CN114040530A - Low-power-consumption control system of variable-frequency induction heating equipment - Google Patents
Low-power-consumption control system of variable-frequency induction heating equipment Download PDFInfo
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- CN114040530A CN114040530A CN202111588101.1A CN202111588101A CN114040530A CN 114040530 A CN114040530 A CN 114040530A CN 202111588101 A CN202111588101 A CN 202111588101A CN 114040530 A CN114040530 A CN 114040530A
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- temperature
- heating
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- equipment
- frequency induction
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 156
- 230000006698 induction Effects 0.000 title claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 238000011217 control strategy Methods 0.000 claims description 6
- 239000012925 reference material Substances 0.000 claims description 6
- 238000013527 convolutional neural network Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
Abstract
The invention discloses a low-power-consumption control system of variable-frequency induction heating equipment, which comprises an acquisition module, a working condition matching module, a temperature monitoring module, a power consumption module and a matching module, wherein the acquisition module is used for acquiring working conditions of the variable-frequency induction heating equipment; the acquisition module is used for acquiring the working condition of the variable-frequency induction heating equipment and sending the working condition to the adjusting module, wherein the working condition comprises the material sub-condition, the equipment temperature sub-condition and the environment temperature sub-condition; the working condition matching module is used for generating a material heating working condition and sending the material heating working condition to the adjusting module; the temperature monitoring module is used for monitoring the temperature of the heating equipment in real time and generating an equipment temperature sub-condition and an environment temperature sub-condition; through obtaining the equipment temperature sub-condition in the working condition to select the heating time that equipment temperature is the same with heating temperature in the material heating operating mode as stage initial time, equipment temperature is frequency conversion induction heating equipment's heating chamber temperature, can be so that the material need not to reach energy-conserving effect in the heating process that experiences earlier stage.
Description
Technical Field
The invention relates to an equipment energy-saving control technology, in particular to a low-power-consumption control system of variable-frequency induction heating equipment.
Background
The frequency conversion induction heating equipment is characterized in that three-phase power frequency alternating current is rectified and then converted into direct current, the direct current is converted into adjustable current to be supplied to alternating current flowing through a capacitor and an induction coil, high-density magnetic lines are generated in the induction coil, metal materials contained in the induction coil are cut, large eddy current is generated in the metal materials, the metal materials are not in direct contact with the induction coil, the temperature of the electrified coil is low, but the surface of a cylinder is heated to be red and even melted, and the red and melting speed can be realized only by adjusting the frequency and the current intensity, so that a large amount of energy is consumed by the frequency conversion induction heating equipment.
Therefore, a new design solution is needed to solve the above problems in the prior art.
Disclosure of Invention
The present invention aims to provide a low power consumption control system for a variable frequency induction heating device to solve the above mentioned problems in the background art.
The invention aims to solve the problems that:
how to optimize the heating process of the material by obtaining the temperature subcase of the equipment in the working condition so as to achieve the effect of energy conservation.
The purpose of the invention can be realized by the following technical scheme:
a low-power-consumption control system of variable-frequency induction heating equipment comprises an acquisition module, a working condition matching module, a temperature monitoring module, a power consumption module and a matching module;
the acquisition module is used for acquiring the working condition of the variable-frequency induction heating equipment and sending the working condition to the adjusting module, wherein the working condition comprises the material sub-condition, the equipment temperature sub-condition and the environment temperature sub-condition;
the working condition matching module is used for generating a material heating working condition and sending the material heating working condition to the adjusting module;
the temperature monitoring module is used for monitoring the temperature of the heating equipment in real time and generating an equipment temperature sub-condition and an environment temperature sub-condition;
the power consumption module generates a power consumption table based on the working condition of the variable frequency induction heating equipment and the material heating working condition;
the matching module generates a low-power control strategy based on the power consumption table and the ambient temperature sub-conditions, wherein the low-power control strategy comprises a time node and a control node.
Further, the variable frequency induction heating equipment operates based on time nodes and control nodes, wherein the time nodes comprise a plurality of phase starting times and phase ending times;
the control node comprises all control instructions in the current time node.
Further, the acquisition module is used for obtaining the working condition of the variable frequency induction heating equipment and specifically comprises:
acquiring video information of the variable-frequency induction heating equipment, wherein the video information comprises a feeding port video of the variable-frequency induction heating equipment or a heating cavity video of the variable-frequency induction heating equipment;
identifying the video information through a convolutional neural network to obtain the material sub-condition, wherein the material sub-condition comprises the type of the material.
Further, the acquisition module is used for obtaining the operating condition of frequency conversion induction heating equipment and still includes:
and establishing data link with the temperature monitoring module, and acquiring the temperature sub-situation and the environment temperature sub-situation in the temperature monitoring module.
Further, the temperature monitoring module is used for monitoring the temperature of the heating device in real time and comprises:
arranging a plurality of temperature sensors in a heating cavity of the variable-frequency induction heating equipment, and acquiring the average temperature of the plurality of temperature sensors as the temperature sub-condition of the equipment;
a plurality of temperature sensors are arranged on a shell of the variable-frequency induction heating equipment, and the average temperature of the temperature sensors is acquired as the ambient temperature sub-condition.
Further, the operating mode matching module is used for generating material heating operating modes and comprises:
acquiring the material type in the material condition, matching the material type with a preset reference material, and outputting the heating temperature and the corresponding heating time;
and (4) corresponding the heating time and the heating temperature one by one to generate a material heating working condition.
Further, the power consumption module includes based on the working condition of frequency conversion induction heating equipment and material heating operating mode generation consumption table:
acquiring the sub-condition of the equipment temperature in the working condition, and selecting the heating time with the same equipment temperature as the heating temperature in the material heating working condition as the stage starting time;
and acquiring power consumption required by the corresponding heating temperature from the stage starting time to the stage ending time, and generating a power consumption table, wherein the required power consumption in the power consumption table corresponds to the time nodes one by one.
Further, the matching module generates a low power consumption control strategy based on the power consumption table and the ambient temperature sub-situation, including:
if the difference value between the environment temperature and the heating temperature corresponding to the power consumption table is larger than the threshold value, executing a control node within the stage starting time corresponding to the heating temperature;
and if the difference value between the environment temperature and the heating temperature corresponding to the power consumption table is less than or equal to the threshold value, the control node is not executed within the stage starting time corresponding to the heating temperature.
Compared with the prior art, the invention has the beneficial effects that:
through obtaining the equipment temperature sub-condition in the working condition to select the heating time that equipment temperature is the same with heating temperature in the material heating operating mode as stage initial time, equipment temperature is frequency conversion induction heating equipment's heating chamber temperature, can be so that the material need not to reach energy-conserving effect in the heating process that experiences earlier stage.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the principle of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, a low power consumption control system for a variable frequency induction heating device is applied to the variable frequency induction heating device, and in some embodiments, the variable frequency induction heating device rectifies a three-phase power frequency alternating current into a direct current, and then converts the direct current into an adjustable current, which is supplied to an alternating current flowing through a capacitor and an induction coil, generates high-density magnetic lines in the induction coil, cuts a metal material contained in the induction coil, generates a large eddy current in the metal material, the metal material is not in direct contact with the induction coil, the temperature of the energized coil is low, but the surface of a cylinder is heated to be red, even melted, and the red and melting speed can be achieved by only adjusting the frequency and the intensity of the current.
In some embodiments, the low-power-consumption control system of the variable-frequency induction heating equipment comprises an acquisition module, a working condition matching module, a temperature monitoring module, a power consumption module and a matching module;
more specifically, the acquisition module is used for acquiring the working condition of the variable frequency induction heating equipment and sending the working condition to the adjusting module, wherein the working condition comprises the material sub-condition, the equipment temperature sub-condition and the environment temperature sub-condition;
the video information of the variable frequency induction heating equipment is acquired, wherein the video information can be acquired through video monitoring of a plant where the variable frequency induction heating equipment is installed, and also can be acquired through installing an industrial camera at a preset position of the variable frequency induction heating equipment, so that the acquisition path of the video information is not specifically limited, and the acquisition path of the video information can be flexibly set according to the actual situation.
In some embodiments, the video information comprises a pan inlet video of the variable frequency induction heating apparatus or a heating cavity video of the variable frequency induction heating apparatus;
the materials to be heated can be distinguished through the material inlet video or the heating cavity video, for example, the video information is identified through the convolutional neural network, and the material conditions (such as the types of the materials) are obtained.
And establishing data link with the temperature monitoring module, and acquiring the temperature sub-situation and the environment temperature sub-situation in the temperature monitoring module.
In some embodiments, the working condition matching module is used for generating material heating working conditions and sending the working conditions to the adjusting module, a plurality of reference materials can be obtained by compiling the heating condition of each material in advance, the reference materials comprise the types, the heating characteristics, the heating temperature, the heating duration and the like of the materials, the materials can be pre-classified through the reference materials, and the follow-up processing is facilitated.
In some specific embodiments, the material type in the material condition is obtained, and is matched with a preset reference material, and the heating temperature and the corresponding heating time are output;
and (3) corresponding the heating time and the heating temperature one by one to generate a material heating working condition, wherein the heating time is a time period, the heating temperature is a set of temperature values corresponding to each minimum time node in the time period, and the unit of the minimum time node is second.
In some embodiments, the temperature monitoring module is configured to monitor the temperature of the heating device in real time, and generate a device temperature sub-condition and an ambient temperature sub-condition, where since the variable frequency induction heating device controls the heating temperature by adjusting the magnitude of the input current, in some embodiments, the heating temperature may be converted by obtaining the input current of the variable frequency induction heating device, and in other embodiments, a plurality of temperature sensors may be disposed in the heating cavity of the variable frequency induction heating device, and an average temperature of the plurality of temperature sensors is obtained as the device temperature sub-condition.
Set up a plurality of temperature sensor at frequency conversion induction heating equipment's casing, the average temperature who obtains a plurality of temperature sensor is the ambient temperature sub-condition, and the temperature sensor who sets up on the casing here can select to keep away from the heating chamber setting, avoids the steam influence that the material produced when the heating.
In some embodiments, the power consumption module generates a power consumption table based on the working condition of the variable frequency induction heating equipment and the material heating working condition, and the energy consumed by the material in the corresponding time can be more visually seen through the power consumption table, so that the manual operation of an operator is facilitated.
In some embodiments, the device temperature sub-condition in the working condition is obtained, and the heating time that the device temperature is the same as the heating temperature in the material heating working condition is selected as the stage start time, where the device temperature is the heating chamber temperature of the variable frequency induction heating device, for example, the variable frequency induction heating device just completes one heating, the heating chamber temperature is C1 ℃, and the heating time that the heating temperature is the same in the heating working condition is obtained as the stage start time, so that the material does not need to undergo the heating process in the previous stage, and the energy-saving effect is achieved.
The method comprises the steps of obtaining power consumption required by heating temperature corresponding to the time from phase starting time to phase ending time, generating a power consumption table, wherein the power consumption required by the heating temperature is in one-to-one correspondence with time nodes, and the temperature of subsequent heating of materials can be conveniently referred by an operator in a one-to-one correspondence mode, so that the problem that the materials are damaged due to overlong heating time of the materials is avoided.
In some embodiments, the matching module generates a low power control policy based on the power consumption table and the ambient temperature sub-conditions, wherein the low power control policy includes a time node and a control node.
Specifically, if the difference between the ambient temperature and the heating temperature corresponding to the power consumption table is greater than the threshold, executing the control node within the stage starting time corresponding to the heating temperature;
and if the difference value between the environment temperature and the heating temperature corresponding to the power consumption table is less than or equal to the threshold value, the control node is not executed within the stage starting time corresponding to the heating temperature.
Through the setting, the heating cavity is prevented from being too large in temperature difference with the room temperature, the temperature of the material is larger than the temperature difference of the heating cavity, and the heating coil is damaged.
The variable-frequency induction heating equipment operates on the basis of time nodes and control nodes, wherein the time nodes comprise a plurality of stage starting times and stage ending times; the control node comprises all control instructions in the current time node; and establishing data link with the temperature monitoring module, and acquiring the temperature sub-situation and the environment temperature sub-situation in the temperature monitoring module.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A low-power-consumption control system of variable-frequency induction heating equipment is characterized by comprising an acquisition module, a working condition matching module, a temperature monitoring module, a power consumption module and a matching module;
the acquisition module is used for acquiring the working condition of the variable-frequency induction heating equipment and sending the working condition to the adjusting module, wherein the working condition comprises the material sub-condition, the equipment temperature sub-condition and the environment temperature sub-condition;
the working condition matching module is used for generating a material heating working condition and sending the material heating working condition to the adjusting module;
the temperature monitoring module is used for monitoring the temperature of the heating equipment in real time and generating an equipment temperature sub-condition and an environment temperature sub-condition;
the power consumption module generates a power consumption table based on the working condition of the variable frequency induction heating equipment and the material heating working condition;
the matching module generates a low-power control strategy based on the power consumption table and the ambient temperature sub-conditions, wherein the low-power control strategy comprises a time node and a control node.
2. The variable frequency induction heating device low power consumption control system of claim 1, wherein the variable frequency induction heating device operates based on time nodes and control nodes, wherein the time nodes comprise a number of phase start times and phase end times;
the control node comprises all control instructions in the current time node.
3. The system of claim 1, wherein the acquisition module is configured to obtain the operating conditions of the variable frequency induction heating device by:
acquiring video information of the variable-frequency induction heating equipment, wherein the video information comprises a feeding port video of the variable-frequency induction heating equipment or a heating cavity video of the variable-frequency induction heating equipment;
identifying the video information through a convolutional neural network to obtain the material sub-condition, wherein the material sub-condition comprises the type of the material.
4. The system of claim 3, wherein the acquisition module is configured to obtain the operating conditions of the variable frequency induction heating device further comprises:
and establishing data link with the temperature monitoring module, and acquiring the temperature sub-situation and the environment temperature sub-situation in the temperature monitoring module.
5. The system of claim 4, wherein the temperature monitoring module is configured to monitor the temperature of the heating device in real time and comprises:
arranging a plurality of temperature sensors in a heating cavity of the variable-frequency induction heating equipment, and acquiring the average temperature of the plurality of temperature sensors as the temperature sub-condition of the equipment;
a plurality of temperature sensors are arranged on a shell of the variable-frequency induction heating equipment, and the average temperature of the temperature sensors is acquired as the ambient temperature sub-condition.
6. The variable frequency induction heating device low power consumption control system of claim 1, wherein the condition matching module for generating the material heating condition comprises:
acquiring the material type in the material condition, matching the material type with a preset reference material, and outputting the heating temperature and the corresponding heating time;
and (4) corresponding the heating time and the heating temperature one by one to generate a material heating working condition.
7. The system of claim 6, wherein the power consumption module generates the power consumption table based on the operating condition of the variable frequency induction heating device and the material heating operating condition comprises:
acquiring the sub-condition of the equipment temperature in the working condition, and selecting the heating time with the same equipment temperature as the heating temperature in the material heating working condition as the stage starting time;
and acquiring power consumption required by the corresponding heating temperature from the stage starting time to the stage ending time, and generating a power consumption table, wherein the required power consumption in the power consumption table corresponds to the time nodes one by one.
8. The variable frequency induction heating device low power consumption control system of claim 7, wherein the matching module generating the low power consumption control strategy based on the power consumption table and the ambient temperature sub-conditions comprises:
if the difference value between the environment temperature and the heating temperature corresponding to the power consumption table is larger than the threshold value, executing a control node within the stage starting time corresponding to the heating temperature;
and if the difference value between the environment temperature and the heating temperature corresponding to the power consumption table is less than or equal to the threshold value, the control node is not executed within the stage starting time corresponding to the heating temperature.
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| CN202111588101.1A CN114040530B (en) | 2021-12-23 | 2021-12-23 | Low-power consumption control system of variable-frequency induction heating equipment |
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| CN202111588101.1A CN114040530B (en) | 2021-12-23 | 2021-12-23 | Low-power consumption control system of variable-frequency induction heating equipment |
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| CN114040530B CN114040530B (en) | 2024-02-23 |
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| RU2167502C1 (en) * | 2000-05-22 | 2001-05-20 | Московский энергетический институт (Технический университет) | Method and device for induction heating of metal articles |
| US20040149729A1 (en) * | 2001-06-09 | 2004-08-05 | Frank Kressmann | Method for heating liquid in an electric kettle |
| US20130037533A1 (en) * | 2011-08-12 | 2013-02-14 | Sony Corporation | Electronic device and electronic device control method |
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| WO2019196873A1 (en) * | 2018-04-11 | 2019-10-17 | 青岛海尔滚筒洗衣机有限公司 | Control method for clothes treating apparatus, and clothes treating apparatus |
| CN112161323A (en) * | 2020-09-25 | 2021-01-01 | 青岛易来智能科技股份有限公司 | Constant temperature control method and system, electric heating equipment and bathroom heater equipment |
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2021
- 2021-12-23 CN CN202111588101.1A patent/CN114040530B/en active Active
Patent Citations (8)
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| RU2167502C1 (en) * | 2000-05-22 | 2001-05-20 | Московский энергетический институт (Технический университет) | Method and device for induction heating of metal articles |
| US20040149729A1 (en) * | 2001-06-09 | 2004-08-05 | Frank Kressmann | Method for heating liquid in an electric kettle |
| US20130037533A1 (en) * | 2011-08-12 | 2013-02-14 | Sony Corporation | Electronic device and electronic device control method |
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| CN105404331A (en) * | 2014-09-10 | 2016-03-16 | 联想(北京)有限公司 | Control method and device, and electronic equipment |
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