CN213960356U - Heating body and heating device - Google Patents

Abstract

The utility model discloses a heat-generating body and device that generates heat relates to the electromagnetism field of generating heat, and the heat-generating body includes the base, is provided with the metallic object, receiver and first controller in the base, and first controller is connected with the receiver electricity, and the receiver is used for receiving magnetic field signal and produces induced-current for the power supply of first controller, sends communication signal through the receiver after the power supply of first controller, and the metallic object is used for responding to alternating magnetic field and generates heat. The utility model discloses a heat-generating body can be through setting up communication connection between heat-generating body and heating seat for good discernment ability and suitability have between heat-generating body and the heating seat.

Description

Heating body and heating device

Technical Field

The utility model relates to an electromagnetism field of generating heat particularly, relates to a heat-generating body and device that generates heat.

Background

Electromagnetic induction heating, i.e. electromagnetic heating technology, is an energy conversion mode of converting electric energy into heat energy by using the principle of electromagnetic induction, and is characterized by that it utilizes a rectification circuit to convert 50 or 60 Hz alternating voltage into direct voltage, and utilizes a power control circuit to convert the direct voltage into high-frequency voltage whose frequency is 20-40 kHz, when the high-speed changing alternating current is passed through the coil, the coil can produce high-speed changing alternating magnetic field, and when the ferromagnetic conductor placed in the magnetic field is not moved, and the magnetic field is changed with time, the current carrier in the ferromagnetic conductor can be moved under the action of vortex electric field to form current, said current is vortex-shaped, also called eddy current. Because the resistance of the ferromagnetic conductor is very small, the magnetic field generates strong eddy current in the ferromagnetic conductor, the eddy current generates a large amount of joule heat, and the temperature of the ferromagnetic conductor is rapidly increased, so that the heating purpose is achieved.

At present, the heater using the electromagnetic eddy current heat effect has the advantages that the cup body and the base body are separated from each other and are not connected, so that the problem of adaptability in the using process between the cup body and the base body exists, the cup body is placed on the base body to be not heated when the cup body and the base body are not accurately identified, or other metals are identified by the base body to be heated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vortex fuel factor heating device, it can be through setting up communication connection between heat-generating body and heating seat for good discernment ability and suitability have between heat-generating body and the heating seat.

The utility model provides a heat-generating body, including the base, be provided with the metallic object, receiver and first controller in the base, first controller is connected with the receiver electricity, and the receiver is used for receiving magnetic field signal and produces induced-current for the power supply of first controller, sends communication signal through the receiver after the power supply of first controller, and the metallic object is used for responding alternating magnetic field and generates heat.

Optionally, as an implementable mode, a temperature sensor is further disposed on the base, the temperature sensor is electrically connected to the first controller, and the temperature sensor is configured to detect a temperature of the base and transmit the temperature to the first controller.

Optionally, as an implementable manner, the receiver is a first coil.

Optionally, as an implementable mode, the outer edge of the base is further provided with an annular cylinder in an extending manner, and the base and the annular cylinder enclose to form an accommodating cavity.

Optionally, as an implementable mode, the periphery of the annular cylinder is further provided with a heat insulation layer.

The utility model also provides a heating device, including foretell heat-generating body to and the heating seat, the heat-generating body is disposed on the heating seat, is used for responding magnetic field signal or alternating magnetic field work that the heating seat sent.

Optionally, as an implementable manner, a second coil and a second controller are arranged in the heating seat, the second controller is electrically connected with the second coil, the second coil is used for receiving the communication signal of the receiver and transmitting the communication signal to the second controller, and the second controller judges the matching relationship between the first controller and the second controller according to the communication signal and controls the second coil to send out an alternating magnetic field under the matching condition.

Optionally, as an implementable manner, the second controller is further connected to a timer, and the second controller controls the second coil to send out the magnetic field signal at a preset frequency according to a time signal recorded by the timer.

Optionally, as an implementable manner, a temperature sensor is further disposed on the base of the heating element, the temperature sensor is electrically connected to the first controller, and the first controller is further configured to control the first coil to send a control signal to the second coil to control the alternating magnetic field when a temperature signal of the temperature sensor exceeds a preset threshold.

The utility model discloses beneficial effect includes:

the utility model provides a heat-generating body, including the base, be provided with the metallic object, receiver and first controller in the base, first controller is connected with the receiver electricity, and the receiver is used for receiving magnetic field signal and produces induced-current for the power supply of first controller, passes through behind the first controller power supply the receiver sends communication signal, and the metallic object is used for responding alternating magnetic field and generates heat. When the heat-generating body needs to heat, the receiver receives the magnetic field signal and produces induced-current and supply power for first controller, send communication signal through the receiver after the first controller supplies power, communication signal is used for judging the matching relation of first controller and second controller, if match, then the metal body responds alternating magnetic field, if not match, do not do the action, adopt communication connection between heat-generating body and heating seat like this, make the heat-generating body can have good discernment ability with magnetic field signal, better suitability has, and because this receiver and first controller are only used for received signal and control, simple small and exquisite that can set up, so both can practice thrift the cost, save space, also can improve the heating power of heat-generating body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an internal structure of a base according to an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of the base provided with the temperature sensor according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a heat generating device according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a heating seat according to an embodiment of the present invention.

Icon: 100-a heat generating device; 110-a base; 111-a metal body; 112-a receiver; 1121 — a first coil; 113-a first controller; 114-a temperature sensor; 120-a heating seat; 121-a second controller; 122-a second coil; 123-a timer; 130-ring cylinder; 131-insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The heater of current electromagnetic eddy current heat effect, cup and pedestal alternate segregation and do not be connected, lead to the adaptation nature in the use problem between the two, when discernment between the two is inaccurate, will have the phenomenon that the cup placed on the pedestal and does not heat, perhaps the pedestal discerns into the phenomenon that the heating member that will heat starts the heating with other objects. In order to avoid the phenomenon that the above-mentioned unidentified or wrong discernment takes place, the utility model provides a heating element, as shown in fig. 1, the heating element includes base 110, be provided with metal body 111 in base 110, receiver 112 and first controller 113, first controller 113 is connected with receiver 112 electricity, receiver 112 is used for receiving magnetic field signal and produces induced-current and supplies power for first controller 113, send communication signal through receiver 112 after first controller 113 supplies power, metal body 111 is used for responding alternating magnetic field and generates heat. In an example, the heat generating device 100 further includes a heating base 120, a second controller 121 is disposed on the heating base 120, the heating base 120 is disposed separately from the heating element, when heating is required, the heating element is disposed on the heating base 120, a first controller 113 disposed in the heating element base 110 and a second controller 121 disposed in the heating base 120 have a matching relationship of communication signals, the second controller 121 controls to send out a magnetic field signal, when the heating element is disposed on the heating base 120, the receiver 112 receives the magnetic field signal to generate an induced current to supply power to the first controller 113, the first controller 113 sends out the communication signal after supplying power, and the second controller 121 receives the communication signal and determines the matching relationship between the first controller 113 and the second controller 121. It should be noted that the above connection is only an example, and other communication connection methods, such as bluetooth, wireless network, etc., may also be available.

When the heating body needs to be heated, the receiver 112 receives the magnetic field signal and generates induced current according to the law of electromagnetic induction to supply power to the first controller 113, the first controller 113 sends out a communication signal through the receiver 112 after supplying power, the communication signal enables the heating body and the second controller 121 to have good identification capability, and the heating body has better adaptability, and because the receiver 112 and the first controller 113 are only used for receiving the signal and controlling, the heating body can be set simply and compactly, thus, the cost can be saved, the space can be saved, and the heating power of the heating body can be improved. When the heating element is matched with the second controller 121, the metal body 111 is in an alternating magnetic field, and according to the electromagnetic eddy current principle, the current carrier in the metal body 111 moves under the action of the eddy electric field to form a current, which is in a vortex shape and is also called eddy current, because the resistance of the metal body 111 is very small, the magnetic field generates a strong eddy current in the ferromagnetic conductor, the eddy current generates a large amount of joule heat, the temperature of the metal body 111 is rapidly increased, and the purpose of heating is achieved.

It should be noted that, when the receiver 112 receives the magnetic field signal and generates the induced current according to the electromagnetic induction law, the receiver 112 cannot move when it needs to be heated, so the magnetic field signal here should be a fixed-power magnetic field signal emitted at a fixed frequency, and the receiver 112 in the changed magnetic field can generate the induced current according to the electromagnetic induction law to supply power to the first controller 113, so that the first controller 113 sends out the communication signal after supplying power. It should be further noted that the communication signals sent by the first controller 113 through the receiver 112 include a handshake signal and an ID signal, the handshake signal enables the first controller 113 and the second controller 121 to be connected, and the ID signal is used to determine the matching relationship between the first controller 113 and the second controller 121. It should be noted that the heating element can be used in any place where heat is needed after heating by using the electromagnetic eddy current principle, and the heating element can be used for cooking, heating and the like.

When the heating body needs to be heated, the receiver 112 receives the magnetic field signal and generates an induced current according to the law of electromagnetic induction to supply power to the first controller 113, the first controller 113 sends a communication signal through the receiver 112 after supplying power, the second controller 121 judges the matching relationship between the first controller 113 and the second controller 121 according to the communication signal, if the matching relationship is matched, the metal body 111 responds to the alternating magnetic field, so that the metal body 111 generates heat, if not matched, no alternating magnetic field exists, thus, the communication connection is adopted between the heating element and the second controller 121, so that the heating element and the second controller 121 have good identification capability and better adaptability, and since the receiver 112 and the first controller 113 are only used for receiving signals and controlling, the heating device can be simple and small, so that the cost and the space can be saved, and the heating power of the heating body can be improved.

Optionally, as shown in fig. 2, a temperature sensor 114 is further disposed on the base 110, the temperature sensor 114 is electrically connected to the first controller 113, and the temperature sensor 114 is configured to detect the temperature of the base 110 and transmit the temperature to the first controller 113.

The temperature sensor 114 is arranged on the base 110 and electrically connected with the first controller 113, the temperature sensor 114 detects the temperature of the base 110 and transmits the temperature to the first controller 113, the first controller 113 can conveniently master the temperature of the base 110 in real time, and sends corresponding control signals to corresponding parts according to preset threshold values, so that internal devices are prevented from being burnt due to overhigh temperature of the base 110, the purpose that the heating cannot be achieved due to overlow temperature is also avoided, and the constant temperature control and over-temperature protection of the heating body are realized.

It should be noted that, in the embodiment of the present invention, the position, the setting mode and the setting quantity of the temperature sensor 114 on the base are not specifically limited, for example, when the heating element of the embodiment of the present invention is used in an electric heating cup, the temperature sensor 114 is in a contact type, at this time, the temperature sensor 114 is for detecting the temperature of the liquid in the cup body, so, the temperature sensor 114 is generally set at the bottom of the cup body, for another example, when the heating element of the embodiment of the present invention is used in a hand warmer, in order to avoid the damage to the human body caused by the overhigh temperature, at this time, the temperature of the metal body 111 needs to be controlled, and the temperature sensor 114 is generally set at one side of the metal body 111.

Alternatively, in an implementation manner of the embodiment of the present invention, as shown in fig. 2, the receiver 112 is a first coil 1121. The receiver 112 is a first coil 1121, and is configured to receive a magnetic field signal, and generate an induced current inside the first coil 1121 to power the first controller 113 under the action of the magnetic field signal, where the magnitude of the induced current is related to the strength of the magnetic field signal, the number of turns, the number of layers, and the magnitude of the coil, so the number of turns, the number of layers, and the magnitude of the coil of the first coil 1121 are not specifically limited here, as long as the induced current can enable the first controller 113 to operate, it should be noted that specific setting positions of the first coil 1121 and the metal body 111 are not limited, for example, the first coil 1121 may be wound around the periphery of the metal body 111, and the space of the base is saved.

Optionally, in an implementation manner of the embodiment of the present invention, as shown in fig. 3, an annular cylinder 130 is further extended from the outer edge of the base 110, and the base 110 and the annular cylinder 130 enclose to form an accommodating cavity.

The outer fringe of base 110 still extends and sets up annular barrel 130, base 110 encloses synthetic holding chamber with annular barrel 130, form the basic structure of heating cup, can be used for holding various objects that will heat, the metal body 111 responds alternating magnetic field and generates heat and passes to base 110 with the heat, the holding chamber that annular barrel 130 and base 110 formed, make the classification of the object that the heat-generating body can heat increase, not only can heat the solid, can also heat various fluids, can also make the lower object of some melting point melt, make the application range of heat-generating body wider.

Optionally, in an implementation manner of the embodiment of the present invention, as shown in fig. 3, the periphery of the annular cylinder 130 is further provided with a heat insulating layer 131.

When the utility model discloses the heating body is used for heating the cup when using, on the basis of increasing the basic structure that annular barrel 130 formed the heating cup, can also be provided with heat preservation 131 outside annular barrel 130, generate heat under alternating magnetic field's effect when the metal body 111, and pass the heat to base 110, base 110 generates heat and passes to the material that is located the inside needs heating of annular barrel 130 with the heat, in the heating process and after the heating is accomplished, object in the annular barrel 130 and the temperature of annular barrel 130 surpass ambient temperature, the temperature difference has been had, at this moment, can exchange naturally in the heating cup and between the external environment, this scatters and disappears of material heat in will causing the heating cup, in order to reduce heat loss, the thermal efficiency is improved, set up heat preservation 131 in annular barrel periphery, heat preservation 131 can reduce heat and pass to external environment, the thermal efficiency is improved. It should be noted that the material, thickness, and arrangement of the insulating layer 131 are not limited herein, and the insulating effect can be achieved.

The utility model also provides a heating device 100, as shown in fig. 3, including the heat-generating body as above-mentioned arbitrary one to and heating seat 120, the heat-generating body is disposed on heating seat 120, is used for responding the magnetic field signal or the alternating magnetic field work that heating seat 120 sent.

The heating device 100 includes the heating element and the heating base 120, the heating base 120 is used for emitting a magnetic field signal or an alternating magnetic field, when the heating base 120 emits the magnetic field signal, the heating element on the heating base 120 emits a communication signal under the action of the magnetic field signal, the second controller determines whether the heating base 120 is matched with the heating element according to the communication signal, if so, the second controller 121 emits a heating signal, the heating base 110 emits the alternating magnetic field after obtaining the heating signal, and the heating element located in the alternating magnetic field emits heat. If not, the second controller 121 does not send a control signal. Therefore, the accurate matching of signals between the heating body and the heating seat is realized, and the problem of poor adaptability in the use process caused by mutual separation and no connection between the heating body and the heating seat is avoided.

Optionally, as shown in fig. 4, a second coil 122 and a second controller 121 are disposed in the heating base 120, the second coil 122 is electrically connected to the second controller 121, the second coil 122 is used for receiving the communication signal of the receiver 112 and transmitting the communication signal to the second controller 121, and the second controller 121 determines the matching relationship between the first controller 113 and the second controller 121 according to the communication signal and controls the second coil 122 to send out the alternating magnetic field under the matching condition.

The second coil 122 and the second controller 121 are disposed in the heating base 120, and the second controller 121 controls the second coil 122 to generate an alternating magnetic field according to the matching signal. The second controller 121 controls the second coil 122 to send out a magnetic field signal, after the second coil 122 sends out the magnetic field signal, the heating body on the heating base 120 sends out a communication signal under the action of the magnetic field signal, the communication signal is transmitted to the second coil 122 through the first coil, the second coil 122 receives the signal and transmits the signal to the second controller 121, the second controller 121 determines the matching relationship between the heating body and the heating base 120 according to the communication signal, and if the communication signal is matched, the second controller 121 controls the second coil 122 to send out an alternating magnetic field, so that the heating body in the alternating magnetic field generates heat.

Optionally, in an implementation manner of the embodiment of the present invention, as shown in fig. 4, the second controller 121 is further connected to a timer 123, and the second controller 121 controls the second coil 122 to send the magnetic field signal according to a time signal recorded by the timer 123 with a preset frequency.

The second controller 121 in the heating base 120 is further connected with a timer 123, the timer 123 is used for recording a time signal, the second controller 121 controls the second coil 122 to send out a magnetic field signal according to the time signal recorded by the timer 123, by way of example, the preset frequency of the embodiment of the present invention is 0.5 second, when the timer 123 reaches 0.5S, the second controller 121 sends out a control signal, the second coil 122 receives the control signal to send out the magnetic field signal, the first coil 1121 located in the heat generating body generates an induced current inside the first coil 1121 under the action of the magnetic field signal to supply power to the first controller 113, the first controller 113 sends out a communication signal after supplying power, the communication signal is transmitted to the second controller 121 through the second coil 122, the second controller 121 can determine whether the base 110 is the base 110 matched with the second controller 121 according to the communication signal, that is, whether the base 110 is matched with the heating seat 120 or not, the recognition capability and the adaptability between the heating seat 120 and the base 110 can be effectively improved through the transmission of the communication signal. Here, the timer 123 may be a separate element that is separately provided near the second controller 121 and electrically connected to the second controller 121, may be an element integrated in the second controller 121, or may be a single clock module in the second controller 121.

Optionally, in an implementation manner of the embodiment of the present invention, as shown in fig. 2, a temperature sensor 114 is disposed on the base 110 of the heating element, the temperature sensor 114 is electrically connected to the first controller 113, the first controller 113 is further configured to control the first coil to send a control signal to the second coil when a temperature signal of the temperature sensor 114 exceeds a preset threshold, and the second controller controls the second coil 122 to stop sending the alternating magnetic field.

The base 110 of the heating element is further provided with a temperature sensor 114, the temperature sensor 114 is used for sensing the temperature of the heating element and transmitting the temperature to a first controller 113, the first controller 113 controls the first coil to adjust the receiving power according to the data of the temperature sensor 114, so that the voltage and the output current in a second coil 122 arranged in a heating seat 120 regularly fluctuate, and a second controller 121 senses the temperature information of the heating element according to the change of the voltage and the output current in the second coil 122, so as to control the second coil to stop or reduce the frequency of the emitted alternating magnetic field. In a heating state, when the temperature transmitted from the temperature sensor 114 reaches a threshold temperature, the first controller 113 controls the first coil to send an over-temperature signal, that is, adjusts the receiving power of the first coil, the adjustment of the power of the first coil may cause regular fluctuation of the voltage and the output current in the second coil 122 disposed in the heating base 120, the second controller 121 learns that the temperature is too high according to the fluctuation of the parameters in the second coil 122, and then controls the second coil 122 to stop sending the alternating magnetic field. In the heat-preservation state, when the temperature sensed by the temperature sensor is lower than the heat-preservation low threshold value, a signal is transmitted to the second controller 121 in the same manner, so that the second controller 121 controls the second coil 122 to send the alternating magnetic field. In this way, constant temperature and over-temperature protection of the heat generating device 100 is achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The heating body is characterized by comprising a base, wherein a metal body, a receiver and a first controller are arranged in the base, the first controller is electrically connected with the receiver, the receiver is used for receiving a magnetic field signal to generate induction current to supply power to the first controller, the first controller sends a communication signal through the receiver after supplying power, and the metal body is used for responding to an alternating magnetic field and heating.

2. A heat-generating body as described in claim 1, wherein a temperature sensor is further provided on the base, said temperature sensor being electrically connected to said first controller, said temperature sensor being adapted to detect the temperature of said base and transmit it to said first controller.

3. A heat-generating body as described in claim 1, wherein said receiver is a first coil.

4. A heating body as claimed in claim 1, characterized in that an annular cylinder body is further extended from the outer edge of the base, and the base and the annular cylinder body enclose to form a containing cavity.

5. A heating body as claimed in claim 4, characterized in that the outer periphery of the annular cylinder body is further provided with a heat insulating layer.

6. A heat-generating device comprising the heat-generating body according to any one of claims 1 to 5, and a heating base, said heat-generating body being disposed on said heating base for operating in response to a magnetic field signal or an alternating magnetic field from said heating base.

7. The heat-generating device according to claim 6, wherein a second coil and a second controller electrically connected to the second coil are provided in the heating base, the second coil is configured to receive the communication signal from the receiver and transmit the communication signal to the second controller, and the second controller determines a matching relationship between the first controller and the second controller according to the communication signal and controls the second coil to generate an alternating magnetic field when the first controller and the second controller are matched.

8. The heat generating device as claimed in claim 7, wherein a timer is further connected to the second controller, and the second controller controls the second coil to emit the magnetic field signal at a predetermined frequency according to a time signal recorded by the timer.

9. The heat generating device according to claim 8, wherein a temperature sensor is further disposed on the base of the heat generating body, the temperature sensor is electrically connected to the first controller, and the first controller is further configured to control the first coil to send a control signal to the second coil to control the alternating magnetic field when a temperature signal of the temperature sensor exceeds a preset threshold.

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