CN203908059U - Pressure-bearing type solar water heater - Google Patents
Pressure-bearing type solar water heater Download PDFInfo
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- CN203908059U CN203908059U CN201420358356.8U CN201420358356U CN203908059U CN 203908059 U CN203908059 U CN 203908059U CN 201420358356 U CN201420358356 U CN 201420358356U CN 203908059 U CN203908059 U CN 203908059U
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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
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Abstract
The utility model relates to a pressure-bearing type solar water heater. The pressure-bearing type solar water heater comprises a connection box, an intensive water storage box and a heat collection pipe, wherein the lower part of the connection box is communicated with the intensive water storage box to form a loop; the heat collection pipe comprises a glass vacuum pipe; the glass vacuum pipe comprises a glass inner pipe arranged in the glass vacuum pipe; a space in the glass inner pipe is a medium storage space; a hard inner pipe is also arranged in the medium storage space; the hard inner pipe is filled with a filler; the periphery size of the filler is smaller than the inner size of the hard inner pipe; a positioning part is arranged between the filler and the hard inner pipe; the lower part of the water tank is communicated with an inner pipe opening end of at least one heat collection pipe; a heat-transfer medium is stored in a narrow and small space between the hard inner pipe and the filler, so that the volume of the heat-transfer medium stored in the heat collection pipe is smaller; even if the heat collection pipe has a large size, the medium can also be quickly heated to form a cycle; and the waste of the heat is reduced.
Description
Technical field
The utility model belongs to solar water heater field, and concrete is the pressure-bearing type solar water heater being provided with the thermal-collecting tube of obturator.
Background technology
Solar water heater is to utilize sunshine heat by the equipment of water heating, and it generally includes the thermal-collecting tube of the water storage water tank of using and the use of absorbing heat, and water tank and thermal-collecting tube storage inside have heat transfer medium.According to water tank and thermal-collecting tube inside whether pressurized can be divided into two kinds of non-bearing type solar water heater and pressure-bearing type solar water heaters.
The solar water heater of pressure-bearing type, is to allow the heat transfer medium of water tank and thermal-collecting tube inside keep certain pressure, and for example water tank is direct and water supply pipe is connected, and utilizes the pressure of running water that the hydraulic pressure after heating is gone out to arrive user side.So just water tank can be arranged on to the position near user side, and need not consider the situation of height fall, water tank from user side more close to, intermediate conduit is fewer, is conducive to making full use of of hot water; And because having certain pressure, hot water can coordinate easily temperature adjustment to use with running water cold water pipe.
The most frequently used thermal-collecting tube of solar water heater is glass heat-collecting vacuum tube, its structure is the cup-like structure that double glazing is made, it between inner and outer tubes, is wherein vacuum, this makes can greatly reduce outside the scattering and disappearing of heat after thermal-collecting tube heat absorption, thereby by heat transfer medium, for example water, is heated to higher temperature.Hot water density after heating diminishes, and from media storage space, flows up into header, and the cold water in header flows back to thermal-collecting tube downwards simultaneously, thereby forms temperature difference circulation.But because glass heat-collecting vacuum tube intensity is not high, if for pressure-bearing type solar water heater, thermal-collecting tube is very easy to break.
So traditional pressure-bearing type solar water heater is all that the form that directly adopts metal tube or metal tube to add metal fin is made thermal-collecting tube.Although the metal tube of this solar water heater can meet the requirement of heat transfer medium pressurization, the amount of heat but the mode that can lead to heat transfer due to metal tube is is outwards scattered and disappeared, it is outwards lost that this causes the interior heated while of heat transfer medium of thermal-collecting tube also to have amount of heat, heat transfer medium in thermal-collecting tube is difficult to form larger temperature difference, if thermal-collecting tube size more greatly, is difficult to form temperature difference circulation.
Utility model content
Technical problem to be solved in the utility model is: a kind of pressure-bearing type solar water heater that includes novel heat collecting pipe is provided, can makes heat transfer medium be rapidly heated and form temperature difference circulation.
The utility model solves the technical scheme that its technical problem adopts:
Pressure-bearing type solar water heater, comprises header, concentrates storage tank and thermal-collecting tube, and described header comprises inner water tank, is provided with header water inlet and header delivery port on described water tank; Described concentrated storage tank comprises storage tank loop exit, storage tank circulation import and the mouth of a river from the beginning; Described header water inlet is communicated with storage tank loop exit, described header delivery port is communicated with storage tank circulation import, the described mouth of a river is from the beginning communicated with running water water inlet pipe, described thermal-collecting tube comprises glass-vacuum tube, described glass-vacuum tube is the cup-like structure that double glazing forms, glass-vacuum tube one end is thermal-collecting tube blind end, and the other end is thermal-collecting tube openend; Glass-vacuum tube comprises inner glass inner tube, space in glass inner tube is media storage space, described media storage is also provided with hard inner tube in space, described hard inner tube is inner tube blind end near one end of thermal-collecting tube blind end, the inner tube openend that the hard inner tube other end is hatch frame, in described hard inner tube, be provided with obturator, described obturator Outside Dimensions is less than hard inner tube inside dimension, between described obturator and hard inner tube, is provided with positioning element; Described water tank bottom is communicated with the inner tube openend of at least one thermal-collecting tube.
Further, described obturator is column structure, and the external diameter of obturator is less than hard inner tube diameter; Described obturator is obturator bottom near one end of described thermal-collecting tube blind end, and described inner tube blind end and obturator two ends are arc, and obturator bottom is less than inner tube blind end.
Further, described positioning element is convergence piece, and described convergence piece two ends are fixedly connected with hard inner tube with obturator respectively.
Further, described positioning element is the locating support that is arranged on obturator lateral location, described locating support comprises annular ring, in annular ring, be provided with at least three elastic rings, described elastic ring is uniformly distributed along the circumference, a part for elastic ring is resisted against pipe internal surface in hard, and another part is resisted against obturator outer surface.
Further, described header water inlet, storage tank loop exit, header delivery port and the residing height of storage tank circulation import set gradually from low to high.
Further, described water tank bottom offers heat pipe hole, is connected with inner tube Plug Division with heat pipe hole, and inner tube Plug Division and inner tube openend size are suitable, and inner tube openend and inner tube Plug Division are plugged in together, between described inner tube openend and inner tube Plug Division, be provided with grafting sealing ring.
Further, described inner tube Plug Division is arranged on outside water tank, and described inner tube Plug Division medial surface is provided with at least one Plug Division groove, and described grafting sealing ring is arranged in the groove of Plug Division, and it is inner that described inner tube openend is plugged in inner tube Plug Division.
Further, described water tank periphery is enclosed with heat-insulation layer, described heat-insulation layer offers glass tube Plug Division near the position of inner tube Plug Division, and the Outside Dimensions of the opening size of glass tube Plug Division and described thermal-collecting tube openend is suitable, and thermal-collecting tube openend is plugged in glass tube Plug Division; On described glass-vacuum tube, between the outer circumference surface of close thermal-collecting tube openend and glass tube Plug Division medial surface, be also provided with caoutchouc elasticity circle, described caoutchouc elasticity ring cross-section is L shaped, L shaped one end is stretched in glass tube Plug Division, and the L shaped other end is resisted against the outer surface of heat-insulation layer.
Further, the external diameter of described hard inner tube and the internal diameter of glass inner tube are suitable.
Further, between described glass inner tube and hard inner tube, and be provided with thermal-collecting tube sealing ring near the position of thermal-collecting tube openend; Described hard inner tube outer surface is provided with the groove with thermal-collecting tube sealing ring adaptation, and described thermal-collecting tube sealing ring is arranged in groove, and described thermal-collecting tube sealing ring is O RunddichtringO, and described hard inner tube is stainless steel tube; Between described glass inner tube and hard inner tube, and be provided with heat preservation component near the position of thermal-collecting tube openend, described heat preservation component is aluminosilicate fiber cotton.
The beneficial effects of the utility model are: pressure-bearing type solar water heater of the present utility model, its thermal-collecting tube outside is glass-vacuum tube, in the media storage space of glass-vacuum tube inside, be provided with hard inner tube, in hard inner tube, be provided with obturator, heat transfer medium is stored in the small space between hard inner tube and obturator, this tails off the heat transfer medium volume of storage in thermal-collecting tube, even if thermal-collecting tube has large-size, also can make medium be rapidly heated and form circulation, can also reduce on the other hand the heat transfer medium capacity of storage in thermal-collecting tube, reduce heat waste.In addition, the glass-vacuum tube of hard inner tube outer setting, can reduce heat and outwards scatter and disappear, and makes heat transfer medium be heated to higher temperature.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of pressure-bearing type solar water heater of the present utility model, and the thermal-collecting tube of two kinds of different embodiments has been installed in its underpart;
Fig. 2 is the enlarged diagram of thermal-collecting tube and header junction in Fig. 1;
Fig. 3 is the schematic diagram of a kind of embodiment of positioning element of thermal-collecting tube in pressure-bearing type solar water heater of the present utility model;
In figure, parts Reference numeral is: 1-thermal-collecting tube, 11-glass-vacuum tube, 12-glass inner tube, 13-media storage space, 14-thermal-collecting tube blind end, 15-thermal-collecting tube openend, 19-selects absorbed layer, 2-hard inner tube, 21-inner tube blind end, 22-obturator, 23-obturator bottom, 25-inner tube openend, 3-thermal-collecting tube sealing ring, 31-heat preservation component, 4-heat pipe hole, 5-inner tube Plug Division, 51-Plug Division groove, 52-grafting sealing ring, 6-header, 61-water tank, 62-heat-insulation layer, 63-header delivery port, 64-header water inlet, 65-glass tube Plug Division, 66-caoutchouc elasticity circle, 7-concentrates storage tank, 71-storage tank circulation import, 72-hot water outlet, 73-is the mouth of a river from the beginning, 75-storage tank loop exit, 8-circulating pump, 91-convergence piece, 92-locating support, 921-annular ring, 922-elastic ring.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated: as shown in Figure 1:
Pressure-bearing type solar water heater, comprises header 6, concentrates storage tank 7 and thermal-collecting tube 1, and described header 6 comprises inner water tank 61, is provided with header water inlet 64 and header delivery port 63 on described water tank 61; Described concentrated storage tank 7 comprises storage tank loop exit 75, storage tank circulation import 71 and the mouth of a river 73 from the beginning; Described header water inlet 64 is communicated with storage tank loop exit 75, described header delivery port 63 is communicated with storage tank circulation import 71, the described mouth of a river from the beginning 73 is communicated with running water water inlet pipe, described thermal-collecting tube 1 comprises glass-vacuum tube 11, the cup-like structure that described glass-vacuum tube 11 forms for double glazing, glass-vacuum tube 11 one end are thermal-collecting tube blind end 14, and the other end is thermal-collecting tube openend 15; Glass-vacuum tube 11 comprises inner glass inner tube 12, space in glass inner tube 12 is media storage space 13, in described media storage space 13, be also provided with hard inner tube 2, described hard inner tube 2 is inner tube blind end 21 near one end of thermal-collecting tube blind end 14, the inner tube openend 25 that hard inner tube 2 other ends are hatch frame, in described hard inner tube 2, be provided with obturator 22, described obturator 22 Outside Dimensions are less than hard inner tube 2 inside dimensions, between described obturator 22 and hard inner tube 2, are provided with positioning element; Described water tank 61 bottoms are communicated with the inner tube openend 25 of at least one thermal-collecting tube 1.
Pressure-bearing type solar water heater of the present utility model, comprises header 6, thermal-collecting tube 1 and concentrated storage tank 7, and described thermal-collecting tube 1 is arranged on header 6 bottoms, concentrates storage tank 7 and header 6 to form loop capable of circulation by pipeline connection.
Header 6 comprises inner water tank 61, and water tank 61 is for storing heat transfer medium, and so-called heat transfer medium refers to and absorb sunshine heat, and heat is carried to the material of user side, water usually in solar water heater for example, or anti-icing fluid is as heat transfer medium.
Thermal-collecting tube 1 is by the heat absorption of sunshine and passes to the parts of its inner heat transfer medium, and it comprises outside glass-vacuum tube 11, inner hard inner tube 2 and the obturator 22 in hard inner tube 2.
Hard inner tube 2 is arranged in the inner media storage space 13 forming of glass inner tube 12, glass inner tube 12 surface-coateds in glass-vacuum tube 11 have the absorbed layer 19 of selection, during water heater working, select absorbed layer 19 fully to absorb the heat of sunshine, and logical heat transfer raises the heat transfer medium temperature in hard inner tube 2, in hard inner tube 2, be provided with obturator 22, obturator 22 Outside Dimensions are less than hard inner tube 2 inside dimensions, heat transfer medium is entered after hard inner tube 2, be compressed in the small space between obturator 22 and hard inner tube 2.
This makes sunshine heat that thermal-collecting tube 1 absorbs be absorbed by heat transfer medium still less, so heat transfer medium temperature can raise sooner, and forms circulation.Because there is all the time high-temperature medium cannot reach user side in thermal-collecting tube 1, so the heat transfer medium of storage is fewer in thermal-collecting tube 1, the high-temperature medium in relative concentrated storage tank 7 is just more, and this is conducive to making full use of of high-temperature medium.
Because hard inner tube 2 is outside equipped with glass-vacuum tube 11, be vacuum between the inner and outer tubes of glass-vacuum tube 11, the heat that can obviously reduce absorption scatters and disappears to thermal-collecting tube 1 is extraneous simultaneously.Heat transfer medium is all stored in hard inner tube 2, hard inner tube 2 is compared and is had higher intensity with glass tube, bears larger pressure and also can not damage, even if outside glass-vacuum tube 11 breaks accidentally, heat transfer medium can not occur yet and leak, whole hot-water heating system can also remain in operation; While needing repairing, only damaged glass-vacuum tube 11 need to be pulled down, at original hard inner tube 2 overcoats, load onto new glass-vacuum tube.
Described hard inner tube 2 can be any have higher-strength and the good material of heat conduction, such as copper pipe, stainless steel tube, alumina ceramic tube etc.Obturator 22 can be solid construction, can be also hollow-core construction, and while adopting hollow-core construction, obturator 22 is interior can be vacuum state, also can be filled with inert gas, reduces its thermal conductivity.
Described obturator 22 is so long as Outside Dimensions is less than hard inner tube 2 inside dimensions, can between obturator 22 and hard inner tube 2, form the small space of storage medium, reach the effect of quick formation circulation, preferably, can be that described obturator 22 is column structure, the external diameter of obturator 22 be less than hard inner tube 2 internal diameters.Adopt this embodiment, obturator 22 can better coordinate with hard inner tube 2, heat transfer medium is distributed more even, and so-called column structure comprises the structures such as cylinder, prism.
Described hard inner tube 2 is inner tube blind end 21 near one end of described thermal-collecting tube blind end 14, and described obturator 22 is obturator bottom 23 near one end of described thermal-collecting tube blind end 14.Inner tube blind end 21 and obturator bottom 23 so long as meet closing structure, for example, can be the flat-bottom structures of sealing, can be preferably that described inner tube blind end 21 and obturator 22 two ends are arc, and obturator bottom 23 are less than inner tube blind end 21.Adopt the benefit of above-mentioned arcuate structure to be, the obturator 22 of hard inner tube 2 and employing hollow-core construction can better bear internal pressure.
The positioning element arranging between described obturator 22 and hard inner tube 2 its role is to prevent that obturator 22 from shaking in hard inner tube 2.Its implementation can be the mode that obturator 22 is fixedly connected with, and for example: described positioning element is convergence piece 91, described convergence piece 91 two ends are fixedly connected with hard inner tube 2 with obturator 22 respectively.As shown in the thermal-collecting tube 1 on the left side in Fig. 1 embodiment, convergence piece 91 is fixed together obturator 22 and hard inner tube 2.The mode being fixedly connected with can be welding, the mode such as bonding.
Prevent that obturator 22 from shaking in hard inner tube 2, also can be that obturator 22 is connected with hard inner tube 2 is dismountable, for example: described positioning element is the locating support 92 that is arranged on obturator 22 lateral location, described locating support 92 comprises annular ring 921, in annular ring 921, be provided with at least three elastic rings 922, described elastic ring 922 is uniformly distributed along the circumference, and a part for elastic ring 922 is resisted against hard inner tube 2 inner surfaces, and another part is resisted against obturator 22 outer surfaces.
As shown in the thermal-collecting tube 1 on the right in Fig. 3 and Fig. 1 embodiment, locating support 92 can be to have flexible material to make, for example steel wire.After installing, annular ring 921 is set in obturator 22 peripheries, on three elastic rings 922, the circle at the some place in close annular ring 921 centers of circle is less than obturator 22 Outside Dimensions, make the elastic ring 922 can be against being pressed on obturator 22 outer surfaces, same principle, three elastic rings 922 are greater than the internal diameter of hard inner tube 2 away from the circle at the some place in annular ring 921 centers of circle, make the elastic ring 922 can be against being pressed on hard inner tube 2 inner surfaces.Elastic ring 922 is uniformly distributed along the circumference and can ensures that obturator 22 surface balances are stressed.
Adopt in this way, obturator 22 can dismounting easily in hard inner tube 2.For preventing that obturator bottom 23 and inner tube blind end 21 excessive contact from affecting medium circulation, can also also arrange support between obturator bottom 23 and inner tube blind end 21.
Described water tank 61 bottoms are communicated with the inner tube openend 25 of at least one thermal-collecting tube 1, small space between hard inner tube 2 and obturator 22 and water tank 61 internal cavities form a whole cavity, heat transfer medium is heated rear density step-down, the medium of high temperature can move upward and remain at the position, upper strata of container, in order to guarantee that the high-temperature medium that header 6 was collected can enter concentrated storage tank 7, just need heat transfer medium between header 6 and concentrated storage tank 7, to circulate, its implementation can be by temperature difference Natural Circulation or forced circulation.
The embodiment of forced circulation can be between described header water inlet 64 and storage tank loop exit 75, or between header delivery port 63 and storage tank circulation import 71 pipeline on be also provided with circulating pump 8.
For example using water during as heat transfer medium, as shown in Figure 1, running water enters from the mouth of a river 73 from the beginning concentrates storage tank 7, start after circulating pump 8, make to concentrate the cold water in storage tank 7 to flow in header 6 and thermal-collecting tube 1, the selection absorbed layer 19 of coating in described glass inner tube 12 simultaneously absorbs the heat of sunshine, and the mode of logical heat transfer passes to the water of hard inner tube 2 inside; Hot water after heating moves upward and is collected in header 6, enters and concentrates storage tank 7 subsequently under the effect of circulating pump 8 from the pipeline between header delivery port 63 and storage tank circulation import 71; Concentrate cold water in storage tank 7 from the pipeline of 75 of header water inlet 64 and storage tank loop exits, to flow back to thermal-collecting tube 1.After repeated multiple times circulating-heating, concentrate the water in storage tank 7 can reach higher temperature, open the valve with hot water outlet 72 places of concentrated storage tank 7, the hydraulic pressure of running water can extrude hot water from hot water outlet 72, and the hydraulic pressure of hot water is identical with running water pressure, user uses very easily and mixes and use.
In addition,, owing to concentrating the hot water in storage tank 7 always can collect in the high-rise position in case, so hot water outlet 72 preferably can be arranged on the eminence of concentrating storage tank 7, the water that while using hot water, temperature is higher can flow out from hot water outlet 72 at first.
The embodiment of temperature difference Natural Circulation can be that described header water inlet 64, storage tank loop exit 75, header delivery port 63 and storage tank circulation import 71 residing height set gradually from low to high.
This embodiment is to utilize the low principle of hot water density ratio cold water density, when concentrated storage tank 7, header 6 and thermal-collecting tube 1 inside are all after water-filling, thermal-collecting tube 1 absorbs sunshine heat by the water heating of hard inner tube 2 inside, hot water can move upward and remain on the position, upper strata of water tank 61 in waters, then from header delivery port 63, continue to upper reaches, from storage tank circulation import 71, enter to concentrate storage tank 7 and rest on and concentrate storage tank 7 upper stratas, the cold water of simultaneously concentrating storage tank 7 lower floors flows to water tank 61 from the back of pipeline of 64 of storage tank loop exit 75 and header water inlets, further flow in hard inner tube 2.So repeatedly after circulation, concentrate the water in storage tank 7 also can be heated to higher temperature.
The embodiment of above-mentioned dependence temperature difference Natural Circulation, requires circulation line to have lower flow resistance.Pipeline will be avoided bending as far as possible, and most preferably, described header water inlet 64 is communicated with by straight pipeline with storage tank loop exit 75, and described header delivery port 63 is also communicated with by straight pipeline with storage tank circulation import 71.
The mode that water tank 61 bottoms are communicated with the inner tube openend 25 of thermal-collecting tube 1, it can be any conventional set-up mode, for example water tank 61 bottoms are welding and are communicated with the inner tube openend 25 of thermal-collecting tube 1, or the inner tube openend 25 of water tank 61 bottoms and thermal-collecting tube 1 is threaded connection and conducting, can also be preferably following embodiment:
Described water tank 61 bottoms offer heat pipe hole 4, be connected with inner tube Plug Division 5 with heat pipe hole 4, inner tube Plug Division 5 is suitable with inner tube openend 25 sizes, and inner tube openend 25 is plugged in together with inner tube Plug Division 5, between described inner tube openend 25 and inner tube Plug Division 5, is provided with grafting sealing ring 52.
As depicted in figs. 1 and 2, in this embodiment, described water tank 61 bottoms are communicated with the mode that the employing of inner tube openend 25 is pegged graft, inner tube Plug Division 5 is suitable with inner tube openend 25 sizes, and between is provided with grafting sealing ring 52, grafting sealing ring 52 can guarantee that plug-in position can not leak.
In above-mentioned embodiment, inserting mode can be both that inner tube openend 25 is plugged in inner tube Plug Division 5, can be also that inner tube Plug Division 5 is plugged in inner tube openend 25; Described inner tube Plug Division 5 can be arranged in water tank 61 and also can be arranged on outside water tank 61.Preferably, can adopt following embodiment:
Described inner tube Plug Division 5 is arranged on outside water tank 61, and described inner tube Plug Division 5 medial surfaces are provided with at least one Plug Division groove 51, and described grafting sealing ring 52 is arranged in Plug Division groove 51, and described inner tube openend 25 is plugged in 5 inside, inner tube Plug Division.
In this embodiment, inner tube Plug Division 5 is connected with heat pipe hole 4 and to water tank 61 extensions, in inner tube Plug Division, 5 inner surfaces are provided with Plug Division groove 51, grafting sealing ring 52 is arranged in Plug Division groove 51, arranging like this can be limited in grafting sealing ring 52 in Plug Division groove 51, slides in sealing ring 52 positions that prevent from pegging graft.Described grafting sealing ring 52 can be any conventional hermetically-sealed construction, for example, and V-shaped seal ring, O RunddichtringO etc.
In aforesaid several embodiment, after hard inner tube 2 is pegged graft with water tank 61, whole thermal-collecting tube 1 just links together with header 6.In order further to strengthen the fixed effect to outside glass-vacuum tube 11, can be that described water tank 61 peripheries are enclosed with heat-insulation layer 62, described heat-insulation layer 62 offers glass tube Plug Division 65 near the position of inner tube Plug Division 5, the Outside Dimensions of the opening size of glass tube Plug Division 65 and described thermal-collecting tube openend 15 is suitable, and thermal-collecting tube openend 15 is plugged in glass tube Plug Division 65; On described glass-vacuum tube 11, between the outer circumference surface of close thermal-collecting tube openend 15 and glass tube Plug Division 65 medial surfaces, be also provided with caoutchouc elasticity circle 66, described caoutchouc elasticity circle 66 cross sections are L shaped, L shaped one end is stretched in glass tube Plug Division 65, and the L shaped other end is resisted against the outer surface of heat-insulation layer 62.
Heat-insulation layer 62 effects of water tank 61 peripheral parcels are heat transfer medium to be incubated, as depicted in figs. 1 and 2, described inner tube openend 25 is plugged in inner tube Plug Division 5, and the thermal-collecting tube openend 15 of glass-vacuum tube 11 is plugged in the glass tube Plug Division 65 on heat-insulation layer 62.Can make like this hard inner tube 2 and glass-vacuum tube 11 realize fixing with header 6 simultaneously.
When thermal-collecting tube openend 15 inserts glass tube Plug Division 65, extruding caoutchouc elasticity circle 66, makes caoutchouc elasticity circle 66 distortion Outside Dimensions become large, thereby is clamped in glass tube Plug Division 65.This makes thermal-collecting tube openend 15 fix more firmly.Caoutchouc elasticity circle 66 cross sections are L shaped can prevent from thermal-collecting tube 1 is installed time, and caoutchouc elasticity circle 66 slips in glass tube Plug Division 65.
The thermal-collecting tube 1 that the utility model water heater adopts, preferably, can be that the external diameter of described hard inner tube 2 and the internal diameter of glass inner tube 12 are suitable, make hard inner tube 2 outer surfaces and glass inner tube 12 inner surface close contacts, be to allow hard inner tube 2 be full of whole media storage space 13 as far as possible.Be conducive to like this select absorbed layer 19 that heat is passed to the heat transfer medium in hard inner tube 2 and hard inner tube 2 as early as possible.
If there is larger gap between hard inner tube 2 outer surfaces and glass inner tube 12 inner surfaces, preferred, can be between described glass inner tube 12 and hard inner tube 2, and the position of close thermal-collecting tube openend 15 is provided with thermal-collecting tube sealing ring 3.
On the one hand thermal-collecting tube sealing ring 3 can be fixed the relative position of inner hard inner tube 2 and outside glass-vacuum tube 11, prevents that hard inner tube 2 from shaking in media storage space 13; Thermal-collecting tube sealing ring 3 can stop the air between glass inner tube 12 and hard inner tube 2 outwards to flow on the other hand, when the sunshine heat that the selection absorbed layer 19 in glass inner tube 12 absorbs transmits to hard inner tube 2, can stop gap loss to thermal-collecting tube 1 that heat can be between glass inner tube 12 and hard inner tube 2, better heat preservation.
In order to prevent mounted thermal-collecting tube sealing ring 3 slippages, can also be at the groove of described hard inner tube 2 outer surface settings and thermal-collecting tube sealing ring 3 adaptations, described thermal-collecting tube sealing ring 3 is arranged in groove.
Described thermal-collecting tube sealing ring 3 can be any conventional seal, and for example V-shaped seal ring, for easy for installation, can be preferably O RunddichtringO.
In aforementioned embodiments, utilize thermal-collecting tube sealing ring 3 can stop the air between glass inner tube 12 and hard inner tube 2 outwards to flow to avoid thermal loss, but understand some heat, in the mode of heat transmission, from thermal-collecting tube sealing ring 3, to thermal-collecting tube 1, scatter and disappear.For avoiding this problem, preferred, can be between described glass inner tube 12 and hard inner tube 2, and be provided with heat preservation component 31 near the position of thermal-collecting tube openend 15.
Heat preservation component 31 can be the temperature in the time of can bearing thermal-collecting tube 1 work, and has the material of heat-insulating property, for example, and super glass wool, aluminosilicate fiber cotton etc.
Between described glass inner tube 12 and hard inner tube 2, arrange after heat preservation component 31, not only can stop the air between glass inner tube 12 and hard inner tube 2 outwards to flow, and can prevent that heat outwards scatters and disappears from heat preservation component 31 with thermaltransmission mode.
Between glass inner tube 12 and hard inner tube 2, heat preservation component 31 can be only set, can be to be also equipped with thermal-collecting tube sealing ring 3 and heat preservation component 31 simultaneously.For example, between described glass inner tube 12 and hard inner tube 2, and be provided with thermal-collecting tube sealing ring 3 and heat preservation component 31 near the position of thermal-collecting tube openend 15, described heat preservation component 31 is between thermal-collecting tube sealing ring 3 and thermal-collecting tube openend 15.
In above-mentioned embodiment, thermal-collecting tube sealing ring 3 and heat preservation component 31 work simultaneously, can at utmost reduce the heat loss occurring between glass inner tube 12 and hard inner tube 2.
Claims (10)
1. pressure-bearing type solar water heater, comprise header (6), concentrate storage tank (7) and thermal-collecting tube (1), described header (6) comprises inner water tank (61), is provided with header water inlet (64) and header delivery port (63) on described water tank (61), described concentrated storage tank (7) comprises storage tank loop exit (75), storage tank circulation import (71) and the mouth of a river (73) from the beginning, described header water inlet (64) is communicated with storage tank loop exit (75), described header delivery port (63) is communicated with storage tank circulation import (71), the described mouth of a river from the beginning (73) is communicated with running water water inlet pipe, it is characterized in that, described thermal-collecting tube (1) comprises glass-vacuum tube (11), the cup-like structure that described glass-vacuum tube (11) forms for double glazing, glass-vacuum tube (11) one end is thermal-collecting tube blind end (14), and the other end is thermal-collecting tube openend (15), glass-vacuum tube (11) comprises inner glass inner tube (12), space in glass inner tube (12) is media storage space (13), in described media storage space (13), be also provided with hard inner tube (2), described hard inner tube (2) is inner tube blind end (21) near one end of thermal-collecting tube blind end (14), the inner tube openend (25) that hard inner tube (2) other end is hatch frame, in described hard inner tube (2), be provided with obturator (22), described obturator (22) Outside Dimensions is less than hard inner tube (2) inside dimension, between described obturator (22) and hard inner tube (2), be provided with positioning element, described water tank (61) bottom is communicated with the inner tube openend (25) of at least one thermal-collecting tube (1).
2. pressure-bearing type solar water heater as claimed in claim 1, is characterized in that, described obturator (22) is column structure, and the external diameter of obturator (22) is less than hard inner tube (2) internal diameter; Described obturator (22) is obturator bottom (23) near one end of described thermal-collecting tube blind end (14), described inner tube blind end (21) and obturator (22) two ends are arc, and obturator bottom (23) are less than inner tube blind end (21).
3. pressure-bearing type solar water heater as claimed in claim 1, is characterized in that, described positioning element is convergence piece (91), and described convergence piece (91) two ends are fixedly connected with hard inner tube (2) with obturator (22) respectively.
4. pressure-bearing type solar water heater as claimed in claim 1, it is characterized in that, described positioning element is for being arranged on the locating support (92) of obturator (22) lateral location, described locating support (92) comprises annular ring (921), in annular ring (921), be provided with at least three elastic rings (922), described elastic ring (922) is uniformly distributed along the circumference, a part for elastic ring (922) is resisted against hard inner tube (2) inner surface, and another part is resisted against obturator (22) outer surface.
5. pressure-bearing type solar water heater as claimed in claim 1, it is characterized in that, described header water inlet (64), storage tank loop exit (75), header delivery port (63) and the residing height of storage tank circulation import (71) set gradually from low to high.
6. pressure-bearing type solar water heater as claimed in claim 1, it is characterized in that, described water tank (61) bottom offers heat pipe hole (4), be connected with inner tube Plug Division (5) with heat pipe hole (4), inner tube Plug Division (5) is suitable with inner tube openend (25) size, and inner tube openend (25) is plugged in together with inner tube Plug Division (5), between described inner tube openend (25) and inner tube Plug Division (5), is provided with grafting sealing ring (52).
7. pressure-bearing type solar water heater as claimed in claim 6, it is characterized in that, described inner tube Plug Division (5) is arranged on outside water tank (61), described inner tube Plug Division (5) medial surface is provided with at least one Plug Division groove (51), described grafting sealing ring (52) is arranged in Plug Division groove (51), and described inner tube openend (25) is plugged in inside, inner tube Plug Division (5).
8. pressure-bearing type solar water heater as claimed in claim 6, it is characterized in that, described water tank (61) periphery is enclosed with heat-insulation layer (62), described heat-insulation layer (62) offers glass tube Plug Division (65) near the position of inner tube Plug Division (5), the Outside Dimensions of the opening size of glass tube Plug Division (65) and described thermal-collecting tube openend (15) is suitable, and thermal-collecting tube openend (15) is plugged in glass tube Plug Division (65); Between the upper outer circumference surface near thermal-collecting tube openend (15) of described glass-vacuum tube (11) and glass tube Plug Division (65) medial surface, be also provided with caoutchouc elasticity circle (66), described caoutchouc elasticity circle (66) cross section is L shaped, L shaped one end is stretched in glass tube Plug Division (65), and the L shaped other end is resisted against the outer surface of heat-insulation layer (62).
9. pressure-bearing type solar water heater as claimed in claim 1, is characterized in that, the internal diameter of the external diameter of described hard inner tube (2) and glass inner tube (12) is suitable.
10. pressure-bearing type solar water heater as claimed in claim 1, is characterized in that, between described glass inner tube (12) and hard inner tube (2), and is provided with thermal-collecting tube sealing ring (3) near the position of thermal-collecting tube openend (15); Described hard inner tube (2) outer surface is provided with the groove adaptive with thermal-collecting tube sealing ring (3), described thermal-collecting tube sealing ring (3) is arranged in groove, described thermal-collecting tube sealing ring (3) is O RunddichtringO, and described hard inner tube (2) is stainless steel tube; Between described glass inner tube (12) and hard inner tube (2), and be provided with heat preservation component (31) near the position of thermal-collecting tube openend (15), described heat preservation component (31) is aluminosilicate fiber cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358356.8U CN203908059U (en) | 2014-06-30 | 2014-06-30 | Pressure-bearing type solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358356.8U CN203908059U (en) | 2014-06-30 | 2014-06-30 | Pressure-bearing type solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908059U true CN203908059U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358356.8U Expired - Fee Related CN203908059U (en) | 2014-06-30 | 2014-06-30 | Pressure-bearing type solar water heater |
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| Country | Link |
|---|---|
| CN (1) | CN203908059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014092A (en) * | 2015-08-28 | 2017-08-04 | 周午贤 | A kind of scale-deposit-preventing method of water heater |
-
2014
- 2014-06-30 CN CN201420358356.8U patent/CN203908059U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014092A (en) * | 2015-08-28 | 2017-08-04 | 周午贤 | A kind of scale-deposit-preventing method of water heater |
| CN107014092B (en) * | 2015-08-28 | 2019-02-19 | 中山市小霸王生活电器有限公司 | A kind of scale-deposit-preventing method of water heater |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20210630 |