CN101988746A - Leakage protection structure for water inlet system of water heater - Google Patents
Leakage protection structure for water inlet system of water heater Download PDFInfo
- Publication number
- CN101988746A CN101988746A CN2010105782261A CN201010578226A CN101988746A CN 101988746 A CN101988746 A CN 101988746A CN 2010105782261 A CN2010105782261 A CN 2010105782261A CN 201010578226 A CN201010578226 A CN 201010578226A CN 101988746 A CN101988746 A CN 101988746A
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- China
- Prior art keywords
- water inlet
- upper shell
- water
- lower house
- earth leakage
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The invention discloses a leakage protection structure for a water inlet system of a water heater, comprising a water inlet pipe; the tail end of the water inlet pipe is connected with a water inlet connector, and the water inlet connector is internally provided with a flow passage that is connected with a water inlet end and a water outlet end; the water inlet connector is provided with a grounding terminal, and the inner end of the grounding terminal extends into the flow passage while the outer end is connected with the grounding wire; the water inlet pipe is also provided with a leakage protector; the leakage protector comprises a body; the body comprises an upper housing and a lower housing; the outer side end of the upper housing is provided with a water inlet, and the outer side end of the lower housing is provided with a water outlet; the inner side end faces of the upper and the lower housings are respectively provided with spiral flow passages; the spiral flow passage in the upper housing is connected with the water inlet hole; and the spiral flow passage in the lower housing is connected with the water outlet hole. In the invention, a grounding terminal connected with the grounding wire is installed on the water inlet connector, and simultaneously the water pipe is further provided with a leakage protector for realizing double protection.
Description
Technical field
The present invention relates to water heater water inlet system earth leakage protective structure.
Background technology
Water heater in use leaks electricity easily, and existing method is to establish ground connection bringing in prevent to leak electricity injury to human body, but this anticreep method be reliability should security all inadequately, can't guarantee user's safety.
Summary of the invention
It still is the good water heater water inlet system earth leakage protective structure of security that technical problem to be solved by this invention just provides a kind of reliability, guarantees user's safety.
For solving the problems of the technologies described above; the present invention adopts following technical scheme: water heater water inlet system earth leakage protective structure; comprise water inlet pipe; the terminal connection of water inlet pipe water supply connector; be provided with runner in the described water supply connector and connect water inlet end and water side; it is characterized in that: described water supply connector is provided with ground terminal; ground terminal the inner is stretched in the runner; the outer end connects earth connection; also be provided with earth leakage protective device on the described water inlet pipe; earth leakage protective device comprises body; described body comprises upper shell and lower house; the upper shell outboard end is provided with water inlet, and the lower house outboard end is provided with delivery port, and upper shell and lower house inner side end are respectively equipped with spiral flow channel; upper shell spiral runner is communicated with water inlet; lower house spiral runner is communicated with delivery port, is provided with the dividing plate of sealing spiral flow channel between upper shell and lower house, and dividing plate is provided with the groove that is communicated with upper shell spiral runner outer ring end and lower house spiral runner outer ring end.
As preferably, spiral flow channel on the described upper shell protrudes the upper shell inner side end, recessed lower house medial extremity of spiral flow channel on the described lower house and spiral flow channel end face and lower house medial extremity ring wall surround groove, and the spiral flow channel that protrudes on the upper shell is connected in the described groove.Cooperate closely.
As preferably, the sidepiece of described spiral flow channel, groove and dividing plate is provided with the straight flange of being convenient to install cooperation.Can aim at straight flange during installation, dividing plate is put into groove, then upper shell be sticked in the lower house groove, simple installation not only, and guaranteed accuracy.
As preferably, described upper shell and lower house sidepiece are provided with petal flank, and petal flank is provided with screw hole so that fastening upper shell of screw and lower house.
As preferably, described spiral flow channel inner ring is provided with water fender at adjacent water inlet and delivery port position.The guiding water inlet enters the current of spiral flow channel and the current that spiral flow channel flows to delivery port.
As preferably, be provided with permanent magnet in the described runner with the seal parcel, described water supply connector outer wall is provided with the Magnetic Sensor of perception permanent magnet, and described Magnetic Sensor is electrically connected with the heater switch.
As preferably, described water supply connector is provided with the pressure release valve opening that is communicated with runner.
As preferably, described Magnetic Sensor is located on the sensor stand, and described water supply connector is provided with the flank of expansion, described sensor stand by bolting on described flank.Be convenient to install.
As preferably, the screw plug that has been threaded on the described water inlet end, described screw plug center is provided with the orthohexagonal hole for the inner hexagon spanner effect.Unloading screw plug is replaceable permanent magnet, has overcome existing structure and has pulled down the drawback that whole joint could be changed permanent magnet from the water side from water heater.
The present invention is provided with ground terminal and connects in the earth connection in water supply connector; also be provided with earth leakage protective device on the water pipe; played the effect of duplicate protection; be provided with spiral flow channel between the water inlet of earth leakage protective device and delivery port; spiral flow channel has prolonged the length of current; and the also corresponding increase of resistance; electric leakage decays in conductive process; can user's safety not impacted again; and dividing plate separates two-layer spiral flow channel; prolonged current length especially greatly, reliability and security improve greatly, have demonstrate,proved user's safety.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is further described:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the water supply connector structural representation;
Fig. 3 is the sensor stand schematic diagram;
Fig. 4 is the screw plug schematic diagram;
Fig. 5 is a upper shell inner side end schematic diagram;
Fig. 6 is a lower house inner side end schematic diagram;
Fig. 7 is the adjacent lower end schematic diagram of dividing plate.
The specific embodiment
Extremely shown in Figure 7 as Fig. 1; embodiment for water heater water inlet system earth leakage protective structure of the present invention; comprise water inlet pipe 1; the terminal connection of water inlet pipe water supply connector 2; be provided with runner 13A in the described water supply connector and connect water inlet end 11A and water side 12A; described water supply connector is provided with ground terminal 4A; ground terminal the inner is stretched in the runner; the outer end connects earth connection; be provided with permanent magnet 2A in the described runner 13A with seal 21A parcel; described water supply connector outer wall is provided with the Magnetic Sensor 3A of perception permanent magnet, and described Magnetic Sensor is electrically connected with the heater switch.Described water supply connector 1A is provided with the pressure release valve opening 5A that is communicated with runner.Described Magnetic Sensor 3A is located on the sensor stand 6A, and described water supply connector is provided with the flank 7A of expansion, described sensor stand by bolting on described flank.The screw plug 8A that has been threaded on the described water inlet end 11A, described screw plug center is provided with the orthohexagonal hole 9A for the inner hexagon spanner effect.When in the water heater water being arranged, under the effect of hydraulic pressure, the water in the water heater can promote permanent magnet and depart from the Magnetic Sensor position, and Magnetic Sensor does not act on, the water heater operate as normal.When in the water heater during lack of water, hydraulic pressure reduces in the water heater, and permanent magnet will be in the Magnetic Sensor position by return, closes thereby Magnetic Sensor will send the signal controlling heater switch.
Also be provided with earth leakage protective device 3 on the described water inlet pipe; earth leakage protective device comprises body; described body comprises upper shell 1B and lower house 2B; the upper shell outboard end is provided with water inlet 6B; the lower house outboard end is provided with delivery port 7B; upper shell and lower house inner side end are respectively equipped with spiral flow channel 4B; upper shell spiral runner is communicated with water inlet; lower house spiral runner is communicated with delivery port; be provided with the dividing plate 3B of sealing spiral flow channel 4B between upper shell and lower house, dividing plate is provided with the groove 31B that is communicated with upper shell spiral runner outer ring end and lower house spiral runner outer ring end.Spiral flow channel 4B on the described upper shell protrudes upper shell 1B inner side end, recessed lower house medial extremity of spiral flow channel 4B on the described lower house 2B and spiral flow channel 4B end face and lower house medial extremity ring wall surround groove 21B, and the spiral flow channel that protrudes on the upper shell is connected in the described groove 21B.
The sidepiece of described spiral flow channel 4B, groove 21B and dividing plate 3B is provided with the straight flange 9B of being convenient to install cooperation.Described upper shell 1B and lower house 2B sidepiece are provided with petal flank 8B, and petal flank is provided with screw hole so that fastening upper shell of screw and lower house.Described spiral flow channel 4B inner ring is provided with water fender 5B at adjacent water inlet and delivery port position.
Claims (9)
1. water heater water inlet system earth leakage protective structure; comprise water inlet pipe (1); the terminal connection of water inlet pipe water supply connector (2); be provided with runner (13A) in the described water supply connector and connect water inlet end (11A) and water side (12A); it is characterized in that: described water supply connector is provided with ground terminal (4A); ground terminal the inner is stretched in the runner; the outer end connects earth connection; also be provided with earth leakage protective device (3) on the described water inlet pipe; earth leakage protective device comprises body; described body comprises upper shell (1B) and lower house (2B); the upper shell outboard end is provided with water inlet (6B); the lower house outboard end is provided with delivery port (7B); upper shell and lower house inner side end are respectively equipped with spiral flow channel (4B), and upper shell spiral runner is communicated with water inlet, and lower house spiral runner is communicated with delivery port; be provided with the dividing plate (3B) of sealing spiral flow channel (4B) between upper shell and lower house, dividing plate is provided with the groove (31B) that is communicated with upper shell spiral runner outer ring end and lower house spiral runner outer ring end.
2. water heater water inlet system earth leakage protective structure according to claim 1; it is characterized in that: the spiral flow channel on the described upper shell (4B) protrudes upper shell (1B) inner side end; recessed lower house medial extremity of spiral flow channel (4B) on the described lower house (2B) and spiral flow channel (4B) end face and lower house medial extremity ring wall surround groove (21B), and the spiral flow channel that protrudes on the upper shell is connected in the described groove (21B).
3. water heater water inlet system earth leakage protective structure according to claim 2 is characterized in that: the sidepiece of described spiral flow channel (4B), groove (21B) and dividing plate (3B) is provided with the straight flange (9B) of being convenient to install cooperation.
4. water heater water inlet system earth leakage protective structure according to claim 3; it is characterized in that: described upper shell (1B) and lower house (2B) sidepiece are provided with petal flank (8B), and petal flank is provided with screw hole so that fastening upper shell of screw and lower house.
5. water heater water inlet system earth leakage protective structure according to claim 4 is characterized in that: described spiral flow channel (4B) inner ring is provided with water fender (5B) at adjacent water inlet and delivery port position.
6. water heater water inlet system earth leakage protective structure according to claim 1; it is characterized in that: be provided with permanent magnet (2A) in the described runner (13A) with seal (21A) parcel; described water supply connector outer wall is provided with the Magnetic Sensor (3A) of perception permanent magnet, and described Magnetic Sensor is electrically connected with the heater switch.
7. water heater water inlet system earth leakage protective structure according to claim 6 is characterized in that: described water supply connector (1A) is provided with the pressure release valve opening (5A) that is communicated with runner.
8. water heater water inlet system earth leakage protective structure according to claim 7; it is characterized in that: described Magnetic Sensor (3A) is located on the sensor stand (6A); described water supply connector is provided with the flank (7A) of expansion, described sensor stand by bolting on described flank.
9. water heater water inlet system earth leakage protective structure according to claim 8 is characterized in that: the screw plug (8A) that has been threaded on the described water inlet end (11A), described screw plug center are provided with the orthohexagonal hole (9A) for the inner hexagon spanner effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010578226 CN101988746B (en) | 2010-12-08 | 2010-12-08 | Leakage protection structure for water inlet system of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010578226 CN101988746B (en) | 2010-12-08 | 2010-12-08 | Leakage protection structure for water inlet system of water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101988746A true CN101988746A (en) | 2011-03-23 |
| CN101988746B CN101988746B (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010578226 Expired - Fee Related CN101988746B (en) | 2010-12-08 | 2010-12-08 | Leakage protection structure for water inlet system of water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN101988746B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066461A (en) * | 2015-09-09 | 2015-11-18 | 深圳市福田区青少年科技教育协会 | Water heater gas leakage protection system and device thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177199Y (en) * | 1992-07-14 | 1994-09-14 | 重庆峡江通用设备工业公司 | Ionization extinction protector for household gas burning quick-acting water heater |
| CN1443995A (en) * | 2003-04-22 | 2003-09-24 | 陈奇能 | Electric leakage display device for electric water heater |
| CN2591521Y (en) * | 2002-12-30 | 2003-12-10 | 武雄 | Adjustable temperature heater with protector mechanism |
| EP1640478A2 (en) * | 2004-09-27 | 2006-03-29 | Aos Holding Company | Water storage device having a powered anode |
| CN201973891U (en) * | 2010-12-08 | 2011-09-14 | 吴兢 | Water inflow system electric leakage protection structure for water heater |
-
2010
- 2010-12-08 CN CN 201010578226 patent/CN101988746B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177199Y (en) * | 1992-07-14 | 1994-09-14 | 重庆峡江通用设备工业公司 | Ionization extinction protector for household gas burning quick-acting water heater |
| CN2591521Y (en) * | 2002-12-30 | 2003-12-10 | 武雄 | Adjustable temperature heater with protector mechanism |
| CN1443995A (en) * | 2003-04-22 | 2003-09-24 | 陈奇能 | Electric leakage display device for electric water heater |
| EP1640478A2 (en) * | 2004-09-27 | 2006-03-29 | Aos Holding Company | Water storage device having a powered anode |
| CN201973891U (en) * | 2010-12-08 | 2011-09-14 | 吴兢 | Water inflow system electric leakage protection structure for water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066461A (en) * | 2015-09-09 | 2015-11-18 | 深圳市福田区青少年科技教育协会 | Water heater gas leakage protection system and device thereof |
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| Publication number | Publication date |
|---|---|
| CN101988746B (en) | 2012-12-19 |
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Granted publication date: 20121219 Termination date: 20201208 |