CN101584435A - Control method and control circuit for pulping machine - Google Patents

Control method and control circuit for pulping machine Download PDF

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Publication number
CN101584435A
CN101584435A CNA2009100402051A CN200910040205A CN101584435A CN 101584435 A CN101584435 A CN 101584435A CN A2009100402051 A CNA2009100402051 A CN A2009100402051A CN 200910040205 A CN200910040205 A CN 200910040205A CN 101584435 A CN101584435 A CN 101584435A
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CN
China
Prior art keywords
pulping
control
motor
pulping materials
circulation
Prior art date
Application number
CNA2009100402051A
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Chinese (zh)
Inventor
何玉林
王晓华
李前荣
Original Assignee
美的集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 美的集团有限公司 filed Critical 美的集团有限公司
Priority to CNA2009100402051A priority Critical patent/CN101584435A/en
Publication of CN101584435A publication Critical patent/CN101584435A/en

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Abstract

The present invention relates to a pulping machine field, especially relates to a control method and a control circuit for a pulping machine. By means of switching an anode and a cathode of a permanent magnet DC motor power supply to alter the motor direction, the pulping machine drives a pulverizing device to alter a rotation direction of the pulverizing device by a clockwise and an anticlockwise switching cycle of the motor during a jordaning bucking period of the pulping material of the pulping machine, further the pulping material is impinged and attrited with each other by an inertial principle when conveying in a liquid direction, such that the pulping material is comminuted thoroughly. A diverter or a burbling web body for comminuting the pulping material of a traditional soybean milk machine is reduced from the pulping machine of the invention, thus a cleanness is more convenient and a cost is reduced. In addition, for a pulping machine which bottom is heating, the pulping material will not be sink to a cup bottom due to an alteration of a liquid rotation direction by a switch of the motor clockwise and anticlockwise rotation, thus, it is capable of avoiding a problem that the viscous pulping materials such as rice, mung bean and the like are easy to be pasted on a bottom.

Description

A kind of pulper control method and control circuit thereof

Technical field

The present invention relates to the pulper field, particularly a kind of pulper control method, the present invention also comprises the control circuit of realizing this control method.

Background technology

The pulper of Xiao Shouing is (as soy bean milk making machine in the market, rice paste machine etc.), because the control circuit function of its motor is simple, slurrying shredding stage at pulper, reducing mechanism can only be along with motor rotation to same direction rotation, therefore in order to make pulping materials pulverize fully thoroughly, the cup inside of pulper must be provided with air deflector, the device of auxiliary pulverizing pulping materials such as guard or flow-disturbing muscle body, and for the pulper that is provided with air deflector and guard, air deflector and guard need be pulled down and clean, make troubles to the user, for the pulper that the flow-disturbing muscle is set, also can exist and clean the dead angle, and cost is also than higher.In addition, for the pulper of chassis heating, pulping materials such as rice, mung bean also can cause can occurring sticking with paste end phenomenon in pulping process owing to the motor steering problem is clung at the bottom of sinking to glass, influence the mouthfeel of slurrying drink.

Summary of the invention

The objective of the invention is to overcome the prior art deficiency, providing a kind of utilizes rotating that pulping materials is pulverized, the air deflector or the flow-disturbing muscle body that are used for pulverizing pulping materials on the traditional soybean milk machine have been cancelled, it is convenient to make the user clean, and reduced cost, and can avoid sticking with paste the pulper control method of the problem at the end.Another object of the present invention is to provide the control circuit of realizing said method.

In order to realize above-mentioned technical purpose, the present invention includes following technical characterictic: a kind of pulper control method comprises the following stage at least: pulping materials defibrination shredding stage; The pulping materials infusion stage; Described pulping materials defibrination shredding stage comprises that being used to beat the rotating of pulverizing slurry switches the circulation pulping process, this detailed process comprises: motor earlier just/counter-rotating M S, dwell time X S then, anti-again/as just to change N S, dwell time Y S then, this process circulation Z time.

Further, described pulping materials defibrination shredding stage comprises the steps:

The circulation pulping process is switched in a, rotating, and this process time continues t1, dwell time t2; Step a circulation n1 time is used for beating the pulverizing slurry;

B, heater heating touch anti-overflow device until slurries, dwell time t3;

Pulping materials defibrination shredding stage comprises step a and step b circulation n2 time.

Further, the parameter of described rotating switching circulation pulping process is: 1s≤M≤10s, 1s≤N≤10s, 0s≤X≤5s, 0s≤Y≤5s, 1≤Z≤10.

In order to guarantee beating results, also be provided with the pulping materials warm-up phase before the described pulping materials defibrination shredding stage, the heater total power preheats to 1,50 ℃≤T1 of temperature T≤95 ℃ the mixture of pulping materials and water in the pulping materials warm-up phase.。

In order to guarantee the effect of infusion slurries, the infusion stage of described pulping materials is adopted the half-power mode of heating, and perhaps intermittently the mode of heating is carried out, and stops t4 after slurries touch anti-flow electrode; The infusion step cycle of whole pulping materials n3 time.

For the potential safety hazard that prevents that the unattended duty long-time heating from bringing, described pulper control method picks up counting from startup, finishes slurrying behind preset time t0, no matter whether this pulping program is finished.

Second purpose of the present invention is the control circuit of realizing above-mentioned slurrying control method is provided, and comprises control module MCU, permanent magnet DC motor, by the reducing mechanism of permanent magnet DC motor driving; Control module MCU changes direction of motor rotation by the both positive and negative polarity that changes the permanent magnet DC motor power supply, realizes rotating switching circulation pulping process.

Further, comprise two relay R ELAY1, the RELAY2 of putting of a cutter, described control module MCU controls the cathode and anode directions of permanent magnet DC motor power supply by providing a cutter two actuating signals of putting relay R ELAY1, RELAY2.

The present invention compared with prior art, by the both positive and negative polarity that switches the permanent magnet DC motor power supply motor drive direction is changed, pulper is in pulping materials defibrination shredding stage, thereby the direction of rotation of switching circulation drive reducing mechanism by the rotating of motor also changes, in pulping process, utilize principle of inertia, the reducing mechanism direction changes moment, the direction of motion before liquid will keep, opposite with the reducing mechanism direction of rotation, pulping materials reducing mechanism in the liquid is pulverized, slurrying partial material in the liquid changes very fast with its direction of motion of variation of liquid in rotation direction simultaneously, and a part of material has little time to change the direction of motion, thereby pulping materials is clashed in the flow direction conversion mutually, friction is fully pulverized pulping materials.Therefore pulper has been cancelled air deflector or the flow-disturbing muscle body that is used for pulverizing pulping materials on the traditional soybean milk machine, and it is convenient to make that the user cleans, and has reduced cost.In addition for the pulper of chassis heating, by the switching of motor positive and inverse, pulping materials changes along with the liquid in rotation direction and at the bottom of can not sinking to glass, thereby has avoided viscosity pulping materials such as rice, mung bean easily to stick with paste the problem at the end.

Description of drawings

Fig. 1 is to use the structural representation of the pulper of pulping process of the present invention;

Fig. 2 is the program flow diagram of pulping process of the present invention;

Fig. 3 is that circulation pulping process flow chart is switched in rotating in the pulping process of the present invention;

Fig. 4 is the circuit controling drawing that the present invention realizes motor positive and inverse in the pulping process.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.

Fig. 1 is the structural representation of the pulper of use pulping process of the present invention, and pulper includes head 1, permanent magnet DC motor 2, control circuit, anti-overflow device 3, cup body 4, electric machine rotational axis 5, reducing mechanism 6, heater 7, temperature sensing device 8 and anti-dry burning device 9.In the present embodiment, permanent magnet DC motor 2, control circuit and control panel etc. are arranged in the head 1, anti-overflow device 3 adopts the anti-overflow probe, reducing mechanism 6 is mounted in the double blade Disintegrating knife on the electric machine rotational axis 5, heater 7 is mounted in the heat-generating pipe under the head 1, anti-dry burning device 9 is for stretching into the anti-dry probe in glass body, temperature sensing device 8 is to add thermistor in the anti-dry probe, monitor the temperature of slurries with resistance, be provided with in the cup 4 as any disturbing flow devices such as guard, flow-disturbing muscle.

Fig. 2 is the program flow diagram of pulping process of the present invention, and concrete pulping process is as follows:

After putting into an amount of pulping materials and water in the mash vessel and selecting suitable menu, press the start key on the control panel.

Water level detecting:

The water level detecting function is used to prevent that pulper from working under improper situation, thereby can avoid the generation of security incident.And sensed water level is from start to finish, i.e. pulper sensed water level always under the "on" position in case detect anhydrously, will start warning immediately, and quit work, locked button.

The pulping materials warm-up phase:

Heater 7 total powers preheat to temperature T 1 mixture of pulping materials and water, and the purpose of preheating is to make pulping materials softening, and makes the pulverizing beans material of back become easy.The preheat temperature scope remains on 50 ℃≤T1≤95 ℃ in the present embodiment.

Pulping materials defibrination shredding stage:

Step a, after warm-up phase was finished, pulper began the mixture of pulping materials and water is carried out the defibrination pulverizing.Permanent magnet DC motor 2 drives 6 pairs of pulping materials of reducing mechanism and pulverizes, it is that the circulation pulping process is switched in rotating that permanent magnet DC motor 2 drives reducing mechanism 6 crushing process, its flow process is as shown in Figure 3: motor earlier just/counter-rotating M S, dwell time X S then, anti-again/as just to change N S, dwell time Y S then, this process circulation Z time.Test of many times proves, when satisfying following parameter and be provided with, the effect of its making beating is best: 1s≤M≤10s, 1s≤N≤10s, 0.1s≤X≤5s, 0.1s≤Y≤5s, 1≤Z≤10, the total time scope that the circulation pulping process is switched in above rotating is controlled at 10s≤t1≤60s.

After permanent magnet DC motor 2 drive reducing mechanisms 6 have been pulverized pulping materials, dwell time t2, the purpose that stops t2 mainly is in order to strengthen crushing effect, test of many times proves, rotating is switched the circulation pulping process after whipping a period of time, its crushing effect obviously descends, and at this moment motor must shut down, and then restarts and carry out the rotating whipping, but dwell time t2 is unsuitable long, general 5s≤t2≤20s, this step a circulation n1 time, 1≤n1≤5.

Step b can also insert the heating of short time at the defibrination shredding stage, its objective is in order to make whole shredding stage be in certain temperature environment and carries out, and is convenient to the further softening of beans material, makes the easier pulverizing of beans material.Slurries stop t3 after being heated to and running into anti-flow electrode, in order to strengthen the anti-overflow effect, general 10s≤t3≤30s.Whole pulping materials defibrination shredding stage comprises step a and step b, and circulation n2 time, general 3≤n2≤12.

The infusion stage of pulping materials:

After pulping materials was pulverized fully, pulper began slurries are carried out the high temperature heating, touches anti-flow electrode until slurries.It mainly is in order to reduce the power of electro-heat equipment that electro-heat equipment adopts the mode of intermittently heating, because in heating process, have a large amount of foams in the slurries, if employing heating with full power, stop the heating back because the electro-heat equipment waste heat is bigger, after slurries touched anti-flow electrode, foam also can continue along with the release of waste heat to rise, thereby overflow cup, stay certain potential safety hazard.

Slurries stop t4 after touching anti-flow electrode, mainly are slurries are fallen after rise, and this time is distinguished to some extent according to the difference of beans material.As wet beans stop heat time heating time, to grow with respect to dried beans, in general 10s≤t4≤40s.Whole slurrying infusion step cycle n3 time, n3 is relevant with factors such as beans material, water levels, general 5≤n3≤20.

After the circulation heating froth breaking stage finished, slurrying finished, and system withdraws from, and warning device sends the signal that slurrying finishes.

The pulping process of pulper of the present invention also is set with time t0, and when picking up counting t0 from system, whether not control is finished program, and pulping program finishes, and system withdraws from, and warning device sends the signal that slurrying finishes.In the present embodiment, t0=35 minute.

Fig. 4 realizes the circuit controling drawing of motor positive and inverse in the pulping process for the present invention, mainly including control module MCU 10, controllable silicon U11-T1 module 11, rectification module 12, relay R ELAY1, RELAY213 and permanent magnet DC motor 2 constitutes, wherein slurrying electrical equipment reducing mechanism is directly driven by permanent magnet DC motor 2, thereby it is characterized in that described control circuit is to make relay ELAY1, RELAY2 13 actions change permanent magnet DC motors 2 input power positive cathode directions by the signal that control module MCU 10 exports.

When MCU will control motor rotation; MCU I/O exports a low level; U11 must conduct; thereby drive the T1 conducting; the L1 place; this electric current arrives bridge rectifier through overcurrent protection original paper RV11, is added to M+, M-after the bridge rectifier rectification of this alternating current through D1, D2, D3, D4 composition.

MCU gives high level signal of RELAY2 again, drive the Q2 conducting, the K3 action, MCU gives low level signal of RELAY1, then K4 is failure to actuate, at this moment the M1 motor is just terminating to M+, negative terminal is received M-, motor begins just to change the driving reducing mechanism makes slurrying liquid begin rotation, when 5 second time then, low level signal of MCU output is to RELAY1, RELAY2, at this moment K3, K4 is failure to actuate, M1 motor two ends must not, motor shuts down, and liquid keeps direction of rotation in the slurrying electrical equipment, when 0.2 second time then, MCU gives high level signal of RELAY1 again, drive the Q1 conducting, the K4 action, MCU gives low level signal of RELAY2, then K3 is failure to actuate, at this moment M1 motor negative terminal is received M+, is just terminating to M-, and motor begins counter-rotating, the reducing mechanism direction of rotation opposite with liquid and with liquid in material bump, material is pulverized by reducing mechanism, and the liquid in rotation direction changes simultaneously, and pulping materials collides pulverizing mutually in the conversion, when 4 second time then, low level signal of MCU output is to RELAY1, RELAY2, at this moment K3, K4 is failure to actuate, and M1 motor two ends must not, motor shuts down, when 0.2 second time then, MCU can determine whether that Z circulation finish, and does not then change for the 1st step and continues beginning and just change if finish, high level signal of MCU output turn-offs T1, motor rotation end-of-job to MCU I/O if circulation is finished then.

Claims (9)

1, a kind of pulper control method comprises the following stage at least:
Pulping materials defibrination shredding stage;
The pulping materials infusion stage;
It is characterized in that described pulping materials defibrination shredding stage comprises that being used to beat the rotating of pulverizing slurry switches the circulation pulping process.
2, pulper control method according to claim 1 is characterized in that: described rotating is switched the circulation pulping process and is comprised: motor earlier just/counter-rotating MS, dwell time XS then, anti-again/as just to change NS, dwell time YS then, this process circulation Z time.
3, pulper control method according to claim 2 is characterized in that: described pulping materials defibrination shredding stage comprises the steps:
The circulation pulping process is switched in a, rotating, and this process time continues t1, dwell time t2; Step a circulation n1 time is used for beating the pulverizing slurry;
B, heater heating touch anti-overflow device until slurries, dwell time t3;
Pulping materials defibrination shredding stage comprises step a and step b circulation n2 time.
4, according to each described pulper control method of claim 2 to 3, it is characterized in that: the parameter that the circulation pulping process is switched in described rotating is: 1s≤M≤10s, 1s≤N≤10s, 0s≤X≤5s, 0s≤Y≤5s, 1≤Z≤10.
5, pulper control method according to claim 1, it is characterized in that: also be provided with the pulping materials warm-up phase before the described pulping materials defibrination shredding stage, the heater total power preheats to 1,50 ℃≤T1 of temperature T≤95 ℃ the mixture of pulping materials and water in the pulping materials warm-up phase.
6, pulper control method according to claim 1 is characterized in that: the infusion stage of described pulping materials is adopted the half-power mode of heating, and perhaps intermittently the mode of heating is carried out, and stops t4 after slurries touch anti-flow electrode; The infusion step cycle of whole pulping materials n3 time.
7, pulper control method according to claim 1 is characterized in that: described pulper control method picks up counting from startup, finishes slurrying behind preset time t0, no matter whether this pulping program is finished.
8, a kind of control circuit of slurrying control method according to claim 1 is characterized in that: comprise control module MCU (10), permanent magnet DC motor (2), by the reducing mechanism (6) of permanent magnet DC motor (2) driving; Control module MCU (10) changes direction of motor rotation by the both positive and negative polarity that changes permanent magnet DC motor (2) power supply, realizes rotating switching circulation pulping process.
9, the control circuit of slurrying control method according to claim 8, it is characterized in that: comprise two relay R ELAY1, the RELAY2 (13) of putting of a cutter, described control module MCU (10) controls the cathode and anode directions of permanent magnet DC motor (2) power supply by providing a cutter two actuating signals of putting relay R ELAY1, RELAY2 (13).
CNA2009100402051A 2009-06-12 2009-06-12 Control method and control circuit for pulping machine CN101584435A (en)

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Application Number Priority Date Filing Date Title
CNA2009100402051A CN101584435A (en) 2009-06-12 2009-06-12 Control method and control circuit for pulping machine

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Application Number Priority Date Filing Date Title
CNA2009100402051A CN101584435A (en) 2009-06-12 2009-06-12 Control method and control circuit for pulping machine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101810224A (en) * 2010-05-10 2010-08-25 九阳股份有限公司 Soymilk machine and soymilk preparing method thereof
CN105725857A (en) * 2016-02-25 2016-07-06 浙江绍兴苏泊尔生活电器有限公司 Food processing machine and control method thereof
CN106068081A (en) * 2013-06-04 2016-11-02 皇家飞利浦有限公司 The method and apparatus manufacturing bean milk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101810224A (en) * 2010-05-10 2010-08-25 九阳股份有限公司 Soymilk machine and soymilk preparing method thereof
CN101810224B (en) * 2010-05-10 2013-07-31 九阳股份有限公司 Soymilk machine and soymilk preparing method thereof
CN106068081A (en) * 2013-06-04 2016-11-02 皇家飞利浦有限公司 The method and apparatus manufacturing bean milk
CN105725857A (en) * 2016-02-25 2016-07-06 浙江绍兴苏泊尔生活电器有限公司 Food processing machine and control method thereof
CN105725857B (en) * 2016-02-25 2019-03-15 浙江绍兴苏泊尔生活电器有限公司 Food cooking machine and its control method

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Application publication date: 20091125