CN106707878B - Control circuit capable of automatically calibrating high-precision fructose quantifying machine and calibration method thereof - Google Patents
Control circuit capable of automatically calibrating high-precision fructose quantifying machine and calibration method thereof Download PDFInfo
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- CN106707878B CN106707878B CN201710055363.9A CN201710055363A CN106707878B CN 106707878 B CN106707878 B CN 106707878B CN 201710055363 A CN201710055363 A CN 201710055363A CN 106707878 B CN106707878 B CN 106707878B
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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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- 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
- A47J31/44—Parts or details or accessories of beverage-making apparatus
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25458—Opto isolation, optical separation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a control circuit capable of automatically calibrating a high-precision fructose quantifying machine and a calibration method thereof, belonging to the technical field of food machinery. The invention utilizes the closed-loop control principle to measure the output fructose amount on line in the calibration process, automatically calculates the fructose density and viscosity errors through a microcomputer, automatically corrects control parameters and stores the control parameters on a control main board, and a user only needs to place a container on a calibration device according to prompts during the calibration, the calibration process is automatically completed, the whole calibration process does not need other operations of the user, and the calibration results of the parameters are automatically stored; the calibration process is simple, the calibration can be completed only by 2 to 3 steps of operation, and the operation is simple and automatic; the calibration efficiency is high, and the whole calibration process takes less than 30 seconds; the reliability of calibration is high, and the results of multiple times of calibration are basically consistent; by adopting an optimized control algorithm, a user does not need to calibrate different constant values respectively.
Description
Technical Field
The invention relates to the technical field of food machinery, in particular to a control circuit capable of automatically calibrating a high-precision fructose quantifying machine and a calibration method thereof.
Background
The high-precision fructose quantifying machine is a device for precisely outputting set quantity of liquid fructose by controlling an output motor to drive a pump body according to set parameters and adopting a time control or counting control mode of a counting disc. In order to realize high-precision liquid fructose output, the set parameters need to be corrected when controlling a motor and a pump, and particularly when outputting liquid fructose with different densities, different viscosities and different temperatures, the same set parameters can bring great output errors; in addition, as the machine is used and the pump body wears itself, the original control parameters also need to be corrected. Therefore, it can be said that the accurate calibration of the control parameters of the high-precision fructose quantitative machine is a key to realizing high-precision liquid output.
In the prior art, the calibration mode of the control parameters of the high-precision fructose quantifying machine is basically manual calibration, fructose with different scales is released, and the fructose is weighed by an electronic scale, if errors exist, and is debugged according to the calibration methods of different machines. The common steps are as follows:
1. outputting fructose with a certain unit weight;
2. measuring the weight of the output fructose by using an electronic scale;
3. comparing the electronic scale data with the fructose weight value which is set and output, and adjusting the size of the output control parameter according to experience;
4. repeating the steps 2 and 3 until the output value measured by the electronic scale is consistent with the set value;
5. outputting different set values and repeating the processes of 1 to 4 until all the output values are consistent with the set values, and completing the calibration.
In summary, the manual adjustment of the control parameters is quite complicated, and has high requirement on experience of operators, and excessive human factors exist in the adjustment process, so that deviation is easily caused by human errors, and the time required for calibration is long, which affects normal use of the machine.
Disclosure of Invention
In order to solve the problems, the invention improves the calibration mode of the high-precision fructose quantitative machine and improves the accuracy and efficiency of parameter calibration, and changes the original manual calibration mode into a one-key full-automatic calibration mode, thereby greatly simplifying the parameter calibration flow.
The invention is realized by the following technical scheme:
the utility model provides a control circuit that can automatic calibration high accuracy fructose ration machine, includes master control computer board, power and drive plate, master control computer board and power and drive plate electric connection, master control computer board is connected with LCD display screen, level sensor, temperature sensor, inductive switch, door control switch and automatic calibration circuit, and power and drive plate turn into the 220V alternating current power of input into 12V and 5V direct current power and give master control computer board and drive circuit power supply, and power and drive plate include isolation drive circuit, and power and drive plate are connected with photoelectric encoder electricity, isolation drive circuit passes through the silicon controlled rectifier and is connected with heater and electric pump.
A calibration method capable of automatically calibrating a high-precision fructose quantifying machine comprises the following steps:
a. outputting a first quantitative value, primarily calculating the density parameter of fructose, and determining a function coefficient P of the output fructose value and a set value;
b. outputting a second quantitative value, and calculating a fixed value parameter C to be corrected;
c. outputting a third quantitative value, calculating the density parameter of the corrected fructose, automatically storing the calibration parameter, and automatically completing the calibration.
The principle used in automatic calibration is that a power supply and a driving board receive driving signals of a main control computer board and drive a silicon controlled rectifier through an isolation driving circuit, so that a heater and an electric pump are driven to operate, and the power supply and the driving board collect photoelectric code disc signals at the same time and upload the photoelectric code disc signals to the main control computer board through a cable, so that accurate closed-loop control of the electric pump is realized.
Compared with the prior art, the invention has the beneficial effects that:
the invention utilizes the closed-loop control principle to measure the output fructose amount on line in the calibration process, automatically calculates the fructose density and viscosity errors through a microcomputer, automatically corrects control parameters and stores the control parameters on a control main board, and a user only needs to place a container on a calibration device according to prompts during the calibration, the calibration process is automatically completed, the whole calibration process does not need other operations of the user, and the calibration results of the parameters are automatically stored; the calibration process is simple, the calibration can be completed only by 2 to 3 steps of operation, and the operation is simple and automatic; the calibration efficiency is high, and the whole calibration process takes less than 30 seconds; the reliability of calibration is high, and the results of multiple times of calibration are basically consistent; by adopting an optimized control algorithm, a user does not need to calibrate different constant values respectively.
Drawings
FIG. 1 is a schematic diagram of a control circuit of the present invention;
FIG. 2 is a schematic diagram of the principle structure of the automatic calibration circuit of the present invention;
FIG. 3 is a schematic diagram of an automatic calibration flow structure according to the present invention;
fig. 4 is a mathematical model diagram of the principle used in the calibration method of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the utility model provides a control circuit that can automatic calibration high accuracy fructose ration machine, includes master control computer board, power and drive plate, master control computer board and power and drive plate electric connection, master control computer board is connected with LCD display screen, level sensor, temperature sensor, inductive switch, door control switch and automatic calibration circuit, and power and drive plate turn into the 220V alternating current power of input into 12V and 5V direct current power and give master control computer board and drive circuit power supply, and power and drive plate include isolation drive circuit, and power and drive plate are connected with photoelectric encoder electricity, isolation drive circuit passes through the silicon controlled rectifier and is connected with heater and electric pump.
A calibration method capable of automatically calibrating a high-precision fructose quantifying machine comprises the following steps:
a. outputting a first quantitative value, primarily calculating the density parameter of fructose, and determining a function coefficient P of the output fructose value and a set value;
b. outputting a second quantitative value, and calculating a fixed value parameter C to be corrected;
c. outputting a third quantitative value, calculating the density parameter of the corrected fructose, automatically storing the calibration parameter, and automatically completing the calibration.
The principle used in automatic calibration is that a power supply and a driving board receive driving signals of a main control computer board and drive a silicon controlled rectifier through an isolation driving circuit, so that a heater and an electric pump are driven to operate, and the power supply and the driving board collect photoelectric code disc signals at the same time and upload the photoelectric code disc signals to the main control computer board through a cable, so that accurate closed-loop control of the electric pump is realized.
As shown in figure 1 of the accompanying drawings, the control circuit capable of automatically calibrating the high-precision fructose quantifying machine comprises a main control computer board, a power supply and a driving board, wherein the main control computer board is electrically connected with the power supply and the driving board, the main control computer board is connected with an LCD display screen, a liquid level sensor, a temperature sensor, an inductive switch, a gate control switch and an automatic calibration circuit, the driving board comprises an isolation driving circuit, the driving board and the power supply are electrically connected with an optoelectronic code disc, and the isolation driving circuit is connected with a heater and an electric pump through a silicon controlled rectifier. The LCD display screen is used for displaying information such as temperature, liquid level, heating state, quantitative value, setting interface and the like; the liquid level sensor is used for detecting the volume of liquid sugar in the container; the temperature sensor is used for detecting the temperature of the liquid sugar in the container; the inductive switch is used for detecting whether a cup is arranged below the sugar outlet; the gate control switch is used for detecting whether the automatic calibration platform is opened or not; the automatic calibration circuit is used for automatically calibrating the output control parameters. The power supply and the driving board convert the input 220V alternating current power supply into 12V and 5V direct current power supplies for the main control computer board and the driving circuit.
As shown in figure 2 of the specification, the automatic calibration circuit adopts a modularized design, is connected with the main control computer board through a data line, and is closed during normal use and is opened when the calibration parameters are needed. The circuit principle used for automatic calibration is a closed-loop control principle, a power supply and a driving board receive driving signals of a main control computer board and drive a silicon controlled rectifier through an isolation driving circuit, so that a heater and an electric pump are driven to operate, and the power supply and the driving board collect photoelectric code disc signals at the same time and upload the photoelectric code disc signals to the main control computer board through a cable so as to realize accurate closed-loop control of the electric pump.
As shown in figure 3 of the accompanying drawings, the calibration method capable of automatically calibrating the high-precision fructose quantifying machine comprises the following steps: firstly, outputting a first quantitative value with a larger numerical value, primarily calculating a density parameter of fructose, and determining a function coefficient P of an output fructose value and a set value; secondly, outputting a second quantitative value with smaller numerical value, and calculating a fixed value parameter C to be corrected; and finally, outputting a third quantitative value with a larger numerical value, calculating the density parameter of the corrected fructose, automatically storing the calibration parameter, and automatically completing the calibration.
The calibration is mainly to analyze and calculate the density and viscosity of fructose, determine the functional relation between the output fructose value and the set output fixed value, and the mathematical model is shown in figure 4 of the specification through analysis and simplification of the mathematical model.
The calibration mode is a one-key full-automatic calibration mode, and automatic calibration is realized through a main control computer board and a program.
The invention utilizes the closed-loop control principle to measure the output fructose amount on line in the calibration process, automatically calculates the fructose density and viscosity errors through a microcomputer, automatically corrects control parameters and stores the control parameters on a control main board, and a user only needs to place a container on a calibration device according to prompts during the calibration, the calibration process is automatically completed, the whole calibration process does not need other operations of the user, and the calibration results of the parameters are automatically stored; the calibration process is simple, the calibration can be completed only by 2 to 3 steps of operation, and the operation is simple and automatic; the calibration efficiency is high, and the whole calibration process takes less than 30 seconds; the reliability of calibration is high, and the results of multiple times of calibration are basically consistent; by adopting an optimized control algorithm, a user does not need to calibrate different constant values respectively.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (2)
1. A control circuit capable of automatically calibrating a high-precision fructose quantifying machine is characterized in that: the automatic calibration device comprises a main control computer board, a power supply and a driving board, wherein the main control computer board is electrically connected with the power supply and the driving board, the main control computer board is connected with an LCD display screen, a liquid level sensor, a temperature sensor, an inductive switch, a gate control switch and an automatic calibration circuit, the power supply and the driving board convert an input 220V alternating current power supply into a 12V direct current power supply and a 5V direct current power supply to supply power to the main control computer board and the driving circuit, the power supply and the driving board comprise an isolation driving circuit, the power supply and the driving board are electrically connected with a photoelectric code disc, the isolation driving circuit is connected with a heater and an electric pump through a controllable silicon, and the gate control switch is used for detecting whether the automatic calibration circuit is opened;
the automatic calibration principle of the automatic calibration circuit is that the power supply and the driving board receive driving signals of the main control computer board and drive the controllable silicon through the isolation driving circuit, so that the heater and the electric pump are driven to operate, and the power supply and the driving board collect photoelectric code disc signals at the same time and upload the photoelectric code disc signals to the main control computer board through a cable, so that accurate closed-loop control of the electric pump is realized.
2. A calibration method capable of automatically calibrating a high-precision fructose quantifying machine is characterized by comprising the following steps of: the method comprises the following steps:
a. outputting a first quantitative value, primarily calculating the density parameter of fructose, and determining a function coefficient P of the output fructose value and a set value;
b. outputting a second quantitative value, and calculating a fixed value parameter C to be corrected;
c. outputting a third quantitative value, calculating the density parameter of the corrected fructose, automatically storing the calibration parameter, and automatically completing the calibration.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055363.9A CN106707878B (en) | 2017-01-22 | 2017-01-22 | Control circuit capable of automatically calibrating high-precision fructose quantifying machine and calibration method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055363.9A CN106707878B (en) | 2017-01-22 | 2017-01-22 | Control circuit capable of automatically calibrating high-precision fructose quantifying machine and calibration method thereof |
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| Publication Number | Publication Date |
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| CN106707878A CN106707878A (en) | 2017-05-24 |
| CN106707878B true CN106707878B (en) | 2023-08-15 |
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| CN201710055363.9A Active CN106707878B (en) | 2017-01-22 | 2017-01-22 | Control circuit capable of automatically calibrating high-precision fructose quantifying machine and calibration method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114931316A (en) * | 2022-04-02 | 2022-08-23 | 厦门精鸿自动化设备有限公司 | Automatic decocting fructose dosing machine and control system thereof |
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| TW200613192A (en) * | 2004-10-19 | 2006-05-01 | Chun-Yi Wu | The supply method for fixed amount of fructose |
| CN102869291A (en) * | 2010-03-19 | 2013-01-09 | 康克迪亚咖啡有限公司 | Method and apparatus for controlling brewed beverage quality |
| CN103679953A (en) * | 2012-09-05 | 2014-03-26 | 早川产机株式会社 | Apparatus for and method of adjusting dilution ratio in beverage dispenser |
| CN204105758U (en) * | 2014-08-28 | 2015-01-21 | 王国栋 | Fructose quantitative machine |
| CN104856565A (en) * | 2015-04-28 | 2015-08-26 | 广东顺德东方麦田工业设计有限公司 | Instant heating type drinking equipment and control method thereof |
| CN105987745A (en) * | 2011-01-21 | 2016-10-05 | 莱伯曼兹有限公司 | Automated solution dispenser |
| CN106175489A (en) * | 2015-05-27 | 2016-12-07 | 费伦扎拓Mc有限公司 | Grind and doser device for having the Coffee Grinding of weighing-appliance and the automatic calibrating method of doser device and electronics |
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2017
- 2017-01-22 CN CN201710055363.9A patent/CN106707878B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200613192A (en) * | 2004-10-19 | 2006-05-01 | Chun-Yi Wu | The supply method for fixed amount of fructose |
| CN102869291A (en) * | 2010-03-19 | 2013-01-09 | 康克迪亚咖啡有限公司 | Method and apparatus for controlling brewed beverage quality |
| CN105987745A (en) * | 2011-01-21 | 2016-10-05 | 莱伯曼兹有限公司 | Automated solution dispenser |
| CN103679953A (en) * | 2012-09-05 | 2014-03-26 | 早川产机株式会社 | Apparatus for and method of adjusting dilution ratio in beverage dispenser |
| CN204105758U (en) * | 2014-08-28 | 2015-01-21 | 王国栋 | Fructose quantitative machine |
| CN104856565A (en) * | 2015-04-28 | 2015-08-26 | 广东顺德东方麦田工业设计有限公司 | Instant heating type drinking equipment and control method thereof |
| CN106175489A (en) * | 2015-05-27 | 2016-12-07 | 费伦扎拓Mc有限公司 | Grind and doser device for having the Coffee Grinding of weighing-appliance and the automatic calibrating method of doser device and electronics |
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