CN212902005U - Electromagnetic heater - Google Patents

Abstract

The utility model discloses an electromagnetic heater, including casing, spring shape coil pipe, electromagnetic heating coil is equipped with at least two sets ofly, and the winding is in the casing outside from the top down in proper order, spring shape coil pipe seals inside the casing, and the sealed trompil that is equipped with of casing lower extreme, spring shape coil pipe one end is passed and is extended to the object outside from this trompil, spring shape coil pipe is fixed with sealing material for the trompil and makes spring shape coil pipe central line unanimous with the object central line, sealed covering be equipped with another trompil and have a stainless steel pipe with the trompil is sealed fixed as the water inlet. The utility model discloses set up multiunit coil and increase heating total power, heat the spring-shaped coil pipe of inside through electromagnetic induction coil, and spring-shaped coil pipe design is helical structure, increases the length of metal heating member, and the area of contact of increase and water reaches better heat transfer effect.

Description

Electromagnetic heater

Technical Field

The utility model belongs to the technical field of the heater, especially, relate to an electromagnetic heater.

Background

The water heater is a device which can increase the temperature of cold water into hot water in a certain time by various physical principles. The water heater can be generally divided into four types, namely an electric water heater, a gas water heater, a solar water heater and an air energy water heater. The electric water heater and the gas water heater are characterized by convenient use, continuous supply of hot water, easy leakage, air leakage and other safety problems, low heat efficiency and other defects, and the solar water heater has the characteristics of energy conservation, environmental protection and the like, but occupies a large space, is easily influenced by seasonal changes in the using process, and has high cost and low heating speed. The electric water heater has wider application range in the aspects of comprehensive use cost, convenience and the like, but the existing electric water heater has low energy efficiency and is easy to leak electricity, so that energy waste and electric shock accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic heater, this electromagnetic heater simple structure, with low costs, and heat exchange efficiency is high.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an electromagnetic heater, includes casing, spring shape coil pipe, electromagnetic heating coil is equipped with at least two sets ofly, and the winding is in the casing outside from the top down in proper order, the casing is seal structure, and the sealed cover of lower extreme is equipped with a trompil, is equipped with a spring shape coil pipe in this trompil, spring shape coil pipe is fixed inside the casing, spring shape coil pipe lower extreme extends to the casing outside, the casing lower extreme is equipped with a water inlet, the water inlet is located spring shape coil pipe lower extreme opening one side.

The technical scheme of further improvement in the technical scheme is as follows:

1. in the scheme, the upper end and the lower end of the spring-shaped coil pipe are both of an open structure, and the distance between the upper end opening of the spring-shaped coil pipe and the upper end of the shell is 3-5 mm.

2. In the above scheme, the shell is a PPR plastic tank.

3. In the above scheme, the shell outside is equipped with the one deck heat preservation, the heat preservation is insulating insulation material, electromagnetic heating coil twines the heat preservation outside.

4. In the above scheme, the electromagnetic heating coils are respectively connected to different circuit boards and are all independently electrified.

5. In the above scheme, the water inlet on the sealing cover is connected with a water inlet pipe, and the opening at the lower end of the spring-shaped coil pipe is connected with a water outlet pipe.

6. In the scheme, the connection part of the spring-shaped coil pipe and the opening on the sealing cover is provided with the sealing material, and the center line of the spring-shaped coil pipe and the center line of the shell are on the same straight line.

7. In the above scheme, the spring-shaped coil is made of stainless steel.

8. In the above scheme, the electromagnetic heating coil is an electromagnetic induction coil.

9. In the above scheme, the outer diameter of the spring-shaped coil is 30 mm.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses electromagnetic heater, it sets up multiunit coil and increases the heating total power, heats the spring-shaped coil pipe of inside through electromagnetic induction coil, and spring-shaped coil pipe design is helical structure, increases the length of metal heating member, increases the area of contact with water, reaches better heat transfer effect; meanwhile, the water inlet of the spring-shaped coil is arranged above, water flow needs to enter from the water inlet below the shell and then flows into the shell from the opening at the top end of the spring-shaped coil to be heated, so that the contact area between the water flow and the shell is further increased, and a better heat exchange effect is achieved.

2. The utility model discloses electromagnetic heater, its single group coil is connected with solitary electromagnetic induction generation circuit board, reduces operating current to reduced circuit board electronic components's specification, prolonged electronic components's life simultaneously, the whole manufacturing cost of circuit board that can also greatly reduced adopts no matter coil or circuit board damage can all be changed alone when two sets of or multiunit coil and electromagnetic induction generation circuit board maintenance, has reduced cost of maintenance.

3. The utility model discloses electromagnetic heater, it sets up the heat preservation in the casing outside, can prevent thermal loss, further improves heating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

In the figure: 1. a housing; 2. a spring-shaped coil; 3. an electromagnetic heating coil; 4. a water inlet; 5. a sealing cover; 6. and (7) an insulating layer.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The invention will be further described with reference to the following examples:

example (b): an electromagnetic heater comprises a shell 1, a spring-shaped coil 2 and an electromagnetic heating coil 3, wherein the shell 1 is a PPR plastic tank with a sealing structure, the outer diameter of the shell is 50mm, the inner diameter of the shell is 40mm, a hole is formed in a sealing cover 5 at the lower end of the shell, the spring-shaped coil 2 is arranged in the hole, the spring-shaped coil 2 is fixed with the hole by a sealing material, the central line of the spring-shaped coil 2 is consistent with the central line of the shell 1, the spring-shaped coil 2 is made of stainless steel, the outer diameter of the spring-shaped coil is 30mm, the spring-shaped coil 2 is fixed in the shell 1, the upper end and the lower end of the spring-shaped coil 2 are both of an opening structure, the opening at the upper end of the spring-shaped coil is 3-5 mm away from the upper end of the shell 1, the lower end, the water inlet 4 is connected with a water inlet pipe, and the water inlet 4 is positioned on one side of the lower end opening of the spring-shaped coil pipe 2.

Electromagnetic heating coil 3 is equipped with two sets ofly, for electromagnetic induction coil, from the top down twines in proper order in the 1 outside of casing, the 1 outside of casing is equipped with one deck heat preservation 6, heat preservation 6 is insulating insulation material, and thickness 5mm, electromagnetic heating coil 3 twines in the 6 outsides of heat preservation, electromagnetic heating coil 3 connects respectively on the circuit board of difference, is independent circular telegram.

The above-mentioned contents of the present invention are further explained as follows:

the shell 1 is a sealing structure, a sealing cover 5 at the lower end of the shell is provided with two opening structures, one opening is a water inlet 4 and is connected with a water inlet pipe, water flow enters the shell 1 along the water inlet pipe, the other opening is fixedly connected with a spring-shaped coil 2, the spring-shaped coil 2 is positioned in the shell 1, the upper end part of the spring-shaped coil 2 is 3-5 mm away from the upper end part of the shell 1, the lower end part of the spring-shaped coil extends to the outer side of the opening at the lower end; a plurality of groups of electromagnetic heating coils 3 are wound on the outer side of the shell 1 and used for heating the spring-shaped coil 2 inside after being electrified;

during operation, rivers follow water inlet 4 and get into casing 1, and the water level rises to casing 1 upper cover department, and along 2 upper end openings of spring-shaped coil pipe 2 entering spring-shaped coil pipe 2, flow from 2 lower extreme delivery ports of spring-shaped coil pipe at last, and electromagnetic heating coil 3 switches on the power supply simultaneously, begins to heat.

The insulating and heat-insulating material layer is attached to the outer side of the shell 1 in the structure, two or more groups of electromagnetic induction coils are wound on a cylindrical structure of a tank body outside the heat-insulating material, a single group of coils are connected with an independent electromagnetic induction generating circuit board, the working current is reduced, the specification of electronic components of the circuit board is reduced, the service life of the electronic components is prolonged, the integral manufacturing cost of the circuit board can be greatly reduced, no matter the coils or the circuit board is damaged when the circuit board is maintained by adopting two or more groups of coils and electromagnetic induction generating circuit boards, the maintenance cost is reduced. The heating body can increase the total power by increasing the number of coil groups, and can be applied to other water heating fields (such as wall-mounted furnaces, heating furnaces, water boilers and the like) without limiting the field of water heaters.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. An electromagnetic heater, characterized by: including casing (1), spring shape coil pipe (2), electromagnetic heating coil (3) are equipped with at least two sets ofly, and the winding is in the casing (1) outside in proper order under the follow, casing (1) is seal structure, is equipped with a trompil on lower extreme sealed lid (5), is equipped with a spring shape coil pipe (2) in this trompil, spring shape coil pipe (2) are fixed inside casing (1), spring shape coil pipe (2) lower extreme extends to the casing (1) outside, casing (1) lower extreme is equipped with a water inlet (4), water inlet (4) are located spring shape coil pipe (2) lower extreme opening one side.

2. The electromagnetic heater of claim 1, wherein: the upper end and the lower end of the spring-shaped coil pipe (2) are both of an open structure, and the upper end opening is 3-5 mm away from the upper end of the shell (1).

3. The electromagnetic heater according to claim 1 or 2, characterized in that: the shell (1) is a PPR plastic tank.

4. The electromagnetic heater of claim 1, wherein: the shell is characterized in that a heat insulation layer (6) is arranged on the outer side of the shell (1), the heat insulation layer (6) is made of an insulating material, and the electromagnetic heating coil (3) is wound on the outer side of the heat insulation layer (6).

5. The electromagnetic heater of claim 1, wherein: the electromagnetic heating coils (3) are respectively connected to different circuit boards and are independently electrified.

6. The electromagnetic heater of claim 1, wherein: the water inlet (4) on the sealing cover (5) is connected with a water inlet pipe, and the opening at the lower end of the spring-shaped coil pipe (2) is connected with a water outlet pipe.

7. The electromagnetic heater of claim 1, wherein: the joint of the spring-shaped coil (2) and the opening of the sealing cover (5) is provided with a sealing material, and the center line of the spring-shaped coil (2) and the center line of the shell (1) are on the same straight line.

8. The electromagnetic heater of claim 1, wherein: the spring-shaped coil (2) is made of stainless steel.

9. The electromagnetic heater of claim 1, wherein: the electromagnetic heating coil (3) is an electromagnetic induction coil.

10. The electromagnetic heater of claim 1, wherein: the outer diameter of the spring-shaped coil (2) is 30 mm.

Images