CN104110834A - Electric water heater - Google Patents
Electric water heater Download PDFInfo
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- CN104110834A CN104110834A CN201410142910.3A CN201410142910A CN104110834A CN 104110834 A CN104110834 A CN 104110834A CN 201410142910 A CN201410142910 A CN 201410142910A CN 104110834 A CN104110834 A CN 104110834A
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- end cap
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Abstract
The invention discloses an electric water heater. The electric water heater comprises a shell, an inner container, a first plugging part, a second plugging part, a heat insulation layer and an electric control box. A shell left end cover and a shell right end cover are arranged at two ends of the shell respectively; the inner container is arranged in the shell, an inner container left end cover and an inner container right end cover are arranged at two ends of the inner container respectively; the first plugging part is arranged between the shell left end cover and the inner container left end cover; the second plugging part is arranged between the shell right end cover and the inner container right end cover; the heat insulation layer is filled between the shell and the inner container; the electric control box is arranged in the second plugging part. The electric water heater in an embodiment has the advantages that attractiveness and performances of the electric water heater can be improved to enable the electric water heater to be reasonable in structure, simple in production process and improved in production efficiency; in addition, fill quantity of a foaming material can be increased properly to improve heat preservation and heat insulation performances of the heat insulation layer, and accordingly energy consumption of the electric water heater can be reduced.
Description
Technical field
The present invention relates to field of household appliances, especially relate to a kind of electric heater.
Background technology
Along with the raising of national associated appliance energy conservation standard, make the energy-conservation requirement of electric heater also more and more higher.The quality of the heat-insulating property of electric heater has directly determined its energy consumption size, and the integral heat insulation performance of electric heater depends primarily on structure and the heat-insulating property of the heat-insulation layer of electric heater.
In correlation technique in the heat-insulation layer of disclosed electric heater, the foamed material of filling generally adopts free foaming or low loading foaming (cross loading and be conventionally less than 5%), loading is too low easily occurs that inner bag subregion can not wrap up by insulation material completely, cause being incubated the existence of weak spot, but also can cause the performance difference such as heat-insulation layer density, thermal conductivity factor, intensity of different parts excessive, make the heat insulation effect of heat-insulation layer inhomogeneous.
And in the production process of electric heater, if only increase the loading of foamed material, can produce negative consequence.For example, shell end cap can be destroyed by the expansive force of foamed material, causes shell end cap to be out of shape even explosion, and for example when the foam contraction of foamed material, shell end cap can sink, and then affects the presentation quality of electric heater again.And too much foamed material can pollute components and parts and shell end cap in inner bag courage mouth place electric control chamber, affect performance and the outward appearance of electric heater.
Summary of the invention
The present invention is intended at least solve the technical problem existing in prior art.For this reason, the object of the present invention is to provide a kind of electric heater, the outward appearance of this electric heater and performance can be unaffected, and reasonable in design, integral heat insulation excellent performance.
Electric heater according to the embodiment of the present invention, comprising: shell, and the two ends of described shell are respectively equipped with shell left end cap and shell right end cap; Inner bag, described inner bag is located in described shell, and the two ends of described inner bag are respectively equipped with inner bag left end cap and inner bag right end cap; The first closeouts, described the first closeouts is located between described shell left end cap and described inner bag left end cap; The second closeouts, described the second closeouts is located between described shell right end cap and described inner bag right end cap; Heat-insulation layer, described heat-insulation layer is filled between described shell and described inner bag; And electric-controlled box, described electric-controlled box is located in described the second closeouts.
According to the electric heater of the embodiment of the present invention, under the prerequisite of mould structure design that does not change insulation layer thickness and other members, by the first closeouts and the second closeouts are set, can avoid shell left end cap and the distortion of shell right end cap, avoid foamed material to pollute shell left end cap, shell right end cap and electric-controlled box simultaneously, thereby improve aesthetics and the performance of electric heater, make that electric heater is rational in infrastructure, production technology simple, production efficiency improves.Meanwhile, the loading of foamed material can suitably increase, and not exist and not filled full region by foamed material in the space of avoiding foaming, thereby improves insulation, the heat-proof quality of heat-insulation layer, and then reduces the energy consumption of electric heater.
In addition, according to electric heater of the present invention, also can there is following additional technical feature:
In some embodiments of the invention, the laminating of the inner surface of the left side of described the first closeouts and described shell left end cap, the outer surface laminating of the right side of described the first closeouts and described inner bag left end cap.Thereby avoid the distortion of shell left end cap.Meanwhile, can make the first closeouts there is certain positioning action to inner bag.
In specific embodiments more of the present invention, described the first closeouts comprises: the first shutoff plate body, described first outer peripheral face of shutoff plate body and the laminating of the inner surface of described shell, and the laminating of the inner surface of the left side of described the first shutoff plate body and described shell left end cap; The first boss, described the first boss is located at the right side of described the first shutoff plate body and overlaps with the center line of described the first shutoff plate body, and wherein the right side of the first boss forms the shape coordinating with the outer surface of described inner bag left end cap.
More specifically, the right side of described the first boss forms cambered surface.
In specific embodiments more of the present invention, the laminating of the inner surface of the right side of described the second closeouts and described shell right end cap, and the laminating of the outer surface of the left side of described the second closeouts and described inner bag right end cap.Thereby avoid the distortion of shell right end cap.And the outer surface of the left side of the second closeouts and inner bag right end cap laminating, can avoid foamed material enter into the second closeouts for installing in the space of electric-controlled box, and then avoid expanding foam solution to pollute electric-controlled box.
Particularly, described the second closeouts comprises: the second shutoff plate body, described second outer peripheral face of shutoff plate body and the laminating of the inner surface of described shell, and the laminating of the inner surface of the right side of described the second shutoff plate body and described shell right end cap; The second boss, described the second boss is located at the left side of described the second shutoff plate body, the center line of described the second boss overlaps with the center line of described the second shutoff plate body, in wherein said the second shutoff plate body and described the second boss, limits for placing the through hole of described electric-controlled box.
More specifically, the center line of described through hole overlaps with the center line of described the second boss.
Further, the outer surface of described inner bag right end cap is provided with flange, and wherein said electric-controlled box is mounted in described through hole by described flange, between the outer peripheral face of described flange and the outer surface of described inner bag right end cap, is provided with anti-flash circle.
Alternatively, described anti-flash circle is flexibly thermal insulation material.Wherein, anti-flash circle has certain flexibility, thereby makes anti-flash circle can change as required shape, and then anti-flash circle can be fitted on inner casing right end cap, the second boss and flange completely.And anti-flash circle can bear the expansive force of foamed material, thereby avoid anti-flash circle to damage, lost efficacy.And anti-flash circle has certain heat-insulating property, the heat that can reduce electric heater runs off.
Advantageously, described anti-flash circle is sponge, rubber and plastic heat-preservation cotton or aerogel heat-insulating felt.
Further, described anti-flash circle is provided with adhesive, and described anti-flash circle is connected on the outer surface of described inner bag right end cap by described adhesive.Thereby further prevent that foamed material from infiltrating in flange, avoid foamed material to pollute the components and parts on flange.
Alternatively, the material of described the first closeouts and described the second closeouts is at least one in hard polyaminoester (PU) cystosepiment, expanded polystyrene (EPS) cystosepiment, extruded polystyrene (XPS) cystosepiment, phenolic aldehyde (PF) cystosepiment.Thus, the first closeouts and the second closeouts all have certain elasticity, make the first closeouts and the second closeouts have certain cushioning effect to the expansive force of foamed material, and it is more even that expansive force is distributed.And the first closeouts and the second closeouts all have excellent heat-insulating property, thereby further reduce the energy loss of electric heater.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the structural representation of the electric heater of the embodiment of the present invention.
Reference numeral:
Electric heater 100,
Inner bag 1, inner bag left end cap 101, inner bag right end cap 102,
Shell 2, shell left end cap 201, shell right end cap 202, service cover 203,
Heat-insulation layer 3,
Water inlet pipe 41, outlet pipe 42, magnesium rod 43, heater 44,
Electric-controlled box 5,
The first closeouts 6, the first shutoff plate body 61, the first boss 62,
The second closeouts 7, the second shutoff plate body 71, the second boss 72, through hole 73,
Anti-flash circle 8, flange 9,
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " thickness ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1, describe according to the electric heater 100 of the embodiment of the present invention.
Electric heater 100 according to the embodiment of the present invention, as shown in Figure 1, comprising: shell 2, inner bag 1, the first closeouts 6, the second closeouts 7, heat-insulation layer 3 and electric-controlled box 5.
Wherein, the two ends of shell 2 are respectively equipped with shell left end cap 201 and shell right end cap 202, and inner bag 1 is located in shell 2, and the two ends of inner bag 1 are respectively equipped with inner bag left end cap 101 and inner bag right end cap 102.
In the example depicted in fig. 1, inner bag 1 be shaped as general cylindrical, the central axis of inner bag 1 is horizontally disposed with along left and right directions, the left and right end face of inner bag 1 is respectively cambered surface, that is to say, the outer surface of inner bag left end cap 101 and inner bag right end cap 102 is respectively cambered surface.The shape of shell 2 is also general cylindrical, and shell 2 coaxially arranges with inner bag 1.Certainly, the embodiment of the present invention is not limited to this, and shell 2 also can be other shapes with inner bag 1, does not do concrete restriction here.
With reference to Fig. 1, the first closeouts 6 is located between shell left end cap 201 and inner bag left end cap 101, and the second closeouts 7 is located between shell right end cap 202 and inner bag right end cap 102, and heat-insulation layer 3 is filled between shell 2 and inner bag 1.
Particularly, the space limiting between the first closeouts 6, the second closeouts 7, inner bag 1 and shell 2 is foaming space, and foamed material foaming in foaming space forms above-mentioned heat-insulation layer 3.Alternatively, foamed material is polyurethane foam material.
Wherein, foamed material produces expansive force in foaming process, because the first closeouts 6 is located between shell left end cap 201 and inner bag left end cap 101, the second closeouts 7 is located between shell right end cap 202 and inner bag right end cap 102, make foamed material respectively with shell left end cap 201, the contact area of shell right end cap 202 reduces, even foamed material not with shell left end cap 201, 202 contacts of shell right end cap, that is to say, the first closeouts 6 and the second closeouts 7 have the effect of blocking foamed material, for convenience of description, all the effect of " blocking foamed material " is called in the following description to " stifled bubble " effect.
Because the first closeouts 6 and the second closeouts 7 have stifled bubble effect, thereby avoided foamed material to pollute shell left end cap 201 and shell right end cap 202, and the expansive force of available buffer, dispersion foamed material, expansive force that shell left end cap 201 and shell right end cap 202 are subject to is less is not even subject to expansive force effect, so shell left end cap 201 and shell right end cap 202 can not be out of shape because of expansive force effect.Meanwhile, in the foaming later stage, when foamed material shrinks, the first closeouts 6 and the second closeouts 7 also can cushion the shrinkage stress of foamed material, thereby avoid shell left end cap 201 and shell right end cap 202 to cave in.Thus, the setting of the first closeouts 6 and the second closeouts 7 can improve the aesthetics of electric heater 100, and need not change the mould structure design of heat-insulation layer 3 thickness and other members, thereby makes the simple and reasonable for structure of electric heater 100, production technology is simple, and working (machining) efficiency is high.
In addition, due to shell left end cap 201 and shell right end cap 202 not yielding, so the loading of foamed material can suitably increase, for example, in a concrete example of the present invention, when the mistake loading of foamed material is 10-20%, shell left end cap 201 and shell right end cap 202 still can keep shape invariance.
The suitable increase of foamed material loading, can be convenient to form density higher, be more evenly distributed, thermal conductivity factor is lower, intensity is larger heat-insulation layer 3, thereby improve insulation, the heat-proof quality of heat-insulation layer 3, and then reduce the energy consumption of electric heater 100.For example, in a concrete example of the present invention, electric heater 100 can improve 1-2 efficiency grade.
And the suitable increase of foamed material loading, also can effectively avoid the space situation that insulation layer 3 does not fill up that foams, especially can avoid heat-insulation layer 3 by foamed material, not filled full region at inner bag left end cap 101 and the 102 places existence of inner bag right end cap.Thus, can guarantee can be wrapped up, seal by the heat-insulation layer 3 of even density on inner bag left end cap 101 and inner bag right end cap 102, thus the integral heat insulation effect of raising electric heater 100.
With reference to Fig. 1, electric-controlled box 5 is located in the second closeouts 7, thereby avoids foamed material to pollute electric-controlled box 5.
Further, as shown in Figure 1, electric heater 100 also comprises magnesium rod 43, water inlet pipe 41, outlet pipe 42 and heater 44, one end of magnesium rod 43, water inlet pipe 41, outlet pipe 42 and heater 44 extend into respectively in inner bag 1, the other end of magnesium rod 43 stretches in foaming space through inner bag 1, the other end of water inlet pipe 41 and outlet pipe 42 is respectively through stretching out after inner bag 1, heat-insulation layer 3, shell 2, and the other end of heater 44 is electrically connected to electric-controlled box 5.Wherein, water inlet pipe 41 and outlet pipe 42 all adopt the pipe fitting with anti-electric wall function.It should be noted that, the operation principle of magnesium rod 43, water inlet pipe 41, outlet pipe 42 and heater 44 and the structure, principle etc. with the pipe fitting of anti-electric wall function are prior art, no longer specifically describe here.
According to the electric heater 100 of the embodiment of the present invention, under the prerequisite of mould structure design that does not change heat-insulation layer 3 thickness and other members, by the first closeouts 6 and the second closeouts 7 are set, can avoid shell left end cap 201 and 202 distortion of shell right end cap, avoid foamed material to pollute shell left end cap 201, shell right end cap 202 and electric-controlled box 5 simultaneously, thereby improve aesthetics and the performance of electric heater 100, make that electric heater 100 is rational in infrastructure, production technology simple, production efficiency improves.Meanwhile, the loading of foamed material can suitably increase, and not exist and not filled full region by foamed material in the space of avoiding foaming, thereby improves insulation, the heat-proof quality of heat-insulation layer 3, and then reduces the energy consumption of electric heater 100.
In some embodiments of the invention, as shown in Figure 1, the laminating of the inner surface of the left side of the first closeouts 6 and shell left end cap 201, the outer surface laminating of the right side of the first closeouts 6 and inner bag left end cap 101.
Wherein, the inner surface laminating of the left side of the first closeouts 6 and shell left end cap 201, make not have gap between the left side of the first closeouts 6 and shell left end cap 201, therefore foamed material cannot infiltrate between the left side and shell left end cap 201 of the first closeouts 6, thereby avoids 201 distortion of shell left end cap.
And the laminating of the outer surface of the right side of the first closeouts 6 and inner bag left end cap 101 can make 6 pairs of inner bags 1 of the first closeouts have certain positioning action.Particularly, electric heater 100 also comprises wall hanging piece (scheming not shown), and electric heater 100 is fixed on body of wall by wall hanging piece, and when fit walls suspension member, the first closeouts 6 can prevent that between inner bag 1 and shell 2, dislocation is mobile.It should be noted that, wall hanging piece can adopt of the prior art for electric heater 100 is fixed on to the wall hanging piece on body of wall, is not specifically limited here.
In a specific embodiment of the present invention, as shown in Figure 1, the first closeouts 6 comprises the first shutoff plate body 61 and the first boss 62.
Wherein, the laminating of the inner surface of the outer peripheral face of the first shutoff plate body 61 and shell 2, and the laminating of the inner surface of the left side of the first shutoff plate body 61 and shell left end cap 201.
That is to say, as shown in Figure 1, the shape of the left side of the first shutoff plate body 61 is identical with the shape of the inner surface of shell left end cap 201, the area of the left side of the first shutoff plate body 61 equates substantially with the inner surface area of shell left end cap 201, thus, can be convenient to the location of the first closeouts 6, and foamed material cannot infiltrate between the first shutoff plate body 61 and shell left end cap 201, simultaneously, shell left end cap 201 also can be subject to the uniform supporting role power of the first shutoff plate body 61, thereby further guarantees that shell left end cap 201 is not yielding.Alternatively, as shown in Figure 1, the first shutoff plate body 61 forms the plate of even thickness.
With reference to Fig. 1, the first boss 62 is located at the right side of the first shutoff plate body 61, and the first boss 62 overlaps with the center line of the first shutoff plate body 61, and wherein the right side of the first boss 62 forms the shape coordinating with the outer surface of inner bag left end cap 101.
Particularly, the first boss 62 be shaped as general cylindrical, the center line of the first boss 62 also overlaps with the center line of inner bag 1, the right side area of the first boss 62 is less than the exterior surface area of inner bag left end cap 101.
More specifically, as shown in Figure 1, because the outer surface of the left end cap of inner bag 1 is cambered surface, therefore the right side of the first boss 62 forms the cambered surface coordinating with it.For example in the example depicted in fig. 1, the right side of the first boss 62 forms the cambered surface towards the direction bending away from inner bag 1.
In specific embodiments more of the present invention, the inner surface laminating of the right side of the second closeouts 7 and shell right end cap 202, make not have gap between the right side of the second closeouts 7 and shell right end cap 202, therefore foamed material cannot infiltrate between the right side and shell right end cap 202 of the second closeouts 7, thereby avoids 202 distortion of shell right end cap.And the outer surface of the left side of the second closeouts 7 and inner bag right end cap 102 laminating, thus can avoid foamed material enter into the second closeouts 7 for installing in the space of electric-controlled box 5, and then avoid expanding foam solution to pollute electric-controlled box 5.
In a specific embodiment of the present invention, as shown in Figure 1, the second closeouts 7 comprises the second shutoff plate body 71 and the second boss 72.
Wherein, the laminating of the inner surface of the outer peripheral face of the second shutoff plate body 71 and shell 2, and the laminating of the inner surface of the right side of the second shutoff plate body 71 and shell right end cap 202.
That is to say, as shown in Figure 1, the shape of the right side of the second shutoff plate body 71 is identical with the shape of the inner surface of shell right end cap 202, the area of the right side of the second shutoff plate body 71 equates substantially with the inner surface area of shell right end cap 202, thus, can be convenient to the location of the second closeouts 7, and foamed material cannot infiltrate between the second shutoff plate body 71 and shell right end cap 202, simultaneously, shell right end cap 202 also can be subject to the uniform supporting role power of the second shutoff plate body 71, thereby further guarantees that shell right end cap 202 is not yielding.Alternatively, as shown in Figure 1, the second shutoff plate body 71 forms the plate of even thickness.
With reference to Fig. 1, the second boss 72 is located at the left side of the second shutoff plate body 71, and the center line of the second boss 72 overlaps with the center line of the second shutoff plate body 71, wherein in the second shutoff plate body 71 and the second boss 72, limits for placing the through hole 73 of electric-controlled box 5.
Particularly, the center line of the second boss 72 overlaps with the center line of inner bag 1, and the area of removing through hole 73 of the left side of the second boss 72 is less than the exterior surface area of inner bag right end cap 102.
More specifically, on left and right directions, through hole 73 connects the second closeouts 7, and now, the second closeouts 7 forms annular.Alternatively, through hole 73 is circular port, and the center line of through hole 73 overlaps with the center line of the second boss 72.
Further, as shown in Figure 1, be also provided with the aperture of door connecting on shell right end cap 202 on the thickness direction of shell right end cap 202, electric heater 100 also comprises service cover 203, and service cover 203 is located on shell right end cap 202 to open or close aperture of door.Thus, can be convenient to maintenance or change electric-controlled box 5, thereby facilitating the maintenance of electric heater 100.
In some embodiments of the invention, as shown in Figure 1, the outer surface of inner bag right end cap 102 is provided with flange 9, and wherein electric-controlled box 5 is mounted in through hole 73 by flange 9, between the outer peripheral face of flange 9 and the outer surface of inner bag right end cap 102, is provided with anti-flash circle 8.
Particularly, electric-controlled box 5 also comprises the components and parts such as temperature limiter (scheming not shown), temperature controller (scheming not shown), and wherein, the structure of the components and parts such as temperature limiter and temperature controller, principle etc. are prior art, are not described in detail here.In the example of Fig. 1, the other end of heater 44 is fixed on flange 9, and the other end of heater 44 is electrically connected to electric-controlled box 5 through flange 9.
Particularly, outer being enclosed within on flange 9 of anti-flash circle 8, and the left side of anti-flash circle 8 is fitted on inner bag right end cap 102, the right side of anti-flash circle 8 is fitted on the left side of the second boss 72, thereby prevent that foamed material from infiltrating in flange 9 or through hole 73, and then avoid foamed material to pollute the components and parts in flange 9 and electric-controlled box 5.
More specifically, anti-flash circle 8 is flexibly thermal insulation material.Wherein, anti-flash circle 8 has certain flexibility, thereby makes anti-flash circle 8 can change as required shape, and then anti-flash circle 8 can be fitted on inner bag right end cap 102, the second boss 72 and flange 9 completely.And anti-flash circle 8 can bear the expansive force of foamed material, thereby avoid anti-flash circle 8 to damage, lost efficacy.And anti-flash circle 8 has certain heat-insulating property, the heat that can reduce electric heater 100 runs off.
Alternatively, anti-flash circle 8 is sponge, rubber and plastic heat-preservation cotton or aerogel heat-insulating felt.In preferred embodiments more of the present invention, due to the insulation of aerogel heat-insulating felt, heat insulation, water resistance is all very excellent, therefore anti-flash circle 8 is selected aerogel heat-insulating felt.In a concrete example of the present invention, the thermal conductivity factor of heat-insulation layer 3 is about 18mW/mK, the thermal conductivity factor of aerogel heat-insulating felt is also about 18mW/mK, therefore the thermal conductivity factor of aerogel heat-insulating felt is close to the thermal conductivity factor of heat-insulation layer 3, thereby makes the integral heat insulation effect of electric heater 100 more even.
Further, anti-flash circle 8 is provided with adhesive, and anti-flash circle 8 is connected on the outer surface of inner bag right end cap 102 by adhesive.Thereby further prevent that foamed material from infiltrating in flange 9, avoid foamed material to pollute the components and parts on flange 9.
In the example depicted in fig. 1, between the left surface of anti-flash circle 8 and inner bag right end cap 102, be provided with adhesive, between the right surface of anti-flash circle 8 and the second boss 72, be also provided with adhesive, now, between inner bag 1 and the second closeouts 7, by anti-flash circle 8 and adhesive, be connected, thereby make the second closeouts 7 be difficult for inner bag 1 between that dislocation occurs is mobile, and then the stifled bubble effect of assurance the second closeouts 7.
In some embodiments of the invention, the material of the first closeouts 6 and the second closeouts 7 is at least one in hard polyaminoester (PU) cystosepiment, expanded polystyrene (EPS) cystosepiment, extruded polystyrene (XPS) cystosepiment, phenolic aldehyde (PF) cystosepiment.
Thus, the first closeouts 6 and the second closeouts 7 all have certain elasticity, make the expansive force of the first closeouts 6 and 7 pairs of foamed materials of the second closeouts have certain cushioning effect, and it is more even that expansive force is distributed.And the first closeouts 6 and the second closeouts 7 all have excellent heat-insulating property, thereby further reduce the energy loss of electric heater 100.
In a preferred embodiment of the invention, the thermal conductivity factor of heat-insulation layer 3 is 18mW/mK, the first closeouts 6 and the second closeouts 7 are hard polyaminoester (PU) cystosepiment, now the thermal conductivity factor of the first closeouts 6 and the second closeouts 7 is also 18mW/mK, thereby makes the integral heat insulation better effects if, more even of electric heater 100.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (12)
1. an electric heater, is characterized in that, comprising:
Shell, the two ends of described shell are respectively equipped with shell left end cap and shell right end cap;
Inner bag, described inner bag is located in described shell, and the two ends of described inner bag are respectively equipped with inner bag left end cap and inner bag right end cap;
The first closeouts, described the first closeouts is located between described shell left end cap and described inner bag left end cap;
The second closeouts, described the second closeouts is located between described shell right end cap and described inner bag right end cap;
Heat-insulation layer, described heat-insulation layer is filled between described shell and described inner bag; And
Electric-controlled box, described electric-controlled box is located in described the second closeouts.
2. electric heater according to claim 1, is characterized in that, the inner surface laminating of the left side of described the first closeouts and described shell left end cap, the outer surface laminating of the right side of described the first closeouts and described inner bag left end cap.
3. electric heater according to claim 2, is characterized in that, described the first closeouts comprises:
The first shutoff plate body, described first outer peripheral face of shutoff plate body and the laminating of the inner surface of described shell, and the laminating of the inner surface of the left side of described the first shutoff plate body and described shell left end cap;
The first boss, described the first boss is located at the right side of described the first shutoff plate body and overlaps with the center line of described the first shutoff plate body, and wherein the right side of the first boss forms the shape coordinating with the outer surface of described inner bag left end cap.
4. electric heater according to claim 3, is characterized in that, the right side of described the first boss forms cambered surface.
5. according to the electric heater described in any one in claim 1-4, it is characterized in that the inner surface laminating of the right side of described the second closeouts and described shell right end cap, and the laminating of the outer surface of the left side of described the second closeouts and described inner bag right end cap.
6. electric heater according to claim 5, is characterized in that, described the second closeouts comprises:
The second shutoff plate body, described second outer peripheral face of shutoff plate body and the laminating of the inner surface of described shell, and the laminating of the inner surface of the right side of described the second shutoff plate body and described shell right end cap;
The second boss, described the second boss is located at the left side of described the second shutoff plate body, the center line of described the second boss overlaps with the center line of described the second shutoff plate body, in wherein said the second shutoff plate body and described the second boss, limits for placing the through hole of described electric-controlled box.
7. electric heater according to claim 6, is characterized in that, the center line of described through hole overlaps with the center line of described the second boss.
8. electric heater according to claim 6, it is characterized in that, the outer surface of described inner bag right end cap is provided with flange, and wherein said electric-controlled box is mounted in described through hole by described flange, between the outer peripheral face of described flange and the outer surface of described inner bag right end cap, is provided with anti-flash circle.
9. electric heater according to claim 8, is characterized in that, described anti-flash circle is flexibly thermal insulation material.
10. electric heater according to claim 9, is characterized in that, described anti-flash circle is sponge, rubber and plastic heat-preservation cotton or aerogel heat-insulating felt.
11. electric heaters according to claim 8, is characterized in that, described anti-flash circle is provided with adhesive, and described anti-flash circle is connected on the outer surface of described inner bag right end cap by described adhesive.
12. electric heaters according to claim 1, it is characterized in that, the material of described the first closeouts and described the second closeouts is at least one in hard polyaminoester (PU) cystosepiment, expanded polystyrene (EPS) cystosepiment, extruded polystyrene (XPS) cystosepiment, phenolic aldehyde (PF) cystosepiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410142910.3A CN104110834A (en) | 2014-04-10 | 2014-04-10 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410142910.3A CN104110834A (en) | 2014-04-10 | 2014-04-10 | Electric water heater |
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Cited By (6)
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| CN104819559A (en) * | 2015-05-15 | 2015-08-05 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and control method thereof |
| WO2018157311A1 (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN108507180A (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN108507155A (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN109514790A (en) * | 2017-09-19 | 2019-03-26 | 青岛经济技术开发区海尔热水器有限公司 | A kind of electric heater foam pad, insulating layer and electric heater |
| CN109631325A (en) * | 2018-10-17 | 2019-04-16 | 中山市恒乐电器有限公司 | A kind of electric heater with height adjusting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108507180B (en) * | 2017-02-28 | 2023-12-22 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN109514790A (en) * | 2017-09-19 | 2019-03-26 | 青岛经济技术开发区海尔热水器有限公司 | A kind of electric heater foam pad, insulating layer and electric heater |
| CN109631325A (en) * | 2018-10-17 | 2019-04-16 | 中山市恒乐电器有限公司 | A kind of electric heater with height adjusting function |
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Application publication date: 20141022 |
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