CN110806011A - Water saving device for water heater - Google Patents
Water saving device for water heater Download PDFInfo
- Publication number
- CN110806011A CN110806011A CN201910765932.8A CN201910765932A CN110806011A CN 110806011 A CN110806011 A CN 110806011A CN 201910765932 A CN201910765932 A CN 201910765932A CN 110806011 A CN110806011 A CN 110806011A
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- water
- pipe
- backflow
- backward flow
- water outlet
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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
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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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to the field of energy conservation of water heaters, in particular to a water saving device for a water heater. The utility model provides a water saving fixtures for water heater, is including connecting cold water injection pipe and the hot water outlet pipe on the water heater, the one end and the cold water inlet tube of keeping away from the water heater of cold water injection pipe advance water piping connection, the one end of keeping away from the water heater of hot water outlet pipe be connected with mixed water pipe, the one end and the cold water inlet tube of keeping away from the hot water outlet pipe of mixed water pipe advance water piping connection, mixed water pipe on be connected with out the water inner tube, the cold water inlet tube on be connected with the backward flow outer tube, the play water inner tube set up in the inside of backward flow outer tube and with the backward flow outer tube on same axis, the one end of keeping away from the cold water inlet. The invention can not waste cold water flowing out when the water heater is just opened, thereby avoiding the waste of water resources.
Description
Technical Field
The invention relates to the field of energy conservation of water heaters, in particular to a water saving device for a water heater.
Background
With the development of social industry, various high-efficiency water heaters are developed in the aspect of water heaters, the efficiency of the water heaters is higher and higher, and nowadays, electric water heaters, solar water heaters and air energy water heaters are more and more common, but certain problems still exist, namely when the water heaters just start to work, the outlet water temperature of the water outlets is not high, so that cold water with insufficient temperature is directly discharged, and the waste of water resources is caused.
Disclosure of Invention
The invention mainly aims at solving the problem that cold water with insufficient temperature is directly discharged to cause waste of water resources because the outlet water temperature of a water outlet is not high when the existing water heater just starts to work, and provides the water saving device for the water heater, which can not waste the cold water flowing out when the water heater is just opened and avoids waste of water resources.
The purpose of the invention is mainly realized by the following scheme: a water-saving device for a water heater comprises a cold water injection pipe and a hot water outlet pipe which are connected to the water heater, wherein one end of the cold water injection pipe, which is far away from the water heater, is connected with a cold water inlet pipe, one end of the hot water outlet pipe, which is far away from the water heater, is connected with a mixed water pipe, one end of the mixed water pipe, which is far away from the hot water outlet pipe, is connected with a cold water inlet pipe, the cold water inlet pipe is connected with a backflow outer pipe, the outlet water inner pipe is arranged in the backflow outer pipe and is not on the same axis with the backflow outer pipe, one end of the backflow outer pipe, which is far away from the cold water inlet pipe, is connected with a terminal water outlet pipe through a backflow device, the backflow device comprises a shell arranged in the terminal water outlet pipe, a backflow motor is arranged in the shell, and an output, the output shaft of backward flow motor on be connected with the backward flow carousel that is located between terminal outlet pipe and the backward flow outer tube, backward flow carousel and terminal outlet pipe, backward flow outer tube and play water inner tube be the rotation and be connected, the backward flow carousel on be provided with play water inner tube matched with eccentric hole of permeating water, the backward flow carousel on still be provided with play water inner tube matched with and be used for with cold water backward flow to backward flow outer tube and play water inner tube between the backward flow groove, the cold water inlet tube on be provided with first valve, the mixed water pipe on be provided with the second valve, the one end that is close to the cold water inlet tube of backward flow outer tube be provided with the check valve, the one end that is close to the backward flow carousel of play water inner tube be. The end of the cold water injection pipe, which is far away from the water heater, is connected with a cold water inlet pipe, the cold water inlet pipe can be connected with a tap water pipe, the cold water inlet pipe supplies water to the water heater, the end of the hot water outlet pipe, which is far away from the water heater, is connected with a mixed water pipe, the end of the mixed water pipe, which is far away from the hot water outlet pipe, is connected with a water outlet inner pipe, the cold water inlet pipe is connected with a backflow outer pipe, the water outlet inner pipe is arranged inside the backflow outer pipe and is not on the same axis with the backflow outer pipe, namely the water outlet inner pipe is eccentrically arranged inside the backflow outer pipe, the end of the backflow outer pipe, which is far away from the cold water inlet pipe, is connected with a terminal water outlet pipe through a backflow device, the backflow device comprises a shell arranged, an output shaft of the backflow motor penetrates through the shell and is rotationally connected with the shell, a backflow turntable positioned between the terminal water outlet pipe and the backflow outer pipe is connected to the output shaft of the backflow motor, the backflow turntable is rotationally connected with the terminal water outlet pipe, the backflow outer pipe and the water outlet inner pipe, the terminal water outlet pipe, the backflow outer pipe and the water outlet inner pipe are respectively in sealing connection with the backflow turntable, water can be prevented from leaking from a joint, the water outlet inner pipe is attached to the side wall of the backflow turntable, an eccentric water permeable hole matched with the water outlet inner pipe is formed in the backflow turntable, a backflow groove matched with the water outlet inner pipe and used for enabling cold water to flow back between the backflow outer pipe and the water outlet inner pipe is further formed in the backflow turntable, a first valve is arranged on the cold water inlet pipe, a second valve is arranged on the mixed water pipe, a one end, close to the cold water inlet pipe, of, when water in the water heater flows into the water outlet inner pipe from the hot water outlet pipe, the water temperature sensor can detect the temperature of the water firstly, when the detected temperature does not reach the set temperature, the backflow motor can be started to drive the backflow turntable to rotate to the position, corresponding to the water outlet inner pipe, of the backflow groove, then cold water flowing out of the water outlet inner pipe can flow through the backflow groove and enter between the water outlet inner pipe and the backflow outer pipe, under the action of water pressure, the cold water can flow into the cold water inlet pipe along the backflow outer pipe after passing through the one-way valve, at the moment, the first valve and the second valve are both in a closed state, and the cold water can flow into the water heater along the cold water injection pipe, so that an effective water saving; when the water temperature detected by the water temperature sensor reaches a set temperature, the backflow motor drives the backflow turntable to rotate to the position, corresponding to the water outlet inner pipe, of the eccentric water permeable hole, hot water in the water outlet inner pipe can flow into the terminal water outlet pipe after passing through the eccentric water permeable hole, so that the hot water can flow to a corresponding target position from the terminal water outlet pipe, the control of each process can be automatically controlled through the existing PLC or other industrial control modes, and the operation is simple; when the water source in the water heater is insufficient, the first valve is opened, the second valve is closed, and tap water flows through the cold water inlet pipe and the cold water injection pipe and then enters the water heater; when the second valve is opened, the cold water can flow to the mixed water pipe to be mixed with the hot water, so that the water temperature is adjusted.
Preferably, the return groove is internally connected with an arc-shaped return disc through a return spring, the return disc is matched with the water outlet inner pipe, and one side of the return disc, which is far away from the return spring, is provided with a guide groove. The return groove is connected with an arc-shaped return water disc through a return spring, the return water disc is matched with the water outlet inner pipe, one side of the return water disc, which is far away from the return spring, is provided with a diversion trench, when the return water disc rotates under the action of a return motor, the pipe wall of the water outlet inner pipe can be abutted against the return water disc and overcome the spring force of the return spring so as to drive the return water disc to move towards the interior of the return groove, when the center of the return water disc corresponds to the axis of the water outlet inner pipe, the return water disc can be abutted against the water outlet inner pipe under the action of the return spring, so that cold water in the water outlet inner pipe can impact the return water disc and flow between the water outlet inner pipe and the return outer pipe from the diversion trench, thereby achieving better effect of return water saving, after the cold water returns, the return water disc rotates again, the return water disc moves towards the interior of the return groove under the pressure again, and finally the return water, therefore, cold water in the backflow groove is extruded out, the backflow rate of the cold water entering the space between the water outlet inner pipe and the backflow outer pipe from the water outlet inner pipe is high, and the water saving efficiency is high.
Preferably, the number of the guide grooves is four, and the four guide grooves are uniformly distributed on the wall of the water return disc. The number of the guide grooves is four, and the four guide grooves are uniformly distributed on the wall of the water return disc, so that a good flow guide effect is achieved.
Preferably, the first valve is a solenoid valve. The first valve is an electromagnetic valve, and the control efficiency is high.
Preferably, the second valve is a solenoid valve. The second valve is an electromagnetic valve, and the control efficiency is high.
Preferably, the diameter of the eccentric water permeable hole is smaller than the inner diameter of the water outlet inner pipe. The aperture of the eccentric permeable hole is smaller than the inner diameter of the water outlet inner pipe, so that hot water can completely enter the terminal water outlet pipe from the water outlet inner pipe without leakage.
Preferably, the aperture of the backflow groove is larger than the inner diameter of the water outlet inner pipe. The aperture of the reflux groove is larger than the inner diameter of the water outlet inner pipe, so that cold water can efficiently flow through the reflux groove and then enter between the water outlet inner pipe and the reflux outer pipe.
Therefore, the water saving device for the water heater of the invention has the following advantages: the invention has simple structure, convenient operation and high automation degree, and the design of the reflux device can reflux cold water into the water heater, thereby having high water-saving efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view showing the structure of a reflow apparatus according to the present invention.
Fig. 3 is a top view of the return flow turntable of the present invention.
Illustration of the drawings: 1-cold water inlet pipe, 2-first valve, 3-cold water injection pipe, 4-one-way valve, 5-backflow outer pipe, 6-second valve, 7-hot water outlet pipe, 8-mixed water pipe, 9-water outlet inner pipe, 10-water temperature sensor, 11-backflow device, 12-terminal water outlet pipe, 13-backflow rotary disc, 14-shell, 15-backflow motor, 16-backflow groove, 17-backflow disc, 18-backflow spring, 19-eccentric water permeable hole and 20-diversion groove.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in fig. 1, 2 and 3, a water saving device for a water heater comprises a cold water injection pipe 3 and a hot water outlet pipe 7 connected to the water heater, wherein one end of the cold water injection pipe 3 away from the water heater is connected with a cold water inlet pipe 1, the cold water inlet pipe 1 can be connected with a tap water pipe, the cold water inlet pipe 1 supplies water to the water heater, one end of the hot water outlet pipe 7 away from the water heater is connected with a mixed water pipe 8, one end of the mixed water pipe 8 away from the hot water outlet pipe 7 is connected with the cold water inlet pipe 1, the mixed water pipe 8 is connected with an outlet water inner pipe 9, the cold water inlet pipe 1 is connected with a backflow outer pipe 5, the outlet water inner pipe 9 is arranged inside the backflow outer pipe 5 and is not on the same axis with the backflow outer pipe 5, i.e. the outlet water inner pipe 9 is eccentrically arranged inside the backflow outer pipe 5, the backflow device 11 comprises a shell 14 arranged in a terminal water outlet pipe 12, a backflow motor 15 is arranged in the shell 14, the shell 14 can play a role in sealing and waterproofing, and can prevent water from entering the backflow motor 15, an output shaft of the backflow motor 15 penetrates through the shell 14 and is rotatably connected with the shell 14, a backflow turntable 13 located between the terminal water outlet pipe 12 and the backflow outer pipe 5 is connected to the output shaft of the backflow motor 15, the backflow turntable 13 is rotatably connected with the terminal water outlet pipe 12, the backflow outer pipe 5 and the water outlet inner pipe 9, the terminal water outlet pipe 12, the backflow outer pipe 5 and the water outlet inner pipe 9 are respectively in sealing connection with the backflow turntable 13, and can prevent water from leaking from a connection position, the water outlet inner pipe 9 is attached to the side wall of the backflow turntable 13, an eccentric water permeable hole 19 matched with the water outlet inner pipe 9 is arranged on the backflow turntable 13, and an eccentric water permeable hole 19 matched with the water outlet pipe 9 and used for enabling cold water to A groove 16, a first valve 2 is arranged on a cold water inlet pipe 1, a second valve 6 is arranged on a mixed water pipe 8, a check valve 4 is arranged at one end of a backflow outer pipe 5 close to the cold water inlet pipe 1, a water temperature sensor 10 is arranged at one end of a water outlet pipe 9 close to a backflow rotary disc 13, when water in the water heater flows into the water outlet pipe 9 from a hot water outlet pipe 7, the water temperature sensor 10 can detect the temperature of the water firstly, when the detected temperature does not reach a set temperature, a backflow motor 15 can be started so as to drive the backflow rotary disc 13 to rotate to the position of the backflow groove 16 corresponding to the water outlet pipe 9, then the cold water flowing out from the water outlet pipe 9 can flow through the backflow groove 16 and enter between the water outlet pipe 9 and the backflow outer pipe 5, under the action of water pressure, the cold water can flow into the cold water inlet pipe 1 along the backflow outer pipe 5 through the check valve 4, at the moment, the first valve 2 and, cold water can enter the water heater along the cold water injection pipe 3, so that an effective water-saving effect is achieved; when the water temperature detected by the water temperature sensor 10 reaches a set temperature, the backflow motor 15 drives the backflow rotary table 13 to rotate to the position, corresponding to the water outlet inner pipe 9, of the eccentric water permeable hole 19, at the moment, hot water in the water outlet inner pipe 9 can flow into the terminal water outlet pipe 12 after passing through the eccentric water permeable hole 19, so that the hot water can flow to the corresponding target position from the terminal water outlet pipe 12, the control of each process can be automatically controlled through the existing PLC or other industrial control modes, and the operation is simple; when the water source in the water heater is insufficient, the first valve 2 is opened, the second valve 6 is closed, and tap water flows through the cold water inlet pipe 1 and the cold water injection pipe 3 and then enters the water heater; when the second valve 6 is opened, the cold water can also flow to the mixing water pipe 8 to be mixed with the hot water, thereby regulating the water temperature.
An arc-shaped water return disc 17 is connected in the return groove 16 through a return spring 18, the water return disc 17 is matched with the water outlet inner pipe 9, a diversion trench 20 is arranged on one side of the water return disc 17 far away from the return spring 18, when the return rotary disc 13 rotates under the action of the return motor 15, the pipe wall of the water outlet inner pipe 9 is abutted against the water return disc 17 and overcomes the spring force of the return spring 18 so as to drive the water return disc 17 to move towards the inside of the return groove 16, when the center of the water return disc 17 corresponds to the axis of the water outlet inner pipe 9, the water return disc 17 is abutted against the water outlet inner pipe 9 under the action of the return spring 18, so that cold water in the water outlet inner pipe 9 can impact on the water return disc 17 and flow between the water outlet inner pipe 9 and the return outer pipe 5 from the diversion trench 20, thereby achieving a good effect of water saving after the return, when the cold water flows back, the return rotary disc 13 rotates again, the water return disc 17 moves towards the, finally, the water return disc 17 moves away from the direction of the return groove 16 under the action of the water return spring 18, so that cold water in the return groove 16 is extruded out, the return rate of the cold water entering between the water outlet inner pipe 9 and the return outer pipe 5 from the water outlet inner pipe 9 is high, and the water saving efficiency is high; the number of the guide grooves 20 is four, and the four guide grooves 20 are uniformly distributed on the wall of the water return disc 17, so that a good flow guide effect is achieved.
The first valve 2 and the second valve 6 are both electromagnetic valves, and control efficiency is high.
The aperture of the eccentric water permeable hole 19 is smaller than the inner diameter of the water outlet inner pipe 9, so that hot water can completely enter the terminal water outlet pipe 12 from the water outlet inner pipe 9 without leakage; the aperture of the backflow groove 16 is larger than the inner diameter of the water outlet inner pipe 9, so that cold water can efficiently flow through the backflow groove 16 and then enter between the water outlet inner pipe 9 and the backflow outer pipe 5.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. A water saving device for a water heater is characterized by comprising a cold water injection pipe and a hot water outlet pipe which are connected to the water heater, wherein one end of the cold water injection pipe, which is far away from the water heater, is connected with a cold water inlet pipe, one end of the hot water outlet pipe, which is far away from the water heater, is connected with a mixed water pipe, one end of the mixed water pipe, which is far away from the hot water outlet pipe, is connected with a cold water inlet pipe, the mixed water pipe is connected with a water outlet inner pipe, the cold water inlet pipe is connected with a backflow outer pipe, the water outlet inner pipe is arranged inside the backflow outer pipe and is not on the same axis with the backflow outer pipe, one end of the backflow outer pipe, which is far away from the cold water inlet pipe, is connected with a terminal water outlet pipe through a backflow device, the backflow device comprises a shell arranged in the terminal water outlet pipe, a, the output shaft of backward flow motor on be connected with the backward flow carousel that is located between terminal outlet pipe and the backward flow outer tube, backward flow carousel and terminal outlet pipe, backward flow outer tube and play water inner tube be the rotation and be connected, the backward flow carousel on be provided with play water inner tube matched with eccentric hole of permeating water, the backward flow carousel on still be provided with play water inner tube matched with and be used for with cold water backward flow to backward flow outer tube and play water inner tube between the backward flow groove, the cold water inlet tube on be provided with first valve, the mixed water pipe on be provided with the second valve, the one end that is close to the cold water inlet tube of backward flow outer tube be provided with the check valve, the one end that is close to the backward flow carousel of play water inner tube be.
2. The water-saving device for the water heater according to claim 1, wherein the return groove is connected with an arc-shaped return disc through a return spring, the return disc is matched with the water outlet inner pipe, and a guide groove is arranged on one side of the return disc, which is far away from the return spring.
3. The water saving device of claim 2, wherein the number of the guiding grooves is four, and four guiding grooves are uniformly distributed on the wall of the water return disc.
4. The water saving device for water heater according to claim 1, 2 or 3, wherein the first valve is a solenoid valve.
5. A water saving device for a water heater according to claim 1, 2 or 3, wherein the second valve is a solenoid valve.
6. A water saving device for water heater according to claim 1, 2 or 3 wherein the diameter of the eccentric water permeable hole is smaller than the inner diameter of the water outlet pipe.
7. The water saving device for water heater according to claim 1, 2 or 3, wherein the aperture of the return channel is larger than the inner diameter of the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765932.8A CN110806011B (en) | 2019-08-19 | 2019-08-19 | Water saving device for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765932.8A CN110806011B (en) | 2019-08-19 | 2019-08-19 | Water saving device for water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110806011A true CN110806011A (en) | 2020-02-18 |
| CN110806011B CN110806011B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910765932.8A Active CN110806011B (en) | 2019-08-19 | 2019-08-19 | Water saving device for water heater |
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| Country | Link |
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| CN (1) | CN110806011B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476660A (en) * | 2009-01-21 | 2009-07-08 | 施成福 | Uniform-temperature heat conduction pipe |
| US20090266426A1 (en) * | 2008-04-29 | 2009-10-29 | Lee Yu-Tuan | Hot water system |
| CN203100195U (en) * | 2012-12-18 | 2013-07-31 | 西华大学 | Water-saving loop supporting water-heating device |
| CN103808015A (en) * | 2014-01-21 | 2014-05-21 | 河南科技大学 | Cold water recycling device for bathroom |
| CN207335144U (en) * | 2017-05-22 | 2018-05-08 | 华帝股份有限公司 | Zero-cold-water-circulation water supply system |
| CN109297181A (en) * | 2018-11-12 | 2019-02-01 | 盐城市旺科电子技术有限公司 | Immediately heating water heater |
| CN109764530A (en) * | 2018-12-14 | 2019-05-17 | 马万连 | A kind of gas heater with water-saving function |
-
2019
- 2019-08-19 CN CN201910765932.8A patent/CN110806011B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266426A1 (en) * | 2008-04-29 | 2009-10-29 | Lee Yu-Tuan | Hot water system |
| CN101476660A (en) * | 2009-01-21 | 2009-07-08 | 施成福 | Uniform-temperature heat conduction pipe |
| CN203100195U (en) * | 2012-12-18 | 2013-07-31 | 西华大学 | Water-saving loop supporting water-heating device |
| CN103808015A (en) * | 2014-01-21 | 2014-05-21 | 河南科技大学 | Cold water recycling device for bathroom |
| CN207335144U (en) * | 2017-05-22 | 2018-05-08 | 华帝股份有限公司 | Zero-cold-water-circulation water supply system |
| CN109297181A (en) * | 2018-11-12 | 2019-02-01 | 盐城市旺科电子技术有限公司 | Immediately heating water heater |
| CN109764530A (en) * | 2018-12-14 | 2019-05-17 | 马万连 | A kind of gas heater with water-saving function |
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| CN110806011B (en) | 2021-03-19 |
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