CN107178907A - Electric water heater inlet system and its control method - Google Patents
Electric water heater inlet system and its control method Download PDFInfo
- Publication number
- CN107178907A CN107178907A CN201610901405.1A CN201610901405A CN107178907A CN 107178907 A CN107178907 A CN 107178907A CN 201610901405 A CN201610901405 A CN 201610901405A CN 107178907 A CN107178907 A CN 107178907A
- Authority
- CN
- China
- Prior art keywords
- valve
- relief valve
- safety valve
- pressure value
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 230000006837 decompression Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
-
- 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
- F24H9/0005—Details for water heaters
Landscapes
- 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of electric water heater inlet system and its control method, belong to technical field of water heaters, designed to solve the problem of safety valve of existing electric water heater inlet system drips.The electric water heater inlet system that the present invention is provided includes relief valve, and the Opening pressure of relief valve is less than the vent pressure of safety valve, for preventing safety valve from dripping；What relief valve was arranged on the pipeline between safety valve and mixing valve or be arranged at mixing valve enters cold water joint.The control method for the electric water heater inlet system that the present invention is provided is：The Opening pressure value of relief valve is set as A by controller, and the vent pressure value of safety valve is set as into B, makes the Opening pressure value A of relief valve be less than the vent pressure value B of safety valve.The electric water heater inlet system that the present invention is provided can make safety valve not drip, thus safety coefficient is higher.The control method control for the electric water heater inlet system that the present invention is provided is safe and reliable, can realize two-stage decompression function.
Description
Technical field
The present invention relates to field of water heaters, and in particular to a kind of electric water heater inlet system and is entered based on the electric heater
The control method of water system.
Background technology
Electric heater is conventional household electrical appliance, and it has a lot of advantages, such as clean hygiene, need not partial installation, do not produce
Raw pernicious gas, temperature adjustment are convenient, thus, receive liking for most users.Electric heater includes water tank, is arranged on water tank water intake
Safety valve, the mixing valve that is arranged between hot water outlet pipe and cold water distributive pipe at mouthful etc..
Existing electric heater is mostly to set certain pressure in advance with safety valve, when inner liner pressure exceed setting value it
Afterwards, pressure release is carried out by safety valve pressure relief opening, prevents inner liner pressure is too high from influenceing its service life, while protecting user's life wealth
Production safety.
, there is following drawback in function and manner of execution based on above-mentioned safety valve：First, when liner for water tank of water heater or use
During family loine pressure too high (being higher than safety valve vent pressure), safety valve begins through pressure relief opening pressure release, now, it may appear that safety
Valve dripping phenomenon, when pressure is high, some safety valves are even dripped always, and a kind of hot water can be intuitively caused to user
The illusion of device leak, influences Consumer's Experience；2nd, due to the general liftoff leakage of water heater installation site farther out, it is unfavorable for pressure relief water
Drain, therefore, it is very easy to cause the accident that user toilet is flooded.
The content of the invention
It is an object of the invention to propose a kind of to make the electric water heater inlet system that safety valve does not drip, safety coefficient is higher
System.
Another object of the present invention is to propose that a kind of control method is simple, control safe and reliable electric water heater inlet system
The control method of system.
For up to this purpose, on the one hand, the present invention uses following technical scheme：
A kind of electric water heater inlet system, including water tank, at the water tank inlet set safety valve and be used for
The mixing valve that hot and cold water is mixed, in addition to relief valve, the Opening pressure of the relief valve are less than the pressure release pressure of the safety valve
Power, for preventing the safety valve from dripping；The relief valve is arranged on the pipeline between the safety valve and the mixing valve
Or be arranged at the mixing valve enter cold water joint.
As the preferred scheme of the present invention, collection vessel is provided with below the relief valve, it is described for collecting
The pressure relief water that relief valve overflows.
As the preferred scheme of the present invention, the cold water joint connection horizontal segment that enters of the mixing valve enters cold water pipeline,
The relief valve enters on cold water pipeline positioned at horizontal segment.
As the preferred scheme of the present invention, the safety valve enters on cold water pipeline positioned at vertical section, the relief valve
At the position for being provided close to the safety valve.
As the preferred scheme of the present invention, the relief valve is arranged at the entering on cold water joint of the mixing valve, with
The mixing valve formation integral structure.
As the preferred scheme of the present invention, the collection vessel be hung on collecting vessel below the relief valve or
It is connected to the disposable box below the relief valve.
As the preferred scheme of the present invention, the collection vessel is made up of plastic material.
On the other hand, the present invention uses following technical scheme：
A kind of control method based on above-mentioned electric water heater inlet system, the control method is：Controller is by pressure release
The Opening pressure value of valve is set as A, and the vent pressure value of safety valve is set as into B, makes the Opening pressure value A of the relief valve low
In the vent pressure value B of the safety valve.
Further, when the hydraulic pressure value C in pipeline is higher than the Opening pressure value A of the relief valve and less than the safety valve
Vent pressure value B when, the relief valve individually opens carry out pressure release；
When the hydraulic pressure value C in pipeline is higher than the vent pressure value B of the safety valve, the relief valve and the safety valve
Open simultaneously and carry out pressure release；
When the hydraulic pressure value C in pipeline is less than the Opening pressure value A of the relief valve, the relief valve and the safety valve
Close.
Beneficial effects of the present invention are：
The electric water heater inlet system that the present invention is provided has installed relief valve, the peace of relief valve additional on the basis of existing structure
Dress height, which is less than on safety valve, the pipeline between safety valve and mixing valve, to be set, and the Opening pressure of relief valve is less than safety valve
Vent pressure；When Opening pressure value of the hydraulic pressure value in pipeline higher than relief valve and the vent pressure value less than safety valve,
Relief valve, which is opened, carries out pressure release, and the safety valve for solving existing electric water heater inlet system drips even that flowing water is asked always
Topic, improves the satisfaction of user；When the hydraulic pressure value in pipeline is higher than the vent pressure value of the safety valve, safety valve is also opened
Carry out pressure release is opened, the electric water heater inlet system has two-stage decompression function, eliminate when user uses that it frequently drips is tired
Angry, Consumer's Experience is good.
Brief description of the drawings
Fig. 1 is the structural representation for the electric water heater inlet system that the preferred embodiment of the present invention one is provided；
Fig. 2 is the structural representation for the electric water heater inlet system that the preferred embodiment of the present invention two is provided；
Fig. 3 is the structural representation for the electric water heater inlet system that the preferred embodiment of the present invention three is provided；
Fig. 4 is the structural representation of the integral structure of the relief valve that the preferred embodiment of the present invention three is provided and mixing valve.
Marked in figure：
1st, water tank；2nd, safety valve；3rd, mixing valve；4th, relief valve；5th, collection vessel；21st, vertical section enters cold water pipeline；22、
Horizontal segment enters cold water pipeline；31st, cold water joint is entered.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment one：
This preferred embodiment provides a kind of electric water heater inlet system.As shown in figure 1, electric water heater inlet system includes water
Case 1, hot-water outlet pipe road, enter cold water pipeline, the water inlet of water tank 1 set safety valve 2, the mixing for hot and cold water to be mixed
Valve 3 and shower nozzle, wherein, enter cold water pipeline and be divided into that two sections, i.e. vertical section enter cold water pipeline 21 and horizontal segment enters cold water pipeline 22,
Safety valve 2 enters on cold water pipeline 21 positioned at vertical section, mixing valve 3 enter cold water joint 31 connection horizontal segment enter cold water pipeline 22 and
Enter hot water joint connection hot-water outlet pipe road, the delivery port connection shower nozzle of mixing valve 3.
At present, the inner container of electric water heater of in the market or during user's loine pressure too high (be higher than safety valve vent pressure),
Safety valve 2 begins through pressure relief opening pressure release, while the dripping phenomenon of safety valve 2 can be produced, especially when pressure is high, has
Safety valve 2 even drip always or flowing water, a kind of illusion of water heater leak so can be intuitively caused to user, so that sternly
Ghost image rings Consumer's Experience, for existing electric water heater safety valve dripping phenomenon, in order to preferably solve this problem, the present embodiment
In, enter in horizontal segment and relief valve 4 is provided with cold water pipeline 22, the position of relief valve 4 is actually, close to mixing valve 3, to install
Highly it is less than safety valve 2, the Opening pressure of relief valve 4 is less than the vent pressure of safety valve 2, for preventing safety valve 2 from dripping, such as
The direction of arrow shown in Fig. 1 is pressure release current direction.
It is above-mentioned to enter the relief valve 4 set on cold water pipeline 22 in horizontal segment, on the one hand, solve that safety valve 2 drips asks
Topic, on the other hand, relief valve 4 is liftoff, and leakage is nearer, is easy to draining for pressure relief water.
In order to rationally be wasted using resource, reduction, pressure relief water can be collected, for example, the pressure relief water collected is used for
Water flowers, rush closestool, mop floor.In the present embodiment, the lower section of relief valve 4 is provided with collection vessel, is preferably, is hung on pressure release
The collecting vessel being made up of plastic material of the lower section of valve 4, it is simple in construction, easy to use, improve resource utilization.
Valve working control method based on above-mentioned electric water heater inlet system at least needs to comprise the steps：Controller
The Opening pressure value of relief valve 4 is set as A, the vent pressure value of safety valve 2 is set as B, the Opening pressure of relief valve 4 is made
Value A is less than the vent pressure value B of safety valve 2；When the hydraulic pressure value C in inner bag or pipeline higher than relief valve 4 Opening pressure value A and
Less than safety valve 2 vent pressure value B when, relief valve 4 individually open carry out pressure release；When the hydraulic pressure value C in inner bag or pipeline is high
When the vent pressure value B of safety valve 2, relief valve 4 and safety valve 2 are opened and carry out pressure release simultaneously；Water in inner bag or pipeline
When pressure value C is less than the Opening pressure value A of relief valve 4, relief valve 4 and safety valve 2 are closed, wherein, A and B concrete numerical value can
It is stored according to the actual requirements in controller, C is variable, is changed with the change of hydraulic pressure.
In the present embodiment, electric water heater inlet system has two-stage decompression function, eliminates its frequent drop when user uses
The worry of water, improves user experience value and satisfaction, simple in construction, manufacturing cost is cheap, suitable for industrialization, produce in enormous quantities
It is required that, rationally wasted using resource, reduction.
Preferred embodiment two：
This preferred embodiment provides a kind of electric water heater inlet system.As shown in Fig. 2 electric water heater inlet system with preferably
Structure described in embodiment one is essentially identical, including water tank 1, the safety valve 2 that is set in the water inlet of water tank 1 and for will be cold
The mixing valve 3 of hot water mixing, in addition to relief valve 4, the Opening pressure of relief valve 4 are less than the vent pressure of safety valve 2, for preventing
Only safety valve 2 drips, wherein, safety valve 2 enters on cold water pipeline 21 positioned at vertical section.
Difference is：Relief valve 4 is provided close at the position of safety valve 2, less than the height of safety valve 2, such as Fig. 2 institutes
The direction of arrow shown is the flow direction of pressure relief water；Below relief valve 4 can also the disposable box that is made up of plastic material of clamping, it is necessary to make
With disposable box can be exerted oneself during pressure relief water to move so as to depart from relief valve 4, easy to use, resource utilization is high.
Above-mentioned electric water heater inlet system can realize that safety valve does not drip or delays the time of dripping, to improve Consumer's Experience
Value and satisfaction, simple in construction, manufacturing cost is cheap, suitable for industrialization, requirements of mass production.In addition, in the present embodiment, when
When hydraulic pressure value C in inner bag or pipeline is higher than the Opening pressure value A and the vent pressure value B less than safety valve 2 of relief valve 4, let out
Pressure valve 4 is individually opened and carries out pressure release；When the hydraulic pressure value C in inner bag or pipeline is higher than the vent pressure value B of safety valve 2, pressure release
Valve 4 and safety valve 2 are opened simultaneously carries out pressure release, high using safety coefficient with two-stage decompression function.
Preferred embodiment three：
This preferred embodiment provides a kind of electric water heater inlet system.As shown in Figure 3 and Figure 4, electric water heater inlet system
It is essentially identical with structure described in preferred embodiment one or two, including water tank 1, the safety valve 2 that is set in the water inlet of water tank 1 with
And the mixing valve 3 for hot and cold water to be mixed, in addition to relief valve 4, pressure release of the Opening pressure less than safety valve 2 of relief valve 4
Pressure, for preventing safety valve 2 from dripping, wherein, the connection horizontal segment of cold water joint 31 that enters of mixing valve 3 enters cold water pipeline 22 and entered
Hot water joint connection hot-water outlet pipe road, the delivery port connection shower nozzle of mixing valve 3.
Difference is：Relief valve 4 is arranged at the entering on cold water joint 31 of mixing valve 3, with the formation integral type of mixing valve 3
Structure, the direction of arrow as shown in Figure 3 is the flow direction of pressure relief water；The receipts being made up of metal material are hung in the lower section of relief valve 4
Collect bucket, service life length, convenient disassembly.
In the present embodiment, electric water heater inlet system is near due to the liftoff leakage distance of relief valve 4, facilitates draining for pressure relief water,
The accident flooded toilet that avoids of high degree occurs；In addition, the electric water heater inlet system has two-stage decompression function,
It is cheap using safety coefficient height, good Consumer's Experience, reasonable in design, manufacturing cost.
Finally, in addition it is also necessary to explanation, herein, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include those
Key element, but also other key elements including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment.
Above is the embodiment provided with reference to accompanying drawing, is only to realize preferred scheme of the invention rather than its limitations, it is any
Embodiment to the present invention is modified or carries out equivalent substitution to some technical characteristics, without departing from skill of the present invention
The spirit of art scheme, all should cover among claimed technical scheme scope of the invention.Protection scope of the present invention is also wrapped
Include those skilled in the art and do not pay the thinkable any alternate embodiments of creative work institute.
Claims (9)
1. a kind of electric water heater inlet system, including water tank (1), the safety valve (2) that is set in the water tank (1) water inlet with
And the mixing valve (3) for hot and cold water to be mixed, it is characterised in that also including relief valve (4), the unlatching of the relief valve (4)
Pressure is less than the vent pressure of the safety valve (2), for preventing the safety valve (2) from dripping；
The relief valve (4) is arranged on the pipeline between the safety valve (2) and the mixing valve (3) or is arranged at described mixed
That closes valve (3) enters cold water joint (31) place.
2. a kind of electric water heater inlet system according to claim 1, it is characterised in that the lower section of the relief valve (4)
Collection vessel (5) is provided with, the pressure relief water for collecting the relief valve (4) spilling.
3. a kind of electric water heater inlet system according to claim 1 or 2, it is characterised in that mixing valve (3) are entered
Cold water joint (31) connection horizontal segment enters cold water pipeline (22), and the relief valve (4) is entered on cold water pipeline (22) positioned at horizontal segment.
4. a kind of electric water heater inlet system according to claim 1 or 2, it is characterised in that the safety valve (2) is located at
Vertical section is entered on cold water pipeline (21), and the relief valve (4) is provided close at the position of the safety valve (2).
5. a kind of electric water heater inlet system according to claim 1 or 2, it is characterised in that the relief valve (4) is set
In entering on cold water joint (31) for the mixing valve (3), with the mixing valve (3) formation integral structure.
6. a kind of electric water heater inlet system according to claim 2, it is characterised in that the collection vessel (5) is extension
The collecting vessel being located at below the relief valve (4) or the disposable box being connected to below the relief valve (4).
7. a kind of electric water heater inlet system according to claim 6, it is characterised in that the collection vessel (5) is by moulding
Material material is made.
8. a kind of control method based on any described electric water heater inlet systems of claim 1-7, it is characterised in that described
Control method is：The Opening pressure value of relief valve (4) is set as A by controller, and the vent pressure value of safety valve (2) is set as
B, makes the Opening pressure value A of the relief valve (4) be less than the vent pressure value B of the safety valve (2).
9. a kind of control method of electric water heater inlet system according to claim 8, it is characterised in that
When Opening pressure value As of the hydraulic pressure value C in pipeline higher than the relief valve (4) and the pressure release less than the safety valve (2)
During pressure value B, the relief valve (4) is individually opened and carries out pressure release；
When the hydraulic pressure value C in pipeline is higher than the vent pressure value B of the safety valve (2), the relief valve (4) and the safety
Valve (2) carries out pressure release while opening；
When the hydraulic pressure value C in pipeline is less than the Opening pressure value A of the relief valve (4), the relief valve (4) and the safety
Valve (2) is closed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016101325688 | 2016-03-09 | ||
| CN201610132568 | 2016-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107178907A true CN107178907A (en) | 2017-09-19 |
Family
ID=59830369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610901405.1A Pending CN107178907A (en) | 2016-03-09 | 2016-10-14 | Electric water heater inlet system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107178907A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW377814U (en) * | 1997-07-10 | 1999-12-21 | Ya Chang Water Tower Industry Co Ltd | Improved structure for safe valve of storage electric water heater |
| TW413314U (en) * | 1999-11-03 | 2000-11-21 | Wu Ya Jing | Instantly sensed safe heating module for water heater |
| WO2004038305A1 (en) * | 2002-10-24 | 2004-05-06 | Antonios Theocharis | Electric and solar water-heater supply and relief system |
| CN101650050A (en) * | 2009-09-08 | 2010-02-17 | 黄永生 | Control system of pressure-limiting glass evacuated solar water heater without water tank |
| JP2010121827A (en) * | 2008-11-18 | 2010-06-03 | Housetec Inc | Storage type water heater |
| CN101957051A (en) * | 2010-05-18 | 2011-01-26 | 周剑冰 | Electric water heater |
| CN202484968U (en) * | 2012-03-03 | 2012-10-10 | 潍坊创高信息科技有限公司 | Boiler safety device |
| CN204027006U (en) * | 2014-07-05 | 2014-12-17 | 王锦林 | Energy-conservation reinforcement type plastic liner water heater |
| CN204460738U (en) * | 2015-01-05 | 2015-07-08 | 青岛经济技术开发区海尔热水器有限公司 | A kind of closed electrical water heater |
| CN204574504U (en) * | 2015-05-05 | 2015-08-19 | 广东万家乐空气能科技有限公司 | The press-bearing water tank of double protecting device |
| CN105241067A (en) * | 2015-09-18 | 2016-01-13 | 王凤文 | Full-automatic pressure bearing pressure-free operation system of heat storage water tank of water heater |
| CN206420154U (en) * | 2016-03-09 | 2017-08-18 | 武汉海尔热水器有限公司 | Electric water heater inlet system |
-
2016
- 2016-10-14 CN CN201610901405.1A patent/CN107178907A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW377814U (en) * | 1997-07-10 | 1999-12-21 | Ya Chang Water Tower Industry Co Ltd | Improved structure for safe valve of storage electric water heater |
| TW413314U (en) * | 1999-11-03 | 2000-11-21 | Wu Ya Jing | Instantly sensed safe heating module for water heater |
| WO2004038305A1 (en) * | 2002-10-24 | 2004-05-06 | Antonios Theocharis | Electric and solar water-heater supply and relief system |
| JP2010121827A (en) * | 2008-11-18 | 2010-06-03 | Housetec Inc | Storage type water heater |
| CN101650050A (en) * | 2009-09-08 | 2010-02-17 | 黄永生 | Control system of pressure-limiting glass evacuated solar water heater without water tank |
| CN101957051A (en) * | 2010-05-18 | 2011-01-26 | 周剑冰 | Electric water heater |
| CN202484968U (en) * | 2012-03-03 | 2012-10-10 | 潍坊创高信息科技有限公司 | Boiler safety device |
| CN204027006U (en) * | 2014-07-05 | 2014-12-17 | 王锦林 | Energy-conservation reinforcement type plastic liner water heater |
| CN204460738U (en) * | 2015-01-05 | 2015-07-08 | 青岛经济技术开发区海尔热水器有限公司 | A kind of closed electrical water heater |
| CN204574504U (en) * | 2015-05-05 | 2015-08-19 | 广东万家乐空气能科技有限公司 | The press-bearing water tank of double protecting device |
| CN105241067A (en) * | 2015-09-18 | 2016-01-13 | 王凤文 | Full-automatic pressure bearing pressure-free operation system of heat storage water tank of water heater |
| CN206420154U (en) * | 2016-03-09 | 2017-08-18 | 武汉海尔热水器有限公司 | Electric water heater inlet system |
Non-Patent Citations (1)
| Title |
|---|
| 福建省农村实用技术教材编写组: "《福建省农村实用技术教材 常用家电知识》", vol. 1, 福建教育出版社, pages: 22 * |
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| PB01 | Publication | ||
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Application publication date: 20170919 |