CN206060593U - For the control circuit of wall-breaking machine - Google Patents
For the control circuit of wall-breaking machine Download PDFInfo
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- CN206060593U CN206060593U CN201620995750.1U CN201620995750U CN206060593U CN 206060593 U CN206060593 U CN 206060593U CN 201620995750 U CN201620995750 U CN 201620995750U CN 206060593 U CN206060593 U CN 206060593U
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- resistance
- motor
- controllable silicon
- optocoupler
- control circuit
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Abstract
This utility model embodiment provides the control circuit for wall-breaking machine, it is related to wall-breaking machine, including switch power module, and the motor-drive circuit optocoupler controllable silicon U1 that is connected with switch power module and motor controllable silicon TR1, the first input end of optocoupler controllable silicon U1 is connected with single-chip microcomputer, first outfan of optocoupler controllable silicon U1 is connected with the control end of motor controllable silicon TR1 through resistance R7, the negative electrode of motor controllable silicon TR1 is connected with civil power ACL end, and the anode of motor controllable silicon TR1 is connected with motor control terminal B.High voltage is promoted to from low-voltage by the output of motor controllable silicon TR1, finally it is promoted to and civil power identical voltage, during regulation, with the rising of voltage, the rotating speed of motor is also gradually increased, so as to avoid the rotating speed of motor in prior art from zero be rapidly increased to total power rotating speed when produce and significantly shake, and then reduce the noise that vibrations bring.
Description
Technical field
This utility model is related to wall-breaking machine, more particularly to for the control circuit of wall-breaking machine.
Background technology
Breaking cellular wall cooking machine is that one kind has gathered the product functions such as juice extractor, soy bean milk making machine, Ice-cream machine, cooking machine, grinder
Machine.After wall-breaking machine is powered operating, as (more than 25000 revs/min) of ultrahigh rotating speed can break up the cell wall of vegetables and fruits moment,
Plant biochemistry element is extracted effectively.
Currently on the market fast-selling wall-breaking machine in shell-broken effect consideration, use mostly power one kilowatt with
On heavy-duty motor, such motor from static state to operating after can produce very big impact, cause wall-breaking machine occur vibrations, while
Produce excessive noise to impact the audition of human ear.
Utility model content
In order to solve shortcoming and defect present in prior art, this utility model provide by controlled motor rotating speed from
And reduce the control circuit of wall-breaking machine vibrations.
In order to reach above-mentioned technical purpose, the control circuit for wall-breaking machine that this utility model is provided, the control electricity
Road includes switch power module, and the motor-drive circuit being connected with the switch power module, the motor-drive circuit
Including：
Optocoupler controllable silicon U1 and motor controllable silicon TR1, the first input end of the optocoupler controllable silicon U1 are connected with single-chip microcomputer,
First outfan of the optocoupler controllable silicon U1 is connected with the control end of the motor controllable silicon TR1 through resistance R7, the electricity
The negative electrode of machine controllable silicon TR1 is connected with civil power ACL end, and the anode of the motor controllable silicon TR1 is connected with motor control terminal B.
Optionally, the switch power module includes：
Rectifier bridge DB1 and transformator T1, the rectifier bridge DB1 are provided with the first ac input end and the second ac input end,
First ac input end is connected with the civil power ACL end by electric fuse F1, second ac input end and motor control
End A processed is connected, and the outfan of the rectifier bridge DB1 is connected with the first end of the transformator T1；
Second end of the transformator T1 is connected with the first end of power supply chip U4, the second end, and the of the transformator T1
Three ends are connected with the 3rd end of the power supply chip U4 through diode D1, the 5th end and the 6th end of the transformator T1 it
Between be provided with diode D5 and filter capacitor EC4, be also associated with filter capacitor EC3 at the 3rd end of the power supply chip U4.
Optionally, the control circuit also include zero-crossing detection circuit, the zero-crossing detection circuit, including：
Resistance R5, the 5th end of the power supply chip U4 are provided between civil power ACN ends and the 4th end of power supply chip U4
Resistance R9 is provided with and the first input end of optocoupler U6 between, first outfan of the optocoupler U6 is through resistance R20 and 5V power supplys
Connection, is provided with RC filter circuits in second outfan of the optocoupler U6, and second outfan of the optocoupler U6 passes through the RC
Filter circuit is connected with the single-chip microcomputer.
Optionally, the RC filter circuits include resistance R19, and the electric capacity C6 in parallel with the resistance R19.
Optionally, the control circuit also includes 5V mu balanced circuits, the 5V mu balanced circuits and the diode D5, described
Filter capacitor EC4 connects, and the 5V mu balanced circuits include：
Resistance R16, the R15 connected with the resistance R16, and three be connected with the resistance R16, the resistance R15
End stabilivolt TL431, is connected to resistance R12 and resistance R13 in one end of resistance R16, the resistance R12 and described
The other end of R13 is connected to the input of optocoupler U2；
First outfan of the optocoupler U2 is connected with the 7th end of power supply chip U4.
Optionally, the plus earth of the three-terminal voltage-stabilizing pipe TL431, the negative electrode of the three-terminal voltage-stabilizing pipe TL431 with it is described
Resistance R13 is connected, and the reference pole of the three-terminal voltage-stabilizing pipe TL431 is connected with the resistance R15.
The beneficial effect brought of technical scheme that this utility model is provided is：
High voltage is promoted to from low-voltage by the output of motor controllable silicon TR1, is finally promoted to and civil power identical electricity
Pressure, during regulation, with the rising of voltage, the rotating speed of motor is also gradually increased, so as to avoid electricity in prior art
The rotating speed of machine from zero be rapidly increased to total power rotating speed when produce and significantly shake, and then reduce the noise that vibrations bring.
Description of the drawings
In order to be illustrated more clearly that the technical solution of the utility model, embodiment will be described below needed for it is to be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the control circuit for wall-breaking machine that this utility model is provided.
Specific embodiment
To make structure of the present utility model and advantage clearer, structure of the present utility model is made below in conjunction with accompanying drawing
It is further described through.
Embodiment one
This utility model provides the control circuit for wall-breaking machine, as shown in figure 1, the control circuit includes switch electricity
Source module, and the motor-drive circuit being connected with the switch power module, it is characterised in that the motor-drive circuit bag
Include：
Optocoupler controllable silicon U1 and motor controllable silicon TR1, the first input end of the optocoupler controllable silicon U1 are connected with single-chip microcomputer,
First outfan of the optocoupler controllable silicon U1 is connected with the control end of the motor controllable silicon TR1 through resistance R7, the electricity
The negative electrode of machine controllable silicon TR1 is connected with civil power ACL end, and the anode of the motor controllable silicon TR1 is connected with motor control terminal B.
In force, in order to reduce wall-breaking machine because of the vibrations brought after electric motor starting, the utility model proposes for right
The motor-drive circuit that motor speed is controlled in wall-breaking machine, the motor-drive circuit include optocoupler controllable silicon U1 and motor
Controllable silicon TR1.Break-make of the single-chip microcomputer by control optocoupler controllable silicon U1 when actually used, due to the output of optocoupler controllable silicon U1
End is connected to the control end of motor controllable silicon TR1, therefore, it is possible to further adjust to the break-make to motor controllable silicon TR1
Whole, so that the motor being arranged in wall-breaking machine is on startup, the output of motor controllable silicon TR1 lifts paramount electricity from low-voltage
Pressure, is finally promoted to and civil power identical voltage, and during regulation, with the rising of voltage, the rotating speed of motor is also gradually
Raise, so as to avoid the rotating speed of motor in prior art from zero be rapidly increased to total power rotating speed when produce and significantly shake, enter
And reduce the noise that vibrations bring.
Optionally, the control circuit also include zero-crossing detection circuit, the zero-crossing detection circuit, including：
Resistance R5, the 5th end of the power supply chip U4 are provided between civil power ACN ends and the 4th end of power supply chip U4
Resistance R9 is provided with and the first input end of optocoupler U6 between, first outfan of the optocoupler U6 is through resistance R20 and 5V power supplys
Connection, is provided with RC filter circuits in second outfan of the optocoupler U6, and second outfan of the optocoupler U6 passes through the RC
Filter circuit is connected with the single-chip microcomputer, and the RC filter circuits include resistance R19, and the electricity in parallel with the resistance R19
Hold C6.
In force, in order that single-chip microcomputer can be controlled to motor-drive circuit, in the control for wall-breaking machine
It is additionally provided with circuit for the zero-crossing detection circuit to single-chip microcomputer offer control signal.Civil power CAN ends pass through sample resistance R5
It is connected with power supply chip U4, optocoupler U6 is carried out through the RC filter circuits being made up of resistance R19 and electric capacity C6 will after filtering clutter
Control signal is exported to single-chip microcomputer.So as to make single-chip microcomputer be controlled to the rotating speed of motor according to the control signal for getting.
The operating of motor relies on the voltage from electrical network, and in order to make motor realize steady running, present invention also offers
The switch power module being arranged in the control circuit of wall-breaking machine, as shown in figure 1, the switch power module includes：
Rectifier bridge DB1 and transformator T1, the rectifier bridge DB1 are provided with the first ac input end and the second ac input end,
First ac input end is connected with the civil power ACL end by electric fuse F1, second ac input end and motor control
End A processed is connected, and the outfan of the rectifier bridge DB1 is connected with the first end of the transformator T1；
Second end of the transformator T1 is connected with the first end of power supply chip U4, the second end, and the of the transformator T1
Three ends are connected with the 3rd end of the power supply chip U4 through diode D1, the 5th end and the 6th end of the transformator T1 it
Between be provided with diode D5 and filter capacitor EC4, be also associated with filter capacitor EC3 at the 3rd end of the power supply chip U4.
In force, rectifier bridge DB1 is provided with the switch power module, be provided with and be respectively connecting to city in rectifier bridge DB1
Alternating current in civil power is changed by first ac input end at electric ACL end and ACN ends, the second ac input end for stable
For unidirectional current.Transformator T1 is provided with the outfan of rectifier bridge DB1, for providing not to the different elements in whole control circuit
Same applicable voltage.It should be noted that the input in transformator T1 is provided with two armature windings, the first end of transformator T1
The first armature winding is constituted with the second end, the 3rd end of transformator T1 and the 4th end constitute the second armature winding, and the 4th end
Ground connection.
The outfan of transformator is provided with the loop being made up of diode D5 and filter capacitor EC4, the loop also with 5V voltage stabilizings
Circuit is connected.
Optionally, the control circuit also includes 5V mu balanced circuits, the 5V mu balanced circuits and the diode D5, described
Filter capacitor EC4 connects, and the 5V mu balanced circuits include：
Resistance R16, the R15 connected with the resistance R16, and three be connected with the resistance R16, the resistance R15
End stabilivolt TL431, is connected to resistance R12 and resistance R13 in one end of resistance R16, the resistance R12 and described
The other end of R13 is connected to the input of optocoupler U2；
First outfan of the optocoupler U2 is connected with the 7th end of power supply chip U4, the three-terminal voltage-stabilizing pipe TL431's
Plus earth, the negative electrode of the three-terminal voltage-stabilizing pipe TL431 are connected with the resistance R13, the reference of the three-terminal voltage-stabilizing pipe TL431
Pole is connected with the resistance R15.
In force, with it is mentioned hereinabove to the 5V mu balanced circuits that are connected of on-off circuit module, including being taken by resistance R16
Sample constitutes a reference voltage point with resistance R15 partial pressure Jing three-terminal voltage-stabilizing pipes TL431, and resistance R13 is current-limiting protection three-terminal voltage-stabilizing
Pipe TL431, wherein resistance R12 are optocoupler U2 current limiting safeguard resistors, and secondary power voltage levels are that Jing optocouplers transmit signal, power supply
Chip adjustment PWM duty cycle reaches constant output voltage.
TL431 is controllable accurate source of stable pressure.Its output voltage just arbitrarily can be arranged from Verf with two resistance
(2.5V) to any value in the range of 36V.The exemplary dynamic impedance of the device is 0.2 Ω, is replaced surely with it in many applications
Pressure diode, for example, digital voltmeter, discharge circuit, adjustable voltage source, Switching Power Supply etc..When input voltage increases, output electricity
Pressure increase result in output sampling increase, and at this moment internal circuit causes to flow through the electric current increase of itself by adjustment, and this also just makes
The electric current increase of current-limiting resistance, the pressure drop increase of such current-limiting resistance must be flow through, and output voltage subtracts current limliting equal to input voltage
Resistance drop, input voltage increase is increased with current-limiting resistance pressure drop so that output voltage reduction, realizes voltage stabilizing.
This utility model embodiment provides the control circuit for wall-breaking machine, including switch power module, and with open
The motor-drive circuit optocoupler controllable silicon U1 and motor controllable silicon TR1 of powered-down source module connection, the first of optocoupler controllable silicon U1 are defeated
Enter end to be connected with single-chip microcomputer, the control end phase of first outfan of optocoupler controllable silicon U1 through resistance R7 and motor controllable silicon TR1
Even, the negative electrode of motor controllable silicon TR1 is connected with civil power ACL end, and the anode of motor controllable silicon TR1 is connected with motor control terminal B.It is logical
The output for crossing motor controllable silicon TR1 is promoted to high voltage from low-voltage, is finally promoted to and civil power identical voltage, was adjusting
Cheng Zhong, with the rising of voltage, the rotating speed of motor is also gradually increased, so as to avoid the rotating speed of motor in prior art from zero
It is rapidly increased to produce during total power rotating speed and significantly shakes, and then reduces the noise that vibrations bring.
Each sequence number in above-described embodiment is for illustration only, does not represent the elder generation during the assembling or use of each part
Afterwards sequentially.
Embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this utility model
Spirit and principle within, any modification, equivalent substitution and improvements made etc. should be included in protection model of the present utility model
Within enclosing.
Claims (6)
1. be used for the control circuit of wall-breaking machine, the control circuit includes switch power module, and with the Switching Power Supply mould
The motor-drive circuit of block connection, it is characterised in that the motor-drive circuit includes：
Optocoupler controllable silicon U1 and motor controllable silicon TR1, the first input end of the optocoupler controllable silicon U1 is connected with single-chip microcomputer, described
First outfan of optocoupler controllable silicon U1 is connected with the control end of the motor controllable silicon TR1 through resistance R7, and the motor can
The negative electrode of control silicon TR1 is connected with civil power ACL end, and the anode of the motor controllable silicon TR1 is connected with motor control terminal B.
2. the control circuit for wall-breaking machine according to claim 1, it is characterised in that the switch power module bag
Include：
Rectifier bridge DB1 and transformator T1, the rectifier bridge DB1 are provided with the first ac input end and the second ac input end, described
First ac input end is connected with the civil power ACL end by electric fuse F1, second ac input end and motor control terminal A
It is connected, the outfan of the rectifier bridge DB1 is connected with the first end of the transformator T1；
Second end of the transformator T1 is connected with the first end of power supply chip U4, the second end, the 3rd end of the transformator T1
It is connected with the 3rd end of the power supply chip U4 through diode D1, sets between the 5th end and the 6th end of the transformator T1
There is diode D5 and filter capacitor EC4, filter capacitor EC3 is also associated with the 3rd end of the power supply chip U4.
3. the control circuit for wall-breaking machine according to claim 1, it is characterised in that the control circuit also included
Zero-detection circuit, the zero-crossing detection circuit, including：
Resistance R5, the 5th end of the power supply chip U4 and light are provided between civil power ACN ends and the 4th end of power supply chip U4
Resistance R9 is provided between the first input end of coupling U6, first outfan of the optocoupler U6 is connected with 5V power supplys through resistance R20,
RC filter circuits are provided with second outfan of the optocoupler U6, second outfan of the optocoupler U6 is by the RC filtered electricals
Road is connected with the single-chip microcomputer.
4. the control circuit for wall-breaking machine according to claim 3, it is characterised in that the RC filter circuits include electricity
Resistance R19, and the electric capacity C6 in parallel with the resistance R19.
5. the control circuit for wall-breaking machine according to claim 2, it is characterised in that the control circuit also includes 5V
Mu balanced circuit, the 5V mu balanced circuits are connected with the diode D5, the filter capacitor EC4, and the 5V mu balanced circuits include：
Resistance R16, the R15 connected with the resistance R16, and three ends being connected with the resistance R16, the resistance R15 are steady
Pressure pipe TL431, is connected to resistance R12 and resistance R13, the resistance R12 and the resistance in one end of resistance R16
The other end of R13 is connected to the input of optocoupler U2；
First outfan of the optocoupler U2 is connected with the 7th end of power supply chip U4.
6. the control circuit for wall-breaking machine according to claim 5, it is characterised in that the three-terminal voltage-stabilizing pipe TL431
Plus earth, the negative electrode of the three-terminal voltage-stabilizing pipe TL431 is connected with the resistance R13, the ginseng of the three-terminal voltage-stabilizing pipe TL431
Examine pole to be connected with the resistance R15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995750.1U CN206060593U (en) | 2016-08-30 | 2016-08-30 | For the control circuit of wall-breaking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995750.1U CN206060593U (en) | 2016-08-30 | 2016-08-30 | For the control circuit of wall-breaking machine |
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| Publication Number | Publication Date |
|---|---|
| CN206060593U true CN206060593U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620995750.1U Active CN206060593U (en) | 2016-08-30 | 2016-08-30 | For the control circuit of wall-breaking machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107397425A (en) * | 2017-04-27 | 2017-11-28 | 浙江绍兴苏泊尔生活电器有限公司 | Pulping method |
-
2016
- 2016-08-30 CN CN201620995750.1U patent/CN206060593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107397425A (en) * | 2017-04-27 | 2017-11-28 | 浙江绍兴苏泊尔生活电器有限公司 | Pulping method |
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