CN206670429U - Phase transition heat accumulation unit and water heater - Google Patents
Phase transition heat accumulation unit and water heater Download PDFInfo
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- CN206670429U CN206670429U CN201720190906.3U CN201720190906U CN206670429U CN 206670429 U CN206670429 U CN 206670429U CN 201720190906 U CN201720190906 U CN 201720190906U CN 206670429 U CN206670429 U CN 206670429U
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- plastic casing
- phase
- accumulation unit
- phase transition
- heat accumulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of phase transition heat accumulation unit and water heater, wherein, the phase transition heat accumulation unit includes plastic casing, phase variant and heat exchange pipeline, and the plastic casing has accommodating cavity and blow vent, and the top that the blow vent is located at the plastic casing connects with the accommodating cavity；The fusing point of the plastic casing is higher than the fusing point of the phase variant；The phase variant is placed in the accommodating cavity；The heat exchange pipeline is interspersed in the phase transformation body.The phase transition heat accumulation unit of technical solutions of the utility model can simplify the housing of phase transition heat accumulation unit, reduce manufacturing cost.
Description
Technical field
Heat energy equipment field is the utility model is related to, more particularly to a kind of phase transition heat accumulation unit and water heater.
Background technology
Water heater typically has the function of accumulation of heat, and the function saves heat by regenerative apparatus, with hot for users to use
Hot water can be obtained during water in time.The species of regenerative apparatus has a variety of, is enjoyed because the thermal storage density of phase change heat storage material is high
Favor, more and more extensive application is obtained as heat-storing material using phase-change material.
However, phase-change material has high latent heat, volumetric expansion occurs during phase variant heat-absorbing liquefaction.Existing phase-transition heat-storage
The structure of device causes the housing pressure-bearing of inner bag during phase transformation body fluid, the casing rigidity requirement of the inner bag of existing phase transition heat accumulation unit
Height, the manufacturing cost that result in the housing are high.
Utility model content
Main purpose of the present utility model is to propose a kind of phase transition heat accumulation unit and water heater, it is intended to simplifies phase-transition heat-storage dress
The housing put, reduce manufacturing cost.
To achieve the above object, the utility model proposes phase transition heat accumulation unit, including plastic casing, phase variant and heat exchange
Pipeline, the plastic casing have accommodating cavity and blow vent, and the blow vent is located at the top of the plastic casing and the appearance
Put chamber connection；The fusing point of the plastic casing is higher than the fusing point of the phase variant；The phase variant is placed in the accommodating cavity；
The heat exchange pipeline is interspersed in the phase transformation body.
Preferably, the blow vent includes air inlet and gas outlet, and the air inlet is provided with filter, the gas outlet
Provided with air bleeding valve.
Preferably, the heat exchange pipeline is set in coil pipe, and the heat exchange pipeline has multistage bending segment and multistage direct current section,
Bending segment semicircular in shape bending described in multistage, heat exchange gap is provided between each direct current section.
Preferably, fin is provided between the direct current section, length direction interval of the fin along the direct current section is set
Put.
Preferably, the plastic casing is in the form of a column setting, and the internal face of the side wall of the housing is provided with multiple extend in the same direction
Lug boss.
Preferably, the plastic casing is arranged to cylinder, and the lug boss has semi-circular cross-section, multiple projections
Inwall of the portion along the plastic casing is uniformly arranged, and adjacent two lug boss is tangent and is connected.
Preferably, the rectangular setting of the plastic casing, the plastic casing have four side walls, the two adjacent side walls
The junction of internal face be provided with reinforcement.
Preferably, the junction normal direction of internal face of the reinforcement along the adjacent side wall extends convex tendon.
Preferably, the plastic casing also includes thermal insulation barriers, and the thermal insulation barriers are covered in the outer surface of the plastic casing.
The utility model also proposes a kind of water heater, including phase transition heat accumulation unit, and the phase transition heat accumulation unit includes plastic cement
Housing, phase variant and heat exchange pipeline, the plastic casing have accommodating cavity and blow vent, and the blow vent is located at the plastic casing
The top of body connects with the accommodating cavity；The fusing point of the plastic casing is higher than the fusing point of the phase variant；The phase variant holds
It is placed in the accommodating cavity；The heat exchange pipeline is interspersed in the phase transformation body.
The utility model is by by the housing rubberized of phase transition heat accumulation unit, so as to reduce manufacturing cost.This
Utility model is exchanged heat by setting heat exchange pipeline to be interspersed in phase transformation body with phase variant, when liquefaction expansion occurs for phase variant, phase
The liquid level of variant floats because of volumetric expansion.Plastic casing has blow vent, and the blow vent is used for and atmosphere.Blow vent position
Connected in the top of plastic casing with accommodating cavity, blow vent is always positioned on phase variant, so that on the liquid level of phase variant
Blow vent will not be covered when floating, keeps blow vent unimpeded.For phase variant in accommodating cavity, the air pressure ventilated in password accommodating cavity will not
It is raised and lowered, plastic casing is used plastic parts.Plastic casing is made using plastic parts and advantageously reduces production cost, together
When, it is necessary to meet the plastic casing fusing point need to be higher than phase variant fusing point, with prevent phase transformation body absorb heat after melt plastic casing,
Safety guarantee is provided for the use of regenerative apparatus.Plastic casing is easier to volume production, and yields and uniformity are preferable, so as to reduce
Manufacturing cost.Plastic casing has good plastotype ability, can be made into cavity of different shapes, box-like, pipe
Shape or other irregular shapes etc., also, plastic casing can have higher design freedom for cavity of different shapes,
Be advantageous to late stage process improvement, it is cost-effective.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the internal structure schematic diagram of the utility model phase transition heat accumulation unit first embodiment；
Fig. 2 is the enlarged drawing of local A in Fig. 1；
Fig. 3 is the section view of plastic casing in Fig. 1；
Fig. 4 is the internal structure schematic diagram of the utility model phase transition heat accumulation unit second embodiment；
Fig. 5 is the internal structure schematic diagram of plastic casing in Fig. 4.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Plastic casing | 20 | Phase variant |
| 11 | Accommodating cavity | 30 | Heat exchange pipeline |
| 12 | Blow vent | 31 | Bending segment |
| 121 | Air inlet | 32 | Direct current section |
| 122 | Gas outlet | 321 | Fin |
| 13 | Side wall | 40 | Filter |
| 131 | Lug boss | 50 | Air bleeding valve |
| 132 | Reinforcement | 60 | Thermal insulation barriers |
| 133 | Convex tendon |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of phase transition heat accumulation unit.
In the utility model first embodiment, as depicted in figs. 1 and 2, solid line instruction with the arrow in figure be face,
The planes such as chamber, hole or space.The phase transition heat accumulation unit includes plastic casing 10, phase variant 20 and heat exchange pipeline 30, plastic casing
10 have accommodating cavity 11 and blow vent 12, and the top that blow vent 12 is located at plastic casing 10 connects with accommodating cavity 11；Plastic casing
10 fusing point is higher than the fusing point of phase variant 20；Phase variant 20 is placed in accommodating cavity 11；Heat exchange pipeline 30 is interspersed in phase variant 20
It is interior.
Shown in reference picture 1, in the present embodiment, specifically, the plastic casing 10 of phase transition heat accumulation unit has accommodating cavity 11, should
Accommodating cavity 11 is used to house heat storage medium, and the heat storage medium is phase variant 20.The capacity of accommodating cavity 11 is bigger, correspondingly, can be with
The phase variant 20 of receiving is also more.Phase variant 20 is used to carry out heat exchange absorption heat with the external world, then saves heat in appearance
Put in chamber 11, when needing to use the heat of phase transition heat accumulation unit, the heat of phase variant 20 is transferred out by heat exchange method
Phase transition heat accumulation unit, with external heat release.During phase variant Process of absorption or liberation of heat, phase variant 20 is undergone phase transition, and phase transformation effect is led
Cause phase 20 volume in accommodating cavity 11 of variant to change, when phase variant 20 absorbs enough heats, liquid is converted to by solid-state
State and volumetric expansion occurs；When phase variant 20 discharges enough heats, solid-state is converted into by liquid and volume contraction occurs.Should
Accommodating cavity 11 can accommodate phase variant 20 with enough spaces and expand, so that the pressure-bearing of plastic casing 10 is smaller.Need to explain
Bright is：Of course, it is possible to make phase variant 20 in accommodating cavity 11 by setting enough spaces, and plastic casing 10 is avoided to hold
Press through greatly, correspondingly, set space more than needed that the invalid storage volume of phase transition heat accumulation unit can be caused to increase too much.
Shown in reference picture 1, in the present embodiment, heat exchange pipeline 30 is interspersed in phase variant 20 and exchanged heat with phase variant 20, works as phase
When liquefaction expansion occurs for variant 20, the liquid level of phase variant 20 floats because of volumetric expansion.Plastic casing 10 has blow vent 12, should
Blow vent 12 is used for and atmosphere, it is of course also possible to set breather pipe to be connected with air, it is contemplated that cost optimization, be arranged to
Blow vent 12.The top that blow vent 12 is located at plastic casing 10 connects with accommodating cavity 11, blow vent 12 is always positioned at phase variant
On 20, so that the liquid level of phase variant 20 will not cover blow vent 12 when floating, keep blow vent 12 unimpeded.Blow vent 12 can
To be an interworking aperture or multiple unidirectional connected entrances, blow vent 12 is arranged into an interworking aperture to save into
This.The expansion or shrinkage in accommodating cavity 11 of phase variant 20, blow vent 12 make the air pressure in accommodating cavity 11 not to be raised and lowered, made
Plastic casing 10 can use plastic parts.Plastic casing 10 is made using plastic parts and advantageously reduces production cost, while, it is necessary to full
The fusing point of the foot plastic casing 10 need to be higher than the fusing point of phase variant 20, to prevent phase transformation body 20 from melting plastic casing 10 after absorbing heat,
Safety guarantee is provided for the use of regenerative apparatus.Plastic casing 10 is easier to volume production, and yields and uniformity are preferable, so as to reduce
Manufacturing cost.Plastic casing 10 has good plastotype ability, can be made into cavity of different shapes, such as box
Shape, tubulose or other irregular shapes etc., also, plastic casing 10 can have higher design for cavity of different shapes
The free degree, be advantageous to late stage process improvement, it is cost-effective.
It is shown referring to Figures 1 and 2 from the angle for improving cleanliness factor in accommodating cavity 11, in the present embodiment, blow vent 12
Including air inlet 121 and gas outlet 122, air inlet 121 and gas outlet 122 are all unidirectional connected entrance, and air inlet 121 was provided with
Device 40 is filtered, the filter 40 can be air filting material of filter screen, air filtering core, filter pulp or other forms etc., ability
Field technique personnel can obtain corresponding technical scheme, therefore not to repeat here by the utility model embodiment and accompanying drawing.The mistake
Filter device is used to prevent the impurity in the external world from entering by air inlet 121 in accommodating cavity 11, pollution phase variant 20, improves accommodating cavity
Cleanliness factor in 11.Further, introduced contaminants is caused to enter accommodating cavity 11 for frequently exhaust is prevented, gas outlet 122 is set
There is air bleeding valve 50, when phase variant 20, which liquefies, to be expanded, the air pressure increase in accommodating cavity 11, when the air pressure in accommodating cavity 11 increases to
Air bleeding valve 50 is opened during the threshold values of air bleeding valve 50, and the gas in accommodating cavity 11 discharges accommodating cavity 11 through gas outlet 122, passes through setting
Air bleeding valve 50 makes gas outlet 122 be converted to normally off by normal open state, further increases the cleanliness factor of accommodating cavity 11.
For the further purpose for improving heat exchange efficiency, shown in reference picture 1, in the present embodiment, heat exchange pipeline 30 is in coil pipe
Set, coil pipe has a bigger heat exchange area for straight tube, and rate of heat exchange is fast.Heat exchange pipeline 30 has multistage curved
Trisection 31 and multistage direct current section 32, the semicircular in shape bending of multistage bending segment 31 is roundabout to make heat exchange pipeline 30 be formed, and plays fully profit
Heat exchange gap is provided with the effect in the space of accommodating cavity 11, between each direct current section 32, for each direct current section 32 reclines setting,
The gap can make the contact area of phase variant 20 and heat exchange pipeline 30 bigger, fully improve heat exchange efficiency.Further improve and store
Heat exchange efficiency in thermal, fin 321 is provided between direct current section 32, fin 321 can be the sheet being separately provided, and also may be used
To be the tabular for connecting each direct current section 32, length direction of the fin 321 along the direct current section 32 is arranged at intervals, adjacent to make
Certain gap is formed between two fins 321, phase variant 20 is filled into the gap between each fin 321, so as to by with fin
321 contact heat-exchangings, further increase heat exchange area, improve heat exchange efficiency.
For the purpose for strengthening the intensity of plastic casing 10, the contact surface of the internal face and phase variant 20 of increase accommodating cavity 11
Product, advantageously reduces the unit area pressure of internal face, shown in reference picture 1, in the present embodiment, plastic casing 10, which is in the form of a column, to be set
Put, be provided with the inwall in the accommodating cavity 11 for being internally formed column of plastic casing 10, the side wall 13 of plastic casing 10 multiple same
To the lug boss 131 of extension, the shape of lug boss 131 is not especially limited, such as：The section of lug boss 131 can be in triangle
Shape, semicircle, the projection of rectangle or other irregular shapes, side wall 13 are provided with lug boss 131 so as to increase in side wall 13
Wall surface area.When the air pressure in accommodating cavity 11 changes, the pressure of internal face of side wall 13 is acted on contact area
Increase and reduce.
In order that the intensity of plastic casing 10 is more uniform, shown in reference picture 1 and Fig. 3, in the first embodiment, by plastic cement
Housing 10 is arranged to cylinder, and cylinder has a side wall 13 and is in uniform circular arc type, preferably to make in accommodating cavity 11
The stress in portion is more uniformly distributed.Lug boss 131 has semi-circular cross-section, its role is to increase the contact area of side wall 13, with drop
The unit area pressure of low sidewall 13.Inwall of multiple lug bosses 131 along plastic casing 10 is uniformly arranged, and is advantageous to make accommodating cavity
Stress equilibrium in 11, and make the intensity of side wall 13 more uniform.Two neighboring lug boss 131 is tangent and is connected, can be maximum
Change the inner space using accommodating cavity 11, further increase the area of contact surface.
Shown in inner space in view of matching water heater, reference picture 4 and Fig. 5, in a second embodiment, plastic casing 10
Rectangular setting, the inside for being advantageous to phase transition heat accumulation unit being embedded into water heater are installed, and are easy to match the interior of water heater
Portion space.Plastic casing 10 has four side walls 13, and the internal face junction of two adjacent walls 13 is provided with reinforcement 132, should add
Strengthening tendons 132 is used for the intensity of the junction of reinforced sidewall 13.The shape of reinforcement 132 can have it is a variety of, as triangle, it is trapezoidal and its
Its irregular shape etc., those skilled in the art can obtain corresponding scheme by the utility model embodiment and accompanying drawing,
This is not repeated.In order to further strengthen the intensity of plastic casing 10, in the present embodiment, friendship of the reinforcement 132 along adjacent wall 13
The place's of connecing normal direction extends convex tendon 133, with the intensity of reinforced sidewall 13.Certainly, the length that convex tendon 133 extends along the normal direction is got over
Long, the effect of the intensity of reinforced sidewall 13 is better.
From the angle for improving insulation, shown in reference picture 5, in the present embodiment, plastic casing 10 also includes thermal insulation barriers
60, for being thermally shielded insulation to the heat in phase transition heat accumulation unit.Thermal insulation barriers 60 are covered in the side wall 13 of plastic casing 10
Outer surface, heat exchange is carried out with extraneous to maximize barrier plastic casing 10, the heat losses in plastic casing 10 is avoided, makes phase
The accumulation of heat for becoming regenerative apparatus is better.
The utility model also proposes a kind of water heater, and the water heater includes foregoing phase transition heat accumulation unit, the phase-transition heat-storage
Concrete structure reference above-described embodiment of device, because this water heater employs whole technical schemes of above-mentioned all embodiments,
Therefore all beneficial effects caused by the same technical scheme with above-described embodiment, this is no longer going to repeat them.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. phase transition heat accumulation unit, it is characterised in that including：Plastic casing, the plastic casing have accommodating cavity and blow vent, and the blow vent is located at the top of the plastic casing Connected with the accommodating cavity；The fusing point of the plastic casing is higher than the fusing point of the phase variant；Phase variant, the phase variant are placed in the accommodating cavity；Heat exchange pipeline, the heat exchange pipeline are interspersed in the phase transformation body.
- 2. phase transition heat accumulation unit as claimed in claim 1, it is characterised in that the blow vent includes air inlet and gas outlet, The air inlet is provided with filter, and the gas outlet is provided with air bleeding valve.
- 3. phase transition heat accumulation unit as claimed in claim 2, it is characterised in that the heat exchange pipeline is set in coil pipe, described to change Hot channel has multistage bending segment and multistage direct current section, bending segment semicircular in shape bending described in multistage, between each direct current section Provided with heat exchange gap.
- 4. phase transition heat accumulation unit as claimed in claim 3, it is characterised in that fin is provided between the direct current section, it is described Length direction of the fin along the direct current section is arranged at intervals.
- 5. phase transition heat accumulation unit as claimed in claim 4, it is characterised in that the plastic casing is in the form of a column setting, the shell The internal face of the side wall of body is provided with multiple lug bosses extended in the same direction.
- 6. phase transition heat accumulation unit as claimed in claim 5, it is characterised in that the plastic casing is arranged to cylinder, described Lug boss has semi-circular cross-section, and inwall of multiple lug bosses along the plastic casing is uniformly arranged, and adjacent two is described convex The portion of rising is tangent and is connected.
- 7. phase transition heat accumulation unit as claimed in claim 5, it is characterised in that the rectangular setting of plastic casing, the modeling Glue housing has four side walls, and the junction of the internal face of the two adjacent side walls is provided with reinforcement.
- 8. phase transition heat accumulation unit as claimed in claim 7, it is characterised in that inwall of the reinforcement along the adjacent side wall The junction normal direction in face extends convex tendon.
- 9. phase transition heat accumulation unit as claimed in any of claims 1 to 8 in one of claims, it is characterised in that the plastic casing also wraps Thermal insulation barriers are included, the thermal insulation barriers are covered in the outer surface of the side wall of the plastic casing.
- 10. a kind of water heater, it is characterised in that the water heater includes phase transformation as in one of claimed in any of claims 1 to 9 Regenerative apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190906.3U CN206670429U (en) | 2017-02-28 | 2017-02-28 | Phase transition heat accumulation unit and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190906.3U CN206670429U (en) | 2017-02-28 | 2017-02-28 | Phase transition heat accumulation unit and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670429U true CN206670429U (en) | 2017-11-24 |
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ID=60380096
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720190906.3U Active CN206670429U (en) | 2017-02-28 | 2017-02-28 | Phase transition heat accumulation unit and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507390A (en) * | 2017-02-28 | 2018-09-07 | 美的集团股份有限公司 | Phase transition heat accumulation unit and water heater |
-
2017
- 2017-02-28 CN CN201720190906.3U patent/CN206670429U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507390A (en) * | 2017-02-28 | 2018-09-07 | 美的集团股份有限公司 | Phase transition heat accumulation unit and water heater |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221101 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong. Patentee before: MIDEA GROUP Co.,Ltd. |