CN202537094U - Intelligent control juicer - Google Patents

Intelligent control juicer Download PDF

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Publication number
CN202537094U
CN202537094U CN2012200631749U CN201220063174U CN202537094U CN 202537094 U CN202537094 U CN 202537094U CN 2012200631749 U CN2012200631749 U CN 2012200631749U CN 201220063174 U CN201220063174 U CN 201220063174U CN 202537094 U CN202537094 U CN 202537094U
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CN
China
Prior art keywords
circuit
juice extractor
control
signal
motor
Prior art date
Application number
CN2012200631749U
Other languages
Chinese (zh)
Inventor
王旭宁
周伟
成建
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九阳股份有限公司
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Priority to CN2012200631749U priority Critical patent/CN202537094U/en
Application granted granted Critical
Publication of CN202537094U publication Critical patent/CN202537094U/en

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Abstract

The utility model discloses an intelligent control juicer, which relates to the field of household-use food processing appliances and solves a technical problem that the shutdown operation of the traditional juicer is not intelligent enough. A scheme is as follows: the intelligent control juicer comprises a crushing tool, a motor and a power supply circuit which is used for supplying power to the motor, wherein the juicer further comprises a control circuit and a signal collecting circuit; the signal collecting circuit is used for collecting a voltage signal during the operation of the motor; and the control circuit is used for controlling the motor according to a variation amplitude of the voltage signal.The intelligent control juicer disclosed by the utility model can be automatically shut down after juicing is not carried out or juicing is finished for a section of time, so that machine damages caused by no shutdown due to manual factors are prevented and use security is improved.

Description

A kind of Based Intelligent Control juice extractor

Technical field

The utility model relates to a kind of juice extractor, belongs to domestic food processing apparatus field.

Background technology

Family expenses small electric apparatus such as juice extractor are convenient with it, practical characteristics more and more receives liking of consumer, and places such as many application and family, bar, restaurant have brought a lot of facilities for people's life.Existing juice extractor generally adopts rotary switch or point driving switch to realize opening or cutting out; Needing to stop manual operation after the start of mechanical type juice extractor; And will to stop after the electrical type juice extractor start be through manual button or program time control, all intellectuality and hommizations inadequately of the operation of these two types of juice extractors, and the user need keep an eye on juice extractor when squeezing the juice or handle other food; The working time of record juice extractor; In order to avoid the juice extractor single long internal body part that causes running time is crossed cause thermal damage, reduce service life, also be in order to save electric energy simultaneously.

Summary of the invention

The utility model problem to be solved just provides a kind of Based Intelligent Control juice extractor, and juice extractor can shut down after a period of time not squeezing the juice or squeeze the juice to finish automatically, prevents the machine breakdown of not shutting down and causing because of human factor to improve safety in utilization.

For solving the problems of the technologies described above; The utility model adopts following technical scheme: a kind of Based Intelligent Control juice extractor; Comprise crushing knife tool, motor and be the power circuit of said motor power supply; Said juice extractor also comprises control circuit and signal acquisition circuit, the voltage signal when said signal acquisition circuit is gathered said motor rotation, and said control circuit is controlled said motor according to the amplitude of variation of said voltage signal.

Further; Said signal acquisition circuit comprises the sample resistance that inserts said power circuit; Said sample resistance one end is connected in series said motor; The other end is signal output part and connects said control circuit that said signal acquisition circuit obtains to be proportional to the sampling voltage and the output of this electric current according to the electric current through sample resistance.

Further, the signal output part of said sample resistance is provided with ground capacity.

Further, the signal output part of said sample resistance is provided with clamp diode.

Further, said control circuit comprises pre-process circuit and drive circuit, and said pre-process circuit sends control signal according to the amplitude of variation of said voltage signal, and said drive circuit is controlled said motor according to said control signal.

Further, predetermined threshold value in the said pre-process circuit, the amplitude of variation of said voltage signal and predetermined threshold value compare the acquisition control signal, and said drive circuit is controlled said motor low-speed running or shutdown according to control signal under the juice extractor no-load condition.

Further, said pre-process circuit comprises single-chip microcomputer.

Further, said drive circuit is the controllable silicon drive circuit that comprises bidirectional triode thyristor, and said bidirectional triode thyristor is regulated the angle of flow according to said control signal and realized motor speed control.

Further, said drive circuit is the relay drive circuit that comprises relay.

Further, said juice extractor also comprises the button inputting circuits that is connected with said control circuit.

The beneficial effect of the utility model: the utility model is according to the variation characteristics of juice extractor power under unloaded and two kinds of duties of load; Detect the change in voltage amplitude; Judge the actual working state of juice extractor with this, and and then control motor rotation, realized intelligent management; Unloaded or can shut down automatically when no longer squeezing the juice at juice extractor, avoided the machine single long running time, played the effect of protection motor and inner body thereof; Simultaneously also saved electric energy, improved the security of juice extractor, compared prior art, the operation of the utility model has more intellectuality, also can solve the stall problem of juice extractor.

Description of drawings

Below in conjunction with accompanying drawing the utility model is done further explanation:

Fig. 1 is the circuit theory framework of the utility model;

Fig. 2 is the circuit layout of the utility model;

Among the figure: 1 control circuit, 11 pre-process circuits, 12 drive circuits, 2 power circuits, 3 signal acquisition circuits, 4 buttons discrepancy circuit.

The specific embodiment

With reference to Fig. 1, the utility model provides a kind of Based Intelligent Control juice extractor, comprises crushing knife tool, motor and is the power circuit 2 of motor power supply, and the rotation of motor-driven crushing knife tool reaches the purpose of cutting, pulverizing, stirring food; Juice extractor also comprises control circuit 1 and signal acquisition circuit 3, the voltage signal when said signal acquisition circuit 3 is gathered said motor rotation, and said control circuit 1 is controlled said motor according to the amplitude of variation of said voltage signal.

Existing juice extractor; With centrifugal juice extractor is example: the rotation of driven by motor cutter net height speed; Push food to the cutter net from charge door, the spine of cutter net is cut fruit and vegetable broken, under the action of centrifugal force that the running of cutter net height speed is produced; The pomace cutter net that flies out gets into the slag box, and fruit juice passes the cutter net and flows into juice glass.Generally, when empty load of motor turned round, load current was little, and the voltage analog value is just little, and the voltage digital value V of conversion is also little; When motor load turned round, load current was big, and the voltage analog value is just big, and the voltage digital value V of conversion is also big.But in fact; Centrifugal juice extractor is no matter slag tap the formula or the formula of not slagging tap, and when being in unloaded and no longer squeezing the juice this two states, power of motor keeps constant or changes very little; Thereby current of electric is constant or change very little; The voltage digital value that obtains is constant or variation is very little, and present intelligent juice extractor is only gathered single voltage, the very difficult duty that reflects juice extractor accurately of current data, and control accuracy is short of to some extent.And the utility model utilizes this characteristic, utilizes the amplitude of variation of voltage signal in one-period to control the running of juice extractor motor, and control accuracy is high, is not prone to maloperation.

Explain the characteristics of the utility model below through concrete embodiment:

Signal acquisition circuit 3 comprises the sample resistance R1 that inserts power circuit 2; Sample resistance R1 one end is connected in series said motor; The other end is signal output part and connects said control circuit 1 that signal acquisition circuit 3 obtains to be proportional to the sampling voltage and the output of this electric current according to the electric current through sample resistance R1.The signal output part of sample resistance R1 is provided with ground capacity C6, plays filter action; The signal output part of sample resistance R1 also is provided with clamp diode D10; Negative pole termination power+5V of clamp diode D10, then the circuit of positive terminal is by clamper+below the 5V current potential, play the effect of overvoltage protection; Sample resistance R1 is connected on that to be used in the power circuit 2 current conversion be that voltage signal is measured; The sample resistance R1 other end is seen voltage signal off, through the filtering of ground capacity C6, exports after the current limliting dividing potential drop of resistance R 16, resistance R 17; If voltage occurs greater than+5V, clamp diode D10 then carries out clamper to signal.

Control circuit 1 comprises pre-process circuit 11 and drive circuit 12, and said pre-process circuit 11 sends control signal according to the amplitude of variation of said voltage signal, and said drive circuit 12 is controlled said motor according to said control signal.Pre-process circuit 11 comprises single-chip microcomputer IC; Predetermined threshold value △ V among the single-chip microcomputer IC; The voltage signal of signal acquisition circuit 3 outputs is accomplished the AD conversion in single-chip microcomputer IC, can be external AD converter also, is used for converting voltage analog signal to voltage digital signal; Be connected in parallel to capacitor C 10 and electric capacity EC1 between the 1st pin of said single-chip microcomputer IC and the 8th pipe, the 2nd pin of said single-chip microcomputer IC connects drive circuit 12; Drive circuit 12 comprises triode Q3; The colelctor electrode of triode Q3 connects power circuit 2 through resistance R 18, resistance R 15; The base stage of triode Q3 connects single-chip microcomputer IC through resistance R 22; Be connected resistance R 25 between the base stage of triode Q3 and the emitter stage, also comprise bidirectional triode thyristor TR1, said bidirectional triode thyristor TR1 and motor are connected in series in the power circuit 2; The control utmost point of said bidirectional triode thyristor TR1 is through the colelctor electrode of resistance R 18 connection triode Q3, and bidirectional triode thyristor TR1 goes up also and be connected to capacitor C 3 and resistance R 14; Triode Q3 conducting after the high level of receiving single-chip microcomputer IC drives signal; The colelctor electrode of triode Q3 obtains a low level signal; It is poor that the anode of bidirectional triode thyristor TR1 and control interpolar produce forward voltage, promptly produces electric current and make bidirectional triode thyristor TR1 conducting, and bidirectional triode thyristor TR1 regulates the angle of flow according to said control signal and realizes motor speed control; Angle of flow angular dimension is different, and motor speed is corresponding to change.Drive circuit 12 also can adopt the relay drive circuit that comprises relay, and its principle is technical staff's common practise, is not detailing.

Power circuit 2 comprises piezo-resistance VR1, capacitor C 1, diode D2, resistance R 6, capacitor C 7, Zener diode Z1, the capacitor C 12 that is connected in parallel between the two poles; Be in series with diode D1 on the said diode D2, also comprise the resistance R 2, the resistance R 5 that are connected in series in the electric power loop, be connected in parallel to capacitor C 4 on the said resistance R 2.The principle of power circuit 2 is technical staff's common practise, is not detailing.

In addition; The utility model juice extractor also comprises the button inputting circuits 4 that is connected with said control circuit 1; Button inputting circuits 4 is mainly used in the manual operation of juice extractor; Can adopt rotary switch, ship type switch or point driving switch, the user can realize crawl operation juice extractor through button inputting circuits, has increased ease of use.

The operation principle of the utility model:

After opening juice extractor; Voltage signal when signal acquisition circuit 3 is constantly gathered motor rotation in one-period T, several voltage signals compare in single-chip microcomputer IC, draw a maximum voltage value VH and a minimum voltage value VL; Difference has just been reacted the amplitude of variation of voltage signal in the cycle T between maximum voltage value VH and the minimum voltage value VL so; If VH-VL≤△ V is illustrated in the cycle T, the amplitude of variation of voltage signal is very little; Control circuit 1 can judge that the juice extractor of this moment is in zero load or the state of no longer squeezing the juice, and sends control signal and motor is shut down or reduces rotating speed; If VH-VL>=△ V is illustrated in the cycle T, the amplitude of variation of voltage signal is bigger, and control circuit 1 can judge that the juice extractor of this moment is in load condition, and motor remains in operation.

The foregoing description is an example with centrifugal juice extractor; Only be the convenient principle of explaining the utility model; Those skilled in the art can make various changes and distortion to the utility model after knowing the principle of the utility model, and are applied to the juice extractor or the domestic food processing apparatus of other types; Only otherwise break away from the spirit of the utility model, all should belong to the defined scope of the utility model accompanying claims.

Claims (10)

1. Based Intelligent Control juice extractor; Comprise crushing knife tool, motor and be the power circuit of said motor power supply; It is characterized in that: said juice extractor also comprises control circuit and signal acquisition circuit; Voltage signal when said signal acquisition circuit is gathered said motor rotation, said control circuit is controlled said motor according to the amplitude of variation of said voltage signal.
2. a kind of Based Intelligent Control juice extractor according to claim 1; It is characterized in that: said signal acquisition circuit comprises the sample resistance that inserts said power circuit; Said sample resistance one end is connected in series said motor; The other end is signal output part and connects said control circuit that said signal acquisition circuit obtains to be proportional to the sampling voltage and the output of this electric current according to the electric current through sample resistance.
3. a kind of Based Intelligent Control juice extractor according to claim 2, it is characterized in that: the signal output part of said sample resistance is provided with ground capacity.
4. a kind of Based Intelligent Control juice extractor according to claim 2, it is characterized in that: the signal output part of said sample resistance is provided with clamp diode.
5. a kind of Based Intelligent Control juice extractor according to claim 1; It is characterized in that: said control circuit comprises pre-process circuit and drive circuit; Said pre-process circuit sends control signal according to the amplitude of variation of said voltage signal, and said drive circuit is controlled said motor according to said control signal.
6. a kind of Based Intelligent Control juice extractor according to claim 5; It is characterized in that: predetermined threshold value in the said pre-process circuit; The amplitude of variation of said voltage signal and predetermined threshold value compare the acquisition control signal, and said drive circuit is controlled said motor low-speed running or shutdown according to control signal under the juice extractor no-load condition.
7. according to claim 5 or 6 described a kind of Based Intelligent Control juice extractors, it is characterized in that: said pre-process circuit comprises single-chip microcomputer.
8. a kind of Based Intelligent Control juice extractor according to claim 5 is characterized in that: said drive circuit is the controllable silicon drive circuit that comprises bidirectional triode thyristor, and said bidirectional triode thyristor is regulated the angle of flow according to said control signal and realized motor speed control.
9. a kind of Based Intelligent Control juice extractor according to claim 5 is characterized in that: said drive circuit is the relay drive circuit that comprises relay.
10. a kind of Based Intelligent Control juice extractor according to claim 1, it is characterized in that: said juice extractor also comprises the button inputting circuits that is connected with said control circuit.
CN2012200631749U 2012-02-24 2012-02-24 Intelligent control juicer CN202537094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200631749U CN202537094U (en) 2012-02-24 2012-02-24 Intelligent control juicer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200631749U CN202537094U (en) 2012-02-24 2012-02-24 Intelligent control juicer

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333363A (en) * 2013-07-22 2015-02-04 广东美的环境电器制造有限公司 Trigger circuit for bidirectional triode thyristor as well as load control circuit and fan provided with same
CN105024619A (en) * 2015-08-21 2015-11-04 广东新宝电器股份有限公司 Intelligent speed control system of food stirring processor
CN105595785A (en) * 2016-02-20 2016-05-25 饶烨 Extruding, centrifuging and filtering integration juice extractor
CN106694114A (en) * 2016-11-14 2017-05-24 深圳市爱家福智能家居有限公司 Food waste treatment method, control system and foot waste treatment device
CN107947671A (en) * 2016-09-13 2018-04-20 广东美的生活电器制造有限公司 For the circuit for controlling motor of food processor, method and food processor
CN108803405A (en) * 2018-04-09 2018-11-13 浙江绍兴苏泊尔生活电器有限公司 Control circuit, control method and the juice extractor that juice extractor cleans automatically

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333363A (en) * 2013-07-22 2015-02-04 广东美的环境电器制造有限公司 Trigger circuit for bidirectional triode thyristor as well as load control circuit and fan provided with same
CN104333363B (en) * 2013-07-22 2017-08-01 广东美的环境电器制造有限公司 The triggers circuit of bidirectional triode thyristor and the load control circuit with it and fan
CN105024619A (en) * 2015-08-21 2015-11-04 广东新宝电器股份有限公司 Intelligent speed control system of food stirring processor
CN105595785A (en) * 2016-02-20 2016-05-25 饶烨 Extruding, centrifuging and filtering integration juice extractor
CN107947671A (en) * 2016-09-13 2018-04-20 广东美的生活电器制造有限公司 For the circuit for controlling motor of food processor, method and food processor
CN106694114A (en) * 2016-11-14 2017-05-24 深圳市爱家福智能家居有限公司 Food waste treatment method, control system and foot waste treatment device
CN106694114B (en) * 2016-11-14 2019-06-18 深圳市爱家福智能家居有限公司 Food-trash treatment method, control system and food refuse disposer
CN108803405A (en) * 2018-04-09 2018-11-13 浙江绍兴苏泊尔生活电器有限公司 Control circuit, control method and the juice extractor that juice extractor cleans automatically

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C14 Grant of patent or utility model
CP02 Change in the address of a patent holder

Address after: 250118 999 Mei Li Road, Huaiyin District, Ji'nan, Shandong

Patentee after: Joyoung Company Limited

Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118

Patentee before: Joyoung Company Limited

CP02 Change in the address of a patent holder