H-bridge circuit is connect by an isolating chip with the core board.
Preferably, the isolating chip uses ADuM1400 chips.
Preferably, each H-bridge circuit passes through one first isolating chip connecting pin and one second isolating chip connecting pin
Connect the isolating chip；The H-bridge circuit includes：
One first half-bridge driver, first half-bridge driver connect the first isolating chip connecting pin, one first
Wait voltage ends and a ground terminal；
One first diode, the anode of first diode connect the first grade voltage ends, first diode
Cathode connect first half-bridge driver；
One first capacitance, the first end of first capacitance connect the cathode of first diode and first half-bridge
Driver, the second end of first capacitance connect first half-bridge driver；
One second capacitance, the first end of second capacitance connect the first grade voltage ends and first half-bridge driven
Device, the second end of second capacitance connect the ground terminal；
One first field-effect tube, the grid of first field-effect tube connect first half-bridge by a first resistor and drive
Dynamic device；The drain electrode of first field-effect tube connects a battery terminal connections；
One second field-effect tube, the drain electrode of second field-effect tube connect the battery terminal connections；
One direct current generator, the direct current generator are connected to the source electrode of first field-effect tube and second field-effect tube
Source electrode between；
One third field-effect tube, the grid of the third field-effect tube connect first half-bridge by a second resistance and drive
Dynamic device；The drain electrode of the third field-effect tube connects source electrode, first half-bridge driver and the institute of first field-effect tube
State the first capacitance；The source electrode of the third field-effect tube connects the ground terminal；
One the 4th field-effect tube, the drain electrode of the 4th field-effect tube connect the source electrode of second field-effect tube；It is described
The source electrode of 4th field-effect tube connects the ground terminal；
One second half-bridge driver, second half-bridge driver connect second field-effect tube by a 3rd resistor
Grid；Second half-bridge driver connects the grid of the 4th field-effect tube by one the 4th resistance；Described the second half
First grade voltage ends, the second isolating chip connecting pin and the ground terminal described in bridge driver；
One second diode, the anode of second diode connect the first grade voltage ends, second diode
Cathode connect second half-bridge driver；
One third capacitance, the first end of the third capacitance connect the cathode of second diode and second half-bridge
Driver, the second end of the third capacitance connect the drain electrode of the 4th field-effect tube and second half-bridge driver；With
One the 4th capacitance, the first end of the 4th capacitance connect the first grade voltage ends and second half-bridge driven
Device, the second end of the 4th capacitance connect the ground terminal.
Preferably, the encoder circuit includes an encoder, and the encoder connects one second grade voltage ends, the core
Core and the ground terminal.
Preferably, the wifi circuits include a wifi chip, one the 5th resistance and one the 6th resistance；The voltages such as one third
End connects the wifi chip and the first end of the 5th resistance, and the second end of the 5th resistance connects the wifi cores
Piece；The wifi chip connects the core board；The wifi chip connects the ground terminal by the 6th resistance, described
Wifi chip connects the ground terminal.
Preferably, the buzzer circuit includes：One the 7th resistance, a buzzer, one the 5th field-effect tube, one the 8th electricity
Resistance and one the 9th resistance；The leakage of the second grade voltage ends, the 7th resistance, the buzzer and the 5th field-effect tube
Pole is sequentially connected；The source electrode of 5th field-effect tube connects the ground terminal, and the grid of the 5th field-effect tube passes through institute
It states the 8th resistance and connects the core board；The grid of 5th field-effect tube connects the ground connection by the 9th resistance
End.
Preferably, the circuit of LED includes one first light emitting diode, 1 the tenth resistance, 4 second luminous two
Grade pipe and 4 the 11st resistance；The anode of first light emitting diode connects the core board, first light emitting diode
Cathode pass through the tenth resistance and connect the ground terminal；The anode of second light emitting diode connects the core board,
The cathode of second light emitting diode connects the core board by the 11st resistance respectively.
Preferably, the CAN bus circuit includes：
One CAN bus transceiving chip, the CAN bus transceiving chip connect the core board, the ground terminal and described
Second grade voltage ends；
One CAN interface terminal, the CAN interface terminal connect the CAN bus transceiving chip；With
1 the 12nd resistance, the 12nd resistance are in parallel with the CAN interface terminal.
Preferably, the core board uses K60 chips.
The utility model makes it have following advantageous effect as a result of above technical scheme：
The utility model forms H bridges by 4 field-effect tube and 1 direct current generator, can realize DC motor positive and negative rotation,
Meets the needs of certain equipment invert direct current generator；The characteristic of the duty ratio of PWM is controlled by core board can realize direct current
Motor stepless time adjustment.The use of WIFI circuits so that can be communicated by WIFI and direct current generator is controlled by host computer online programming
Function so that DC motor speed-regulating precision is high.In addition, when DC motor speed and when the temperature is excessively high, the second hair can be passed through
Optical diode shines and buzzer call plays warning function, avoids causing serious harm to direct current generator.
Description of the drawings
Fig. 1 is the pin wiring schematic diagram of the core board of the utility model embodiment；
Fig. 2 is the electrical block diagram of the H-bridge circuit of the utility model embodiment；
Fig. 3 is the electrical block diagram of the encoder circuit of the utility model embodiment；
Fig. 4 is the electrical block diagram of the WIFI circuits of the utility model embodiment；
Fig. 5 is the electrical block diagram of the buzzer circuit of the utility model embodiment；
Fig. 6 is the electrical block diagram of the circuit of LED of the utility model embodiment；
Fig. 7 is the electrical block diagram of the CAN bus circuit of the utility model embodiment.
Specific embodiment
Below according to 1~Fig. 7 of attached drawing, the preferred embodiment of the utility model is provided, and is described in detail, is enabled more preferable
Ground understands the function of the utility model, feature.
Please refer to Fig.1~Fig. 7, a kind of DC motor controller with WIFI function that the utility model is implemented, including
One core board 1 and two H-bridge circuits 2 being connect with core board 1, an encoder circuit 3, a WIFI circuits 4, a buzzer circuit
5th, a circuit of LED 6 and a CAN bus circuit 7.In the present embodiment, core board 1 uses K60 chips.
K60 chips have numerous pin peripheral hardwares, have power pins, debugging/programming interface, reset circuit, crystal oscillating circuit,
The functions such as pin reset.It is GPIO functions including pin multiplexing, pin exports low and high level to realize light emitting diode, bee
The ring functions such as device and switch.In addition to this, K60 chips can be controlled to change the duty ratio of PWM and then realize to direct current
The stepless time adjustment function of machine M1.In addition to this, K60 chips are as microprocessor, and the information processing capability with high speed can
Realize the control to modules.
In the present embodiment, H-bridge circuit 2 is connect by an isolating chip with core board 1.Isolating chip uses ADuM1400 cores
Piece.Isolating chip connects the first pin PTC1, second pin PTC2, third pin PTC3 and the 4th pin PTC4 of core board 1.
Each H-bridge circuit 2 is connected by one first isolating chip connecting pin PWM3 and one second isolating chip connecting pin PWM4
Connect isolating chip；H-bridge circuit 2 includes：
One first half-bridge driver U1, first half-bridge driver U1 the first isolating chips of connection connecting pin PWM3, one first
Wait a voltage ends V1 and ground terminal GND；
The anode of one first diode D3, the first diode D3 connects the first grade voltage ends V1, the moon of the first diode D3
Pole connects the first half-bridge driver U1；
The first end of one first capacitance C40, the first capacitance C40 connects the cathode and the first half-bridge driven of the first diode D3
The second end of device U1, the first capacitance C40 connect the first half-bridge driver U1；
The first end of one second capacitance C42, the second capacitance C42 connects the first grade voltage ends V1 and the first half-bridge driver
The second end connection ground terminal GND of U1, the second capacitance C42；
The grid of one first field-effect tube Q2, the first field-effect tube Q2 is driven by first half-bridge of first resistor R21 connections
Dynamic device U1；The drain electrode of first field-effect tube Q2 connects a battery terminal connections Bat；
The drain electrode connection battery terminal connections Bat of one second field-effect tube Q3, the second field-effect tube Q3；
One direct current generator M1, direct current generator M1 are connected to the source electrode of the first field-effect tube Q2 and the source of the second field-effect tube Q3
Between pole；
The grid of one third field-effect tube Q4, third field-effect tube Q4 are driven by first half-bridge of second resistance R25 connections
Dynamic device U1；Source electrode, the electricity of the first half-bridge driver U1 and first of the first field-effect tube Q2 of drain electrode connection of third field-effect tube Q4
Hold C40；The source electrode connection ground terminal GND of third field-effect tube Q4；
The source electrode of the second field-effect tube Q3 of drain electrode connection of one the 4th field-effect tube Q5, the 4th field-effect tube Q5；4th
The source electrode connection ground terminal GND of effect pipe Q5；
One second half-bridge driver U2, the second half-bridge driver U2 passes through 3rd resistor R22 second field-effect tube of connection
The grid of Q3；The grid that second half-bridge driver U2 passes through the 4th field-effect tube Q5 of one the 4th resistance R26 connections；Second half-bridge drives
Dynamic device the first grade voltage ends of U2 V1, the second isolating chip connecting pin PWM4 and ground terminal GND；
The anode of one second diode D4, the second diode D4 connects the first grade voltage ends V1, the moon of the second diode D4
Pole connects the second half-bridge driver U2；
The first end of one third capacitance C38, third capacitance C38 connect the cathode and the second half-bridge driven of the second diode D4
The second end of device U2, third capacitance C38 connect drain electrode and the second half-bridge driver U2 of the 4th field-effect tube Q5；With
The first end of one the 4th capacitance C43, the 4th capacitance C43 connect the first grade voltage ends V1 and the second half-bridge driver
The second end connection ground terminal GND of U2, the 4th capacitance C43.
In the present embodiment, the first grade voltage ends V1 voltages 12V.Second grade voltage ends V2 voltages 5V.
H-bridge circuit 2 includes 4 field-effect tube and a direct current generator M1.Operate direct current generator M1, it is necessary to conducting pair
A pair of of field-effect tube on linea angulata.According to the conducting situation of different field-effect tube pair, electric current may from left to right or from the right side to
Direct current generator M1 is flowed through on a left side, so as to control the steering of direct current generator M1.If the first field-effect tube Q2 and the 4th field-effect tube Q5 are led
Logical, electric current flow to the right from a left side, and direct current generator rotates forward；If the second field-effect tube Q3 and third field-effect tube Q4 conducting, electric current from
The right flow to the left side, and the purpose for controlling direct current generator M1 rotatings is realized in direct current generator M1 reversions.Wherein the first field-effect tube Q2
It cannot be simultaneously turned on third field-effect tube Q4 and the second field-effect tube Q3 and the 4th field-effect tube Q5, otherwise can cause direct current
Motor M1 short circuits, load are only 2 field-effect tube, will necessarily burn up field-effect tube.
In the present embodiment, encoder circuit 3 includes an encoder 31, and encoder 31 connects one second grade voltage ends V2, core
Core 1 and ground terminal GND.
Encoder 31 be signal (such as bit stream) or data are worked out, be converted to can be used to communication, transimission and storage
Signal form equipment.Encoder has 4 pins, is power cord respectively, ground terminal GND and A phase, B phases.Wherein A phases, B
The mutually pulse for 2 90 ° of differences, is coupled on pin PTB18, PTB19 of core board 1, since A, B two-phase differ 90 degree,
Can by comparing A phases in preceding or B phases preceding, to differentiate the forward and reverse of encoder 31, by zero pulse, can be compiled
The zero reference position of code device 31.It realizes the function that tests the speed of encoder 31, and can learn that direct current generator M1 is to rotate forward or anti-
Turn.
In the present embodiment, WIFI circuits 4 include a WIFI chips U7, one the 5th resistance R33 and one the 6th resistance R34；One
The first end of the VCC connections of the voltage ends such as third WIFI chips U7 and the 5th resistance R33, the second end connection of the 5th resistance R33
WIFI chips U7；WIFI chips U7 connections core board 1；WIFI chips U7 connects ground terminal GND, WIFI by the 6th resistance R34
Chip U7 connection ground terminals GND.The voltage ends VCC voltages such as third 3.3V.
WIFI chips U7 connects the power supply of 3.3V single supplies, has GPIO interface, SPI interface, UART serial ports etc. comprising numerous.
WIFI allows electronic equipment to be connected to the technology of a WLAN (WLAN), can realize online by host computer by WIFI
The function of programming Control motor, so as to meet the needs of modernized society is to remote control.SPI interface (CS0, MISO, MOSI,
SCLK), based on its MC68HCXX series processors, serial data transmission is synchronized between CPU and peripheral low speed devices,
Under the shift pulse of main device, data step-by-step transmission is high-order preceding, and low level is full-duplex communication, data transmission bauds is total rear
Faster than I2C bus for body, speed can reach 30Mbps.The velocity interval of UART serial ports (TXD, RXD) transmission data is every
Second hundreds of arrives 1.5Mb.WIFI module is based on ESP8266EX chips, and module integrates transparent transmission function, supports Air kiss agreements,
Network can be used by serial ports.By WIFI module, user may be implemented in remote control motor on mobile phone, can be to motor
Rotating, be adjusted, can remote monitoring motor operating status, can also monitor each item data of motor, make it normal
Operating avoids relevant device being caused to damage because can not control motor in time due to.WIFI is modern life requirement, passes through WIFI
Transmission data is the developing direction of modern product and saves the time, manpower, the important channel of financial resources.
In the present embodiment, buzzer circuit 5 includes：One the 7th resistance R15, a buzzer LS1, one the 5th field-effect tube
Q1, one the 8th resistance R16 and one the 9th resistance R17；Second grade voltage ends V2, the 7th resistance R15, buzzer LS1 and the 5th
The drain electrode of effect pipe Q1 is sequentially connected；The source electrode connection ground terminal GND of 5th field-effect tube Q1, the grid of the 5th field-effect tube Q1
Pass through the 8th resistance R16 connections core board 1；The grid of 5th field-effect tube Q1 passes through the 9th resistance R17 connection ground terminals GND.
For buzzer circuit 5 there are one the 5th field-effect tube Q1, the 5th field-effect tube Q1 is NPN field-effect tube, and buzzer is electric
The on-off action of field-effect tube is utilized in the operation principle on road 5, when core board 1 is to mono- low level of pin PTB4, is imitated according to field
Should pipe operation principle, source electrode, grid, drain electrode conducting, at this time buzzer LS1 start to work.If core board 1 gives pin PTB4 mono-
A high level, at this time the 5th field-effect tube Q1 cannot be connected, buzzer LS1 can't also work.Utilize this characteristic, Ke Yi
When encoder 31 measure that direct current generator M1 rotating speeds are too fast or temperature sensor measure direct current generator M1 operating temperatures it is excessively high when, core
Plate 1 gives mono- low level of pin PTB4, and buzzer LS1 pipes at this time, plays warning effect.
In the present embodiment, circuit of LED 6 includes one first light emitting diode D1,1 the tenth resistance R18,4 second
Light emitting diode D2 and 4 the 11st resistance R19；The anode connection core board 1 of first light emitting diode D1, the first light-emitting diodes
The cathode of pipe D1 passes through the tenth resistance R18 connection ground terminals GND；The anode connection core board 1 of second light emitting diode D2, second
The cathode of light emitting diode D2 passes through 1 the 11st resistance R19 connections core board 1 respectively.
According to the one-way conduction of diode it is found that when core board 1 gives the low electricity of P pins TC0, PTA19, PTE25, PTD15
Usually, the second light emitting diode D2 can be connected, otherwise cannot.According to this characteristic, when direct current generator M1 works, there are one
First light emitting diode D1 can be bright, as work light.When encoder 31 measures, direct current generator M1 rotating speeds are too fast or temperature passes
Sensor measure direct current generator M1 operating temperatures it is excessively high when, core board 1 give pin PTC0, PTA19, PTD15 or PTE25 low level
When, the second light emitting diode D2 is connected at this time, plays warning effect.
In the present embodiment, CAN bus circuit 7 includes：One CAN bus transceiving chip U8, a CAN interface terminal CON1 and one
12nd resistance R35, the voltage ends V2 such as CAN bus transceiving chip U8 connections core board 1, ground terminal GND and second；CAN interface
Terminal CON1 connection CAN bus transceiving chips U8；12nd resistance R35 is in parallel with CAN interface terminal CON1.
CAN is the abbreviation of controller local area network, is public by researching and developing and producing the famous German BOSCH of automobile electronics
Department's exploitation, and eventually become international standard.It is one of most widely used fieldbus in the world.The high-performance of CAN and reliable
Property is accepted, and be widely used in industrial automation, ship, Medical Devices, industrial equipment etc..It is
Real-time, reliable data communication provides strong technical support between dcs realizes each node.CAN bus
The physical layer and data link layer functions of CAN protocol are integrated in circuit 7, the framing processing to communication data can be completed, including
The work of the items such as position filling, data block coding, cyclic redundancy check, priority discrimination.
A kind of DC motor controller with WIFI function of the present embodiment is controlled straight using rotating speed, current double closed-loop
The advantages that flowing governing system, reaching fast dynamic response, strong antijamming capability.Using single closed loop of speed feedback and adjuster
Governing system can ensure that system realizes rotating speed floating under conditions of stablizing again.By changing corresponding to each direct current generator M1
Field-effect tube on off operating mode, change and flow through the current direction of direct current generator M1, and then realize that control direct current generator M1 is positive and negative
Turn, meet the needs of certain equipment invert direct current generator M1.The duty ratio of PWM is changed by core board 1 to realize to straight
The stepless time adjustment of galvanic electricity machine M1 so that direct current generator M1 control effects are more preferable.Direct current generator M1 can be measured by encoder 31
Rotating speed convenient for calculating the deviation of actual speed and theoretical rotational speed, then by double-closed-loop control governing system, reaches accurate control
The purpose of direct current generator M1 processed.Operating temperature during direct current generator M1 operatings can be measured by temperature sensor.Work as direct current
Machine M1 working speeds or when the temperature is excessively high, warning function is played, and can by buzzer LS1 and the second light emitting diode D2
To be shut down by the automatic direct current generator M1 of a switch.It can be realized remotely by host computer online programming by WIFI
The function of direct current generator M1 is controlled, meets the needs of modernized society is to remote control.
The utility model is described in detail above in association with attached drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not be formed to this practicality
Novel restriction, the utility model will be using the ranges that the appended claims define as the scope of protection of the utility model.
Claims (7)
1. a kind of DC motor controller with WIFI function, which is characterized in that including a core board and with the core board
Two H-bridge circuits, an encoder circuit, a wifi circuits, a buzzer circuit, a circuit of LED and a CAN for connection
Bus circuit；
The H-bridge circuit is connect by an isolating chip with the core board；
Each H-bridge circuit connects the isolation by one first isolating chip connecting pin with one second isolating chip connecting pin
Chip；The H-bridge circuit includes：
One first half-bridge driver, first half-bridge driver connect the first isolating chip connecting pin, the electricity such as one first
Pressure side and a ground terminal；
One first diode, the anode of first diode connect the first grade voltage ends, the moon of first diode
Pole connects first half-bridge driver；
One first capacitance, the first end of first capacitance connect the cathode of first diode and first half-bridge driven
Device, the second end of first capacitance connect first half-bridge driver；
One second capacitance, the first end of second capacitance connect the first grade voltage ends and first half-bridge driver,
The second end of second capacitance connects the ground terminal；
One first field-effect tube, the grid of first field-effect tube connect first half-bridge driven by a first resistor
Device；The drain electrode of first field-effect tube connects a battery terminal connections；
One second field-effect tube, the drain electrode of second field-effect tube connect the battery terminal connections；
One direct current generator, the direct current generator are connected to the source electrode of first field-effect tube and the source of second field-effect tube
Between pole；
One third field-effect tube, the grid of the third field-effect tube connect first half-bridge driven by a second resistance
Device；The drain electrode of the third field-effect tube connects the source electrode of first field-effect tube, first half-bridge driver and described
First capacitance；The source electrode of the third field-effect tube connects the ground terminal；
One the 4th field-effect tube, the drain electrode of the 4th field-effect tube connect the source electrode of second field-effect tube；Described 4th
The source electrode of field-effect tube connects the ground terminal；
One second half-bridge driver, second half-bridge driver connect the grid of second field-effect tube by a 3rd resistor
Pole；Second half-bridge driver connects the grid of the 4th field-effect tube by one the 4th resistance；Second half-bridge drives
First grade voltage ends, the second isolating chip connecting pin and the ground terminal described in dynamic device；
One second diode, the anode of second diode connect the first grade voltage ends, the moon of second diode
Pole connects second half-bridge driver；
One third capacitance, the first end of the third capacitance connect the cathode of second diode and second half-bridge driven
Device, the second end of the third capacitance connect the drain electrode of the 4th field-effect tube and second half-bridge driver；With
One the 4th capacitance, the first end of the 4th capacitance connect the first grade voltage ends and second half-bridge driver,
The second end of 4th capacitance connects the ground terminal；
The encoder circuit includes an encoder, and the encoder connects one second grade voltage ends, the core board and described
Ground terminal.
2. the DC motor controller according to claim 1 with WIFI function, which is characterized in that the isolating chip
Using ADuM1400 chips.
3. the DC motor controller according to claim 2 with WIFI function, which is characterized in that the wifi circuits
Including a wifi chip, one the 5th resistance and one the 6th resistance；The voltage ends such as one third connect the wifi chip and described the
The first end of five resistance, the second end of the 5th resistance connect the wifi chip；The wifi chip connects the core
Plate；The wifi chip connects the ground terminal by the 6th resistance, and the wifi chip connects the ground terminal.
4. the DC motor controller according to claim 3 with WIFI function, which is characterized in that the buzzer electricity
Road includes：One the 7th resistance, a buzzer, one the 5th field-effect tube, one the 8th resistance and one the 9th resistance；The second grade electricity
The drain electrode of pressure side, the 7th resistance, the buzzer and the 5th field-effect tube is sequentially connected；5th field-effect tube
Source electrode connect the ground terminal, the grid of the 5th field-effect tube passes through the 8th resistance and connects the core board；Institute
The grid for stating the 5th field-effect tube connects the ground terminal by the 9th resistance.
5. the DC motor controller according to claim 4 with WIFI function, which is characterized in that the light-emitting diodes
Pipe circuit includes one first light emitting diode, 1 the tenth resistance, 4 second Light-Emitting Diodes and 4 the 11st resistance；Described first
The anode of light emitting diode connects the core board, and the cathode of first light emitting diode connects institute by the tenth resistance
State ground terminal；The anode of second light emitting diode connects the core board, the cathode difference of second light emitting diode
The core board is connected by the 11st resistance.
6. the DC motor controller according to claim 5 with WIFI function, which is characterized in that the CAN bus
Circuit includes：
One CAN bus transceiving chip, the CAN bus transceiving chip connect the core board, the ground terminal and described second
Wait voltage ends；
One CAN interface terminal, the CAN interface terminal connect the CAN bus transceiving chip；With
1 the 12nd resistance, the 12nd resistance are in parallel with the CAN interface terminal.
7. the DC motor controller according to claim 6 with WIFI function, which is characterized in that the core board is adopted
With K60 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721438955.0U CN207518498U (en) | 2017-11-01 | 2017-11-01 | DC motor controller with WIFI function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721438955.0U CN207518498U (en) | 2017-11-01 | 2017-11-01 | DC motor controller with WIFI function |
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| Publication Number | Publication Date |
|---|---|
| CN207518498U true CN207518498U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721438955.0U Expired - Fee Related CN207518498U (en) | 2017-11-01 | 2017-11-01 | DC motor controller with WIFI function |
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| Country | Link |
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| CN (1) | CN207518498U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109442569A (en) * | 2018-12-19 | 2019-03-08 | 天津宏达瑞信科技有限公司 | A kind of heating system thermal balance intelligence control system |
| CN110304571A (en) * | 2019-07-23 | 2019-10-08 | 河北同力滑车有限公司 | A kind of automatically-unhooked coaster |
| US10649580B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical use interfaces for manipulating user interface objects with visual and/or haptic feedback |
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2017
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| US10649580B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical use interfaces for manipulating user interface objects with visual and/or haptic feedback |
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