CN115413076A - Heating system and method of intelligent heating equipment - Google Patents
Heating system and method of intelligent heating equipment Download PDFInfo
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- CN115413076A CN115413076A CN202211074567.4A CN202211074567A CN115413076A CN 115413076 A CN115413076 A CN 115413076A CN 202211074567 A CN202211074567 A CN 202211074567A CN 115413076 A CN115413076 A CN 115413076A
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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
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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
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Abstract
The embodiment of the invention discloses a heating system and a heating method of intelligent heating equipment, and relates to the technical field of intelligent control. The system, comprising: the heating conductor is in a flat plate shape with fixed thickness; the plurality of electrified coils are uniformly arranged below the heating conductor; the alternating current source is electrically connected with the electrified coil and used for supplying power to the electrified coil; and the controller is connected with the alternating current source and is used for controlling the frequency of the alternating current provided by the alternating current source to the electrified coil so as to enable the electrified coil to generate an alternating magnetic field with the direction constantly changed, and therefore the heating conductor in the alternating magnetic field generates vortex current to generate heat. The invention can effectively make the heating conductor generate heat uniformly.
Description
Technical Field
The invention belongs to the technical field of intelligent control, and particularly relates to a heating system and a heating method of intelligent heating equipment.
Background
The current heating device adopts alternating current to generate an alternating magnetic field with a direction changing continuously through a single coil (namely an electrified coil), vortex current can appear inside a conductor (generally an iron plate) in the alternating magnetic field to generate heat, and the electrified coil is generally arranged at the center of the heated iron plate. But because the inside material of iron plate and thickness often can have inhomogeneous condition to can lead to being heated the heat of iron plate and carry out inhomogeneous the dispersing from the centre, further can lead to some of iron plate to heat to the use temperature first, and other part can not reach the use temperature, makes the heating of iron plate inhomogeneous, thereby influences user's use experience.
Disclosure of Invention
In view of this, embodiments of the present invention provide a heating system and method for an intelligent heating device, so as to solve the problem that the use experience is affected due to uneven heating of the existing heating device. The invention respectively controls the frequency of the alternating current of the plurality of electrified coils below the heating conductor, so that the heating conductor can uniformly generate heat, thereby effectively prolonging the service life of equipment and improving the use experience of a user.
In a first aspect, an embodiment of the present invention provides a heating system of an intelligent heating device, including:
the heating conductor is in a flat plate shape with fixed thickness;
the plurality of electrified coils are uniformly arranged below the heating conductor;
the alternating current source is electrically connected with the electrified coil and used for supplying power to the electrified coil;
and the controller is connected with the alternating current source and is used for controlling the frequency of the alternating current provided by the alternating current source to the electrified coil so as to enable the electrified coil to generate an alternating magnetic field with the direction constantly changed, and therefore the eddy current appears in the heating conductor in the alternating magnetic field to generate heat.
In an optional embodiment, the heating system of the intelligent heating device further includes:
the temperature sensors are uniformly arranged on the side surface of the heating conductor at intervals and are used for collecting the temperature of a circle of collecting points on the side surface of the heating conductor;
the controller is further configured to determine, according to the temperature value acquired by the temperature sensor, a frequency of the alternating current provided by the alternating current source to each of the energized coils.
In an alternative embodiment, the heating conductor is in the shape of a rectangular flat plate, and the plurality of electric coils are arranged in an electric coil matrix below the heating conductor.
In an optional embodiment, the electrified coil matrix is divided into a first electrified coil area, a second electrified coil area, a third electrified coil area and a fourth electrified coil area which respectively correspond to 4 side surfaces of the heating conductor according to two diagonal lines of a bottom surface rectangle of the heating conductor;
the controller is specifically configured to determine a weighted average temperature value of each side surface of the heating conductor according to the temperature value acquired by the temperature sensor, determine whether the heating conductor is unevenly heated according to the weighted average temperature value of each side surface of the heating conductor, and control the frequency of the alternating current of the electrical coil in each electrical coil area according to the weighted average temperature value of each side surface of the heating conductor if the heating conductor is unevenly heated.
In an optional embodiment, the controller is specifically configured to calculate a weighted average temperature value of each side surface of the heating conductor according to a first formula, calculate a determination value of uneven heating of the heating conductor according to a second formula, determine that the heating conductor is unevenly heated when the determination value of uneven heating of the heating conductor is equal to 1, then determine a frequency of an alternating current to be controlled of the current-carrying coil in each current-carrying coil region according to a third formula, and control the frequency of the alternating current of the current-carrying coil in each current-carrying coil region to be updated from a current frequency of the alternating current to a corresponding frequency of the alternating current to be controlled;
wherein the first formula is:
in the first formula, D (a) represents a weighted average temperature value of the a-th side of the heating conductor; q (a _ i) represents the value collected by the ith temperature sensor arranged on the a side surface of the heating conductor; l (a _ i) represents a distance value of an ith temperature sensor mounted on the a-th side surface of the heating conductor from the center position of the corresponding energized coil region of the a-th side surface; n (a) represents the number of temperature sensors mounted on the a-th side surface of the heating conductor;
the second formula is:
in the second formula, E represents a judgment value of uneven heating of the heating conductor; d (1) represents a weighted average temperature value of the 1 st side of the heating conductor; d (4) represents a weighted average temperature value of the 4 th side of the heating conductor; b represents an integer variable, b =1,2,3; delta Q 0 Representing a preset uniform temperature fluctuation value;
the third formula is:
in the third formula, f (a) represents the frequency of the alternating current to be controlled of the electrified coil in the electrified coil area corresponding to the a-th side surface of the heating conductor; f. of 0 (a) Representing the frequency of the current alternating current of the electrified coil in the area of the electrified coil corresponding to the a-th side surface of the heating conductor; d 0 The unit temperature value is expressed, the value of the unit temperature value is 1, and the unit is consistent with the unit of the temperature value collected by the temperature sensor.
In an alternative embodiment, the heating conductor material is iron.
In a second aspect, an embodiment of the present invention provides a heating method for an intelligent heating device, including:
controlling the frequency of alternating current of a plurality of electrified coils uniformly arranged below the heating conductor so as to enable the electrified coils to generate an alternating magnetic field with continuously changed direction, and thus, vortex current appears in the heating conductor in the alternating magnetic field to generate heat; wherein the heating conductor is in a shape of a flat plate with a fixed thickness.
In an alternative embodiment, before the controlling the frequency of the alternating current of the plurality of the electrified coils uniformly arranged below the heating conductor, the method further comprises:
collecting the temperature of each collecting point on the side of the heating conductor in a circle;
control evenly sets up the frequency of the alternating current of a plurality of electrified coil below the heating conductor, include:
and determining the frequency of the alternating current to be controlled required by each electrified coil according to the temperature value of each acquisition point on the side of the heating conductor in a circle, and performing corresponding control.
In an optional embodiment, when the heating conductor is in a rectangular flat plate shape, the plurality of electrified coils are arranged in advance below the heating conductor to form an electrified coil matrix, and the electrified coil matrix is divided into a first electrified coil area, a second electrified coil area, a third electrified coil area and a fourth electrified coil area which respectively correspond to 4 side surfaces of the heating conductor according to two diagonal lines of the bottom surface rectangle of the heating conductor;
the method for determining the frequency of the alternating current to be controlled required by each electrified coil according to the temperature value of each acquisition point on the side of the heating conductor comprises the following steps of:
calculating a weighted average temperature value of each side surface of the heating conductor based on a first formula according to the temperature values of each acquisition point on the side surface of the heating conductor in a circle;
calculating a judgment value of uneven heating of the heating conductor based on a second formula according to the weighted average temperature value of each side surface of the heating conductor;
judging whether the judging value of the uneven heating of the heating conductor is equal to 1 or not;
if the judging value of the uneven heating of the heating conductor is equal to 1, determining that the heating conductor is uneven in heating, and determining the frequency of alternating current to be controlled of the electrified coil in each electrified coil area according to a third formula;
controlling the frequency of the alternating current of the electrified coil in each electrified coil area to be updated from the current frequency of the alternating current to the frequency of the corresponding alternating current to be controlled;
wherein the first formula is:
in the first formula, D (a) represents a weighted average temperature value of the a-th side of the heating conductor; q (a _ i) represents the value collected by the ith temperature sensor arranged on the a side surface of the heating conductor; l (a _ i) represents a distance value of an ith temperature sensor mounted on the a-th side surface of the heating conductor from the center position of the corresponding energized coil region of the a-th side surface; n (a) represents the number of temperature sensors mounted on the a-th side of the heating conductor;
the second formula is:
in the second formula, E represents a judgment value of uneven heating of the heating conductor; d (1) represents a weighted average temperature value of the 1 st side of the heating conductor; d (4) represents a weighted average temperature value of the 4 th side of the heating conductor; b represents an integer variable, b =1,2,3; delta Q 0 Representing a preset uniform temperature fluctuation value;
the third formula is:
in the third formula, f (a) represents the frequency of the alternating current to be controlled of the electrified coil in the electrified coil area corresponding to the a-th side surface of the heating conductor; f. of 0 (a) Representing the frequency of the current alternating current of the electrified coil in the area of the electrified coil corresponding to the a-th side of the heating conductor; d 0 The unit temperature value is expressed, the value of the unit temperature value is 1, and the unit is consistent with the unit of the temperature value collected by the temperature sensor.
According to the heating system and the method of the intelligent heating equipment, provided by the invention, firstly, a plurality of electrified coils are uniformly arranged below a heating conductor, and then a controller is used for controlling the frequency of alternating current supplied to the electrified coils by an alternating current source so as to enable the electrified coils to generate an alternating magnetic field with the direction changing constantly, so that vortex current appears in the heating conductor in the alternating magnetic field to generate heat. According to the invention, the frequencies of the alternating currents of the plurality of electrified coils below the heating conductor are respectively controlled, so that the heating conductor can uniformly generate heat, thereby effectively prolonging the service life of the equipment and improving the use experience of a user.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a heating system of an intelligent heating apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of the area division of the electrical coil matrix below the heating conductor 1.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a heating system of an intelligent heating device according to an embodiment of the present invention.
Referring to fig. 1, the system includes:
a heating conductor 1, wherein the heating conductor 1 is in a flat plate shape with fixed thickness; preferably, the heating conductor material is iron;
in the embodiment, because the iron is widely distributed in life and occupies 4.75 percent of the shell, the system has the advantages of low price and high content, so that the system has the advantage of low implementation cost.
A plurality of electrified coils 2 uniformly arranged below the heating conductor 1;
the alternating current source 3 is electrically connected with the electrified coil 2 and used for supplying power to the electrified coil 2;
and the controller 4 is connected with the alternating current source 3 and is used for controlling the frequency of the alternating current provided by the alternating current source 3 to the electrified coil 2 so as to enable the electrified coil 2 to generate an alternating magnetic field with continuously changed direction, and therefore, the eddy current appears in the heating conductor 1 in the alternating magnetic field to generate heat.
The beneficial effects of the above technical scheme are: the system is characterized in that a plurality of electrified coils are uniformly arranged below a heating conductor, and then a controller is used for controlling the frequency of alternating current provided by an alternating current source to the electrified coils so as to enable the electrified coils to generate an alternating magnetic field with continuously changed direction, so that vortex current appears in the heating conductor in the alternating magnetic field to generate heat. The invention can respectively control the frequency of alternating current of a plurality of electrified coils below the heating conductor, so that the heating conductor can uniformly generate heat, thereby effectively prolonging the service life of equipment and improving the use experience of a user.
As an optional embodiment, the heating system of the intelligent heating device further includes:
the temperature sensors are uniformly arranged on the side surface of the heating conductor 1 at intervals and are used for collecting the temperature of each circle of collecting points on the side surface of the heating conductor 1;
the controller 4 is further configured to determine, according to the temperature value acquired by the temperature sensor, a frequency of the alternating current provided by the alternating current source 3 to each of the energized coils 2.
The beneficial effects of the above technical scheme are: the temperature of each preset acquisition point on the side of the heating conductor in a circle is acquired through the plurality of temperature sensors, so that the frequency of alternating current provided by the alternating current source to each electrified coil is determined according to the temperature value, and the heating conductor generates heat uniformly.
As an alternative embodiment, the heating conductor 1 is in the shape of a rectangular flat plate, and the plurality of electric coils 2 are arranged in an electric coil matrix below the heating conductor 1.
The beneficial effects of the above technical scheme are: the heating conductor is in a rectangular flat plate shape, and the plurality of electrified coils below the heating conductor are also arranged into an electrified coil matrix, so that the heating conductor is conveniently arranged in the alternating magnetic field, the electric energy is effectively saved, and the service efficiency of system resources is improved.
As an alternative embodiment, as shown in fig. 2, the electrified coil matrix is divided into a first electrified coil area 11, a second electrified coil area 12, a third electrified coil area 13 and a fourth electrified coil area 14 corresponding to 4 side surfaces of the heating conductor 1 respectively according to two diagonal lines of the bottom surface rectangle of the heating conductor 1;
the controller 4 is specifically configured to determine a weighted average temperature value of each side surface of the heating conductor 1 according to the temperature value acquired by the temperature sensor, determine whether the heating conductor 1 is heated unevenly according to the weighted average temperature value of each side surface of the heating conductor 1, and control the frequency of the alternating current of the electrical coil 2 in each electrical coil area according to the weighted average temperature value of each side surface of the heating conductor 1 if the heating conductor 1 is heated unevenly.
The beneficial effects of the above technical scheme are: according to the temperature values collected by the temperature sensor, firstly, the weighted average temperature value of each side surface of the heating conductor is determined, then whether the heating conductor is heated unevenly or not is judged according to the weighted average temperature value, if so, the frequency of the alternating current of the electrified coil in each electrified coil area is controlled, and the uniform heating of the heating conductor is dynamically adjusted.
As an optional embodiment, the controller 4 is specifically configured to calculate a weighted average temperature value of each side surface of the heating conductor 1 according to a first formula, calculate a determination value of uneven heating of the heating conductor according to a second formula, determine that the heating conductor 1 is unevenly heated when the determination value of uneven heating of the heating conductor is equal to 1, then determine the frequency of the alternating current to be controlled of the electrical coil 2 in each electrical coil area according to a third formula, and control the frequency of the alternating current of the electrical coil 2 in each electrical coil area to be updated from the current frequency of the alternating current to the corresponding frequency of the alternating current to be controlled;
wherein the first formula is:
in the first formula, D (a) represents a weighted average temperature value of the a-th side of the heating conductor; q (a _ i) represents the value collected by the ith temperature sensor arranged on the a side surface of the heating conductor; l (a _ i) represents a distance value of an ith temperature sensor mounted on the a-th side surface of the heating conductor from the center position of the corresponding energized coil region of the a-th side surface; n (a) represents the number of temperature sensors mounted on the a-th side surface of the heating conductor;
the second formula is:
in the second formula, E represents a judgment value of uneven heating of the heating conductor; d (1) represents a weighted average temperature value of the 1 st side of the heating conductor; d (4) represents a weighted average temperature value of the 4 th side of the heating conductor; b represents an integer variable, b =1,2,3; delta Q 0 Representing a preset uniform temperature fluctuation value; wherein, if E =0, it indicates that the conductor (generally, iron plate) in the alternating magnetic field has no uneven heating phenomenon; when E =1, it indicates that the conductor (generally, an iron plate) in the alternating magnetic field has uneven heating.
The third formula is:
in the third formula, f (a) represents the second of the heating conductorsThe frequency of the alternating current to be controlled of the electrified coil in the electrified coil area corresponding to the a side surfaces; f. of 0 (a) Representing the frequency of the current alternating current of the electrified coil in the area of the electrified coil corresponding to the a-th side surface of the heating conductor; d 0 The unit temperature value is expressed, the value of the unit temperature value is 1, and the unit is consistent with the unit of the temperature value collected by the temperature sensor.
The beneficial effects of the above technical scheme are: obtaining a weighted average temperature value of each side surface of the heating conductor (namely the iron plate) according to the value acquired by the temperature sensor by using a first formula (1), so that the approximately balanced temperature of each side surface of the iron plate is known, and subsequent adjustment and control are facilitated; then, a second formula (2) is utilized to judge whether the heating conductor in the alternating magnetic field has the phenomenon of uneven heating according to the weighted average temperature value of each side surface of the heating conductor, so that different controls are automatically carried out according to different phenomena, and the intellectualization of the system is reflected; and finally, controlling the alternating current frequency of each part of the electrified coils in the four parts of the electrified coil matrix according to the weighted average temperature value of each side surface of the heating conductor by using a third formula (3), thereby intelligently controlling the temperature and ensuring the balance of the temperature.
As can be seen from the above description of the embodiments, a plurality of current-carrying coils are installed below the heating conductor (generally, an iron plate) to form a current-carrying coil matrix, and the current-carrying coil matrix can independently control the current, a circle of temperature sensors are installed around the side surfaces of the iron plate, a weighted average temperature value of each side surface of the iron plate is obtained according to a value collected by the temperature sensors, and the frequency of the alternating current in the current-carrying coil matrix is controlled according to the weighted average temperature value of each side surface of the iron plate, so as to intelligently achieve the effect of dynamically making the heating conductor emit stable temperature.
The embodiment of the invention also provides a heating method of the intelligent heating equipment, which comprises the following steps: controlling the frequency of alternating current of a plurality of electrified coils uniformly arranged below the heating conductor so as to enable the electrified coils to generate an alternating magnetic field with continuously changed direction, and thus, vortex current appears in the heating conductor in the alternating magnetic field to generate heat; wherein the heating conductor is in a shape of a flat plate with a fixed thickness.
As an alternative embodiment, before the controlling the frequency of the alternating current of the plurality of the electrified coils uniformly arranged below the heating conductor, the method further comprises the following steps: collecting the temperature of each collecting point on the side of the heating conductor in a circle;
control evenly sets up the frequency of the alternating current of a plurality of electrified coil below the heating conductor, include: and determining the frequency of the alternating current to be controlled required by each electrified coil according to the temperature value of each acquisition point on the side of the heating conductor in a circle, and performing corresponding control.
As an optional embodiment, when the heating conductor is in a rectangular flat plate shape, the plurality of electric coils are arranged in advance below the heating conductor to form an electric coil matrix, and the electric coil matrix is divided into a first electric coil area, a second electric coil area, a third electric coil area and a fourth electric coil area, which correspond to 4 side surfaces of the heating conductor respectively, according to two diagonal lines of the rectangular bottom surface of the heating conductor in advance;
determining the frequency of alternating current to be controlled required by each electrified coil according to the temperature value of each acquisition point on the side of the heating conductor in a circle and performing corresponding control, wherein the method comprises the following steps of A10-A50:
step A10: calculating a weighted average temperature value of each side surface of the heating conductor based on the first formula according to the temperature values of each acquisition point on the side surface of the heating conductor in a circle;
step A20: calculating a judgment value of uneven heating of the heating conductor based on the second formula according to the weighted average temperature value of each side surface of the heating conductor;
step A30: judging whether the judging value of the uneven heating of the heating conductor is equal to 1 or not; if yes, executing step A40;
step A40: determining that the heating conductor is not uniformly heated, and determining the frequency of the alternating current to be controlled of the electrified coil in each electrified coil area according to the third formula;
step A50: the frequency of the alternating current controlling the live coils in each live coil area is updated from the frequency of the present alternating current to the frequency of the corresponding alternating current to be controlled.
The beneficial effects of the above technical scheme are: obtaining a weighted average temperature value of each side surface of the heating conductor by using a first formula (1), so that the approximately balanced temperature of each side surface of the heating conductor is known, and subsequent adjustment and control are facilitated; then, a second formula (2) is utilized to judge whether the heating conductor in the alternating magnetic field has the phenomenon of uneven heating according to the weighted average temperature value of each side surface of the heating conductor, so that different controls are automatically carried out according to different phenomena, and the intellectualization of the system is reflected; and finally, controlling the alternating current frequency of each part of the electrified coils in the four parts of the electrified coil matrix according to the weighted average temperature value of each side surface of the heating conductor by using a third formula (3), thereby intelligently controlling the temperature and ensuring the balance of the temperature.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the methods specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the method specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the methods specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations. The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A heating system of an intelligent heating device, comprising:
the heating conductor is in a flat plate shape with fixed thickness;
the plurality of electrified coils are uniformly arranged below the heating conductor;
the alternating current source is electrically connected with the electrified coil and used for supplying power to the electrified coil;
and the controller is connected with the alternating current source and is used for controlling the frequency of the alternating current provided by the alternating current source to the electrified coil so as to enable the electrified coil to generate an alternating magnetic field with the direction constantly changed, and therefore the eddy current appears in the heating conductor in the alternating magnetic field to generate heat.
2. The heating system of the intelligent heating apparatus of claim 1, further comprising:
the temperature sensors are uniformly arranged on the side surface of the heating conductor at intervals and are used for acquiring the temperature of a circle of each acquisition point on the side surface of the heating conductor;
the controller is further configured to determine, according to the temperature value acquired by the temperature sensor, a frequency of the alternating current provided by the alternating current source to each of the energized coils.
3. The heating system of intelligent heating equipment of claim 2, wherein the heating conductor is in the shape of a rectangular flat plate, and the plurality of live coils are arranged in a live coil matrix below the heating conductor.
4. The heating system of the intelligent heating device according to claim 3, wherein the electrified coil matrix is divided into a first electrified coil area, a second electrified coil area, a third electrified coil area and a fourth electrified coil area corresponding to 4 sides of the heating conductor respectively according to two diagonal lines of the bottom surface rectangle of the heating conductor;
the controller is specifically configured to determine a weighted average temperature value of each side surface of the heating conductor according to the temperature value acquired by the temperature sensor, determine whether the heating conductor is unevenly heated according to the weighted average temperature value of each side surface of the heating conductor, and control the frequency of the alternating current of the electrical coil in each electrical coil area according to the weighted average temperature value of each side surface of the heating conductor if the heating conductor is unevenly heated.
5. The heating system of an intelligent heating apparatus according to claim 4, wherein the controller is specifically configured to calculate a weighted average temperature value for each side of the heating conductor according to a first formula, calculate a judgment value of the heating conductor heating unevenness according to a second formula, determine that the heating conductor is heating unevenness when the judgment value of the heating conductor heating unevenness is equal to 1, then determine the frequency of the alternating current to be controlled of the current-carrying coil in each current-carrying coil region according to a third formula, and control the frequency of the alternating current of the current-carrying coil in each current-carrying coil region to be updated from the current frequency of the alternating current to the corresponding frequency of the alternating current to be controlled;
wherein the first formula is:
in the first formula, D (a) represents a weighted average temperature value of the a-th side of the heating conductor; q (a _ i) represents the value collected by the ith temperature sensor arranged on the a side surface of the heating conductor; l (a _ i) represents a distance value of an ith temperature sensor arranged on the a-th side surface of the heating conductor from the central position of the corresponding energizing coil area of the a-th side surface; n (a) represents the number of temperature sensors mounted on the a-th side of the heating conductor;
the second formula is:
in the second formula, E represents a judgment value of uneven heating of the heating conductor; d (1) represents a weighted average temperature value of the 1 st side of the heating conductor; d (4) represents a weighted average temperature value of the 4 th side of the heating conductor; b represents an integer variable, b =1,2,3; delta Q 0 Representing a preset uniform temperature fluctuation value;
the third formula is:
in the third formula, f (a) represents the alternation to be controlled of the current coil in the current coil region corresponding to the a-th side surface of the heating conductorThe frequency of the current; f. of 0 (a) Representing the frequency of the current alternating current of the electrified coil in the area of the electrified coil corresponding to the a-th side surface of the heating conductor; d 0 The unit temperature value is expressed, the value of the unit temperature value is 1, and the unit is consistent with the unit of the temperature value collected by the temperature sensor.
6. The heating system of the intelligent heating equipment according to any one of claims 1 to 5, wherein the heating conductor material is iron.
7. A heating method of an intelligent heating device is characterized by comprising the following steps:
controlling the frequency of alternating current of a plurality of electrified coils uniformly arranged below the heating conductor so as to enable the electrified coils to generate an alternating magnetic field with continuously changed direction, and thus, vortex current appears in the heating conductor in the alternating magnetic field to generate heat; wherein the heating conductor is in a shape of a flat plate with a fixed thickness.
8. The heating method of the intelligent heating device according to claim 7, further comprising, before the controlling the frequency of the alternating current of the plurality of energized coils uniformly disposed below the heating conductor:
collecting the temperature of each collecting point on the side of the heating conductor in a circle;
control evenly sets up the frequency of the alternating current of a plurality of electrified coil below the heating conductor, include:
and determining the frequency of the alternating current to be controlled required by each electrified coil according to the temperature value of each acquisition point on the side of the heating conductor in one circle and performing corresponding control.
9. The heating method of an intelligent heating apparatus according to claim 8, wherein when the heating conductor is in a rectangular flat plate shape, the plurality of energized coils are arranged in advance in an energized coil matrix below the heating conductor, and the energized coil matrix is divided in advance into a first energized coil region, a second energized coil region, a third energized coil region and a fourth energized coil region corresponding to 4 sides of the heating conductor, respectively, according to two diagonal lines of a bottom surface rectangle of the heating conductor;
the method for determining the frequency of the alternating current to be controlled required by each electrified coil according to the temperature value of each acquisition point on the side of the heating conductor comprises the following steps of:
calculating a weighted average temperature value of each side surface of the heating conductor based on a first formula according to the temperature values of each acquisition point on the side surface of the heating conductor in a circle;
calculating a judgment value of uneven heating of the heating conductor based on a second formula according to the weighted average temperature value of each side surface of the heating conductor;
judging whether the judging value of the uneven heating of the heating conductor is equal to 1 or not;
if the judging value of the uneven heating of the heating conductor is equal to 1, determining that the heating conductor is uneven in heating, and determining the frequency of alternating current to be controlled of the electrified coil in each electrified coil area according to a third formula;
controlling the frequency of the alternating current of the electrified coil in each electrified coil area to be updated from the current frequency of the alternating current to the corresponding frequency of the alternating current to be controlled;
wherein the first formula is:
in the first formula, D (a) represents a weighted average temperature value of the a-th side of the heating conductor; q (a _ i) represents the value collected by the ith temperature sensor arranged on the a side surface of the heating conductor; l (a _ i) represents a distance value of an ith temperature sensor mounted on the a-th side surface of the heating conductor from the center position of the corresponding energized coil region of the a-th side surface; n (a) represents the number of temperature sensors mounted on the a-th side of the heating conductor;
the second formula is:
in the second formula, E represents a judgment value of uneven heating of the heating conductor; d (1) represents a weighted average temperature value of the 1 st side of the heating conductor; d (4) represents a weighted average temperature value of the 4 th side of the heating conductor; b represents an integer variable, b =1,2,3; delta Q 0 Representing a preset uniform temperature fluctuation value;
the third formula is:
in the third formula, f (a) represents the frequency of the alternating current to be controlled of the electrified coil in the electrified coil area corresponding to the a-th side surface of the heating conductor; f. of 0 (a) Representing the frequency of the current alternating current of the electrified coil in the area of the electrified coil corresponding to the a-th side surface of the heating conductor; d 0 The unit temperature value is expressed, the value of the unit temperature value is 1, and the unit is consistent with the unit of the temperature value collected by the temperature sensor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116354525A (en) * | 2023-04-24 | 2023-06-30 | 江苏博凌环境科技有限公司 | Ecological intermittent aeration device for treating wastewater and use method |
| CN116354525B (en) * | 2023-04-24 | 2023-12-15 | 江苏博凌环境科技有限公司 | Ecological intermittent aeration device for treating wastewater and use method |
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