CN205864312U - Circuit for controlling motor and wall-breaking machine - Google Patents
Circuit for controlling motor and wall-breaking machine Download PDFInfo
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- CN205864312U CN205864312U CN201620737756.9U CN201620737756U CN205864312U CN 205864312 U CN205864312 U CN 205864312U CN 201620737756 U CN201620737756 U CN 201620737756U CN 205864312 U CN205864312 U CN 205864312U
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Abstract
The utility model discloses a kind of circuit for controlling motor and wall-breaking machine, wherein this circuit for controlling motor includes controller, Rotating speed measring circuit, on-off circuit and motor；Wherein, on-off circuit, it is switched off or on inputting the external power source to motor；Rotating speed measring circuit, detects the rotating speed of motor；When motor speed being detected not in preset rotation speed scope, the rotating speed that controller arrives according to Rotating speed measring electric circuit inspection, control on-off circuit regulation motor speed；When rotating speed motor being detected is in preset rotation speed scope, controller controls on-off circuit cut-out and inputs the external power source to motor.Technical solutions of the utility model reduce the electric energy loss of motor.
Description
Technical field
This utility model relates to technical field of electric appliances, particularly to a kind of wall-breaking machine.
Background technology
Wall-breaking machine generally includes bowl cover, jar and base, and base is provided with motor, is provided with stirring blade in jar, will
Jar is positioned on base, after covering bowl cover energising, is rotated by driven by motor stirring blade, beats food.
Existing wall-breaking machine sets mixing time, and in the mixing time section set, motor is working always, there is food
After whipping, the motor of wall-breaking machine also continues to the problem of work, wastes electric energy, adds the power consumption of wall-breaking machine.
Utility model content
Main purpose of the present utility model is to provide a kind of circuit for controlling motor, it is intended to the motor reducing wall-breaking machine controls electricity
The electric energy loss on road.
For achieving the above object, the utility model proposes a kind of circuit for controlling motor, this circuit for controlling motor includes control
Device processed, Rotating speed measring circuit, on-off circuit and motor；Wherein,
Described on-off circuit, is switched off or on the external power source of input extremely described motor；
Described Rotating speed measring circuit, detects the rotating speed of motor；
When described motor speed being detected not in preset rotation speed scope, described controller is according to Rotating speed measring electric circuit inspection
The rotating speed arrived, controls described on-off circuit regulation motor speed；When rotating speed motor being detected is in preset rotation speed scope, institute
State controller and control the external power source of on-off circuit cut-out input extremely described motor.
Preferably, described motor includes rotating shaft, and one end of rotating shaft is provided with fan leaf, and a blade of fan leaf is provided with magnetic
Property element；Wherein,
Described Rotating speed measring circuit includes Hall element, and described Hall element is near described magnetics position；Institute
State Hall element and the rotating speed of motor is sampled and transformed into pulse signal.
Preferably, when described fan leaf rotates, described magnetics rotates with；Described magnetics close to described suddenly
Being detected during your sensor, Hall element sensing obtains the first level；At described magnetics away from described hall sensing
Being not detected at during device, Hall element sensing obtains second electrical level.
Preferably, described circuit for controlling motor also includes power-sensing circuit, the described power-sensing circuit merit to motor
Rate detects；When the power that rotating speed motor being detected is in preset rotation speed scope and motor is in predetermined power scope,
Described controller controls on-off circuit and cuts off the external power source of input extremely described motor.
Preferably, the input of described on-off circuit is connected with described external power source, the outfan of described on-off circuit with
First test side of described power-sensing circuit connects, the second test side of described power-sensing circuit and the first of described motor
End connects, and the second end of described motor is also connected with described external power source；The outfan of described power-sensing circuit and described control
First feedback end of device processed connects, and described Hall element is connected with the second feedback end of described controller, described controller
Drive end also controlled end with described on-off circuit is connected.
Preferably, described on-off circuit includes the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the one or three pole
Pipe and controllable silicon；Wherein,
Described silicon controlled anode is connected with described external power source, described silicon controlled negative electrode and described power-sensing circuit
The first test side connect, described silicon controlled control pole through described first resistance and described first audion colelctor electrode even
Connect；First end of described second resistance is connected with described silicon controlled anode, and the second end of described second resistance is controlled with described
The control pole of silicon connects；The grounded emitter of described first audion, the base stage of described first audion is through described 3rd resistance
It is connected with the drive end of described controller；First end of described 4th resistance is connected with the emitter stage of described first audion, institute
The base stage of the second end and described first audion of stating the 4th resistance is connected.
Preferably, described on-off circuit also includes the 5th resistance and the first electric capacity, the first end of described 5th resistance and institute
Stating silicon controlled anode to connect, the second end of described 5th resistance is connected with the first end of described first electric capacity, described first electricity
The second end held is connected with described silicon controlled negative electrode.
Preferably, described 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,
First end of described current transformer primary side is connected with the outfan of described on-off circuit, described current transformer
Second end of primary side is connected with the first end of described motor, the first end of described Current Transformer Secondary side and the described 1st
The anode of pole pipe connects, and the second end of described Current Transformer Secondary side is connected with the negative electrode of described second diode；Described
The negative electrode of one diode is connected with the first end of described 6th resistance；The plus earth of described second diode；Described 3rd 2
The anode of pole pipe is connected with the anode of described second diode, the negative electrode of described 3rd diode and the sun of described first diode
Pole connects；The anode of described 4th diode is connected with the negative electrode of described second diode, the negative electrode of described 4th diode with
The negative electrode of described first diode connects；Described second end of the 6th resistance is connected with the first feedback end of described controller, institute
First end of the second end and described 7th resistance of stating the 6th resistance is connected, the second end ground connection of described 7th resistance.
Preferably, described power-sensing circuit also includes the 8th resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity；Institute
The negative electrode of the first end and described first diode of stating the second electric capacity is connected, the second end of described second electric capacity and the described 2nd 2
The anode of pole pipe connects；First end of described 8th resistance is connected with the first end of described second electric capacity, described 8th resistance
Second end is connected with the second end of described second electric capacity；First end of described 3rd electric capacity connects with the first end of described 7th resistance
Connecing, the second end of described 3rd electric capacity is connected with the second end of described 7th resistance；Described 4th electric capacity is parallel to the described 3rd
Between first end and second end of described 3rd electric capacity of electric capacity.
This utility model also proposes a kind of wall-breaking machine, and described wall-breaking machine includes circuit for controlling motor as above, described
Control circuit includes controller, Rotating speed measring circuit, on-off circuit and motor；Wherein, described on-off circuit, it is switched off or on defeated
Enter the external power source to described motor；Described Rotating speed measring circuit, detects the rotating speed of motor；Described motor detected
Rotating speed not when preset rotation speed scope, the rotating speed that described controller arrives according to Rotating speed measring electric circuit inspection, control described switch electricity
Road regulation motor speed；When rotating speed motor being detected is in preset rotation speed scope, described controller controls on-off circuit and cuts
The external power source of disconnected input extremely described motor.
Technical solutions of the utility model, by arranging controller, Rotating speed measring circuit, on-off circuit and motor, define one
Plant circuit for controlling motor.When described motor speed being detected not in preset rotation speed scope, controller is regulated by on-off circuit
The rotating speed of motor so that motor speed tends to the rotating speed set；Rotating speed in Rotating speed measring electric circuit inspection to motor is in default
During the range of speeds, showing that motor speed tends towards stability, in wall-breaking machine, food has been beaten complete, and controller is cut off by on-off circuit
The external power source of motor, motor quits work, thus avoids the motor of wall-breaking machine after food is beaten and also continuing work
Make, save electric energy, reduce the power consumption of motor.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the functional block diagram of this utility model circuit for controlling motor one embodiment；
Fig. 2 is the electrical block diagram of this utility model circuit for controlling motor one embodiment；
Fig. 3 is the structural representation of this utility model wall-breaking machine one embodiment.
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model rather than all
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
It is to be appreciated that directional instruction (such as up, down, left, right, before and after ...) in this utility model embodiment
It is only used for explanation relative position relation under a certain particular pose (as shown in drawings) between each parts, motion conditions etc., as
When really this particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in this utility model is only used for describing purpose, and it is not understood that
For indicating or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include at least one this feature.It addition, the technical side between each embodiment
Case can be combined with each other, but must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme
Occur conflicting will be understood that the combination of this technical scheme does not exists, the most not in this utility model requirement when maybe cannot realize
Protection domain within.
The utility model proposes a kind of circuit for controlling motor.
With reference to Fig. 1, this circuit for controlling motor includes controller 100, Rotating speed measring circuit 200, on-off circuit 300 and motor
400.Described on-off circuit 300, is switched off or on the external power source of input extremely described motor 400；Described Rotating speed measring circuit
200, the rotating speed of motor 400 is detected；When described motor 400 rotating speed being detected not in preset rotation speed scope, described control
The rotating speed that device 100 processed detects according to Rotating speed measring circuit 200, controls described on-off circuit 300 and regulates motor 400 rotating speed；?
Detecting when the rotating speed of motor 400 is in preset rotation speed scope, described controller 100 controls on-off circuit 300 and cuts off input extremely
The external power source of described motor 400.
The circuit for controlling motor of the present embodiment can be applicable to wall-breaking machine, does this circuit for controlling motor below in conjunction with wall-breaking machine
Further illustrate.In the controller 100 of this wall-breaking machine, burning has associated control software, by the rotating speed of software design patterns motor 400
Scope.General user is block or graininess with the food that wall-breaking machine carries out beating, and when just starting working, duty factor is relatively
Weight, therefore motor 400 power is bigger, and rotating ratio is relatively low, and now controller 100 is by on-off circuit 300 regulation input extremely electricity
The average voltage of machine 400, increases motor 400 rotating speed so that motor 400 rotating speed tends to the rotating speed set；It is stirred at food
After Laiing, because of block object or the flowing of liquid, load is unstable, low during height during rotating speed；After food is pulverized completely, motor
400 rotating speeds can be stable in a range of speeds, i.e. motor 400 rotating speed can reach the state of a balance.The present embodiment passes through
Whether detection motor 400 rotating speed arrives preset rotation speed scope, thus judges whether food is beaten complete.
Technical solutions of the utility model are by arranging controller 100, Rotating speed measring circuit 200, on-off circuit 300 and motor
400, define a kind of circuit for controlling motor.When described motor 400 rotating speed being detected not in preset rotation speed scope, controller
100 regulate the rotating speed of motor 400 by on-off circuit 300 so that motor 400 speed tends to the rotating speed set；At Rotating speed measring
Circuit 200 detects when the rotating speed of motor 400 is in preset rotation speed scope, shows that motor 400 rotating speed tends towards stability, in wall-breaking machine
Food has been beaten complete.Controller 100 cuts off the external power source of motor 400 by on-off circuit 300, and motor 400 quits work.
Thus avoid the motor 400 of wall-breaking machine after food is beaten also working on, save electric energy, reduce motor 400
Power consumption.
Incorporated by reference to reference to Fig. 3, described motor 400 includes that rotating shaft 40, one end of rotating shaft 40 are provided with fan leaf 50, fan leaf 50
A blade on be provided with magnetics 60；Wherein, described Rotating speed measring circuit 200 includes Hall element 210, described Hall
Sensor 210 is near described magnetics 60；The rotating speed of motor 400 is sampled and transformed into by described Hall element 210
Pulse signal.In the present embodiment, this magnetics uses Magnet.
It should be noted that one end of generally motor 400 rotating shaft 40 is arranged with fan leaf 50, enter for motor 400
Row heat radiation.When fan leaf 50 rotates, when magnetics 60 is above Hall element 210, Hall element 210 detects
Magnetics 60；When magnetics 60 is away from Hall element 210, Hall element 210 can't detect magnetics 60, because of
And Hall element 210 according to magnetics 60 closer or far from and output pulse signal, obtain pulse by control circuit
High level lasting time in certain period of signal, is calculated the rotating speed of motor 400.
Specifically, when described fan leaf 50 rotates, described magnetics 60 rotates with；Close at described magnetics 60
Being detected during described Hall element 210, Hall element 210 sensing obtains the first level；Remote at described magnetics 60
Being not detected at when described Hall element 210, Hall element 210 sensing obtains second electrical level.In the present embodiment, use
The Hall element of output rectangular pulse signal.When Hall element 210 detects magnetics 60, Hall element 210 is felt
The electromotive force of correspondence, the low and high level signal that converted rear output is corresponding should be gone out.
Further, described circuit for controlling motor also includes power-sensing circuit 500, and described power-sensing circuit 500 is right
The power of motor 400 detects；At the power that rotating speed motor 400 being detected is in preset rotation speed scope and motor 400
When predetermined power scope, described controller 100 controls on-off circuit 300 and cuts off the external power source of input extremely described motor 400.
It should be noted that after food is beaten, motor 400 rotating speed tends towards stability, its power also tends to stable.This
In embodiment, by power-sensing circuit 500, the electric current of external power source input to motor 400 is detected, then by calculating
After just obtain the power of motor 400.When the power of motor 400 is in predetermined power scope, show that food is beaten complete.Logical
Whether food is beaten by over-power detection circuit 500 and Rotating speed measring circuit 200 simultaneously complete judges, improves breaking cellular wall
The judging nicety rate of machine, improves the control performance of wall-breaking machine.
Specifically, the input of described on-off circuit 300 is connected with described external power source, described on-off circuit 300 defeated
Go out end to be connected with the first test side of described power-sensing circuit 500, the second test side of described power-sensing circuit 500 and institute
The first end stating motor 400 connects, and the second end of described motor 400 is also connected with described external power source；Described power detection electricity
The outfan on road 500 is connected with the first feedback end FB1 of described controller 100, described Hall element 210 and described controller
The second feedback end FB2 of 100 connects, and the drive end DRI of described controller 100 is also with the controlled end of described on-off circuit 300 even
Connect.
Specifically, with reference to Fig. 2, described on-off circuit 300 include the first resistance R1, the second resistance R2, the 3rd resistance R3, the
Four resistance R4, the first audion Q1 and controllable silicon SCR；Wherein,
The anode of described controllable silicon SCR is connected with described external power source, and the negative electrode of described controllable silicon SCR is examined with described power
First test side of slowdown monitoring circuit 500 connects, and the control pole of described controllable silicon SCR is through described first resistance R1 and described one or three pole
The colelctor electrode of pipe Q1 connects；Described first end of the second resistance R2 is connected with the anode of described controllable silicon SCR, described second resistance
Second end of R2 is connected with the control pole of described controllable silicon SCR；The grounded emitter of described first audion Q1, the described 1st
The base stage of pole pipe Q1 is connected with the drive end DRI of described controller 100 through described 3rd resistance R3；The of described 4th resistance R4
One end is connected with the emitter stage of described first audion Q1, and second end of described 4th resistance R4 is with described first audion Q1's
Base stage connects.
Controller 100 controls the break-make of controllable silicon SCR by the first audion Q1, thus is switched off or on input to motor
The external power source of 400, also by the voltage of controllable silicon SCR regulation input to motor 400, thus regulates the rotating speed of motor 400.
Further, described on-off circuit 300 also includes the 5th resistance R5 and the first electric capacity C1, described 5th resistance R5's
First end is connected with the anode of described controllable silicon SCR, second end of described 5th resistance R5 and the first of described first electric capacity C1
End connects, and described second end of the first electric capacity C1 is connected with the negative electrode of described controllable silicon SCR.
5th resistance R5 and the first electric capacity C1 constitutes buffer circuit, prevents the sudden change between controllable silicon SCR anode and negative electrode
Voltage breakdown controllable silicon SCR.
Specifically, described 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,
First end of described current transformer BT primary side is connected with the outfan of described on-off circuit 300, described electric current
Second end of transformer BT primary side is connected with the first end of described motor 400, the first of described current transformer BT secondary side
End is connected with the anode of described first diode D1, the second end of described current transformer BT secondary side and described second diode
The negative electrode of D2 connects；The negative electrode of described first diode D1 is connected with first end of described 6th resistance R6；Described two or two pole
The plus earth of pipe D2；The anode of described 3rd diode D3 is connected with the anode of described second diode D2, and the described 3rd 2
The negative electrode of pole pipe D3 is connected with the anode of described first diode D1；The anode of described 4th diode D4 and described two or two pole
The negative electrode of pipe D2 connects, and the negative electrode of described 4th diode D4 is connected with the negative electrode of described first diode D1；Described 6th electricity
Second end of resistance R6 is connected with the first feedback end FB1 of described controller 100, second end of described 6th resistance R6 and described the
First end of seven resistance R7 connects, the second end ground connection of described 7th resistance R7.
It should be noted that the electric current of input to motor 400 is adopted by current transformer BT by electromagnetic induction principle
Sample.First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 constitute rectification circuit, the electricity to sampling
Stream signal carries out rectification.6th resistance R6 and the 7th resistance R7 constitutes bleeder circuit, and the current signal after rectification is converted into electricity
Pressure signal, then feed back to controller 100.The present embodiment, the running voltage of motor 400 is alternating current 220V (volt), by controlling
After device 100 calculates, just can get the realtime power of motor 400.
Further, described 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；First end of described second electric capacity C2 is connected with the negative electrode of described first diode D1, described second electric capacity C2
The second end be connected with the anode of described second diode D2；First end of described 8th resistance R8 is with described second electric capacity C2's
First end connects, and second end of described 8th resistance R8 is connected with second end of described second electric capacity C2；Described 3rd electric capacity C3
The first end be connected with first end of described 7th resistance R7, second end of described 3rd electric capacity C3 and described 7th resistance R7's
Second end connects；Described 4th electric capacity C4 is parallel to the first end and second end of described 3rd electric capacity C3 of described 3rd electric capacity C3
Between.
8th resistance R8, the second electric capacity C2, the 3rd electric capacity C3 and the 4th electric capacity C4 constitute filter circuit, further to electric current
Signal is filtered, to improve capacity of resisting disturbance.
In the present embodiment, described controller 100 uses control chip to realize, such as single-chip microcomputer etc..
Continuing referring to Fig. 2, Rotating speed measring circuit 200 also includes the first power supply VCC1, current-limiting resistance Rs, the 9th resistance
The power end of R9 and the tenth resistance R10, Hall element SEN (i.e. Hall element 210 in Fig. 3) through current-limiting resistance Rs with
Described first power supply VCC1 connects；The earth terminal ground connection of Hall element SEN；First power supply VCC1 is through the 9th resistance R9 and Hall
The outfan of sensor SEN connects, and the outfan of Hall element SEN is also anti-with the second of controller 100 through the tenth resistance R10
Feedback end FB2 connects.
In the present embodiment, the components and parts such as resistance, electric capacity and diode are all welded on a pcb board 70 (ginseng Fig. 3), to reduce
Take up room.This pcb board 70 is arranged on the base of wall-breaking machine.This Hall element SEN electrically connects with pcb board 70.
By power-sensing circuit 500 and Rotating speed measring circuit 200 to food whether technical solutions of the utility model simultaneously
Complete judged by beating, it is to avoid motor 400 working time in prior art sets long, and food has been beaten
After finishing, the motor of wall-breaking machine also continues to work, thus saves electric energy, reduces the power consumption of motor in wall-breaking machine.
This utility model also proposes a kind of wall-breaking machine, and this wall-breaking machine includes circuit for controlling motor as above, this motor
The concrete structure of control circuit is with reference to above-described embodiment, owing to this wall-breaking machine have employed whole technical sides of above-mentioned all embodiments
Case, the most at least has all beneficial effects that the technical scheme of above-described embodiment is brought, and this is no longer going to repeat them.
In the present embodiment, this wall-breaking machine also includes bowl cover 10, jar 20 and base 30.Motor 400 is arranged at base
30, be additionally provided with stirring blade (not marking in figure) bottom jar 20, when jar 20 is positioned on base 30, stirring blade with
Motor 400 rotating shaft engages.After motor 400 energising, motor 400 drives stirring blade to rotate, to beat food.
Described wall-breaking machine also includes heater (not shown), and this heater can use Electromagnetic Heating.This heating
The electromagnetic heating coil of device is arranged at the base 30 of wall-breaking machine.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every under utility model of the present utility model is conceived, utilize the equivalent structure that this utility model description and accompanying drawing content are made
Conversion, or directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model.
Claims (10)
1. a circuit for controlling motor, it is characterised in that include controller, Rotating speed measring circuit, on-off circuit and motor；Its
In,
Described on-off circuit, is switched off or on the external power source of input extremely described motor；
Described Rotating speed measring circuit, detects the rotating speed of described motor；
When described motor speed being detected not in preset rotation speed scope, described controller arrives according to Rotating speed measring electric circuit inspection
Rotating speed, controls described on-off circuit regulation motor speed；When the rotating speed described motor being detected is in preset rotation speed scope, institute
State controller and control the external power source of described on-off circuit cut-out input extremely described motor.
2. circuit for controlling motor as claimed in claim 1, it is characterised in that described motor includes rotating shaft, and one end of rotating shaft sets
There is fan leaf, a blade of fan leaf is provided with magnetics；Wherein,
Described Rotating speed measring circuit includes Hall element, and described Hall element is near described magnetics；Described Hall passes
Sensor is sampled and transformed into pulse signal to the rotating speed of described motor.
3. circuit for controlling motor as claimed in claim 2, it is characterised in that when described fan leaf rotates, described magnetics
Rotate with；Being detected when described magnetics is close to described Hall element, Hall element sensing obtains the first electricity
Flat；Being not detected at when described magnetics is away from described Hall element, Hall element sensing obtains second electrical level.
4. the circuit for controlling motor as described in claim 1-3 any one, it is characterised in that described circuit for controlling motor also wraps
Including power-sensing circuit, the power of described motor is detected by described power-sensing circuit；Turning of described motor detected
Speed is in the power of preset rotation speed scope and described motor when being in predetermined power scope, and described controller controls on-off circuit and cuts
The external power source of disconnected input extremely described motor.
5. circuit for controlling motor as claimed in claim 4, it is characterised in that the input of described on-off circuit and described outside
Power supply connects, and the outfan of described on-off circuit is connected with the first test side of described power-sensing circuit, described power detection
Second test side of circuit is connected with the first end of described motor, and the second end of described motor is also connected with described external power source；
The outfan of described power-sensing circuit is connected with the first feedback end of described controller, described Hall element and described control
Second feedback end of device connects, and the drive end of described controller also controlled end with described on-off circuit is connected.
6. circuit for controlling motor as claimed in claim 1, it is characterised in that described on-off circuit include the first resistance, second
Resistance, the 3rd resistance, the 4th resistance, the first audion and controllable silicon；Wherein,
Described silicon controlled anode is connected with described external power source, the of described silicon controlled negative electrode and described power-sensing circuit
One test side connects, and described silicon controlled controls pole and is connected through the colelctor electrode of described first resistance with described first audion；Institute
The first end stating the second resistance is connected with described silicon controlled anode, the second end of described second resistance and described silicon controlled control
Pole processed connects；The grounded emitter of described first audion, the base stage of described first audion through described 3rd resistance with described
The drive end of controller connects；First end of described 4th resistance is connected with the emitter stage of described first audion, and the described 4th
Second end of resistance is connected with the base stage of described first audion.
7. circuit for controlling motor as claimed in claim 6, it is characterised in that described on-off circuit also includes the 5th resistance and the
One electric capacity, the first end of described 5th resistance is connected with described silicon controlled anode, and the second end of described 5th resistance is with described
First end of the first electric capacity connects, and the second end of described first electric capacity is connected with described silicon controlled negative electrode.
8. circuit for controlling motor as claimed in claim 4, it is characterised in that described 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,
First end of described current transformer primary side is connected with the outfan of described on-off circuit, and described current transformer is once
Second end of side is connected with the first end of described motor, the first end of described Current Transformer Secondary side and described first diode
Anode connect, the second end of described Current Transformer Secondary side is connected with the negative electrode of described second diode；Described 1st
The negative electrode of pole pipe is connected with the first end of described 6th resistance；The plus earth of described second diode；Described 3rd diode
Anode be connected with the anode of described second diode, the anode of the negative electrode of described 3rd diode and described first diode is even
Connect；The anode of described 4th diode is connected with the negative electrode of described second diode, and the negative electrode of described 4th diode is with described
The negative electrode of the first diode connects；Described second end of the 6th resistance is connected with the first feedback end of described controller, and described
Second end of six resistance is connected with the first end of described 7th resistance, the second end ground connection of described 7th resistance.
9. circuit for controlling motor as claimed in claim 8, it is characterised in that described power-sensing circuit also includes the 8th electricity
Resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity；First end of described second electric capacity connects with the negative electrode of described first diode
Connecing, the second end of described second electric capacity is connected with the anode of described second diode；First end of described 8th resistance is with described
First end of the second electric capacity connects, and the second end of described 8th resistance is connected with the second end of described second electric capacity；Described 3rd
First end of electric capacity is connected with the first end of described 7th resistance, the of the second end of described 3rd electric capacity and described 7th resistance
Two ends connect；Described 4th electric capacity is parallel between the first end and second end of described 3rd electric capacity of described 3rd electric capacity.
10. a wall-breaking machine, it is characterised in that described wall-breaking machine includes the motor control as described in claim 1-9 any one
Circuit processed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620737756.9U CN205864312U (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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620737756.9U CN205864312U (en) | 2016-07-11 | 2016-07-11 | Circuit for controlling motor and wall-breaking machine |
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| Publication Number | Publication Date |
|---|---|
| CN205864312U true CN205864312U (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620737756.9U Active CN205864312U (en) | 2016-07-11 | 2016-07-11 | Circuit for controlling motor and wall-breaking machine |
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| CN (1) | CN205864312U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018010563A1 (en) * | 2016-07-11 | 2018-01-18 | 广东美的生活电器制造有限公司 | Motor control circuit and high-speed blender |
| CN107612450A (en) * | 2016-07-11 | 2018-01-19 | 广东美的生活电器制造有限公司 | Circuit for controlling motor and wall-breaking machine |
| CN108497952A (en) * | 2017-02-23 | 2018-09-07 | 广东美的生活电器制造有限公司 | Food cooking machine and its anti-blocking rotary device, method |
| WO2019024233A1 (en) * | 2017-08-04 | 2019-02-07 | 广东美的生活电器制造有限公司 | Food processor |
| CN110151018A (en) * | 2018-02-11 | 2019-08-23 | 广东美的生活电器制造有限公司 | Food processor and its whipping control device and method |
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2016
- 2016-07-11 CN CN201620737756.9U patent/CN205864312U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018010563A1 (en) * | 2016-07-11 | 2018-01-18 | 广东美的生活电器制造有限公司 | Motor control circuit and high-speed blender |
| CN107612450A (en) * | 2016-07-11 | 2018-01-19 | 广东美的生活电器制造有限公司 | Circuit for controlling motor and wall-breaking machine |
| CN107612450B (en) * | 2016-07-11 | 2024-06-21 | 广东美的生活电器制造有限公司 | Motor control circuit and broken wall machine |
| CN108497952A (en) * | 2017-02-23 | 2018-09-07 | 广东美的生活电器制造有限公司 | Food cooking machine and its anti-blocking rotary device, method |
| WO2019024233A1 (en) * | 2017-08-04 | 2019-02-07 | 广东美的生活电器制造有限公司 | Food processor |
| CN110151018A (en) * | 2018-02-11 | 2019-08-23 | 广东美的生活电器制造有限公司 | Food processor and its whipping control device and method |
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