CN204678689U - A kind of phase-change thermal storage type heat exchange device of water heater and water heater - Google Patents

A kind of phase-change thermal storage type heat exchange device of water heater and water heater Download PDF

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Publication number
CN204678689U
CN204678689U CN201520277370.XU CN201520277370U CN204678689U CN 204678689 U CN204678689 U CN 204678689U CN 201520277370 U CN201520277370 U CN 201520277370U CN 204678689 U CN204678689 U CN 204678689U
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phase
thermal storage
water
heat
change
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庄长宇
蒋建平
兰兴旺
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Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Abstract

The utility model discloses a kind of phase-change thermal storage type heat exchange device of water heater, relate to technical field of water heaters.This heat-exchanger rig comprises phase-change thermal storage housing and is arranged on heater, heat exchanger tube and the heat transmission fin in housing, phase-change material is filled with in housing, set temperature sensor in phase-change material, heat transmission fin is arranged on heat exchanger tube, the two ends of heat exchanger tube are connected with outlet pipe with water inlet pipe respectively, heater is arranged on the junction of heat exchanger tube and water inlet pipe, and is electrically connected with temperature controller, for heating the running water being flowed into heat exchanger tube by water inlet pipe.The invention also discloses a kind of water heater comprising this heat-exchanger rig.The application can make the heat accumulation of phase-change material and heat release share a set of heat exchanging pipe, heater is built-in, do not need additionally to increase circulating pump and be connected associate member with check valve etc., structure is simple, save pipeline and space, improve electrical heating efficiency, save cost, reduce fault rate and thermal losses, add user's experience.

Description

A kind of phase-change thermal storage type heat exchange device of water heater and water heater
Technical field
The utility model relates to technical field of water heaters, particularly relates to a kind of phase-change thermal storage type heat exchange device of water heater and has the water heater of this phase-change thermal storage type heat exchange device of water heater.
Background technology
Phase-change thermal storage type water heater has the feature such as higher storage density, longer service life because of it, and cheap paddy electricity can be utilized to carry out heat accumulation, the national energy-saving policy of response peak load shifting, and is widelyd popularize.Because the thermal conductivity of phase-change material is low, it was solid before phase transformation, directly cannot heat phase-change material with electric heating tube, its heat accumulation mode is all pass through secondary heat exchange, at present conventional is that to be that pipeline buries in phase-change material by spiral, distributed or fin inner, phase-change thermal storage module-external has separately supplementary energy heating water, and then fill hot energy storage by external circulating pump forced circulation hot water to phase-change material, the method has following shortcoming:
(1) additionally increase the annexes such as pipeline, circulating pump, insulation material, the high and fault leakage point of cost increases;
(2) circulating pump reliability is low, fragile, runs and has noise, affect user's experience;
(3) installation of the annex such as pipeline, circulating pump takies a large amount of volumes, and cause whole water heater to take large quantity space, space availability ratio is low;
(4) supplementary energy heating is in outside, fills hot energy storage by circulating hot water to phase transformation, and heat loss is serious, and energy conversion rate is low.
Based on above description, need badly and want a kind of new phase-change thermal storage type heat exchange device of water heater, many with the connection associate member solving the existence of existing phase-change thermal storage type water heater, cost is high, and pipe interface is many, and water leakage fault hidden danger is many; Circulating pump reliability is low, runs and has noise, affect user's experience; Connecting line and associate member take up room, and water heater volume is large, and space availability ratio is low; Supplementary energy adds the problems such as thermal conversion efficiency is low.
Utility model content
An object of the present utility model is to propose a kind of phase-change thermal storage type heat exchange device of water heater, and this heat-exchanger rig utilizes phase-change material to achieve heat accumulation and heat release, improves electrical heating efficiency; Do not need extra increasing to connect associate member, save space, saved cost, reduced fault rate, add user's experience, reduce thermal losses.
Another object of the present utility model is to propose a kind of water heater, and this water heater has phase-change thermal storage type heat exchange device of water heater as above, and this water heater space availability ratio is high, low cost of manufacture, failure rate is low, user's experience is good, and energy conversion rate is high.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of phase-change thermal storage type heat exchange device of water heater, the heater comprising phase-change thermal storage housing and be arranged in phase-change thermal storage housing, heat exchanger tube and heat transmission fin, phase-change material is filled with in described phase-change thermal storage housing, set temperature sensor in phase-change material in described phase-change thermal storage housing, described heat transmission fin is arranged on described heat exchanger tube, the two ends of described heat exchanger tube are connected with outlet pipe with water inlet pipe respectively, described heater is arranged on the junction of heat exchanger tube and water inlet pipe, and be electrically connected with temperature controller, for heating the running water being flowed into heat exchanger tube by water inlet pipe.
As a kind of preferred version, described heat-exchanger rig also comprises and is arranged on the first water collector in phase-change thermal storage housing and the second water collector, described second water collector is connected with water inlet pipe with heat exchanger tube respectively, described heater is arranged in described second water collector, and described first water collector is connected with outlet pipe with heat exchanger tube respectively.
As a kind of preferred version, the water inlet of described heat exchanger tube is connected with described second water collector, and its delivery port is connected with described first water collector.
As a kind of preferred version, described phase-change material is filled in the cavity volume between phase-change thermal storage housing and heat exchanger tube.
As a kind of preferred version, described heat transmission fin is vertically located on described heat exchanger tube abreast.
As a kind of preferred version, described heat exchanger tube vertically and be arranged in parallel to each other in phase-change thermal storage housing.
As a kind of preferred version, described heater is electric heating tube, and described electric heating tube outer surface is arranged with heating muff.
As a kind of preferred version, the water inlet of described water inlet pipe and the delivery port of described outlet pipe all stretch out outside phase-change thermal storage housing.
The utility model additionally provides a kind of water heater, comprises the phase-change thermal storage type heat exchange device of water heater as described in above any one.
The beneficial effects of the utility model are:
The utility model provides a kind of phase-change thermal storage type heat exchange device of water heater, the heater that this phase-change thermal storage type heat exchange device of water heater comprises phase-change thermal storage housing and is arranged in phase-change thermal storage housing, heat exchanger tube and heat transmission fin, phase-change material is filled with in described phase-change thermal storage housing, set temperature sensor in phase-change material in described phase-change thermal storage housing, described heat transmission fin is arranged on described heat exchanger tube, the two ends of described heat exchanger tube are connected with outlet pipe with water inlet pipe respectively, described heater is arranged on the junction of heat exchanger tube and water inlet pipe, and be electrically connected with temperature controller, for heating the running water being flowed into heat exchanger tube by water inlet pipe.The utility model can make the heat accumulation of phase-change material and heat release share a set of heat exchanging pipe, heater is built-in, do not need additionally to increase circulating pump and be connected associate member with check valve etc., structure is simple, saves pipeline and space, improves electrical heating efficiency, save cost, reduce fault rate, add user's experience, reduce thermal losses.
The utility model provides a kind of water heater, and this water heater comprises phase-change thermal storage type heat exchange device of water heater as above, and the space availability ratio of this water heater is high, low cost of manufacture, failure rate is low, and user's experience is good, and energy conversion rate is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the structural representation of the phase-change thermal storage type heat exchange device of water heater that the utility model preferred embodiment provides;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of the electric heating tube that the utility model preferred embodiment provides;
Fig. 4 is the partial top view of the first water collector of providing of the utility model preferred embodiment or the second water collector;
Fig. 5 is the structural representation of the heat exchanger tube that the utility model preferred embodiment provides.
In figure:
1, phase-change thermal storage housing; 2, heat exchanger tube; 3, heat transmission fin; 4, water inlet pipe; 5, outlet pipe; 6, the first water collector; 7, the second water collector; 8, electric heating tube.
Detailed description of the invention
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Preferred embodiment
As depicted in figs. 1 and 2, present embodiments provide one more preferably phase-change thermal storage type heat exchange device of water heater, the heater that described phase-change thermal storage type heat exchange device of water heater comprises phase-change thermal storage housing 1 and is arranged in phase-change thermal storage housing 1, several heat exchanger tube 2, array heat transmission fin 3, first water collector 6 and the second water collector 7 (as shown in Figure 4), phase-change material is filled with in phase-change thermal storage housing 1, temperature sensor for detecting phase-change material temperature is set in phase-change material in phase-change thermal storage housing 1, array heat transmission fin 3 is arranged on heat exchanger tube 2, the two ends of several heat exchanger tube 2 are connected with outlet pipe 5 with water inlet pipe 4 respectively, heater is arranged on the junction of heat exchanger tube 2 and water inlet pipe 4, and be electrically connected with temperature controller, for heating the running water being flowed into heat exchanger tube 2 by water inlet pipe 4.
In the present embodiment, as shown in Figure 1 to Figure 3, heater is arranged in the second water collector 7, and heater is preferably the simple electric heating tube 8 of structure, and electric heating tube 8 outer surface is arranged with heating muff, and heating muff is fixedly mounted on the flange of water heater end socket.The present embodiment phase-change thermal storage type heat exchange device of water heater is heated by built-in electric heater, realizes heating and heat-exchange integrated design, saves space, improve the efficiency of heating surface.
In the present embodiment, preferably, several heat exchanger tube 2 vertically and be arranged in phase-change thermal storage housing 1 in parallel to each other, concrete, as shown in Figure 1, Figure 2 with shown in Fig. 5, several heat exchanger tube 2 is arranged in 13 row, often row have three heat exchanger tubes 2 of parallel arrangement, the water inlet of every root heat exchanger tube 2 is connected with the delivery port of the second water collector 7, the delivery port of every root heat exchanger tube 2 is connected with the water inlet of the first water collector 6, meanwhile, the water inlet of the second water collector 7 is connected with water inlet pipe 4, and the delivery port of the first water collector 6 is connected with the water inlet of outlet pipe 5.The water inlet of water inlet pipe 4 and the delivery port of outlet pipe 5 all stretch out outside phase-change thermal storage housing 1.The arrangement mode of the heat exchanger tube 2 in the present embodiment is not limit, can according to heat-energy transducer efficiency and the adjustment arrangement of cost aspect.
Array heat transmission fin 3 is preferably array justifying formula heat transmission fin, and in order to increase heat exchange area and exchange capability of heat, array justifying formula heat transmission fin is vertically located on several heat exchanger tube 2 abreast.The large I of spacing between adjacent two heat transmission fins 3 is determined according to the heat-transfer character of phase-change material.Heat transmission fin 3 in the present embodiment is not limited to said structure or installation form, array heat transmission fin unit interval array arrangement can also be designed to or by heat transmission fin 3 spiral wrap on heat exchanger tube 2, to increase heat transfer area, improve exchange capability of heat.
In the present embodiment, preferably, phase-change material is filled in the cavity volume between phase-change thermal storage housing 1 and heat exchanger tube 2, so, also can be filled with phase-change material between heat transmission fin 3.
Operation principle of the present utility model and workflow are:
When the low power consumption period needs heat accumulation, temperature controller is controlled electric heating tube 8 and to be flowed into running water in the second water collector 7 by heating muff heating through water inlet pipe 4, hot water is risen by heat exchanger tube 2, hot water transfers heat to phase-change material by the heat transmission fin 3 of heat exchanger tube 2 and surrounding distribution, temperature becomes cold water and declines after reducing, and then is electrically heated pipe 8 and heats, iterative cycles like this, until the temperature of phase-change material reaches predetermined temperature, complete heat accumulation process.In heat accumulation process, phase-change material raises gradually owing to absorbing temperature after heat, sensible heat is stored before not reaching phase transition temperature-fusing point, phase-change material undergoes phase transition storage latent heat after obtaining enough heats gradually, when phase transformation terminates and reaches design temperature, heat accumulation process completes, and temperature controller controls electric heating tube 8 and stops heating.
When phase-change material carries out heat release, cold water enters in heat exchanger tube 2 by water inlet pipe 4, there is lattice variations-solidify gradually in phase-change material, entrained heat is passed to the water flowed in heat exchanger tube 2 by heat transmission fin 3 and heat exchanger tube 2, phase-change material temperature declines and discharges sensible heat, cold water temperature raises, and is pooled to outlet pipe 5 and exports hot water.In exothermic process, when the heat that cold water is taken away makes the temperature of phase-change material lower than design temperature, continue under the control of a temperature controller to start electric heating tube 8 and then to phase-change material heating energy storage, when the temperature of phase-change material reaches design temperature, stop heating.
The phase-change thermal storage type heat exchange device of water heater of the application can make the heat accumulation of phase-change material and heat release share a set of heat exchanging pipe, do not need additionally to increase circulating pump and be connected associate member with check valve etc., structure is simple, save pipeline and space, improve electrical heating efficiency, saved cost, reduced fault rate, add user's experience, reduce thermal losses.
Present invention also provides a kind of water heater, comprise the phase-change thermal storage type heat exchange device of water heater as described in above any one.The space availability ratio of this water heater is high, low cost of manufacture, failure rate is low, and user's experience is good, and energy conversion rate is high.
" first " of the present utility model, " second " etc., only for being distinguished in description, not special implication.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.

Claims (9)

1. a phase-change thermal storage type heat exchange device of water heater, it is characterized in that, the heater comprising phase-change thermal storage housing (1) and be arranged in phase-change thermal storage housing (1), heat exchanger tube (2) and heat transmission fin (3), phase-change material is filled with in described phase-change thermal storage housing (1), set temperature sensor in the interior phase-change material of described phase-change thermal storage housing (1), described heat transmission fin (3) is arranged on described heat exchanger tube (2), the two ends of described heat exchanger tube (2) are connected with outlet pipe (5) with water inlet pipe (4) respectively, described heater is arranged on the junction of heat exchanger tube (2) and water inlet pipe (4), and be electrically connected with temperature controller, flowed into the running water of heat exchanger tube (2) by water inlet pipe (4) for heating.
2. phase-change thermal storage type heat exchange device of water heater according to claim 1, it is characterized in that, described heat-exchanger rig also comprises and is arranged on the first water collector (6) in phase-change thermal storage housing (1) and the second water collector (7), described second water collector (7) is connected with water inlet pipe (4) with heat exchanger tube (2) respectively, described heater is arranged in described second water collector (7), and described first water collector (6) is connected with outlet pipe (5) with heat exchanger tube (2) respectively.
3. phase-change thermal storage type heat exchange device of water heater according to claim 2, it is characterized in that, the water inlet of described heat exchanger tube (2) is connected with described second water collector (7), and its delivery port is connected with described first water collector (6).
4. the phase-change thermal storage type heat exchange device of water heater according to any one of claims 1 to 3, is characterized in that, described phase-change material is filled in the cavity volume between phase-change thermal storage housing (1) and heat exchanger tube (2).
5. the phase-change thermal storage type heat exchange device of water heater according to any one of claims 1 to 3, is characterized in that, described heat transmission fin (3) is vertically located on described heat exchanger tube (2) abreast.
6. phase-change thermal storage type heat exchange device of water heater according to claim 5, is characterized in that, described heat exchanger tube (2) vertically and be arranged in parallel to each other in phase-change thermal storage housing (1).
7. the phase-change thermal storage type heat exchange device of water heater according to any one of claims 1 to 3, is characterized in that, described heater is electric heating tube (8), and described electric heating tube (8) outer surface is arranged with heating muff.
8. the phase-change thermal storage type heat exchange device of water heater according to any one of claims 1 to 3, it is characterized in that, the water inlet of described water inlet pipe (4) and the delivery port of described outlet pipe (5) all stretch out phase-change thermal storage housing (1) outward.
9. a water heater, is characterized in that, comprises the phase-change thermal storage type heat exchange device of water heater as described in any one of claim 1 to 8.
CN201520277370.XU 2015-04-30 2015-04-30 A kind of phase-change thermal storage type heat exchange device of water heater and water heater Active CN204678689U (en)

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CN201520277370.XU CN204678689U (en) 2015-04-30 2015-04-30 A kind of phase-change thermal storage type heat exchange device of water heater and water heater

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Application Number Priority Date Filing Date Title
CN201520277370.XU CN204678689U (en) 2015-04-30 2015-04-30 A kind of phase-change thermal storage type heat exchange device of water heater and water heater

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157209A (en) * 2015-10-27 2015-12-16 江苏启能新能源材料有限公司 Natural convection type heater based on phase-change heat storage materials
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
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
CN109237775A (en) * 2018-08-16 2019-01-18 芜湖鸣人热能设备有限公司 It is in charge of heating boiler

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157209A (en) * 2015-10-27 2015-12-16 江苏启能新能源材料有限公司 Natural convection type heater based on phase-change heat storage materials
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
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
CN109237775A (en) * 2018-08-16 2019-01-18 芜湖鸣人热能设备有限公司 It is in charge of heating boiler

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