CN212910106U

CN212910106U - Electromagnetic induction heating device

Info

Publication number: CN212910106U
Application number: CN202022223547.1U
Authority: CN
Inventors: 林艺明
Original assignee: Dongguan Hetuo Electronic Technology Co ltd
Current assignee: Dongguan Hetuo Electronic Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-04-06
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an electromagnetic induction heating device belongs to electromagnetic induction heating equipment technical field, including an insulator, the outer wall winding of insulator has solenoid, the inside of insulator is equipped with the assembly room, be equipped with the heat-generating body in the assembly room and can fill liquid, the upper end of insulator is equipped with the upper end cover, be equipped with the hot water export on the upper end cover, the lower extreme of insulator is equipped with the lower extreme cover, be equipped with cold water inlet on the lower extreme cover. Novel efficient electromagnetic induction heating device has greatly improved the heat exchange area of electromagnetic heating body and liquid heat-conducting medium to at small size, under the low-cost condition, realize higher power electromagnetic induction heating's heating stove, water heater and heat conduction oil stove etc. and further improve the efficiency, for the user realizes energy-conserving power saving.

Description

Electromagnetic induction heating device

Technical Field

The utility model belongs to the technical field of the electromagnetic induction heating equipment, especially, relate to an electromagnetic induction heating device.

Background

The principle of electromagnetic induction heating is that high-frequency alternating current is connected to an electromagnetic coil, alternating current generates an alternating electromagnetic field, the alternating electromagnetic field acts on a heating body in a non-contact mode, so that vortex current is generated on the surface of the heating body, and the joule heat effect of the vortex current generates heat, so that non-contact electricity energy is converted into heat energy.

The heating body of the electromagnetic induction heating technology can be completely soaked in the liquid heat-conducting medium, so that the electromagnetic induction heating technology has the advantages of water-electricity separation safety, high-efficiency heat conductivity and wide application prospect in electric heating furnaces and electric water heaters. However, the heating of electromagnetic induction heating is concentrated, the heat exchange area with the heat-conducting medium is small, the medium cannot fully take away heat, and the temperature of the heating body is too high and the temperature of the heat-conducting medium is insufficient due to the fact that the power is increased at the moment. The energy efficiency and the service life of the electric appliance can be reduced due to the overhigh temperature of the heating body, and the user experience is influenced due to the insufficient temperature of the medium.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an electromagnetic induction heating apparatus, which is small in size, low in manufacturing cost, and capable of increasing the heat exchange area of the electromagnetic heating member and the liquid heat-conducting medium, and saving more energy and power.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electromagnetic induction heating device, includes an insulator, the outer wall winding of insulator has solenoid, the inside of insulator is equipped with the assembly room, be equipped with the heat-generating body in the assembly room and can fill liquid, the heat-generating body is surrounded by a plurality of heat exchanger fin and is formed, the upper end of insulator is equipped with the upper end cover, be equipped with the hot water export on the upper end cover, the lower extreme of insulator is equipped with the lower extreme, be equipped with cold water inlet on the lower extreme cover, hot water export, water channel and cold water inlet are linked together.

Preferably, the heat exchange plate is of an L-shaped or V-shaped structure.

Preferably, the heat exchanger fin comprises an inner layer and an outer layer, and the inner layer and the outer layer are formed by an integrated punch forming structure.

Preferably, both ends of the electromagnetic coil are connected with a heating power supply.

Preferably, the liquid is liquid water, heat transfer oil or antifreeze.

Preferably, the hot water outlet and the cold water inlet are both provided with threads.

Preferably, the heat exchange plate is made of a steel plate or an iron plate.

The utility model discloses following beneficial effect has: compared with the prior art, novel efficient electromagnetic induction heating device has greatly improved the heat exchange area of electromagnetic heating body and liquid heat-conducting medium to at small size, under the low-cost condition, realize higher power electromagnetic induction heating's heating stove, water heater and heat conduction oil stove etc. and further improve the efficiency, realize energy-conserving power saving for the user.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

fig. 3 is a schematic top view of an embodiment of the present invention;

FIG. 4 is a schematic structural view of a heating element according to an embodiment of the present invention;

fig. 5 is a top view of the heat exchanger fin with V-shaped structure after forming the heating element.

In the figure: 1. an insulator; 2. an electromagnetic coil; 3. a heating element; 31. a heat exchanger fin; 32. A water passage; 4. an upper end cover; 5. a hot water outlet; 6. a lower end cover; 7. a cold water inlet; 8. And (4) external threads.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, the embodiment of the utility model provides an electromagnetic induction heating device, including an insulator 1, insulator 1 is nonmetal class pipe or multilateral venturi tube such as epoxy pipe, glass steel pipe, ceramic pipe, glass pipe (quartz capsule), plastic tubing, the outer wall winding of insulator 1 has solenoid 2, and this solenoid 2's both ends all are connected with heating power supply, the inside of insulator 1 is equipped with the assembly room, be equipped with heat-generating body 3 in the assembly room and can fill liquid, the heat-generating body 3 of this embodiment is spliced into tubulose or similar tubulose as the magnet that receives who generates heat by the heat exchanger fin 31 of a plurality of L shapes or V-arrangement structure. The heat exchanger is characterized in that an upper end cover 4 is arranged at the upper end of the insulator 1, a hot water outlet 5 is arranged on the upper end cover 4, a lower end cover 6 is arranged at the lower end of the insulator 1, a cold water inlet 7 is arranged on the lower end cover 6, a water passing channel 32 is formed between the heat exchange fins 31 and the heat exchange fins 31, and the hot water outlet 5, the water passing channel 32 and the cold water inlet 7 are communicated.

Specifically, the heat exchanger plate 31 comprises an inner layer and an outer layer, wherein the inner layer and the outer layer are formed by an integrated punch forming structure.

Specifically, both ends of the electromagnetic coil 2 are connected with a heating power supply.

Specifically, the liquid is liquid water, heat conduction oil or antifreeze.

Threads 8 are arranged on the hot water outlet 5 and the cold water inlet 7.

Specifically, the heat exchanger plate 31 is made of a steel plate or an iron plate.

When the water-cooling water inlet 7 enters the heating body 3 and passes through the water passing channel 32, the water-cooling water is heated by the heat of the heat exchange plate 31 and then flows out from the hot water outlet 5; the outer layer of heat exchanger fin 31 generates heat in the alternating electromagnetic field, and the heat is partly conducted to peripheral liquid medium, and partly conducts the inlayer of heat exchanger fin 31, and heat exchanger fin 31 is the metal material, and the inside thermal resistance of metal is greater than the thermal resistance that metal conducts heat to liquid far away, therefore the inlayer temperature of heat exchanger fin 31 is close with the outer layer temperature of heat exchanger fin 31 to be far above liquid medium, and liquid medium takes away the heat from the inside, the skin of heat exchanger fin 31 simultaneously this moment, thereby realize high-efficient heat transfer in the small volume scope. Novel efficient electromagnetic induction heating device has greatly improved the heat exchange area of electromagnetic heating body and liquid heat-conducting medium to at small size, under the low-cost condition, realize higher power electromagnetic induction heating's heating stove, water heater and heat conduction oil stove etc. and further improve the efficiency, for the user realizes energy-conserving power saving.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electromagnetic induction heating apparatus characterized in that: including an insulator (1), the outer wall winding of insulator (1) has solenoid (2), the inside of insulator (1) is equipped with the assembly room, be equipped with heat-generating body (3) and can fill liquid in the assembly room, heat-generating body (3) encircle by a plurality of heat exchanger fin (31) and form, the upper end of insulator (1) is equipped with upper end cover (4), be equipped with hot water export (5) on upper end cover (4), the lower extreme of insulator (1) is equipped with lower end cover (6), be equipped with cold water entry (7) on lower end cover (6), hot water export (5), water channel (32) and cold water entry (7) are linked together.

2. An electromagnetic induction heating apparatus according to claim 1, characterized in that: the heat exchange plate (31) is of an L-shaped or V-shaped structure.

3. An electromagnetic induction heating apparatus according to claim 1, characterized in that: the heat exchange plate (31) comprises an inner layer and an outer layer, wherein the inner layer and the outer layer are formed by an integrated punch forming structure.

4. An electromagnetic induction heating apparatus according to claim 1, characterized in that: and both ends of the electromagnetic coil (2) are connected with a heating power supply.

5. An electromagnetic induction heating apparatus according to claim 1, characterized in that: the liquid is liquid water, heat conducting oil or antifreeze.

6. An electromagnetic induction heating apparatus according to claim 1, characterized in that: threads (8) are arranged on the hot water outlet (5) and the cold water inlet (7).

7. An electromagnetic induction heating apparatus according to claim 1, characterized in that: the heat exchange plates (31) are made of steel plates or iron plates.