CN102809220A - Electric-shock prevention protector of electric water heater - Google Patents
Electric-shock prevention protector of electric water heater Download PDFInfo
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- CN102809220A CN102809220A CN2011101475038A CN201110147503A CN102809220A CN 102809220 A CN102809220 A CN 102809220A CN 2011101475038 A CN2011101475038 A CN 2011101475038A CN 201110147503 A CN201110147503 A CN 201110147503A CN 102809220 A CN102809220 A CN 102809220A
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Abstract
The invention discloses an electric-shock prevention protector of an electric water heater. Water flow guiding structures are formed on a plurality of insulation water groove plates of the electric-shock prevention protector. Runners are determined jointly by an upper insulation cover, a lower insulation cover, the insulation water groove plates and the water flow guiding structures thereon, water flows into the water flow guiding structures in the insulation water groove plates from the upper insulation cover. By the special design of the water flow guiding structures, water flow direction of the adjacent runners in the water flow guiding structures are not in the same direction but flow in opposite direction, the cross section area and the length of each runner effectively guarantee that possible leakage current contacting with users actually is lower than the national corresponding standards of electric water heaters on the condition of regulated water flow and electric conduction rate in electric leakage accidents, so that safety in use is guaranteed, and further, the insulation water groove plates and the lower insulation cover which are used to be independent are integrated, structure is simplified, sealing performance is enhanced, and product reliability is greatly improved.
Description
Technical field
The invention belongs to the electric heater art, be specifically related to the Electrical Safety device of electric heater.
Background technology
Present various electric heater adopts leakage switch and anticreep circuit; Rely on electric heater ground connection to solve the protection against electric shock problem; If user's earth connection is bad or ground connection is opened circuit or earth connection is charged, although electric heater itself is qualified, the user in use still exists hidden danger.If itself leaked electricity during water heater used, add the nonstandard problem of above-mentioned earth connection again, water safety just is difficult to ensure.
The producer that has at present adopts the water resistance method to share electrical leakage voltage, realizes that through the lengthening water flow passage increase of current resistance value makes it to meet anticreep requirement, guarantees that human body is not shocked by electricity.The insulation inlet tube and outlet tube that will extend that has is contained in the heat storage water tank, and the water-in and water-out insulation tube with lengthening that has is installed at and mixes between water valve and the water heater intake-outlet, and certain effect is all arranged.But first method is difficult to realize for the very little quick-heating electric water heater of heating water tank.Second method is installed between water heater import and mixed water valve water resistance pretty troublesome.Two kinds of methods also are difficult to install additional for a large amount of quick-heating electric water heaters in use.Therefore have the dealer to invent spiral water flow passage, mosquito-repellent incense formula water flow passage etc., excessive being unfavorable for installs but there is volume in spiral water flow passage structure, and mosquito-repellent incense formula water flow passage hazard rate is higher, and manufacturing cost is high.
Summary of the invention
In order to overcome above-mentioned defective; The invention provides a kind of electric shock preventing protector of electric water heater; This electric shock preventing protector of electric water heater realizes that through the lengthening water flow passage increase of current resistance value makes it to meet anticreep requirement, and reliability is high, again and simple in structure, easy to implement.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of electric shock preventing protector of electric water heater; Comprise insulation loam cake, insulation lower cover and several layers insulation tank dish; The both ends of the surface of every layer of said insulation tank dish one of at least on be formed with one group of current deflecting structure, insulation loam cake, insulation lower cover and several layers insulation tank dish and on the current deflecting structure be defined as runner jointly;
Every group of said current deflecting structure is following: the end face of insulation tank dish is provided with the independently water channel wall of ring-type of some circles; Except that outmost turns water channel wall; All the other respectively enclose the water channel wall and all break off and have two terminations, face the water channel wall with the people and are as the criterion, and in a clockwise direction these two terminations are defined as head end and tail end; With the ordering successively from inside to outside diametrically of each circle water channel wall; Be tightly connected between the head end of the outer ring water channel wall that the head end of inner ring water channel wall is adjacent with it, be tightly connected between the tail end of adjacent odd term water channel wall, be tightly connected between the head end of neighbouring even-numbered item water channel wall;
The delivery port of insulation loam cake communicates with the water inlet end of adjacent current deflecting structure, and the water side of upper strata current deflecting structure communicates with the water inlet end of adjacent lower floor current deflecting structure, and the water inlet of insulation lower cover communicates with the water side of adjacent current deflecting structure.
Current get into the current deflecting structure in the insulation tank dish by the insulation loam cake, and the water (flow) direction of adjacent channels is for same direction but be rightabout and flow in the current deflecting structure.The sectional area of runner and length guarantee that effectively when utensil appearance electric leakage was unusual, under the discharge and electrical conductivity condition of regulation, the leakage current that the actual user possibly touch was guaranteed safe in utilization less than electric heater country respective standard.Certainly, can be known by said structure that current also can get into the current deflecting structure in the insulation tank dish by the insulation lower cover, promptly above-mentioned all water outlets all can be changed into into water, and all water inlets all can be changed into water outlet, and effect is the same.
Further technical scheme of the present invention is:
Every group of said current deflecting structure is following: be sealedly connected with first partition wall between the head end of the outer ring water channel wall that the head end of inner ring water channel wall is adjacent with it; The water inlet end of current deflecting structure is (when current are got into by the insulation lower cover; This water inlet end has also just become the water side) be opened in the said first partition wall place; Be tightly connected through first partition wall between the head end of the outer ring water channel wall that promptly head end of inner ring water channel wall is adjacent with it, the first partition wall shape is decided as required, and current are by the first partition wall place ingoing stream guide frame; Be sealedly connected with one second partition wall between the tail end of adjacent odd term water channel wall respectively; Be to be tightly connected through one second partition wall between the tail end of adjacent odd term water channel wall, some second partition walls can link to each other and also can not link to each other, and the second partition wall shape is decided as required; Be sealedly connected with one the 3rd partition wall respectively between the head end of neighbouring even-numbered item water channel wall; Be to be tightly connected through one the 3rd partition wall between the head end of neighbouring even-numbered item water channel wall, some the 3rd partition walls can link to each other and also can not link to each other, and the 3rd partition wall shape is decided as required.
Said water channel wall is polygon, petal and waveform thrin.
Said insulation tank dish is provided with one and form the current deflecting structure above that on the end face; The lower surface of said insulation tank dish constitutes said insulation lower cover for sealing; Being about to the separate insulation tank dish of tradition is combined as a whole with the insulation lower cover; Simplify the structure, strengthened sealing, promoted the reliability of product greatly.Melt sealing or the like through sealing of whole diaphragm seal or plastic heat between the common passage of traditional approach and do the 3 material sealing, be prone to cause the aging or heat of diaphragm seal to melt the improper runner that causes and partly or all stop up, influence water outlet, even cause protection inefficacy etc.
The sealing surface of said insulation tank dish and said insulation loam cake is provided with sealing ring.
The invention has the beneficial effects as follows: because special current deflecting structural design on the insulation tank dish of the present invention; Current get into the current deflecting structure in the insulation tank dish by the insulation loam cake; The water (flow) direction of adjacent channels is for same direction but be rightabout and flow in the current deflecting structure; The sectional area of runner and length are effectively guaranteed when utensil appearance electric leakage is unusual; Under the discharge and electrical conductivity condition of regulation, the leakage current that the actual user possibly touch is guaranteed safe in utilization less than electric heater country respective standard; The lower surface of insulation tank dish of the present invention is about to the separate insulation tank dish of tradition and is combined as a whole with the insulation lower cover for sealing constitutes the insulation lower cover, simplifies the structure, and has strengthened sealing, has promoted the reliability of product greatly.
Description of drawings
Fig. 1 is a decomposition texture sketch map of the present invention;
Fig. 2 is a current deflecting structural representation on the insulation tank dish of the embodiment of the invention 1;
Fig. 3 is the current deflecting structure principle chart of the embodiment of the invention 1.
Annotate: above-mentioned accompanying drawing is an example with pentagon water channel wall all.
The specific embodiment
Embodiment: a kind of electric shock preventing protector of electric water heater, as shown in Figure 1, comprise insulation loam cake 1, insulation lower cover and insulation tank dish 2; Be formed with one group of current deflecting structure on the upper surface of insulation tank dish, the lower surface of said insulation tank dish constitutes said insulation lower cover for sealing, and the sealing surface of said insulation tank dish and said insulation loam cake is provided with sealing ring; Specifically be; Outmost turns water channel wall and insulation are provided with the first silica gel circle 8 between the loam cake, are provided with the second silica gel circle 9 between inner ring water channel wall and the insulation loam cake, all the other water channel walls and insulate and be provided with the 3rd sealing ring 10 jointly between the loam cake; Being about to the separate insulation tank dish of tradition is combined as a whole with the insulation lower cover; Simplify the structure, strengthened sealing, promoted the reliability of product greatly.Melt sealing or the like through sealing of whole diaphragm seal or plastic heat between the common passage of traditional approach and do the 3 material sealing, be prone to cause the aging or heat of diaphragm seal to melt the improper runner that causes and partly or all stop up, influence water outlet, even cause protection inefficacy etc.
The insulation loam cake, the insulation lower cover and the insulation tank dish and on the current deflecting structure be defined as runner jointly.The delivery port of insulation loam cake communicates with the water inlet end of current deflecting structure, and the water inlet of insulation lower cover communicates with the water side of current deflecting structure.
Present embodiment is stressed that the concrete structure of current deflecting structure: the end face of insulation tank dish is provided with the independently water channel wall 3 of ring-type of some circles, and the shape of water channel wall can be polygon, petal or waveform etc. (in the accompanying drawing be example with the pentagon), except that outmost turns water channel wall; All the other respectively enclose the water channel wall and all break off and have two terminations; Face the water channel wall with the people and be as the criterion, in a clockwise direction these two terminations are defined as head end and tail end, with the ordering successively from inside to outside diametrically of each circle water channel wall; Be sealedly connected with first partition wall 4 between the head end of the outer ring water channel wall that the head end of inner ring water channel wall is adjacent with it; The water inlet end 7 of current deflecting structure (when current were got into by the insulation lower cover, this water inlet end had also just become the water side) is opened in the said first partition wall place, is tightly connected through first partition wall between the head end of the outer ring water channel wall that the head end of promptly inner ring water channel wall is adjacent with it; The first partition wall shape is decided as required; Current are sealedly connected with one second partition wall 5 respectively by the first partition wall place ingoing stream guide frame between the tail end of adjacent odd term water channel wall, be tightly connected through one second partition wall between the tail end of promptly adjacent odd term water channel wall; Some second partition walls can link to each other and also can not link to each other; And the second partition wall shape is decided as required, is sealedly connected with one the 3rd partition wall 6 respectively between the head end of neighbouring even-numbered item water channel wall, promptly is tightly connected through one the 3rd partition wall between the head end of neighbouring even-numbered item water channel wall; Some the 3rd partition walls can link to each other and also can not link to each other; And the 3rd partition wall shape is decided as required, and principle is as shown in Figure 3, and concrete structure is as shown in Figure 2.
Current get into the current deflecting structure in the insulation tank dish by the insulation loam cake, and the water (flow) direction of adjacent channels is for same direction but be rightabout and flow in the current deflecting structure.The sectional area of runner and length guarantee that effectively when utensil appearance electric leakage was unusual, under the discharge and electrical conductivity condition of regulation, the leakage current that the actual user possibly touch was guaranteed safe in utilization less than electric heater country respective standard.Certainly, can be known by said structure that current also can get into the current deflecting structure in the insulation tank dish by the insulation lower cover, promptly above-mentioned all water outlets all can be changed into into water, and all water inlets all can be changed into water outlet, and effect is the same.
Claims (5)
1. electric shock preventing protector of electric water heater; It is characterized in that; Comprise insulation loam cake (1), insulation lower cover and several layers insulation tank dish (2); The both ends of the surface of every layer of said insulation tank dish one of at least on be formed with one group of current deflecting structure, insulation loam cake, insulation lower cover and several layers insulation tank dish and on the current deflecting structure be defined as runner jointly;
Every group of said current deflecting structure is following: the end face of insulation tank dish is provided with the independently water channel wall (3) of ring-type of some circles; Except that outmost turns water channel wall; All the other respectively enclose the water channel wall and all break off and have two terminations; In a clockwise direction these two terminations are defined as head end and tail end,, are tightly connected between the head end of the outer ring water channel wall that the head end of inner ring water channel wall is adjacent with it ordering successively from inside to outside diametrically of each circle water channel wall; Be tightly connected between the tail end of adjacent odd term water channel wall, be tightly connected between the head end of neighbouring even-numbered item water channel wall;
The delivery port of insulation loam cake communicates with the water inlet end of adjacent current deflecting structure, and the water side of upper strata current deflecting structure communicates with the water inlet end of adjacent lower floor current deflecting structure, and the water inlet of insulation lower cover communicates with the water side of adjacent current deflecting structure.
2. electric shock preventing protector of electric water heater according to claim 1; It is characterized in that; Every group of said current deflecting structure is following: be sealedly connected with first partition wall (4) between the head end of the outer ring water channel wall that the head end of inner ring water channel wall is adjacent with it; The water inlet end of current deflecting structure (7) is opened in the said first partition wall place; Be sealedly connected with one second partition wall (5) between the tail end of adjacent odd term water channel wall respectively, be sealedly connected with one the 3rd partition wall (6) respectively between the head end of neighbouring even-numbered item water channel wall.
3. electric shock preventing protector of electric water heater according to claim 1 is characterized in that, said water channel wall is polygon, petal and waveform thrin.
4. electric shock preventing protector of electric water heater according to claim 1 is characterized in that, said insulation tank dish is provided with one and form the current deflecting structure above that on the end face, and the lower surface of said insulation tank dish constitutes said insulation lower cover for sealing.
5. electric shock preventing protector of electric water heater according to claim 4 is characterized in that, the sealing surface of said insulation tank dish and said insulation loam cake is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147503.8A CN102809220B (en) | 2011-06-02 | 2011-06-02 | Electric shock preventing protector of electric water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147503.8A CN102809220B (en) | 2011-06-02 | 2011-06-02 | Electric shock preventing protector of electric water heater |
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| Publication Number | Publication Date |
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| CN102809220A true CN102809220A (en) | 2012-12-05 |
| CN102809220B CN102809220B (en) | 2015-09-02 |
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| CN201110147503.8A Active CN102809220B (en) | 2011-06-02 | 2011-06-02 | Electric shock preventing protector of electric water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398067A (en) * | 2019-07-05 | 2019-11-01 | 芜湖美的厨卫电器制造有限公司 | Water heater and its control method and computer readable storage medium |
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| CN201032283Y (en) * | 2007-05-12 | 2008-03-05 | 陈苏 | Low-resistance anti-electric wall device |
| CN201081417Y (en) * | 2007-08-30 | 2008-07-02 | 林忠生 | Safe electric insulating wall for electric water heater |
| CN201225768Y (en) * | 2008-03-31 | 2009-04-22 | 陈雁锋 | Anticreepage apparatus for electrical water heater |
| CN101865530A (en) * | 2009-04-20 | 2010-10-20 | 樱花卫厨（中国）股份有限公司 | Electric shock preventing protector of electric water heater |
| CN201637126U (en) * | 2010-04-13 | 2010-11-17 | 舒定涛 | Practical leakage protection wall |
| CN101988745A (en) * | 2010-12-08 | 2011-03-23 | 吴兢 | Improved structure of leakage protector of water heater |
| CN202133124U (en) * | 2011-06-02 | 2012-02-01 | 浙江康泉电器有限公司 | Anti-electric-shock protection device of electric water heater |
-
2011
- 2011-06-02 CN CN201110147503.8A patent/CN102809220B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201032283Y (en) * | 2007-05-12 | 2008-03-05 | 陈苏 | Low-resistance anti-electric wall device |
| CN201081417Y (en) * | 2007-08-30 | 2008-07-02 | 林忠生 | Safe electric insulating wall for electric water heater |
| CN201225768Y (en) * | 2008-03-31 | 2009-04-22 | 陈雁锋 | Anticreepage apparatus for electrical water heater |
| CN101865530A (en) * | 2009-04-20 | 2010-10-20 | 樱花卫厨（中国）股份有限公司 | Electric shock preventing protector of electric water heater |
| CN201637126U (en) * | 2010-04-13 | 2010-11-17 | 舒定涛 | Practical leakage protection wall |
| CN101988745A (en) * | 2010-12-08 | 2011-03-23 | 吴兢 | Improved structure of leakage protector of water heater |
| CN202133124U (en) * | 2011-06-02 | 2012-02-01 | 浙江康泉电器有限公司 | Anti-electric-shock protection device of electric water heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398067A (en) * | 2019-07-05 | 2019-11-01 | 芜湖美的厨卫电器制造有限公司 | Water heater and its control method and computer readable storage medium |
| CN110398067B (en) * | 2019-07-05 | 2022-07-15 | 芜湖美的厨卫电器制造有限公司 | Water heater, control method thereof and computer-readable storage medium |
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| CN102809220B (en) | 2015-09-02 |
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Effective date of registration: 20170906 Address after: 310000 No. 777, No. 18, Hangzhou economic and Technological Development Zone, Zhejiang Province Patentee after: Hangzhou spring water heater Co., Ltd. Address before: 325000 Zhejiang city of Wenzhou Province Economic and Technological Development Zone on River Road No. 85 Patentee before: Kangqun Electric Appliance Co., Ltd., Zhejiang |