CN2344720Y - Radiant and convection double functional electric heater - Google Patents

Abstract

The utility model discloses a domestic electric heater. In the utility model, a heating element is formed in the method that resistance wires are wound around a mica sheet or a mica tube in a spacing and separating way; a mica insulation layer and a heat radiating member with fins are matched with the heating element, and a protective outer cover and an electrical element are additionally installed. The utility model has the advantages of simple structure, easy fabrication, light weight, small size, direct temperature rise, fast heating, sufficient heat radiation, high electricity and heat converting rate, and low consumption; moreover, the utility model has the double efficiency of heat radiation and heat convection; so the utility model is an undated domestic electric heater easy to popularize.

Description

The difunctional electric heating device of radiation and convection current

The domestic electric heating warmer that relate to the utility model a kind of heat radiation and the two function of thermal convection current have both.

Household warming in the market has infrared ray quartz or halide torch pharoid and oily spit of fland thermal convection current warmer two classes.Can produce too strong light when the former uses, give the dazzling sensation of people, its a large amount of electric energy is converted into luminous energy, has reduced the electric heating conversion ratio widely, makes energy consumption higher.And the lamp tube service life of this warmer is limited, needs often to change fluorescent tube, uses trouble.Though latter's electric heating conversion ratio is higher.But it is slower to heat up when it uses, and needs nearly 1 hour just can reach predetermined temperature, and its volume heaviness moves difficulty simultaneously.Manufacturing cost height, complex manufacturing technology, thereby fetch long price are difficult to promote the use of in vast common people family.It also has a fatal shortcoming in addition---leakage of oil easily.In case leakage of oil just is difficult to repair.Generally only scrap.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provide a kind of simple in structure, in light weight, volume is little, easy to manufacture, cost is low, heating is fast, electric heating conversion ratio height, energy consumption are low, the difunctional electric heating device of being convenient to popularize.

The purpose of this utility model is to reach by following measure: this difunctional electric heating device is made up of heater element, insulating barrier, heat dissipation element, protection outer cover and temperature detect switch (TDS).Wherein heater element is on the outer surface of mica flat board or mica cylinder, at interval the mutually liftoff resistance wire that is tied with.Insulating barrier covers the front and rear surfaces or the surfaces externally and internally of heater element again tightly.Heat dissipation element is close to the outside of insulating barrier again.The protection outer cover covers heat dissipation element again.

It is lamellar that insulating barrier in the utility model both can be, and can be thin cylindric again.

It is plane that heat dissipation element in the utility model can be that back plane is, and the front is the plate of flute profile flap-like; Also can be that inner surface is the face of cylinder, the cylindrical shell of the radially uniform flute profile fins of outer surface; Be the face of cylinder with outer surface, inner surface radially uniform the cylindrical shell of some flute profile fins.The blackout processing has all been carried out on the surface of entire heat dissipation element simultaneously.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the schematic diagram of the utility model platy structure.

Fig. 2 is the profile of Fig. 1.

Fig. 3 is the schematic diagram of the utility model tubular structure.

Fig. 4 is the profile of Fig. 3.

The utility model is described in further detail below in conjunction with embodiment: this electric heating device is to be on the flat micarex by one as shown in Figure 1, at interval the mutually liftoff heater element (1) of expiring resistance wire that twines; Two are the insulating barrier (2) that flat micarex forms; Two back become the plane, and the front has the flute profile fin, and its whole outer surface has all been carried out the heat dissipation element (3) that blackout is handled; Metal makes netted protection outer cover (4) and temperature detect switch (TDS) (5) is formed.The heater element of this warmer (1) mediates, and insulation component (2) is clamped heater element (1) in tandem tightly.Again heat dissipation element (3) is tightly covered former and later two insulation components (2).And then on the outer mask of heat dissipation element (3), protect outer cover (4).Load onto temperature regulating switch (5) and other electrical equipment at last, just constitute the warmer of the 1st kind of embodiment of the utility model.

Be the 2nd kind of embodiment of the present utility model as shown in Figure 3.It is with mutually liftoff being wrapped on the columnar mica tube in resistance wire interval, forms center heater element (1).On the inside and outside surface of center heater element (1), tightly overlap last layer mica tube cylindraceous then respectively as insulating barrier (2), put its outer surface more respectively and be the face of cylinder on the inner surface of inner insulating layer 2-1, inner surface has the interior heat dissipation element (3-1) of flute profile radial fins.Simultaneously put its inner surface on the outer surface of external insulation layer (2-2) and be the face of cylinder, outer surface has the outer heat dissipation element (3-2) of flute profile radial fins, and entire heat dissipation element (3) has all been done the blackout processing.Use again in addition, lower flange (6) fuses center heater element (1), insulating barrier (2) and heat dissipation element (3).On its outer mask, protect outer cover (4) again.Mix temperature detect switch (TDS) (5) and other electrical equipment at last, just constituted the warmer of another kind of style.

During the work of this warmer, only need to connect power supply, the heating that will heat up rapidly of the resistance wire on the heater element, its heat spreads to the space rapidly by insulating barrier and heat dissipation element, forms the convection current of hot and cold air.Meanwhile the black coating on heat dissipation element surface also can form heat radiation the heat of heat dissipation element to radiation all around, so whole indoor temperature can raise rapidly.

The utility model has following advantage compared to existing technology: this warmer structure is simple, volume is little, weight Gently, quick heating, have heat radiation and thermal convection current double effects, heat radiation fully, electric heating conversion ratio height, energy consumption are low, are A kind of electric heating device of update.

Claims (4)

1. radiation and the difunctional electric heating device of convection current; form by heater element, insulating barrier, heat dissipation element, protection outer cover and temperature detect switch (TDS); it is characterized in that heater element (1) is on the outer surface of mica flat board or mica cylinder; the mutually liftoff resistance wire that is wound with in interval; insulating barrier (2) covers the front and rear surfaces or the surfaces externally and internally of heater element (1) again tightly; heat dissipation element (3) is close to the outside of insulating barrier (2) again, and protection outer cover (4) covers heat dissipation element (3) again.

2. electric heating device according to claim 1 is characterized in that insulating barrier (2) both can be lamellar, can be thin cylindric again.

3. electric heating device according to claim 1 and 2, it is plane to it is characterized in that heat dissipation element (3) can be that back plane is, and the front is the plate of flute profile flap-like; Also can be that inner surface is the face of cylinder, the cylindrical shell and the outer surface of the radially uniform flute profile fins of outer surface be the face of cylinder, the cylindrical shell of the radially uniform flute profile fins of inner surface.

4. the processing of all turning black of electric heating device according to claim 3, the whole surface that it is characterized in that heat dissipation element (3).

Images