CN207936474U - Anti-creeping electric water heater - Google Patents
Anti-creeping electric water heater Download PDFInfo
- Publication number
- CN207936474U CN207936474U CN201820223196.4U CN201820223196U CN207936474U CN 207936474 U CN207936474 U CN 207936474U CN 201820223196 U CN201820223196 U CN 201820223196U CN 207936474 U CN207936474 U CN 207936474U
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- water
- liner
- water inlet
- conductive earthing
- shoulder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 161
- 238000005485 electric heating Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model discloses an anticreep electric water heater, including the inner bag, electric heating pipe is equipped with on the inner bag, inlet tube and outlet pipe, wear to establish on the inner bag and link firmly an insulating water subassembly, the part that insulating water subassembly is in the inner bag is equipped with the rivers passageway, two ports of rivers passageway all are in the inner bag, a electrically conductive grounding post links firmly insulating water subassembly, the one end of electrically conductive grounding post is in the rivers passageway, the other end is arranged in the electric outside earth connection of connection, the one end that electrically conductive grounding post is in among the rivers passageway all keeps there being sufficient anticreep distance with two ports of rivers passageway. Preferably, the water flow channel comprises a water inlet channel and a water outlet channel which are communicated with each other, the water inlet port of the water inlet channel and the water outlet port of the water outlet channel form two ports of the water flow channel, and one end of the conductive grounding column is positioned at the joint of the water inlet channel and the water outlet channel; the utility model discloses effectively prevent that water heater self electric leakage from leading to earth connection electrified current great to cause the injury to other electrical apparatus users.
Description
Technical field
The utility model is related to electric heater manufacturing technology field, especially a kind of anticreep electric heater.
Background technology
Now, electric heater is by people's extensive use, but electric heater needs to heat water by electric heating tube,
Will there are problems that generating injury to people because of electric leakage.Therefore some anticreep electric heaters are developed successively in the market.In early days
Way is setting leakage switch, and when leakage current is more than certain value, leakage switch is cut off the power, to protect user, but it is this
Anticreep mode is higher to leakage switch dependence, can not shield once leakage switch fails.On July 30th, 2003
One Patent No. ZL01135300.7, entitled " electric heater of protection against electric shock " are disclosed comprising shell, liner, Inlet and outlet water
Pipe, water outlet bushing pipe and water inlet bushing pipe, it is characterised in that:The water inlet bushing pipe is insulation tube, and tube body is built-in to be set to liner
In chamber.The present invention is that the bushing pipe that will intake is built in internal bladder cavity, and using inverted U-shaped, M shapes or the knot of intake straight tube and casing shroud dress
Configuration formula increases the meander length of flow route, and the length L into water bushing pipe water inlet to water outlet is made to reach L>53r2Safety
The requirement of length.This electric heater forms a kind of structure of anti-electricity wall for user, solves water heater itself and leaks electricity
Or protection of other electrical leakages to water heater user.But the ground wire of this water heater is usually electrically connected liner, once
There are electric leakage, leakage current directly to be exported from ground wire in water, the leakage current of ground wire is larger, once earth protective device loses
It imitates, the leakage current in ground wire can be conducted to other electric appliances, will result in the problem of other electric appliances user injures.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of anticreep electric heaters, can effectively prevent hot water
Device itself electric leakage causes earth strap electricity electric current is larger to be damaged to other electric appliance users；Further improving water heater makes
Safety.
In order to achieve the above objectives, the technical solution of the utility model is：A kind of anticreep electric heater, including liner,
Electric heating tube, water inlet pipe and outlet pipe are housed on liner, connected insulation water assembly is worn on liner, insulation water assembly is in
Part in liner is equipped with water stream channel, and two ports of water stream channel are in liner, and a conductive earthing column is connected exhausted
Edge water assembly, one end of conductive earthing column is in water stream channel, the other end is for being electrically connected external ground line, conductive earthing column
Two ports of one end and water stream channel in water stream channel maintain enough anticreep distances.
Be further improved, the water stream channel includes interconnected intake tunnel and exhalant canal, intake tunnel into
The water outlet port of water end (W.E.) mouth and exhalant canal forms two ports of water stream channel, and one end of the conductive earthing column is in water inlet
The junction in channel and exhalant canal.Ensure that one end of conductive earthing column can touch the water in liner.
It is preferred that angle >=90 ° of the intake tunnel and exhalant canal.In order to be discharged into the gas in water stream channel
Body so that one end of conductive earthing column is more reliable to be immersed in the water.
Further, the cross section of the intake tunnel and exhalant canal is circle, and the radius of intake tunnel cross section is R1,
The radius of exhalant canal cross section is R2, the conductive earthing column is in the water inlet end of one end and intake tunnel in water stream channel
Distance >=53 × R of mouth1 2, the conductive earthing column is in one end in water stream channel at a distance from the water outlet port of exhalant canal
≥53×R2 2.The leakage current derived from conductive earthing column can be made to meet safety standard in this way.
It is further improved, the insulation water assembly is in the part in liner and is equipped with a shoulder, the shoulder for the water assembly that insulate
It is leaned against on liner by gasket, insulation water assembly one end is pierced by outside liner and the locking nut that is screwed on, and conductive earthing column is inserted into
Insulation water assembly is simultaneously pushed down by locking nut.It is convenient for the installation of insulation water assembly and conductive earthing column in this way so that structure is more
It is compact, also it can preferably prevent conductive earthing column to be in direct contact with liner.
Further, the insulation water assembly is pierced by the outer one end of liner and is equipped with a stepped hole, and stepped hole is connected to the flow
Channel, conductive earthing post part are inserted into the stepped hole, and stepped hole internal partial wall is matched with the outer wall of conductive earthing column
Formation prevents the structure that conductive earthing column rotates, and is also equipped between the outer wall of conductive earthing column and the inner wall of stepped hole close
Seal, conductive earthing column one end pass through locking nut.
It is further improved, the water inlet pipe penetrates its water outlet of liner close to the lower part of liner, and water inlet pipe is in liner
Part be insulator；The outlet pipe penetrates liner, and water outlet pipe part for insulator and forms bending in the part in liner,
The water inlet of outlet pipe is arranged close to liner top.Water outlet pipe part for insulator and forms bending in the part in liner, can
It is discharged distance to extend, increases the dielectric resistance of water outlet, can preferably prevent water heater itself electric leakage or other electrical leakages pair
Water heater user damages.
Further, the middle part of the water inlet pipe is equipped with shoulder, and the shoulder in the middle part of water inlet pipe leans against on liner and passes through spiral shell
Female or screw forms connected, and sealing ring is additionally provided between the shoulder and liner in the middle part of water inlet pipe；
The middle part of the outlet pipe is equipped with shoulder, and the shoulder in the middle part of outlet pipe leans against on liner and by nut or screw shaped
At being connected, sealing ring is additionally provided between the shoulder and liner in the middle part of outlet pipe.
It is preferred that the liner includes barrel, end cap, the open end of barrel is outward extended with flange, the middle part of flange to
It is bent to form a bending part close to barrel side, a ring bodies part or has fully embedded into the flange, bending part and barrel
The space surrounded between outer wall, end cap cover the opening in barrel, and end cap, flange and ring bodies are correspondingly provided with multipair through-hole,
Each pair of through-hole is worn there are one bolt is connected, and be screwed on a nut, multiple connection bolts and multiple nut handles on each connection bolt
End cap, flange and ring bodies are locked together；Inner wall equipped with gasket or end cap and barrel between end cap and the flange
Between be equipped with sealing ring.Using the liner of this structure, manufacture, I＆ M better performances, because of ring bodies, flange and bending
The collective effect in portion, it is therefore prevented that the deformation of barrel open end and there is leak, the bearing capacity of entire liner is also relatively strong.
Further preferably, the barrel is made of stainless steel or aluminium alloy, and the end cap is plastic cement or stainless steel or aluminium
Alloy is made, and the ring bodies is made of aluminium alloy or plastic cement.
The utility model is since two ports of water stream channel in insulation water resistance part are in liner, and the water in liner is just
It can be introduced into water stream channel, and two ports of one end and water stream channel that conductive earthing column is in water stream channel maintain
Enough anticreep distances, conductive earthing column are not formed with liner and are in electrical contact, conductive in this way by the effect of dielectric resistance in water
Leakage current derived from earthing rod is smaller, so that it may to effectively prevent water heater itself electric leakage to cause earth strap electricity electric current larger right
Other electric appliance users damage.Insulation admitting pipe and outlet pipe is also further arranged in the utility model, also in water
The effect of dielectric resistance preferably prevents water heater itself electric leakage or other electrical leakages from being damaged to water heater user, into
One step improves the safety that water heater uses.
Description of the drawings
Fig. 1 is the utility model stereogram；
Fig. 2 is the utility model vertical view；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is enlarged drawing at the C of Fig. 3；
Fig. 5 is the B-B sectional views of Fig. 2；
Fig. 6 is enlarged drawing at the D of Fig. 5；
Fig. 7 is the structure sectional view of insulation water resistance part；
Fig. 8 is locking nut stereogram.
Specific implementation mode
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Fig. 8, a kind of anticreep electric heater, including liner 1, equipped with electric heating tube 2, water inlet on liner 1
Pipe 3 and outlet pipe 4, the preferably described liner 1 include barrel 11, end cap 12, and the open end of barrel 11 is outward extended with flange
111, the middle part of flange 111 is bent to form a bending part 112 to close to 11 side of barrel, and a ring bodies 13 is partially submerged into described
The space surrounded between 11 outer wall of flange 111, bending part 112 and barrel, end cap 12 cover the opening in barrel 11, end cap
12, flange 111 and ring bodies 13 are correspondingly provided with multipair through-hole, and each pair of through-hole is worn there are one bolt 14 is connected, and bolt is each connected
Be screwed on a nut 15 on 14, and multiple connection bolts 14 and multiple nuts 15 are locked at end cap 12, flange 111 and ring bodies 13
Together；Gasket 16 is housed between end cap 12 and the flange 111.It is preferred that the barrel 11 is stainless steel or aluminium alloy system
At the end cap 12 is made of plastic cement, and the ring bodies 13 is made of plastic cement.
Connected insulation water assembly 5 is worn on the end cap 12 of liner 1, the part that insulation water assembly 5 is in liner 1 is set
There are water stream channel 50, the water stream channel 50 to include interconnected intake tunnel 51 and exhalant canal 52, intake tunnel 51
The water outlet port 521 of port 511 and exhalant canal 52 of intaking forms two ports of water stream channel 50, water inlet port 511 and goes out
Water end (W.E.) mouth 521 is in liner 1, and insulation water assembly 5 is made of plastic cement, the folder of the intake tunnel 51 and exhalant canal 52
Angle is 90 °, which is also greater than 90 °, convenient for being discharged into the gas of water stream channel 50 so that 5 interior energy of water stream channel is full of
Water；
The insulation water assembly 5 is in the part in liner 1 and is equipped with a shoulder 53, and the shoulder 53 of insulation water assembly 5 passes through
Gasket 54 leans against on the end cap 12 of liner 1, and 5 one end of insulation water assembly is pierced by outside the end cap 12 of liner 1 and the locking screw that is screwed on
Mother 55, locking nut 55 are also insulating part, and 12 outer one end of end cap that insulation water assembly 5 is pierced by liner 1 is equipped with a stepped hole 56, rank
Terraced hole 56 is connected to the water stream channel 50, and stepped hole 56 described in 6 partial insertion of conductive earthing column is simultaneously pressed by locking nut 54
Firmly, 56 internal partial wall of stepped hole, which matches to be formed with the outer wall of conductive earthing column 6, prevents conductive earthing column 6 from rotating
Structure, which is that the cross section of 56 internal partial wall of stepped hole is polygon, the cross section of 6 portions of lateral side of conductive earthing column
For polygon, polygon is matched with polygon prevents conductive earthing column 6 from rotating；The outer wall of conductive earthing column 6 and stepped hole 56
Inner wall between be also equipped with sealing ring 60, conductive earthing column 6 does not form electrical contact with liner 1；
One end 61 of conductive earthing column 6 is in the junction of intake tunnel 51 and exhalant canal 52, conductive earthing column 6 it is another
One end 62 is equipped with stepped hole 551,6 other end 62 of conductive earthing column for being electrically connected external ground line, the centre of locking nut 55
Across locking nut 55 stepped hole 551 and be equipped with external screw thread；
Conductive earthing column 6 is in two ports i.e. water inlet port of the one end 61 in water stream channel 50 with water stream channel 50
511 and water outlet port 521 maintain enough anticreep distances.
The cross section of the intake tunnel 51 and exhalant canal 52 is circle, and the radius of 51 cross section of intake tunnel is R1,
The radius of 52 cross section of exhalant canal is R2, the conductive earthing column 6 is in one end 61 and intake tunnel in water stream channel 50
Distance >=53 × R of 51 water inlet port 5111 2, it is logical with water outlet that the conductive earthing column 6 is in one end 61 in water stream channel 50
Distance >=53 × R of the water outlet port 521 in road 522 2。
The water inlet pipe 3 penetrates its water outlet of liner 1 close to the lower part of the barrel 11 of liner 1, and water inlet pipe 3 is in liner
Part in 1 is insulator, and water inlet pipe 3 is made of plastic cement, and 3 upper end of water inlet pipe connects facing 31 embedded with metal；In water inlet pipe 3
Portion is equipped with shoulder 32, and the shoulder 32 at 3 middle part of water inlet pipe, which leans against on the end cap 12 of liner 1 and locks shoulder 32 by screw, to be formed admittedly
Even, it is additionally provided with sealing ring 33 between the shoulder 32 and the end cap 12 of liner 1 at 3 middle part of water inlet pipe.
The outlet pipe 4 penetrates liner 1, and outlet pipe 4 is in the part in liner 1 and is insulator and forms bending, goes out
The water inlet of water pipe 4 is arranged close to the end cap 12 of liner 1, i.e., the water inlet of outlet pipe 4 is arranged close to 1 top of liner；Outlet pipe 4
It is made of plastic cement, 4 upper end of outlet pipe connects facing 41 embedded with metal；The middle part of outlet pipe 4 is equipped with shoulder 42,4 middle part of outlet pipe
Shoulder 42 lean against on the end cap 12 of liner 1 and shoulder 42 is locked by screw formed and be connected, the shoulder 42 at 4 middle part of outlet pipe with
It is additionally provided with sealing ring 43 between the end cap 12 of liner 1.
The present embodiment is in two ports of one end 61 in water stream channel 50 and water stream channel 50 due to conductive earthing column 6
I.e. water inlet port 511 and water outlet port 521 maintain enough anticreep distances, in this way when the electric heating tube 2 in liner 1 goes out
It now leaks electricity, leakage current is then introduced into conductive earthing column 6 by the conduction of water in liner, because there is depositing for the dielectric resistance of enough water
The leakage current of conductive earthing column 6 is also smaller, will not thus link together because of ground wire and the ground wires of other electric appliances
And lead to the injury of other electric appliance users.On the other hand, since water inlet pipe 3 and outlet pipe 4 are insulator, the use of water heater
Person equally can be because of the presence of the dielectric resistance of water, and the leakage current that receives also very little will not hurt the user of water heater,
Effectively increase the safety in utilization of water heater.
It the above is only one preferred embodiment of the utility model, those skilled in the art is made equivalent by claim
Change the protection domain for both falling within this case.
Claims (10)
1. a kind of anticreep electric heater, including liner, electric heating tube, water inlet pipe and outlet pipe, feature are housed on liner
It is：Connected insulation water assembly is worn on liner, insulation water assembly is in the part in liner and is equipped with water stream channel, flow
Two ports in channel are in liner, and the connected insulation water assembly of a conductive earthing column, one end of conductive earthing column is in
In water stream channel, the other end for being electrically connected external ground line, conductive earthing column be in one end in water stream channel and leads to flow
Two ports in road maintain enough anticreep distances.
2. a kind of anticreep electric heater according to claim 1, it is characterised in that：The water stream channel includes mutual
The intake tunnel and exhalant canal of connection, the water inlet port of intake tunnel and the water outlet port of exhalant canal form water stream channel
Two ports, one end of the conductive earthing column are in the junction of intake tunnel and exhalant canal.
3. a kind of anticreep electric heater according to claim 2, it is characterised in that：The intake tunnel and water outlet
Angle >=90 ° in channel.
4. a kind of anticreep electric heater according to claim 2, it is characterised in that：The intake tunnel and water outlet are logical
The cross section in road is circle, and the radius of intake tunnel cross section is R1, the radius of exhalant canal cross section is R2, the conduction connects
Ground column be in one end in water stream channel at a distance from the water inlet port of intake tunnel >=53 × R1 2, the conductive earthing column is in
One end in water stream channel at a distance from the water outlet port of exhalant canal >=53 × R2 2。
5. a kind of anticreep electric heater according to claim 1, it is characterised in that：The insulation water assembly is in interior
Part in courage is equipped with a shoulder, and the shoulder for the water assembly that insulate is leaned against by gasket on liner, and insulation water assembly one end is pierced by
Liner is outer and the locking nut that is screwed on, conductive earthing column are inserted into insulation water assembly and are pushed down by locking nut.
6. a kind of anticreep electric heater according to claim 5, it is characterised in that：In the insulation water assembly is pierced by
The outer one end of courage is equipped with a stepped hole, and stepped hole is connected to the water stream channel, and conductive earthing post part is inserted into the stepped hole, ladder
Bore portion inner wall matches the structure to be formed and prevent conductive earthing column from rotating with the outer wall of conductive earthing column, conductive
Sealing ring is also equipped between the outer wall of earthing rod and the inner wall of stepped hole, conductive earthing column one end passes through locking nut.
7. a kind of anticreep electric heater according to claim 1, it is characterised in that：The water inlet pipe penetrate liner its
For water outlet close to the lower part of liner, it is insulator that water inlet pipe, which is in the part in liner,；
The outlet pipe penetrates liner, and water outlet pipe part is insulator in the part in liner and forms bending, outlet pipe into
The mouth of a river is arranged close to liner top.
8. a kind of anticreep electric heater according to claim 7, it is characterised in that：The middle part of the water inlet pipe is equipped with
Shoulder, the shoulder in the middle part of water inlet pipe lean against on liner and formed by nut or screw it is connected, shoulder in the middle part of water inlet pipe with it is interior
Sealing ring is additionally provided between courage；
The middle part of the outlet pipe is equipped with shoulder, and the shoulder in the middle part of outlet pipe is leaned against on liner and formed by nut or screw solid
Even, it is additionally provided with sealing ring between the shoulder and liner in the middle part of outlet pipe.
9. according to a kind of anticreep electric heater of claim 1 to 8 any one of them, it is characterised in that：The inner bag
Barrel, end cap are included, the open end of barrel is outward extended with flange, and the middle part of flange is bent to form to close to barrel side
One bending part, a ring bodies part or has fully embedded into the space surrounded between the flange, bending part and barrel outer wall, end cap
Cover the opening in barrel, end cap, flange and ring bodies are correspondingly provided with multipair through-hole, and each pair of through-hole wears that there are one connect spiral shell
Bolt, each to connect the nut that is screwed on bolt, multiple connection bolts and multiple nuts are locked at end cap, flange and ring bodies
Together；It is equipped between gasket or end cap and the inner wall of barrel between end cap and the flange and sealing ring is housed.
10. a kind of anticreep electric heater according to claim 9, it is characterised in that：The barrel is stainless steel
Or aluminium alloy is made, the end cap is made of plastic cement or stainless steel or aluminium alloy, and the ring bodies is made of aluminium alloy or plastic cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223196.4U CN207936474U (en) | 2018-02-08 | 2018-02-08 | Anti-creeping electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223196.4U CN207936474U (en) | 2018-02-08 | 2018-02-08 | Anti-creeping electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936474U true CN207936474U (en) | 2018-10-02 |
Family
ID=63652006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820223196.4U Active CN207936474U (en) | 2018-02-08 | 2018-02-08 | Anti-creeping electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344171A (en) * | 2018-02-08 | 2018-07-31 | 厦门阿玛苏电子卫浴有限公司 | Anti-creeping electric water heater |
-
2018
- 2018-02-08 CN CN201820223196.4U patent/CN207936474U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344171A (en) * | 2018-02-08 | 2018-07-31 | 厦门阿玛苏电子卫浴有限公司 | Anti-creeping electric water heater |
| CN108344171B (en) * | 2018-02-08 | 2024-03-19 | 厦门阿玛苏电子卫浴有限公司 | Electric water heater with anti-leakage function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190402 Address after: 266111 Kehai Road 299, Qingdao National High-tech Industrial Development Zone, Shandong Province Patentee after: Phase change energy technology (Qingdao) Co., Ltd. Address before: 361000 Xiamen Free Trade Pilot Area, Xiamen (Bonded Port Area) No. 11 Haijingdong Second Road, Fujian Province Patentee before: XIAMEN ASUMA ELECTRONIC SANITARY WARE CO., LTD. |
|
| TR01 | Transfer of patent right |