CN202835806U - Electric water heater water inlet pipe flow stopping structure and liner with the same - Google Patents
Electric water heater water inlet pipe flow stopping structure and liner with the same Download PDFInfo
- Publication number
- CN202835806U CN202835806U CN2012205016375U CN201220501637U CN202835806U CN 202835806 U CN202835806 U CN 202835806U CN 2012205016375 U CN2012205016375 U CN 2012205016375U CN 201220501637 U CN201220501637 U CN 201220501637U CN 202835806 U CN202835806 U CN 202835806U
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- water inlet
- inlet pipe
- water
- electric
- filtering screen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses an electric water heater water inlet pipe flow stopping structure which comprises a water inlet pipe arranged at the bottom end of an electric water heater liner and a stopping cap which is arranged at the top of the water inlet pipe. The electric water heater water inlet pipe flow stopping structure is characterized in that a filter screen cover is arranged between the water inlet pipe and the stopping cap. The filter screen cover comprises a filter screen cover body and a brim-shaped filter screen which integrally extends to all around from the filter screen cover body. The appearance of the filter screen body is consistent with the shape of the stopping cap, and part of the filter screen cover body is sleeved inside the stopping cap. The electric water heater inlet pipe flow stopping structure has the advantages that a layer of the filter screen cover is added between the water inlet pipe and the stopping cap so that water flow is stopped by the stopping cap arranged on the top of the water inlet pipe when the water flow enters into the electric water heater liner from the water inlet pipe, the water flow can only enters into the liner again along the direction of the filter screen cover, and flow splitting and pressure releasing of entered water can be effectively achieved. The influence and impact on high-temperature water inside the liner by the water flow are avoided, so that the output rate of hot water is improved. The utility model further provides the liner with the water inlet pipe flow stopping structure.
Description
Technical field
The utility model relates to the electric heater field, relates in particular to a kind of water inlet pipe reducing-flow structure of electric heater and inner bag with this structure of being applicable to.
Background technology
In the electric heater field, because cold water proportion is larger than hot water, cold water is lower usually, and hot water is upper; During use, hot water is exported from the upper end.Thereby in the inner container of electric water heater design, water inlet pipe is installed in the inner bag bottom; During electric heater work, cold water enters inner bag from water inlet pipe.And the cold water that enters inner bag is because having higher flow velocity, and part cold water can directly impact in the hot water on inner bag upper strata, causes disturbance, makes upper strata hot water temperature's step-down, and then causes exportable hot water amount to tail off, and has reduced the hot water delivery rate of electric heater.
According to investigations, the hot water delivery rate of all storage-type electric water heaters generally between 55%～80%, is difficult to reach more than 85% in the market, even higher.This utilization rate that hot water also just is described can only be between 55%～80%, and comparatively speaking, 20% high-temperature-hot-water has reduced the utilization rate of hot water because the low-temperature cold water mixing that is entered in the courage is not output at least in addition.
For this reason, the manufacturers of electric heater adopt the mode that choke apparatus is set at water inlet pipe to reach the purpose that reduces the hot water disturbance.Modal water inlet pipe choked flow mode is plastics water inlet pipe+baffle plate/gear cap, or comes the current of water inlet pipe are stopped, shunt for structures such as T-shaped water inlet pipe, anti-electric walls, such as publication number is: as described in the Chinese patent of CN101608833, CN202119109U.But above method all can only be little at water inlet pipe hydraulic pressure, can reach the hot water delivery rate about 75% in the unhappy situation of flow rate of water flow.Also still there is the hot water more than 20% not to be utilized because being subject to cold water shock with regard to explanation.
In view of this, be and be necessary to develop a kind of shunting, slow down effective, the Novel water inlet pipe reducing-flow structure that hot water delivery rate is high.
Summary of the invention
For the problem that prior art exists, the purpose of this utility model is to develop a kind of effective shunting, step-down, deceleration, and is little on distribution of water temperature impact in the courage, efficiently utilizes the reducing-flow structure of the Novel water inlet pipe of hot water.
For reaching above purpose, the utility model adopts following technical scheme.
A kind of water inlet tube of electric water heater reducing-flow structure comprises: be arranged on the water inlet pipe and the gear cap that is arranged on the water inlet pipe tip position of inner container of electric water heater bottom, it is characterized in that, be provided with a filtering screen between described water inlet pipe and the gear cap.
As with improvement, described filtering screen comprises: the filtering screen body, and from the filtering screen body one to around the brim of a hat shape filter screen that extends.
As with improvement, the profile of described filtering screen body is consistent with the gear cap shaped, and the filtering screen body part is set in the gear cap.
As with improvement, the top of described filtering screen body is provided with a through hole, and described water inlet pipe passes through hole and is connected with the gear cap; The sidewall of this water inlet pipe is provided with at least one apopore.
As with improvement, the top of described water inlet pipe is provided with the claw of hollow, and the sidewall of described claw is provided with at least one apopore; Described gear cap is provided with the buckle with the claw coupling; Described claw passes through hole and the buckle clamping of filtering screen bodies top.
As with improvement, the aperture of described filtering screen bodies top through hole is slightly less than the claw external diameter, this filtering screen and claw interference fit and be stuck between water inlet pipe and the gear cap.
Further, the utility model also provides a kind of inner bag with above-mentioned water inlet tube of electric water heater reducing-flow structure, comprising: water inlet pipe, and outlet pipe is arranged on reducing-flow structure and the electric heater on water inlet pipe top; It is characterized in that, described electric heater stretches into from an end of inner bag, is downward bending-like forward; The front end bending part of electric heater is the level trend, and this front end bending part is concordant with water inlet pipe reducing-flow structure top.
As with improvement, described outlet pipe is extended to the inner bag upper end by the inner bag lower end, and the delivery port of this outlet pipe is positioned at the inner bag upper strata.
Compare with traditional water inlet tube of electric water heater reducing-flow structure, the water inlet tube of electric water heater reducing-flow structure that the utility model provides has following beneficial effect.
One, by between water inlet pipe and gear cap, increasing one deck filtering screen, so that current are stopped by the gear cap at water inlet pipe top when entering inner container of electric water heater from water inlet pipe, current can only enter inner bag again along the direction of filtering screen, effectively water inlet are shunted and step-down; Avoid current on impact and the impact of inner bag high-temperature water, thereby improve hot water delivery rate.
Two, by at water inlet pipe claw being set, at the gear cap buckle that matches with claw is set, during actual installation only need claw be clamped on the buckle get final product, implementation method is simple.
A kind of inner bag with water inlet tube of electric water heater reducing-flow structure that the utility model provides because electric heater is arranged to bending-like, makes its front end bending part concordant with the reducing-flow structure upper end, the hot water delivery rate of effective supply inner bag; By experiment simulation, its hot water delivery rate is up to more than 90%.
Description of drawings
Figure 1 shows that the electric heater with water inlet pipe reducing-flow structure that the utility model provides;
Figure 2 shows that A place enlarged drawing among Fig. 1;
Figure 3 shows that the water inlet tube of electric water heater reducing-flow structure decomposing schematic representation that the utility model provides;
Figure 4 shows that the inner container structure of electric water heater schematic diagram that the utility model provides.
Description of reference numerals:
1, inner container of electric water heater 2, water inlet pipe 3, gear cap 4, filtering screen 21, claw 22, apopore 31, buckle 41, filtering screen body 42, filter screen 5, electric heater 51, front end bending part.
The specific embodiment
For further setting forth essence of the present utility model, by reference to the accompanying drawings the specific embodiment of the present utility model is described as follows.
Reducing-flow structure embodiment
As shown in Figure 1 and Figure 2, the water inlet tube of electric water heater reducing-flow structure that the present embodiment provides, comprise: inner container of electric water heater 1, be arranged on the water inlet pipe 2 of inner container of electric water heater 1 bottom, and the gear cap 3 that is arranged on water inlet pipe 2 tip positions, wherein, be provided with a filtering screen 4 between described water inlet pipe 2 and the gear cap 3.
As shown in Figure 3, described filtering screen 4 comprises: filtering screen body 41, and from the filtering screen body 41 one to around the brim of a hat shape filter screen 42 that extends.Especially, the profile of described filtering screen body 41 is consistent with the shape of gear cap 3, and the water inlet pipe 2 that filtering screen body 41 is through its top is fixed in the gear cap 3 at least in part.In the present embodiment, the top of described water inlet pipe 2 is provided with hollow claw 21, and described gear cap 3 is provided with the buckle 31 that cooperates with claw 21; During concrete the connection, claw 21 passes and buckle 31 clampings from filtering screen body 41 top through holes.For controlling better current, the sidewall of described claw 21 is provided with at least one apopore 22, the aperture of described filtering screen body 41 top through holes is slightly less than the external diameter of claw 21 so that filtering screen body 41 and claw 21 interference fit and be stuck in water inlet pipe 2 and the gear cap 3 between.In other embodiments, the tube wall of described water inlet pipe is provided with at least one apopore, and water inlet pipe passes filtering screen bodies top through hole and directly is connected with the gear cap, is not limited to the present embodiment.
A kind of water inlet tube of electric water heater reducing-flow structure that the present embodiment provides when the cold water of low temperature, high pressure, high speed enters inner bag from water inlet pipe, is kept off cap to stop; Keep off simultaneously and accompany the filtering screen body that one deck aperture is little, hole density is large between cap and the water inlet pipe, current are kept off to be entered after cap stops by in the space that forms between filtering screen body and the gear cap wall, so that current are for the first time by step-down, deceleration, shunting; When current again from the spatial flow between filtering screen body and the gear cap wall when filter screen enters inner bag, current are by the step-down second time, deceleration, shunting.Through above twice step-down, deceleration, shunting, so that enter the current that the current of inner bag have become low pressure, low speed, dispersion, current have greatly been reduced on the impact of high-temperature-hot-water in the courage with on the impact of distribution of water temperature, thereby greatly improved the output rating of inner bag hot water, namely effectively improved the utilization rate of hot water.
Inner bag embodiment
As shown in Figure 4, a kind of inner bag with above-mentioned water inlet tube of electric water heater reducing-flow structure comprises: water inlet pipe 2, outlet pipe 3 is arranged on reducing-flow structure 4 and the electric heater 5 on water inlet pipe top.Wherein, described electric heater 5 stretches into from an end of inner bag, is downward bending-like forward; The front end bending part 51 of electric heater 5 is the level trend, and this front end bending part 51 is concordant with water inlet pipe reducing-flow structure 4 tops.
Especially, described outlet pipe 3 is extended to the inner bag upper end by the inner bag lower end, makes the delivery port of outlet pipe 3 be positioned at the inner bag upper strata.During real work, cold water enters and flow to inner bag bottom from water inlet pipe behind reducing-flow structure mixes with the lower floor low-temperature water heating, and the high-temperature-hot-water on inner bag upper strata is discharged from outlet pipe.Because electric heater and reducing-flow structure all are positioned at the inner bag bottom, and the front end bending part of electric heater is concordant with water inlet pipe reducing-flow structure top, so that in the whole water inlet exiting water process, can not cause disturbance to the high-temperature-hot-water on inner bag upper strata; Hot water delivery rate is high more than 90%.
The above specific embodiment has been described in detail essence of the present utility model, but can not come protection domain of the present utility model is limited with this.Apparently, under the enlightenment of the utility model essence, the art those of ordinary skill also can carry out many improvement and modification, it should be noted that these improvement and modification all drop within the protection domain of this patent.
Claims (8)
1. the water inlet tube of electric water heater reducing-flow structure comprises: be arranged on the water inlet pipe and the gear cap that is arranged on the water inlet pipe tip position of inner container of electric water heater bottom, it is characterized in that, be provided with a filtering screen between described water inlet pipe and the gear cap.
2. water inlet tube of electric water heater reducing-flow structure according to claim 1 is characterized in that, described filtering screen comprises: the filtering screen body, and from the filtering screen body one to around the brim of a hat shape filter screen that extends.
3. water inlet tube of electric water heater reducing-flow structure according to claim 1 is characterized in that, the profile of described filtering screen body is consistent with the gear cap shaped, and the filtering screen body part is set in the gear cap.
4. water inlet tube of electric water heater reducing-flow structure according to claim 1 and 2 is characterized in that, the top of described filtering screen body is provided with a through hole, and described water inlet pipe passes through hole and is connected with the gear cap; The sidewall of this water inlet pipe is provided with at least one apopore.
5. water inlet tube of electric water heater reducing-flow structure according to claim 1 and 2 is characterized in that, the top of described water inlet pipe is provided with the claw of hollow, and the sidewall of described claw is provided with at least one apopore; Described gear cap is provided with the buckle with the claw coupling; Described claw passes through hole and the buckle clamping of filtering screen bodies top.
6. water inlet tube of electric water heater reducing-flow structure according to claim 5 is characterized in that, the aperture of described filtering screen bodies top through hole is slightly less than the claw external diameter, this filtering screen and claw interference fit and be stuck in water inlet pipe and the gear cap between.
7. inner bag with the described water inlet tube of electric water heater reducing-flow structure of claim 1-6 comprises: water inlet pipe, and outlet pipe is arranged on reducing-flow structure and the electric heater on water inlet pipe top; It is characterized in that, described electric heater stretches into from an end of inner bag, is downward bending-like forward; The front end bending part of electric heater is the level trend, and this front end bending part is concordant with water inlet pipe reducing-flow structure top.
8. inner bag according to claim 7 is characterized in that, described outlet pipe is extended to the inner bag upper end by the inner bag lower end, and the delivery port of this outlet pipe is positioned at the inner bag upper strata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205016375U CN202835806U (en) | 2012-09-28 | 2012-09-28 | Electric water heater water inlet pipe flow stopping structure and liner with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205016375U CN202835806U (en) | 2012-09-28 | 2012-09-28 | Electric water heater water inlet pipe flow stopping structure and liner with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835806U true CN202835806U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205016375U Expired - Lifetime CN202835806U (en) | 2012-09-28 | 2012-09-28 | Electric water heater water inlet pipe flow stopping structure and liner with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202835806U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307740A (en) * | 2013-07-09 | 2013-09-18 | 广东威博电器有限公司 | Electric water heater with high hot water output rate |
| CN105180444A (en) * | 2015-10-13 | 2015-12-23 | 广东海信家电有限公司 | Electric water heater water inlet pipe assembly and electric water heater |
| WO2016011969A1 (en) * | 2014-07-25 | 2016-01-28 | 德州海霖知识产权服务有限公司 | Water tank with permeation filtering and reflecting type cold-hot water mixing prevention device |
| CN106855315A (en) * | 2017-02-06 | 2017-06-16 | 广东海信家电有限公司 | A kind of guiding device and water heater |
| CN109974304A (en) * | 2017-12-28 | 2019-07-05 | 青岛经济技术开发区海尔热水器有限公司 | Water retaining cover structure and water heater |
-
2012
- 2012-09-28 CN CN2012205016375U patent/CN202835806U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307740A (en) * | 2013-07-09 | 2013-09-18 | 广东威博电器有限公司 | Electric water heater with high hot water output rate |
| CN103307740B (en) * | 2013-07-09 | 2016-01-20 | 广东威博电器有限公司 | A kind of electric heater of high hot water delivery rate |
| WO2016011969A1 (en) * | 2014-07-25 | 2016-01-28 | 德州海霖知识产权服务有限公司 | Water tank with permeation filtering and reflecting type cold-hot water mixing prevention device |
| JP2017525930A (en) * | 2014-07-25 | 2017-09-07 | 徳州海霖知識産権資産管理有限公司 | Tank with osmotic filtration reflective cold / hot water mixing prevention device |
| EP3228949A4 (en) * | 2014-07-25 | 2018-05-02 | Dezhou Hailin Intellectual Property Asset Management Co., Ltd. | Water tank with permeation filtering and reflecting type cold-hot water mixing prevention device |
| CN105180444A (en) * | 2015-10-13 | 2015-12-23 | 广东海信家电有限公司 | Electric water heater water inlet pipe assembly and electric water heater |
| CN106855315A (en) * | 2017-02-06 | 2017-06-16 | 广东海信家电有限公司 | A kind of guiding device and water heater |
| CN109974304A (en) * | 2017-12-28 | 2019-07-05 | 青岛经济技术开发区海尔热水器有限公司 | Water retaining cover structure and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |