CN208588075U - A kind of energy-saving induction heating apparatus - Google Patents

Abstract

The utility model discloses a kind of energy-saving induction heating apparatus, comprising: inside sets the metallic heating body of hot-water cavity, the second end of the hot-water cavity is equipped with the hot-water line for hot water to be discharged；It is set in the first insulation tube of metallic heating body lateral surface, heating chamber between first insulation tube and metallic heating body, the first end of the heating chamber is connected to the first end of hot-water cavity；It is wrapped in the electromagnetic induction coil of the first insulation tube lateral surface；The water-cooling structure of electromagnetic induction coil lateral surface is set, and a wherein end for the water-cooling structure is set as cold water inlet, the second end of another end connection heating chamber of the water-cooling structure.The heat that the utility model absorbs electromagnetic induction coil by the way that water-cooling structure is arranged on the outside of electromagnetic induction coil preheats cold water, and heat utilization rate can be improved and reduce the probability that overheat dry combustion method damage occurs for electromagnetic induction coil.

Description

A kind of energy-saving induction heating apparatus

Technical field

The utility model relates to induction heating techniques, more particularly, to a kind of energy-saving induction heating apparatus.

Background technique

By taking electromagnet water heater as an example, electromagnet water heater is a kind of typical induction heating apparatus, is passed through using high-frequency current Electromagnetic induction coil generates electromagnetic field, and the heater (for example, heater mostly uses greatly metal tube) in electromagnetic field, which incudes, to be produced Raw eddy-current heating, so that the cold water for conveying metal tube contact is heated.Since induction coil itself has certain resistance etc. various Reason, electromagnetic induction coil can all have fever phenomenon during the work time, not only may be used if the electromagnetic induction coil fever the serious Can cause overheat dry combustion method damage, it is also possible to because induction coil production heat and surrounding air carry out heat exchange distribute not by It is lower using the efficiency for causing electric energy to be converted into heater thermal energy, it is unfavorable for energy saving.

Utility model content

The utility model proposes a kind of energy-saving induction heating apparatuses, by the way that water cooling knot is arranged on the outside of electromagnetic induction coil The heat that structure absorbs electromagnetic induction coil preheats to improve heat utilization rate cold water.

The utility model discloses a kind of energy-saving induction heating apparatus, comprising: inside sets the metallic heating body of hot-water cavity, the heat The second end of water cavity is equipped with the hot-water line for hot water to be discharged；It is set in the first insulation tube of metallic heating body lateral surface, it should Heating chamber between first insulation tube and metallic heating body, the first end of the heating chamber are connected to the first end of hot-water cavity；It twines It is wound on the electromagnetic induction coil of the first insulation tube lateral surface；What the heat for absorbing electromagnetic induction coil preheated cold water Water-cooling structure, the water-cooling structure are arranged in the electromagnetic induction coil lateral surface, and a wherein end for the water-cooling structure is set as cold Water water inlet, the second end of another end connection heating chamber of the water-cooling structure.

Wherein, the both ends of induction heating apparatus are respectively equipped with intake end cover and water outlet end cap；The intake end cover is equipped with Water inlet for being connected to external cold water source, an end of water-cooling structure be fixed on intake end cover and with water inlet phase Connection；Water outlet is covered with water-guiding hole, and another end of water-cooling structure is fixed on water outlet and covers and by water-guiding hole and heating The second end of chamber is connected.

Wherein, water-cooling structure includes the water cooling tube for being wrapped in electromagnetic induction coil lateral surface.

Wherein, water-cooling structure includes: the second insulation tube for being set in electromagnetic induction coil lateral surface, is set in the second insulation The outer chamber of pipe lateral surface has preheating cavity between second insulation tube and outer chamber.

Wherein, the second insulation tube is made of glass, silicon wafer or quartz material.

Wherein, both the second insulation tube and outer chamber are structure as a whole.

Wherein, both the second insulation tube and outer chamber are integrally formed glass chamber, the annulus tubular for being set as annulus tubular Silicon wafer cavity or annulus tubular quartzy silicon wafer cavity.

Wherein, cooling fin is equipped in annulus or helical arrangement in the inner surface of the second insulation tube.

Wherein, the induction heating apparatus further include: the spire being set on metallic heating body, for driving spire to turn One end of dynamic rotation section, the rotation section and spire is fixedly linked.

Wherein, rotation section is turbine or impeller.

Compared with prior art, the utility model has the following beneficial effects:

Water-cooling structure is arranged by the lateral surface in electromagnetic induction coil in the utility model, using being heated Cold water absorb the heat that generates to electromagnetic induction coil, reach and cold water preheated to improve heat utilization rate, and have Dry combustion method damage occurs conducive to radiating and cooling is carried out to electromagnetic induction coil to prevent electromagnetic induction coil hot-spot, to mention The high functional reliability of induction heating apparatus.

Detailed description of the invention

Fig. 1 is the decomposed structural schematic diagram of induction heating apparatus.

Fig. 2 is the schematic perspective view of induction heating apparatus in the 1st embodiment.

Fig. 3 is the schematic diagram of internal structure of induction heating apparatus in the 2nd embodiment.

Specific embodiment

Further to illustrate that the application is the technical means and efficacy reaching predetermined purpose and being taken, below in conjunction with attached drawing And preferred embodiment, to specific embodiment, structure, feature and its effect according to the application, detailed description is as follows.Following In explanation, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, in one or more embodiments Special characteristic, structure or feature can be combined by any suitable form.

.The utility model proposes induction heating apparatus include: in set the metal of hot-water cavity Heater 1, the second end of the hot-water cavity are equipped with the hot-water line 81 for hot water to be discharged；It is set in 1 lateral surface of metallic heating body The first insulation tube 2, between the medial surface of first insulation tube 2 and the lateral surface of metallic heating body 1 with gap formed plus Hot chamber 3；It is wrapped in the electromagnetic induction coil 6 of 2 lateral surface of the first insulation tube, the electromagnetic induction coil 6 and external high-frequency alternating Current electrical connection generates vortex to generate alternating magnetic field by metallic heating body 1 to generate heat；For absorbing electromagnetic induction coil 6 Heat water-cooling structure that cold water is preheated, which is arranged in 6 lateral surface of electromagnetic induction coil, the water cooling knot A wherein end for structure is set as cold water inlet, and the second end of another end connection heating chamber 3 of the water-cooling structure should add The first end of hot chamber 3 is connected to the first end of hot-water cavity.

Cold water enters in water-cooling structure from the cold water inlet of water-cooling structure, which is arranged in electromagnetic induction line 6 lateral surfaces are enclosed to carry out heat exchange with electromagnetic induction coil 6, so that the cold water in water-cooling structure absorbs electromagnetic induction coil 6 Partial heat achieve the purpose that preheating cold water, while the effect of also allow electromagnetic induction coil 6 to reach radiating and cooling to prevent Only dry combustion method damage occurs for overheat；Then, the water after preheating enters the second end of heating chamber 3 from water-cooling structure, and water is from heating chamber 3 Second end move to the first end of heating chamber 3 during and water when being flowed in hot-water cavity, all generate heat with metal Body 1 carries out heat exchange to be heated, and hot water is finally discharged from hot-water line 81.

Also, the both ends of the induction heating apparatus are respectively equipped with intake end cover 7 and water outlet end cap 8.On the intake end cover 7 Equipped with water inlet 70, it is connected to by the water inlet 70 with external cold water source, an end of water-cooling structure is fixed on water inlet end It is connected on lid 7 and with water inlet 70.It is discharged end cap 8 and is equipped with water-guiding hole 80, another end of water-cooling structure is fixed on water outlet It is connected on lid 8 and by water-guiding hole 80 with the second end of heating chamber 3.

In the 1st embodiment shown in Fig. 2, water-cooling structure includes the water cooling tube for being wrapped in 6 lateral surface of electromagnetic induction coil 50。

In the 2nd embodiment shown in Fig. 3, water-cooling structure include: be set in 6 lateral surface of electromagnetic induction coil second absolutely Edge pipe 51 is set in the outer chamber 52 of 51 lateral surface of the second insulation tube, has between second insulation tube 51 and outer chamber 52 pre- A wherein end for hot chamber 53, the preheating cavity 53 is connected with water inlet 70, and an another wherein end for the preheating cavity 53 is by leading Water hole 80 is connected with the second end of heating chamber 3.Therefore, cold water is introduced into preheating cavity 53, by the second insulation tube 51 and electricity Magnetic induction coil 6 carries out heat exchange to take away the partial heat of electromagnetic induction coil 6, plays by preheating cold water and to electromagnetism The effect of 6 radiating and cooling of induction coil.

Certainly, cold water and electromagnetic induction can be improved if the material good using heating conduction is made in the second insulation tube 51 Capacity of heat transmission between coil 6, for example, the second insulation tube 51 is made of glass, silicon wafer, quartz material.Furthermore certainly, Both two insulation tubes 51 and outer chamber 52 can be structure as a whole.For example, second absolutely at this time when the first insulation tube 2 is cylindric Edge pipe 51 and outer chamber 52, which are integrally formed, shows as the annulus tubular cavity for being set to 6 lateral surface of electromagnetic induction coil, usually Show as the quartzy silicon wafer cavity of the glass chamber of annulus tubular, the silicon wafer cavity of annulus tubular or annulus tubular.

Furthermore surface is thermally contacted between cold water and the second insulation tube 51 in order to increase in preheating cavity 53, in the second insulation The inner surface of pipe 51 is equipped with several cooling fins, allows cold water to have to flow through cooling fin when flowing through from preheating cavity 53, to promote cold water With the capacity of heat transmission between the second insulation tube 51, the radiating and cooling ability to electromagnetic induction coil 6 is improved.Cooling fin is a piece of Or multi-disc, it is arranged on the inner sidewall of the second insulation tube 51 in annulus or helical arrangement.Certainly, cooling fin and the second insulation tube 51 It may be integral structure, cooling fin and the second insulation tube 51 or separated structure, for example, cooling fin is spiral helicine copper Piece, the copper sheet are arranged in preheating cavity 53 and adequately thermally contacts with the second insulation tube 51 connected to allow the second insulation tube 51 Heat can pass to rapidly copper sheet, and copper sheet can increase with the contact area of water in preheating cavity 5 to improve in preheating cavity 5 Radiating and cooling ability of the water to electromagnetic induction coil 6.

Furthermore as shown in connection with fig. 1, induction heating apparatus further include: the spire 92 being set on metallic heating body 1 (for example, spire 92 is a spring), an end and the rotation section 91 of the spire 92 are fixedly linked, thus 91 band of rotation section Dynamic spire 92 rotates.Wherein, rotation section 91 is turbine or impeller.Also, since metal heat-generating pipe 1 is located in heating chamber 3 Part is the consistent cylindrical shape of outer diameter, therefore the internal diameter in spiral stream guidance portion 92 is 2 ~ 10mm bigger than the outer diameter of metallic heating body 1, to make Spire 92 is tightly attached to the outer surface of metallic heating body 1.It is rotated when rotation section 91 is generated by the water slug for entering heating chamber 3, Rotation section 91 drives spire 92 to rotate synchronously, the spire 92 be not only cold water move to from the second end of heating chamber 3 plus Guiding role is provided in the flow process of the first end of hot chamber 3, is also tightly attached to 1 outer surface of metallic heating body during rotation It rotates, the foreign matters such as the scale that may be deposited in 1 outer surface of metallic heating body can be scraped in rotation process, to make metal 1 outer surface of heater thoroughly generates scale without chance, it is ensured that will not be because of the heat-exchange capacity of metallic heating body 1, it can be with Thoroughly solve the technical problem for causing electromagnetic induction coil 6 dry combustion method damage occur because generating scale on metallic heating body 1.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of energy-saving induction heating apparatus, comprising: inside set the metallic heating body of hot-water cavity, the second end of the hot-water cavity is set There is the hot-water line for hot water to be discharged；It is set in the first insulation tube of metallic heating body lateral surface, first insulation tube and metal Heating chamber between heater, the first end of the heating chamber are connected to the first end of hot-water cavity；It is wrapped in outside the first insulation tube The electromagnetic induction coil of side；It is characterized by further comprising: the heat for absorbing electromagnetic induction coil preheats cold water Water-cooling structure, the water-cooling structure be arranged in the electromagnetic induction coil lateral surface, a wherein end for the water-cooling structure is set as Cold water inlet, the second end of another end connection heating chamber of the water-cooling structure.

2. energy-saving induction heating apparatus according to claim 1, which is characterized in that distinguish at the both ends of induction heating apparatus Equipped with intake end cover and water outlet end cap；The intake end cover is equipped with the water inlet for being connected to external cold water source, water cooling One end of structure is fixed on intake end cover and is connected with water inlet；Water outlet is covered with water-guiding hole, water-cooling structure it is another One end is fixed on water outlet and covers and be connected by water-guiding hole with the second end of heating chamber.

3. energy-saving induction heating apparatus according to claim 1, which is characterized in that water-cooling structure includes being wrapped in electromagnetism sense Answer the water cooling tube of coil lateral surface.

4. energy-saving induction heating apparatus according to claim 1, which is characterized in that water-cooling structure includes: to be set in electromagnetism Second insulation tube of induction coil lateral surface is set in the outer chamber of the second insulation tube lateral surface, second insulation tube and exocoel There is preheating cavity between body.

5. energy-saving induction heating apparatus according to claim 4, which is characterized in that the second insulation tube by glass, silicon wafer or Quartz material is made.

6. energy-saving induction heating apparatus according to claim 5, which is characterized in that both the second insulation tube and outer chamber are Integral structure.

7. energy-saving induction heating apparatus according to claim 6, which is characterized in that both the second insulation tube and outer chamber one The quartzy silicon wafer cavity of the body formed glass chamber for being set as annulus tubular, the silicon wafer cavity of annulus tubular or annulus tubular.

8. energy-saving induction heating apparatus according to claim 4, which is characterized in that the second insulation tube inner surface in circle Ring or helical arrangement are equipped with cooling fin.

9. -8 any one energy-saving induction heating apparatus according to claim 1, which is characterized in that the induction heating apparatus Further include: the spire being set on metallic heating body, the rotation section for driving spire to rotate, the rotation section and spire An end be fixedly linked.

10. energy-saving induction heating apparatus according to claim 9, which is characterized in that rotation section is turbine or impeller.