WO2022205903A1 - Procédé et système de commande de vitesse de décharge d'une machine à crème glacée sur la base de la température et du degré de mise en forme - Google Patents

Procédé et système de commande de vitesse de décharge d'une machine à crème glacée sur la base de la température et du degré de mise en forme Download PDF

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Publication number
WO2022205903A1
WO2022205903A1 PCT/CN2021/128542 CN2021128542W WO2022205903A1 WO 2022205903 A1 WO2022205903 A1 WO 2022205903A1 CN 2021128542 W CN2021128542 W CN 2021128542W WO 2022205903 A1 WO2022205903 A1 WO 2022205903A1
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Prior art keywords
ice cream
value
temperature
stirring motor
discharge
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PCT/CN2021/128542
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English (en)
Chinese (zh)
Inventor
王新兵
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中绅科技(广东)有限公司
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Publication of WO2022205903A1 publication Critical patent/WO2022205903A1/fr

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/228—Arrangement and mounting of control or safety devices
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/222—Freezing drums
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/224—Agitators or scrapers
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/28—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups for portioning or dispensing
    • A23G9/281—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups for portioning or dispensing at the discharge end of freezing chambers

Definitions

  • the invention relates to the technical field of ice cream machines, in particular to a method for controlling the discharge speed of an ice cream machine based on temperature and molding degree.
  • the ice cream is formed in the evaporating cylinder of the ice cream machine, and the forming process of the ice cream material is roughly divided into three forming stages: liquid stage, solid-liquid mixed stage and solid stage.
  • the ice cream material is continuously stirred by the agitator in the evaporation cylinder.
  • the ice cream machine After the ice cream material in the evaporation cylinder reaches the preset final viscosity/hardness, the ice cream machine enters the standby state, so that the ice cream material maintains the final viscosity/hardness range.
  • the new liquid ice cream slurry will be replenished into the evaporating cylinder.
  • the average viscosity of the ice cream material in the evaporating cylinder will suddenly decrease. characteristic and naturally increase or return to the rated speed.
  • the forming degree of the ice cream in the evaporation cylinder will also change.
  • the quality of the ice cream produced later will deteriorate. It needs to be re-refrigerated before discharging, which prolongs the waiting time.
  • the Chinese Patent Publication No. CN101129153B discloses a soft ice cream machine with frequency conversion control function.
  • the cake-making process of the machine controls the power output of the motor and the speed by changing the frequency.
  • the rotation speed can be slightly higher.
  • the current of the stirring motor is gradually increased, which makes the cake body noise when stirring. Small, easy to adjust speed, stable starting torque, high efficiency, can make the cake body stick evenly.
  • the ice cream machine controls the motor speed by changing the frequency in the initial stage of refrigeration (cake) and during the refrigeration process, the refrigeration process is constantly changing with different working states such as feeding, discharging, and standby.
  • the specific control method of the ice cream machine under different working conditions.
  • the present invention provides a method for controlling the discharging speed of an ice cream machine based on temperature and molding degree.
  • the purpose is to precisely control the rotational speed of a stirring motor through a frequency converter, improve the discharging capacity of the ice cream machine, ensure the stability of the discharging amount of the ice cream machine, and ensure the stability of the ice cream machine. Reduce the energy consumption and operating noise of the ice cream machine.
  • the ice cream maker includes an evaporation cylinder, a stirrer and a stirring motor, the agitator is located in the evaporation cylinder and is used for stirring ice cream, the stirring motor is used to drive the agitator to rotate, and the ice cream maker further includes a control
  • the control system includes a main controller, a temperature monitoring module, a frequency converter and a discharge switch, and the frequency converter is connected with the stirring motor to adjust the input frequency of the stirring motor, thereby controlling the speed of the motor ;
  • the temperature monitoring module is used to monitor the temperature of the ice cream material in the evaporation cylinder or the return air temperature value of the evaporation cylinder, and transmit the temperature monitoring value to the main controller, and the frequency converter obtains the real-time operation of the stirring motor.
  • the working torque value is transmitted to the main controller, and the main controller obtains the real-time forming degree proportional value of the ice cream in the evaporation cylinder according to the real-time working torque value, and the discharge switch is used to detect the discharge valve. working state, the main controller adjusts the input frequency of the stirring motor according to the working state of the discharge valve in combination with the temperature monitoring value or the real-time forming degree proportional value.
  • the present invention obtains the temperature value signal of the ice cream material and the torque signal of the stirring motor inside the ice cream machine, wherein the torque signal of the stirring motor can reflect the hardness/viscosity state of the ice cream in the evaporating cylinder.
  • the forming degree of the ice cream is expressed as a proportional value, which is called is the formability ratio value.
  • the main controller can preset the empirical relationship between the inverter's real-time working torque value and the ice cream's real-time forming degree proportional value at different working frequencies, and obtain the real-time ice cream in the evaporating cylinder according to the empirical relationship of the inverter's current working frequency. Forming degree proportional value, the main controller controls the output frequency of the inverter under different discharging conditions of the ice cream machine according to the temperature monitoring value and the real-time forming degree proportional value, and changes the discharging speed by adjusting the rotational speed of the stirring motor.
  • the present invention has the following preferred designs:
  • the main controller monitors the discharge switch signal of the ice cream machine to judge the opening and closing status of the discharge valve, when the discharge valve is opened, and the temperature monitoring value ⁇ W1 or/and the real-time molding degree ratio value ⁇ Q1, adjust the input frequency of the stirring motor to A% of the rated input frequency, A ⁇ 100, and reduce the rotational speed of the stirring motor.
  • A 60 ⁇ 99
  • this judgment condition is as follows: when the temperature monitoring value is less than or equal to W1 or/and the real-time forming degree ratio value is greater than or equal to Q1, it means that the temperature of the ice cream in the evaporation cylinder is low and the degree of forming is high. At the rated input frequency, the thrust of the agitator is too large, so the speed of the stirring motor is limited to avoid the discharge speed being too fast and to ensure the stable discharge.
  • the ice cream machine When there are many consumers, the ice cream machine needs to discharge continuously at a high frequency. After multiple discharges, the harder ice cream at the front end of the evaporating cylinder is continuously pushed out, and the hardness of the ice cream in the evaporating cylinder decreases, which will lead to insufficient thrust of the mixer , the discharge speed of the ice cream machine gradually decreases at the original speed of the stirring motor.
  • the present invention also adds the following judging conditions: the number of discharges of the ice cream machine within a preset time T1 is monitored by the main controller, that is, the number of times the discharge valve is opened, when the number of discharges within the preset time T1 is greater than the set
  • the fixed value N if the material continues to be discharged and the temperature monitoring value is less than or equal to W2 or/and the real-time forming degree ratio value is greater than or equal to Q2, adjust the input frequency of the stirring motor to B% of the rated input frequency, B>100, through the The frequency converter increases the input frequency of the stirring motor and increases the rotational speed of the stirring motor, so that the thrust of the agitator is increased and the material is discharged, so as to ensure the stability of the discharge amount.
  • N is determined by the size of a single ice cream and the characteristics of the ice cream machine, and multiple N values can be set.
  • the present invention also adds the following judgment conditions: monitoring the time when the ice cream machine discharge valve is opened once by the main controller, when Continue to discharge when the single opening time of the discharge valve is greater than the preset time value T2, and the temperature monitoring value is less than or equal to W3 or/and the real-time molding degree ratio value is greater than or equal to Q3, and the input frequency of the stirring motor is adjusted to C of the rated input frequency.
  • a plurality of temperature sensors are arranged from the refrigerant inlet end to the refrigerant outlet end of the evaporating cylinder of the present invention.
  • three temperature sensors are provided, which are respectively used to monitor the real-time temperature values of the refrigerant inlet end, the refrigerant outlet end and the intermediate positions of the two of the evaporating cylinders, wherein the refrigerant inlet end corresponds to The outlet end of the evaporating cylinder and the outlet end of the refrigerant correspond to the feeding end of the evaporating cylinder.
  • the temperature monitoring value is ⁇ discharge molding temperature value ⁇ K2, K2 ⁇ K1, if the discharge valve is opened, adjust the input frequency of the stirring motor to the rated input frequency, that is, adjust the speed of the stirring motor to the rated speed.
  • the temperature monitoring value belongs to this case, which proves that new ice cream material enters the feed end of the evaporation cylinder, and the temperature of the feed end rises, but the ice cream at the discharge end and the middle position of the evaporation cylinder is still a formable ice cream that can be discharged.
  • the stirring motor Constant discharge can be achieved at rated input frequency.
  • the molding temperature value refers to the temperature value when the ice cream reached a certain molding last time.
  • the temperature value can be the temperature value of the refrigerant outlet end, the middle position or the refrigerant inlet end during the last molding, or the temperature value of any point in the evaporation cylinder. average value.
  • the intermediate temperature value is -15 degrees
  • K1 is set to +5 degrees
  • K2 is set to +2 degrees
  • the refrigerant outlet temperature value is ⁇ -15+5, that is, ⁇ -10
  • the temperature value of the refrigerant inlet end and the middle position is ⁇ -15 ⁇ 2, that is, ⁇ -17 ⁇ -13 degrees
  • the temperature monitoring value of the refrigerant outlet end is higher than the temperature monitoring value of the refrigerant inlet end and the middle position
  • Both are high, indicating that the feeding port of the evaporating cylinder starts to feed, but the ice cream at the discharge end and the middle position is still the formed ice cream that can be discharged.
  • the discharge switch is turned on to discharge, that is, the stirring motor is at rated input.
  • the material can be discharged at a constant frequency.
  • the temperature monitoring value of the refrigerant outlet end and the middle position is ⁇ the discharge forming temperature value + K3
  • the temperature monitoring value of the refrigerant inlet end is ⁇ the discharge forming temperature value ⁇ K4, K4 ⁇ K3
  • the discharge switch is turned on, then Adjust the input frequency of the stirring motor to E% of the rated input frequency, E>100.
  • the temperature monitoring value belongs to this case, which proves that there is new ice cream material entering the feeding end of the evaporation cylinder, and the temperature between the feeding end and the intermediate position of the evaporation cylinder has begun to rise, and only the discharging end of the evaporation cylinder is the shape ice cream that can be discharged.
  • the present invention enhances the thrust of the agitator by increasing the rotational speed of the stirring motor to above the rated rotational speed, which is conducive to the completion of discharging, thereby increasing the number of discharging materials when the ice cream machine frequently discharges materials, and reducing the waiting time of users or customers.
  • the molding temperature value refers to the temperature value when the ice cream reached a certain molding last time.
  • the temperature value can be the temperature value of the refrigerant outlet end, the middle position or the refrigerant inlet end during the last molding, or the temperature value of any point in the evaporation cylinder. average value.
  • the temperature monitoring value of the refrigerant outlet end and the middle position is ⁇ the discharge molding temperature value + K3, and the K3 setting value is +10 degrees, that is, the temperature of the refrigerant outlet end and the middle position is ⁇ -15 + 10, which is ⁇ -5 degrees, and the temperature monitoring value of the refrigerant inlet end is ⁇ the discharge molding temperature value ⁇ K4, K4 is set to 5 degrees, that is, the temperature of the refrigerant inlet end is ⁇ -15 ⁇ 5, which is -20 ⁇ - At 10 degrees, that is, the temperature monitoring value at the refrigerant outlet end and the temperature monitoring value at the middle position are higher than the temperature monitoring value at the refrigerant inlet end, indicating that more new materials have entered the inlet of the evaporating cylinder, and the outlet of the evaporating cylinder has entered more new materials.
  • the amount of formed ice cream at the material end and the middle position is small.
  • the discharge switch When the discharge switch is turned on to discharge, it is necessary to increase the speed of the stirring motor, and use a larger motor speed to push the internal ice cream to discharge, so as to achieve a more constant discharge.
  • the main controller monitors the opening of the discharge valve, and adjusts the input frequency of the stirring motor to the rated input frequency.
  • One of the embodiments of the present invention provides an ice cream machine control system, comprising:
  • a temperature monitoring module which is used to monitor the temperature of the ice cream material in the evaporating cylinder of the ice cream machine or the temperature value of the return air of the evaporating cylinder;
  • a frequency converter obtains the real-time working torque value of the operation of the stirring motor of the ice cream machine
  • a discharge switch which is used to detect the working state of the discharge valve of the ice cream machine.
  • the main controller obtains the real-time forming degree proportional value of the ice cream in the evaporation cylinder according to the real-time working torque value, and adjusts the real-time forming degree proportional value according to the working state of the discharge valve in combination with the temperature monitoring value or the real-time forming degree proportional value. the input frequency of the stirring motor.
  • One of the embodiments of the present invention provides an ice cream maker, comprising:
  • stirrer which is located in the evaporating cylinder for stirring ice cream
  • a stirring motor which is used to drive the stirrer to rotate
  • One of the embodiments of the present invention provides a control method of an ice cream machine
  • the input frequency of the stirring motor is adjusted according to the working state of the discharge valve combined with the temperature monitoring value or the real-time forming degree proportional value.
  • One embodiment of the present invention provides an ice cream machine controller, comprising a memory and a processor, wherein a computer program is stored in the memory, and characterized in that, when the computer program is executed by the processor, the processing The device executes the steps of the method for controlling the discharging speed of the ice cream machine based on the temperature and the degree of molding described in any one of the above embodiments or the steps of the control method for the ice cream machine according to any one of the above embodiments.
  • the present invention has the following remarkable effects:
  • the invention aims at different ice cream discharge conditions such as long-term undischarged, intermittent discharge, continuous multiple discharge, single long-time discharge, etc., and studies the relationship between the discharge speed and the ice cream machine under different discharge conditions.
  • the invention can reduce the rotating speed of the stirring motor and reduce the working energy consumption and noise when the material is not discharged for a long time; when the material is intermittently discharged, the rotating speed of the stirring motor can be separately controlled according to the temperature value or the timely forming degree, so as to achieve a more accurate Discharge control ability; when continuous multiple discharges or single long-term discharges, the speed of the stirring motor can be increased to improve the discharge capacity of the ice cream machine.
  • the material output can be guaranteed to be better and more constant, and the output capacity of the ice cream machine with the same configuration can be enhanced, which can reduce the waiting time of users or customers, reduce energy consumption and noise, and improve user benefits.
  • FIG. 1 is a schematic diagram of a module of an ice cream machine provided by one of the embodiments of the present invention
  • Fig. 2 is the module schematic diagram of the control system of the ice cream machine in Fig. 1;
  • FIG. 3 is a schematic flowchart of a control method of an ice cream machine provided by one of the embodiments of the present invention.
  • FIG. 4 is a schematic diagram of a module of an ice cream machine controller according to an embodiment of the present invention.
  • a method for controlling the discharge speed of an ice cream machine based on temperature and molding degree the ice cream machine comprises an evaporation cylinder, a stirrer and a stirring motor, the agitator is located in the evaporation cylinder for stirring ice cream, and the stirring motor Used to drive the agitator to rotate, the ice cream machine also includes a control system, the control system includes a main controller, a temperature monitoring module, a frequency converter and a discharge switch, and the frequency converter is connected to the stirring motor It is used to adjust the input frequency of the stirring motor, so as to control the speed of the motor;
  • the temperature monitoring module is used to monitor the temperature of the ice cream material in the evaporation cylinder or the return air temperature value of the evaporation cylinder, and transmit the temperature monitoring value to the main controller, and the frequency converter obtains the real-time operation of the stirring motor.
  • the working torque value is transmitted to the main controller, and the main controller obtains the real-time forming degree proportional value of the ice cream in the evaporation cylinder according to the real-time working torque value, and the discharge switch is used to detect the discharge valve. working state, the main controller adjusts the input frequency of the stirring motor according to the working state of the discharge valve in combination with the temperature monitoring value or the real-time forming degree proportional value.
  • the main controller obtains the temperature value signal of the ice cream material and the torque signal of the stirring motor inside the ice cream machine, wherein the torque signal of the stirring motor can reflect the hardness/viscosity state of the ice cream in the evaporation cylinder, and the real-time working torque value and the real-time ice cream can be obtained through the real-time working torque value.
  • the empirical relational expression of the degree of forming can obtain the real-time forming degree of ice cream, and the degree of forming is expressed in the form of a proportional value, which is called the proportional value of forming degree.
  • the main controller can preset the empirical relationship between the inverter's real-time working torque value and the ice cream's real-time forming degree proportional value at different working frequencies, and obtain the real-time ice cream in the evaporating cylinder according to the empirical relationship of the inverter's current working frequency. Forming degree proportional value, the main controller controls the output frequency of the inverter under different discharging conditions of the ice cream machine according to the temperature monitoring value and the real-time forming degree proportional value, and changes the discharging speed by adjusting the rotational speed of the stirring motor.
  • the stirring motor can be a wide-band three-phase asynchronous motor.
  • the working input frequency of the motor changes, the working voltage of the motor also changes with the input frequency.
  • the frequency converter adopts the frequency converter with the function of monitoring the torque of the stirring motor. This is The content of the prior art is not repeated here.
  • the main controller monitors the discharge switch signal of the ice cream machine to determine the opening and closing status of the discharge valve.
  • the temperature monitoring value is less than or equal to W1 or/and the real-time molding degree ratio value is greater than or equal to Q1
  • adjust the The input frequency of the stirring motor is A% of the rated input frequency, A ⁇ 100, and the rotation speed of the stirring motor is reduced.
  • A 60 ⁇ 99
  • the rated input frequency of the stirring motor is 50Hz
  • W1 is set to -10°C
  • Q1 is set to 95%.
  • the temperature monitoring value is less than or equal to -10°C or the molding degree ratio is greater than or equal to 95%
  • the material is discharged.
  • the ice cream machine When there are many consumers, the ice cream machine needs to discharge continuously at a high frequency. After multiple discharges, the harder ice cream at the front end of the evaporating cylinder is continuously pushed out, and the hardness of the ice cream in the evaporating cylinder decreases, which will lead to insufficient thrust of the mixer , the discharge speed of the ice cream machine gradually decreases at the original speed of the stirring motor.
  • the main controller monitors the number of discharges of the ice cream machine within a preset time T1, that is, the number of times the discharge valve is opened.
  • N is determined by the size of a single ice cream and the characteristics of the ice cream machine, and multiple N values can be set.
  • the discharge valve is not opened during the standby period and enters the refrigeration cycle again, adjust the stirring motor.
  • a plurality of temperature sensors are arranged from the refrigerant inlet end to the refrigerant outlet end of the evaporating cylinder of the present invention.
  • three temperature sensors are provided from the refrigerant inlet end to the refrigerant outlet end of the evaporating cylinder, which are respectively used to monitor the real-time temperature values of the refrigerant inlet end and the refrigerant outlet end of the evaporating cylinder and the intermediate positions between the two.
  • the refrigerant inlet end corresponds to the discharge end of the evaporating cylinder
  • the refrigerant outlet end corresponds to the feeding end of the evaporating cylinder. 5 °C
  • the temperature monitoring value of the refrigerant inlet end and the middle position is ⁇ K2, K2 ⁇ K1, K2 is preferably 2 °C in this example, if the discharge valve is opened, adjust the stirring motor.
  • the temperature monitoring value belongs to this case, which proves that new ice cream material enters the feed end of the evaporation cylinder, and the temperature of the feed end rises, but the ice cream at the discharge end and the middle position of the evaporation cylinder is still a formable ice cream that can be discharged.
  • the stirring motor Constant discharge can be achieved at rated input frequency.
  • K3 is preferably 10 °C
  • the temperature monitoring value of the refrigerant inlet end is the discharge forming temperature value ⁇ K4, K4 ⁇ K3, in this example K4 is preferably 5°C. If the discharge valve is opened, the input frequency of the stirring motor is adjusted to 120% of the rated input frequency, that is, 60Hz.
  • the present invention enhances the thrust of the stirrer by increasing the rotational speed of the stirring motor to above the rated rotational speed, which is conducive to the completion of discharging, thereby improving the frequent discharging capacity of the ice cream machine, and increasing the thrust of the stirrer to increase the number of materials that can be discharged. Reduce user or customer wait time.
  • the stirring motor works normally at the rated input frequency of 50Hz, if any one of the following is satisfied: the temperature monitoring value>W4 or/and the real-time molding degree ratio value ⁇ Q4, and the main controller monitors the output.
  • the parameter values in this embodiment are all preset preferred parameter values according to the characteristics of the ice cream maker, the ice cream ingredients and the use area, and the setting parameters can be set and adjusted according to the actual application scenario.
  • the adjustment method is realized by the programming software of the prior art.
  • the ice cream machine 100 provided in this embodiment includes an evaporation cylinder 110 , a stirrer 120 , a stirring motor 130 , a discharge valve 140 and a control system 200 .
  • the functions of the evaporation cylinder 110 , the agitator 120 , the stirring motor 130 , and the discharge valve 140 have been described in the above embodiments, and will not be repeated here.
  • the ice cream machine control system 200 includes a temperature monitoring module 210 , a frequency converter 220 , a discharge switch 230 and a main controller 240 .
  • the temperature monitoring module 210 is used to monitor the temperature of the ice cream material in the evaporating cylinder 110 of the ice cream machine or the return air temperature value of the evaporating cylinder 110;
  • the frequency converter 220 obtains the real-time working torque value of the operation of the stirring motor 130 of the ice cream machine
  • the discharge switch 230 is used to detect the working state of the discharge valve 140 of the ice cream machine.
  • the main controller 240 obtains the real-time forming degree ratio value of the ice cream in the evaporation cylinder 110 according to the real-time working torque value, and combines the temperature monitoring value or the real-time forming degree ratio according to the working state of the discharge valve 140 value to adjust the input frequency of the stirring motor 130.
  • One embodiment of the present invention provides an ice cream maker 100, including:
  • stirrer 120 the agitator 120 is located in the evaporation cylinder 110 for stirring the ice cream;
  • stirring motor 130 is used to drive the agitator 120 to rotate;
  • an embodiment of the present invention provides a control method for an ice cream machine, comprising the following steps:
  • the input frequency of the stirring motor is adjusted according to the working state of the discharge valve combined with the temperature monitoring value or the real-time forming degree proportional value.
  • an embodiment of the present invention provides an ice cream machine controller 300, including a memory 320 and a processor 310, wherein a computer program is stored in the memory 320, wherein the computer program is described by the
  • the processor 310 is executed, the processor 310 is caused to execute the method for controlling the discharge speed of the ice cream machine based on the temperature and the degree of molding described in any of the above embodiments or the method of the ice cream machine described in any of the above embodiments. The steps of the control method.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
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Abstract

Machine à crème glacée permettant de commander la vitesse de décharge de celle-ci sur la base d'une température et d'un degré de mise en forme, et son procédé de commande. La machine à crème glacée comprend un réservoir d'évaporation, un agitateur, un moteur électrique d'agitation et un système de commande. Le système de commande comprend un dispositif de commande principal, un module de surveillance de température, un convertisseur de fréquence et un commutateur de décharge. Le convertisseur de fréquence est utilisé pour régler une fréquence d'entrée du moteur électrique d'agitation. Le module de surveillance de température est utilisé pour surveiller la température de matériaux de crème glacée dans le réservoir d'évaporation ou la valeur de température d'air de retour du réservoir d'évaporation et le transférer au dispositif de commande principal. Le convertisseur de fréquence obtient une valeur de couple de fonctionnement en temps réel du fonctionnement du moteur électrique d'agitation et transfère la valeur de couple de fonctionnement en temps réel au dispositif de commande principal, de manière à obtenir une valeur proportionnelle du degré de mise en forme en temps réel de la crème glacée. Le commutateur de décharge est utilisé pour vérifier l'état de fonctionnement d'une soupape de décharge. Le dispositif de commande principal règle la fréquence d'entrée du moteur électrique d'agitation en fonction de l'état de fonctionnement de la soupape de décharge en combinaison avec la valeur de température surveillée ou la valeur proportionnelle du degré de mise en forme en temps réel. Au moyen du procédé, la vitesse de rotation d'un moteur électrique d'agitation dans un état de décharge d'une machine à crème glacée est commandée avec précision, de telle sorte que la capacité de décharge de la machine à crème glacée peut être améliorée, et la consommation d'énergie de celle-ci peut être réduite.
PCT/CN2021/128542 2021-03-29 2021-11-04 Procédé et système de commande de vitesse de décharge d'une machine à crème glacée sur la base de la température et du degré de mise en forme WO2022205903A1 (fr)

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CN202110332764.0A CN113142375A (zh) 2021-03-29 2021-03-29 一种基于温度和成型度控制冰淇淋机出料速度的方法
CN202110332764.0 2021-03-29

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