CN102997425A - Water heater inner container - Google Patents
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- CN102997425A CN102997425A CN2011102780606A CN201110278060A CN102997425A CN 102997425 A CN102997425 A CN 102997425A CN 2011102780606 A CN2011102780606 A CN 2011102780606A CN 201110278060 A CN201110278060 A CN 201110278060A CN 102997425 A CN102997425 A CN 102997425A
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Abstract
The invention relates to a water heater inner container, in particular to a household electric water heater which adopts vacuum insulation panel technology, wherein an opening and a seal cover are arranged on one end wall of a cylindrical water tank with two hemispheric end walls; an electric heater, a temperature sensor, a water inlet pipe and a water outlet pipe extend into the water tank through the seal cover or a peripheral end wall; an air separation bag wraps the water tank from the outside, and a closing opening of the air separation bag is in fixed sealing connection with the end wall of the water tank, which is provided with the opening; a heat insulation end cover is tightly buckled with the outer part of the end wall and covers the closing part; the water inlet pipe and the water outlet pipe penetrate through the end cover to be led outwards; a heat insulation core material is filled between the air separation bag and the water tank, and air in the core material is extracted; two circles of supporting blocks which are formed by rigid heat insulation materials are also arranged between the air separation bag and the periphery of the cylindrical surface of the water tank at intervals, and an annular hoop which is made from a rigid material is arranged on the outer part position of the air separation bag, which corresponds to each supporting block; and a hanging support is fixedly arranged on the two hoops.
Description
Technical field
The present invention relates to a kind of domestic, electric water heater that adopts the vacuum insulation plate technique.
Background technology
The inner container insulated structure of present domestic, electric water heater (hereinafter to be referred as " water heater "), as shown in Figure 1: inner bag is comprised of water storage tank 1 and heat-insulation layer 3, and water storage tank 1 is the cylindrical tank that metallic plate is made, and its left and right two end walls 11,12 are hemispherical.The right-hand member wall 12 of water storage tank 1 is established and is communicated with extraneous opening, and seal cover 121 is installed in this opening part and with its sealing.The bottom, the face of cylinder of water storage tank 1 is installed into water pipe 4, outlet pipe 5 and blow-off pipe 6.Electric heater 7 and temperature sensor 8 are installed on the seal cover 121 and stretch in the water storage tank 1.Heat-insulation layer 3 adopts the PU foamed plastic to be wrapped in the periphery of water storage tank 1 usually.Its preparation method is: after water storage tank 1 assembles with shell 2, to perfusion PU foamed material in the double wall between water storage tank 1 and the shell 2, form PU foamed plastic heat-insulation layer 3 after foaming.For example, form the left side 31 of heat-insulation layer 3 in the double wall between the left end wall 21 of the left end wall 11 of water storage tank 1 and shell 2.But at the needs of the right side of water storage tank 1 installation and removal seal cover 121, the right-hand member wall 22 of shell 2 must be reserved the via holes of a correspondence in the time of will considering to keep in repair, and the structure that heat-insulation layer 3 mutually should part is also more complex.At first, the PU foamed plastic insulation cover 32 of an annular is fastened on the right-hand member wall 12 of water storage tank 1, the centre bore of this insulation cover 32 entangles the flange that water storage tank 1 opening part is installed seal cover 121.And then, the right side 33 of formation heat-insulation layer 3 in the double wall between the right-hand member wall 22 of insulation cover 32 and shell 2.The central authorities of this right side 33 leave size greater than the centre bore 331 of seal cover 121, and centre bore 331 interior filled glass fibers are cotton; An end cap 222 is fastened on the via hole of shell 2 right-hand member walls 22, seals this centre bore 331.Because the PU foamed plastic can not bear pressure.For complete machine is mounted on the wall, have to will will mount in advance support welding on water storage tank 1.But this mounts support can be delivered to the complete machine outside by direct heat with hot water in the inner bag, reduces heat insulation effect.
Vacuum heat-insulating plate be a kind of novel, integrate energy-efficient heat-barrier material, be the upgraded product of PU foamed plastic insulation material.Vacuum heat-insulating plate is to be enclosed with the timbering material core of heat-proof quality by gas barrier film, and takes out the three-decker vacuum thermal insulating material that the gas in the coring material forms.Gas barrier film wherein is film material, foil, sheet material or the sheet material etc. with barrier property, such as a kind of material in the materials such as plastic foil, Multi-layer composite plastic foil, Multi-layer composite plastics sandwich aluminium foil film, rubber membrane, or the not combination of same material in the above-mentioned material.The timbering material core with heat-proof quality wherein can be a kind of material in the materials such as ultra-fine fibre glass, aerosil, aeroge, open-cell polyurethane foam, perforate phenol formaldehyde foam, perforate styrofoam, also can be the mixture of same material not in the above-mentioned material.When vacuum heat-insulating plate was used for needing the heat-insulation layer of heat insulation environment, in the identical situation of insulation layer thickness, its heat-insulating capability was seven times of conventional P U expanded plastic material; If keep former heat-insulation layer heat-insulating capability, insulation layer thickness can reduce more than 80%.Vacuum heat-insulating plate generally is made into the board-type sheet material of various sizes at present, is applied to board-type refrigeration plant and wall thermal insulating.Because the board-type vacuum heat-insulating plate makes and fractures easily or damage being processed into the three-dimensional shape with crooked composition, in the water heater thermal insulation applications, vacuum heat-insulating plate is difficult to apply.The board-type vacuum heat-insulating plate is when coating thermal insulation to three-dimensional object, and the thermal loss that the heat exchange bridge that its splicing seams produces causes reduces the result of use of vacuum heat-insulating plate greatly.In addition, be arranged on the inlet tube and outlet tube of water storage tank cylinder bottom, to making vacuum heat-insulating layer obstruction arranged.Therefore, the water heater liner that adopts vacuum heat-insulating plate is not yet arranged so far.
Summary of the invention
The present invention aims to provide a kind of water heater liner, and it adopts the vacuum insulation plate technique, but the effect of Effective Raise insulation and the space that reduces to take.
Technical scheme of the present invention is: a kind of water heater liner has end walls and is hemispheric cylindrical water storage tank and mounts support; An end wall of this water storage tank is provided with opening, and establishes seal cover and seal this opening; Electric heater and temperature sensor are installed in sealing and cover and stretch in this water storage tank; Water inlet pipe and outlet pipe are installed in this water storage tank and establish on the end wall of opening and stretch in this water storage tank; Gas-barrier bag surrounds this water storage tank from the end wall outside and face of cylinder periphery that this water storage tank is not established opening, and the closing in section of this gas-barrier bag and this water storage tank are established the end wall fixed seal connection of opening; The end cap that solid insulation material is made closely is fastened on the closing in section that this water storage tank is established the end wall outside of opening and hidden this gas-barrier bag; This water inlet pipe and this outlet pipe pass this end cap and outwards draw; This gas-barrier bag and this water storage tank are not established between the end wall outside of opening and the face of cylinder periphery and are filled the core of the timbering material with heat-proof quality, and take out the gas in this core; Also the compartment of terrain arranges the back-up block that two circle rigidity heat-insulating materials are made between this gas-barrier bag and this water storage tank face of cylinder periphery, and every circle back-up block comprises at least three back-up blocks that are positioned on the same radial section of this water storage tank; The position of the corresponding every circle back-up block in this gas-barrier bag outside arranges the clip of the annular that one rigid material make; This mounts support and is fixed on this twice clip.
In the enforcement structure of recommending: described gas-barrier bag is by two semicircular pipes, and a circular slab and a closing in section annular plate form; Two straight flanges on each semicircular pipe extend outward respectively a straight lath, the arc-shaped side at each the semicircular pipe two ends semicircle annular lip that extends internally out respectively; The lath fixed seal connection of homonymy on two semicircular pipes, forming two ends has respectively the straight pipe of annular inward flange, the annular inward flange of this straight pipe one end of this circular slab fixed seal connection, the annular inward flange of this closing in section this straight pipe other end of annular plate fixed seal connection.
Because when adopting monoblock type gas barrier bag that the cylindrical water storage tank of solid and core are coated, gas-barrier bag closing in section needs the end wall fixed seal connection of establishing seal cover with this water storage tank; So that the closing in section structure of monoblock type gas barrier bag will be very complicated.It will be very complicated that all-in-one-piece gas-barrier bag is made, and assembly technology is also very complicated.And these in advance the gas-barrier bag part made of burst can be when the cylindrical water storage tank of solid and core are coated piece together complete gas-barrier bag by the technological means such as bonding, and this gas-barrier bag closing in section fixing seal is established the end wall of seal cover at water storage tank.So the enforcement structure of this gas-barrier bag can be simplified moulding and assembly technology.
In the enforcement structure of recommending: described gas-barrier bag leaves pore, and at the closed ozzle of bleeding of this pore arranged outside.Use the closed ozzle of bleeding can be repeatedly to the operation of bleeding of the core in the gas-barrier bag, therefore can prolong the actual life of vacuum heat-insulating layer.
In the enforcement structure of recommending: the described ozzle of bleeding comprises main body, spool and adjustment part; The main body that rigid material is made is comprised of straight sections and the conical pipe section of mutually vertical perforation, the both ends open of this straight sections, and the small end sealing of this conical pipe section, the large end of this conical pipe section opens wide and establishes external screw thread; The spool that rubber or elastoplast are made is coniform and waist is provided with horizontal valve opening, and the end face central authorities of the large end of this spool are provided with the square jack that concaves; This spool is inserted in the conical pipe section of this main body, forms the vacuum valve of rotatable open and close with this main body; The adjustment part that rigid material is made is comprised of round plate and the square cap of coaxial perforation, the opening's edge of this round plate is routed up the flange of an annular to the direction of this square cap, form the cannelure that can hold this large end of main body conical pipe section between the end wall of this flange and this round plate, the inwall of this flange is established internal thread; The square cap of this adjustment part is inserted in the square jack of this spool, and the cannelure of this adjustment part round plate entangles the large end of this main body conical pipe section and screws togather with it.
It is inner that one end of main body straight sections is communicated with gas-barrier bag, and the other end of straight sections is communicated with extraneous air-extractor.Rotational valve core makes the valve opening on the spool be communicated with the two ends of straight sections, just can implement the operation of bleeding.Afterwards, make valve core rotation 90 degree, valve opening is by the sealing of the end wall of conical pipe section on the spool, and spool makes the middle part sealing of straight sections simultaneously, and inner with the extraneous gas passage of gas-barrier bag is cut off.The effect of adjustment part is on main body spool to be positioned, and for the instrument of outside provides the intermediary of rotational valve core, in order to when rotational valve core, protect the square jack of spool.
Another kind of structure of the present invention is: a kind of water heater liner, tool end walls are hemispheric cylindrical water storage tank and mount support; An end wall of this water storage tank is provided with opening, and establishes seal cover and seal this opening; Electric heater and temperature sensor are installed in sealing and cover and stretch in this water storage tank; Water inlet pipe and outlet pipe are installed in this water storage tank and establish on the end wall of opening and stretch in this water storage tank; Overcoat surrounds this water storage tank from the end wall outside and face of cylinder periphery that this water storage tank is not established opening, and this overcoat and this water storage tank are not established outside the end wall of opening and filling flexible vacuum heat-insulating plate between the periphery of the face of cylinder; An annular insulation cover is fastened on the port that water storage tank is established on the end wall of opening and sealed this overcoat, and the centre bore of this insulation cover entangles seal cover and water inlet pipe and the outlet pipe of water storage tank opening part; The end cap that flexible vacuum heat-insulating plate is made is fastened on the centre bore of this insulation cover; This water inlet pipe and this outlet pipe pass this end cap and outwards draw; Also the compartment of terrain arranges the back-up block that two circle rigidity heat-insulating materials are made between this overcoat and this water storage tank face of cylinder periphery, and every circle back-up block comprises at least three back-up blocks that are positioned on the same radial section of this water storage tank; The position of the corresponding every circle back-up block in this overcoat outside arranges the clip of the annular that one rigid material make; This mounts support and is fixed on this twice clip.
The essence of water heater liner of the present invention is that inlet tube and outlet tube and electric heater and temperature sensor all are arranged on the position, termination that cylindrical water storage tank is established opening, and the end cap of being made by the solid insulation material is heat insulation; The one, made things convenient for the configuration vacuum heat-insulating layer, two have also increased the heat insulation effect of water storage tank being established the termination of opening, and the 3rd avoids using glass fibre cotton to make plugging material, more safety and environmental protection.The complete machine of water heater liner of the present invention mounts back-up block that support makes by vacuum heat-insulating layer internal rigid heat-insulating material and the clip in the gas-barrier bag outside is fixed the unsettled banding of cylindrical water storage tank, has avoided existing water heater to transmit the drawback of the heat of hot water in the water storage tank by mounting support.The vacuum heat-insulating layer of water heater liner of the present invention adopts flexible vacuum heat-insulating plate, solve the cylindrical water storage tank appearance of water heater and mostly be arc, cylindrical structure, cylindrical water storage tank is carried out the straight-plate-type vacuum heat-insulating plate Overmolded in the three-dimensional cambered surface process, destroy easily the gas-barrier bag of straight-plate-type vacuum heat-insulating plate, cause the problem of gas-barrier bag gas leakage; Can utilize existing water heater liner process equipment, easy to implement.The vacuum heat-insulating layer of water heater liner of the present invention adopts the timbering material that heat-proof quality is arranged to make the three-dimensional core of tubbiness according to the profile of cylindrical water storage tank, with gas-barrier bag this core and cylindrical water storage tank major part are wrapped again and to vacuumize, form vacuum heat-insulating layer three-dimensional, that do not need tubbiness secondary operations, continuous in that cylindrical water storage tank is outside.The vacuum insulation inner bag of this global formation, cylindrical water storage tank is carried out Overmolded in the three-dimensional cambered surface process except solving the straight-plate-type vacuum heat-insulating plate, cause easily outside the problem of gas-barrier bag gas leakage, also avoided the polylith vacuum heat-insulating plate when the cylindrical water storage tank to solid coats thermal insulation, the thermal loss that the heat exchange bridge that its splicing seams produces causes, but the effect of Effective Raise insulation and the space that reduces to take.Owing to can adopt the mode of mold pressing to make the core of 3 D stereo, and with this core directly be set with, parcel or spiral-lock be outside at water storage tank, production technology is greatly simplified, thereby causes production efficiency to improve, production cost reduces.
Description of drawings
Fig. 1 is the longitudinal profile structural representation of existing water heater liner.
Fig. 2 is the longitudinal profile structural representation of an embodiment of water heater liner of the present invention.
Fig. 3 is that the A-A of Fig. 2 embodiment is to cross-sectional view.
Fig. 4 is the perspective view of the semicircular pipe of gas-barrier bag among Fig. 2 embodiment.
Fig. 5 is the structural representation of an end face of gas-barrier bag among Fig. 2 embodiment.
Fig. 6 is the structural representation of another end face of gas-barrier bag among Fig. 2 embodiment.
Fig. 7 is the side structure schematic diagram of gas-barrier bag among Fig. 2 embodiment.
Fig. 8 is the cross-sectional view of main body of ozzle of bleeding among Fig. 2 embodiment.
Fig. 9 is the plan structure schematic diagram of main body of ozzle of bleeding among Fig. 2 embodiment.
Figure 10 is the cross-sectional view of spool of ozzle of bleeding among Fig. 2 embodiment.
Figure 11 is the plan structure schematic diagram of spool of ozzle of bleeding among Fig. 2 embodiment.
Figure 12 is the end face structure schematic diagram of the large end of spool among Fig. 2 embodiment.
Figure 13 is the cross-sectional view of adjustment part of ozzle of bleeding among Fig. 2 embodiment.
Figure 14 is the end face structure schematic diagram of the large end of adjustment part of ozzle of bleeding among Fig. 2 embodiment.
Figure 15 is the cross-sectional view of ozzle of bleeding among Fig. 2 embodiment.
Figure 16 is the longitudinal profile structural representation of an embodiment of water heater liner of the present invention.
Figure 17 is that the A-A of Fig. 2 embodiment is to cross-sectional view.
The specific embodiment
One, embodiment one
The structure of an embodiment of water heater liner of the present invention, as shown in Figures 2 and 3.This water heater liner is by a plurality of back-up blocks 150, the first clip 240, the second clip 250, the link 400 of a plurality of back-up blocks 140 of water storage tank 10, gas-barrier bag 20, core 30, water inlet pipe 40, outlet pipe 50, blow-off pipe 60, electric heater 70, temperature sensor 80, end cap 330, first lap, the second circle and mount support 401 and form.
The core 30 of tubbiness surrounds water storage tank 10 from left end wall 110 outsides and the face of cylinder periphery of water storage tank 10.Core 30 is to be made by the timbering material with heat-proof quality.What is called has a kind of in the timbering material of heat-proof quality such as ultra-fine fibre glass, aerosil, aeroge, open-cell polyurethane foam, perforate phenol formaldehyde foam, the perforate styrofoam, or at least two kinds compositions of mixtures.Gas-barrier bag 20 surrounds core 30 from left end wall 310 outsides and the face of cylinder periphery of core 30, the closing in section 220 of gas-barrier bag 20 and right-hand member wall 120 fixed seal connections of water storage tank 10.The opening 2210 of the closing in section 220 of gas-barrier bag 20 has been abdicated the space of extending to the right for the installation portion of seal cover 1210 and circumferential water feed pipe 40 thereof, outlet pipe 50, blow-off pipe 60.Gas-barrier bag 20 be by a kind of material in plastic foil, Multi-layer composite plastic foil, Multi-layer composite plastics sandwich aluminium foil film, the rubber membrane or at least the combination of bi-material make.Leave pore 2110 on the left end wall 210 of gas-barrier bag 20, and fixedly mount the closed ozzle 9 of bleeding in pore 2110 outsides, and take out the gas in the coring material 30.The end cap 330 that the solid insulation material is made closely is fastened on right-hand member wall 120 outsides of water storage tank 10 and hides the closing in section 220 of gas-barrier bag 20.So-called solid insulation material can be PU foamed plastic or pnenolic aldehyde foam material or Poly Foam expanded material, perhaps other known solid insulation material.End cap 330 is bowl-shape, the installation portion of the space containing seal cover 1210 of its indent and circumferential water feed pipe 40 thereof, outlet pipe 50, blow-off pipe 60.The lead-out wire of water inlet pipe 40, outlet pipe 50 and blow-off pipe 60 and electric heater 70 and the lead-out wire of temperature sensor 80 pass the bottom of end cap 330 interior concave spaces and outwards draw.
In core 30 inside, two circle back-up blocks 140,150 are spaced apart and arranged between gas-barrier bag 20 and water storage tank 10 face of cylinder peripheries.A plurality of back-up blocks 140 of first lap comprise at least three be positioned on the same radial section in water storage tank 10 left sides, back-up block 140 that the rigidity heat-insulating material is made; A plurality of back-up blocks 150 of the second circle comprise at least three be positioned on the same radial section in water storage tank 10 right sides, back-up block 150 that the rigidity heat-insulating material is made.So-called rigidity heat-insulating material refers to the hard heat-insulating materials such as known bakelite, plastics.The position of a plurality of back-up blocks 140 of corresponding first lap arranges the first clip 240 of the annular that one rigid material make in gas-barrier bag 20 outsides; The position of a plurality of back-up blocks 150 of corresponding the second circle arranges the second clip 250 of the annular that one rigid material make in gas-barrier bag 20 outsides.In gas-barrier bag 20 outsides and two ends the link 400 of a cage type has been installed, in order to be connected with shell.Mounting support 401 is fixed on this twice clip 240,250.
Please referring to Fig. 4-Fig. 7: gas-barrier bag 20 is comprised of 201, one circular slabs 210 of two semicircular pipes and a closing in section annular plate 220.Two straight flanges on each semicircular pipe 201 extend outward respectively a straight lath 2011, the semicircle annular lip 2012 that extends internally out respectively of the two ends on each semicircular pipe 201.Lath 2011 fixed seal connections of homonymy form a straight pipe that two ends are the annular inward flange on two semicircular pipes 201.Leave pore 2110 on the circular slab 210.The annular inward flange of this straight pipe left end of circular slab 210 fixed seal connections (2012 docking of two semicircle annular lip form), form the left end wall 210 of gas-barrier bag 20 among Fig. 2, in other words, circular slab 210 becomes the left end wall 210 of gas-barrier bag 20.The annular inward flange of closing in section this straight pipe right-hand member of annular plate 220 fixed seal connections (also being formed by 2012 docking of two semicircle annular lip), form the closing in section 220 of gas-barrier bag 20 among Fig. 2, in other words, closing in section annular plate 220 becomes the closing in section 220 of gas-barrier bag 20, and the endoporus 2210 of closing in section annular plate 220 is the opening 2210 of closing in section 220.
The ozzle 9 of bleeding comprises main body 91, spool 92 and adjustment part 93.
Please referring to Fig. 8 and Fig. 9: the main body 91 that rigid material is made is comprised of straight sections 912 and the conical pipe section 913 of mutually vertical perforation.The both ends open of straight sections 912, an end are established outward flange 911 in order to be fixedly connected with the left end wall 210 of gas-barrier bag 20; The other end of straight sections 912 is established external screw thread, in order to be connected with the pipeline of air-extractor.The small end of conical pipe section 913 is sealed by end plate 914, and the large end of conical pipe section 913 opens wide and establish external screw thread 9131.Conical pipe section 913 is divided into the endoporus of straight sections 912 near the inboard tube chamber 915 of outward flange 911 with away from the outside tube chamber 916 of outward flange 911.The endoporus of conical pipe section 913 then is divided into small end inner chamber 917 near end plate 914 by straight sections 912, and away from the large end inner chamber 918 of end plate 914, wherein the cavity 919 of the opening part of large end inner chamber 918 is short cylindrical shape.
Please referring to Figure 10-Figure 12: the spool 92 that rubber or elastoplast are made is coniform and waist is provided with horizontal valve opening 921, and a side of valve opening 921 is the small end 923 of spool 92, and the opposite side of valve opening 921 is the large end 924 of spool 92.The end face central authorities of spool 92 large ends 924 are provided with the square jack 922 that concaves.
Please referring to Figure 13 and Figure 14: the adjustment part 93 that rigid material is made is comprised of round plate 931 and the square cap 932 of coaxial perforation.The opening's edge of round plate 931 is routed up the flange 933 of an annular to the direction of square cap 932, forms the cannelures 934 that can hold main body 91 conical pipe sections 913 large ends between the end wall of flange 933 and round plate 931, and the inwall of flange 933 is established internal thread 9341.
Please referring to Figure 15: spool 92 is inserted in the conical pipe section 913 of main body 91, the square cap 932 of adjustment part 93 is inserted in the square jack 922 of spool 92, the cannelure 934 of adjustment part 93 round plates 931 entangles the large end of main body 91 conical pipe sections 913, and the external screw thread 9131 of conical pipe section 913 screws togather with the internal thread 9341 of adjustment part 93 flange 933 inwalls.Screw adjustment part 93, the taper seat of the small end 923 of spool 92 withstands the taper seat of main body 91 conical pipe sections 913 small end inner chambers 917, the large end 924 of spool 92 taper seat withstand the taper seats of main body 91 conical pipe sections 913 large end inner chambers 918.Rotate both rotatable spools 92 of adjustment part 93, the valve opening 921 on the spool 92 is communicated with inboard tube chamber 915, the outside tube chamber 916 at main body 91 straight sections 912 two ends, just can implement the operation of bleeding.Afterwards, rotating adjustment part 93 makes spool 92 rotate 90 degree again, valve opening 921 is sealed by the end wall of main body 91 conical pipe sections 913 on the spool 92, spool 92 makes the middle part sealing of main body 91 straight sections 912 simultaneously, inboard tube chamber 915 is not communicated with mutually with outside tube chamber 916, so spool 92 and main body 91 form the vacuum valve of rotatable open and close.
If the ozzle 9 of bleeding is not set, can a tracheae be set at pore 2110 places of gas-barrier bag 20 left end walls 210, the gas in taking out coring material 30 is afterwards with making this tracheae sealing by hot pressing or mechanical system.
Two, embodiment two
The structure of second embodiment of water heater liner of the present invention is such as Figure 16 and shown in Figure 17.This water heater liner is by a plurality of back-up blocks 1500, the first clip 2400, second clip 2500 of a plurality of back-up blocks 1400 of water storage tank 100, overcoat 200, flexible vacuum heat-insulating plate 300, water inlet pipe 40, outlet pipe 50, blow-off pipe 60, electric heater 70, temperature sensor 80, insulation cover 3100, end cap 3200, first lap, the second circle and mount support 4001 and form.
Flexible vacuum heat-insulating plate 300 is any heat-barrier materials of filling in the gas-barrier bag by any material in plastic foil, Multi-layer composite plastic foil, the Multi-layer composite plastics sandwich aluminium foil film in ultra-fine fibre glass, aerosil, the aeroge, and to the gas-barrier bag sealing, vacuumize and make.It has necessarily on the contrary pliability, can be suitably crooked.Reserve several via holes on the gas-barrier bag of this flexible vacuum heat-insulating plate, make end cap 3200.
The overcoat 200 of tubular is that metallic plate is made.Overcoat 200 surrounds water storage tank 200, filling flexible vacuum heat-insulating plate 300 between left end wall 1100 outsides of overcoat 200 and water storage tank 100 and the face of cylinder periphery from left end wall 1100 outsides and the face of cylinder periphery of water storage tank 100.Also the compartment of terrain arranges the back-up block 1400,1500 that two circle rigidity heat-insulating materials are made between overcoat 200 and water storage tank 100 face of cylinder peripheries, the left side one circle back-up block 1400 comprises at least three back-up blocks 1400 that are positioned on the water storage tank 100 same radial sections, and position of corresponding this circle back-up block 1400 in overcoat 200 outsides arranges the clip 2400 of the annular that one rigid material make; The right one circle back-up block 1500 comprises at least three back-up blocks 1500 that are positioned on the water storage tank 200 same radial sections, and position of corresponding this circle back-up block 1500 in overcoat 200 outsides arranges the clip 2500 of the annular that one rigid material make; Mounting support 4001 is fixed on this twice clip 2400,2500.
During making, can first the flexible vacuum heat-insulating plate 300 of curved face type be covered and stick on left end wall 1100 outsides of water storage tank 100.The flexible vacuum heat-insulating plate 300 of polylith and each back-up block 1400,1500 are sticked on the face of cylinder periphery of water storage tank 100 successively, then put overcoat 200.Load onto respectively at last clip 2400,2500, and with they locking.
The insulation cover 3100 of annular is fastened on the left end wall 1100 of water storage tank 100 and the port of closed outer casing 200.Insulation cover 3100 can be made with PU foamed plastic or pnenolic aldehyde foam material or Poly Foam expanded material.The centre bore 31100 of insulation cover 3100 entangles seal cover 12100 and water inlet pipe 500, outlet pipe 40 and the blow-off pipe 60 of water storage tank 100 opening parts.The end cap 3200 that flexible vacuum heat-insulating plate is made is fastened on the centre bore 31100 of this insulation cover 3100.Water inlet pipe 500, outlet pipe 40 and blow-off pipe 60 pass end cap 3200 and outwards draw.
The above only is preferred embodiment of the present invention, does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (5)
1. a water heater liner has end walls and is hemispheric cylindrical water storage tank and mounts support; An end wall of this water storage tank is provided with opening, and establishes seal cover and seal this opening; Electric heater and temperature sensor are installed in sealing and cover and stretch in this water storage tank; It is characterized in that: water inlet pipe and outlet pipe are installed in this water storage tank and establish on the end wall of opening and stretch in this water storage tank; Gas-barrier bag surrounds this water storage tank from the end wall outside and face of cylinder periphery that this water storage tank is not established opening, and the closing in section of this gas-barrier bag and this water storage tank are established the end wall fixed seal connection of opening; The end cap that solid insulation material is made closely is fastened on the closing in section that this water storage tank is established the end wall outside of opening and hidden this gas-barrier bag; This water inlet pipe and this outlet pipe pass this end cap and outwards draw; This gas-barrier bag and this water storage tank are not established between the end wall outside of opening and the face of cylinder periphery and are filled the core of the timbering material with heat-proof quality, and take out the gas in this core; Also the compartment of terrain arranges the back-up block that two circle rigidity heat-insulating materials are made between this gas-barrier bag and this water storage tank face of cylinder periphery, and every circle back-up block comprises at least three back-up blocks that are positioned on the same radial section of this water storage tank; The position of the corresponding every circle back-up block in this gas-barrier bag outside arranges the clip of the annular that one rigid material make; This mounts support and is fixed on this twice clip.
2. a kind of water heater liner according to claim 1 is characterized in that: described gas-barrier bag is by two semicircular pipes, and a circular slab and a closing in section annular plate form; Two straight flanges on each semicircular pipe extend outward respectively a straight lath, the arc-shaped side at each the semicircular pipe two ends semicircle annular lip that extends internally out respectively; The lath fixed seal connection of homonymy on two semicircular pipes, forming two ends has respectively the straight pipe of annular inward flange, the annular inward flange of this straight pipe one end of this circular slab fixed seal connection, the annular inward flange of this closing in section this straight pipe other end of annular plate fixed seal connection.
3. a kind of water heater liner according to claim 1 and 2 is characterized in that: leave pore on the described gas-barrier bag, and at the closed ozzle of bleeding of this pore arranged outside.
4. a kind of water heater liner according to claim 3, it is characterized in that: the described ozzle of bleeding comprises main body, spool and adjustment part; The main body that rigid material is made is comprised of straight sections and the conical pipe section of mutually vertical perforation, the both ends open of this straight sections, and the small end sealing of this conical pipe section, the large end of this conical pipe section opens wide and establishes external screw thread; The spool that rubber or elastoplast are made is coniform and waist is provided with horizontal valve opening, and the end face central authorities of the large end of this spool are provided with the square jack that concaves; This spool is inserted in the conical pipe section of this main body, forms the vacuum valve of rotatable open and close with this main body; The adjustment part that rigid material is made is comprised of round plate and the square cap of coaxial perforation, the opening's edge of this round plate is routed up the flange of an annular to the direction of this square cap, form the cannelure that can hold this large end of main body conical pipe section between the end wall of this flange and this round plate, the inwall of this flange is established internal thread; The square cap of this adjustment part is inserted in the square jack of this spool, and the cannelure of this adjustment part round plate entangles the large end of this main body conical pipe section and screws togather with it.
5. water heater liner, tool end walls are hemispheric cylindrical water storage tank and mount support; An end wall of this water storage tank is provided with opening, and establishes seal cover and seal this opening; Electric heater and temperature sensor are installed in sealing and cover and stretch in this water storage tank; It is characterized in that: water inlet pipe and outlet pipe are installed in this water storage tank and establish on the end wall of opening and stretch in this water storage tank; Overcoat surrounds this water storage tank from the end wall outside and face of cylinder periphery that this water storage tank is not established opening, and this overcoat and this water storage tank are not established outside the end wall of opening and filling flexible vacuum heat-insulating plate between the periphery of the face of cylinder; An annular insulation cover is fastened on the port that water storage tank is established on the end wall of opening and sealed this overcoat, and the centre bore of this insulation cover entangles seal cover and water inlet pipe and the outlet pipe of water storage tank opening part; The end cap that flexible vacuum heat-insulating plate is made is fastened on the centre bore of this insulation cover; This water inlet pipe and this outlet pipe pass this end cap and outwards draw; Also the compartment of terrain arranges the back-up block that two circle rigidity heat-insulating materials are made between this overcoat and this water storage tank face of cylinder periphery, and every circle back-up block comprises at least three back-up blocks that are positioned on the same radial section of this water storage tank; The position of the corresponding every circle back-up block in this overcoat outside arranges the clip of the annular that one rigid material make; This mounts support and is fixed on this twice clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278060.6A CN102997425B (en) | 2011-09-19 | 2011-09-19 | Water heater inner container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278060.6A CN102997425B (en) | 2011-09-19 | 2011-09-19 | Water heater inner container |
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| Publication Number | Publication Date |
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| CN102997425A true CN102997425A (en) | 2013-03-27 |
| CN102997425B CN102997425B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110278060.6A Active CN102997425B (en) | 2011-09-19 | 2011-09-19 | Water heater inner container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104596092A (en) * | 2015-01-16 | 2015-05-06 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and manufacturing method for electric water heater |
| CN105674566A (en) * | 2016-02-05 | 2016-06-15 | 马鞍山市博浪热能科技有限公司 | Foam shrinkage treatment method of insulation water tank |
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| Publication number | Publication date |
|---|---|
| CN102997425B (en) | 2015-05-13 |
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