CN107095578B - Motor accurate control device, automatic milk machine and powder discharging control method thereof - Google Patents
Motor accurate control device, automatic milk machine and powder discharging control method thereof Download PDFInfo
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- CN107095578B CN107095578B CN201710370244.2A CN201710370244A CN107095578B CN 107095578 B CN107095578 B CN 107095578B CN 201710370244 A CN201710370244 A CN 201710370244A CN 107095578 B CN107095578 B CN 107095578B
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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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Abstract
The invention discloses a motor accurate control device which comprises a motor, a Hall sensor, a rotary table, a micro control unit, a control circuit board, a power supply and a plurality of magnets, wherein the control circuit board is electrically connected between the power supply and the motor and comprises a power supply input control unit and a brake control unit, the power supply input control unit, the brake control unit and the Hall sensor are respectively and electrically connected with corresponding input and output ports of the micro control unit, the Hall sensor senses the magnets on the rotary table and outputs pulse signals to the micro control unit, the power supply input control unit is used for controlling the connection and disconnection between the power supply and the motor, and the brake control unit is used for rapidly reducing the voltage at two ends of the motor to 0V. The invention also discloses an automatic milk machine adopting the motor precise control device and a powder discharging control method thereof. The invention can improve the accuracy of the motor control device, thereby improving the powder discharging accuracy of the automatic milk machine.
Description
Technical Field
The invention relates to the technical field of powder beverage brewing devices, in particular to a motor precise control device, an automatic milk brewing machine and a powder discharging control method of the automatic milk brewing machine.
Background
The precision of the powder feeding amount of the milk powder quantitative supply device of the existing automatic milk machine is not high, and the milk powder of different brands or different sections on the market has difference to the gram number of the milk powder corresponding to the same amount of water, so that under the condition of low powder feeding amount precision, the accurate quantitative powder feeding of various brands and various sections can not be simultaneously met.
Disclosure of Invention
The invention mainly aims to provide a motor accurate control device, an automatic milk machine and a powder discharging control method thereof, aiming at improving the accuracy of the motor control device and further improving the powder discharging accuracy of the automatic milk machine.
In order to achieve the above object, the present invention provides an accurate control device for a motor, including a motor, a hall sensor, a turntable, a micro control unit, a control circuit board, a power supply, and a plurality of magnets, wherein the turntable is disposed on a rotation shaft of the motor, the plurality of magnets are disposed on the turntable and are uniformly distributed on a same ring around a rotation center of the rotation shaft, the hall sensor is disposed near an edge of the turntable, the control circuit board is electrically connected between the power supply and the motor, the control circuit board includes a power supply input control unit and a brake control unit, the power supply input control unit, the brake control unit, and the hall sensor are respectively and electrically connected to corresponding input/output ports of the micro control unit, the hall sensor senses the magnet on the turntable and outputs a pulse signal to the micro control unit, the power supply input control unit is configured to control on/off between the power supply and the motor under the control action of the micro control unit, and the brake control unit is configured to rapidly reduce the voltage at two ends of the motor to 0V under the control action of the micro control unit.
Preferably, the brake control unit includes brake control end, first resistance, second resistance, first N type metal oxide semiconductor, third resistance and diode, the one end of first resistance with the brake control end is connected, the other end ground connection of first resistance, the one end of second resistance with the brake control end is connected, the other end of second resistance with first N type metal oxide semiconductor 'S grid is connected, the one end of third resistance with first N type metal oxide semiconductor' S drain electrode is connected, the other end of third resistance with the one end of motor is connected, first N type metal oxide semiconductor source S ground connection, the negative pole of diode with the one end of motor is connected, the positive pole of diode with ground connection and simultaneously ground connection are connected to the other end of motor.
Preferably, the power input control unit includes a power input control end, a fourth resistor, a fifth resistor, an NPN type triode, a sixth resistor, a seventh resistor, and a second N-type metal oxide semiconductor, one end of the fourth resistor is connected to the power input control end, the other end of the fourth resistor is grounded, one end of the fifth resistor is connected to the power input control end, the other end of the fifth resistor is connected to the base of the NPN type triode, the emitter of the NPN type triode is grounded, one end of the sixth resistor is connected to the collector of the NPN type triode, the other end of the sixth resistor is connected to the gate of the second N-type metal oxide semiconductor, one end of the seventh resistor is connected to the gate of the second N-type metal oxide semiconductor, the other end of the seventh resistor is connected to the power supply, the drain of the second N-type metal oxide semiconductor is connected to the power supply, and the source of the second N-type metal oxide semiconductor is connected to one end of the motor.
Preferably, a positioning plane is formed on a circumferential surface of a rotating shaft of the motor, and one of the plurality of magnets is opposed to the positioning plane.
Preferably, the number of magnets is 2, 3, 4, 5 or 6.
Preferably, still include motor support and hall tablet, motor and hall tablet are all installed on the motor support, hall sensor installs hall tablet is last, a plurality of magnets are located on the terminal surface of carousel, drive when the carousel one of them rotation of a plurality of magnets is to the inductive position, hall sensor is in the axial of rotation axis is just right with this magnet mutually.
The invention also provides an automatic milk brewing machine which comprises a milk powder box and a milk powder quantifying mechanism, wherein a powder outlet is formed in the bottom of the milk powder box, the milk powder quantifying mechanism is arranged in the milk powder box, the automatic milk brewing machine further comprises the accurate motor control device, the accurate motor control device is arranged on the lower side of the milk powder box, and a rotating shaft of the motor is connected with the milk powder quantifying mechanism and drives the milk powder quantifying mechanism to rotate synchronously.
Preferably, milk powder ration mechanism is including mixing the powder pole, scraping the powder piece, sending powder oar and drive shaft, send the powder oar, scrape the powder piece and mix the powder pole and from supreme placing in proper order down in the milk powder box, the top of drive shaft upwards stretches into in the milk powder box and with send the powder oar and mix the powder pole transmission and be connected, scrape the powder piece with milk powder box fixed connection covers go out powder mouthful top.
Preferably, a plurality of milk powder grids penetrating through the upper surface and the lower surface of the powder feeding paddle are arranged on the powder feeding paddle, the milk powder grids are distributed along the circumferential direction of the powder feeding paddle at uniform intervals, and the number of the milk powder grids is equal to that of the magnets and the positions of the milk powder grids are in one-to-one correspondence.
The invention also provides a powder discharging control method of the automatic milk preparing machine, which is characterized by comprising the following steps:
step A, a micro control unit receives a powder outlet instruction;
b, the micro control unit controls the power input control unit to start a power supply to supply power to the motor;
step C, the motor works normally after being electrified to drive the magnet on the rotary table and the milk powder quantifying mechanism to rotate, the Hall sensor senses the position of the magnet in real time to judge whether the powder feeding port is fed with powder or not, and when the powder feeding port is judged to be fed with powder, a pulse signal is sent to the micro control unit;
d, after the micro control unit receives the pulse signal, controlling the power input control unit to close the power supply to supply power to the motor, simultaneously controlling the brake control unit to quickly reduce the voltage at two ends of the motor to 0V, calculating the total powder discharging amount, and repeating the step B and the step C if the total powder discharging amount does not reach the preset powder discharging amount; and if the total powder discharging amount reaches the preset powder discharging amount, stopping the powder discharging process.
The control circuit board comprises a power input control unit and a brake control unit, the power input control unit is used for controlling the connection and disconnection between a power supply and the motor under the control action of the micro control unit, the brake control unit is used for rapidly reducing the voltage at two ends of the motor to 0V under the control action of the micro control unit, and the voltage at two ends of the motor can be instantly reduced to 0V, so that the control accuracy of the motor is improved, the accurate control of powder discharging is finally realized, and the accurate quantitative powder discharging of various brands and various sections is met simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the precise motor control device of the present invention, in which a control circuit board, a micro control unit and a power supply are not shown.
Fig. 2 is a circuit block diagram of the precise motor control device according to the present invention.
Fig. 3 is a detailed circuit diagram corresponding to an embodiment of the circuit block diagram shown in fig. 2.
Fig. 4 is an exploded perspective view of an embodiment of the automatic milk maker of the present invention.
Fig. 5 is an exploded view of the milk powder box, the milk powder cover and the milk powder metering mechanism of the automatic milk preparing machine shown in fig. 4.
Fig. 6 is a sectional view of the assembled milk powder box, milk powder cover and milk powder quantifying mechanism shown in fig. 5.
Fig. 7 is an assembly view of the milk powder box, the milk powder cover and the milk powder quantifying mechanism shown in fig. 6.
Fig. 8 is an assembly view of the automatic milk maker of fig. 4, in which the milk powder container, the milk powder cover, and the milk powder metering mechanism are not shown.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given by way of illustration only.
As shown in fig. 1 to 3, in an embodiment of the present invention, the motor precision control device 4 includes a motor 41, a hall sensor 42, a turntable 43, a Micro control Unit 44 (MCU), a control circuit board 45, a power source VCC, and a plurality of magnets 47.
The carousel 43 is located on the rotation axis 411 of motor 41, a plurality of magnets 47 are located on the carousel 43 and use the same ring that the rotation center of rotation axis 411 is the centre of a circle is evenly distributed, hall sensor 42 is close to the edge setting of carousel 43, control circuit board 45 electric connection be in power VCC with between the motor 41, control circuit board 45 includes power input control unit 451 and brake control unit 452, power input control unit 451, brake control unit 452 and hall sensor 42 respectively with little the control unit 44 correspond input/output port electric connection, hall sensor 42 is right magnet 47 on the carousel 43 responds to and output pulse signal gives little the control unit 44, power input control unit 451 is used for control under little the control action of control unit 44 break-make between power VCC and the motor 41, brake control unit 452 is used for little the control action of control unit 44 will fast under the control action of little the voltage at the both ends of motor 41 falls to 0V.
Referring to fig. 3, fig. 3 is a specific circuit diagram corresponding to an embodiment of the circuit block diagram shown in fig. 2, in the specific circuit diagram, the brake control unit 452 includes a brake control terminal 4521, a first resistor R1, a second resistor R2, a first N-Metal-Oxide-Semiconductor Q1 (referred to as NMOS for short), a third resistor R3, and a diode D1, one end of the first resistor R1 is connected to the brake control terminal, the other end of the first resistor R1 is grounded SGND, one end of the second resistor R2 is connected to the brake control terminal 4521, the other end of the second resistor R2 is connected to a gate G of the first N-Metal-Oxide-Semiconductor Q1, one end of the third resistor R3 is connected to a drain D of the first N-Metal-Oxide-Semiconductor Q1, the other end of the third resistor R3 is connected to one end 413 of the motor 41, the source S1 of the first N-Metal-Oxide-Semiconductor Q1 is grounded, the cathode of the diode SGND 1 is connected to the ground, and the other end of the diode D41 is connected to the ground.
The power input control unit 451 includes a power input control terminal 4511, a fourth resistor R4, a fifth resistor R5, an NPN transistor Q2, a sixth resistor R6, a seventh resistor R7, and a second N-type mos Q3, wherein one end of the fourth resistor R4 is connected to the power input control terminal 4511, the other end of the fourth resistor R4 is grounded SGND, one end of the fifth resistor R5 is connected to the power input control terminal 4511, the other end of the seventh resistor R is connected to the base B of the NPN transistor Q2, the emitter E of the NPN transistor Q2 is grounded SGND, one end of the sixth resistor R6 is connected to the collector C of the NPN transistor Q2, the other end of the sixth resistor R6 is connected to the gate G of the second N-type mos Q3, one end of the seventh resistor R7 is connected to the gate G of the second N-type mos Q3, the other end of the seventh resistor R7 is connected to the power VCC, the second N-type mos Q3 is connected to the drain S41, and the drain of the second N-type mos Q3 is connected to the drain S41.
Referring to fig. 1, in the present embodiment, a positioning plane 4111 is formed on a circumferential surface of a rotating shaft 411 of the motor 41, and one of the magnets 47 is opposite to the positioning plane 4111, so that when the rotating shaft 411 of the motor 41 is connected to a milk powder quantifying mechanism of an automatic milk preparing machine, the magnets 47 can be aligned to the milk powder grid of the milk powder quantifying mechanism. In this embodiment, the end surface of the rotating shaft 411 is D-shaped, and in other embodiments, the end surface of the rotating shaft may also be i-shaped, and one of two planes of the i-shaped rotating shaft is taken as a positioning plane.
The number of magnets 47 is 2, 3, 4, 5 or 6. In the present embodiment, the number of the magnets 47 is four.
As a further improvement, the precise motor control device further includes a motor bracket 48 and a hall sensor board 49, the motor 41 and the hall sensor board 49 are both mounted on the motor bracket 48, the hall sensor 42 is mounted on the hall sensor board 49, the plurality of magnets 47 are disposed on the end surface of the turntable 43, and when the turntable 43 drives one of the plurality of magnets 47 to rotate to the sensing position, the hall sensor 42 faces the magnet 47 in the axial direction of the rotating shaft 411.
Referring to fig. 4 to 8, in an embodiment of the automatic milk brewing machine of the present invention, the automatic milk brewing machine includes a housing 1, a head main body 2 disposed on the housing 1, a milk powder box 31, a milk powder cover 32, a milk powder quantifying mechanism 33, and a motor precision control device 4. The milk powder cartridge 31 is mounted in the head body 2. The specific structure of the motor precision control device 4 refers to the description of the previous embodiment.
Milk powder ration mechanism 33 is including mixing powder pole 331, scraping powder piece 332, powder feeding paddle 333 and drive shaft 334, powder feeding paddle 333, scrape powder piece 332 and mix powder pole 331 and follow supreme placing in proper order down in the milk powder box 31, the top of drive shaft 334 upwards stretches into in the milk powder box 31 and with powder feeding paddle 333 is connected with mixing powder pole 331 transmission, scrape powder piece 332 with milk powder box 31 fixed connection covers go out powder mouth 311 top.
The bottom end of the driving shaft 334 is provided with a first guiding position 3341, the top end of the rotating shaft 411 is connected with a coupling 412, and the coupling 412 is provided with a second guiding position 3441 which is matched with the first guiding position 3341 and performs automatic alignment.
The powder feeding paddle 333 is provided with a plurality of milk powder grids 3331 penetrating through the upper surface and the lower surface of the powder feeding paddle 333, the milk powder grids 3331 are distributed at even intervals along the circumferential direction of the powder feeding paddle 333, and the milk powder grids 3331 are equal in number and correspond to the magnets 47 in position one to one.
The automatic milk machine can further comprise a water tank, a water pump and a heating device. The power source VCC is used to provide corresponding voltage and current to the motor 41, the hall sensor 42, the micro control unit 44, and the control circuit board 45, so that they can operate normally.
The invention also provides a powder discharging control method applied to the automatic milk preparing machine, which comprises the following steps:
step A, the micro control unit 44 receives a powder outlet instruction;
step B, the micro control unit 44 controls the power input control unit 451 to turn on the power VCC to supply power to the motor 41;
step C, the motor 41 works normally after being electrified to drive the magnet 47 on the turntable 43 and the milk powder quantifying mechanism to rotate, the Hall sensor 42 senses the position of the magnet 47 in real time to judge whether the powder feeding port feeds powder, and when the powder feeding port judges that the powder feeding port feeds powder, a pulse signal is sent to the micro control unit 44;
step D, after the micro control unit 44 receives the pulse signal, controlling the power input control unit 451 to turn off the power VCC to supply power to the motor 41, simultaneously controlling the brake control unit 452 to rapidly reduce the voltage at the two ends of the motor 41 to 0V, calculating the total powder feeding amount, and if the total powder feeding amount does not reach the preset powder feeding amount, repeating the step B and the step C; and if the total powder feeding amount reaches the preset powder feeding amount, stopping the powder discharging process.
Steps a to D are further detailed below with reference to the specific circuit diagram in fig. 3. After the micro control unit 44 receives the powder discharging instruction, the micro control unit 44 outputs a high potential control signal to the power input control terminal 4511 of the power input control unit 451, so that the NPN type transistor Q2 is turned on, and is divided by the sixth resistor R6 and the seventh resistor R7 to provide a high potential to the second nmos Q3, so that the second nmos Q3 is turned on, at this time, the micro control unit 44 does not output a braking signal to the brake control terminal 4521 of the brake control unit 452, the first nmos Q1 is turned off, the power VCC applies a voltage to both ends of the motor 41 through the second nmos Q3, and the motor 41 normally operates.
The motor 41 works normally after being electrified, the magnet 47 on the turntable 43 and the milk powder quantifying mechanism are driven to rotate, the Hall sensor 42 senses the position of the magnet 47 in real time to judge whether the powder outlet discharges powder or not, and when the powder outlet is judged to discharge powder, a pulse signal is sent to the micro control unit 44. The turntable 43 rotates from the position where one magnet 47 faces the hall sensor 42 to the position where the adjacent magnet 47 faces the hall sensor 42, and then just finishes one powder discharging, and the powder discharging amount per time can be set by the design size of the powder outlet, for example, the powder discharging amount per time is set to 1 gram. The hall sensor 42 is a magnetic field sensor manufactured by the hall effect, and can determine whether or not the dial 43 is rotated from a position where one magnet 47 faces the hall sensor 42 to a position where the adjacent magnet 47 faces the hall sensor 42 by sensing the change of the magnet.
After the micro control unit 44 receives the pulse signal, the micro control unit 44 stops outputting a high-potential control signal to the power input control terminal 4511 of the power input control unit 451, the npn type transistor Q2 is not turned on, the second nmos Q3 disconnects the power VCC, and stops supplying power to the motor 41, and meanwhile, the micro control unit 44 outputs a high-potential brake signal to the brake control terminal 4521 of the brake control unit 452, so that the first nmos Q1 is turned on, and the voltage across the motor 41 is instantly reduced to 0V.
Normally, when the micro control unit 44 controls the on/off between the power VCC and the motor 41 through the power input control unit 451, the power input control unit 451 is not normally able to instantaneously reduce the voltage across the motor 41 to 0V, but there is a certain time delay, for example, in the specific circuit of the power input control unit 451 shown in the figure, when the input voltage of the second N-type metal oxide semiconductor Q3 is changed from high to low, and the second N-type metal oxide semiconductor Q3 is changed from on to off, the output voltage is changed from low to high through a certain time delay, so the voltage across the motor 41 is not instantaneously reduced to 0V, and by introducing the brake control unit 452, the voltage across the motor 41 can be instantaneously reduced to 0V, thereby improving the accuracy of motor control, and finally realizing the accurate control of the powder discharge. Meanwhile, accurate quantitative powder feeding of various brands and various sections is met.
The present invention is not limited to the above embodiments, and various modifications can be made within the technical contents disclosed in the above embodiments. All structural equivalents which may be introduced in the specification and drawings of the present invention, whether directly or indirectly through other related techniques, are encompassed by the present invention as if fully set forth herein.
Claims (8)
1. The motor precise control device is characterized by comprising a motor, a Hall sensor, a rotary disc, a micro control unit, a control circuit board, a power supply and a plurality of magnets, wherein the rotary disc is arranged on a rotary shaft of the motor, the magnets are arranged on the rotary disc and uniformly distributed on the same circular ring with the rotary center of the rotary shaft as the circle center, the Hall sensor is arranged close to the edge of the rotary disc, the control circuit board is electrically connected between the power supply and the motor, the control circuit board comprises a power supply input control unit and a brake control unit, the power supply input control unit, the brake control unit and the Hall sensor are respectively and electrically connected with corresponding input and output ports of the micro control unit, the Hall sensor senses the magnets on the rotary disc and outputs pulse signals to the micro control unit, the power supply input control unit is used for controlling the connection and disconnection between the power supply and the motor under the control action of the micro control unit, and the brake control unit is used for rapidly reducing the voltage at two ends of the motor to 0V under the control action of the micro control unit;
the brake control unit comprises a brake control end, a first resistor, a second resistor, a first N-type metal oxide semiconductor, a third resistor and a diode, wherein one end of the first resistor is connected with the brake control end, the other end of the first resistor is grounded, one end of the second resistor is connected with the brake control end, the other end of the second resistor is connected with a grid electrode of the first N-type metal oxide semiconductor, one end of the third resistor is connected with a drain electrode of the first N-type metal oxide semiconductor, the other end of the third resistor is connected with one end of the motor, a source electrode S of the first N-type metal oxide semiconductor is grounded, a cathode of the diode is connected with one end of the motor, and an anode of the diode is connected with the other end of the motor and is grounded simultaneously;
still include motor support and hall tablet, motor and hall tablet are all installed on the motor support, hall sensor installs on the hall tablet, a plurality of magnets are located on the terminal surface of carousel, drive as the carousel one of them rotation of a plurality of magnets is when responding to the position, hall sensor is in the axial of rotation axis is just right with this magnet mutually.
2. The apparatus according to claim 1, wherein the power input control unit includes a power input control terminal, a fourth resistor, a fifth resistor, an NPN type transistor, a sixth resistor, a seventh resistor, and a second N-type mos, one end of the fourth resistor is connected to the power input control terminal, the other end of the fourth resistor is grounded, one end of the fifth resistor is connected to the power input control terminal, the other end of the fifth resistor is connected to a base of the NPN type transistor, an emitter of the NPN type transistor is grounded, one end of the sixth resistor is connected to a collector of the NPN type transistor, the other end of the sixth resistor is connected to a gate of the second N-type mos, one end of the seventh resistor is connected to the gate of the second N-type mos, the other end of the seventh resistor is connected to the power supply, a drain of the second N-type mos is connected to the power supply, and a source of the second N-type mos is connected to one end of the motor.
3. The apparatus of claim 1, wherein a positioning plane is formed on a circumferential surface of a rotating shaft of the motor, and one of the plurality of magnets is aligned with the positioning plane.
4. The motor precision control device of claim 1, wherein the number of magnets is 2, 3, 4, 5 or 6.
5. An automatic milk brewing machine comprises a milk powder box and a milk powder quantifying mechanism, wherein a powder outlet is formed in the bottom of the milk powder box, the milk powder quantifying mechanism is arranged in the milk powder box, the automatic milk brewing machine is characterized by further comprising a motor accurate control device according to any one of claims 1 to 4, the motor accurate control device is arranged on the lower side of the milk powder box, and a rotating shaft of the motor is connected with the milk powder quantifying mechanism and drives the milk powder quantifying mechanism to rotate synchronously.
6. The automatic milk brewing machine according to claim 5, wherein the milk powder quantifying mechanism comprises a powder mixing rod, a powder scraping sheet, a powder feeding paddle and a driving shaft, the powder feeding paddle, the powder scraping sheet and the powder mixing rod are sequentially placed in the milk powder box from bottom to top, the top end of the driving shaft extends upwards into the milk powder box and is in transmission connection with the powder feeding paddle and the powder mixing rod, and the powder scraping sheet is fixedly connected with the milk powder box and covers the powder outlet.
7. The automatic milk brewing machine according to claim 6, wherein the powder feeding paddle is provided with a plurality of milk powder grids penetrating through the upper surface and the lower surface of the powder feeding paddle, the milk powder grids are uniformly distributed at intervals along the circumferential direction of the powder feeding paddle, the number of the milk powder grids is equal to the number of the magnets, and the milk powder grids are in one-to-one correspondence with the magnets.
8. A powder discharge control method of an automatic milk brewing machine according to any one of claims 5 to 7, characterized in that the powder discharge control method comprises the following steps:
step A, a micro control unit receives a powder outlet instruction;
b, the micro control unit controls the power input control unit to start a power supply to supply power to the motor;
step C, the motor works normally after being electrified to drive the magnet on the rotary table and the milk powder quantifying mechanism to rotate, the Hall sensor senses the position of the magnet in real time to judge whether the powder feeding port is fed with powder or not, and when the powder feeding port is judged to be fed with powder, a pulse signal is sent to the micro control unit;
d, after the micro control unit receives the pulse signal, controlling a power input control unit to close a power supply to supply power to the motor, simultaneously controlling a brake control unit to quickly reduce the voltage at two ends of the motor to 0V, calculating the total powder discharging amount, and if the total powder discharging amount does not reach the preset powder discharging amount, repeating the step B and the step C; and if the total powder feeding amount reaches the preset powder feeding amount, stopping the powder discharging process.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05192027A (en) * | 1991-11-22 | 1993-08-03 | Sawafuji Electric Co Ltd | Electrically-operated lawn mower |
| CN103956946B (en) * | 2014-04-25 | 2016-12-07 | 广东瑞德智能科技股份有限公司 | A kind of low-pressure high-power DC motor control circuit of band overcurrent protection |
-
2017
- 2017-05-23 CN CN201710370244.2A patent/CN107095578B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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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| CN107095578A (en) | 2017-08-29 |
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