CN104534683B - Electricity-proof wall structure and electric water heater - Google Patents
Electricity-proof wall structure and electric water heater Download PDFInfo
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- CN104534683B CN104534683B CN201410852318.2A CN201410852318A CN104534683B CN 104534683 B CN104534683 B CN 104534683B CN 201410852318 A CN201410852318 A CN 201410852318A CN 104534683 B CN104534683 B CN 104534683B
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- water
- plastic tube
- water pipe
- joint
- wall construction
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 239000004033 plastic Substances 0.000 claims abstract description 73
- 229920003023 plastic Polymers 0.000 claims abstract description 73
- 238000010276 construction Methods 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention provides an electricity-proof wall structure for preventing electric leakage of an electric water heater, which comprises a water pipe assembly, a plastic pipe and an adapter assembly, wherein the water pipe assembly is connected with the plastic pipe assembly; the water pipe component comprises a water pipe and a water pipe connector, wherein the first end of the water pipe connector is connected with the water pipe, and the water pipe is used as a water inlet pipe or a water outlet pipe of a water tank liner of the electric water heater; the first end of the plastic pipe is embedded into the second end of the water pipe connector and is fixedly connected with the second end of the water pipe connector; the adapter assembly is connected with the second end of the plastic pipe in a sealing mode and is communicated with the water pipe assembly through the plastic pipe. The invention also relates to an electric water heater. The electricity-proof wall structure and the electric water heater of the invention can ensure that water in the inner container of the water tank can not overflow from the outside of the plastic pipe and can only flow out through the plastic pipe, thus reducing the water from high voltage to human body safe voltage, achieving the purpose of preventing electric leakage and being safe and reliable. Moreover, the electricity-proof wall of the invention has simpler structure and reduces the production cost.
Description
Technical field
The present invention relates to electric heater technical field, more particularly to a kind of anti-electric wall construction and electric heater.
Background technology
The anti-electric wall construction of general Water tank for electrical water heater is built-in with insulation bushing pipe, and water-in and water-out bushing pipe is built in water tank
In inner bag, the purpose of protection against electric shock is reached by the tortuous of increase current route.Certainly, also have on market using external exhausted
The anti-electric wall construction of edge pipe joint.But, both anti-electric wall constructions are complex, and production cost is higher.
The content of the invention
In view of the present situation of prior art, it is an object of the invention to provide a kind of anti-electric wall construction and electric heater, simplify
Anti-electric wall construction, simple structure, so as to reducing production cost.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of anti-electric wall construction, for preventing the electric leakage of electric heater, including：
Conduit assembly, the conduit assembly include water pipe and water pipe head, the first end of the water pipe head and the water
Pipe connects, water inlet pipe or outlet pipe of the water pipe as the inner water tank of the electric heater；
Plastic tube, the first end of the plastic tube are embedded in the second end of the water pipe head, with the water pipe head
Two ends are fixedly connected；And
Adapter component, the adapter component are tightly connected with the second end of the plastic tube, the adapter component
Connected with the conduit assembly by the plastic tube.
Wherein in one embodiment, also including the water outlet connector being arranged on the inner water tank；
The conduit assembly runs through the water outlet connector and is embedded in the water outlet connector, one end of the water outlet connector
It is embedded in the adapter component, the water outlet connector is threadedly coupled with the adapter component.
Wherein in one embodiment, also including the first seal washer, first seal washer is placed in the mouth of a river
Between joint and the water pipe head.
Wherein in one embodiment, the adapter component includes the first joint, the connecting portion and second being interconnected
Joint；
First joint is embedded in the first end of the connecting portion, and second joint is embedded in the of the connecting portion
Two ends, the injection of first joint, the connecting portion and second joint are integral；First joint and described second connects
Head is made by metal material, and the connecting portion is made up of insulant；
One end of the water outlet connector is embedded in first joint, and second joint is used to connect peripheral hardware water pipe.
Wherein in one embodiment, the water pipe and the connected mode of the water pipe head be threaded connection, it is bonding or
Welding；The water pipe head is with the connected mode of the plastic tube is for bonding, threaded connection or welds.
Wherein in one embodiment, the length of the plastic tube should be met with the cross-sectional area of the plastic tube：L≥
16.9S；
Wherein, length of the L for plastic tube, total cross-sectional flow areas of the S for plastic tube.
Wherein in one embodiment, the plastic tube is antipriming pipe；
In the axial direction of the plastic tube, multiple through holes are set in the plastic tube, multiple through holes are logical as current
Road.
Wherein in one embodiment, the through hole is circular port, square opening or tri-angle-holed.
Wherein in one embodiment, also including the second seal washer, second seal washer is arranged on the switching
Between head assembly and the plastic tube.
The invention further relates to a kind of electric heater, including the anti-electric wall construction described in any of the above-described.
The invention has the beneficial effects as follows：
The anti-electric wall construction and electric heater of the present invention, by arranging plastic tube in water pipe head, and by plastic tube
It is fixedly connected in the embedded water pipe head of first end and with water pipe head, the second end and the adapter component of plastic tube are tightly connected,
So that the water in inner water tank cannot overflow from outside plastic tube and can only Jing plastic tubes flow out, make water from high pressure be reduced to human body peace
Full voltage, reaches the purpose for preventing leaking electricity, safe and reliable.And, the anti-electric wall construction of the present invention is relatively simple, reduces production
Cost.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment of anti-electric wall construction of the present invention.
Specific embodiment
In order that technical scheme is clearer, below in conjunction with accompanying drawing, the anti-electric wall construction and electricity to the present invention
Water heater is described in further detail.It should be appreciated that specific embodiment described herein is only to explain the present invention not
For limiting the present invention.
As shown in figure 1, the anti-electric wall construction of one embodiment of the invention, including conduit assembly, plastic tube 5, adapter component
1st, the second seal washer 2, the first seal washer 6 and water outlet connector 4, for preventing electric heater electric leakage from causing personal injury.Its
In, conduit assembly connects the inner water tank of electric heater, including water pipe 7 and water pipe head 3, the first end and water of water pipe head 3
Pipe 7 connects, water inlet pipe or outlet pipe of the water pipe 7 as the inner water tank of electric heater.Preferably, water pipe 7 and water pipe head 3
Connected mode should be adapted with the internal diameter of the first end of water pipe head 3 for threaded connection, bonding or welding, and the external diameter of water pipe 7.
In second end of the embedded water pipe head 3 of the first end of plastic tube 5, i.e., plastic tube 5 is arranged on relative with water pipe 7
End.Plastic tube 5 is fixedly connected with the second end of water pipe head 3, it is preferable that plastic tube 5 is viscous with the connected mode of water pipe head 3
Connect, be threadedly coupled or weld or be fastenedly connected by adapter component 1 and the second seal washer 2 (by adapter component 1 by the
Two seal washers 2 are compressed so that plastic tube 5 is affixed with water pipe head 3).Preferably, the water pipe head 3 in the present embodiment is adopted
Be stainless steel water pipe joint.
Adapter component 1 is tightly connected with the second end of plastic tube 5, and adapter component 1 passes through plastic tube 5 and conduit assembly
Connection, so that the water in inner water tank cannot overflow from outside plastic tube and can only Jing plastic tubes outflow, make water from high pressure drop
As little as human safety voltage, reaches the purpose for preventing leaking electricity, safe and reliable.Plastic tube 5 in the present embodiment can also be using modeling
Other insulation outside material are made.
By plastic tube is arranged in water pipe head, and the first end of plastic tube is embedded in water pipe head and is connect with water pipe
Head is fixedly connected, and the second end and the adapter component of plastic tube are tightly connected so that the water in inner water tank cannot be from plastic tube
It is outer spilling and can only Jing plastic tubes flow out, make water be reduced to human safety voltage from high pressure, reach prevent leak electricity purpose, safety
It is reliable.And, the anti-electric wall construction of the present invention is relatively simple, reduces production cost.
Used as a kind of embodiment, water outlet connector 4 is welded on the inner water tank of electric heater, certainly, water outlet connector 4
Bonding or threaded connection etc. be can also be with the annexation between Water tank for electrical water heater inner bag.Conduit assembly runs through water outlet connector
4 and it is embedded in water outlet connector 4, one end of water outlet connector 4 is embedded in adapter component 1, and connects with 1 screw thread of adapter component
Connect.
More preferably, the first seal washer 6 is arranged between water outlet connector 4 and water pipe head 3.By arranging the first sealing gasket
Circle 6 can prevent the leak between conduit assembly and water outlet connector, realize fit sealing.Preferably, the first seal washer 6 is interior
External diameter of the footpath more than or equal to the first end of water pipe head 3, and the external diameter of the first seal washer 6 is less than the internal diameter of water outlet connector 4,
The first seal washer is sleeved in water pipe head 3, and be tightly fastened with water outlet connector 4, it is ensured that sealing.
Adapter component 1 includes the first joint, connecting portion and the second joint being interconnected, and the first joint is embedded in connection
The first end in portion, the second joint are embedded in the second end of connecting portion, and the first joint, connecting portion and the second joint are molded into one
Body.Wherein, the material of the first joint and the second joint is metal material, and the material of connecting portion is using PPR (polypropylene
Random, 3 third polyethylene) or other insulant make.
First joint is connected with water outlet connector 4, and in embedded first joint in one end of water outlet connector 4, the second joint is used for
Connection peripheral hardware outer tube.Wherein, the first joint can be threaded connection, bonding, welding or transition with the connected mode of water outlet connector 4
Coordinate etc., in the present embodiment, the first joint is preferably welded with the connected mode of water outlet connector 4.
More preferably, the second seal washer 2 is arranged between adapter component 1 and plastic tube 5, for realize plastic tube 5 with
Being tightly connected between adapter component 1.In the present embodiment, the second seal washer 2 be arranged on the first joint and plastic tube 5 it
Between.
Used as a kind of embodiment, the length of plastic tube should be met with the cross-sectional area of plastic tube：L≥16.9S；Its
In, length of the L for plastic tube, total cross-sectional flow areas of the S for plastic tube.According to concrete test and with reference to GB13955-92 (leakages
Non-electricity protector installation and operation) regulation, by electric heater Leakage Current position 10mA, you can ensure user safety.When
The direct short circuit of 220V power supplys for leaking electricity or using when heated water in inner water tank, the dielectric resistance R=220V/ of water there is
10mA=22 × 103Ω。
National regulations tap water resistivity at 15 DEG C should be greater than 1300 Ω .cm, therefore, when the length of plastic tube is L,
Total cross-sectional flow area of plastic tube is S, and the dielectric resistance of water is R, and resistivity of water is ρ, then L=RS/ ρ=22 × 103÷
1300≈16.9S.So, when the length of plastic tube meets L >=16.9S with the cross-sectional area of plastic tube, it is possible to ensure water
Dielectric resistance as anti-electric isolution.
More preferably, plastic tube 5 is antipriming pipe.In the axial direction of plastic tube 5, multiple through holes 51 are set in plastic tube 5, it is multiple
Through hole 51 is used as water stream channel.In the present embodiment, the shape of through hole 51 can be hole or square opening, or it is tri-angle-holed.
Certainly, in the case where disclosure satisfy that and for voltage being reduced to human safety voltage, the structure of through hole 51 can also be other structures.
The invention further relates to a kind of electric heater, including the anti-electric wall construction of any of the above-described embodiment.
The anti-electric wall construction and electric heater of the present invention, by arranging plastic tube in water pipe head, and by plastic tube
It is fixedly connected in the embedded water pipe head of first end and with water pipe head, the second end and the adapter component of plastic tube are tightly connected,
So that the water in inner water tank cannot overflow from outside plastic tube and can only Jing plastic tubes flow out, make water from high pressure be reduced to human body peace
Full voltage, reaches the purpose for preventing leaking electricity, safe and reliable.And, the anti-electric wall construction of the present invention is relatively simple, reduces production
Cost.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of anti-electric wall construction, for preventing the electric leakage of electric heater, it is characterised in that include：
Conduit assembly, the conduit assembly include water pipe（7）And water pipe head（3）, the water pipe head（3）First end and institute
State water pipe（7）Connection, the water pipe（7）As the water inlet pipe or outlet pipe of the inner water tank of the electric heater；
Plastic tube（5）, the plastic tube（5）First end be embedded in the water pipe head（3）In second end, with the water pipe head
（3）The second end be fixedly connected；And
Adapter component（1）, the adapter component（1）With the plastic tube（5）The second end be tightly connected, the adaptor
Component（1）By the plastic tube（5）Connect with the conduit assembly.
2. anti-electric wall construction according to claim 1, it is characterised in that also including the water being arranged on the inner water tank
Mouth joint（4）；
The conduit assembly runs through the water outlet connector（4）And it is embedded in the water outlet connector（4）It is interior, the water outlet connector（4）
One end be embedded in the adapter component（1）It is interior, the water outlet connector（4）With the adapter component（1）Threaded connection.
3. anti-electric wall construction according to claim 2, it is characterised in that also including the first seal washer（6）, described first
Seal washer（6）It is placed in the water outlet connector（4）With the water pipe head（3）Between.
4. anti-electric wall construction according to claim 2, it is characterised in that the adapter component（1）Including being interconnected
The first joint, connecting portion and the second joint；
First joint is embedded in the first end of the connecting portion, and second joint is embedded in the second of the connecting portion
End, the injection of first joint, the connecting portion and second joint are integral；First joint and second joint
Made by metal material, the connecting portion is made up of insulant；
The water outlet connector（4）One end be embedded in first joint, second joint be used for connect peripheral hardware water pipe.
5. anti-electric wall construction according to claim 1, it is characterised in that the water pipe（7）With the water pipe head（3）'s
Connected mode is threaded connection, bonding or welding；The water pipe head（3）With the plastic tube（5）Connected mode be bonding,
Threaded connection is welded.
6. the anti-electric wall construction according to any one of claim 1-5, it is characterised in that the plastic tube（5）Length with
The plastic tube（5）Cross-sectional area should meet：L≥16.9S；
Wherein, length of the L for plastic tube, total cross-sectional flow areas of the S for plastic tube.
7. anti-electric wall construction according to claim 6, it is characterised in that the plastic tube（5）For antipriming pipe；
In the plastic tube（5）Axial direction on, the plastic tube（5）It is interior that multiple through holes are set（51）, multiple through holes（51）
As water stream channel.
8. anti-electric wall construction according to claim 7, it is characterised in that the through hole（51）For circular port, square opening or
It is tri-angle-holed.
9. anti-electric wall construction according to claim 6, it is characterised in that also including the second seal washer（2）, described second
Seal washer（2）It is arranged on the adapter component（1）With the plastic tube（5）Between.
10. a kind of electric heater, it is characterised in that including the anti-electric wall construction described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852318.2A CN104534683B (en) | 2014-12-26 | 2014-12-26 | Electricity-proof wall structure and electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852318.2A CN104534683B (en) | 2014-12-26 | 2014-12-26 | Electricity-proof wall structure and electric water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534683A CN104534683A (en) | 2015-04-22 |
| CN104534683B true CN104534683B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410852318.2A Active CN104534683B (en) | 2014-12-26 | 2014-12-26 | Electricity-proof wall structure and electric water heater |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402528A (en) * | 2016-05-23 | 2017-02-15 | 珠海格力电器股份有限公司 | Water pipe connector, water tank and water heater |
| CN106288418A (en) * | 2016-10-17 | 2017-01-04 | 广东海信家电有限公司 | A kind of electricity-isolation wall |
| CN109185591A (en) * | 2018-11-09 | 2019-01-11 | 珠海格力电器股份有限公司 | Pipe joint structure and water storage device with same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913945Y (en) * | 2006-04-20 | 2007-06-20 | 贾建清 | Electroshock preventing device for electric water heater |
| ITAN20070041A1 (en) * | 2007-08-01 | 2009-02-02 | Merloni Termosanitari Spa | THERMOSTATIC MIXER |
| CN102455058A (en) * | 2010-10-28 | 2012-05-16 | 樱花卫厨（中国）股份有限公司 | Novel water inlet and outlet structure of water heater |
| CN202562052U (en) * | 2012-01-09 | 2012-11-28 | 重庆海尔热水器有限公司 | Water heater prevents electric wall assembly structure |
| CN203464504U (en) * | 2013-05-25 | 2014-03-05 | 蒋国平 | Water resistance anti-electric-shock device for electric water heater |
| CN203501476U (en) * | 2013-09-26 | 2014-03-26 | 九阳股份有限公司 | Electric water heater with electricity guard wall |
| CN204478514U (en) * | 2014-12-26 | 2015-07-15 | 珠海格力电器股份有限公司 | Electricity-proof wall structure and electric water heater |
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2014
- 2014-12-26 CN CN201410852318.2A patent/CN104534683B/en active Active
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| CN104534683A (en) | 2015-04-22 |
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