CN104654606A - Solar energy storage water heater - Google Patents
Solar energy storage water heater Download PDFInfo
- Publication number
- CN104654606A CN104654606A CN201510072211.0A CN201510072211A CN104654606A CN 104654606 A CN104654606 A CN 104654606A CN 201510072211 A CN201510072211 A CN 201510072211A CN 104654606 A CN104654606 A CN 104654606A
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- heat
- inner bag
- solar energy
- water heater
- heat conduction
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention discloses a solar energy storage water heater which comprises an evacuated collector tube assembly and an energy accumulator, wherein the evacuated collector tube assembly comprises all-glass evacuated tubes and heat conducting rods; the heat conducting rods are arranged in the all-glass evacuated tubes; a solar energy absorption coating is arranged on the outer surface of each heat conducting rod; the energy accumulator comprises a heat insulating casing, an inner container, heat exchange coils, a phase change cool storage material, an air pressure balance valve and a plurality of heat conducting protrusions; the heat exchange coils and the phase change cool storage material are arranged in the inner container; the inner container is arranged in the heat insulating casing; one end of each heat conducting protrusion is tightly connected with the inner container; the other end of each heat conducting protrusion extends out of the heat insulating casing and is tightly attached to one end opening of the heat conducting rod; the air pressure balance valve is arranged at the top of the inner container and communicates the inner container with a body of the heat insulating casing; a heat-collecting circular inlet and a heat-collecting circular outlet are formed in one side face of the heat insulating casing; a pipe mouth at one end of each heat exchange coil is connected with the heat-collecting circular inlet; a pipe mouth at the other end of each heat exchange coil is connected with the heat-collecting circular outlet. Preferably, a membrane-like electric heating element is arranged on the outer surface of the inner container.
Description
Technical field
The present invention relates to solar energy heat collector, belong to the technical field of solar water heater, relate to a kind of technology of solar energy accumulation water heater of cistern free specifically.
Background technology
Now, in Solar use, solar energy is utilized to obtain life, the technology of the middle high-temperature-hot-water needed for heating has become ripe, but solar energy is in life, heating utilizes aspect to there is a fatal weakness, namely it is a kind of intermittent energy, solar radiation is subject to round the clock, the impact of season and sleety weather factor, show as discontinuity and unstability, trace it to its cause, the primary employing water tank of its system carries out heat supply, hot water is a kind of sensible heat, energy storage capacity is nowhere near, and in use also there is following defect in water tank: 1, water tank volume is large, on the one hand, when water consumption is few, water circulation is slow, causing can not heat exchange in time, affect user to use, and there is part dead water space, easy breed bacteria is unhygienic, water tank bulky is on the other hand installed and is placed inconvenience, is filled with water for a long time simultaneously, with the passing of time corrodes, there is the possibility of leaking in water tank, again on the one hand, water tank capacity is large, and for keeping health, water needs regular high-temperature heating, thus extremely takes electricity.2, heating water tanks can not carry out the water in heat exchange water tank to uniform temperature, as continued heating water tank, there will be water in water tank overheated; If do not continued heating water tank, it is overheated that heat collector will occur, thus damage heat collector.
Conventional solar boilers comprises heat collector and boiler and various assembly and forms a complete hot-water heating system, and systematic comparison is complicated.
For above-mentioned situation, market there is a kind of non-water tank solar water heater, substantially the problems referred to above are solved technically, namely in traditional solar vacuum heat-collecting pipe, energy storage materials of phase change is provided with, solar energy is stored in energy storage materials of phase change, again by water the heat indirect exchange in energy storage materials of phase change out, the supply of hot water is realized.This technology, is researched and developed by Himin Solar Energy (Shanghai) Co., Ltd. and the marketization.But, this cover technical matters is complicated, manufacturing cost is too high, in vacuum heat collection pipe temperature likely the problem such as overheated still exist, topmost problem is exactly that quantity of heat storage is limited, the central hot water supply that three-person household is daily can not be met, also need extra heat resource equipment for subsequent use, create overlapping investment.
Summary of the invention
The object of the invention is for original technology, provide a kind of solar water solution of near-zero energy consumption, in this programme, topmost technical characterstic is: do not establish solar energy absorbing coating in all-glass vacuum tube, but solar energy absorbing coating is set directly on the outer surface of heat conductive rod, absorbed heat by the closing-sunning type of heat conductive rod in all-glass vacuum tube, directly storage of solar energy is filled with in the storage body of energy storage materials of phase change to one, do not leak water in all-glass vacuum tube or heat conductive rod, but directly access city tap-water system by the heat exchange coil in storage body, the cold water entered in heat exchange coil after carrying out heat exchange with the energy storage materials of phase change in storage body, directly discharge the hot water needed, not only enormously simplify the manufacturing process of water heater, and improve solar energy collecting efficiency, do not need extra water-storing tank and the assembly such as traditional heat collector and water pump, on storage body outer surface, be also also provided with a membranaceous auxiliary electro-heat element, the energy supply be used for when regulating solar energy not enough.
For achieving the above object, present invention employs following technical proposal: a kind of solar energy accumulation water heater, comprise vacuum heat collection pipe assembly, storage body, it is characterized in that: described vacuum heat collection pipe assembly comprises all-glass vacuum tube, heat conductive rod, described heat conductive rod to be arranged in described all-glass vacuum tube and its outer surface is provided with solar energy absorbing coating; Described storage body comprises insulation shell, inner bag, heat exchange coil, energy storage materials of phase change, air pressure double-beat drop valve and some heat conduction and to dash forward body, described heat exchange coil, energy storage materials of phase change are arranged in described inner bag, described inner bag is arranged in described insulation shell, described heat conduction is dashed forward body one end and described inner bag body compact siro spinning technology, the other end then stretch out described insulation shell outer and and the Single port of described heat conductive rod fit tightly, described air pressure double-beat drop valve is arranged on described inner bag top and through inner bag and insulation shell body; One side of described insulation shell is provided with thermal-arrest circulation import and thermal-arrest loop exit, the thermal-arrest circulation import described in the mouth of pipe connection of one end of described heat exchange coil, the thermal-arrest loop exit described in the other end mouth of pipe connects.
As preferably, described outer surface of liner is provided with a membranaceous heating, on described outer surface of liner or inside is also provided with temperature sensor.Usually, membranaceous heating is silicon rubber heating film (sheet).
As preferably, the dash forward material of body of described inner bag and heat conduction is aluminium alloy, between the two by being welded into integrative-structure.Usually, heat conduction is dashed forward the body equidistantly side at inner bag arranged in a straight line.
As preferably, described heat conductive rod is overall rounded Aluminum Hollow alloy tubes, and its outer surface is provided with one deck solar energy absorbing coating, and one port and described heat conduction body of dashing forward fits tightly.
As preferably, described all-glass vacuum tube is enclosed within described heat conductive rod, and the port junction of all-glass vacuum tube is provided with a sealing ring, tail end is then fixed on bracket component, described bracket component comprises tail holder, support and backboard, and described tail care set is contained on the tail end of all-glass vacuum tube.
As preferably, described heat exchange coil is tube wall is undulatory corrugated stainless steel tubing.Usually, the advantage adopting stainless steel flexible hose is about 2 times that heat exchange area can be added the same length of greatly light pipe, thus increase heat exchange area, medium simultaneously in bellows is in high turbulence state and is not easy to deposit dirty class or other impurity, bellows is flexible member simultaneously, thus strong than the bearing capacity of common tube.
As preferably, in described inner bag, be also provided with the heat conduction baffle of a horizontal positioned.Usually, the heat conduction baffle of a horizontal positioned is set in the middle of the inner bag, which floor the inner space of inner bag is separated into, thus can avoid in the use procedure of energy storage materials of phase change as far as possible produce phenomenon of phase separation; Usually, heat conduction baffle also arranges some through holes, make the energy storage materials of phase change up/down perforation of inner bag inside; Usually, material and the heat conduction of heat conduction baffle dash forward body, inner bag material the same.
As preferably, in described inner bag, be also provided with the heat conduction baffle of a horizontal positioned, described heat conduction dash forward body one end to stretch in inner bag and and described heat conduction baffle be connected.Usually, such design makes the heat passed over from heat conductive rod, can arrive rapidly the inside of inner bag, thus heat quick storage in energy storage materials of phase change.
As preferably, described insulation shell comprises shell body and insulation material, and described insulation material is between shell body and inner bag.
As preferably, the phase transition temperature of described energy storage materials of phase change is between 70 DEG C to 90 DEG C, and in described inner bag, the amount of the energy storage materials of phase change of institute's filling is no more than 90% of described inner bag total measurement (volume).Usually, described energy storage materials of phase change is inorganic phase-changing material, comprises the crystalline hydrates such as fluoride salt, chloride, nitrate, carbonate, sulfate, or is the composite phase-change material that other salts of main compound are formed by these hydrated salts.
Compared with original technology, the invention provides a kind of technical scheme of solar energy accumulation water heater of cistern free, compare with conventional solar boilers, volume is little, quantity of heat storage is high more than three times, and hot water is walked in coil pipe, fresh hot water's plug and play, for user provides a kind of solar water solution of near-zero energy consumption, huge economic benefit and social benefit will be produced.For solar water heater and architecture-integral provide good solution, this water heater can not only together with balcony balustrade perfect adaptation, and, can be placed on arbitrarily on roof or hang on wall, do not need extra boiler and the assembly such as traditional heat collector and water pump, small and exquisite.
Accompanying drawing explanation
Fig. 1 is solar energy accumulation water heater perspective view of the present invention;
Fig. 2 is the structural representation of solar energy accumulation water heater of the present invention after removing support and backboard;
Fig. 3 is the solar energy accumulation water heater vacuum heat collection pipe assembly of embodiments of the invention 1 and the integrated structure schematic diagram of storage body;
Fig. 4 is the solar energy accumulation water heater vacuum heat collection pipe assembly of embodiments of the invention 2 and the integrated structure schematic diagram of storage body;
Fig. 5 is the A partial enlargement structural representation in Fig. 4 of the present invention;
Fig. 6 is the structural representation of all-glass vacuum tube of the present invention;
Fig. 7 is the structural representation of heat conductive rod of the present invention;
Fig. 8 is the structural representation of vacuum heat collection pipe assembly of the present invention (i.e. heat conductive rod and all-glass vacuum tube combination);
Fig. 9 is the surface structure schematic diagram of a kind of storage body of the present invention;
Figure 10 is the B-B cross section structure schematic diagram of the storage body shown in Fig. 9 of the present invention.
In figure, vacuum heat collection pipe assembly 1, storage body 2, insulation shell 3, heating 4, temperature sensor 5, sealing ring 6, bracket component 7, all-glass vacuum tube 10, heat conductive rod 11, solar energy absorbing coating 12, inner bag 20, heat exchange coil 21, energy storage materials of phase change 22, air pressure double-beat drop valve 23, heat conduction are dashed forward body 24, heat conduction baffle 25, thermal-arrest circulation import 30, thermal-arrest loop exit 31, shell body 32, insulation material 33, tail holder 70, support 71, backboard 72.
Embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, a kind of solar energy accumulation water heater, comprise vacuum heat collection pipe assembly 1, storage body 2, vacuum heat collection pipe assembly 1 comprises all-glass vacuum tube 10, heat conductive rod 11, and heat conductive rod 11 to be arranged in all-glass vacuum tube 10 and its outer surface to be provided with solar energy absorbing coating 12 (as shown in Figure 8);
Storage body 2 comprises insulation shell 3, inner bag 20, heat exchange coil 21, energy storage materials of phase change 22, air pressure double-beat drop valve 23 and some heat conduction and to dash forward body 24, heat exchange coil 21, energy storage materials of phase change 22 are arranged in inner bag 20, inner bag 20 is arranged in insulation shell 3, dash forward body 24 one end and inner bag 20 body of heat conduction welds together, the other end then stretches out outside insulation shell 3 and with the Single port of heat conductive rod 11 and fits tightly, and air pressure double-beat drop valve 23 is arranged on inner bag 20 top and through inner bag 20 and insulation shell 3 body; One side of insulation shell 3 is provided with thermal-arrest circulation import 30 and thermal-arrest loop exit 31, one end mouth of pipe of heat exchange coil 21 connects thermal-arrest circulation import 30, the other end mouth of pipe connects thermal-arrest loop exit 31, in the present embodiment, heat exchange coil 21 for tube wall be undulatory corrugated stainless steel tubing, insulation shell 3 comprises shell body 32 and insulation material 33, and insulation material 33 is between shell body 32 and inner bag 20.
In the present embodiment, inner bag 20 outer surface is provided with a membranaceous heating 4, inner bag 20 inside is also provided with temperature sensor 5;
In the present embodiment, the dash forward material of body 24 of inner bag 20 and heat conduction is No. 3003 aluminium alloys, between the two by being welded into integrative-structure.Heat conductive rod 11 is overall rounded Aluminum Hollow alloy tubes, and its outer surface is provided with one deck solar energy absorbing coating 12, one port and heat conduction body 24 of dashing forward fits tightly, and heat conduction body 24 of dashing forward is overall cylindrical, and heat conductive rod 11 is inserted in heat conduction by the extruding of certain external force dashes forward on body 24.
To dash forward in heat conduction the root of body 24, offer a circular hole, first heat conductive rod 11 is enclosed within heat conduction and dashes forward after on body 24, then allow all-glass vacuum tube 10 be enclosed within heat conductive rod 11, and the port junction of all-glass vacuum tube 10 and circular hole place are provided with a sealing ring 6;
The tail end of all all-glass vacuum tubes is then fixed on bracket component 7, and bracket component 7 comprises tail holder 70, support 71 and backboard 72, and tail holder 70 is sleeved on the tail end of all-glass vacuum tube 10.
In the present embodiment, in inner bag 20, be also provided with the heat conduction baffle 25 of a horizontal positioned by middle.
In the present embodiment, energy storage materials of phase change 22 is latent heat type energy-accumulation material, it utilizes material to be liquid by Solid State Transformation, be gaseous state by liquid state, or by solid-state directly change gaseous state (distillation) into time, and in the inverse interchange process of phase, the heat of transformation discharging or absorb reaches the object of store heat and release heat heating water.In the present embodiment, the phase transition temperature of energy storage materials of phase change 22 is between 70 DEG C to 90 DEG C, and in inner bag 20, the amount of the energy storage materials of phase change 22 of institute's filling is no more than 90% of inner bag 20 total measurement (volume).
Embodiment 2:
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, in the present embodiment, the heat conduction baffle 25 of a horizontal positioned is also provided with in inner bag 20, and heat conduction dash forward body 24 one end directly to stretch in inner bag 20 and and heat conduction baffle 25 integrally welded, be beneficial to like this and heat conductive rod 11 collected the bosom that the heat of coming can be delivered to inner bag 20 fast.Other with embodiment 1 roughly the same, no longer repeat at this.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ vacuum heat collection pipe assembly herein, the terms such as body, heat conduction baffle, thermal-arrest circulation import, thermal-arrest loop exit, shell body, insulation material, tail holder, support, backboard dashed forward in storage body, insulation shell, heating, temperature sensor, sealing ring, bracket component, all-glass vacuum tube, heat conductive rod, solar energy absorbing coating, inner bag, heat exchange coil, energy storage materials of phase change, air pressure double-beat drop valve, heat conduction, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. a solar energy accumulation water heater, comprise vacuum heat collection pipe assembly (1), storage body (2), it is characterized in that: described vacuum heat collection pipe assembly (1) comprises all-glass vacuum tube (10), heat conductive rod (11), described heat conductive rod (11) to be arranged in described all-glass vacuum tube (10) and its outer surface to be provided with solar energy absorbing coating (12), described storage body (2) comprises insulation shell (3), inner bag (20), heat exchange coil (21), energy storage materials of phase change (22), air pressure double-beat drop valve (23) and some heat conduction are dashed forward body (24), described heat exchange coil (21), energy storage materials of phase change (22) is arranged in described inner bag (20), described inner bag (20) is arranged in described insulation shell (3), described heat conduction is dashed forward body (24) one end and described inner bag (20) body compact siro spinning technology, the other end then stretch out described insulation shell (3) outward and and the Single port of described heat conductive rod (11) fit tightly, described air pressure double-beat drop valve (23) is arranged on described inner bag (20) top and through inner bag (20) and insulation shell (3) body, one side of described insulation shell (3) is provided with thermal-arrest circulation import (30) and thermal-arrest recycles (31), the thermal-arrest circulation import (30) described in the mouth of pipe connection of one end of described heat exchange coil (21), the thermal-arrest loop exit (31) described in the other end mouth of pipe connects.
2. a kind of solar energy accumulation water heater according to claim 1, it is characterized in that: described inner bag (20) outer surface is provided with a membranaceous heating (4), on described inner bag (20) outer surface or inside is also provided with temperature sensor (5).
3. a kind of solar energy accumulation water heater according to claim 1, is characterized in that: the dash forward material of body (24) of described inner bag (20) and heat conduction is aluminium alloy, between the two by being welded into integrative-structure.
4. a kind of solar energy accumulation water heater according to claim 1, it is characterized in that: described heat conductive rod (11) is overall rounded Aluminum Hollow alloy tubes, and its outer surface being provided with one deck solar energy absorbing coating (12), one port and described heat conduction body (24) of dashing forward fits tightly.
5. a kind of solar energy accumulation water heater according to claim 1 and 4, it is characterized in that: described all-glass vacuum tube (10) is enclosed within described heat conductive rod (11), and the port junction of all-glass vacuum tube (10) is provided with a sealing ring (6), tail end is then fixed on bracket component (7), described bracket component (7) comprises tail holder (70), support (71) and backboard (72), and described tail holder (70) is sleeved on the tail end of all-glass vacuum tube (10).
6. a kind of solar energy accumulation water heater according to claim 1, is characterized in that: described heat exchange coil (21) for tube wall be undulatory corrugated stainless steel tubing.
7. a kind of solar energy accumulation water heater according to claim 1, is characterized in that: the heat conduction baffle (25) being also provided with a horizontal positioned in described inner bag (20).
8. a kind of solar energy accumulation water heater according to claim 1, it is characterized in that: the heat conduction baffle (25) being also provided with a horizontal positioned in described inner bag (20), described heat conduction dash forward body (24) one end to stretch in inner bag (20) and and described heat conduction baffle (25) be connected.
9. a kind of solar energy accumulation water heater according to claim 1, it is characterized in that: described insulation shell (3) comprises shell body (32) and insulation material (33), described insulation material (33) is between shell body (32) and inner bag (20).
10. a kind of solar energy accumulation water heater according to claim 1, it is characterized in that: the phase transition temperature of described energy storage materials of phase change (22) is between 70 DEG C to 90 DEG C, and the amount of the energy storage materials of phase change (22) of described inner bag (20) interior institute filling is no more than 90% of described inner bag (20) total measurement (volume).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072211.0A CN104654606A (en) | 2015-02-09 | 2015-02-09 | Solar energy storage water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072211.0A CN104654606A (en) | 2015-02-09 | 2015-02-09 | Solar energy storage water heater |
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| Publication Number | Publication Date |
|---|---|
| CN104654606A true CN104654606A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510072211.0A Pending CN104654606A (en) | 2015-02-09 | 2015-02-09 | Solar energy storage water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783285A (en) * | 2016-04-27 | 2016-07-20 | 北京桑达太阳能技术有限公司 | Heat accumulation type domestic solar water heating system |
| CN108895677A (en) * | 2018-08-13 | 2018-11-27 | 山东小鸭新能源科技有限公司 | A kind of phase transformation heat collection, energy storage one solar water heater |
-
2015
- 2015-02-09 CN CN201510072211.0A patent/CN104654606A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783285A (en) * | 2016-04-27 | 2016-07-20 | 北京桑达太阳能技术有限公司 | Heat accumulation type domestic solar water heating system |
| CN108895677A (en) * | 2018-08-13 | 2018-11-27 | 山东小鸭新能源科技有限公司 | A kind of phase transformation heat collection, energy storage one solar water heater |
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Application publication date: 20150527 |