CN108870754A - A kind of storage-type electric water heater - Google Patents
A kind of storage-type electric water heater Download PDFInfo
- Publication number
- CN108870754A CN108870754A CN201710343075.3A CN201710343075A CN108870754A CN 108870754 A CN108870754 A CN 108870754A CN 201710343075 A CN201710343075 A CN 201710343075A CN 108870754 A CN108870754 A CN 108870754A
- Authority
- CN
- China
- Prior art keywords
- water heater
- pressure
- expansion drum
- relief valve
- 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.)
- Pending
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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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
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 the first pressure release valve outlet for accessing the water heater import connects an expansion drum, and the water heater import is taken back after a check valve, and the second relief valve is arranged on the expansion drum.Expansion drum plays the role of compensator or trimmer pressure, temporary water, avoids excess surface water phenomenon, does not influence environmental sanitation, improves user experience.Second relief valve plays a protective role to water heater and expansion drum.
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 has water droplet drain port outside relief valve greater than relief valve when leaking and being worth
Outflow does not have floor drain on corresponding ground herein in user family under normal circumstances, ponding, user experience is just had on such ground
Difference, and cause 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, the first pressure release valve outlet for accessing the water heater import connects an expansion drum, and passes through
The water heater import is taken back after one check valve, and the second relief valve is set on the expansion drum.
Wherein, the release pressure of second relief valve is water heater maximum working pressure (MWP), and first relief valve rises
Jump pressure between the service pressure and the second relief valve release pressure of the water heater, the expansion drum it is pre-
Pressurising power is less than the release pressure of first relief valve.
Wherein, when the pressure of the water heater is higher than the release pressure of first relief valve, the water of the water heater
The expansion drum is flowed into, until the pressure of the water heater is not higher than the release pressure of first relief valve.
When the pressure of the water heater and expansion drum is above the release pressure of first relief valve and lower than described the
When the release pressure of two relief valves, the water heater and the expansion drum reach pressure balance.
Wherein, when the pressure of the expansion drum is higher than the release pressure of second relief valve, the water of the expansion drum
It is flowed out from second relief valve.
Wherein, when the pressure of the water heater is lower than the pressure of the expansion drum, the water of the expansion drum passes through described
Check valve flows back to the water heater 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, second relief valve is located on the tank body.
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, filled with inert gas in the air bag.
Wherein, the expansion drum is detachably connected with the water heater.
Storage-type electric water heater proposed by the present invention accesses one expansion of the first pressure release valve outlet connection of the water heater import
Tank, and it is followed by backheat hydrophone import through a check valve, the second relief valve is set on expansion drum.When the pressure of water heater is higher than first
When the release pressure of relief valve, the water of water heater flows into expansion drum, until the pressure of the water heater is let out not higher than described first
The release pressure or water heater and expansion drum of pressure valve reach pressure balance, and expansion drum plays the role 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 water heater is lower than the pressure of expansion drum
When power, the water of expansion drum flows back to water heater until reaching pressure balance by check valve, so that water is utilized effectively, saves water money
Source.When the pressure of water heater is higher than the release pressure of the second relief valve, the water of expansion drum is flowed out from the second relief valve, avoids pressing
The excessive damage water heater of power and expansion drum.
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, the first relief valve；3, expansion drum；4, check valve；5, the second relief valve；6, 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, the embodiment of the present invention provides a kind of storage-type electric water heater, and access 1 import of water heater first lets out
One expansion drum 3 of the outlet of pressure valve 2 connection, and it is followed by 1 import of backheat hydrophone through a check valve 4, second relief valve is set on expansion drum 3
5.The release pressure of second relief valve 5 is 1 maximum working pressure (MWP) of water heater, and the release pressure of the first relief valve 2 is between water heater 1
5 release pressure of service pressure and the second relief valve between, the Preliminary pressure-filled of expansion drum 3 rises less than the first relief valve 2
Jump pressure.
When the hydraulic pressure in water inlet pipe 6 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 release pressure of the first relief valve 2, some flows into expansion drum 3 for the water flow of water heater 1, in water heater 1
Pressure reduces, pressure increase in expansion drum 3, until the pressure of water heater 1 is not higher than the release pressure of the first relief valve 2.Expansion
Tank 3 plays the role of compensator or trimmer pressure, temporary water, avoids excess surface water phenomenon, does not influence environmental sanitation, improves user's body
It tests.
If the pressure in water inlet pipe 6 continues growing, the pressure of water heater 1 is caused to continue growing, the water in water heater 1 is logical
It crosses the first relief valve 2 and flows into expansion drum 3, when the pressure in the pressure and expansion drum 3 in water heater 1 is all larger than the first relief valve 2
Release pressure and when less than the release pressure of the second relief valve 5, the pressure in pressure and expansion drum 3 in water heater 1 reaches
Pressure balance.
If the pressure in water inlet pipe 6 continues growing, the pressure of water heater 1 is caused to continue growing, the pressure of expansion drum 3 is high
When the release pressure of the second relief valve 5, the water of expansion drum 3 is flowed out from the second relief valve 5.Second relief valve 5 plays certain
Protective effect avoids the excessive damage water heater 1 of pressure and expansion drum 3.
When the hydraulic pressure reduction in water inlet pipe 6 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 back to water heater 1 by check valve 4 puts down until reaching pressure
Weighing apparatus, makes water be utilized effectively, and 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, the second relief valve 5 is located on tank body 31.Filled with inert gas in air bag 32, performance is stablized.In this implementation
In example, 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 6 increases or in heating process
In, the pressure increase of water heater 1, when the pressure of water heater 1 is higher than the release pressure of the first relief valve 2, the water of water heater 1 is flowed into
Expansion drum 3, when water flows into tank body 31, air bag 32 is squeezed rear volume and becomes smaller pressure rise, until the pressure of water heater 1
Not higher than the first relief valve 2 release pressure when, the first relief valve 2 is closed, and the water in water heater 1 is no longer flow into expansion drum 3.
Conversely, the pressure of water heater 1 subtracts when the hydraulic pressure reduction in water inlet pipe 6 or the water in water heater 1 contract on cooling
Small, when the pressure of water heater 1 is lower than the pressure in expansion drum 3, the expansion of air bag 32 squeezes the water in expansion drum 3 by check valve 4
Into water heater 1, pressure reduction in expansion drum 3, pressure increase in water heater 1, until the pressure and water heater 1 in expansion drum 3
In pressure reach unanimously, the water in expansion drum 3 is no longer flow into water heater 1, maintain 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 the first pressure release valve outlet connection one for accessing the water heater import is swollen
Swell, and the water heater import is taken back after a check valve, the second relief valve is set on the expansion drum.
2. storage-type electric water heater according to claim 1, which is characterized in that the release pressure of second relief valve is heat
Hydrophone maximum working pressure (MWP), the release pressure of first relief valve is between the service pressure of the water heater and described
Between two relief valve release pressures, the Preliminary pressure-filled of the expansion drum is less than the release pressure of first 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 the
When the release pressure of one relief valve, the water of the water heater flows into the expansion drum, until the pressure of the water heater is not higher than
The release pressure of first relief valve.
4. storage-type electric water heater according to claim 3, which is characterized in that when the pressure of the water heater and expansion drum is equal
Higher than first relief valve release pressure and when being lower than the release pressure of second relief valve, the water heater and described
Expansion drum reaches pressure balance.
5. storage-type electric water heater according to claim 4, which is characterized in that when the pressure of the expansion drum is higher than described the
When the release pressure of two relief valves, the water of the expansion drum is flowed out from second relief valve.
6. 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 of the expansion drum flows back to the water heater until reaching pressure balance by the check valve.
7. storage-type electric water heater according to claim 1-6, 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, second relief valve
On the tank body.
8. storage-type electric water heater according to claim 7, 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.
9. storage-type electric water heater according to claim 7, which is characterized in that the air bag is made of rubber material, described
Filled with inert gas in air bag.
10. storage-type electric water heater according to claim 7, 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 |
|---|---|---|---|
| CN201710343075.3A CN108870754A (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 |
|---|---|---|---|
| CN201710343075.3A CN108870754A (en) | 2017-05-16 | 2017-05-16 | A kind of storage-type electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108870754A true CN108870754A (en) | 2018-11-23 |
Family
ID=64320510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710343075.3A Pending CN108870754A (en) | 2017-05-16 | 2017-05-16 | A kind of storage-type electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108870754A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285643A (en) * | 2019-06-12 | 2019-09-27 | 宁波普锐明汽车零部件有限公司 | Thermal-arrest warms up the pre-heating mean of mould equipment and its working method and mold |
| CN111501916A (en) * | 2020-04-25 | 2020-08-07 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank with gas compensation device |
| CN111811150A (en) * | 2020-07-22 | 2020-10-23 | 山东兰动智能科技有限公司 | Solar water heater with conducting liquid separator device and using method |
| 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 |
| WO2023180494A1 (en) * | 2022-03-23 | 2023-09-28 | Grohe Ag | Hot-water device for a sanitary fitting and sanitary fitting having a hot-water device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02157567A (en) * | 1988-12-12 | 1990-06-18 | Hosoyama Nekki Kk | Drain break device for water boiler |
| EP0916909A1 (en) * | 1997-11-17 | 1999-05-19 | Guy Ciret | Economiser for water heater |
| CN201697315U (en) * | 2010-05-19 | 2011-01-05 | 康佳集团股份有限公司 | Water heater |
| 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 |
| CN103615588A (en) * | 2013-11-25 | 2014-03-05 | 罗彬� | Water consumption control device |
| CN104748382A (en) * | 2013-12-27 | 2015-07-01 | 3M新设资产公司 | Buffer box for heating equipment |
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-
2017
- 2017-05-16 CN CN201710343075.3A patent/CN108870754A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02157567A (en) * | 1988-12-12 | 1990-06-18 | Hosoyama Nekki Kk | Drain break device for water boiler |
| EP0916909A1 (en) * | 1997-11-17 | 1999-05-19 | Guy Ciret | Economiser for water heater |
| CN201697315U (en) * | 2010-05-19 | 2011-01-05 | 康佳集团股份有限公司 | Water heater |
| 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 |
| CN103615588A (en) * | 2013-11-25 | 2014-03-05 | 罗彬� | Water consumption control device |
| CN104748382A (en) * | 2013-12-27 | 2015-07-01 | 3M新设资产公司 | Buffer box for heating equipment |
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Non-Patent Citations (1)
| Title |
|---|
| 王付全: "《建筑设备》", 31 January 2005, 武汉理工大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285643A (en) * | 2019-06-12 | 2019-09-27 | 宁波普锐明汽车零部件有限公司 | Thermal-arrest warms up the pre-heating mean of mould equipment and its working method and mold |
| 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 |
| CN111501916A (en) * | 2020-04-25 | 2020-08-07 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank with gas compensation device |
| CN111811150A (en) * | 2020-07-22 | 2020-10-23 | 山东兰动智能科技有限公司 | Solar water heater with conducting liquid separator device and using method |
| CN111811150B (en) * | 2020-07-22 | 2021-12-07 | 山东兰动智能科技有限公司 | Solar water heater with conducting liquid separator device and using method |
| WO2023180494A1 (en) * | 2022-03-23 | 2023-09-28 | Grohe Ag | Hot-water device for a sanitary fitting and sanitary fitting having a hot-water device |
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| 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 |