CN219499577U - Electromagnetic induction heating device - Google Patents

Electromagnetic induction heating device Download PDF

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Publication number
CN219499577U
CN219499577U CN202320352045.XU CN202320352045U CN219499577U CN 219499577 U CN219499577 U CN 219499577U CN 202320352045 U CN202320352045 U CN 202320352045U CN 219499577 U CN219499577 U CN 219499577U
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CN
China
Prior art keywords
coil
magnetizer
electromagnetic induction
group
induction heating
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Active
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CN202320352045.XU
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Chinese (zh)
Inventor
王颜杰
徐诗华
吴奇
宋星运
张勇
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN202320352045.XU priority Critical patent/CN219499577U/en
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Abstract

The utility model discloses an electromagnetic induction heating device, which comprises: the electromagnetic induction heating device comprises a first magnetizer group, a second magnetizer group and a coil, wherein the first magnetizer group and the second magnetizer group are opposite to each other and are spaced apart along a first direction of the electromagnetic induction heating device, so that an induction magnetic field area is formed between the first magnetizer group and the second magnetizer group when the electromagnetic induction heating device is electrified; the coil comprises a first coil and a second coil which are connected, the first coil and the second coil are respectively wound on the outer side of the first magnetizer group and the outer side of the second magnetizer group, and the winding direction of the first coil is the same as the winding direction of the second coil. Therefore, after the first coil and the second coil are connected with alternating current, an alternating magnetic field is formed between the first magnetizer group and the second magnetizer group, and when the battery pole core is placed between the first magnetizer group and the second magnetizer group, the pole core is heated integrally, the pole core is heated uniformly, the heating efficiency is high, and the time cost is saved.

Description

Electromagnetic induction heating device
Technical Field
The utility model relates to the technical field of electromagnetic heating, in particular to an electromagnetic induction heating device.
Background
Battery production includes a number of processes, wherein the hot-pressing process is an important step in the battery manufacturing process, and generally, when the battery electrode core is subjected to lamination or winding processes, the electrode core needs to be heated for subsequent hot-pressing operation.
In the related art, a pole core is heated in a heat conduction mode, but in the heating process, heat is transferred from the outer layer of the pole core to the inner layer of the pole core, the outer layer temperature of the pole core is higher than the inner layer temperature, so that the whole pole core is heated unevenly, the inner layer temperature needs to be heated for a long time to reach the required temperature, the heating efficiency is low, and the time cost is high.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, a first object of the present utility model is to provide an electromagnetic induction heating device, in which a first coil and a second coil with the same winding direction are respectively disposed on the outer sides of a first magnetizer set and a second magnetizer set, when alternating current is conducted by the first coil and the second coil, an alternating magnetic field can be formed between the first magnetizer set and the second magnetizer set, and when a battery pole core is placed between the first magnetizer set and the second magnetizer set, each metal pole piece in the pole core is integrally heated due to eddy current, external heat conduction is not required, the pole core is heated uniformly, heating efficiency is high, and time cost is saved.
To achieve the above object, an embodiment of the present utility model provides an electromagnetic induction heating apparatus, including:
the first magnetizer group and the second magnetizer group are opposite and spaced along the first direction of the electromagnetic induction heating device, so that an induction magnetic field area is formed between the first magnetizer group and the second magnetizer group when the electromagnetic induction heating device is electrified;
the coil comprises a first coil and a second coil which are connected, the first coil and the second coil are respectively wound on the outer side of the first magnetizer group and the outer side of the second magnetizer group, and the winding direction of the first coil is the same as the winding direction of the second coil.
According to the electromagnetic induction heating device provided by the embodiment of the utility model, the first coil and the second coil which are in the same winding direction are respectively arranged on the outer sides of the first magnetizer group and the second magnetizer group, when alternating current is conducted by the first coil and the second coil, an alternating magnetic field can be formed between the first magnetizer group and the second magnetizer group, when the battery pole core is placed between the first magnetizer group and the second magnetizer group, each metal pole piece in the pole core is integrally heated due to eddy current, external heat conduction is not needed, the pole core is heated uniformly, the heating efficiency is high, and the time cost is saved.
In some examples of the utility model, the first magnetic conductor set and the second magnetic conductor set each include a plurality of magnetic conductors, the plurality of magnetic conductors being sequentially spaced apart along a second direction of the electromagnetic induction heating apparatus, wherein the first direction and the second direction are perpendicular.
In some examples of the utility model, the plurality of magnetic conductors of the first magnetic conductor set are disposed in one-to-one correspondence with the plurality of magnetic conductors of the second magnetic conductor set along the first direction.
In some examples of the utility model, further comprising: the first support platform and the second support platform are arranged, the first magnetizer group and the first coil are arranged on the first support platform, the second magnetizer group and the second coil are arranged on the second support platform, and the distance between the first support platform and the second support platform along the first direction is adjustable.
In some examples of the utility model, the spacing distance between adjacent two of the plurality of magnetic conductors of the first magnetic conductor set is the same and the spacing distance between adjacent two of the plurality of magnetic conductors of the second magnetic conductor set is the same.
In some examples of the utility model, the first coil is wound in a first direction on an outer side of the first magnetic conductor set to form a multi-turn coil structure; the second coil is wound on the outer side of the second magnetizer group along the first direction to form a multi-turn coil structure.
In some examples of the utility model, the coil further comprises: and the connecting piece is connected between the first coil and the second coil.
In some examples of the utility model, further comprising: and the power supply controller is electrically connected with the coil.
In some examples of the utility model, further comprising: and the temperature sensor is used for detecting the temperature of the heated object, and is in communication connection with the power supply controller, and the power supply controller is configured to adjust the current of the power supply according to the detected temperature of the temperature sensor.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a perspective view of an electromagnetic induction heating apparatus according to an embodiment of the present utility model;
fig. 2 is a front view of an electromagnetic induction heating apparatus according to an embodiment of the present utility model;
FIG. 3 is a top view of an electromagnetic induction heating apparatus according to one embodiment of the utility model;
fig. 4 is a left side view of an electromagnetic induction heating apparatus according to an embodiment of the present utility model;
fig. 5 is a perspective view of an electromagnetic induction heating apparatus according to another embodiment of the present utility model.
Reference numerals:
an electromagnetic induction heating device 100;
a first magnetic conductor set 1;
a second magnetic conductor set 2;
a coil 3; a first coil 31; a second coil 32; a connecting member 33;
a magnetizer 4;
a power supply controller 5;
a temperature sensor 6;
a pole piece 7;
first direction X, second direction Y.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
An electromagnetic induction heating apparatus 100 according to an embodiment of the present utility model is described below with reference to the drawings.
As shown in fig. 1 to 5, an electromagnetic induction heating apparatus 100 according to an embodiment of the present utility model includes: the electromagnetic induction heating device comprises a first magnetizer group 1, a second magnetizer group 2 and a coil 3, wherein the first magnetizer group 1 and the second magnetizer group 2 are opposite and spaced along a first direction X of the electromagnetic induction heating device 100, so that an induction magnetic field area is formed between the first magnetizer group 1 and the second magnetizer group 2 when the electromagnetic induction heating device 100 is electrified; the coil 3 includes a first coil 31 and a second coil 32 connected, the first coil 31 and the second coil 32 are wound on the outer side of the first magnetizer set 1 and the outer side of the second magnetizer set 2, respectively, and the winding direction of the first coil 31 is the same as the winding direction of the second coil 32.
Specifically, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, along the first direction X, the first magnetizer set 1 and the second magnetizer set 2 are oppositely arranged, a certain gap is reserved between the first magnetizer set 1 and the second magnetizer set 2 for placing an object to be heated, such as a battery pole core 7, the outer side of the first magnetizer set 1 and the outer side of the second magnetizer set 2 are further respectively wound with a first coil 31 and a second coil 32, optionally, the materials of the first coil 31 and the second coil 32 are copper, further, the first coil 31 and the second coil 32 are hollow copper tubes, and circulating cooling water is arranged in the hollow copper tubes, so that the temperature of the hollow copper tubes can be reduced, overheat phenomena of the first coil 31 and the second coil 32 can be prevented, and the temperature of the electromagnetic induction heating device 100 can be advantageously increased.
It should be noted that, the first coil 31 and the second coil 32 may be connected in series, or may not be connected in series, if the first coil 31 and the second coil 32 are connected in series, after the first coil 31 and the second coil 32 are connected to the external power source, the first magnetizer group 1 and the second magnetizer group 2 generate corresponding induction magnetic fields, because the direction of the first coil 31 winding the first magnetizer group 1 is the same as the direction of the second coil 32 winding the second magnetizer group 2, an induction magnetic field with opposite polarity is generated between the first magnetizer group 1 and the second magnetizer group 2, so that a magnetic flux loop is generated between the first magnetizer group 1 and the second magnetizer group 2, so as to form an induction magnetic field area between the first magnetizer group 1 and the second magnetizer group 2, it can be understood that, when the first coil 31 and the second coil 32 are connected in series, if the first coil 31 and the second coil 32 are arranged as hollow copper pipes, one ends of the first coil 31 and the second coil 32 are respectively connected with a cooling water inlet and a cooling water outlet, and a cooling water outlet are connected to the cooling water inlet and the cooling water outlet through the first coil 32, and the cooling water circulation is realized; if the first coil 31 and the second coil 32 are not connected in series, the first coil 31 and the second coil 32 are respectively connected with an external power supply, since the direction of the first coil 31 around the first magnetic conductor set 1 is the same as the direction of the second coil 32 around the second magnetic conductor set 2, the current flows in the same direction of the first coil 31 and the second coil 32, so that a magnetic flux loop can be generated between the first magnetic conductor set 1 and the second magnetic conductor set 2, and an induced magnetic field area can be formed between the first magnetic conductor set 1 and the second magnetic conductor set 2, and it can be understood that when the first coil 31 and the second coil 32 are not connected in series, the first end and the second end of the first coil 31 and the first end of the second coil 32 are respectively connected with a cooling water inlet and a cooling water outlet, and the cooling water inlet and the cooling water outlet are respectively connected to a water chiller through water pipes, so as to realize cooling water circulation in the first coil 31 and the second coil 32, respectively.
Further, if the first coil 31 and the second coil 32 are connected in series, a high-frequency alternating current is externally connected to the first coil 31 and the second coil 32, and a corresponding high-frequency alternating magnetic field is formed between the first magnetizer set 1 and the second magnetizer set 2, or if the first coil 31 and the second coil 32 are not connected in series, a similar high-frequency alternating current can be obtained between the first coil 31 and the second coil 32 by periodically controlling the current flowing in the flowing direction of the first coil 31 and the flowing direction of the second coil 32, so that a corresponding high-frequency alternating magnetic field is formed between the first magnetizer set 1 and the second magnetizer set 2.
When the battery pole core 7 needs to be heated, the pole core 7 is placed in an induction magnetic field area formed by the first magnetizer group 1 and the second magnetizer group 2, a plurality of layers of pole pieces are stacked or wound to form the inside of the pole core 7, the surfaces of the pole pieces are made of metal materials, a diaphragm is arranged between the pole pieces, the pole pieces are provided with a gluing area, hot melt glue is coated on the gluing area, when the first coil 31 and the second coil 32 are externally connected with high-frequency alternating current, a high-frequency alternating magnetic field is formed between the first magnetizer group 1 and the second magnetizer group 2, vortex is generated on the surfaces of the pole pieces inside the pole core 7 under the action of the high-frequency alternating magnetic field, the main body of the pole pieces can automatically heat due to the Joule heating effect, and after the pole pieces are heated to a preset temperature, the high-temperature hot melt glue is melted, so that the adhesion between the pole pieces and the diaphragm in the pole core 7 is realized. From this, this application can realize the overall heating to pole piece 7 through electromagnetic induction heating, for traditional heat conduction heating mode, not only can improve heating efficiency, shortened heating time greatly, and the inside pole piece of pole piece 7 waits that the heating area heats simultaneously, need not through outside heat conduction, and pole piece 7 is whole to be heated more evenly, is favorable to improving the bonding effect between pole piece and the diaphragm.
It should be noted that, when the pole core 7 is heated, the area to be heated may be integrally placed in the area of the induction magnetic field, and the area not to be heated may deviate from the area of the induction magnetic field, for example, the pole ear deviates from the area of the induction magnetic field to realize protection of the pole ear, thereby realizing protection of the area not to be heated and improving flexibility of use of the electromagnetic induction heating device 100.
According to the electromagnetic induction heating device 100 of the embodiment of the utility model, the first coil 31 and the second coil 32 with the same winding direction are respectively arranged on the outer sides of the first magnetizer group 1 and the second magnetizer group 2, when alternating current is connected to the first coil 31 and the second coil 32, an alternating magnetic field can be formed between the first magnetizer group 1 and the second magnetizer group 2, when the battery pole piece 7 is placed between the first magnetizer group 1 and the second magnetizer group 2, each metal pole piece in the pole piece 7 is integrally heated due to eddy current, external heat conduction is not needed, the pole piece 7 is heated uniformly, the heating efficiency is high, and the time cost is saved.
In some embodiments of the present utility model, as shown in fig. 1, 2 and 5, each of the first magnetic conductor set 1 and the second magnetic conductor set 2 includes a plurality of magnetic conductors 4, and the plurality of magnetic conductors 4 are sequentially arranged at intervals along a second direction Y of the electromagnetic induction heating apparatus 100, wherein the first direction X and the second direction Y are perpendicular.
Specifically, the first magnetizer group 1 and the second magnetizer group 2 are each composed of a plurality of magnetizers 4 which are sequentially arranged at intervals along the second direction Y, the first coil 31 wraps the plurality of magnetizers 4 in the first magnetizer group 1, the second coil 32 wraps the plurality of magnetizers 4 in the second magnetizer group 2, the plurality of magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 can be set according to specific conditions, so that the range of the induction magnetic field area formed by the first magnetizer group 1 and the second magnetizer group 2 can be prolonged according to the needs, for example, when the length of the battery pole core 7 along the second direction Y is long, the number of the magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 can be increased appropriately, so that the pole core 7 is completely in the induction magnetic field area, when the length of the battery pole core 7 along the second direction Y is short, the number of the magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 can be reduced appropriately, the range of the induction magnetic field area can be formed by the first magnetizer group 1 and the second magnetizer group 2 can be prolonged according to the needs, for example, the electromagnetic field heating device can not only be heated by the first electromagnetic field device 100, but also can not waste the induction magnetic field area can be formed by the first and the needs and can not be adjusted.
In some embodiments of the present utility model, as shown in fig. 1, 2 and 5, the plurality of magnetic conductors 4 of the first magnetic conductor set 1 are disposed in one-to-one correspondence with the plurality of magnetic conductors 4 of the second magnetic conductor set 2 along the first direction X.
Specifically, each magnetizer 4 in the first magnetizer group 1 is correspondingly provided with one magnetizer 4 in the second magnetizer group 2, that is, the number of the magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 is the same, and each magnetizer 4 in the first magnetizer group 1 is symmetrically provided with one magnetizer 4 in the second magnetizer group 2 along the first direction X, so that after the first coil 31 and the second coil 32 are electrified, each magnetizer 4 in the first magnetizer group 1 and each magnetizer 4 symmetrically provided with the second magnetizer group 2 generate induction magnetic fields with opposite polarities, so that each magnetizer 4 in the first magnetizer group 1 and each magnetizer 4 symmetrically provided with the second magnetizer group 2 generate induction magnetic field subregions, and a plurality of induction magnetic field subregions are distributed along the second direction Y, so that induction magnetic field regions are formed between the first magnetizer group 1 and the second magnetizer group 2, and simultaneously, the plurality of magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 can be correspondingly provided with the plurality of magnetizers 4 in the second magnetizer group 2, the uniformity of induction magnetic field regions can be further improved, and the uniformity of the distribution of the induction magnetic field regions between the first magnetizer group 1 and the second magnetizer group 2 can be further improved, and the uniformity of the induction magnetic field regions can be further improved, and the uniformity of the distribution of the induction magnetic field regions can be improved.
In some embodiments of the utility model, further comprising: the first support platform and the second support platform are arranged, the first magnetizer group 1 and the first coil 31 are arranged on the first support platform, the second magnetizer group 2 and the second coil 32 are arranged on the second support platform, and the distance between the first support platform and the second support platform along the first direction X is adjustable.
Specifically, the first electromagnetic induction unit is formed by the first magnetizer set 1 and the first coil 31, the second electromagnetic induction unit is formed by the second magnetizer set 2 and the second coil 32, the distance between the first electromagnetic induction unit and the second electromagnetic induction unit can be adjusted along with the distance between the first supporting platform and the second supporting platform, when the heating effect needs to be improved, the distance between the first supporting platform and the second supporting platform is reduced, so as to increase the density of magnetic induction lines between the first magnetizer set 1 and the second magnetizer set 2, thereby enabling a heated object (such as the pole core 7) to obtain better heating effect, when the heating effect needs to be weakened, the distance between the first supporting platform and the second supporting platform is increased, so as to reduce the density of the magnetic induction lines between the first magnetizer set 1 and the second magnetizer set 2, thereby enabling the heating effect of the heated object (such as the pole core 7) to be weakened, and the heating effect of the electromagnetic induction heating device 100 can be flexibly adjusted according to the needs, so as to meet the heating requirements of different heated objects, and be beneficial to improving the application range of the electromagnetic induction heating device 100.
In some embodiments of the present utility model, as shown in fig. 1, 2 and 5, the distance between two adjacent magnetizers 4 in the plurality of magnetizers 4 of the first magnetizer set 1 is the same, and the distance between two adjacent magnetizers 4 in the plurality of magnetizers 4 of the second magnetizer set 2 is the same.
Specifically, the distance between two adjacent magnetizers 4 in the plurality of magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 is the same, that is, the plurality of magnetizers 4 in the first magnetizer group 1 and the second magnetizer group 2 are sequentially distributed at equal intervals along the second direction Y, so that the induction magnetic field subareas formed by the adjacent magnetizers 4 corresponding to each other in the first magnetizer group 1 and the second magnetizer group 2 can be uniformly overlapped, and the uniformity of the distribution of the induction magnetic field areas of the first magnetizer group 1 and the second magnetizer group 2 is improved, thereby being beneficial to improving the uniform distribution of heat in the heating process of the pole core 7.
In some embodiments of the present utility model, as shown in fig. 1-3 and 5, the first coil 31 is wound on the outer side of the first magnetizer group 1 along the first direction X to form a multi-turn coil structure; the second coil 32 is wound on the outer side of the second magnetic conductor set 2 in the first direction X to form a multi-turn coil structure.
Specifically, the first coil 31 winds the first magnetic conductor set 1 multiple times along the first direction X, the number of turns of the first coil 31 winding the first magnetic conductor set 1 is specifically set according to needs, and is not specifically limited herein, the polarity of the induced magnetic field formed by the first coil 31 on the first magnetic conductor set 1 is the same, and the strength of the induced magnetic field changes with the change of the number of turns of the first coil 31 winding the first magnetic conductor set 1, for example, when the number of turns of the first coil 31 winding the first magnetic conductor set 1 is increased, the strength of the induced magnetic field formed by the first magnetic conductor set 1 increases, and when the number of turns of the first coil 31 winding the first magnetic conductor set 1 is reduced; the number of turns of the second magnetic conductor set 2 around the second coil 32 along the first direction X is specifically set according to the need, but not specifically limited herein, the polarity of the induction magnetic field formed by the second coil 32 around the second magnetic conductor set 2 is the same, and the intensity of the induction magnetic field changes with the change of the number of turns of the second coil 32 around the second magnetic conductor set 2, for example, when the number of turns of the second coil 32 around the second magnetic conductor set 2 is increased, the intensity of the induction magnetic field formed by the second magnetic conductor set 2 is increased, and when the number of turns of the second coil 32 around the second magnetic conductor set 2 is reduced, the intensity of the induction magnetic field formed by the second magnetic conductor set 2 is reduced, so that the number of turns of the first coil 31 and the second coil 32 around can be flexibly adjusted according to the need, and the intensity of the induction magnetic field formed by the first magnetic conductor set 1 and the second magnetic conductor set 2 can be flexibly adjusted, so that the heating effect of the electromagnetic induction heating device 100 can be flexibly adjusted, thereby meeting the heating requirements of different objects to be heated, and the application range of the electromagnetic heating device 100 can be advantageously increased.
In some embodiments of the present utility model, as shown in fig. 1, 2, 4 and 5, the coil 3 further includes: a connection member 33, the connection member 33 being connected between the first coil 31 and the second coil 32.
Specifically, a connecting piece 33 is further disposed between the first coil 31 and the second coil 32, optionally, the connecting piece 33 is a wire, so that the first coil 31 and the second coil 32 are conducted by the wire, when the first coil 31 and the second coil 32 are electrified, current flows through the connecting piece 33 from the first coil 31 and finally flows into the second coil 32 to form a complete current loop, or current flows through the connecting piece 33 from the second coil 32 and finally flows into the first coil 31 to form a complete current loop, and because the direction of winding the first coil 31 around the first magnetizer group 1 is the same as the direction of winding the second coil 32 around the second magnetizer group 2, the current flows in the same direction of the first coil 31 and the second coil 32, so that an induced magnetic field with opposite polarity is generated between the first magnetizer group 1 and the second magnetizer group 2, and a magnetic flux loop is generated between the first magnetizer group 1 and the second magnetizer group 2 to form an induced magnetic field area.
Further, the wires provide a certain margin for the relative movement of the first support platform and the second support platform, that is, the maximum adjustable distance between the first support platform and the second support platform needs to be smaller than the length of the wires, so that the flexible range can be provided for the adjustable distance between the first support platform and the second support platform.
In some embodiments of the present utility model, as shown in fig. 5, further comprising: and a power supply controller 5, the power supply controller 5 being electrically connected to the coil 3.
Specifically, the power supply controller 5 is configured to control a power parameter, for example, control the magnitude of the current flowing into the coil 3 by the power supply controller 5, when the heating effect of the electromagnetic induction heating device 100 needs to be enhanced, the magnitude of the current flowing into the coil 3 can be appropriately increased, and when the heating effect of the electromagnetic induction heating device 100 needs to be weakened, the magnitude of the current flowing into the coil 3 can be appropriately reduced, so that the output power of the electromagnetic induction heating device 100 can be adjusted in real time by controlling the magnitude of the current flowing into the coil 3 by the power supply controller 5, so that the electromagnetic induction heating device 100 can meet the heating requirements of different heated objects, and the application range of the electromagnetic induction heating device 100 is advantageously increased.
In some embodiments of the present utility model, as shown in fig. 5, further comprising: and a temperature sensor 6, the temperature sensor 6 is used for detecting the temperature of the heated object, the temperature sensor 6 is in communication connection with the power supply controller 5, and the power supply controller 5 is configured to adjust the current of the power supply according to the detected temperature of the temperature sensor 6.
Specifically, the electromagnetic induction heating device 100 adopts closed-loop control, the temperature sensor 6 has the characteristics of high precision and high sensitivity, the temperature sensor 6 is used for detecting the temperature of a heated object (such as the pole piece 7), and feeding back the acquired real-time temperature to the power supply controller 5, the power supply controller 5 adjusts the current of the power supply according to the acquired real-time temperature, for example, when the temperature of the heated object is detected to be higher, the power supply controller 5 reduces the current of the power supply to weaken the heating effect of the electromagnetic induction heating device 100, and when the temperature of the heated object is detected to be lower, the power supply controller 5 increases the current of the power supply to improve the heating effect of the electromagnetic induction heating device 100, thereby realizing the rapid adjustment of the output power of the electromagnetic induction heating device 100 according to the real-time temperature, and improving the response speed and the precision of the current adjustment of the electromagnetic induction heating device 100; further, after the object to be heated (such as the pole core 7) is heated to a preset temperature, the temperature sensor 6 can be combined with the power controller 5 to adjust the current in a small amplitude, so as to control the temperature to be near the preset temperature, thereby realizing the constant temperature control in the heating process of the pole core 7.
It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An electromagnetic induction heating apparatus, comprising:
the electromagnetic induction heating device comprises a first magnetizer group and a second magnetizer group, wherein the first magnetizer group and the second magnetizer group are opposite to each other and are spaced apart along a first direction of the electromagnetic induction heating device, so that an induction magnetic field area is formed between the first magnetizer group and the second magnetizer group when the electromagnetic induction heating device is electrified;
the coil comprises a first coil and a second coil which are connected, the first coil and the second coil are respectively wound on the outer side of the first magnetizer group and the outer side of the second magnetizer group, and the winding direction of the first coil is the same as the winding direction of the second coil.
2. The electromagnetic induction heating apparatus of claim 1, wherein the first and second magnetic conductor sets each comprise a plurality of magnetic conductors, the plurality of magnetic conductors being sequentially spaced apart along a second direction of the electromagnetic induction heating apparatus, wherein the first and second directions are perpendicular.
3. The electromagnetic induction heating apparatus of claim 2, wherein a plurality of said magnetic conductors of said first magnetic conductor set are disposed in one-to-one correspondence with a plurality of said magnetic conductors of said second magnetic conductor set along said first direction.
4. An electromagnetic induction heating apparatus according to any one of claims 1-3, further comprising: the first support platform and the second support platform, first magnetizer group with first coil locates first support platform, the second magnetizer group with the second coil is located second support platform, along the first direction, first support platform with the interval of second support platform is adjustable.
5. The electromagnetic induction heating apparatus of claim 2, wherein a distance between adjacent two of the plurality of magnetic conductors of the first magnetic conductor set is the same, and a distance between adjacent two of the plurality of magnetic conductors of the second magnetic conductor set is the same.
6. The electromagnetic induction heating apparatus of claim 1, wherein the first coil is wound outside the first magnetic conductor set in the first direction to form a multi-turn coil structure; the second coil is wound on the outer side of the second magnetizer group along the first direction to form a multi-turn coil structure.
7. The electromagnetic induction heating apparatus of claim 1, wherein the coil further comprises: and the connecting piece is connected between the first coil and the second coil.
8. The electromagnetic induction heating apparatus according to any one of claims 1 to 3, 5 to 7, further comprising: and the power supply controller is electrically connected with the coil.
9. The electromagnetic induction heating apparatus of claim 8, further comprising: and the temperature sensor is used for detecting the temperature of the heated object, the temperature sensor is in communication connection with the power supply controller, and the power supply controller is configured to adjust the current of the power supply according to the detected temperature of the temperature sensor.
CN202320352045.XU 2023-02-20 2023-02-20 Electromagnetic induction heating device Active CN219499577U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320352045.XU CN219499577U (en) 2023-02-20 2023-02-20 Electromagnetic induction heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320352045.XU CN219499577U (en) 2023-02-20 2023-02-20 Electromagnetic induction heating device

Publications (1)

Publication Number Publication Date
CN219499577U true CN219499577U (en) 2023-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN219499577U (en)

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