CN107095578A - Motor accurate control device, automatic milk punching machine and its go out powder control method - Google Patents
Motor accurate control device, automatic milk punching machine and its go out powder control method Download PDFInfo
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- CN107095578A CN107095578A CN201710370244.2A CN201710370244A CN107095578A CN 107095578 A CN107095578 A CN 107095578A CN 201710370244 A CN201710370244 A CN 201710370244A CN 107095578 A CN107095578 A CN 107095578A
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- motor
- control unit
- powder
- resistance
- milk powder
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
- A47J31/404—Powder dosing devices
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Apparatus For Making Beverages (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The present invention discloses a kind of motor accurate control device, including motor, Hall sensor, rotating disk, micro-control unit, control board, power supply and multiple magnet, control board is electrically connected between power supply and motor, control board includes power input control unit and brake control unit, power input control unit, brake control unit and Hall sensor are electrically connected with the corresponding input/output port of micro-control unit respectively, magnet on rotating disk sense Hall sensor and output pulse signal is to micro-control unit, power input control unit is used to control the break-make between power supply and motor, brake control unit is used to the voltage at the two ends of motor rapidly is down into 0V.Invention additionally discloses a kind of automatic milk punching machine of use said motor accurate control device and its go out powder control method.The present invention can improve the accuracy of controller for motor, so improve automatic milk punching machine go out powder precision.
Description
Technical field
The present invention relates to powder beverage pouring and boiling device technical field, more particularly to it is a kind of motor accurate control device, automatic
Milk maker and its go out powder control method.
Background technology
The precision of the powder dropping amount of the milk powder weight feed device of existing automatic milk punching machine is not high, and not different brands on the market
Or the milk powder of different sections has differences for the milk powder grams corresponding to water as much, in the not high situation of powder dropping amount precision
Under, it is impossible to while meet the accurate of a variety of brands and a variety of sections descends powder according to quantity.
The content of the invention
It is a primary object of the present invention to provide a kind of motor accurate control device, automatic milk punching machine and its go out powder controlling party
Method, it is intended to improve the accuracy of controller for motor, so improve automatic milk punching machine go out powder precision.
To achieve these goals, the present invention provides a kind of motor accurate control device, including motor, Hall sensor,
Rotating disk, micro-control unit, control board, power supply and multiple magnet, the rotating disk are described in the rotary shaft of the motor
Multiple magnet are on the rotating disk and the same annulus by the center of circle of the pivot of the rotary shaft is evenly distributed, described
Hall sensor is set close to the edge of the rotating disk, the control board be electrically connected at the power supply and the motor it
Between, the control board includes power input control unit and brake control unit, the power input control unit, brake
Control unit and Hall sensor are electrically connected with the corresponding input/output port of the micro-control unit respectively, the Hall
Magnet on the rotating disk sense sensor and output pulse signal is to the micro-control unit, the power input control
Unit processed is used to control the break-make between the power supply and motor, the brake control under the control action of the micro-control unit
Unit processed is used to the voltage at the two ends of the motor rapidly is down into 0V under the control action of the micro-control unit.
Preferably, the brake control unit includes brake control end, first resistor, second resistance, the first N-type metal oxygen
Compound semiconductor, 3rd resistor and diode, one end of the first resistor are connected with the brake control end, and described first
The other end ground connection of resistance, one end of the second resistance is connected with the brake control end, the other end of the second resistance
It is connected with the grid of the first N-type metal-oxide semiconductor (MOS), one end of the 3rd resistor and the first N-type metal oxygen
The drain electrode connection of compound semiconductor, the other end of the 3rd resistor is connected with one end of the motor, the first N-type metal
Oxide semiconductor source S is grounded, and the negative pole of the diode is connected with one end of the motor, the positive pole of the diode and
The other end of the motor is connected and is grounded simultaneously.
Preferably, the power input control unit includes power input control end, the 4th resistance, the 5th resistance, NPN type
Triode, the 6th resistance, the 7th resistance and the second N-type metal-oxide semiconductor (MOS), one end and the electricity of the 4th resistance
Source input control end connection, other end ground connection, one end of the 5th resistance and the power input control of the 4th resistance
End connection processed, the other end of the 5th resistance is connected with the base stage of the NPN type triode, the hair of the NPN type triode
Emitter grounding, one end of the 6th resistance is connected with the colelctor electrode of the NPN type triode, the other end of the 6th resistance
It is connected with the grid of the second N-type metal-oxide semiconductor (MOS), one end and the second N-type metal oxygen of the 7th resistance
The grid connection of compound semiconductor, the other end of the 7th resistance is connected with the power supply, the second N-type metal oxide
The drain electrode of semiconductor is connected with the power supply, the source electrode of the second N-type metal-oxide semiconductor (MOS) and one end of the motor
Connection.
Preferably, the side face of the rotary shaft of the motor is formed with a positioning plane, the multiple magnet wherein
One just right with the positioning plane.
Preferably, the magnet quantity is 2,3,4,5 or 6.
Preferably, in addition to motor bracket and hall sensing plate, motor and the hall sensing plate is installed in the horse
Up on support, the Hall sensor is arranged on the hall sensing plate, and the multiple magnet is located at the end face of the rotating disk
On, when one of them of the multiple magnet of driven by rotary disc turns to sensed position, the Hall sensor is in the rotation
Faced in the axial direction of axle with the magnet.
The present invention also provides a kind of automatic milk punching machine, including milk powder box and milk powder quantitative mechanism, the bottom of the milk powder box
Provided with meal outlet, the milk powder quantitative mechanism is in the milk powder box, and the automatic milk punching machine also includes foregoing motor essence
Quasi- control device, the motor accurate control device is located at the downside of the milk powder box, the rotary shaft of the motor and the milk
Fen-ting measuring mechanism connects and driven milk powder quantitative mechanism synchronous rotary.
Preferably, the milk powder quantitative mechanism includes breading bar, powder scraping sheet, powder feeding oar and drive shaft, the powder feeding oar, scrapes
Powder piece and breading bar are placed sequentially in the milk powder box from bottom to up, and the top of the drive shaft extends upwardly into the milk powder
It is connected in box and with the powder feeding oar and breading bar, the powder scraping sheet is fixedly connected and covered described with the milk powder box
Above meal outlet.
Preferably, the powder feeding oar is provided with multiple milk powder compartmentalized boxes through its upper and lower surface, and the multiple milk powder compartmentalized box is along institute
State the circumference of powder feeding oar to be distributed in uniform intervals, the quantity of the milk powder compartmentalized box is equal with the quantity of the magnet and a pair of position 1
Should.
What the present invention also provided a kind of foregoing automatic milk punching machine goes out powder control method, it is characterised in that it is described go out powder control
Method processed comprises the following steps：
Step A, micro-control unit receive out powder instruction；
Step B, micro-control unit controls power input control unit power-on are powered to motor；
Step C, motor obtain it is electric after normal work, drive the magnet on the rotating disk and milk powder quantitative mechanism rotation,
The position of the real-time induced magnet of Hall sensor sends pulse to judge whether lower powder mouthful descends powder when judging and descending powder
Signal is to micro-control unit；
Step D, micro-control unit are received after the pulse signal, and control power input control unit closes power supply to horse
Up to power supply, while control brake control unit that the voltage at the two ends of the motor rapidly is down into 0V, and total powder dropping amount is calculated,
If total powder dropping amount is not reaching to the powder dropping amount pre-set, repeat step B and step C；Pre-set if total powder dropping amount reaches
Powder dropping amount, then go out powder process stopping.
The motor accurate control device of the present invention, automatic milk punching machine and its go out powder control method, control board includes electricity
Source inputs control unit and brake control unit, and power input control unit is used to control under the control action of micro-control unit
Break-make between power supply and motor, brake control unit is used under the control action of micro-control unit rapidly by the two of motor
The voltage at end is down to 0V, can realize that the voltage at motor two ends is down to 0V by moment, so as to improve the accuracy of motor control, most
The accurate control of powder is realized out eventually, and powder is descended according to quantity to meet a variety of brands and the accurate of a variety of sections simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of motor accurate control device one of the present invention, control board not shown in it,
Micro-control unit and power supply.
Fig. 2 is the circuit block diagram of motor accurate control device of the present invention.
Fig. 3 is the corresponding physical circuit figure of the embodiment of circuit block diagram one shown in Fig. 2.
Fig. 4 is the three-dimensional exploded view of the embodiment of automatic milk punching machine one of the present invention.
Fig. 5 is the exploded view of milk powder box, milk powder lid and milk powder quantitative mechanism in automatic milk punching machine shown in Fig. 4.
Fig. 6 is the sectional view after milk powder box shown in Fig. 5, milk powder lid and the assembling of milk powder quantitative mechanism.
Fig. 7 is the assembling figure of milk powder box, milk powder lid and milk powder quantitative mechanism shown in Fig. 6.
Fig. 8 is the assembling figure of automatic milk punching machine shown in Fig. 4, milk powder box, milk powder lid and milk powder quantitative mechanism not shown in it.
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
It should be appreciated that embodiment described herein is not used to limit this hair only to explain the present invention
It is bright.
As shown in Figure 1 to Figure 3, in an embodiment of motor accurate control device of the present invention, motor accurate control device
4, including (English full name is Micro Controller for motor 41, Hall sensor 42, rotating disk 43, micro-control unit 44
Unit, abbreviation MCU), control board 45, power supply VCC and multiple magnet 47.
The rotating disk 43 is in the rotary shaft 411 of the motor 41, and the multiple magnet 47 is on the rotating disk 43
And the same annulus using the pivot of the rotary shaft 411 as the center of circle is evenly distributed, the Hall sensor 42 is close to institute
The edge for stating rotating disk 43 is set, and the control board 45 is electrically connected between the power supply VCC and the motor 41, described
Control board 45 include power input control unit 451 and brake control unit 452, the power input control unit 451,
The corresponding input/output port of brake control unit 452 and Hall sensor 42 respectively with the micro-control unit 44 electrically connects
Connect, the magnet 47 on 42 pairs of the Hall sensor rotating disk 43 sense and output pulse signal is to the microcontroller list
Member 44, the power input control unit 451 is used to control the power supply VCC under the control action of the micro-control unit 44
With the break-make between motor 41, the brake control unit 452 is used for quick under the control action of the micro-control unit 44
The voltage at the two ends of the motor 41 is down to 0V by ground.
Reference picture 3, Fig. 3 is the corresponding physical circuit figure of the embodiment of circuit block diagram one shown in Fig. 2, in the physical circuit figure,
Brake control unit 452, which includes brake control end 4521, first resistor R1, second resistance R2, the first N-type metal oxide, partly leads
Body Q1 (English full name is N-Metal-Oxide-Semiconductor, abbreviation NMOS), 3rd resistor R3 and diode D1, institute
State first resistor R1 one end be connected with the brake control end, the other end of the first resistor R1 is grounded SGND, described the
Two resistance R2 one end is connected with the brake control end 4521, the second resistance R2 other ends and the first N-type metal
Oxide semiconductor Q1 grid G connection, one end of the 3rd resistor R3 and the first N-type metal-oxide semiconductor (MOS) Q1
Drain D connection, the 3rd resistor R3 other ends are connected with one end 413 of the motor 41, and the first N-type metal is aoxidized
Thing semiconductor Q1 source Ss are grounded SGND, and the negative pole of the diode D1 is connected with one end of the motor 41, the diode D1
Positive pole be connected with the other end of the motor 41 and while be grounded SGND.
The power input control unit 451 include power input control end 4511, the 4th resistance R4, the 5th resistance R5,
NPN type triode Q2, the 6th resistance R6, the 7th resistance R7 and the second N-type metal-oxide semiconductor (MOS) Q3, the 4th resistance
R4 one end is connected with the power input control end 4511, the other end ground connection SGND of the 4th resistance R4, the described 5th
Resistance R5 one end is connected with the power input control end 4511, the other end of the 7th resistance and the pole of NPN type three
Pipe Q2 base stage B connections, the NPN type triode Q2 emitter E ground connection SGND, one end of the 6th resistance R6 with it is described
NPN type triode Q2 colelctor electrode C connections, the other end of the 6th resistance R6 is partly led with the second N-type metal oxide
Body Q3 grid G connection, one end of the 7th resistance R7 and the grid G of the second N-type metal-oxide semiconductor (MOS) Q3 connect
Connect, the other end of the 7th resistance R7 is connected with the power supply VCC, the leakage of the second N-type metal-oxide semiconductor (MOS) Q3
Pole D is connected with the power supply VCC, and the source S of the second N-type metal-oxide semiconductor (MOS) Q3 connects with one end of the motor 41
Connect.
Reference picture 1, in the present embodiment, the side face of the rotary shaft 411 of the motor 41 are formed with a positioning plane
4111, one of them in the multiple magnet 47 is just right with the positioning plane 4111, so, by the rotary shaft of motor 41
411 with the milk powder quantitative mechanism of automatic milk punching machine when being connected, and can be easy to that magnet 47 is aligned and the milk powder compartmentalized box of milk powder quantitative mechanism enters
Row contraposition.In the present embodiment, the end face of rotary shaft 411 is D fonts, in other embodiments, and the end face of rotary shaft can be with
It is I-shaped, and regard one in two planes of I-shaped rotary shaft as positioning plane.
The quantity of the magnet 47 is 2,3,4,5 or 6.In the present embodiment, the quantity of the magnet 47
For four.
As a further improvement, the motor accurate control device also includes motor bracket 48 and hall sensing plate 49, institute
State motor 41 and hall sensing plate 49 be installed on the motor bracket 48, the Hall sensor 42 be arranged on it is described suddenly
On your tablet 49, the multiple magnet 47 is on the end face of the rotating disk 43, when rotating disk 43 drives the multiple magnet 47
One of them when turning to sensed position, the Hall sensor 42 in the axial direction of the rotary shaft 411 with the magnet 47
Face.
The present invention also provides a kind of automatic milk punching machine, reference picture 4 to Fig. 8, in an embodiment of automatic milk punching machine of the present invention
In, it is quantitative that automatic milk punching machine includes casing 1, the head body 2 on the casing 1, milk powder box 31, milk powder lid 32, milk powder
Mechanism 33 and motor accurate control device 4.The milk powder box 31 is arranged in the head body 2.Motor accurate control device 4
Concrete structure referring to preceding embodiment description.
The milk powder lid 32 is located at the top of the milk powder box 31, and the bottom of the milk powder box 31 is provided with meal outlet 311, institute
Milk powder quantitative mechanism 33 is stated in the milk powder box 31, the motor accurate control device 4 is located under the milk powder box 31
Side, the rotary shaft 411 of the motor 41 connects and driven milk powder quantitative mechanism 33 is synchronous to revolve with the milk powder quantitative mechanism 33
Turn.
The milk powder quantitative mechanism 33 includes breading bar 331, powder scraping sheet 332, powder feeding oar 333 and drive shaft 334, described to send
Powder oar 333, powder scraping sheet 332 and breading bar 331 are placed sequentially in the milk powder box 31 from bottom to up, the drive shaft 334
Top extends upwardly into the milk powder box 31 and is connected with the powder feeding oar 333 and breading bar 331, the powder scraping sheet 332
It is fixedly connected and is covered in the top of meal outlet 311 with the milk powder box 31.
The bottom of the drive shaft 334 is oriented to position 3341 provided with first, and the top of the rotary shaft 411 is connected with shaft joint
412, the shaft joint 412, which is provided with to match with the described first guiding position 3341, is merged into the second guiding position of row automatic aligning
3441。
The powder feeding oar 333 is provided with multiple milk powder compartmentalized boxes 3331 through its upper and lower surface, the multiple milk powder compartmentalized box 3331
It is distributed along the circumference of the powder feeding oar 333 in uniform intervals, the quantity of the milk powder compartmentalized box 3331 and the quantity phase of the magnet 47
Deng and position correspond.
In the automatic milk punching machine, it can also further comprise water tank, water pump and heater.Power supply VCC is used to provide phase
The voltage and current answered, can normal work to motor 41, Hall sensor 42, micro-control unit 44, control board 45.
The present invention also provide it is a kind of go out powder control method applied to foregoing automatic milk punching machine, it is described go out powder control method bag
Include following steps：
Step A, micro-control unit 44 receive out powder instruction；
Step B, the power-on VCC of the control power input of micro-control unit 44 control unit 451 power to motor 41；
Step C, motor 41 it is electric after normal work, drive the magnet 47 and the milk powder quantitative mechanism on the rotating disk 43
Rotation, the position of the real-time induced magnet 47 of Hall sensor 42 is to judge whether lower powder mouthful descends powder, when powder is descended in judgement
When send pulse signal to micro-control unit 44；
Step D, micro-control unit 44 are received after the pulse signal, and control power input control unit 451 closes electricity
Source VCC powers to motor 41, while controlling brake control unit 452 to be rapidly down to the voltage at the two ends of the motor 41
0V, and total powder dropping amount is calculated, if total powder dropping amount is not reaching to the powder dropping amount pre-set, repeat step B and step C；If total
Powder dropping amount reaches the powder dropping amount pre-set, then goes out the stopping of powder process.
For step A to D, with reference to the physical circuit figure in Fig. 3, it is described in further detail.Micro-control unit 44
Receive out after powder instruction, micro-control unit 44 can export power supply of the control signal of high potential to power input control unit 451
Input control end 4511 so that NPN type triode Q2 is turned on, and there is provided high electricity by the 6th resistance R6 and the 7th resistance R7 partial pressures
Position turns on the second N-type metal-oxide semiconductor (MOS) Q3 to the second N-type metal-oxide semiconductor (MOS) Q3, now micro-control unit 44
Brake control end 4521 of the brake signal to brake control unit 452 is not exported, and the first N-type metal-oxide semiconductor (MOS) Q1 is not led
Logical, power supply VCC is by the second N-type metal-oxide semiconductor (MOS) Q3 making alives at the two ends of motor 41, the normal work of motor 41.
Motor 41 it is electric after normal work, drive the magnet 47 on the rotating disk 43 and milk powder quantitative mechanism rotation,
The position of the real-time induced magnet 47 of Hall sensor 42 is sent with judging whether lower powder mouthful descends powder when judging and descending powder
Pulse signal is to micro-control unit 44.Wherein, rotating disk 43 is faced from a magnet 47 and Hall sensor 42, is rotated to adjacent
That magnet 47 and Hall sensor 42 when facing, just complete once to descend powder, powder dropping amount each time can be by going out
The designed size of powder mouthful is set, and powder dropping amount for example once is set to 1 gram.Hall sensor 42 is made according to Hall effect
A kind of magnetic field sensor, by the change of induced magnet, can interpolate that rotating disk 43 whether from a magnet 47 and hall sensing
Device 42 faces position, position when rotation to that adjacent magnet 47 and Hall sensor 42 are faced.
Micro-control unit 44 is received after the pulse signal, and micro-control unit 44 stops the control signal of output high potential
To the power input control end 4511 of power input control unit 451, NPN type triode Q2 is not turned on, the oxidation of the second N-type metal
Thing semiconductor Q3 deenergization VCC, stopping is powered to motor 41, meanwhile, micro-control unit 44 exports the brake signal of high potential
Brake control end 4521 to brake control unit 452 so that the first N-type metal-oxide semiconductor (MOS) Q1 is turned on, moment is by horse
Voltage up to 41 two ends is down to 0V.
Generally, micro-control unit 44 is controlled logical between power supply VCC and motor 41 by power input control unit 451
When disconnected, usual power input control unit 451 can not reach that the voltage at the two ends of motor 41 is down to 0V by moment, but exist
The delay of certain time, for example, in the physical circuit of power input control unit 451 shown in figure, the oxidation of the second N-type metal
Thing semiconductor Q3 input voltage is converted to cut-off shape by high step-down, the second N-type metal-oxide semiconductor (MOS) Q3 by conducting state
During state, output voltage just will be changed into high level by certain time-delay from low level, and therefore, the voltage at the two ends of motor 41 can not
Moment is down to 0V, and by introducing brake control unit 452, can realize that the voltage at the two ends of motor 41 is down to 0V by moment, from
And the accuracy of motor control is improved, finally realize out the accurate control of powder.The standard of a variety of brands and a variety of sections is met simultaneously
Really powder is descended according to quantity.
The invention is not limited in embodiment of above, under technology contents disclosed in above-mentioned embodiment, it can also enter
Row various change.The equivalent structure transformation that every utilization description of the invention and accompanying drawing content are made, or directly or indirectly use
In other related technical fields, it is included within the scope of the present invention.
Claims (10)
1. a kind of motor accurate control device, it is characterised in that the motor accurate control device includes motor, hall sensing
Device, rotating disk, micro-control unit, control board, power supply and multiple magnet, the rotating disk are located in the rotary shaft of the motor,
The multiple magnet is on the rotating disk and the same annulus by the center of circle of the pivot of the rotary shaft is evenly distributed,
The Hall sensor is set close to the edge of the rotating disk, and the control board is electrically connected at the power supply and the horse
Between reaching, the control board include power input control unit and brake control unit, the power input control unit,
Brake control unit and Hall sensor are electrically connected with the corresponding input/output port of the micro-control unit respectively, described
Magnet on the rotating disk sense Hall sensor and output pulse signal is to the micro-control unit, and the power supply is defeated
Entering control unit is used to control the break-make between the power supply and motor under the control action of the micro-control unit, described to stop
Car control unit is used to the voltage at the two ends of the motor rapidly is down into 0V under the control action of the micro-control unit.
2. motor accurate control device as claimed in claim 1, it is characterised in that the brake control unit includes brake and controlled
End processed, first resistor, second resistance, the first N-type metal-oxide semiconductor (MOS), 3rd resistor and diode, the first resistor
One end be connected with the brake control end, the other end of the first resistor is grounded, one end of the second resistance with it is described
Control end of braking connection, the other end of the second resistance is connected with the grid of the first N-type metal-oxide semiconductor (MOS), institute
The one end for stating 3rd resistor is connected with the drain electrode of the first N-type metal-oxide semiconductor (MOS), the other end of the 3rd resistor
Be connected with one end of the motor, the first N-type metal-oxide semiconductor (MOS) source S ground connection, the negative pole of the diode with
One end connection of the motor, the positive pole of the diode is connected with the other end of the motor and is grounded simultaneously.
3. motor accurate control device as claimed in claim 1 or 2, it is characterised in that the power input control unit bag
Include power input control end, the 4th resistance, the 5th resistance, NPN type triode, the 6th resistance, the 7th resistance and the second N-type gold
Belong to oxide semiconductor, one end of the 4th resistance is connected with the power input control end, the 4th resistance it is another
End ground connection, one end of the 5th resistance be connected with the power input control end, the other end of the 5th resistance with it is described
The base stage connection of NPN type triode, the grounded emitter of the NPN type triode, one end and the NPN of the 6th resistance
The colelctor electrode connection of type triode, the other end of the 6th resistance and the grid of the second N-type metal-oxide semiconductor (MOS)
Connection, one end of the 7th resistance is connected with the grid of the second N-type metal-oxide semiconductor (MOS), the 7th resistance
The other end is connected with the power supply, and the drain electrode of the second N-type metal-oxide semiconductor (MOS) is connected with the power supply, and described second
The source electrode of N-type metal-oxide semiconductor (MOS) is connected with one end of the motor.
4. motor accurate control device as claimed in claim 1, it is characterised in that the side face of the rotary shaft of the motor is formed
There are one of them positioned in plane, the multiple magnet and the positioning plane just right.
5. motor accurate control device as claimed in claim 1, it is characterised in that the magnet quantity is 2,3,4,
5 or 6.
6. motor accurate control device as claimed in claim 1, it is characterised in that also including motor bracket and hall sensing
Plate, motor and the hall sensing plate is installed on the motor bracket, and the Hall sensor is arranged on the Hall sense
Answer on plate, the multiple magnet is on the end face of the rotating disk, when one of rotation of the multiple magnet of driven by rotary disc
During to sensed position, the Hall sensor is faced in the axial direction of the rotary shaft with the magnet.
7. a kind of automatic milk punching machine, including milk powder box and milk powder quantitative mechanism, the bottom of the milk powder box are provided with meal outlet, described
Milk powder quantitative mechanism is in the milk powder box, it is characterised in that the automatic milk punching machine is also included as in claim 1 to 6
Motor accurate control device described in any one, the motor accurate control device is located at the downside of the milk powder box, described
The rotary shaft of motor is connected and driven milk powder quantitative mechanism synchronous rotary with the milk powder quantitative mechanism.
8. automatic milk punching machine as claimed in claim 7, it is characterised in that the milk powder quantitative mechanism includes breading bar, scrapes powder
Piece, powder feeding oar and drive shaft, the powder feeding oar, powder scraping sheet and breading bar are placed sequentially in the milk powder box from bottom to up, institute
The top for stating drive shaft extends upwardly into the milk powder box and is connected with the powder feeding oar and breading bar, the powder scraping sheet with
The milk powder box is fixedly connected and covered above the meal outlet.
9. automatic milk punching machine as claimed in claim 8, it is characterised in that the powder feeding oar is provided with through its upper and lower surface
Multiple milk powder compartmentalized boxes, circumference of the multiple milk powder compartmentalized box along the powder feeding oar in uniform intervals be distributed, the quantity of the milk powder compartmentalized box with
The quantity of the magnet is equal and position is corresponded.
10. a kind of automatic milk punching machine as described in any one in claim 7 to 9 goes out powder control method, it is characterised in that
It is described go out powder control method comprise the following steps：
Step A, micro-control unit receive out powder instruction；
Step B, micro-control unit controls power input control unit power-on are powered to motor；
Step C, motor obtain it is electric after normal work, drive the magnet on the rotating disk and milk powder quantitative mechanism rotation, Hall
The position of the real-time induced magnet of sensor sends pulse signal to judge whether lower powder mouthful descends powder when judging and descending powder
To micro-control unit；
Step D, micro-control unit are received after the pulse signal, and control power input control unit closes power supply and motor is supplied
Electricity, while controlling brake control unit that the voltage at the two ends of the motor rapidly is down into 0V, and calculates total powder dropping amount, if always
Powder dropping amount is not reaching to the powder dropping amount pre-set, then repeat step B and step C；Pre-set down if total powder dropping amount reaches
Powder amount, then go out the stopping of powder process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370244.2A CN107095578B (en) | 2017-05-23 | 2017-05-23 | Motor accurate control device, automatic milk machine and powder discharging control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370244.2A CN107095578B (en) | 2017-05-23 | 2017-05-23 | Motor accurate control device, automatic milk machine and powder discharging control method thereof |
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| Publication Number | Publication Date |
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| CN107095578A true CN107095578A (en) | 2017-08-29 |
| CN107095578B CN107095578B (en) | 2022-11-08 |
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| CN201710370244.2A Active CN107095578B (en) | 2017-05-23 | 2017-05-23 | Motor accurate control device, automatic milk machine and powder discharging control method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106308519A (en) * | 2016-10-14 | 2017-01-11 | 深圳前海小智萌品科技有限公司 | Instant heating type intelligent milk maker |
| CN207821676U (en) * | 2017-05-23 | 2018-09-07 | 深圳前海小智萌品科技有限公司 | Motor accurate control device and automatic milk punching machine |
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| EP0097237A1 (en) * | 1982-06-22 | 1984-01-04 | Eberhard Bauer Elektromotorenfabrik GmbH | Circuit arrangement for the interruption of the free running current for the lifting magnets of brake motors |
| JPH05192027A (en) * | 1991-11-22 | 1993-08-03 | Sawafuji Electric Co Ltd | Electrically-operated lawn mower |
| JPH06105564A (en) * | 1992-09-18 | 1994-04-15 | Mitsubishi Electric Corp | Controller for ac motor |
| JPH1096411A (en) * | 1996-09-20 | 1998-04-14 | Nikko Denki Kogyo Kk | Hydraulic power unit device |
| CN1449712A (en) * | 2002-04-11 | 2003-10-22 | Ucc上岛咖啡株式会社 | Extraction device |
| JP2014033712A (en) * | 2012-08-07 | 2014-02-24 | Sharp Corp | Opening/closing detection circuit and electric device including the same |
| CN103956946A (en) * | 2014-04-25 | 2014-07-30 | 广东瑞德智能科技股份有限公司 | Low-voltage high-power direct-current motor control circuit with overcurrent protection function |
| CN205404756U (en) * | 2015-12-30 | 2016-07-27 | 南京中科煜宸激光技术有限公司 | Low -cost longmen axle motor band -type brake fault detection and control circuit |
| CN106308519A (en) * | 2016-10-14 | 2017-01-11 | 深圳前海小智萌品科技有限公司 | Instant heating type intelligent milk maker |
| CN207821676U (en) * | 2017-05-23 | 2018-09-07 | 深圳前海小智萌品科技有限公司 | Motor accurate control device and automatic milk punching machine |
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|---|---|
| CN107095578B (en) | 2022-11-08 |
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