CN101825340A - Water heater with lower inner liner pressure - Google Patents
Water heater with lower inner liner pressure Download PDFInfo
- Publication number
- CN101825340A CN101825340A CN200910118880A CN200910118880A CN101825340A CN 101825340 A CN101825340 A CN 101825340A CN 200910118880 A CN200910118880 A CN 200910118880A CN 200910118880 A CN200910118880 A CN 200910118880A CN 101825340 A CN101825340 A CN 101825340A
- Authority
- CN
- China
- Prior art keywords
- water
- magnetic valve
- inner bag
- inlet pipe
- water heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a water heater with lower inner liner pressure. The water heater comprises an inner liner, a water inlet pipe, a water outlet pipe, a hydraulic valve and a cold water pipeline communicated with the water inlet pipe and the hydraulic valve; the water heater also comprises a first electromagnetic valve used to control the disconnection or connection of the water inlet pipe, a second electromagnetic valve used to control the inner liner to connect or disconnect with the atmosphere, a water flow detector used to detect the water flow in the cold water pipeline and a controller used to output control signals for controlling the disconnection or connection of the first electromagnetic valve and second electromagnetic valve according to the detection signals of the water flow detector. When hot water is not used, the electromagnetic valve on the water inlet pipe of the water heater of the invention is used to close the water inlet pipe all along, thus avoiding that the inner liner always bears the tap water pressure; and the electromagnetic valve on the water outlet pipe is used to ensure that the water outlet pipe is communicated with the atmosphere, thus avoiding the pressure on the inner liner owning to the volume expansion of water in heating process. When hot water is used, the water heater of the invention can avoid that hot water flows directly from the mixing valve to scald human.
Description
Technical field
The present invention relates to a kind of water heater, relate in particular to a kind of water heater that reduces inner liner pressure.
Background technology
Water heater has obtained extensive use in people life, structure is varied, and modal have electric heater and a Teat pump boiler.Water heater generally includes the inner bag (perhaps being water tank) that is used for water storage, cold water inlet that is communicated with inner bag and hot water outlet pipe, usually cold water inlet is connected with tap water pipe line, though safety valve is arranged, but since safety valve in let out or the value of leaking always has the restriction of certain scope, so inner bag is in the pressure state after water in the state that bears tap water pressure and the inner bag is heated the volume expansion always.Be that example describes below with the electric heater.
Electric heater is a kind of hot water supply apparatus easy to clean, has obtained extensive use in people's life.Fig. 1 shows a kind of schematic construction of typical electric heater, is equipped with on the inner bag 11 of heater 12 and is connected with water inlet pipe 14 and outlet pipe 13.Water inlet pipe 14 is connected with running water cold water pipeline 15, when intaking in the water inlet pipe 14, the hot water in the inner bag 11 flows out via outlet pipe 13, and mixes water by mixing water valve 16 (being also referred to as the water transfer valve usually), by tap, first-class discharging device 18 outputs of shower, for people to use again.
Be typically provided with safety valve 17 on the water inlet pipe 14, the function of letting out and leak in this safety valve 17 possesses, its rated pressure value is determined according to design by producer, such as 0.75Mpa, 0.8Mpa etc., in use, inner bag is in artesian condition, generally can pressure release unless reach setup pressure value.And because the existence of mismachining tolerance, sometimes in addition reach higher pressure still can not pressure release.
In use, the inner bag 11 of electric heater 10 is in artesian condition always, though GB/T has stipulated container pulse five ranks different from 80,000 times to 160,000 times, if but inner bag is in artesian condition always, then there is considerable influence in the life-span to self life-span, particularly weld of inner bag.
Chinese invention patent ZL02115118.0 discloses the controlled electric heater of a kind of constant pressure, is provided with pressure switch at inner bag or the optional position that communicates with inner bag, and magnetic valve is electrically connected with pressure switch.When the pressure in the inner bag reached setting value, pressure switch work was with closed electromagnetic valve, and the cut-out inner bag is communicated with running water system, and the pressure of running water system can be delivered in the inner bag.When opening the outlet valve water, along with pressure is reduced to a certain value, pressure switch moves again magnetic valve is opened, and keeps the water supply state.Patent ZL02115118.0 is the scheme of closing water intaking valve when utilizing pressure to surpass certain value, but when the user when using hot water, in case inner liner pressure surpasses setting value, inner bag was cut off with being communicated with of running water system, caused the user normally to use.And when inner liner pressure exceeded standard, the continuation that the scheme of patent ZL02115118.0 can only stop pressure that inner bag bears increased, and the pressure that can not rapidly inner bag be born lowers.
Though the technical scheme of above-mentioned patent suggestion also is in the pressure-bearing problem that solves water heater liner, but the enforcement of its scheme may influence the normal water of user, the inventor finds in addition, and existing water heater also exists and mixes that water valve directly goes out hot water and the serious problems of scalding the people.Given this, await existing water heater is improved, to improve the service life and the safety in utilization of water heater.
Summary of the invention
The present invention aims to provide a kind of water heater that reduces inner liner pressure, avoid water heater non-when going out water state inner bag be in pressure status after bearing running water and water to add thermal expansion all the time.
For this reason, water heater of the present invention, it comprises inner bag, water inlet pipe, outlet pipe, water transfer valve and the cold water pipeline that leads to water inlet pipe and water transfer valve, it is characterized in that, also comprises: first magnetic valve is used to control ending or being communicated with of water inlet pipe; Second magnetic valve is used to control communicating or disconnecting of inner bag and atmosphere; Water flow detector is used for detecting the current of cold water pipeline; And controller, be used for detection signal, the control signal of first, second magnetic valve break-make of output control according to water flow detector.
Wherein, above-mentioned first magnetic valve is arranged on the outlet pipe.
Wherein, above-mentioned second magnetic valve is arranged on the top of inner bag.
Wherein, above-mentioned water flow detector is provided with on the cold water pipeline.
Wherein, above-mentioned water flow detector is a water flow switch, and water flow switch sends detection signal to controller when detecting current.
Wherein, also be provided with safety valve on the above-mentioned water inlet pipe.
Wherein, above-mentioned water heater is an electric heater.
Wherein, when above-mentioned first closed electromagnetic valve, cold water pipeline inner cold water can not enter inner bag; When second magnetic valve was opened, inner bag communicated with atmosphere.
Wherein, above-mentioned outlet pipe stretches in the inner bag and arrives the top of inner bag.
Water heater of the present invention, when not using hot water, the magnetic valve on the water inlet pipe cuts out water inlet pipe all the time, exempts from artesian condition thereby inner bag is in.When bringing into use hot water, can avoid mixing that water valve directly has hot water and the accident of scalding the people takes place.
Be noted that the description and the following detailed description all are exemplary, are intended for the requested to provide further explanation of the invention.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.Below with reference to figure, other purpose, feature and effect of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one.In the accompanying drawings:
Fig. 1 shows a kind of schematic construction of typical electric heater;
Fig. 2 shows the structural representation according to the electric heater of first embodiment of the invention;
Fig. 3 shows the structural representation according to the electric heater of second embodiment of the invention;
Fig. 4 shows the theory diagram according to the inner liner pressure control of water heater of the present invention; And
Fig. 5 shows the flow chart according to the inner liner pressure control of water heater of the present invention.
The specific embodiment
Carry out below in conjunction with accompanying drawing and each embodiment that the present invention will be described.
Fig. 2 shows the structural representation according to the electric heater of first embodiment of the invention, and Fig. 4 shows the theory diagram according to the inner liner pressure control of water heater of the present invention.In conjunction with reference to Fig. 2 and Fig. 4, on the water inlet pipe 14 of electric heater 10, be provided with first magnetic valve (being the water inlet magnetic valve) 20, this first magnetic valve 20 is used to control ending or being communicated with of water inlet pipe 14.Be provided with second magnetic valve (being the delivery port magnetic valve) 19 on outlet pipe 13, this second magnetic valve 19 is used to control communicating of inner bag 11 and atmosphere or disconnects.Be provided with water flow detector 21 on the cold water pipeline 15 that leads to water inlet pipe 14 and water transfer valve 16, whether this water flow detector 21 is used for detecting cold water pipeline 15 has water to flow.
This cold water pipeline 15 comprises cold water pipe branch road that is connected with water transfer valve 16 and water inlet pipe 14 and the cold water pipe main line that is connected with the cold water pipe branch road.This water flow detector 21 can be arranged on the cold water pipe branch road that is connected with water transfer valve 16, also can be arranged on the cold water pipe main line.
When having water to flow in the cold water pipeline 15, send first detection signal to controller 30, controller 30 cuts out this second magnetic valve 19 and opens this first magnetic valve 20 according to this first detection signal, at this moment, inner bag does not communicate with atmosphere, and cold water can enter inner bag from water inlet pipe 14, and the user can normally use this electric heater 10 to carry out bathing; When this water flow detector 21 detects when not having water to flow in this cold water pipeline 15, send second detection signal to controller 30, controller 30 cuts out this first magnetic valve 20 and opens this second magnetic valve 19 according to this second pulse signal, at this moment, inner bag communicates with atmosphere, and cold water can not enter inner bag from water inlet pipe 14, and inner bag did not bear from the hydraulic pressure in the water supply pipe and water and added pressure after the thermal expansion this moment.
Above-mentioned water flow detector 21 can be the flow switch that detects the running water flow, also can be to detect the water flow switch (being also referred to as Water operated switch gear usually) that whether has current to exist.
Fig. 3 shows the structural representation according to the electric heater of second embodiment of the invention.As shown in the figure, the difference of the electric heater of the electric heater of this embodiment and first embodiment is, the control inner bag communicates with atmosphere or second magnetic valve 19 that disconnects is arranged on the top of inner bag 11.
Fig. 5 shows the flow chart according to the inner liner pressure control of water heater of the present invention.Below in conjunction with reference Fig. 4 and Fig. 5 the control procedure of inner liner pressure is described.
Step S10, the current in 21 pairs of cold water pipelines 15 of water flow detector detect, and when detecting current, send detection signal to controller 30.
Step S20, controller 30 judge according to the detection signal that receives, when judgement has current to exist, and execution in step S31, promptly controller 30 sends control signal, opens the water inlet magnetic valve and closes the delivery port magnetic valve, and this moment, water heater entered user mode; When judging that no current exist, execution in step S32, promptly controller 30 sends control signal, closes the water inlet magnetic valve, opens the delivery port magnetic valve, thereby makes inner bag communicate with atmosphere.Like this, compare with the pressure after inner bag bears running water and water adds thermal expansion, the pressure that inner bag bears has reduced.
After this flow performing finished, water flow detector detected current once more, the duplicate flow process of laying equal stress on.
Current in the cold water pipeline 15 are by the control of water transfer valve, during when the water transfer opening of valves and with cold water and hot water mixing, because the pressure of running water has current, thereby allows water flow detector detect in the cold water pipeline 15.When the water transfer opening of valves when directly going out the position of hot water owing to do not have current in the cold water pipeline 15,20 of the magnetic valves on the water inlet pipe 14 can not be opened, thereby the hot water in the inner bag 11 can directly not flow out.Like this, the accident that then can avoid directly haveing hot water and scald the people takes place.
By above description as can be seen, electric heater of the present invention is not when using hot water, magnetic valve on the water inlet pipe cuts out water inlet pipe all the time, magnetic valve on the outlet pipe is opened all the time and is kept outlet pipe and atmosphere to communicate, and exempts from artesian condition thereby inner bag is in, and prolongs inner bag service life.When bringing into use, can avoid mixing that water valve directly has hot water and the accident of scalding the people takes place.
Those skilled in the art understand easily, the water heater of avoiding inner bag to be in being in artesian condition all the time of the present invention not only can be applied to electric heater, also can be applied to Teat pump boiler, all the time be in artesian condition with inner bag or the water tank of avoiding being used for water storage, thereby prolong the service life of inner bag, avoid simultaneously mixing that water valve directly has hot water and the accident of scalding the people takes place.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a water heater comprises inner bag, water inlet pipe, outlet pipe, water transfer valve and the cold water pipeline that leads to described water inlet pipe and water transfer valve, it is characterized in that, also comprises:
Be used to control first magnetic valve that ends or be communicated with of described water inlet pipe;
Be used to control second magnetic valve that communicates or disconnect of described inner bag and atmosphere;
Be used for detecting the water flow detector of the current of described cold water pipeline; And
Controller, described controller are according to the detection signal of described water flow detector, and the control signal that described first, second magnetic valve opens or closes is controlled in output.
2. water heater according to claim 1 is characterized in that,
Described first magnetic valve is arranged on the described water inlet pipe.
3. water heater according to claim 1 is characterized in that,
Described second magnetic valve is arranged on the top of described inner bag.
4. water heater according to claim 3 is characterized in that,
Described second magnetic valve is arranged on the inside of described inner bag.
5. water heater according to claim 3 is characterized in that,
Described second magnetic valve is arranged on the outside of described inner bag.
6. water heater according to claim 1 is characterized in that,
Described second magnetic valve is arranged on the described outlet pipe.
7. water heater according to claim 1 is characterized in that,
Described cold water pipeline comprises cold water pipe branch road that is connected with described water inlet pipe, described water transfer valve and the cold water pipe main line that is connected with the cold water pipe branch road.
8. water heater according to claim 7 is characterized in that,
Described water flow detector is arranged on the described cold water pipe main line.
9. water heater according to claim 7 is characterized in that,
Described water flow detector is arranged on the cold water pipe branch road that is connected with the water transfer valve.
10. water heater according to claim 1 is characterized in that,
When described first closed electromagnetic valve, described cold water pipeline inner cold water can not enter described inner bag; When described second magnetic valve was opened, described inner bag communicated with atmosphere.
11. water heater according to claim 10 is characterized in that,
Described water flow detector is a water flow switch, and described water flow switch sends first detection signal to described controller when having detected water and flow, and described controller opens described first magnetic valve and cuts out described second magnetic valve according to this detection signal; Do not send second detection signal to described controller when described water flow switch detects water and flows, described controller cuts out described first magnetic valve and opens described second magnetic valve according to this second detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910118880A CN101825340B (en) | 2009-03-04 | 2009-03-04 | Water heater with lower inner liner pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910118880A CN101825340B (en) | 2009-03-04 | 2009-03-04 | Water heater with lower inner liner pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101825340A true CN101825340A (en) | 2010-09-08 |
| CN101825340B CN101825340B (en) | 2012-09-19 |
Family
ID=42689406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910118880A Active CN101825340B (en) | 2009-03-04 | 2009-03-04 | Water heater with lower inner liner pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101825340B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788183A (en) * | 2011-05-17 | 2012-11-21 | 上海天净管业有限公司 | Automatic hydraulic-regulating waterway protection system |
| CN103292457A (en) * | 2012-02-24 | 2013-09-11 | 重庆海尔热水器有限公司 | Water storage type water heater capable of reducing pressure of inner container |
| CN106152494A (en) * | 2015-04-24 | 2016-11-23 | 王锦林 | Related domestic water auto-controlled energy-saving type non-pressure water heater |
| CN106152527A (en) * | 2015-04-03 | 2016-11-23 | 广东顺德光晟电器股份有限公司 | The electric heater of the quick electrothermal plate heating of vertical type water flow on-off control |
| CN107990548A (en) * | 2017-12-14 | 2018-05-04 | 广东美的暖通设备有限公司 | Dual-purpose water tank, air source hot pump water heater, the control method of water tank |
| US20230175735A1 (en) * | 2016-08-19 | 2023-06-08 | A.O. Smith Corporation | Water heater system and control method therefor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657841A (en) * | 2005-03-15 | 2005-08-24 | 何家强 | Autocontrol multi-channel central water supply and storage type electric water heater |
| CN2872182Y (en) * | 2006-01-08 | 2007-02-21 | 麦广海 | Mixed water heater |
| CN101153744A (en) * | 2006-09-27 | 2008-04-02 | 麦广海 | Water-storage water heater |
| JP2008096044A (en) * | 2006-10-13 | 2008-04-24 | Corona Corp | Hot water reservoir type hot-water supply device |
| JP2008122032A (en) * | 2006-11-15 | 2008-05-29 | Sanden Corp | Hot water supply system |
| CN201093698Y (en) * | 2007-07-30 | 2008-07-30 | 海尔集团公司 | Electric water heater with ozone disinfection apparatus |
-
2009
- 2009-03-04 CN CN200910118880A patent/CN101825340B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657841A (en) * | 2005-03-15 | 2005-08-24 | 何家强 | Autocontrol multi-channel central water supply and storage type electric water heater |
| CN2872182Y (en) * | 2006-01-08 | 2007-02-21 | 麦广海 | Mixed water heater |
| CN101153744A (en) * | 2006-09-27 | 2008-04-02 | 麦广海 | Water-storage water heater |
| JP2008096044A (en) * | 2006-10-13 | 2008-04-24 | Corona Corp | Hot water reservoir type hot-water supply device |
| JP2008122032A (en) * | 2006-11-15 | 2008-05-29 | Sanden Corp | Hot water supply system |
| CN201093698Y (en) * | 2007-07-30 | 2008-07-30 | 海尔集团公司 | Electric water heater with ozone disinfection apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788183A (en) * | 2011-05-17 | 2012-11-21 | 上海天净管业有限公司 | Automatic hydraulic-regulating waterway protection system |
| CN103292457A (en) * | 2012-02-24 | 2013-09-11 | 重庆海尔热水器有限公司 | Water storage type water heater capable of reducing pressure of inner container |
| CN103292457B (en) * | 2012-02-24 | 2017-09-26 | 重庆海尔热水器有限公司 | Water storage type water heater capable of reducing pressure of inner container |
| CN106152527A (en) * | 2015-04-03 | 2016-11-23 | 广东顺德光晟电器股份有限公司 | The electric heater of the quick electrothermal plate heating of vertical type water flow on-off control |
| CN106152494A (en) * | 2015-04-24 | 2016-11-23 | 王锦林 | Related domestic water auto-controlled energy-saving type non-pressure water heater |
| US20230175735A1 (en) * | 2016-08-19 | 2023-06-08 | A.O. Smith Corporation | Water heater system and control method therefor |
| CN107990548A (en) * | 2017-12-14 | 2018-05-04 | 广东美的暖通设备有限公司 | Dual-purpose water tank, air source hot pump water heater, the control method of water tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101825340B (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105485941B (en) | A kind of intelligent solar water heater | |
| CN101825340B (en) | Water heater with lower inner liner pressure | |
| CN106322769A (en) | Water circulation control method of gas water heater, and gas water heater adopting water circulation control method | |
| CN206191879U (en) | Zero cold water gas heater and system thereof | |
| US20090223285A1 (en) | Method For Permanently Monitoring Pressurized Pipelines and Line Systems Which Carry Fluid Media | |
| CN107388565A (en) | A kind of electric heater and its isolation control method | |
| CN201652814U (en) | Circulating water returning device and system for water heater | |
| CN109945499A (en) | Water heater system control method and water heater | |
| CN105698368B (en) | A kind of boiler and its control method | |
| CN205373025U (en) | Water heating system | |
| CN207515028U (en) | A kind of central water heating device integrated for warm domestic hot-water | |
| CN113465170A (en) | Non-circulation zero-cold water heater device | |
| CN105862984B (en) | A kind of stabilized voltage device and its pressure-stabilizing water supply method | |
| CN110513862B (en) | Series-type gas water heater, series-type system, pressurizing method and preheating method | |
| CN205860456U (en) | Gas wall-mounted furnace | |
| CN205580015U (en) | Novel solar water heater | |
| CN104296387A (en) | Water heater control method and system | |
| CN104776590B (en) | Gas heater | |
| CN205536619U (en) | Intelligent solar water heater | |
| JP2866874B2 (en) | Decompression type backflow prevention device with abnormality detection control device | |
| CN109612109B (en) | Cold water recovery type hot water system and cold water recovery method | |
| JP5747840B2 (en) | Hot water storage water heater | |
| CN214172530U (en) | Instant water heater capable of preventing water mixing | |
| CN206803504U (en) | Natural Gas Water Heater return water system | |
| CN104748393B (en) | Heat pump and its control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |