CN1765269A - Electric water heater - Google Patents
Electric water heater Download PDFInfo
- Publication number
- CN1765269A CN1765269A CN 200410087117 CN200410087117A CN1765269A CN 1765269 A CN1765269 A CN 1765269A CN 200410087117 CN200410087117 CN 200410087117 CN 200410087117 A CN200410087117 A CN 200410087117A CN 1765269 A CN1765269 A CN 1765269A
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- wall
- pressurd vessel
- inner pressurd
- oral area
- heater
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Abstract
An electric water heater, the inner wall (3a) and outer wall (3b) of the inner vessel (3) contracts orientating to the mouth and connects with each other in the mouth, making the outer diameter of the flange (3d) extending outside from mouth smaller than that of outer wall (3b), and loading the flange (3d) on the ring supporting part (10) on the shoulder part (5) through the sealing backing strip (20), the covering plate (23), lower cover (22), upper cover (21) and the heat-barrier material (25) between the lower cover (22) on the cover (6) of the ring supporting part (10) are deep in the inner vessel (3). The contraction of the inner wall and outer wall of the inner vessel orientating to the mouth smoothly can avoid the occurrence of metallic cracking, the sloping downwards descendent of the cover filled with heat-barrier material can improve the thermal insulation effect, and the reduction of assembly steps for inner vessel increases the working efficiency dramatically.
Description
Technical field
The present invention relates to electric heater, relate in particular to and have the double-deck inner pressurd vessel of metal vacuum, the electric heater that utilizes heater that the liquid in the inner pressurd vessel is heated, is incubated.
Background technology
Electric heater in the past is provided with following parts: the double-deck inner pressurd vessel of the metal vacuum that is surrounded by exterior body; It is solid wall that this inner pressurd vessel has only the bottom, lays heater on bottom outer wall; Oral area by the inner pressurd vessel inwall is the very big contraction flow region that narrows down of degree of curvature to the inside; The flange part that extend laterally outer wall that contacts with inwall and oral area upper end, this flange part is configured in the support of the central opening of exterior body upper end shoulder, and the electric hot water container with this structure is documented in (with reference to patent documentation 1 and Fig. 1 wherein and Fig. 2) in the TOHKEMY 2002-330869 communique.
Patent documentation 1: TOHKEMY 2002-330869 (Fig. 1 and Fig. 2)
According to Fig. 1 of this patent documentation 1 and Fig. 2 in the past electric heater is described below.
Electric hot water container in this patent documentation 1, its structure is: be provided with the vacuum double container 3 that covers external shell 12, this vacuum double container 3 is formed with the tubular at the end, and solid wall is made in the bottom, stack shell is made the vacuum double wall that is made of inner core 1 and urceolus 2, bigger contraction flow region is set on the opening 7 of inner core 1; Be provided with outer edge 3d toward the outer side in open upper end.In addition, the upper end of encapsulating housing 12 is provided with shoulder 16 outside, is provided with the peristome that is surrounded by wall 18 of up/down perforation in the central authorities of this shoulder 16; Be provided with the annular support part that extends towards a central side in the bottom of the wall 18 of peristome; Vacuum double container 3 caves in from shoulder 16 peristomes upper end, and after loading outward flange 3d on the annular support part of shoulder, by the lower end chucking vacuum double container of external shell, being installed with of can freely loading and unloading in the peristome of shoulder covers 8.
But, in this electric heater, the contraction flow region of the inner core 1 of vacuum double container is formed by extreme acute angle in narrow scope, therefore exists inner core to be difficult to make and is shaped, the acute angle position of contraction flow region produces metal be full of cracks, problems such as heat-insulating property reduction because of being heated.In addition, because the contraction of inner core self, the following of lid on the peristome that is installed in shoulder descended downwards from contraction flow region with freely loading and unloading significantly, can not increase the height of lid, thereby exist the problem that can't improve the heat-insulating property of peristome because of lid.
In addition, the vacuum double container is made the external diameter of urceolus 2 bigger than outward flange 3d, puts into from the peristome top of shoulder then, and need make the stack shell with length by peristome, thereby have the loaded down with trivial details problem of installation exercise.
Summary of the invention
It is provided with electric heater of the present invention 1 as lower member: the inner pressurd vessel 3 that bottom tube-like is arranged, solid wall is made in the bottom, the stack shell that is formed by inwall 3a and outer wall 3b is made the vacuum double wall, and have its oral area towards inboard central authorities, and the flange part 3d that extends from narrower oral area; Heater 7, it is fixed in around the bottom outer wall of inner pressurd vessel 3; External shell 2, it surrounds the stack shell of inner pressurd vessel 3; Bottom parts 4, it is in the bottom of the lower end of external shell 2 overlay content device; Shoulder spare 5, it is on the top of the upper end of external shell 2 overlay content device; Annular support part 10, it makes the central above-below direction opening of shoulder spare 5, and extends in the perisporium lower end that forms this central opening towards central authorities; Lid 6 has the loam cake 21, the lower cover 22 that open and close the inner pressurd vessel oral area in the upper end of shoulder spare 5, and overlay 23,
It is characterized in that: the inwall 3a of foregoing device 3 and outer wall 3b shrink smoothly and engage at oral area towards oral area together, for the flange part 3d that extends laterally from the oral area upper end, its external diameter is made littler than the external diameter of outer wall 3b, and it is loaded in by liner 20 on the annular support part 10 of shoulder spare 5, the heat-barrier material 25 between the overlay 23 of the lid 6 on the annular support part 10, lower cover 22, loam cake 21, the lower cover 22 enters in the inner pressurd vessel 3 more deeply.
The present invention shrinks to avoid the generation of metal be full of cracks towards oral area smoothly by the inner and outer wall that makes inner pressurd vessel; And descend by facing oblique below under the lid that makes filling heat insulator, solved problem in the past, improved heat insulation effect; By reducing the inner pressurd vessel installation steps, operating efficiency is significantly improved in addition.
Description of drawings
Fig. 1 is the profilograph of the embodiment of the invention.
Fig. 2 is the upward view that the embodiment of the invention is removed closure plate.
Fig. 3 is the profilograph of inner pressurd vessel in the embodiment of the invention.
Fig. 4 is the partial schematic diagram of the preceding state of inner pressurd vessel assembling in the embodiment of the invention.
Fig. 5 is the partial schematic diagram of state before inner pressurd vessel loads in the embodiment of the invention.
Fig. 6 is the partial schematic diagram of inner pressurd vessel loading condition in the embodiment of the invention.
Among the figure: 1 electric heater; 2 external shells; 3 inner pressurd vessels; The 3a inwall; The 3b outer wall; The 3d flange part; 3e thermoregulator contact wall; 3f heater contact wall; 3g heater pressing plate contact wall; 3h periphery diapire; 3j is pipe down; 4 bottom parts; 5 shoulders; 6 lids; 7 heaters; 8 thermoregulators; 9 output mechanisms; 10 annular support parts; 11 heater pressing plates; 12 barricades; 13 end differences; 14 base plates; 15 latch plate; 16 discharge pipes; 17 interlock pumps; 20 liners; 21 loam cakes; 22 lower covers; 23 overlays; 24 steam channels; 25 heat-barrier materials; R1 oral area internal diameter; The external diameter of R2 bottom single-layer portions.
The specific embodiment
The composition of electric heater 1 comprises: the inner pressurd vessel 3 that surrounds external shell 2; Combine the bottom parts 4 of overlay content device 3 bottoms with the lower end of external shell 2; Combine the shoulder spare 5 of the oral area of supporting inner pressurd vessel 3 with the upper end of external shell 2; Loading and unloading freely are arranged on the upper end central authorities of shoulder spare 5, are used to open and close the lid 6 of the oral area of inner pressurd vessel 3; Be used to heat the heater 7 of liquid in the inner pressurd vessel 3; The fluid temperature that is used in the perceived content device 3 comes folding to close the thermoregulator 8 of heater 7; Be used for the output mechanism 9 that the liquid with inner pressurd vessel discharges.
As shown in Figure 3, inner pressurd vessel 3 is provided with the inwall 3a that made by metal materials such as stainless steels and the cylindrical outer wall 3b bigger slightly than inwall 3a, welding outer wall 3b on the bottom outer wall of leaving inwall 3a bottom center, at the oral area welding outer wall 3b of inwall 3a oral area, be pumped into vacuum between the inside and outside wall, forming the bottom is the structure of vacuum double for individual layer, stack shell.
The inwall 3a of inner pressurd vessel 3 is along with near oral area, and its diameter is littler than the diameter of stack shell, and shrinks smoothly and narrow down gradually.The oral area internal diameter R1 of this inwall 3a forms bigger than the internal diameter of the bottom solid wall part of inner pressurd vessel 3, and the internal diameter of this solid wall part is the spot welding place external diameter R2 on every side of aftermentioned heater pressing plate 11.
3a is same with inwall, and the outer wall 3b of inner pressurd vessel 3 is along with near oral area, and its diameter diminishes than the diameter of stack shell, and shrinks smoothly and narrow down gradually.After the oral area outer wall of inwall 3a and the oral area welding, the flange part 3d that extends laterally is set, forms the bottom of vacuum double structure, make aftermentioned periphery diapire 3h surround inwall 3a in the upper end of outer wall 3b oral area.
The bottom of the inner pressurd vessel 3 that inwall 3a and outer wall 3b constitute form with lower member cave in successively stepped, the parts that comprise have: from the thermoregulator contact wall 3e of central authorities' contact aftermentioned thermoregulator 8; The heater contact wall 3f of contact heater 7 around thermoregulator contact wall 3e; The heater pressing plate contact wall 3g that contacts with heater pressing plate 11, double-deck periphery diapire 3h.
3j is communicated with in the inner pressurd vessel 3 and one through to the tubulose of outside pipe down, hangs down in the place ahead of the heater pressing plate contact wall 3g of inwall 3a.
The heater 7 of the liquid in the heating inner pressurd vessel 3 has: the heater housing that covers heater 7; Heater 7 is fixed on heater pressing plate 11 on the heater contact wall 3f of inner pressurd vessel 3 with heater housing; Be fastened on the heater pressing plate 11 by screw, and the barricade 12 that scatters and disappears to the bottom outside of inner pressurd vessel of the heat that can not make heater.
There is the cavity in the central authorities of heater 7, dispose liquid in the inner pressurd vessel 3 is heated to the primary heater of boiling, and the insulation auxiliary heater that is used to keep keeping warm mode, its heater with inner pressurd vessel 3 contacts wall 3f contact.
Heater pressing plate 11 forms breach in central authorities, is welding the fastening angle bar of using of screw on contact the periphery wall that wall 3g contacts with the heater pressing plate below.As manufacturing procedure before the spot welding, this screw is fastening to be welded on the heater pressing plate 11 with angle bar.This heater pressing plate 11 is separating around it on heater pressing plate contact wall 3g that proper spacing is welded on inner pressurd vessel under the state that with heater housing heater 7 is fitted on the heater contact wall 3f of inner pressurd vessel 3.
The shoulder spare 5 of connection external shell 2 is provided with the peristome at middle above-below direction opening; Be provided with the mouth that forwards extends in the front of peristome; Be provided with hinge portion in the back of peristome; Be provided with the annular support part 10 that extends towards inboard central authorities in the perisporium bottom that forms peristome.
The annular support part 10 of this peristome, to shown in Figure 6, front end is provided with the end difference 13 of low one-level as Fig. 4, and the internal diameter of this end difference 13 is bigger than the external diameter of the flange part 3d of outer wall 3b, thereby makes the flange part 3d of inner pressurd vessel 3 can insert logical smoothly.In the inboard of the annular support part 10 of this peristome, be laid with the stair-stepping liner 20 that embeds along the stairstepping of annular support part 10, on sealing liner 20, connecting the flange part 3d of inner pressurd vessel 3.Sealing liner 20 is made by elasticity heat proof materials such as having rubber.The lid 6 by the hinge portion axle supporting of shoulder spare 5 is installed on freely openable ground on this peristome.
The mouth of shoulder spare 5 has from the cavity of downside towards the top, takes in the discharge pipe of heating, insulation usefulness switch, lamp and aftermentioned output mechanism 9 etc. in its cavity.The control panel of each shift knob of expression and waste cock etc. is set on the place ahead of this mouth.
When inner pressurd vessel 3 is installed, as Fig. 4 and shown in Figure 5, at first the peristome below of inner pressurd vessel 3 from shoulder spare 5 pushed, temporarily make the flange part 3d of inner pressurd vessel 3 oral areas be loaded in the top of the annular support part 10 of peristome.Then, as shown in Figure 5, stair-stepping liner 20 is embedded from the flange part 3d top of inner pressurd vessel 3 oral areas, import flange part 3d towards the below.In addition, as shown in Figure 6, at end difference 13 towards the annular support part 10 of shoulder spare 5, embed liner 20 after, be pressed into the flange part 3d of the inner pressurd vessel 3 that temporarily pushes, it is loaded on the liner 20.At last, by fastening operation, finish the installation of inner pressurd vessel 3 to the latch plate 15 of aftermentioned bottom parts 4.
Axle is supported on lid 6 in the hinge portion of shoulder spare 5 by constituting with lower member, comprising: loam cake 21; Lower cover 22; The overlay 23 of metal material, its sealing covers the peristome of the following shoulder spare 5 of lower cover 22; Be filled in the heat-barrier material 25 between loam cake 21 and the lower cover 22, and with the steam channel 24 of the steam in the inner pressurd vessel 3 to outside drain.
The overlay 23 of this shoulder spare 5, enter more deeply from the inside internal tank of the oral area of inner pressurd vessel 3, lower cover 22 follows overlay 23 also to enter into inner pressurd vessel inside more deeply, except steam channel 24, all fill the heat-barrier material 25 of entering and enter inner pressurd vessel inside too more deeply, thereby improve heat-insulating property by lid 6.
The bottom parts 4 of overlay content device 3 bottoms, its composition comprises: make the base plate 14 of ring-type and the closure plate 15 of the metal material of the central opening of closed bottom 14 by synthetic resin.
Base plate 14 is made of the bottom with identical shaped stack shell of the shape of cross section of external shell 2 and central opening, is laid with the tabular closure plate 15 of metal material on this bottom.
Thermoregulator 8 is made up of thermistor etc., and it connects thermoregulator contact wall 3e of inner pressurd vessel 3, and fixedly remains on the barricade 12.This thermoregulator 8 is by detecting the fluid temperature in the inner pressurd vessel 3, and carried out folding and closed by computer control heater 7.The substrate of control computer is configured between inner pressurd vessel 3 and the bottom parts 4, is positioned at shown control panel above mouth the place ahead of shoulder spare 5 by operation, controls computer, and makes heater 7 and 9 work of aftermentioned output mechanism.
Output mechanism 9 as depicted in figs. 1 and 2, is made of following parts, comprising: interlock pump 17, and it sucks the liquid in the inner pressurd vessel 3, and discharges to the outside from discharge pipe 16 front ends; Liquid measure display tube (not shown), between discharge pipe 16 and interlock pump 17, the liquid measure in the displaying contents device 3; Topple over water valve portion 18, between liquid measure display tube and discharge pipe 16, be used for when water heater is toppled over, stop the liquid in the liquid measure display tube to flow out from discharge pipe 16; Tube connector (not shown) is used to connect the following pipe 3j of inner pressurd vessel 3 and the pump 17 that links.
Like this, make the external diameter R2 that constitutes the outermost heater pressing plate contact of single-layer portions wall 3g littler than near the internal diameter R1 inner pressurd vessel 3 oral areas, and spot welding heater pressing plate 11 securely, simultaneously, though the external diameter R2 of heater pressing plate contact wall 3g is less, but because heater 7 is the two phase structures that are made of primary heater and auxiliary heater, thus heat insulation effect in the inner pressurd vessel 3 and the supply that lefts in consumed power can be controlled, thus improve the efficient of this electric heater.
More than be that just the representational embodiment of the present invention is illustrated, but the present invention is not limited in these example structure, possessing the aforesaid structural element of the present invention, realized purpose of the present invention, and have in the scope of implementation result of the present invention, can carry out suitable change and implement.
Claims (1)
1. an electric heater (1), it is provided with as lower member: the inner pressurd vessel (3) that bottom tube-like is arranged, solid wall is made in the bottom, the stack shell that is formed by inwall (3a) and outer wall (3b) is made the vacuum double wall, and have its oral area, and the flange part (3d) that extends from narrower oral area towards inboard central authorities; Heater (7), it is fixed in around the bottom outer wall of inner pressurd vessel (3); External shell (2), it surrounds the stack shell of inner pressurd vessel (3); Bottom parts (4), it is in the bottom of the lower end of external shell (2) overlay content device; Shoulder spare (5), it is on the top of the upper end of external shell (2) overlay content device; Annular support part (10), it makes the central above-below direction opening of shoulder spare (5), and extends in the perisporium lower end that forms this central opening towards central authorities; Lid (6) has the loam cake (21), the lower cover (22) that open and close the inner pressurd vessel oral area in the upper end of shoulder spare (5), and overlay (23),
It is characterized in that: the inwall (3a) of foregoing device (3) and outer wall (3b) shrink smoothly and engage at oral area towards oral area together, for the flange part (3d) that extends laterally from the oral area upper end, its external diameter is made littler than the external diameter of outer wall (3b), and it is loaded in by liner (20) on the annular support part (10) of shoulder spare (5), the heat-barrier material (25) between the overlay (23) of the lid (6) on the annular support part (10), lower cover (22), loam cake (21), the lower cover (22) enters in the inner pressurd vessel (3) more deeply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410087117 CN1765269A (en) | 2004-10-27 | 2004-10-27 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410087117 CN1765269A (en) | 2004-10-27 | 2004-10-27 | Electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1765269A true CN1765269A (en) | 2006-05-03 |
Family
ID=36741544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410087117 Pending CN1765269A (en) | 2004-10-27 | 2004-10-27 | Electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1765269A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103857316A (en) * | 2011-10-04 | 2014-06-11 | Pi-设计公开股份公司 | Double-walled liquid container |
| CN109497813A (en) * | 2018-11-16 | 2019-03-22 | 烟台浩忆生物科技有限公司 | A kind of power supply pot and its application method |
-
2004
- 2004-10-27 CN CN 200410087117 patent/CN1765269A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103857316A (en) * | 2011-10-04 | 2014-06-11 | Pi-设计公开股份公司 | Double-walled liquid container |
| US9226610B2 (en) | 2011-10-04 | 2016-01-05 | Pi-Design Ag | Double-walled liquid container |
| CN103857316B (en) * | 2011-10-04 | 2016-05-11 | Pi-设计公开股份公司 | Double-walled liquid container |
| CN109497813A (en) * | 2018-11-16 | 2019-03-22 | 烟台浩忆生物科技有限公司 | A kind of power supply pot and its application method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |