CN107612450A - Circuit for controlling motor and wall-breaking machine - Google Patents
Circuit for controlling motor and wall-breaking machine Download PDFInfo
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- CN107612450A CN107612450A CN201610547532.6A CN201610547532A CN107612450A CN 107612450 A CN107612450 A CN 107612450A CN 201610547532 A CN201610547532 A CN 201610547532A CN 107612450 A CN107612450 A CN 107612450A
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Abstract
The invention discloses a kind of circuit for controlling motor and wall-breaking machine, the wherein circuit for controlling motor includes controller, Rotating speed measring circuit, on-off circuit and motor;Wherein, on-off circuit, input is switched off or on to the external power source of motor;Rotating speed measring circuit, the rotating speed of motor is detected;When the rotating speed for detecting motor is in preset rotation speed scope, controller controlling switch circuitry cuts are inputted to the external power source of motor.Technical solution of the present invention reduces the electric energy loss of motor.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly to a kind of wall-breaking machine.
Background technology
Wall-breaking machine generally includes cup lid, jar and base, and base is provided with motor, stirring blade is provided with jar, will
Jar is positioned on base, after covering cup lid energization, is rotated by motor driven stirring blade, food is beaten.
Existing wall-breaking machine sets mixing time, and motor is working always in the mixing time section of setting, food be present
The problem of motor of wall-breaking machine also continues to work after whipping, wastes electric energy, adds the power consumption of wall-breaking machine.
The content of the invention
The main object of the present invention is to provide a kind of circuit for controlling motor, it is intended to reduces the circuit for controlling motor of wall-breaking machine
Electric energy loss.
To achieve the above object, the present invention proposes a kind of circuit for controlling motor, the circuit for controlling motor include controller,
Rotating speed measring circuit, on-off circuit and motor;Wherein,
The on-off circuit, input is switched off or on to the external power source of the motor;
The Rotating speed measring circuit, is detected to the rotating speed of motor;
When the rotating speed for detecting motor is in preset rotation speed scope, the controller controlling switch circuitry cuts input to
The external power source of the motor.
Preferably, the motor includes rotating shaft, and one end of rotating shaft is provided with fan leaf, magnetic is provided with a blade of fan leaf
Property element;Wherein,
The Rotating speed measring circuit includes Hall sensor, and the Hall sensor is close to the magnetic element position;Institute
State Hall sensor the rotating speed of motor is carried out being sampled and transformed into pulse signal.
Preferably, during the fan leaf rotation, the magnetic element rotates with;Described in being approached in the magnetic element suddenly
It is detected during your sensor, Hall sensor senses to obtain the first level;In the magnetic element away from the hall sensing
It is not detected at during device, Hall sensor senses to obtain second electrical level.
Preferably, the circuit for controlling motor also includes power-sensing circuit, work(of the power-sensing circuit to motor
Rate is detected;When the power that the rotating speed for detecting motor is in preset rotation speed scope and motor is in predetermined power scope,
The controller controlling switch circuitry cuts are inputted to the external power source of the motor.
Preferably, the input of the on-off circuit is connected with the external power source, the output end of the on-off circuit with
The first test side connection of the power-sensing circuit, the second test side of the power-sensing circuit and the first of the motor
End connection, the second end of the motor is also connected with the external power source;The output end of the power-sensing circuit and the control
The first feedback end connection of device processed, the Hall sensor are connected with the second feedback end of the controller, the controller
Controlled end of the drive end also with the on-off circuit is connected.
Preferably, the on-off circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the one or three pole
Pipe and controllable silicon;Wherein,
The anode of the controllable silicon is connected with the external power source, the negative electrode of the controllable silicon and the power-sensing circuit
The connection of the first test side, the colelctor electrode of the control pole of the controllable silicon through the first resistor and first triode connects
Connect;The first end of the second resistance is connected with the anode of the controllable silicon, the second end of the second resistance with it is described controllable
The control pole connection of silicon;The grounded emitter of first triode, the base stage of first triode is through the 3rd resistor
It is connected with the drive end of the controller;The first end of 4th resistance is connected with the emitter stage of first triode, institute
The second end for stating the 4th resistance is connected with the base stage of first triode.
Preferably, the on-off circuit also includes the 5th resistance and the first electric capacity, the first end of the 5th resistance and institute
The anode connection of controllable silicon is stated, the second end of the 5th resistance is connected with the first end of first electric capacity, first electricity
The second end held is connected with the negative electrode of the controllable silicon.
Preferably, the power-sensing circuit includes the first diode, the second diode, the 3rd diode, the four or two pole
Pipe, the 6th resistance, the 7th resistance and current transformer;Wherein,
The first end of the current transformer primary side is connected with the output end of the on-off circuit, the current transformer
Second end of primary side is connected with the first end of the motor, the first end of the Current Transformer Secondary side and the described 1st
The anode connection of pole pipe, the second end of the Current Transformer Secondary side is connected with the negative electrode of second diode;Described
The negative electrode of one diode is connected with the first end of the 6th resistance;The plus earth of second diode;Described 3rd 2
The anode of pole pipe is connected with the anode of second diode, the negative electrode of the 3rd diode and the sun of first diode
Pole connects;The anode of 4th diode is connected with the negative electrode of second diode, the negative electrode of the 4th diode with
The negative electrode connection of first diode;Second end of the 6th resistance is connected with the first feedback end of the controller, institute
The second end for stating the 6th resistance is connected with the first end of the 7th resistance, the second end ground connection of the 7th resistance.
Preferably, the power-sensing circuit also includes the 8th resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity;Institute
The first end for stating the second electric capacity is connected with the negative electrode of first diode, the second end of second electric capacity and the described 2nd 2
The anode connection of pole pipe;The first end of 8th resistance is connected with the first end of second electric capacity, the 8th resistance
Second end is connected with the second end of second electric capacity;The first end of 3rd electric capacity connects with the first end of the 7th resistance
Connect, the second end of the 3rd electric capacity is connected with the second end of the 7th resistance;4th electric capacity is parallel to the described 3rd
Between second end of the first end of electric capacity and the 3rd electric capacity.
The present invention also proposes a kind of wall-breaking machine, and the wall-breaking machine includes circuit for controlling motor as described above, the control
Circuit includes controller, Rotating speed measring circuit, on-off circuit and motor;Wherein, the on-off circuit, it is switched off or on input extremely
The external power source of the motor;The Rotating speed measring circuit, is detected to the rotating speed of motor;At the rotating speed for detecting motor
When preset rotation speed scope, the controller controlling switch circuitry cuts are inputted to the external power source of the motor.
Technical solution of the present invention forms a kind of electricity by setting controller, Rotating speed measring circuit, on-off circuit and motor
Machine control circuit.When the rotating speed of Rotating speed measring electric circuit inspection to motor is in preset rotation speed scope, show that motor speed tends to
Stable, food, which has been beaten, in wall-breaking machine finishes, and controller cuts off the external power source of motor by on-off circuit, and motor stops work
Make, also worked on so as to avoid the motor of the wall-breaking machine after food is beaten, saving electric energy, reduce motor
Power consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the functional block diagram of the embodiment of circuit for controlling motor one of the present invention;
Fig. 2 is the electrical block diagram of the embodiment of circuit for controlling motor one of the present invention;
Fig. 3 is the structural representation of the embodiment of wall-breaking machine one of the present invention.
Drawing reference numeral explanation:
Label | Title | Label | Title |
100 | Controller | Q1 | First triode |
200 | Rotating speed measring circuit | D1 | First diode |
210 | Hall sensor | D2 | Second diode |
300 | On-off circuit | D3 | 3rd diode |
400 | Motor | D4 | 4th diode |
500 | Power-sensing circuit | SCR | Controllable silicon |
10 | Cup lid | BT | Current transformer |
20 | Jar | R1 | First resistor |
30 | Base | R2 | Second resistance |
40 | Rotating shaft | R3 | 3rd resistor |
50 | Fan leaf | R4 | 4th resistance |
60 | Magnetic element | R5 | 5th resistance |
70 | Pcb board | R6 | 6th resistance |
C1 | First electric capacity | R7 | 7th resistance |
C2 | Second electric capacity | R8 | 8th resistance |
C3 | 3rd electric capacity | R9 | 9th resistance |
C4 | 4th electric capacity | R10 | Tenth resistance |
C5 | 5th electric capacity | Rs | Current-limiting resistance |
VCC1 | First power supply |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims
Within enclosing.
The present invention proposes a kind of circuit for controlling motor.
Reference picture 1, the circuit for controlling motor include controller 100, Rotating speed measring circuit 200, on-off circuit 300 and motor
400.The on-off circuit 300, input is switched off or on to the external power source of the motor 400;The Rotating speed measring circuit
200, the rotating speed of motor 400 is detected;When the rotating speed for detecting motor 400 is in preset rotation speed scope, the control
The cut-out of the controlling switch circuit 300 of device 100 is inputted to the external power source of the motor 400.
The circuit for controlling motor of the present embodiment can be applied to wall-breaking machine, and the circuit for controlling motor is done below in conjunction with wall-breaking machine
Further illustrate.Burning has associated control software in the controller 100 of the wall-breaking machine, passes through the rotating speed of software design patterns motor 400
Scope.The food that general user is beaten with wall-breaking machine is all block or graininess, when just starting working, duty factor compared with
Weight, therefore the power of motor 400 is bigger, rotating ratio is relatively low;After food is stirred, because of block objects or the stream of liquid
Dynamic, load is unstable, low when high during rotating speed;After food crushes completely, the rotating speed of motor 400 can be stable at a range of speeds
Interior, i.e., the rotating speed of motor 400 can reach the state of a balance.The present embodiment by detect the rotating speed of motor 400 whether reach it is default
The range of speeds, finished so as to judge whether food is beaten.
Technical solution of the present invention by setting controller 100, Rotating speed measring circuit 200, on-off circuit 300 and motor 400,
Form a kind of circuit for controlling motor.The rotating speed for detecting motor 400 in Rotating speed measring circuit 200 is in preset rotation speed scope
When, show that the rotating speed of motor 400 tends towards stability, food, which has been beaten, in wall-breaking machine finishes.Controller 100 is cut by on-off circuit 300
The external power source of power machine 400, motor 400 are stopped.So as to avoid the motor 400 of the wall-breaking machine after food is beaten also
Working on, saving electric energy, reducing the power consumption of motor 400.
Incorporated by reference to reference picture 3, the motor 400 includes rotating shaft 40, and one end of rotating shaft 40 is provided with fan leaf 50, fan leaf 50
A blade on be provided with magnetic element 60;Wherein, the Rotating speed measring circuit 200 includes Hall sensor 210, the Hall
Sensor 210 is close to the magnetic element 60;The Hall sensor 210 is sampled and transformed into the rotating speed of motor 400
Pulse signal.In the present embodiment, the magnetic element uses magnet.
It should be noted that one end of the generally rotating shaft 40 of motor 400 is arranged with fan leaf 50, for entering to motor 400
Row radiating.When fan leaf 50 rotates, when magnetic element 60 is by 210 top of Hall sensor, Hall sensor 210 detects
Magnetic element 60;When magnetic element 60 is away from Hall sensor 210, Hall sensor 210 can't detect magnetic element 60, because
And Hall sensor 210 according to magnetic element 60 closer or far from and output pulse signal, pulse is obtained by control circuit
High level lasting time in certain time of signal, the rotating speed of motor 400 is calculated.
Specifically, when the fan leaf 50 rotates, the magnetic element 60 rotates with;It is close in the magnetic element 60
It is detected during the Hall sensor 210, the sensing of Hall sensor 210 obtains the first level;It is remote in the magnetic element 60
It is not detected at during from the Hall sensor 210, the sensing of Hall sensor 210 obtains second electrical level.In the present embodiment, use
Export the Hall sensor of rectangular pulse signal.When Hall sensor 210 detects magnetic element 60, Hall sensor 210 is felt
Corresponding electromotive force, low and high level signal corresponding to converted rear output should be gone out.
Further, the circuit for controlling motor also includes power-sensing circuit 500, and the power-sensing circuit 500 is right
The power of motor 400 is detected;It is in the rotating speed for detecting motor 400 at the power of preset rotation speed scope and motor 400
When predetermined power scope, the external power source of the controlling switch circuit 300 of the controller 100 cut-out input to the motor 400.
It should be noted that after food is beaten, the rotating speed of motor 400 tends towards stability, and its power also tends to stabilization.This
In embodiment, outside power input to the electric current of motor 400 is detected by power-sensing circuit 500, then pass through calculating
The power of motor 400 is just obtained afterwards.When the power of motor 400 is in predetermined power scope, shows that food is beaten and finish.It is logical
Over-power detection circuit 500 and Rotating speed measring circuit 200 are judged whether food is finished by whipping simultaneously, improve broken wall
The judging nicety rate of machine, improve the control performance of wall-breaking machine.
Specifically, the input of the on-off circuit 300 is connected with the external power source, the on-off circuit 300 it is defeated
Go out end to be connected with the first test side of the power-sensing circuit 500, the second test side of the power-sensing circuit 500 and institute
The first end connection of motor 400 is stated, the second end of the motor 400 is also connected with the external power source;The power detection electricity
The output end on road 500 is connected with the first feedback end FB1 of the controller 100, the Hall sensor 210 and the controller
100 the second feedback end FB2 connections, the drive end DRI of the controller 100 also connect with the controlled end of the on-off circuit 300
Connect.
Specifically, reference picture 2, the on-off circuit 300 include first resistor R1, second resistance R2,3rd resistor R3, the
Four resistance R4, the first triode Q1 and controllable silicon SCR;Wherein,
The anode of the controllable silicon SCR is connected with the external power source, and the negative electrode of the controllable silicon SCR is examined with the power
The first test side connection of slowdown monitoring circuit 500, the control pole of the controllable silicon SCR is through the first resistor R1 and the one or three pole
Pipe Q1 colelctor electrode connection;The first end of the second resistance R2 is connected with the anode of the controllable silicon SCR, the second resistance
R2 the second end is connected with the control pole of the controllable silicon SCR;The grounded emitter of the first triode Q1, the described 1st
Pole pipe Q1 base stage is connected through the 3rd resistor R3 with the drive end DRI of the controller 100;The of the 4th resistance R4
One end is connected with the emitter stage of the first triode Q1, and the second end of the 4th resistance R4 is with the first triode Q1's
Base stage connects.
Controller 100 controls the break-make of controllable silicon SCR by the first triode Q1, so as to be switched off or on input to motor
400 external power source.
Further, the on-off circuit 300 also includes the 5th resistance R5 and the first electric capacity C1, the 5th resistance R5's
First end is connected with the anode of the controllable silicon SCR, the second end of the 5th resistance R5 and the first of the first electric capacity C1
End connection, the second end of the first electric capacity C1 is connected with the negative electrode of the controllable silicon SCR.
5th resistance R5 and the first electric capacity C1 forms buffer circuit, prevents the mutation between controllable silicon SCR anode and negative electrode
Voltage breakdown controllable silicon SCR.
Specifically, the power-sensing circuit 500 include the first diode D1, the second diode D2, the 3rd diode D3,
4th diode D4, the 6th resistance R6, the 7th resistance R7 and current transformer BT;Wherein,
The first end of the current transformer BT primary sides is connected with the output end of the on-off circuit 300, the electric current
Second end of transformer BT primary sides is connected with the first end of the motor 400, and the first of the current transformer BT secondary sides
End is connected with the anode of the first diode D1, the second end of the current transformer BT secondary sides and second diode
D2 negative electrode connection;The negative electrode of the first diode D1 is connected with the first end of the 6th resistance R6;Two or two pole
Pipe D2 plus earth;The anode of the 3rd diode D3 is connected with the anode of the second diode D2, and the described 3rd 2
Pole pipe D3 negative electrode is connected with the anode of the first diode D1;The anode of the 4th diode D4 and the two or two pole
Pipe D2 negative electrode connection, the negative electrode of the 4th diode D4 are connected with the negative electrode of the first diode D1;6th electricity
Resistance R6 the second end is connected with the first feedback end FB1 of the controller 100, the second end of the 6th resistance R6 and described the
Seven resistance R7 first end connection, the second end ground connection of the 7th resistance R7.
It should be noted that current transformer BT is adopted by electromagnetic induction principle to the electric current inputted to motor 400
Sample.First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 form rectification circuit, to the electricity of sampling
Flow signal and carry out rectification.6th resistance R6 and the 7th resistance R7 forms bleeder circuit, and the current signal after rectification is converted into electricity
Signal is pressed, then feeds back to controller 100.The present embodiment, the operating voltage of motor 400 is alternating current 220V (volt), passes through control
After device 100 is calculated, the realtime power of motor 400 can be obtained.
Further, the power-sensing circuit 500 also include the 8th resistance R8, the second electric capacity C2, the 3rd electric capacity C3 and
4th electric capacity C4;The first end of the second electric capacity C2 is connected with the negative electrode of the first diode D1, the second electric capacity C2
The second end be connected with the anode of the second diode D2;The first end of the 8th resistance R8 is with the second electric capacity C2's
First end is connected, and the second end of the 8th resistance R8 is connected with the second end of the second electric capacity C2;The 3rd electric capacity C3
First end be connected with the first end of the 7th resistance R7, the second end of the 3rd electric capacity C3 is with the 7th resistance R7's
Second end connects;The 4th electric capacity C4 is parallel to the first end of the 3rd electric capacity C3 and the second end of the 3rd electric capacity C3
Between.
8th resistance R8, the second electric capacity C2, the 3rd electric capacity C3 and the 4th electric capacity C4 form filter circuit, further to electric current
Signal is filtered, to improve antijamming capability.
In the present embodiment, the controller 100 is realized using control chip, such as single-chip microcomputer etc..
Fig. 2 is continued referring to, Rotating speed measring circuit 200 also includes the first power supply VCC1, current-limiting resistance Rs, the 9th resistance
R9 and the tenth resistance R10, Hall sensor SEN (i.e. Hall sensor 210 in Fig. 3) power end through current-limiting resistance Rs with
The first power supply VCC1 connections;Hall sensor SEN earth terminal ground connection;First power supply VCC1 is through the 9th resistance R9 and Hall
Sensor SEN output end connection, Hall sensor SEN output end also second through the tenth resistance R10 and controller 100 are anti-
Present end FB2 connections.
In the present embodiment, the component such as resistance, electric capacity and diode is welded on a pcb board 70 (ginseng Fig. 3), to reduce
Space-consuming.The pcb board 70 is arranged on the base of wall-breaking machine.Hall sensor SEN electrically connects with pcb board 70.
Whether technical solution of the present invention is stirred food simultaneously by power-sensing circuit 500 and Rotating speed measring circuit 200
Beat to finish and judged, the working time of motor 400 setting avoided in prior art is long, after food has been beaten
The motor of wall-breaking machine also continues to work, so as to save electric energy, reduces the power consumption of motor in wall-breaking machine.
The present invention also proposes a kind of wall-breaking machine, and the wall-breaking machine includes circuit for controlling motor as described above, the motor control
Concrete structure reference above-described embodiment of circuit, because this wall-breaking machine employs whole technical schemes of above-mentioned all embodiments,
Therefore all beneficial effects at least caused by the technical scheme with above-described embodiment, this is no longer going to repeat them.
In the present embodiment, the wall-breaking machine also includes cup lid 10, jar 20 and base 30.Motor 400 is arranged at base
30, the bottom of jar 20 is additionally provided with stirring blade (not marked in figure), when jar 20 is positioned on base 30, stirring blade with
The rotating shaft of motor 400 engages.After motor 400 is powered, motor 400 drives stirring blade rotation, to be beaten to food.
The wall-breaking machine also includes heater (not shown), and the heater can use Electromagnetic Heating.The heating
The electromagnetic heating coil of device is arranged at the base 30 of wall-breaking machine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of circuit for controlling motor, it is characterised in that including controller, Rotating speed measring circuit, on-off circuit and motor;Its
In,
The on-off circuit, input is switched off or on to the external power source of the motor;
The Rotating speed measring circuit, is detected to the rotating speed of the motor;
When the rotating speed for detecting the motor is in preset rotation speed scope, the controller controls the on-off circuit cut-out defeated
Enter to the external power source of the motor.
2. circuit for controlling motor as claimed in claim 1, it is characterised in that the motor includes rotating shaft, and one end of rotating shaft is set
There is fan leaf, magnetic element is provided with a blade of fan leaf;Wherein,
The Rotating speed measring circuit includes Hall sensor, and the Hall sensor is close to the magnetic element;The Hall passes
Sensor carries out being sampled and transformed into pulse signal to the rotating speed of the motor.
3. circuit for controlling motor as claimed in claim 2, it is characterised in that during the fan leaf rotation, the magnetic element
Rotate with;It is detected when the magnetic element is close to the Hall sensor, Hall sensor senses to obtain the first electricity
It is flat;It is not detected at when the magnetic element is away from the Hall sensor, Hall sensor senses to obtain second electrical level.
4. the circuit for controlling motor as described in claim 1-3 any one, it is characterised in that the circuit for controlling motor also wraps
Power-sensing circuit is included, the power-sensing circuit detects to the power of the motor;Detecting turning for the motor
When power of the speed in preset rotation speed scope and the motor is in predetermined power scope, the controller controlling switch circuit is cut
It is disconnected to input to the external power source of the motor.
5. circuit for controlling motor as claimed in claim 4, it is characterised in that the input of the on-off circuit and the outside
Power supply is connected, and the output end of the on-off circuit is connected with the first test side of the power-sensing circuit, the power detection
Second test side of circuit is connected with the first end of the motor, and the second end of the motor is also connected with the external power source;
The output end of the power-sensing circuit is connected with the first feedback end of the controller, the Hall sensor and the control
The second feedback end connection of device, the controlled end of the drive end of the controller also with the on-off circuit are connected.
6. circuit for controlling motor as claimed in claim 1, it is characterised in that the on-off circuit includes first resistor, second
Resistance, 3rd resistor, the 4th resistance, the first triode and controllable silicon;Wherein,
The anode of the controllable silicon is connected with the external power source, and the of the negative electrode of the controllable silicon and the power-sensing circuit
One test side is connected, and the control pole of the controllable silicon is connected through the first resistor with the colelctor electrode of first triode;Institute
The first end for stating second resistance is connected with the anode of the controllable silicon, the second end of the second resistance and the control of the controllable silicon
Pole connection processed;The grounded emitter of first triode, the base stage of first triode through the 3rd resistor with it is described
The drive end connection of controller;The first end of 4th resistance is connected with the emitter stage of first triode, and the described 4th
Second end of resistance is connected with the base stage of first triode.
7. circuit for controlling motor as claimed in claim 6, it is characterised in that the on-off circuit also includes the 5th resistance and the
One electric capacity, the first end of the 5th resistance are connected with the anode of the controllable silicon, the second end of the 5th resistance with it is described
The first end connection of first electric capacity, the second end of first electric capacity is connected with the negative electrode of the controllable silicon.
8. circuit for controlling motor as claimed in claim 4, it is characterised in that the power-sensing circuit includes the one or two pole
Pipe, the second diode, the 3rd diode, the 4th diode, the 6th resistance, the 7th resistance and current transformer;Wherein,
The first end of the current transformer primary side is connected with the output end of the on-off circuit, and the current transformer is once
Second end of side is connected with the first end of the motor, the first end of the Current Transformer Secondary side and first diode
Anode connection, the second end of the Current Transformer Secondary side is connected with the negative electrode of second diode;Described 1st
The negative electrode of pole pipe is connected with the first end of the 6th resistance;The plus earth of second diode;3rd diode
Anode be connected with the anode of second diode, the anode of the negative electrode of the 3rd diode and first diode connects
Connect;The anode of 4th diode is connected with the negative electrode of second diode, the negative electrode of the 4th diode with it is described
The negative electrode connection of first diode;Second end of the 6th resistance is connected with the first feedback end of the controller, and described
Second end of six resistance is connected with the first end of the 7th resistance, the second end ground connection of the 7th resistance.
9. circuit for controlling motor as claimed in claim 8, it is characterised in that the power-sensing circuit also includes the 8th electricity
Resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity;The first end of second electric capacity and the negative electrode of first diode connect
Connect, the second end of second electric capacity is connected with the anode of second diode;The first end of 8th resistance with it is described
The first end connection of second electric capacity, the second end of the 8th resistance is connected with the second end of second electric capacity;Described 3rd
The first end of electric capacity is connected with the first end of the 7th resistance, and the of the second end of the 3rd electric capacity and the 7th resistance
Two ends connect;4th electric capacity is parallel between the first end of the 3rd electric capacity and the second end of the 3rd electric capacity.
10. a kind of wall-breaking machine, it is characterised in that the wall-breaking machine includes the motor control as described in claim 1-9 any one
Circuit processed.
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CN201610547532.6A CN107612450A (en) | 2016-07-11 | 2016-07-11 | Circuit for controlling motor and wall-breaking machine |
PCT/CN2017/091504 WO2018010563A1 (en) | 2016-07-11 | 2017-07-03 | Motor control circuit and high-speed blender |
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CN201610547532.6A CN107612450A (en) | 2016-07-11 | 2016-07-11 | Circuit for controlling motor and wall-breaking machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114617449A (en) * | 2020-12-11 | 2022-06-14 | 广东美的生活电器制造有限公司 | Control method and device for domestic electric appliance, domestic electric appliance and readable storage medium |
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CN1302958A (en) * | 2000-12-22 | 2001-07-11 | 广东美的集团股份有限公司 | Electric fan |
CN1520022A (en) * | 2002-12-11 | 2004-08-11 | ������������ʽ���� | Rotational speed controller |
CN101997477A (en) * | 2009-08-17 | 2011-03-30 | 樱花卫厨(中国)股份有限公司 | PWM pulse regulating circuit for motor of range hood |
CN105435917A (en) * | 2015-12-22 | 2016-03-30 | 珠海格力电器股份有限公司 | Food waste disposer and control method thereof |
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US3660738A (en) * | 1970-09-21 | 1972-05-02 | Gen Electric | Direct current control circuit |
KR19990009614A (en) * | 1997-07-10 | 1999-02-05 | 최진호 | Cleaner motor control |
CN1302958A (en) * | 2000-12-22 | 2001-07-11 | 广东美的集团股份有限公司 | Electric fan |
CN1520022A (en) * | 2002-12-11 | 2004-08-11 | ������������ʽ���� | Rotational speed controller |
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