CN1800743A - Total obstructing insulation device and electric water heater employing the same - Google Patents
Total obstructing insulation device and electric water heater employing the same Download PDFInfo
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- CN1800743A CN1800743A CN 200610037905 CN200610037905A CN1800743A CN 1800743 A CN1800743 A CN 1800743A CN 200610037905 CN200610037905 CN 200610037905 CN 200610037905 A CN200610037905 A CN 200610037905A CN 1800743 A CN1800743 A CN 1800743A
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- insulation
- inner bag
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- spare
- isolated insulation
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Abstract
The invention relates to an improvement of insulated device, and an electric water heater with said device, belonging to the household appliance technique. The inventive all-baffle insulated device comprises a first connected element near the electric appliance, a outwards second connected element, a separation insulated element between said two connected elements and a connection element. Said separation insulated element can at least separate the first connected element from the connection element; said connection element is through the first connected element, the separation insulated element and the second connected element to connect them. Therefore, if the first connected element is electrified by electric leakage, the other elements will not be electrified to confirm the safety. Compared to present technique, the invention can avoid the electric leakage to reach the safety standard of household appliance.
Description
Technical field
The present invention relates to a kind of improvement of seal, also design the electric heater that adopts this device simultaneously, belong to household electrical appliance technical field.
Background technology
The insulating properties of household electrical appliance are the problems that people pay close attention to and study always.In the standard GB 4706.1 " safety of family expenses and similar applications electrical equipment " specified in more detail to the security requirement of household electrical appliance.Retrieval is found, in please number be that 031062628 Chinese invention patent discloses a kind of insulation assembly and used the electric heater of this insulation assembly, wherein insulation assembly comprises the support that is insulated object one, the support that is insulated object two, felt pad, connector, and insulation sleeve, felt pad is arranged between the support and object two that is insulated object one, above-mentioned insulation sleeve is enclosed within on this connector, and this is insulated support, felt pad, the object two of object one, the support that is insulated object two is connected in turn by this connector.
It is inner when leaking (band) electricity to adopt the electric heater of this insulation system to prevent, electric current passes to outer cover of water heater (or body of wall), so can avoid the user is caused danger.Yet, theory analysis and instrument detecting all show, though this insulation assembly is exposed at the connector (being generally screw) of electric heater outer surface at home and abroad isolated by the shell of insulation sleeve and electric heater, and inner bag of its inner and electric heater and support thereof directly contact and be connected.Therefore, when the inner leakage of electric heater (band) electricity,,, can't guarantee safety theoretically with still having the possibility of electric shock if the user touches the exposed junction of connector accidentally.
Summary of the invention
The objective of the invention is: at the defective that above prior art exists, proposes a kind of not only can make two be connected member insulated from each other, simultaneously guarantee connector also be connected the total obstructing insulation that member insulate.The present invention simultaneously also will provide the electric heater that adopts this device, thereby realize that all expose part and all insulate with internals, guarantee safe in utilization.
Applicant is recognized in experimental study: the key that reaches above purpose is, will realize that not only two insulation that are connected between the member isolate, and will manage to be connected in the syndeton of member two and avoid any conduction to connect.
On this understanding basis, the applicant has proposed the technical scheme of following total obstructing insulation: this device comprises and electrification device is contiguous first be connected member, external second be connected member, at the two isolated insulation spares that are connected between the member, and connector, its improvements are: described isolated insulation spare is connected the insulation of member and connector to major general first isolates, described connector passes and first is connected member, isolated insulation spare and second is connected member, and being fixed links together.
The further realization of above technical scheme is: described isolated insulation spare is upper and lower structure, top is the dottle pin of central hole, lower central perforation place is surrounded by the nut of connector, during assembling, top is every being connected between the member at first and second, and the bottom is connected member with first and connector is isolated, and the bolt of connector is connected member by second and penetrates, screw with nut and to tighten up, first and second is connected member is fixed together.
Like this, even first connected piece is owing to reason accidents such as electric leakage are charged, because the insulation buffer action of isolated insulation spare, the external parts of fixedly connected with it all---comprise that second is connected member and connector all can be not charged, it is hereby ensured safety.Compare with above prior art, the present invention has stopped the possibility of external electric leakage theoretically, can be used for fully satisfying the requirement of the safety standard of household electrical appliance, therefore has outstanding substantive distinguishing features and obvious improvement.
Adopt apparatus of the present invention the inner bag member that full obstruct insulated electro water heater comprises and electrothermal device is contiguous, cover on inner bag outer casing component, the isolated insulation spare between inner bag and shell, and fastening connection piece, described isolated insulation spare to major general's inner bag member and fastening connection piece insulation isolated, described fastening connection piece passes inner bag member, isolated insulation spare and casing component, and it is fastened together.
Under the effect of isolated insulation spare, the inner bag member with comprise shell, fastening connection piece all expose zero, parts insulate mutually, even therefore electrothermal device electric leakage, electric heater expose zero, parts can be not charged yet, thereby guaranteed safe in utilization.In addition, because insulating materials is the non-conductor of heat usually, therefore, after adopting structure of the present invention, for electric heater, also simultaneously with inner bag and expose zero, the heat bridge between the parts cuts off, and significantly reduced the external heat loss through conduction of inner bag, thereby help improving the firing rate and the thermal efficiency of electric heater, obtained the beneficial effect that kills two birds with one stone.
Description of drawings
Below in conjunction with preferred embodiments and drawings technical scheme of the present invention is described in further detail.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structure for amplifying schematic diagram of isolated insulation spare among Fig. 1 embodiment.
The specific embodiment
Embodiment
Present embodiment is a kind of electric heater that adopts total obstructing insulation, as shown in Figure 1, in the enamel inner container 6 of this water heater the electrically heated rod (not shown) is housed, the outer surface of inner bag 6 is welded with the internal bladder support of M shape, constitutes with first of electrification device vicinity to be connected member.The outer surface that covers on the outer casing cylinder 3 of inner bag is equipped with and is used for the shell hanger 2 that electric heater mounts, and constitutes external second and is connected member.The isolated insulation spare of nylon material 5 is connected between the member two, in with inner bag member and casing component isolation, also by self dottle pin effect to internal bladder support 4, inner bag member and bolt 1 and nut insulation as fastening connection piece are isolated, bolt 1 in the fastening connection piece passes the internal bladder support 4 in casing component (2,3), isolated insulation spare 5 and the inner bag member, screw locking with nut, above zero, parts are fixed together.Other space filling-foam partiting thermal insulation material between inner bag 6 and the casing cylinder 3, thus heat insulating effect further improved, and help reinforced insulation.
Assembling for convenience, isolated insulation spare 5 is made upper and lower conjoined structure as shown in Figure 2, top is the dottle pin of about flange central hole, lower central perforation place is surrounded by fastener nut 1 ', the location that is shaped on suitable for reading of centre bore isolates boss, the extension band of bottom one side and the one side on top are linked as integral body, and is so not only convenient for assembly, and can simplify moulding process.During assembling, on internal bladder support 4, in place in the perforation of the location of bottom isolation boss embedding internal bladder support 4, top is every between shell 3 and internal bladder support 4 with the slit plug-in card between the upper and lower part of isolated insulation spare 5.After bolt 1 ecto-entad penetrates, can screw with nut very easily and tighten up, casing component and inner bag member are fixed together.Be not difficult to find out, isolated insulation spare 5 has reliably been realized casing component and inner bag member, has been fastenedly connected the insulation isolation of bolt and nut and inner bag member, it is hereby ensured making in the process at electric heater, even electrically heated rod electric leakage, all that comprise casing component, fastening connection piece expose zero, parts all can be not charged.
Need to prove that above embodiment is nonrestrictive to technical scheme part of the present invention.In addition to the implementation, the present invention can also have other embodiment.For example, this total obstructing insulation also can be used for other household electrical appliance such as refrigerator, washing machine; Insulator spacer also can be split type, can further set up the insulation system with second connected piece; The material of insulator spacer can be selected in various insulating materials; Connector is not limited to bolt and nut, can adopt other connectors such as pulling rivet; Or the like.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. total obstructing insulation, this device comprises and electrification device is contiguous first be connected member, external second be connected member, at the two isolated insulation spares that are connected between the member, and connector, it is characterized in that: described isolated insulation spare is connected the insulation of member and connector to major general first isolates, described connector passes and first is connected member, isolated insulation spare and second is connected member, and being fixed links together.
2. according to the described total obstructing insulation of claim 1 and adopt the electric heater of this device, it is characterized in that: described isolated insulation spare is upper and lower structure, top is the dottle pin of central hole, lower central perforation place is surrounded by the nut of connector, during assembling, top is every being connected between the member at first and second, the bottom is connected member with first and connector is isolated, the bolt of connector is connected member by second and penetrates, screw with nut and to tighten up, first and second is connected member is fixed together.
3. according to the described total obstructing insulation of claim 2 and adopt the electric heater of this device, it is characterized in that: described first and second is connected other space filling-foam partiting thermal insulation material between the member.
4. one kind intercepts the insulated electro water heater entirely, comprise and inner bag member that electrothermal device is contiguous, cover on inner bag outer casing component, the isolated insulation spare between inner bag and shell, and fastening connection piece, it is characterized in that: described isolated insulation spare to major general's inner bag member and fastening connection piece insulation isolated, described fastening connection piece passes inner bag member, isolated insulation spare and casing component, and it is fastened together.
5. according to the described full obstruct insulated electro water heater of claim 4, it is characterized in that: described inner bag outer surface is welded with internal bladder support, described outer surface of outer cover is welded with the shell hanger, described isolated insulation spare is in inner bag member and casing component isolation, also by self dottle pin effect to internal bladder support, inner bag member and the screw bolt and nut insulation as fastening connection piece are isolated, bolt in the described fastening connection piece passes casing component, isolated insulation spare and internal bladder support, screw locking with nut, above zero, parts are fixed together.
6. according to the described full obstruct insulated electro water heater of claim 5, it is characterized in that: described isolated insulation spare is upper and lower structure.
7. according to the described full obstruct insulated electro water heater of claim 6, it is characterized in that: one side the extension band of described isolated insulation spare bottom one side and top be linked as integral body, during assembling, with the slit plug-in card between the isolated insulation spare upper and lower part on internal bladder support.
8. according to claim 6 or 7 described full obstruct insulated electro water heaters, it is characterized in that: lower central perforation place of described isolated insulation spare is surrounded by fastener nut, the location that is shaped on suitable for reading of centre bore isolates boss, during assembling, in place in the perforation of the location isolation boss embedding internal bladder support of bottom, the bolt ecto-entad penetrates, and screws with nut to tighten up, and casing component and inner bag member are fixed together.
9. described according to Claim 8 full obstruct insulated electro water heater, it is characterized in that: the top of described isolated insulation spare is the dottle pin of about flange central hole, during assembling, top is every between shell and internal bladder support.
10. according to the described full obstruct insulated electro water heater of claim 9, it is characterized in that: other space filling-foam partiting thermal insulation material between described inner bag and the casing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100379051A CN100425924C (en) | 2006-01-20 | 2006-01-20 | Total obstructing insulation device and electric water heater employing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100379051A CN100425924C (en) | 2006-01-20 | 2006-01-20 | Total obstructing insulation device and electric water heater employing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1800743A true CN1800743A (en) | 2006-07-12 |
| CN100425924C CN100425924C (en) | 2008-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100379051A Active CN100425924C (en) | 2006-01-20 | 2006-01-20 | Total obstructing insulation device and electric water heater employing the same |
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| Country | Link |
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| CN (1) | CN100425924C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988735A (en) * | 2009-07-30 | 2011-03-23 | 博西华电器（江苏）有限公司 | Water heater |
| CN104952536A (en) * | 2015-07-06 | 2015-09-30 | 绍兴市柯桥区罗莱日用品有限公司 | Cable provided with heat shield with heat dissipation holes and wear-resisting layers |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555352U (en) * | 2009-12-08 | 2010-08-18 | 博西华电器（江苏）有限公司 | Water heater with thermal insulation rack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2578033B1 (en) * | 1985-02-22 | 1987-04-10 | Chauffe Eau Cie Indle | GROUNDED EXTERIOR METAL ENCLOSED WATER HEATER |
| JP2756590B2 (en) * | 1989-08-12 | 1998-05-25 | 日本高圧電気株式会社 | Ceramic heaters that can be used for electric water heaters, etc. |
| CN2557875Y (en) * | 2002-06-07 | 2003-06-25 | 宁波大拇指电器有限公司 | Insulation pipe joint for water-heater |
| CN1211617C (en) * | 2003-02-24 | 2005-07-20 | 海尔集团公司 | Insulative assembly and electric water heater therewith |
| CN2736694Y (en) * | 2003-11-17 | 2005-10-26 | 浙江康泉电器有限公司 | High safety electric water heater |
-
2006
- 2006-01-20 CN CNB2006100379051A patent/CN100425924C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988735A (en) * | 2009-07-30 | 2011-03-23 | 博西华电器（江苏）有限公司 | Water heater |
| CN104952536A (en) * | 2015-07-06 | 2015-09-30 | 绍兴市柯桥区罗莱日用品有限公司 | Cable provided with heat shield with heat dissipation holes and wear-resisting layers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100425924C (en) | 2008-10-15 |
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