A kind of energy-efficient electric heater
Technical field
The utility model relates to a kind of field of household appliances, specifically a kind of energy-efficient electric heater.
Background technology
Existing electric heater, conventionally adopt electrothermal tube heater, resistance heating wire's heating power in electrothermal tube conducts to electrothermal tube by the magnesia powder being filled in electrothermal tube, electrothermal tube heats the water in water heater liner, the heater of heat exchange pattern in this employing electrothermal tube, electrothermal efficiency is lower, power consumption power consumption; Simultaneously because electrothermal tube heater relies on the conduction that heats up of inner heater strip, so easily there is high-temperature oxydation or fusing in its inner heater strip, causes afterwards circuit breaker; And in order to promote the outside heat conduction efficiency of heater strip, so need to fill the fillers such as magnesia powder in electrothermal tube and between heater strip, packed density has directly determined the quality of conduction efficiency, and filler Density inhomogeneity easily causes electrothermal tube heating inhomogeneous, and product defect rate is higher.
In view of the situation, some producer has designed electromagnetic heating water heater, but the electromagnetic heater of this water heater is arranged on water receptacle outside conventionally, as coiled outside the tank, or the outside that is wrapped in water inlet pipe forms immediately heating water heater, the heat that the Electromagnetic Heating of this mode produces can be lost to outside inner bag, can not fully conduct to water to be heated.And due to the electromagnetic heater of this structure, inner bag courage body is heated up, and then conduct to the water in inner bag, so inner bag can not have coating, therefore need to adopt stainless steel inner bag, cost is higher, anti-couple-corrosion effect a little less than.
Utility model content
The utility model is the above-mentioned problems of the prior art of customer service, and a kind of high-efficiency heating, energy-saving and cost-reducing electric heater are provided.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of energy-efficient electric heater, comprise shell and inner bag, described electric heater is also provided with electromagnetic heater, described electromagnetic heater stretches into inner bag, and be fixed on inner bag by flange, described electromagnetic heater comprises electromagnetic wire coil, drum cavity volume and heat generating member, described electromagnetic wire coil is installed in drum cavity volume, heat generating member is installed on drum cavity volume outside, after electromagnetic wire coil energising, heat generating member is heated up, heat generating member heats the water in inner bag.
Technique scheme can also be further perfect by following technical measures:
Described drum cavity volume comprises cavity and terminal pad, and terminal pad is provided with the opening of cavity, and electromagnetic wire coil packs drum cavity volume into by opening, and described terminal pad is fixedly mounted on a side of inner bag by flange.Described cavity and terminal pad are formed in one or are sealed and matched.
Described electromagnetic wire coil comprises coil and winding bracket, and described coil is installed on winding bracket.Described winding bracket is provided with some coiling snap fits, and coil panel is on coiling snap fit.In described drum cavity volume, be provided with one or more layers electromagnetic wire coil.Described heat generating member is corrosion resistant plate or stainless steel cover body, and heat generating member is installed on drum cavity volume outside.The gap of the electromagnetic wire coil in described heat generating member and drum cavity volume is 5-15mm.
Described inner bag bottom is provided with water inlet tap, and electromagnetic heater is arranged on the top of water inlet tap, the downward-sloping inner bag that stretches into of electromagnetic heater.Described electric heater is also provided with fan, and described fan is installed between inner bag and shell, and the electromagnetic wire coil in drum cavity volume is lowered the temperature.
Compared with prior art, adopt after technique scheme, the utlity model has following advantage:
Electric heater described in the utility model is provided with electromagnetic heater, heat conversion is higher, thermal starting is fast, and electromagnetic wire coil itself can not produce heat substantially, the problem such as open circuit that can not occur that heater strip high-temperature oxydation in similar electrothermal tube heater or fusing causes; And do not need to fill the fillers such as magnesia powder, manufacture and packaging technology are simpler, the electrothermal tube of simultaneously having avoided causing because packed density the is inhomogeneous inhomogeneous problem of generating heat, therefore electromagnetic heater heating effect of the present utility model is good, and defect rate is low.
Meanwhile, electromagnetic heater of the present utility model gos deep into inner bag, and the heat that its electromagnetism the subject of knowledge and the object of knowledge transforms can fully conduct the water for heating inner liner, high-efficiency heating, economize on electricity consumption reduction; Adopt electromagnetic heater of the present utility model, the limitation of inner bag selection is reduced, can adopt the inner bag with erosion shield, cost, anti-couple-corrosion effect promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-electric heater;
Fig. 2 is the explosive view of the utility model embodiment mono-electromagnetic heater;
Fig. 3 is the cutaway view of the utility model embodiment mono-water heater;
Fig. 4 is the explosive view of the utility model embodiment bis-electromagnetic heaters;
Fig. 5 is the cutaway view of the utility model embodiment bis-water heaters.
Description of reference numerals:
1, shell; 2, inner bag; 3, electromagnetic heater; 31, electromagnetic wire coil; 311, coil; 312, winding bracket; 313, coiling snap fit; 32, drum cavity volume; 321, cavity; 322, terminal pad; 323, opening; 33, heat generating member; 4, flange; 5, water inlet tap; 6, fan.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment mono-:
As Fig. 1 to Fig. 3, a kind of energy-efficient electric heater, comprise shell 1 and inner bag 2, described electric heater is also provided with electromagnetic heater 3, described electromagnetic heater 3 stretches into inner bag 2, and be fixed on inner bag 2 by flange 4, described electromagnetic heater 3 comprises electromagnetic wire coil 31, drum cavity volume 32 and heat generating member 33, described electromagnetic wire coil 31 is installed in drum cavity volume 32, heat generating member 33 is installed on drum cavity volume 32 outsides, after electromagnetic wire coil 31 energisings, heat generating member 33 is heated up, the water in 33 pairs of inner bags 2 of heat generating member heats.Electric heater described in the utility model is provided with electromagnetic heater 3, directly respond to magnetic energy and heat-dissipating, so heat conversion is very high by its heat generating member 33 interior molecules, and thermal starting is also very fast.Simultaneously because electromagnetic wire coil itself can not produce heat substantially, and coil withstand temperature is higher, and the conventional electrothermal tube of existing water heater of comparing heater strip high-temperature oxydation or fusing can not occur and the problems such as opening circuit of causing.And electromagnetic heater 3 of the present utility model gos deep into inner bag 2, the heat that its electromagnetism the subject of knowledge and the object of knowledge transforms can fully conduct the water for heating inner liner, high-efficiency heating, economize on electricity consumption reduction.
As Fig. 2, described drum cavity volume 32 comprises cavity 321 and terminal pad 322, and terminal pad 322 is provided with the opening 323 of cavity, and electromagnetic wire coil 31 packs drum cavity volume 32 into by opening 323, and described terminal pad 322 is fixedly mounted on a side of inner bag 2 by flange 4.Described cavity 321 is formed in one or is sealed and matched with terminal pad 322.2 of described terminal pad 322 and inner bags are provided with seal washer 21.Five sides that drum cavity volume 32 cavitys 321 of the present utility model are arranged in inner bag are the anti-water inlet design of sealing, cavity 321 can adopt the anti-water inlet material of magnetic thoroughly such as glass, pottery, plastics, plastic-steel, and the one side that cavity 321 is connected with terminal pad 322 arranges opening 323.In the present embodiment, cavity 321 and terminal pad 322 are by one-body molded formation drum cavity volume 32; Also can adopt cavity 321 and terminal pad 322 moulding respectively, and utilize the mode of the connection of sealing ring sealing, sealing ring is for preventing that the water of inner bag from entering in drum cavity volume 32.
Described electromagnetic wire coil 31 comprises coil 311 and winding bracket 312, and described coil 311 is installed on winding bracket 312.Described winding bracket 312 is provided with some coiling snap fits 313, and coil 311 is coiled on coiling snap fit 313.In described drum cavity volume 32, be provided with one or more layers coil 311.In the present embodiment, in drum cavity volume 32, be provided with double-deck electromagnetic wire coil 31.Described heat generating member 33 is corrosion resistant plate or stainless steel cover body, and heat generating member 33 is installed on drum cavity volume 32 outsides.As Fig. 3, in the present embodiment, heat generating member 33 adopts corrosion resistant plate, simultaneously in order farthest to utilize electromagnetic energy, in the both sides up and down of drum cavity volume 32, is all provided with corrosion resistant plate.Corrosion resistant plate and electromagnetic wire coil 31 be arranged in parallel, and described heat generating member 33 is 5-15mm with the gap of electromagnetic wire coil 31.Described inner bag 2 bottoms are provided with water inlet tap 5, and electromagnetic heater 3 is arranged on the top of water inlet tap 5, the downward-sloping inner bag 2 that stretches into of electromagnetic heater 3.Electromagnetic heater 3 is arranged on the top of water inlet tap 5, and the cold water that heat generating member 33 can be flowed into water inlet tap 5 stops buffering; And the downward-sloping inner bag 2 that stretches into of electromagnetic heater 3, makes the more close water inlet tap 5 of heat generating member 33, the cold water immediately water inlet tap 5 being flowed into carries out heat temperature raising, weakens the impact of cold water flow-disturbing.Meanwhile, electromagnetic heater 3 is downward-sloping stretches into the length that inner bag 2 can suitably increase electromagnetic heater 3, to promote the heating surface (area) (HS of heat generating member 33 and the length of coil 311 and to be wound around area, promotes heating power.
As Fig. 1, described electric heater is also provided with fan 6, and described fan 6 is installed between inner bag 2 and shell 1, and the electromagnetic wire coil 31 in drum cavity volume 32 is lowered the temperature.Described fan 6 is positioned at opening 323 places of drum cavity volume 32.The downward-sloping inner bag 2 that stretches into of electromagnetic heater 3, based on hot air rising, the principle that cold air declines, is conducive to the heat radiation of drum cavity volume 32, is aided with fan 6 and accelerates Air Flow, has and reaches better cooling-down effect.
The electromagnetic heater 3 of the present utility model existing electric heating pipe type heater of comparing, owing to not needing to fill the fillers such as magnesia powder, manufacture and packaging technology are simpler, the electrothermal tube of simultaneously having avoided causing because packed density the is inhomogeneous inhomogeneous problem of generating heat, therefore electromagnetic heater 3 heating effects of the present utility model are good, and defect rate is low.And electromagnetic heater 3 of the present utility model is owing to stretching into inner bag 2, by the water in 33 pairs of inner bags of heat generating member, heat up, thereby the limitation of inner bag selection is reduced, and can adopt the inner bag with erosion shield, in the present embodiment, can select the inner bag of the attached enamel coating of iron, cost, anti-couple-corrosion effect promoting.
Embodiment bis-:
The present embodiment and embodiment mono-difference are, as Fig. 3 and Fig. 4, described heat generating member 33 is stainless steel cover body, heat generating member 33 is sheathed on drum cavity volume 32 outsides, a winding bracket 312 is installed in drum cavity volume 32, and the upper and lower surface of winding bracket 312 is wound around lattice coil 311, and the present embodiment is wound around lattice coil 311 on a winding bracket 312, strengthen magnetic induction, can effectively promote the heating power of heat generating member 33.In the present embodiment, the horizontal straight cutting of electromagnetic heater 3 enters inner bag 2, this structure can be simplified the manufacturing process of drum cavity volume 32, electromagnetic heater 3 is positioned at the middle level of inner bag simultaneously, upper and lower two-layer waters is heated respectively, accelerated the programming rate to superjacent waters, be conducive to water temperature delamination in inner bag, that leaving water temperature can be controlled is more evenly comfortable.
Embodiment tri-:
The present embodiment and embodiment bis-differences are, electromagnetic heater 3 is set to the top that horizontal straight cutting enters inner bag 2 and is positioned at inner bag, on inner bag, corresponding installation opening and flange are also correspondingly positioned at the upper position of inner container side surface, this structure setting has been accelerated the programming rate of delivery port Its Adjacent Waters, the water use model that is applicable to plug and play, makes electric heater energy-saving fast-heating more.
Embodiment tetra-:
The present embodiment and embodiment tri-differences are, electromagnetic heater 3 is set to the bottom that horizontal straight cutting enters inner bag 2 and is positioned at inner bag, on inner bag, corresponding installation opening and flange are also correspondingly positioned at the lower position of inner container side surface, this structure can better cushion water inlet, make to be distributed in into water along electromagnetic heater 3 bottom levels inner bag bottom, be beneficial to the formation of water temperature delamination phenomenon from the bottom to top in inner bag, make leaving water temperature more evenly comfortable, effectively promote hot water delivery rate.
Above-mentioned embodiment is only optimization embodiment of the present utility model, not whole embodiment of the present utility model, according to principle of the present utility model, those skilled in the art can make various changes and distortion, only otherwise depart from spirit of the present utility model, all should belong to the defined scope of the utility model claims.