CN108870719A - A kind of storage-type electric water heater - Google Patents
A kind of storage-type electric water heater Download PDFInfo
- Publication number
- CN108870719A CN108870719A CN201710343086.1A CN201710343086A CN108870719A CN 108870719 A CN108870719 A CN 108870719A CN 201710343086 A CN201710343086 A CN 201710343086A CN 108870719 A CN108870719 A CN 108870719A
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- CN
- China
- Prior art keywords
- water heater
- pressure
- water
- expansion drum
- storage
- 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.)
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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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
-
- 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 storage-type electric water heaters, and expansion drum is connected between the water inlet and relief valve of water heater, and expansion drum can play buffer function to the pressure in water heater, a part of water can be kept in simultaneously, excess surface water phenomenon is avoided, environmental sanitation is not influenced, improves user experience；And the water flow kept in expansion drum can be made to return in water heater and efficiently used, save water resource.
Description
Technical field
The present invention relates to technical field of water heaters more particularly to a kind of storage-type electric water heaters.
Background technique
Storage-type closed water heater itself does not have the ability of row pressure at present, is filled by relief valve, the diversion pipe of installation
It sets and carries out row pressure, draining.Standard regulation：It is more than volume that pressure relief device in closed water heater, which should be able to prevent the pressure of container,
Constant-pressure 0.1MPa, i.e. safety valve should be no more than liner rated pressure 0.1MPa.Understand from standard, the volume of our relief valves
Constant-pressure is above liner rated pressure, and pressure is higher than rated pressure and reaches the rated pressure of relief valve just only in water tank
Row pressure can be opened.
Relief valve is mounted between water inlet end and water heater, passes through this pressure release when pressure increases in water heater heating process
Valve is depressurized, drains protection.When the pressure in liner be greater than relief valve leak pressure when, have water droplet and leak from relief valve
Mouthful outflow, does not have floor drain on corresponding ground herein in user family under normal circumstances, ponding, user's body is just had on such ground
The water testing difference, and leaking causes the waste of water resource.
Summary of the invention
The purpose of the present invention is to provide a kind of storage-type electric water heaters, are leaked with solving relief valve existing in the prior art
Caused excess surface water, the technical issues of influencing environmental sanitation and causing water resource waste.
As above design, the technical scheme adopted by the invention is that：
A kind of storage-type electric water heater is connected with expansion drum between the water inlet and relief valve of the water heater.
Wherein, the Preliminary pressure-filled of the expansion drum is between the service pressure of the water heater and rising for the relief valve
It jumps between pressure.
Wherein, when the pressure of the water heater is higher than the Preliminary pressure-filled of the expansion drum, the water of the water heater is flowed into
The expansion drum is until reaching pressure balance.
Wherein, when the pressure of the water heater is higher than the release pressure of the relief valve, the water of the water heater is from institute
State relief valve outflow.
Wherein, when the pressure of the water heater is lower than the pressure of the expansion drum, the water flow of the expansion drum is returned described
Water heater is until reaching pressure balance.
Wherein, the expansion drum includes tank body and the air bag that the tank interior is arranged in, the water level of the expansion drum in
Between the tank body and air bag.
Wherein, gas supplementing opening is provided on the tank body, the gas supplementing opening is communicated with the air bag.
Wherein, the air bag is made of rubber material.
Wherein, filled with inert gas in the air bag.
Wherein, the expansion drum is detachably connected with the water heater.
Beneficial effects of the present invention：
Storage-type electric water heater proposed by the present invention is connected with expansion drum between the water inlet and relief valve of water heater, when
When pressure increase in water heater is to the Preliminary pressure-filled being higher than in expansion drum, the water in water heater flows into expansion drum, in water heater
Pressure reduces, pressure increase in expansion drum, and until reaching pressure balance, expansion drum plays the role of compensator or trimmer pressure, temporary water, keeps away
Exempt from excess surface water phenomenon, do not influenced environmental sanitation, improves user experience；When in the pressure reduction in water heater, water heater
Pressure lower than pressure in expansion drum when, in the water flow backheat hydrophone in expansion drum, pressure reduces in expansion drum, in water heater
Pressure increase makes water be utilized effectively, saves water resource until reaching pressure balance.
Detailed description of the invention
Fig. 1 is the schematic diagram of storage-type electric water heater provided by the invention.
In figure：
1, water heater；2, relief valve；3, expansion drum；4, water inlet pipe；
31, tank body；32, air bag；311, gas supplementing opening.
Specific embodiment
Technical solution of the present invention is further illustrated with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to
Convenient for description, in attached drawing, only the parts related to the present invention are shown and it is not all.
Referring to Fig. 1, a kind of storage-type electric water heater is connected with expansion drum 3 between the water inlet and relief valve 2 of water heater 1.
The Preliminary pressure-filled of expansion drum 3 is between the service pressure of water heater 1 and the release pressure of relief valve 2.
When the hydraulic pressure in water inlet pipe 4 increases or in 1 heating process of water heater, the pressure increase of water heater 1, water heater
When 1 pressure is higher than the Preliminary pressure-filled of expansion drum 3, some flows into expansion drum 3 for the water of water heater 1, and pressure subtracts in water heater 1
It is small, pressure increase in expansion drum 3, until reaching pressure balance.When the pressure of water heater 1 increases again, the pressure of water heater 1 is high
When the pressure of expansion drum 3, the water of water heater 1 and some inflow expansion drum 3, until reaching pressure balance.Expansion drum 3 rises
To the effect of compensator or trimmer pressure, temporary water, excess surface water phenomenon is avoided, environmental sanitation is not influenced, improves user experience.
When the pressure of the water inlet pipe 4 of water heater 1 continues to increase, the pressure of water heater 1 is higher than the pressure of expansion drum 3, hot water
The water of device 1 continues to flow into expansion drum 3, when the pressure of water heater 1 and expansion drum 3 is above the release pressure of relief valve 2, hot water
The water of device 1 is flowed out from relief valve 2.Relief valve 2 plays a certain protective role, and avoids the excessive damage water heater 1 of pressure and expansion
Tank 3.
When the hydraulic pressure reduction in water inlet pipe 4 or the water in water heater 1 contract on cooling, the pressure of water heater 1 reduces, hot water
When the pressure of device 1 is lower than the pressure of expansion drum 3, the water of expansion drum 3 flows into water heater 1, and pressure reduces in expansion drum 3, water heater 1
Middle pressure increase, until reaching pressure balance.So that the water in expansion drum 3 is utilized effectively, saves water resource.
Expansion drum 3 includes tank body 31 and the air bag 32 being arranged in inside tank body 31, flows into the water level in expansion drum 3 in tank body
Between 31 and air bag 32.Filled with inert gas in air bag 32, performance is stablized.In the present embodiment, inert gas is nitrogen.
Gas supplementing opening 311 is provided on tank body 31, gas supplementing opening 311 is communicated with air bag 32.Under normal circumstances, the preliminary filling of air bag 32
Gas has been substituted the bad for the good, and user oneself aerating is not necessarily to, still, when expansion drum 3, which breaks down, to be repaired, it may be necessary to pass through gas supplementing opening
311 carry out tonifying Qi.Or when to 3 annual test of expansion drum, it is also desirable to tonifying Qi is carried out by gas supplementing opening 311, to guarantee that air bag 32 has
There is enough pressure, in order to avoid influence its normal use.
Air bag 32 is made of rubber material, has certain elasticity, long service life.The shape of tank body 31 can be ball
Any one in shape, cylinder or rectangle.The shape of air bag 32 and the shape of tank body 31 match.
Expansion drum 3 is detachably connected with water heater 1.Expansion drum 3 passes through fixed bracket and connect with the water tank of water heater 1.
The structure of expansion drum 3 is simple, small volume, occupies little space, is light-weight.Expansion drum 3 is detachable, when needing to take expansion drum 3
When lower, only the Bolt dismantling between fixed bracket and water tank need to be removed expansion drum 3 convenient for cleaning and maintenance.
Under normal circumstances, air bag 32 is in the state full of gas, when the hydraulic pressure in water inlet pipe 4 increases or in heating process
In, the pressure increase of water heater 1, when the pressure of water heater 1 is higher than the Preliminary pressure-filled of expansion drum 3, the water of water heater 1 is in pressure difference
Effect is lower to flow into expansion drum 3, and when water flows into tank body 31, air bag 32 is squeezed rear volume and becomes smaller pressure rise, Zhi Daoqi
When the pressure of gas and the pressure of the outer water of air bag 32 reach consistent in capsule 32, water is stopped flow into expansion drum 3.
Conversely, the pressure of water heater 1 subtracts when the hydraulic pressure reduction in water inlet pipe 4 or the water in water heater 1 contract on cooling
Small, the pressure of water is lower than when the pressure of gas, the water in expansion drum 3 is extruded into water heater 1 by the expansion of air bag 32, swollen in air bag 32
Pressure reduction in swell 3, pressure increase in water heater 1, until the pressure of gas in air bag 32 and the pressure of the outer water of air bag 32 reach
To consistent, the water in expansion drum 3 is no longer flow into water heater 1, maintains pressure balance.
Embodiment of above only elaborates that the basic principles and features of the invention, the present invention are not limited by above embodiment
System, without departing from the spirit and scope of the present invention, the invention also has various changes and changes, and these changes and changes are all
It falls into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. a kind of storage-type electric water heater, which is characterized in that be connected with expansion between the water inlet and relief valve of the water heater
Tank.
2. storage-type electric water heater according to claim 1, which is characterized in that the Preliminary pressure-filled of the expansion drum is between described
Between the service pressure of water heater and the release pressure of the relief valve.
3. storage-type electric water heater according to claim 2, which is characterized in that when the pressure of the water heater is higher than described swollen
When the Preliminary pressure-filled of swell, the water of the water heater flows into the expansion drum until reaching pressure balance.
4. storage-type electric water heater according to claim 3, which is characterized in that when the pressure of the water heater is higher than described let out
When the release pressure of pressure valve, the water of the water heater is flowed out from the relief valve.
5. storage-type electric water heater according to claim 3, which is characterized in that when the pressure of the water heater is lower than described swollen
When the pressure of swell, the water flow of the expansion drum returns the water heater until reaching pressure balance.
6. storage-type electric water heater according to claim 1-5, which is characterized in that the expansion drum include tank body and
The air bag of the tank interior is set, and the water level of the expansion drum is between the tank body and air bag.
7. storage-type electric water heater according to claim 6, which is characterized in that gas supplementing opening is provided on the tank body, it is described
Gas supplementing opening is communicated with the air bag.
8. storage-type electric water heater according to claim 6, which is characterized in that the air bag is made of rubber material.
9. storage-type electric water heater according to claim 6, which is characterized in that filled with inert gas in the air bag.
10. storage-type electric water heater according to claim 6, which is characterized in that the expansion drum and the water heater are removable
Unload connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343086.1A CN108870719A (en) | 2017-05-16 | 2017-05-16 | A kind of storage-type electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343086.1A CN108870719A (en) | 2017-05-16 | 2017-05-16 | A kind of storage-type electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108870719A true CN108870719A (en) | 2018-11-23 |
Family
ID=64320704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710343086.1A Pending CN108870719A (en) | 2017-05-16 | 2017-05-16 | A kind of storage-type electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108870719A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024084A (en) * | 2016-07-05 | 2016-10-12 | 上海核工程研究设计院 | Water tank support structure |
| WO2021000481A1 (en) * | 2019-07-04 | 2021-01-07 | 青岛海尔智能技术研发有限公司 | Pressure buffer assembly and heat pump system |
| CN112303909A (en) * | 2019-07-29 | 2021-02-02 | 青岛经济技术开发区海尔热水器有限公司 | Heating and hot water supply equipment and heating and hot water supply system |
Citations (4)
| 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 |
| JP2010106883A (en) * | 2008-10-28 | 2010-05-13 | Noritz Corp | Check valve and bath device using the same |
| CN202562053U (en) * | 2012-02-20 | 2012-11-28 | 武汉海尔热水器有限公司 | Water heater with device for preventing safety valve from leaking water |
| CN106642647A (en) * | 2017-03-08 | 2017-05-10 | 中山市亲泉电热水器科技有限公司 | Low-pressure electric water heater |
-
2017
- 2017-05-16 CN CN201710343086.1A patent/CN108870719A/en active Pending
Patent Citations (4)
| 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 |
| JP2010106883A (en) * | 2008-10-28 | 2010-05-13 | Noritz Corp | Check valve and bath device using the same |
| CN202562053U (en) * | 2012-02-20 | 2012-11-28 | 武汉海尔热水器有限公司 | Water heater with device for preventing safety valve from leaking water |
| CN106642647A (en) * | 2017-03-08 | 2017-05-10 | 中山市亲泉电热水器科技有限公司 | Low-pressure electric water heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024084A (en) * | 2016-07-05 | 2016-10-12 | 上海核工程研究设计院 | Water tank support structure |
| WO2021000481A1 (en) * | 2019-07-04 | 2021-01-07 | 青岛海尔智能技术研发有限公司 | Pressure buffer assembly and heat pump system |
| CN112303909A (en) * | 2019-07-29 | 2021-02-02 | 青岛经济技术开发区海尔热水器有限公司 | Heating and hot water supply equipment and heating and hot water supply system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |