CN105299891A - Double-liner electric energy storage water heater - Google Patents
Double-liner electric energy storage water heater Download PDFInfo
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- CN105299891A CN105299891A CN201510534515.4A CN201510534515A CN105299891A CN 105299891 A CN105299891 A CN 105299891A CN 201510534515 A CN201510534515 A CN 201510534515A CN 105299891 A CN105299891 A CN 105299891A
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Abstract
The invention discloses a double-liner electric energy storage water heater. The double-liner electric energy storage water heater comprises an outer insulation shell, an electric heating element, a first liner, a second liner, a phase change energy storage material and a temperature sensor, wherein the first liner is arranged in the outer insulation shell; the second liner is arranged in the first liner; a gap between the inner wall of the first liner and the outer wall of the second liner is formed to an annular cavity; the electric heating element is arranged in the second liner; the phase change energy storage material is arranged in the annular cavity; the outer insulation shell is at least provided with a cold water joint, a hot water joint, an electric heating element joint and a temperature sensing port; one end of the electric heating element is matched with the electric heating element joint; the temperature sensor is arranged in the temperature sensing port; and the cold water joint and the hot water joint are respectively communicated with the second liner.
Description
Technical field
The invention belongs to household electrical appliance and energy storage, field of energy-saving technology, particularly relate to a kind of technology of electric heating energy storage equipment.
Background technology
Along with people's living standard and to the raising worked and living environment comfort level requires, electric energy etc. consumption is significantly increased thereupon, cause that energy resource consumption is too fast, environmental pollution increase, network load peak valley be excessive, peak load time the building energy consumption such as the supply of electric power wretched insufficiency problem that increases, the building energy consumption of current European and American developed countries has reached 40% of whole society's total energy consumption, about 30 % of national total energy consumption are accounted at China's building energy consumption, along with the development of economy, improving constantly of living standards of the people, the proportion of building energy consumption will increase further.Therefore, the development & application of energy-saving building technology has become one of hot issue of current building and building material field.
Phase-changing energy-storing is the important technology improving efficiency of energy utilization and protection of the environment; also be usually used in alleviating energy supply and demand both sides unmatched effective means on time, intensity and place; be with a wide range of applications in the field such as energy-conservation of the recycling of the utilization of solar energy, " peak load shifting " of electric power, used heat and waste heat, industry and civil buildings and air-conditioning, become worldwide study hotspot at present.Utilizing the latent heat of phase change of phase-change material to realize storage and the utilization of energy, contribute to improving efficiency and exploitation regenerative resource, is a very active forward position research direction in energy science and material science in recent years.
Under current overall situation, the technology such as low-carbon (LC), energy-conserving and environment-protective, accumulation of energy are prior development directions in the world.
On existing market, the product of civilian electric energy-accumulated water heater is considerably less.
Summary of the invention
The object of the invention is the demand for existing market, a kind of one reasonable in design, that structure is simple, volume is little, energy storage capacity is large two inner bag electricity energy-accumulated water heater is provided.
For achieving the above object, present invention employs following technical proposal: a kind of two inner bag electricity energy-accumulated water heater, comprise Surgery therapy housing, electrical heating elements, first inner bag, second inner bag, energy storage materials of phase change and temperature sensor, it is characterized in that, the first described inner bag is arranged in described Surgery therapy housing, the second described inner bag is arranged in the first described inner bag and space between the inwall of the first inner bag and the outer wall of the second inner bag forms a toroidal cavity, described electrical heating elements is arranged in the second described inner bag, described energy storage materials of phase change is arranged in described toroidal cavity, described Surgery therapy housing is at least provided with cold water interface, interface of hot water, electrical heating elements interface, temperature-sensitive mouth, one end of described electrical heating elements and described electrical heating elements interface adaptation, described temperature sensor is arranged in described temperature-sensitive mouth, described cold water interface and interface of hot water the second inner bag respectively with described is through.Usually, the phase transformation temperature points of energy storage materials of phase change is between 70 DEG C to 90 DEG C.
At above-mentioned one two inner bag electricity energy-accumulated water heater, it is characterized in that, described described electrical heating elements is stainless steel electrothermal tube.
At above-mentioned one two inner bag electricity energy-accumulated water heater, it is characterized in that, the outer wall of the second described inner bag is provided with entirety in the form of a ring or the some heat transmission fins of helical form, the outer wall of described heat transmission fin and the second described inner bag is fixed by interference fit or high-frequency welding.Usually, such design considerably increases the outer surface heat-conducting area of the second inner bag.Usually, fixed by high-frequency welding, be beneficial to heat transmission fin and contact more closely with the outer surface of the second inner bag, further enhance heat-conducting effect.In this technology, heat transmission fin to be looped around on the second inner bladder outer wall and and the second inner bladder outer wall mutual interference fit or integral by high-frequency welding, make electrical heating elements evenly can pass to energy storage materials of phase change in toroidal cavity quickly through heat transmission fin due to the heat produced after being energized, otherwise, when energy storage materials of phase change release heat, heat in toroidal cavity can be derived fast, also because the ring-type on the second inner bladder outer wall or spiral helicine heat transmission fin are separated into some layers the energy storage materials of phase change in toroidal cavity, greatly reduce the thickness in monolayer of energy storage materials of phase change, play the problem of phase separation preventing energy storage materials of phase change from use likely occurring, efficiently solve the heating of energy storage materials of phase change, heat conduction and the subject matter such as to be separated.
At above-mentioned one two inner bag electricity energy-accumulated water heater, it is characterized in that, described heat transmission fin outward flange is provided with some openings.
At above-mentioned one two inner bag electricity energy-accumulated water heater, it is characterized in that, the material of the first described inner bag is TRPP (FRPP), the second described inner bag and be stainless steel around the material of heat transmission fin on its external wall.
At above-mentioned one two inner bag electricity energy-accumulated water heater, it is characterized in that, described Surgery therapy housing comprises shell body and is in the insulation material between described shell body and the first inner bag.
Compared with prior art, the advantage that this Technology design is reasonable, structure is simple, volume is little, accumulation of energy is large.
Accompanying drawing explanation
Fig. 1 is one provided by the invention two inner bag electricity energy-accumulated water heater structural representation;
Fig. 2 is the structural representation of the second inner bladder outer wall coiling heat transmission fin provided by the invention; Fig. 3 is the corresponding top view of Fig. 2 provided by the invention.
In figure, Surgery therapy housing 1, electrical heating elements 2, first inner bag 3, second inner bag 4, energy storage materials of phase change 5, temperature sensor 6, toroidal cavity 7, heat transmission fin 8, cold water interface 10, interface of hot water 11, electrical heating elements interface 12, temperature-sensitive mouth 13, shell body 14, insulation material 15, opening 80.
Detailed description of the invention
Embodiment:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of two inner bag electricity energy-accumulated water heater, comprises Surgery therapy housing 1, electrical heating elements 2, first inner bag 3, second inner bag 4, energy storage materials of phase change 5 and temperature sensor 6.
First inner bag 3 entirety is in cylindrical shape, be arranged in Surgery therapy housing 1, second inner bag 4 entirety is in cylindrical shape, be arranged in the first inner bag 3, and the space between the outer wall of the inwall of the first inner bag 3 and the second inner bag 4 forms a toroidal cavity 7, electrical heating elements 2 is arranged in the second inner bag 4, energy storage materials of phase change 5 is arranged in toroidal cavity 7, Surgery therapy housing 1 is at least provided with cold water interface 10, interface of hot water 11, electrical heating elements interface 12, temperature-sensitive mouth 13, one end of electrical heating elements 2 and electrical heating elements interface 12 adaptation, temperature sensor 6 is arranged in temperature-sensitive mouth 13, cold water connect 10 and interface of hot water 11 respectively with the second inner bag 4 through, electrical heating elements 2 is the electrothermal tube of stainless steel.
The outer wall of the second inner bag 4 is provided with entirety heat transmission fin 8 in the shape of a spiral, the outer wall of heat transmission fin 8 and the second inner bag 4 is fixed by interference fit or high-frequency welding.Heat transmission fin 8 outward flange is provided with some openings 80.
The material of the first inner bag 3 is TRPP (FRPP), and the second inner bag 4 and the material around heat transmission fin 8 are on its external wall stainless steel.Surgery therapy housing 1 comprises shell body 14 and is in the insulation material 15 between shell body 14 and the first inner bag 3.
Energy storage materials of phase change 5 used by the present invention is high heat conduction inorganic phase-changing material, can prepare according to one of them formula of following composition and mass percentage content:
(1) energy-accumulation material 93%, nucleator 2%, modifier 1%, water 2%, enhanced thermal conduction material 2%;
(2) energy-accumulation material 93%, nucleator 0.5%, modifier 3%, water 2.5%, enhanced thermal conduction material 1%;
(3) energy-accumulation material 80%, nucleator 0.25%, modifier 0.1%, water 0.65%, enhanced thermal conduction material 19%;
(4) energy-accumulation material 99.4%, nucleator 0.25%, modifier 0.1%, water 0.1%, enhanced thermal conduction material 0.15%;
(5) energy-accumulation material 80%, nucleator 10%, modifier 4%, water 1%, enhanced thermal conduction material 5%;
(6) energy-accumulation material 81%, nucleator 0.4%, modifier 15%, water 3%, enhanced thermal conduction material 0.6%;
(7) energy-accumulation material 80%, nucleator 4%, modifier 0.7%, water 15%, enhanced thermal conduction material 0.3%.
Wherein, energy-accumulation material is crystalline hydrate salt, and this crystalline hydrate salt is one or several the mixture in ten hydrogen phosphate dihydrate sodium, ten sulfate dihydrate sodium, Sodium acetate trihydrate, barium hydroxide, five water sodium thiosulfate, calcium chloride hexahydrate, epsom salt, washing soda.Nucleator is carbonate or borate, and carbonate is one or several the mixture in calcium carbonate, brium carbonate, strontium carbonate, magnesium carbonate, and borate is borax.Modifier is polyacrylate emulsion or thickening powder, and thickening powder is one or several the mixture that denseness doubles in agent, instant all-transparent thickening powder, the transparent thickening powder of instant acid and alkali-resistance, all-transparent thickening powder, translucent thickening powder.Enhanced thermal conduction material is one or several the mixture in graphite, carbon dust, copper powder, carbon fiber, carborundum powder.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as Surgery therapy housing, electrical heating elements, the first inner bag, the second inner bag, energy storage materials of phase change, temperature sensor, toroidal cavity, heat transmission fin, cold water interface, interface of hot water, electrical heating elements interface, temperature-sensitive mouth, shell body, insulation material, opening herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. a two inner bag electricity energy-accumulated water heater, comprise Surgery therapy housing (1), electrical heating elements (2), first inner bag (3), second inner bag (4), energy storage materials of phase change (5) and temperature sensor (6), it is characterized in that, described the first inner bag (3) is arranged in described Surgery therapy housing (1), described the second inner bag (4) is arranged in described the first inner bag (3) and space between the inwall of the first inner bag (3) and the outer wall of the second inner bag (4) forms a toroidal cavity (7), described electrical heating elements (2) is arranged in described the second inner bag (4), described energy storage materials of phase change (5) is arranged in described toroidal cavity (7), described Surgery therapy housing (1) is at least provided with cold water interface (10), interface of hot water (11), electrical heating elements interface (12), temperature-sensitive mouth (13), one end of described electrical heating elements (2) and described electrical heating elements interface (12) adaptation, described temperature sensor (6) is arranged in described temperature-sensitive mouth (13), described cold water interface (10) and interface of hot water (11) the second inner bag (4) respectively with described is through.
2. one according to claim 1 two inner bag electricity energy-accumulated water heater, it is characterized in that, described electrical heating elements (2) is stainless steel electrothermal tube.
3. one according to claim 1 two inner bag electricity energy-accumulated water heater, it is characterized in that, the outer wall of described the second inner bag (4) is provided with entirety in the form of a ring or spiral helicine some heat transmission fins (8), the outer wall of described heat transmission fin (8) and described the second inner bag (4) is fixed by interference fit or high-frequency welding.
4. one according to claim 3 two inner bag electricity energy-accumulated water heater, is characterized in that, described heat transmission fin (8) outward flange is provided with some openings (80).
5. one according to claim 1 two inner bag electricity energy-accumulated water heater, it is characterized in that, the material of described the first inner bag (3) is TRPP (FRPP), and described the second inner bag (4) and the material around heat transmission fin (8) are on its external wall stainless steel.
6. one according to claim 1 two inner bag electricity energy-accumulated water heater, it is characterized in that, described Surgery therapy housing (1) comprises shell body (14) and is in the insulation material (15) between described shell body (14) and the first inner bag (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534515.4A CN105299891A (en) | 2015-08-24 | 2015-08-24 | Double-liner electric energy storage water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534515.4A CN105299891A (en) | 2015-08-24 | 2015-08-24 | Double-liner electric energy storage water heater |
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| CN105299891A true CN105299891A (en) | 2016-02-03 |
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| CN201510534515.4A Pending CN105299891A (en) | 2015-08-24 | 2015-08-24 | Double-liner electric energy storage water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865027A (en) * | 2016-05-17 | 2016-08-17 | 广东威博电器有限公司 | Phase change energy storage electric water heater |
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2015
- 2015-08-24 CN CN201510534515.4A patent/CN105299891A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865027A (en) * | 2016-05-17 | 2016-08-17 | 广东威博电器有限公司 | Phase change energy storage electric water heater |
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Application publication date: 20160203 |