CN114040530B - 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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- CN114040530B CN114040530B CN202111588101.1A CN202111588101A CN114040530B CN 114040530 B CN114040530 B CN 114040530B CN 202111588101 A CN202111588101 A CN 202111588101A CN 114040530 B CN114040530 B CN 114040530B
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- frequency induction
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 157
- 230000006698 induction Effects 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 238000011217 control strategy Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 239000012925 reference material Substances 0.000 claims description 6
- 238000013527 convolutional neural network Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 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
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
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 the working condition 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 adjustment module, wherein the working condition comprises a material sub-condition, an equipment temperature sub-condition and an 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 equipment temperature sub-conditions and environment temperature sub-conditions; by acquiring the equipment temperature sub-condition in the working condition and selecting the heating time with the equipment temperature being the same as the heating temperature in the material heating working condition as the stage starting time, the equipment temperature is the heating cavity temperature of the variable-frequency induction heating equipment, so that the material does not need to undergo the heating process in the earlier stage, and the energy-saving effect is achieved.
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 variable frequency induction heating equipment is characterized in that three-phase power frequency alternating current is rectified and then is changed into direct current, then the direct current is changed into adjustable current, alternating current flowing through a capacitor and an induction coil is supplied, high-density magnetic force lines are generated in the induction coil, metal materials contained in the induction coil are cut, large eddy currents are generated in the metal materials, the metal materials are not in direct contact with the induction coil, the temperature of the electrified coil is very low, but the surface of a cylinder is heated to redness or even melted, and the redness and the melting speed can be realized only by adjusting the frequency and the current intensity, so that the variable frequency induction heating equipment needs to consume a large amount of energy.
Therefore, a new design solution is needed to solve the above-mentioned problems in the prior art.
Disclosure of Invention
The invention aims to provide a low-power consumption control system of variable-frequency induction heating equipment, which solves the problems in the background art.
The invention aims to solve the problems that:
how to optimize the heating process of the materials by acquiring the temperature sub-condition of the equipment in the working condition so as to achieve the effect of energy conservation.
The aim of the invention can be achieved 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 adjustment module, wherein the working condition comprises a material sub-condition, an equipment temperature sub-condition and an 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 equipment temperature sub-conditions and environment temperature sub-conditions;
the power consumption module generates a power consumption meter 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 environmental temperature sub-condition, wherein the low-power control strategy comprises a time node and a control node.
Further, the variable frequency induction heating equipment operates based on a time node and a control node, wherein the time node comprises a plurality of stage starting time and stage ending time;
the control node comprises all control instructions in the current time node.
Further, the collecting module is used for obtaining the working condition of the variable frequency induction heating equipment, and specifically comprises the following steps:
acquiring video information of variable frequency induction heating equipment, wherein the video information comprises a feed inlet video of the variable frequency induction heating equipment or a heating cavity video of the variable frequency induction heating equipment;
and identifying the video information through a convolutional neural network to obtain material sub-conditions, wherein the material sub-conditions comprise the types of materials.
Further, the collecting module is used for obtaining the working condition of the variable frequency induction heating equipment and further comprises:
and establishing a data link with the temperature monitoring module, and acquiring a temperature sub-condition and an environment temperature sub-condition in the temperature monitoring module.
Further, the temperature monitoring module is used for monitoring the temperature of the heating equipment in real time and comprises:
setting a plurality of temperature sensors in a heating cavity of the variable-frequency induction heating equipment, and obtaining the average temperature of the plurality of temperature sensors as the equipment temperature sub-condition;
and arranging a plurality of temperature sensors on a shell of the variable-frequency induction heating equipment, and obtaining the average temperature of the plurality of temperature sensors as the environmental temperature sub-condition.
Further, the working condition matching module is configured to generate a material heating working condition including:
obtaining the material types in the material sub-condition, matching the material types with a preset reference material, and outputting a heating temperature and a corresponding heating time;
and (5) corresponding the heating time and the heating temperature one by one to generate a material heating working condition.
Further, the generating the power consumption table by the power consumption module based on the working condition of the variable frequency induction heating device and the material heating working condition includes:
acquiring a device temperature sub-condition in a working condition, and selecting a heating time with the same device temperature as the heating temperature in a material heating working condition as a stage starting time;
and obtaining the power consumption required by the heating temperature corresponding to the stage starting time to the stage ending time, and generating a power consumption table, wherein the power consumption required in the power consumption table corresponds to the time nodes one by one.
Further, the matching module generating the low power consumption control strategy based on the power consumption table and the environmental temperature sub-condition includes:
if the difference value of the heating temperature corresponding to the environment temperature and the power consumption table is larger than the threshold value, executing the control node in the stage starting time corresponding to the heating temperature;
and if the difference value between the ambient temperature and the heating temperature corresponding to the power consumption table is smaller than or equal to the threshold value, not executing the control node in the stage starting time corresponding to the heating temperature.
Compared with the prior art, the invention has the beneficial effects that:
by acquiring the equipment temperature sub-condition in the working condition and selecting the heating time with the equipment temperature being the same as the heating temperature in the material heating working condition as the stage starting time, the equipment temperature is the heating cavity temperature of the variable-frequency induction heating equipment, so that the material does not need to undergo the heating process in the earlier stage, and the energy-saving effect is achieved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, a low power consumption control system of a variable frequency induction heating apparatus is applied to the variable frequency induction heating apparatus, in some embodiments, the variable frequency induction heating apparatus rectifies three-phase power frequency alternating current into direct current, then converts the direct current into adjustable current, supplies alternating current flowing through a capacitor and an induction coil, generates high-density magnetic force lines in the induction coil, cuts metal materials contained in the induction coil, generates great eddy currents in the metal materials, the metal materials are not in direct contact with the induction coil, the temperature of the energized coil is very low, but the surface of a cylinder is heated to redness or even melt, and the redness and the melt speed can be realized only by adjusting the frequency and the current intensity.
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 adjustment module, wherein the working condition comprises a material sub-condition, an equipment temperature sub-condition and an environment temperature sub-condition;
the method comprises the steps of acquiring video information of variable frequency induction heating equipment, wherein the video information can be acquired in video monitoring of a factory building installed by the variable frequency induction heating equipment, and also can be acquired by installing an industrial camera at a preset position of the variable frequency induction heating equipment, the acquisition way of the video information is not specifically limited, and the acquisition way of the video information can be flexibly set according to actual conditions.
In some embodiments, the video information comprises a feed port video of a variable frequency induction heating apparatus or a heating cavity video of a variable frequency induction heating apparatus;
the materials to be heated can be judged through the feed port video or the heating cavity video, for example, the video information is identified through a convolutional neural network, and the material sub-condition (for example, the type of the materials) is obtained.
And establishing a data link with the temperature monitoring module, and acquiring a temperature sub-condition and an environment temperature sub-condition in the temperature monitoring module.
In some embodiments, the working condition matching module is used for generating a material heating working condition, sending the material heating working condition to the adjusting module, and compiling the heating condition of each material in advance to obtain a plurality of reference materials, wherein the reference materials comprise the types, the heating characteristics, the heating temperature, the heating duration and the like of the materials, and the materials can be pre-classified through the reference materials, so that the follow-up processing is facilitated.
In some embodiments, the material types in the material sub-conditions are obtained, and are matched with a preset reference material, and the heating temperature and the corresponding heating time are output;
and the heating time and the heating temperature are in one-to-one correspondence 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 it can be understood that the units of the minimum time nodes are seconds.
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-situation and an ambient temperature sub-situation, where, because the variable frequency induction heating device controls the heating temperature by adjusting the magnitude of the input current, in some specific 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 a 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-situation.
The shell of the variable-frequency induction heating equipment is provided with a plurality of temperature sensors, the average temperature of the plurality of temperature sensors is obtained as the ambient temperature, the temperature sensors arranged on the shell can be selectively far away from the heating cavity, and the influence of hot gas generated when materials are heated is avoided.
In some embodiments, the power consumption module generates a power consumption meter based on the working condition of the variable-frequency induction heating equipment and the material heating working condition, and the power consumption meter can be used for more intuitively seeing the energy required to be consumed by the material in corresponding time, 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 with the same device temperature as the heating temperature in the material heating working condition is selected as the stage starting time, where the device temperature is the heating cavity temperature of the variable frequency induction heating device, for example, the variable frequency induction heating device just completes one heating, the heating cavity temperature is C1 ℃, and the heating time with the same heating temperature in the heating working condition is obtained as the stage starting time, so that the material does not need to undergo the previous heating process, and the energy saving effect is achieved.
The power consumption required by the heating temperature corresponding to the period starting time to the period ending time is obtained, a power consumption table is generated, the power consumption required by the power consumption table corresponds to the time nodes one by one, and operators can conveniently reference the temperature of the subsequent heating of the materials in a one-to-one correspondence mode, so that the situation 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-condition, 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 a threshold value, executing a control node in the stage starting time corresponding to the heating temperature;
and if the difference value between the ambient temperature and the heating temperature corresponding to the power consumption table is smaller than or equal to the threshold value, not executing the control node in the stage starting time corresponding to the heating temperature.
Through above-mentioned setting, avoid heating chamber and room temperature difference too big, lead to the temperature of material to compare in heating chamber difference in temperature big, lead to heating coil damage.
The variable-frequency induction heating equipment operates based on a time node and a control node, wherein the time node comprises a plurality of stage starting time and stage ending time; the control node comprises all control instructions in the current time node; and establishing a data link with the temperature monitoring module, and acquiring a temperature sub-condition and an environment temperature sub-condition in the temperature monitoring module.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. The low-power consumption control system of the 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 adjustment module, wherein the working condition comprises a material sub-condition, an equipment temperature sub-condition and an 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, generating equipment temperature sub-conditions and environment temperature sub-conditions, wherein the temperature of the equipment is the temperature in the heating cavity, and the temperature of the shell is the environment temperature;
the power consumption module generates a power consumption meter 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-consumption control strategy based on the power consumption table and the environmental temperature sub-condition, wherein the low-power-consumption control strategy comprises a time node and a control node;
the working condition matching module is used for generating material heating working conditions and comprises the following steps:
obtaining the material types in the material sub-condition, matching the material types with a preset reference material, and outputting a heating temperature and a corresponding heating time;
the heating time and the heating temperature are in one-to-one correspondence, and a material heating working condition is generated;
the power consumption module generating a power consumption table based on the working condition of the variable frequency induction heating equipment and the material heating working condition comprises:
acquiring a device temperature sub-condition in a working condition, and selecting a heating time with the same device temperature as the heating temperature in a material heating working condition as a stage starting time;
acquiring power consumption required by heating temperature corresponding to the period from the period starting time to the period ending time, and generating a power consumption table, wherein the power consumption required in the power consumption table corresponds to the time nodes one by one;
the matching module generating a low power consumption control strategy based on the power consumption table and the environmental temperature sub-condition comprises:
if the difference value of the heating temperature corresponding to the environment temperature and the power consumption table is larger than the threshold value, executing the control node in the stage starting time corresponding to the heating temperature;
and if the difference value between the ambient temperature and the heating temperature corresponding to the power consumption table is smaller than or equal to the threshold value, not executing the control node in the stage starting time corresponding to the heating temperature.
2. The variable frequency induction heating apparatus low power consumption control system of claim 1, wherein the variable frequency induction heating apparatus operates based on a time node and a control node, wherein the time node comprises a number of phase start times and phase end times;
the control node comprises all control instructions in the current time node.
3. The low power consumption control system of a variable frequency induction heating apparatus according to claim 1, wherein the acquisition module is configured to acquire the working condition of the variable frequency induction heating apparatus specifically:
acquiring video information of variable frequency induction heating equipment, wherein the video information comprises a feed inlet video of the variable frequency induction heating equipment or a heating cavity video of the variable frequency induction heating equipment;
and identifying the video information through a convolutional neural network to obtain material sub-conditions, wherein the material sub-conditions comprise the types of materials.
4. A variable frequency induction heating apparatus low power consumption control system according to claim 3, wherein the acquisition module is configured to acquire the operating condition of the variable frequency induction heating apparatus further comprises:
and establishing a data link with the temperature monitoring module, and acquiring a temperature sub-condition and an environment temperature sub-condition in the temperature monitoring module.
5. The variable frequency induction heating apparatus low power consumption control system of claim 4, wherein the temperature monitoring module for monitoring the temperature of the heating apparatus in real time comprises:
setting a plurality of temperature sensors in a heating cavity of the variable-frequency induction heating equipment, and obtaining the average temperature of the plurality of temperature sensors as the equipment temperature sub-condition;
and arranging a plurality of temperature sensors on a shell of the variable-frequency induction heating equipment, and obtaining the average temperature of the plurality of temperature sensors as the environmental temperature sub-condition.
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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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| CN114040530A CN114040530A (en) | 2022-02-11 |
| CN114040530B true 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 |
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| CN212591385U (en) * | 2020-05-26 | 2021-02-26 | 惠达卫浴股份有限公司 | Defogging system for appointment control of mirror surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6818867B2 (en) * | 2001-06-09 | 2004-11-16 | Braun Gmbh | Method for heating liquid in an electric kettle |
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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 |
| CN103941770A (en) * | 2014-04-17 | 2014-07-23 | 陈刚 | Energy-saving wireless intelligent controlled temperature control system and resistance heating element |
| CN105404331A (en) * | 2014-09-10 | 2016-03-16 | 联想(北京)有限公司 | Control method and device, and electronic equipment |
| 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 |
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| CN114040530A (en) | 2022-02-11 |
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