CN204705041U - A kind of Instant heating type phase-change accumulation energy water heater - Google Patents
A kind of Instant heating type phase-change accumulation energy water heater Download PDFInfo
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- CN204705041U CN204705041U CN201520398538.2U CN201520398538U CN204705041U CN 204705041 U CN204705041 U CN 204705041U CN 201520398538 U CN201520398538 U CN 201520398538U CN 204705041 U CN204705041 U CN 204705041U
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Abstract
The utility model relates to a kind of Instant heating type phase-change accumulation energy water heater, comprises instant heating heating arrangements and phase-change energy-storage units two parts, and described instant heating heating arrangements is arranged on phase-change energy-storage units hot water outlet place.Phase-change energy-storage units comprises shell, there is adiabator layer in shell, in adiabator layer, have inner casing, in inner casing, have phase-change material, in phase-change material, submergence has heat exchange coil, electric heating mechanism, temperature sensor, and electric heating mechanism and temperature sensor are electrically connected to controller.The raising of instant heating heating arrangements to phase-change energy-storage units outlet temperature has obvious effect, can extend hot water service time, also not improve line requirements.
Description
Technical field
The utility model relates to technical field of water heaters, is specifically related to a kind of Instant heating type phase-change accumulation energy water heater.
Background technology
Phase-change accumulation energy water heater be by heat exchange coil or electric heater by solar energy/electrical power storage in the phase-changing energy storage material of high enthalpy, leak water in heat exchange coil during heat release, take away the heat stored by phase-change material, realize cold water and enter the heating function that hot water goes out.
The energy storage material heat enthalpy value that phase-change accumulation energy water heater uses is high, energy storage density is high, the energy storage density of unit volume is 2-3 times of water, and heat major part is distributed between 50-70 DEG C, although phase-change accumulation energy water heater major part hot water concentrates between 50-70 DEG C, but leaving water temperature generally just can not recycle lower than when 40 DEG C, causes the loss of heat.
Instant electric water heater utilizes electrothermal tube, electrical bar, glass tube or plastic tube to heat, instant-heating, without the need to preheating and insulation.From security aspect, instant electric water heater adopts the basic measures such as nonmetal calandria, water power isolation technology, earth leakage protective device, ground protection, and use safety coefficients comparison is high.And owing to not had tank parts on volume, profile can design to obtain small and exquisite exquisiteness, compare and be adapted at the use of little space.The rated power of instant electric water heater is higher, general needs more than 5 kilowatts.Its advantage be safely, take up room little, economize on electricity.But it is large that shortcoming is power, high to the line requirements installed, the minimum power line with 4 squares is higher to line requirements.
Utility model content
For defect of the prior art, the utility model provides one can improve Heat from Low-temperature Flue Gas low-grade heat source utilization rate, does not improve again the Instant heating type phase-change accumulation energy water heater to line requirements.
The technical solution of the utility model is: a kind of Instant heating type phase-change accumulation energy water heater, comprises instant heating heating arrangements and phase-change energy-storage units two parts, and described instant heating heating arrangements is arranged on phase-change energy-storage units hot water outlet place.
Instant heating type phase-change accumulation energy water heater of the present utility model, described phase-change energy-storage units comprises shell, heat-insulation layer is had in shell, inner casing is had in heat-insulation layer, phase-change material is had in inner casing, in phase-change material, submergence has heat exchange coil, electric heating mechanism, the first temperature sensor, and electric heating mechanism and the first temperature sensor are electrically connected to controller.
Instant heating type phase-change accumulation energy water heater of the present utility model, described heat exchange coil one end connects cold water inlet, and one end connects hot water outlet.
Instant heating type phase-change accumulation energy water heater of the present utility model, in described phase-change energy-storage units outlet, the second temperature sensor is installed, for measuring phase-change heat accumulation unit outlet temperature, at instant heating heating arrangements outlet installation three-temperature sensor, for measuring instant heating heating arrangements leaving water temperature.
Instant heating type phase-change accumulation energy water heater of the present utility model, described electric heating mechanism is the heating wire be uniformly distributed in phase-change material.
Instant heating type phase-change accumulation energy water heater of the present utility model, described heat exchange coil is the runner of water, is made up of some groups of U-tube serial or parallel connections.
Instant heating type phase-change accumulation energy water heater of the present utility model, described heat exchange coil is the light pipe/finned tube of carbon steel, stainless steel, Al and Alalloy, Copper and its alloy or composite.
Instant heating type phase-change accumulation energy water heater of the present utility model, described finned tube is the finned tube of machining or rolling, soldering or gas shielded arc welding or ratio-frequency welding, and fin configuration is around chip, inserted, nest plate type or sheet string type.
Instant heating type phase-change accumulation energy water heater of the present utility model, described phase-change material is can the material of storage/release latent heat and part sensible heat.
Instant heating type phase-change accumulation energy water heater of the present utility model, described phase-change material is the various phase-change materials between 50-90 DEG C, comprises the phase-change material such as crystalline hydrate salt, metal and alloy type, paraffin class, non-paraffin organic, ceramic matric composite; Preferably, in above-mentioned phase-change material, add enhanced thermal conduction material, comprise metal material, graphite, CNT, foamed material.
Instant heating type phase-change accumulation energy water heater of the present utility model, described phase-change energy-storage units shell is cylindrical shape or cube.
Instant heating type phase-change accumulation energy water heater of the present utility model, wherein the shell effect of phase-change energy-storage units is encapsulation, fixing heat-insulation layer, static controller, and the effect of exhibiting product outward appearance; Adiabator layer has insulation effect, prevents heat distribution loss; Inner bag is the phase-change energy-storage units of water heater, includes electric heating mechanism, phase-change material, heat exchange coil, temperature sensor.The accumulation of heat of phase-change accumulation energy water heater, exothermic process are all carried out in inner bag; Electric heating mechanism provides electric energy with heating phase-change material, and electric heating mechanism is distributed in phase-change material, phase-change material is heated fully, evenly, stable, there will not be phase-change material overheated, extend phase-change material service life; Phase-change material can storage/release latent heat and part sensible heat, and it accounts for the 80%-98% of inner bag volume, is phase-change material volumetric expansion headspace; Phase-change material is the various phase-change materials between 40-90 DEG C, comprise the phase-change material such as crystalline hydrate salt, metal and alloy type, paraffin class, non-paraffin class organic, ceramic matric composite, for improving heat conductivility, enhanced thermal conduction material can be added in the material, as metal material, graphite, CNT, foamed material etc.; Heat exchange coil is the runner of water, and be made up of some groups of U-tube series and parallels, running water enters from cold water inlet, and hot water outlet flows out, and carries out exchange heat, take away the latent heat and part sensible heat that store in phase-change material by heat exchange coil and phase-change material; Heat exchange coil material is carbon steel, stainless steel, Al and Alalloy, Copper and its alloy light pipe/finned tube or composite finned tube; Finned tube manufacturing process comprise machining or rolling, soldering or gas shielded arc welding, ratio-frequency welding, around chip, inserted, nest plate type, sheet string type etc.; Hot water outlet temperature's sensor, measures hot water effluent's temperature, starts electric heating mechanism according to this measurement value sensor; Phase-change material temperature sensor is for measuring the temperature of phase-change material, and controller controls electric heating mechanism according to this thermometer to be stopped.
Instant heating type heating arrangements is for phase-change energy-storage units water outlet is heated, to improve its low-grade heat coolant-temperature gage, for user; Three-temperature sensor-for measuring Instant heating type heating arrangements outlet water temperature.
Advantage of the present utility model and the technique effect obtained are:
1, the raising of instant heating heating arrangements to phase-change energy-storage units outlet temperature has obvious effect, can extend hot water service time.
2, instant heating heating arrangements can utilize phase-change energy-storage units to export low-grade hot water, and therefore power requirement is less, lower to line requirements.
3, instant heating heating arrangements low-profile, occupies little space, low price, good economy performance.
4, the direct heating phase-change material accumulation of energy of electric heating mechanism, improves utilization rate of electrical, energy-conserving and environment-protective.
5, the electric heating mechanism unit are electrical power in phase-change energy-storage units is less, is uniformly distributed in phase-change material, phase-change material can be stablized and be heated to more than transformation temperature, store latent heat and part sensible heat, improve its amount of stored heat, phase-change material there will not be hot-spot, improves its service life.
6, heat exchange coil is some groups of U-shaped coil pipe series and parallels, and be evenly embedded in phase-change material, heat exchange coil fully contacts with phase-change material, and heat in phase-change material can be discharged fast, evenly.
7, phase-change material specific heat is less, and store the sensible heat time shorter, during heating, phase-change material temperature rises to transformation temperature very soon, and to be swapped out sensible heat in phase-change material and part latent heat by cold water in heat exchange coil, gained hot water can utilize for people, have instant heating function;
8, Instant heating type phase-change accumulation energy water heater adopts the phase-changing energy storage material that heat enthalpy value is large, and energy storage density is high, therefore compact, and compare than the heat storage water heater of identical hot water output on the market, volume reduces about 60% ~ 70%.This phase-change accumulation energy water heater structure is compact, compact, and therefore external surface area is little, decreases distributing of heat, more energy-conserving and environment-protective.
9, Instant heating type phase-change accumulation energy water heater can utilize the price advantage of " paddy " electricity, fills heat, heat release during " peak " electricity during " paddy " electricity.
Accompanying drawing explanation
Fig. 1 is the structure chart of the Instant heating type phase-change accumulation energy water heater in the utility model embodiment 1;
Fig. 2 is the exotherm of the Instant heating type phase-change accumulation energy water heater in the utility model embodiment 1;
Wherein in Fig. 1: 1. cold water inlet; 2. phase-change energy-storage units; 3. the second temperature sensor; 4. instant heating heating arrangements; 5. three-temperature sensor; 6. hot water outlet; 7. controller; 8. shell; 9. adiabator layer; 10. inner casing; 11. phase-change materials; 12. heat exchange coils; 13. electric heating mechanisms; 14. first temperature sensors.
Detailed description of the invention
For further illustrating the utility model, illustrate with the following Examples:
Embodiment 1
A kind of Instant heating type phase-change accumulation energy water heater, structure refers to Fig. 1, comprises instant heating heating arrangements 4 and phase-change energy-storage units 2 two parts, and described instant heating heating arrangements 4 is arranged on hot water outlet 6 place of phase-change energy-storage units 2.
Described phase-change energy-storage units 2 comprises shell 8, adiabator layer 9 is had in shell, inner casing 10 is had in adiabator layer, phase-change material 11 is had in inner casing, in phase-change material 11, submergence has heat exchange coil 12, electric heating mechanism 13, temperature sensor 14, and electric heating mechanism 13 and the first temperature sensor 14 are electrically connected to controller 7.
Described heat exchange coil 12 one end connects cold water water inlet 1, and one end connects hot water outlet 6.
Described phase-change energy-storage units 2 outlet is provided with the second temperature sensor 3, for measuring phase-change heat accumulation unit outlet temperature, exports installation three-temperature sensor 5 at instant heating heating arrangements 4, for measuring instant heating heating arrangements leaving water temperature.
Electric heating mechanism 13 is uniform winding heating wires on heat exchange coil.
Heat exchange coil 12 is runners of water, is made up of some groups of U-tube serial or parallel connections.Heat exchange coil is the light pipe/finned tube of carbon steel, stainless steel, Al and Alalloy, Copper and its alloy or composite.
Phase-change material is the various phase-change materials between 40-90 DEG C, comprises the phase-change material such as crystalline hydrate salt, metal and alloy type, paraffin class, non-paraffin organic, ceramic matric composite; Or in above-mentioned phase-change material, add enhanced thermal conduction material, comprise metal material, graphite, CNT, foamed material.
The operation principle of above-mentioned water heater is as follows:
Phase-change accumulation energy and instant heating heat coupling water heater generally two courses of work, heating process and exothermic process.
Heating process: start electric heating mechanism 13, heating phase-change material 11 to temperature sensor 14 setting value, phase-change material stores latent heat and part sensible heat, and controller 7 controls electric heating mechanism 13 and stops heating.
Exothermic process: running water is entered the heat exchange coil 12 be immersed in phase-change material 11 by cold water inlet 1, heat exchange is carried out with high temperature phase change material (pcm), hot water flows out for user by hot water outlet 6, when leaving water temperature sensors 3 displays temperature is lower than 40 degree, controller starts instant heating heating arrangements 4, improves leaving water temperature, extends hot water service time, until when temperature sensor 5 displays temperature is lower than serviceability temperature, stop using.
Test the exothermicity of this Instant heating type phase-change accumulation energy water heater, start instant heating mechanism, by the electrical power of 2kW, phase-changing energy storage material is heated to 80 DEG C, phase-change material stores latent heat and part sensible heat, stops heating;
Running water enters heat exchange coil by cold water inlet, heat exchange is carried out with high temperature phase change material (pcm), hot water is flowed out for user by hot water outlet, when leaving water temperature is lower than 40 DEG C, controller starts instant heating heating arrangements automatically, testing the Instant heating type heating arrangements power selected is 3.5kW, entrance cold water water temperature is 22 DEG C, when discharge is 5L/min, contrast phase-change accumulation energy mechanism delivery port (temperature sensor 3 measured value) and instant heating heating arrangements outlet temperature (temperature sensor 5 measured value) can be found out, leaving water temperature can be improved about 10 DEG C by instant heating heating arrangements.Therefore, connect instant heating heating arrangements in phase-change accumulation energy outlet, low-grade hot water can be become available hot water, extend hot water service time, improve rate of thermal water utilization, and the wire-socket of family expenses 2.5 squares, 16A just can meet instructions for use.
Above-described embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the common engineers and technicians in this area make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (10)
1. an Instant heating type phase-change accumulation energy water heater, it is characterized in that: comprise instant heating heating arrangements (4) and phase-change energy-storage units (2) two parts, described instant heating heating arrangements (4) is arranged on phase-change energy-storage units (2) hot water outlet (6) place.
2. Instant heating type phase-change accumulation energy water heater according to claim 1, it is characterized in that: phase-change energy-storage units (2) comprises shell (8), heat-insulation layer (9) is had in shell, inner casing (10) is had in heat-insulation layer, phase-change material (11) is filled with in inner casing, in phase-change material (11), submergence has heat exchange coil (12), electric heating mechanism (13), the first temperature sensor (14), and electric heating mechanism (13) and the first temperature sensor (14) are electrically connected to controller (7).
3. Instant heating type phase-change accumulation energy water heater according to claim 1 and 2, is characterized in that: heat exchange coil (12) one end connects cold water inlet (1), and one end connects hot water outlet (6).
4. Instant heating type phase-change accumulation energy water heater according to claim 1 and 2, is characterized in that: be provided with the second temperature sensor (3), for measuring phase-change energy-storage units outlet temperature in phase-change energy-storage units (2) outlet; At instant heating heating arrangements (4) outlet installation three-temperature sensor (5), for measuring instant heating heating arrangements leaving water temperature.
5. Instant heating type phase-change accumulation energy water heater according to claim 2, is characterized in that: described electric heating mechanism (13) is the heating wire be uniformly distributed in phase-change material.
6. Instant heating type phase-change accumulation energy water heater according to claim 2, is characterized in that: described heat exchange coil (12) is the runner of water, is made up of some groups of U-tube serial or parallel connections.
7. Instant heating type phase-change accumulation energy water heater according to claim 6, is characterized in that: described heat exchange coil is the light pipe/finned tube of carbon steel, stainless steel, Al and Alalloy, Copper and its alloy or composite.
8. Instant heating type phase-change accumulation energy water heater according to claim 7; it is characterized in that: described finned tube is the finned tube of machining or rolling, soldering or gas shielded arc welding or ratio-frequency welding, fin configuration is around chip, inserted, nest plate type or sheet string type.
9. Instant heating type phase-change accumulation energy water heater according to claim 1 and 2, is characterized in that: described phase-change material is can the material of storage/release latent heat and part sensible heat.
10. Instant heating type phase-change accumulation energy water heater according to claim 1 and 2, is characterized in that: described phase-change energy-storage units shell is cylindrical shape or cube.
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| CN201520398538.2U CN204705041U (en) | 2015-06-10 | 2015-06-10 | A kind of Instant heating type phase-change accumulation energy water heater |
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| CN106196603A (en) * | 2016-07-28 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Phase-change thermal storage type water heater and control method thereof |
| CN106196604A (en) * | 2016-07-28 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Phase-change thermal storage type water heater and control method thereof |
| CN107270538A (en) * | 2017-06-19 | 2017-10-20 | 中山明杰自动化科技有限公司 | Preheating and heating device and method of instant heating type water purifying and boiling machine |
| CN107842989A (en) * | 2017-12-12 | 2018-03-27 | 天津城建大学 | A kind of Instant heating type kitchen of phase-transition heat-storage is precious |
| CN108507164A (en) * | 2017-02-28 | 2018-09-07 | 美的集团股份有限公司 | A kind of water heater |
| CN108731094A (en) * | 2018-06-05 | 2018-11-02 | 北京华厚能源科技有限公司 | A kind of cistern free dual temperature heat-storing warm heat wetting system |
| CN108800570A (en) * | 2018-06-27 | 2018-11-13 | 北京四季沐歌太阳能技术集团有限公司 | A kind of phase-change accumulation energy water heater |
| CN109990471A (en) * | 2018-01-02 | 2019-07-09 | 芜湖美的厨卫电器制造有限公司 | Heat from Low-temperature Flue Gas and its control method |
| CN110274295A (en) * | 2018-03-16 | 2019-09-24 | 山西国泰环能科技有限公司 | Phase-change thermal storage type electric heater |
| CN110486929A (en) * | 2019-09-27 | 2019-11-22 | 中山市共智新能源科技有限公司 | Heat from Low-temperature Flue Gas and its control method |
| CN111256366A (en) * | 2020-03-28 | 2020-06-09 | 北京中凯新科科技有限公司 | Zero-scale modular energy storage electric water heater |
| CN111322774A (en) * | 2020-03-04 | 2020-06-23 | 武汉科技大学 | Solar phase-change energy storage tank |
| WO2021027239A1 (en) * | 2019-08-09 | 2021-02-18 | 芜湖美的厨卫电器制造有限公司 | Phase-change water heater |
| WO2021027231A1 (en) * | 2019-08-09 | 2021-02-18 | 芜湖美的厨卫电器制造有限公司 | Housing assembly and phase changing water heater |
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- 2015-06-10 CN CN201520398538.2U patent/CN204705041U/en active Active
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| CN106196603A (en) * | 2016-07-28 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Phase-change thermal storage type water heater and control method thereof |
| CN106196604A (en) * | 2016-07-28 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Phase-change thermal storage type water heater and control method thereof |
| CN108507164B (en) * | 2017-02-28 | 2020-08-07 | 美的集团股份有限公司 | Water heater |
| CN108507164A (en) * | 2017-02-28 | 2018-09-07 | 美的集团股份有限公司 | A kind of water heater |
| CN107270538A (en) * | 2017-06-19 | 2017-10-20 | 中山明杰自动化科技有限公司 | Preheating and heating device and method of instant heating type water purifying and boiling machine |
| CN107842989A (en) * | 2017-12-12 | 2018-03-27 | 天津城建大学 | A kind of Instant heating type kitchen of phase-transition heat-storage is precious |
| CN109990471A (en) * | 2018-01-02 | 2019-07-09 | 芜湖美的厨卫电器制造有限公司 | Heat from Low-temperature Flue Gas and its control method |
| CN110274295A (en) * | 2018-03-16 | 2019-09-24 | 山西国泰环能科技有限公司 | Phase-change thermal storage type electric heater |
| CN108731094A (en) * | 2018-06-05 | 2018-11-02 | 北京华厚能源科技有限公司 | A kind of cistern free dual temperature heat-storing warm heat wetting system |
| CN108800570A (en) * | 2018-06-27 | 2018-11-13 | 北京四季沐歌太阳能技术集团有限公司 | A kind of phase-change accumulation energy water heater |
| WO2021027239A1 (en) * | 2019-08-09 | 2021-02-18 | 芜湖美的厨卫电器制造有限公司 | Phase-change water heater |
| WO2021027231A1 (en) * | 2019-08-09 | 2021-02-18 | 芜湖美的厨卫电器制造有限公司 | Housing assembly and phase changing water heater |
| EP4012288A4 (en) * | 2019-08-09 | 2022-10-12 | Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | Phase-change water heater |
| CN110486929A (en) * | 2019-09-27 | 2019-11-22 | 中山市共智新能源科技有限公司 | Heat from Low-temperature Flue Gas and its control method |
| CN110486929B (en) * | 2019-09-27 | 2024-03-22 | 中山市共智新能源科技有限公司 | Phase change water heater and control method thereof |
| CN111322774A (en) * | 2020-03-04 | 2020-06-23 | 武汉科技大学 | Solar phase-change energy storage tank |
| CN111256366A (en) * | 2020-03-28 | 2020-06-09 | 北京中凯新科科技有限公司 | Zero-scale modular energy storage electric water heater |
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