CN107421109A - Electric heater and its protection device, control method - Google Patents
Electric heater and its protection device, control method Download PDFInfo
- Publication number
- CN107421109A CN107421109A CN201710870340.3A CN201710870340A CN107421109A CN 107421109 A CN107421109 A CN 107421109A CN 201710870340 A CN201710870340 A CN 201710870340A CN 107421109 A CN107421109 A CN 107421109A
- Authority
- CN
- China
- Prior art keywords
- water
- inner bag
- heating tube
- water outlet
- water inlet
- 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
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- 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
- F24H9/2021—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)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The present invention discloses the protection device and water heater of a kind of electric heater; the electric heater includes inner bag, water inlet pipe, outlet pipe; electric heating tube; controller, the electric heating tube are switched on power circuit by relay, and the relay is connected with controller signals; the inner bag includes water inlet inner bag, water outlet inner bag; the water inlet inner bag is connected in series with water outlet inner bag by anti-electricity wall communicating pipe water route, sets the first electric heating tube in water inlet inner bag, the second electric heating tube is set in water outlet inner bag；The controller is also connected with the water flow sensing unit for detecting water outlet of water heater state, and the controller is used to read water flow sensing unit signal, when obtaining water outlet signal, controls the relay interrupting power circuit of the second electric heating tube；The water inlet inner bag and water outlet inner container insulating.The present invention solves the problems, such as that the power-off of water outlet in the prior art can not ensure to provide sufficient hot water.
Description
Technical field
The present invention relates to electric heater technical field, more particularly to a kind of electric heater and its protection device, control method.
Background technology
Electric heater has the advantages that easy to use, hot water amount is big, firing rate is fast and is loved by people, but electric hot water
The Electrical Safety of device is the focal issue of its design and manufacture all the time.In order to reach purpose safe to use, current electric hot water
Device, which has, sets water outlet power down function, such as Chinese invention patent application（Publication number：CN105627580A）Disclose a kind of electric hot water
Device leakage protection system, including control system, temperature sensor, display, leakage protecting plug, control system is to TEMP
The signal of device feedback is handled and shown over the display；It is also associated with control system Water flow detector and
Power module, the water-flow signal fed back by control system according to Water flow detector control the break-make of leakage protecting plug.It
The water outlet power-off of electric heater is fully achieved, the purpose of safe bathing can be reached, however, its shortcoming is the inner bag when water heater
When water temperature is not up to design temperature, the needs of hot water amount supplies can not be met using water heater by powering off.Water storing electric heating water at present
Device realizes the scheme generally use standby water storage heating of large hot water volume's output, with water speed per hour hot heater work additional heat from
And water heater is exported hot water, therefore, existing water heater is not enough to carry when it enables water outlet power-down mode
For large hot water volume.
On the other hand, when enabling water outlet power-down mode, the speed heat function of water heater is also ineffective.
The content of the invention
It is an object of the invention to overcome the shortcomings of existing for above-mentioned prior art, there is provided a kind of existing water outlet power down function
And can meets that hot water amount exports desired electric heater and its protection device, control method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of protection device of electric heater, the electricity
Water heater includes inner bag, water inlet pipe, outlet pipe, electric heating tube, controller, and the electric heating tube is switched on power electricity by relay
Road, the relay are connected with controller signals, and the inner bag includes water inlet inner bag, water outlet inner bag, and the water inlet inner bag is with going out
Water inner bag is connected in series by anti-electricity wall communicating pipe water route, the first electric heating tube is set in water inlet inner bag, in water outlet inner bag
Second electric heating tube is set；The controller is also connected with the water flow sensing unit for detecting water outlet of water heater state, the control
Device is used to read water flow sensing unit signal, when obtaining water outlet signal, controls the relay deenergization electricity of the second electric heating tube
Road；The water inlet inner bag and water outlet inner container insulating.
The controller is used for when obtaining water outlet signal, controls the relay of the first electric heating tube to switch on power circuit.
The water flow sensing unit was arranged on water feeding of heater pipeline or outlet pipeline or on anti-electricity wall communicating pipe.
The water flow sensing unit is one kind in Hall water flow sensing unit, water flow switch or hydraulic pressure sensor.
The anti-electricity wall communicating pipe is made by insulating materials, connects going out in water inlet inner bag the anti-electricity wall communicating pipe respectively
Water inlet pipe in water pipe, water outlet inner bag.
The water inlet inner bladder outer wall and water outlet inner bladder outer wall set insulation heat preservation layer.
Also include being used to for inner bag to be fixed on fastening assembly on outer cover of water heater, the fastening assembly include insulation every
Part, the insulated spacers are used to make inner bag mutually insulate with outer cover of water heater.
A kind of electric heater, include the protection device of above-mentioned electric heater.
A kind of control method of electric heater, water inlet inner bag is interior to set temperature sensor, and the control method includes following
Step：
Water flow sensing unit signal is read, judges water outlet of water heater state；
When water heater is water state, the second electric heating tube is turned off, and detects the water temperature of water inlet inner bag；
When the default temperature value of temperature value or controller that the water temperature for inner bag of intaking is set less than user, the first electrical heating is connected
The power supply of pipe.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention knows water heater by controller, water flow sensing unit
Use regimen condition,, can be after when disconnecting the electric heating tube of water outlet inner bag and connecting the electric heating tube of water inlet inner bag when going out water state
The water body of continuous heating water inlet inner bag, by selection/adjustment water inlet inner bag heating power, speed heat function can be still realized, so as to
The effect of water outlet powers off is obtained on the premise of a large amount of hot water supplies are ensured, solving the power-off of water outlet in the prior art can not ensure
The problem of sufficient hot water is provided.
Brief description of the drawings
Fig. 1 is electric heater of the present invention and its structural representation of protection device embodiment one.
Fig. 2 is the structural representation of the embodiment of the present invention two.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " front and rear ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should broadly understood, for example, it may be being fixedly connected.Can also be detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
The concrete meaning of invention.
Embodiment one.
As shown in figure 1, a kind of electric heater and its protection device, electric heater includes inner bag（In water inlet inner bag 1, water outlet
Courage 2）, water inlet pipe 3, outlet pipe 4, electric heating tube, controller（It is not shown）, electric heating tube switched on power circuit by relay
（It is not shown）, relay is connected with controller signals, and water inlet inner bag is connected with water outlet inner bag by the water route of anti-electricity wall communicating pipe 10
Connection, the first electric heating tube 7 is set in water inlet inner bag, the second electric heating tube 8 is set in water outlet inner bag；Controller is also connected with
For detecting the water flow sensing unit 9 of water outlet of water heater state, controller is used to read water flow sensing unit signal, believes when obtaining water outlet
Number when, control the second electric heating tube relay interrupting power circuit；Water inlet inner bag and water outlet inner container insulating.Then, hot water is worked as
During device water, the power-off of water outlet inner bag, the water outlet of water heater is not charged, safe and reliable.
Controller is used for when obtaining water outlet signal, controls the relay of the first electric heating tube to switch on power circuit.Therefore,
Even if the electric heating tube of water outlet inner bag is in off position, water inlet inner bag can also provide enough hot water, meet that user uses
The needs of hot water.
Water flow sensing unit is arranged on water feeding of heater pipeline, may also be arranged on outlet pipeline or on anti-electricity wall communicating pipe,
So as to which monitor water heater uses water state.
Water flow sensing unit is one kind in Hall water flow sensing unit, water flow switch or hydraulic pressure sensor.
Anti-electricity wall communicating pipe 10 is made by insulating materials, connects the outlet pipe in water inlet inner bag anti-electricity wall communicating pipe 10 respectively
5th, the water inlet pipe 6 in water outlet inner bag.Consequently, it is possible to even if contingency water inlet inner bag has leaky, it is powered due to two inner container insulatings
Water body can reach the standards for safe use that water outlet electric current is less than 5 milliamperes after the communicating pipe with anti-electric wall construction.In hot water
The anti-electric wall construction used on device uses the anti-electric wall construction of prior art, herein not repeated description.
Water inlet inner bladder outer wall and water outlet inner bladder outer wall set insulation heat preservation layer, and to reduce power consumption, environmental protection and energy saving, inner bag passes through
Fastening assembly is fixedly mounted on outer cover of water heater, and fastening assembly includes an insulated spacers, and insulated spacers are used to make inner bag and heat
The outer shell phase insulation of hydrophone, is prevented conductive between shell and inner bag.
The present invention provides a kind of electric heater of the protection device including above-mentioned electric heater.
The present invention also provides a kind of control method of electric heater, above-mentioned protection device is set in electric heater, in heat
Temperature sensor is set in the water inlet inner bag of hydrophone, and the control method comprises the following steps：
Water flow sensing unit signal is read, judges water outlet of water heater state；
When water heater is water state, the second electric heating tube is turned off, and detects the water temperature of water inlet inner bag；
When the default temperature value of temperature value or controller that the water temperature for inner bag of intaking is set less than user, the first electrical heating is connected
The power supply of pipe.
Embodiment two.
As shown in Fig. 2 it present invention can be suitably applied to Horizontal electric water heater.Water inlet inner bag 1 is located at the bottom of outer cover of water heater, goes out
Water inner bag 2 is located at the top of outer cover of water heater, and the front end of water inlet pipe 3 is provided with water flow sensing unit 9, and outlet pipe 4 is outside water heater
The sidepiece of shell stretches out.First electric heating tube 7 is set in water inlet inner bag 1, the second electric heating tube 8 is set in water outlet inner bag 2, two
Electric heating tube connects power supply circuit by relay, i.e., by the work break-make of Control electric heating tube, relay and control
Device signal is connected, and water inlet inner bag is connected in series with water outlet inner bag by the water route of anti-electricity wall communicating pipe 10, and anti-electricity wall communicating pipe 10 divides
Lian Jie not intake the outlet pipe 5 in inner bag, the water inlet pipe 6 in water outlet inner bag.Remaining structure is identical with embodiment one.
Although an embodiment of the present invention has been shown and described, it will be understood by those within the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent substitution, without creative work improvements introduced etc., all should be included
Within protection scope of the present invention.
Claims (9)
1. a kind of protection device of electric heater, the electric heater includes inner bag, water inlet pipe, outlet pipe, electric heating tube, control
Device, the electric heating tube are switched on power circuit by relay, and the relay is connected with controller signals, it is characterised in that
The inner bag includes water inlet inner bag, water outlet inner bag, and the water inlet inner bag is connected with water outlet inner bag by anti-electricity wall communicating pipe water route
Connection, the first electric heating tube is set in water inlet inner bag, the second electric heating tube is set in water outlet inner bag；The controller also connects
The water flow sensing unit for detecting water outlet of water heater state is connect, the controller is used to read water flow sensing unit signal, works as acquisition
During water outlet signal, the relay interrupting power circuit of the second electric heating tube is controlled；The water inlet inner bag and water outlet inner container insulating.
2. the protection device of electric heater according to claim 1, it is characterised in that the controller is used for when acquisition water outlet
During signal, the relay of the first electric heating tube of control switches on power circuit.
3. the protection device of electric heater according to claim 1 or claim 2, it is characterised in that the water flow sensing unit is arranged on
Water feeding of heater pipeline or outlet pipeline or on anti-electricity wall communicating pipe.
4. the protection device of electric heater according to claim 3, it is characterised in that the water flow sensing unit is Hall current
One kind in sensor, water flow switch or hydraulic pressure sensor.
5. the protection device of electric heater according to claim 4, it is characterised in that the anti-electricity wall communicating pipe is by insulation material
Material is made, and connects the outlet pipe in water inlet inner bag, the water inlet pipe in water outlet inner bag the anti-electricity wall communicating pipe respectively.
6. the protection device of electric heater according to claim 5, it is characterised in that in the water inlet inner bladder outer wall and water outlet
Gall bladder wall sets insulation heat preservation layer.
7. the protection device of electric heater according to claim 6, it is characterised in that also include being used to inner bag being fixed on heat
Fastening assembly on hydrophone shell, the fastening assembly include insulated spacers, and the insulated spacers are used to make inner bag and water heater
Outer shell phase insulation.
8. a kind of electric heater, it is characterised in that include the protection device of any electric heater in claim 1-7.
9. the control method of electric heater according to claim 8, it is characterised in that TEMP is set in water inlet inner bag
Device, the control method comprise the following steps：
Water flow sensing unit signal is read, judges water outlet of water heater state；
When water heater is water state, the second electric heating tube is turned off, and detects the water temperature of water inlet inner bag；
When the default temperature value of temperature value or controller that the water temperature for inner bag of intaking is set less than user, the first electrical heating is connected
The power supply of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870340.3A CN107421109A (en) | 2017-09-23 | 2017-09-23 | Electric heater and its protection device, control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870340.3A CN107421109A (en) | 2017-09-23 | 2017-09-23 | Electric heater and its protection device, control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107421109A true CN107421109A (en) | 2017-12-01 |
Family
ID=60435800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710870340.3A Withdrawn CN107421109A (en) | 2017-09-23 | 2017-09-23 | Electric heater and its protection device, control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107421109A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679853A (en) * | 2018-07-20 | 2018-10-19 | 中铁十局集团第二工程有限公司 | Device for preventing electrical shock of electric water heater and electric heater |
| CN109945477A (en) * | 2019-02-21 | 2019-06-28 | 中山市启库五金电器有限公司 | A kind of laser water heater |
| CN113063228A (en) * | 2021-04-30 | 2021-07-02 | 珠海格力电器股份有限公司 | Control method and control device of water heater and water heater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003194399A (en) * | 2001-12-27 | 2003-07-09 | Hitachi Housetec Co Ltd | Electric water heater with shut-off valve for water filling |
| CN204693778U (en) * | 2015-03-31 | 2015-10-07 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN107036275A (en) * | 2015-07-16 | 2017-08-11 | 广东威博电器有限公司 | Vertical double-liner increase-volume electric heater and its control method |
| CN207162925U (en) * | 2017-09-23 | 2018-03-30 | 广东威博电器有限公司 | Electric heater and its protection device |
-
2017
- 2017-09-23 CN CN201710870340.3A patent/CN107421109A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003194399A (en) * | 2001-12-27 | 2003-07-09 | Hitachi Housetec Co Ltd | Electric water heater with shut-off valve for water filling |
| CN204693778U (en) * | 2015-03-31 | 2015-10-07 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN107036275A (en) * | 2015-07-16 | 2017-08-11 | 广东威博电器有限公司 | Vertical double-liner increase-volume electric heater and its control method |
| CN207162925U (en) * | 2017-09-23 | 2018-03-30 | 广东威博电器有限公司 | Electric heater and its protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679853A (en) * | 2018-07-20 | 2018-10-19 | 中铁十局集团第二工程有限公司 | Device for preventing electrical shock of electric water heater and electric heater |
| CN109945477A (en) * | 2019-02-21 | 2019-06-28 | 中山市启库五金电器有限公司 | A kind of laser water heater |
| CN113063228A (en) * | 2021-04-30 | 2021-07-02 | 珠海格力电器股份有限公司 | Control method and control device of water heater and water heater |
| CN113063228B (en) * | 2021-04-30 | 2022-04-19 | 珠海格力电器股份有限公司 | Control method and control device of water heater and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171201 |
|
| WW01 | Invention patent application withdrawn after publication |