CN106524484A - Energy saving and heat preserving type electric water heater - Google Patents

Energy saving and heat preserving type electric water heater Download PDF

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Publication number
CN106524484A
CN106524484A CN201611028240.8A CN201611028240A CN106524484A CN 106524484 A CN106524484 A CN 106524484A CN 201611028240 A CN201611028240 A CN 201611028240A CN 106524484 A CN106524484 A CN 106524484A
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CN
China
Prior art keywords
inner bag
water
parts
heater
temperature sensor
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Pending
Application number
CN201611028240.8A
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Chinese (zh)
Inventor
张鲁云
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Guangxi University
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Guangxi University
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Priority to CN201611028240.8A priority Critical patent/CN106524484A/en
Publication of CN106524484A publication Critical patent/CN106524484A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • C08L75/08Polyurethanes from polyethers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/20Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021Storage heaters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00Manufacture of cellular products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/14Applications used for foams

Abstract

The invention provides an energy saving and heat preserving type electric water heater and belongs to the technical field of water heater water tanks. The energy saving and heat preserving type electric water heater comprises a shell, wherein three liners are distributed in the shell from top to bottom, and heat preserving layers are arranged between the shell and the liners. According to the water heater, three liners are adopted, hot water rapidly and preferentially reaches a hot water outlet by skillfully arranging a mode for connecting a water inlet, the water outlet and the liners according to the principles that hot water rises and cold water drops, and a purpose of rapidly getting hot water is achieved. A common water heater is only provided with a temperature sensor for detecting the temperature of the water outlet, but the energy saving and heat preserving type electric water heater realizes graded heating by arranging a plurality of temperature sensors and a plurality of heating devices in different liners, thereby being more accurate to control. The water heater has the advantages of being high in water temperature rise speed, being great and lasting in heat preserving effect, being safe and healthy in use and the like.

Description

A kind of energy-saving heat-insulating electric heater
【Technical field】
The present invention relates to water-heater water tank technical field, and in particular to a kind of energy-saving heat-insulating electric heater.
【Background technology】
Due to install it is simple, using reasons such as safe and convenient, low prices, electric heater is extensively to receive people in water heater category One kind for welcoming.The target of the efficient of electric heater, energy-conservation, the power saving always diligent pursuit of water heater industry.However, at present Heat storage electric water heater yet suffers from following defect:1st, the attemperater for using is generally the cisten mechanism of single inner bag, cold water pipe Enter from attemperater bottom, hot-water line is drawn from attemperater top, the hot water in water tank is difficult to be rapidly achieved use requirement. For this problem, the water heater with double inner bags or how inner container insulated water tank is occurred in that on the market.However, existing pair of inner bag or Connecting tube between more inner container insulated water tank is using simple connection so that the coolant-temperature gage difference between different inner bags is little, it is difficult to real The quick rising of existing water temperature, the life for giving people are made troubles.2nd, the heat-insulation layer in attemperater is common polyurethane ester bubble Foam, heat insulating ability, useful life longevity are not enough, and user is substantially reduced using heat-insulating property after 2 years;3rd, it is internal after water heater Long-Time Service There are a large amount of dirts, cleaning is difficult, and water storage all the year round in water heater, and antibacterial ability be poor, the such as long period without formation stagnant water, Breed bacteria is easy for, it is unfavorable to user's health.
【The content of the invention】
The present invention goal of the invention be:For above-mentioned problem, there is provided a kind of energy-saving heat-insulating electric heater, should Water heater have the advantages that water temperature raise fast, high insulating effect and persistently, using safety and Health.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of energy-saving heat-insulating electric heater, including shell, are disposed with the 3rd inner bag from top to bottom in inside the shell, in second Courage and the first inner bag, between the shell and the first inner bag, the second inner bag, the 3rd inner bag and the first inner bag and the second inner bag it Between, be provided with heat-insulation layer in the cavity between the second inner bag and the 3rd inner bag;It is provided with the top of the shell and connects with the 3rd inner bag Steam vent, the side of shell is communicated with the water inlet of the first inner bag bottom, and the opposite side of shell is communicated with the 3rd inner bag The delivery port on top;It is provided with connection the first inner bag and second away from water inlet between first inner bag and the second inner bag First communicating pipe of courage, water outlet is provided with connection the second inner bag and the 3rd between second inner bag and the 3rd inner bag Second communicating pipe of inner bag;The first temperature sensor of test water temperature is provided with the mouth of pipe of first connection, described second connects The second temperature sensor of test water temperature is provided with the mouth of pipe of siphunculus;The electric heater also includes controller and is respectively provided with Secondary heater, primary heater inside the second inner bag, the first inner bag;The controller and first TEMP Device, second temperature sensor, secondary heater and primary heater are electrically connected, to according to first temperature sensor The primary heater and secondary heater work are controlled with the temperature value of second temperature sensor detection.
Further improvement is that, first inner bag, the second inner bag, the inwall of the 3rd inner bag are equipped with antibiotic layer.
Further improvement is that, the heat-insulation layer is by 3050 3-5 parts of polyethers, 4110 10-15 parts of polyethers, polyethers 2043 8-15 parts, trifluoro propyl silicone oil 0.3-0.5 parts, water 5-8 parts, hexamethylene diisocyanate 0.8-1.5 parts, volcanic ash 1-2 parts, Asbestos wool 3-6 parts, crosslinking agent 0.1-0.2 parts, kicker 0.3-0.5 parts and fire retardant 4-6 parts.
Further improvement is that, it is 1-3 that the kicker is mass ratio:2:7 isooctyl acid copper, generation -4- pyrimidine first Hydrochlorate and Dabco TMR-4.
Further improvement is that, the crosslinking agent is BDO, EG or DEG.
Further improvement is that, the decrease speed of the temperature that the controller is detected according to the first temperature sensor is controlling The primary heater work.
Further improvement is that, the electric heater also includes the display screen on outer cover of water heater and is located at out Three-temperature sensor at the mouth of a river, the controller are electrically connected with the display screen and three-temperature sensor, are used for Receive temperature that three-temperature sensor tests and passed through the display screen and be shown to user.
Further improvement is that, the primary heater and secondary heater surface are designed with insulating barrier.
In sum, as a result of above-mentioned technical proposal, the invention has the beneficial effects as follows:
1st, water heater of the invention employs three inner bags, rises the principle that cold water declines according to hot water, by water inlet Mouth, the connected relation between delivery port, inner bag carry out ingenious setting, make hot water quickly preferentially reach hot water exit, reach quick Take the purpose of hot water.Common water heater only arranges the temperature that a temperature sensor detects delivery port, and the present invention passes through Multiple temperature sensors and multiple heaters are set in different inner bags, progressive solution is realized, from more precise control.
2nd, water heater of the invention employs the insulation material after Optimal improvements, is by polyethers 3050, polyethers 4110 Coordinate through certain proportion with polyethers 2043, addition kicker, addition trifluoro propyl silicone oil make foam stabilizer, addition crosslinking agent And auxiliary agent volcanic ash and asbestos wool, there is polymerisation with hexamethylene diisocyanate and make, wherein polyethers 3050, polyethers 4110 and polyethers 2043 the characteristics of have different, three is coordinated by certain proportion, is had complementary advantages, can make expanded material acquisition compared with Rate of closed hole well, intensity and relatively low density;Catalyst by isooctyl acid copper, generation -4- pyrimidinecarboxylic acid salt, Dabco TMR-4 according to Certain proportion is mixed, and on the one hand can postpone initial stage foaming, and the time for giving abundance, to make raw material be covered with inside the shell to be filled Cavity, on the other hand the setting rate in later stage of foaming, improve production efficiency can be improved.Trifluoro propyl silicone oil can promote other Auxiliary agent uniformly mixing dispersion in reactant, generates uniform fine and closely woven abscess, the shrinkage factor after reduction is foam-formed.Volcanic ash and Asbestos wool can suitably increase the percent opening of polyurethane hard foam, and can delay foamable gel and curing rate, prevent foam because In short time, accumulation strength greatly and easily extrudes inner bag and outer wall, reduces the generation of " bad foam ", while reducing foam-formed Shrinkage factor afterwards.Crosslinking agent is used for the intensity and durability for increasing Foamex.Gained polyurethane foam has preparation convenient, protects Warm good heat-insulation effect, the low advantage of molding shrinkage;Effect of significantly insulation, energy-conservation is played for electric heater.
【Description of the drawings】
Fig. 1 is a kind of structural representation of energy-saving heat-insulating electric heater of the invention;
Fig. 2 is part control principle drawing in a kind of energy-saving heat-insulating electric heater of the invention;
Wherein, 1- shells, 2- heat-insulation layers, 3- water inlets, the first inner bags of 4-, 5- secondary heaters, the second inner bags of 6-, 7- Two communicating pipes, 8- second temperature sensors, the 3rd inner bags of 9-, 10- steam vents, 11- delivery ports, 12- three-temperature sensors, The first temperature sensors of 13-, the first communicating pipes of 14-, 15- primary heaters, 16- controllers, 17- display screens.
【Specific embodiment】
In order to more clearly express the present invention, below by way of specific embodiment and combine accompanying drawing to the present invention make furtherly It is bright.
As shown in figure 1, a kind of electric heater, including shell 1, it is preferred to use ABS engineering plastic materials are made;In shell 1 Threeth inner bag 9, second inner bag 6 and first inner bag 4 be disposed with from top to bottom inside, the material of inner bag can be enamel material or not Rust steel, and the first inner bag 4, the second inner bag 6, the inwall of the 3rd inner bag 9 are provided with antibiotic layer.In order to strengthen heat insulation effect, in shell 1 Between the first inner bag 4, the second inner bag 6, the 3rd inner bag 9 and between the first inner bag 4 and the second inner bag 6, the second inner bag 6 and Heat-insulation layer 2 is provided with cavity between three inner bags 9, heat-insulation layer 2 adopts light weight, the polyurethane foam material of high insulating effect; The top of shell 1 is provided with the steam vent 10 connected with the 3rd inner bag 9.The side of shell 1 is communicated with entering for 4 bottom of the first inner bag The mouth of a river 3, the opposite side of shell 1 are communicated with the delivery port 11 on 9 top of the 3rd inner bag.
Current between three inner bags can be with intercommunication, and its annexation is, remote between the first inner bag 4 and the second inner bag 6 The first communicating pipe 14 of the first inner bag 4 of connection and the second inner bag 6, the second inner bag 6 and the 3rd inner bag 9 are provided with away from water inlet 11 Between away from be provided with delivery port 11 connection the second inner bag 6 and the 3rd inner bag 9 the second communicating pipe 7;
For more precise control water temperature, first that test water temperature is provided with one of mouth of pipe of the first communicating pipe 14 is warm Degree sensor 13, is provided with the second temperature sensor 8 of test water temperature at the mouth of pipe of the second communicating pipe 7;And 16 He of controller is set It is separately positioned on secondary heater 5 inside the second inner bag 6, the first inner bag 4, primary heater 15.As shown in Fig. 2 controller 16 are electrically connected with the first temperature sensor 13, second temperature sensor 8, secondary heater 5 and primary heater 15, to Primary heater 15 and the second heating are controlled according to the temperature value of the first temperature sensor 13 and the detection of second temperature sensor 8 Device 5 works.And can be preferred, the decrease speed of the temperature that controller 16 is detected according to the first temperature sensor 13 is come described in controlling Primary heater 15 works.
In addition, grasping hot water temperature's situation in time for the ease of user, it is additionally provided with for showing on the shell 1 of electric heater The display screen 17 of temp. displaying function, its temperature sensing are completed by the three-temperature sensor 12 located at water outlet.As shown in Fig. 2 control Device processed 16 is electrically connected with display screen 17 and three-temperature sensor 12, for receiving what three-temperature sensor 12 was tested Temperature is simultaneously passed through the display screen 17 and is shown to user.
The dual-bottle type water heater water tank of the present embodiment operationally, enters cold water by water inlet, and cold water enters the first inner bag 4 Afterwards, and by the first communicating pipe 14, the second communicating pipe 7 filled three inner bags respectively, during entering cold water, temperature sensor detection Temperature information is sent to into controller 16 to after temperature, controller 16 sends instruction and makes primary heater 15 and secondary heater 5 All start working, part water is first heated, water forms density contrast, hot water rises cold water decline and one is formed in each inner bag Gradient distribution from high to low, hot water passed through for the first communicating pipe 14 and the second communicating pipe 7 entered the 3rd inner bag 9, and continued to rise, Flow out finally by delivery port, therefore, by the effect of communicating pipe, a part of hot water can be obtained, reached within a short period of time The purpose of hot water can comparatively fast be taken.
Above it is described, in the present invention, heat-insulation layer used adopts light weight, the polyurethane foam material of high insulating effect Make, heat-insulation layer is illustrated below by way of specific embodiment.
Embodiment 1
Prepare 3,050 3 parts of polyethers, 4,110 10 parts of polyethers, 2,043 8 parts of polyethers, trifluoro propyl silicone oil 0.3 by weight Part, 5 parts of water, 1 part of volcanic ash, 3 parts of asbestos wool, 0.1 part of crosslinking agent B DO, 0.3 part of kicker and fire retardant hydroxide 4 parts of magnesium.Kicker adopts mass ratio for the isooctyl acid copper of 1-3, for -4- pyrimidinecarboxylic acids salt and Dabco TMR-4;First will be upper State raw material to be well mixed to form polyether composition, then with hexamethylene diisocyanate 0.8 part mix, be then poured into hot water Foamed in the cavity of device water tank, water heater heat-insulation layer used in the present invention is obtained Jing after hot setting.
Embodiment 2
Prepare 3,050 5 parts of polyethers, 4,110 15 parts of polyethers, 2,043 15 parts of polyethers, trifluoro propyl silicone oil 0.5 by weight Part, 8 parts of water, 2 parts of volcanic ash, 6 parts of asbestos wool, crosslinking agent EG0.2 parts, 0.5 part of kicker and fire retardant magnesium hydroxide 6 Part.Kicker adopts mass ratio for 3:2:7 isooctyl acid copper, generation -4- pyrimidinecarboxylic acids salt and Dabco TMR-4;First will be upper State raw material to be well mixed to form polyether composition, then with hexamethylene diisocyanate 1.5 parts mix, be then poured into hot water Foamed in the cavity of device water tank, water heater heat-insulation layer used in the present invention is obtained Jing after hot setting.
Embodiment 3
Prepare 3,050 4 parts of polyethers, 4,110 13 parts of polyethers, 2,043 12 parts of polyethers, trifluoro propyl silicone oil 0.4 by weight Part, 6 parts of water, 1.5 parts of volcanic ash, 5 parts of asbestos wool, 0.15 part of crosslinking agent DEG, 0.4 part of kicker and fire retardant hydrogen-oxygen Change 5 parts of magnesium.Kicker adopts mass ratio for 2:2:7 isooctyl acid copper, generation -4- pyrimidinecarboxylic acids salt and Dabco TMR-4;First Above-mentioned raw materials are well mixed to form polyether composition, then with hexamethylene diisocyanate 1.2 parts mix, be then poured into Foamed in the cavity of water-heater water tank, water heater heat-insulation layer used in the present invention is obtained Jing after hot setting.
Performance test
In order to verify the technique effect of the present invention, on the water heater (experimental group) and market that the present invention is made by the applicant The water heater (contrast groups) of Shenzhen company production of purchase carries out contrast test, the power of two water heaters, capacity all same, Maximum heating temperature is disposed as into 65 DEG C, after heater 5 minutes, the water temperature 5- higher than contrast groups of experimental group delivery port 7 DEG C, 10 DEG C higher than contrast groups or so of the water temperature of experimental group delivery port after heating ten minutes illustrates that the water heater of the present invention can be short It is very fast in time to obtain hot water.Water heater carries out power-off insulation after all stopping heating, and after insulation 10 hours, experimental group goes out water temperature Spend for 55 DEG C, and the heat-insulation layer better heat preservation for being reduced to 45 DEG C, illustrating the present invention of contrast groups.
In addition, the applicant is in research process, also kicker is optimized, wherein finding individually with different pungent Sour copper or generation -4- pyrimidinecarboxylic acid salt make catalyst, and due to the initial stage, the time of foaming is too short, in raw material not by the cavity in water heater Fill up so that water heater cavity can not be fully filled with, and have a strong impact on the effect of insulation.And Using the catalyst of the present invention, on the one hand can postpone initial stage foaming, the time for giving abundance makes raw material be covered with inside the shell to wait to fill out The cavity for filling, on the other hand can improve the setting rate in foaming later stage, improve production efficiency.
The performance of the heat-insulation layer obtained by embodiment of the present invention 1-3 is detected, concrete detection project and result see below Table.
The performance test results of 1 heat-insulation layer of table
Detection project Embodiment 1 Embodiment 2 Embodiment 3
Heat conduction system W/m.k (25 DEG C) 0.011 0.013 0.012
Stability (100 DEG C, 24h) 0.34 0.33 0.33
Stability (- 25 DEG C, 24h) 0.16 0.14 0.16
Rate of closed hole 96 96 97
Density (kg/m3) 34 34 35
Compression strength (kPa) 262 267 268
As seen from the above table, the heat-insulation layer for being prepared using the present invention, in thermal conductivity factor, stability, rate of closed hole and compression strength There is good advantage.
Described above is the detailed description for preferably possible embodiments of the invention, but embodiment is not limited to this Bright patent claim, the equal change completed under the technical spirit suggested by all present invention or modification change, all should belong to In the covered the scope of the claims of the present invention.

Claims (8)

1. a kind of energy-saving heat-insulating electric heater, it is characterised in that:Including shell, it is disposed with the 3rd from top to bottom in inside the shell Courage, the second inner bag and the first inner bag, between the shell and the first inner bag, the second inner bag, the 3rd inner bag and the first inner bag with Heat-insulation layer is provided with cavity between second inner bag, between the second inner bag and the 3rd inner bag;It is provided with the top of the shell and The steam vent of three inner bags connection, the side of shell are communicated with the water inlet of the first inner bag bottom, and the opposite side of shell is provided with company The delivery port on logical 3rd inner bag top;It is provided with connection first away from water inlet between first inner bag and the second inner bag First communicating pipe of courage and the second inner bag, water outlet is provided with connection second between second inner bag and the 3rd inner bag Second communicating pipe of inner bag and the 3rd inner bag;The first temperature sensor of test water temperature is provided with the mouth of pipe of first connection, The second temperature sensor of test water temperature is provided with the mouth of pipe of second communicating pipe;The electric heater also include controller with And it is separately positioned on secondary heater inside the second inner bag, the first inner bag, primary heater;The controller and described first Temperature sensor, second temperature sensor, secondary heater and primary heater are electrically connected, to warm according to described first Spend the temperature value of sensor and second temperature sensor detection to control the primary heater and secondary heater work.
2. a kind of energy-saving heat-insulating electric heater according to claim 1, it is characterised in that:First inner bag, second Inner bag, the inwall of the 3rd inner bag are equipped with antibiotic layer.
3. a kind of energy-saving heat-insulating electric heater according to claim 2, it is characterised in that:The heat-insulation layer is by polyethers 3050 3-5 parts, 4110 10-15 parts of polyethers, 2043 8-15 parts of polyethers, trifluoro propyl silicone oil 0.3-0.5 parts, water 5-8 parts, six Methylene diisocyanate 0.8-1.5 parts, volcanic ash 1-2 parts, asbestos wool 3-6 parts, crosslinking agent 0.1-0.2 parts, kicker 0.3-0.5 parts and fire retardant 4-6 parts.
4. a kind of energy-saving heat-insulating electric heater according to claim 3, it is characterised in that:The kicker is matter Amount is than being 1-3:2:7 isooctyl acid copper, generation -4- pyrimidinecarboxylic acids salt and Dabco TMR-4.
5. a kind of energy-saving heat-insulating electric heater according to claim 3, it is characterised in that:The crosslinking agent is BDO, EG Or DEG.
6. a kind of energy-saving heat-insulating electric heater according to claim 3, it is characterised in that:The controller is according to first The decrease speed of the temperature of temperature sensor detection is controlling primary heater work.
7. a kind of energy-saving heat-insulating electric heater according to claim 3, it is characterised in that:The electric heater also includes Display screen and the three-temperature sensor located at water outlet on outer cover of water heater, the controller are aobvious with described Display screen and three-temperature sensor are electrically connected, and the temperature tested for reception three-temperature sensor is simultaneously passed through institute State display screen and be shown to user.
8. a kind of energy-saving heat-insulating electric heater according to claim 3, it is characterised in that:The primary heater and Two heater surfaces are designed with insulating barrier.
CN201611028240.8A 2016-11-18 2016-11-18 Energy saving and heat preserving type electric water heater Pending CN106524484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611028240.8A CN106524484A (en) 2016-11-18 2016-11-18 Energy saving and heat preserving type electric water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611028240.8A CN106524484A (en) 2016-11-18 2016-11-18 Energy saving and heat preserving type electric water heater

Publications (1)

Publication Number Publication Date
CN106524484A true CN106524484A (en) 2017-03-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109945477A (en) * 2019-02-21 2019-06-28 中山市启库五金电器有限公司 A kind of laser water heater
CN110398063A (en) * 2019-07-05 2019-11-01 芜湖美的厨卫电器制造有限公司 Water heater and its control method and computer readable storage medium

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CN201443853U (en) * 2009-06-25 2010-04-28 张君如 Electric water heater
CN202274613U (en) * 2011-10-14 2012-06-13 广东康宝电器有限公司 Water storage electric water heater
CN104710576A (en) * 2015-02-09 2015-06-17 四川大学 Thermotropic crosslinking type shape memory polyurethane material and preparation method thereof
CN204574438U (en) * 2015-03-10 2015-08-19 广东威博新能源供暖供水设备有限公司 Antibacterial type electric heater

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4154654B2 (en) * 2002-09-13 2008-09-24 アキレス株式会社 Method for producing rigid polyurethane foam
CN201184684Y (en) * 2008-01-14 2009-01-21 欧永源 Separate type heating dual-inner-bag electric water heater
DE102008038065A1 (en) * 2008-08-16 2010-02-18 Rajib Pal Chowdhury Biogas plant-fermenter comprises fermenter container, which is formed from two container elements, feeding device for biomass to be fermented, rolling device for substrate in the fermenter container, heating device, and gas removal device
CN201443853U (en) * 2009-06-25 2010-04-28 张君如 Electric water heater
CN202274613U (en) * 2011-10-14 2012-06-13 广东康宝电器有限公司 Water storage electric water heater
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CN204574438U (en) * 2015-03-10 2015-08-19 广东威博新能源供暖供水设备有限公司 Antibacterial type electric heater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109945477A (en) * 2019-02-21 2019-06-28 中山市启库五金电器有限公司 A kind of laser water heater
CN110398063A (en) * 2019-07-05 2019-11-01 芜湖美的厨卫电器制造有限公司 Water heater and its control method and computer readable storage medium
CN110398063B (en) * 2019-07-05 2021-06-22 芜湖美的厨卫电器制造有限公司 Water heater, control method thereof and computer-readable storage medium

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Application publication date: 20170322