CN109654727A - A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions - Google Patents
A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions Download PDFInfo
- Publication number
- CN109654727A CN109654727A CN201811633339.XA CN201811633339A CN109654727A CN 109654727 A CN109654727 A CN 109654727A CN 201811633339 A CN201811633339 A CN 201811633339A CN 109654727 A CN109654727 A CN 109654727A
- Authority
- CN
- China
- Prior art keywords
- electric heater
- liner
- electrification
- alarming device
- detection functions
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- 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
-
- 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)
- Control Of Resistance Heating (AREA)
Abstract
The present invention discloses a kind of electric heater with earth leakage detection functions, comprising: liner, the power supply line connecting with the liner, the power supply line include firewire, zero curve and ground wire；It is characterized in that, being connected with liner electrification alarming device between the liner and the zero curve.The present invention charges alarming device by connecting liner between liner and zero curve, field worker installation is not needed, warning effect less depends on wall electric conductivity, and meeting automatic warning device, meets user security bathing demand when realizing electric heater electric leakage or ground wire electrification.Meanwhile retaining outside traditional ground wire electrification and electric heater leakage warning function, the abnormal alarm function of electric heater power-off can also be increased, be user's safer household electricity and bathe surrounding.The present invention also provides a kind of electric heater electrical leakage detecting methods.
Description
Technical field
The present invention relates to electric heater technical field more particularly to a kind of electric heater with earth leakage detection functions and its leakages
Electric detection method.
Background technique
When in the prior art, to monitor electric heater electric leakage or ground wire electrification, common practice is by external in industry
Electric leakage prompts circuit to remind user power utilization abnormal.As shown in Figure 1, it discloses a kind of electric heater earth detector, make interior
Circuit is constituted between gallbladder, alarm unit and installation wall, when electric heater electric leakage or ground wire electrification, electric current will pass through liner
Alarm unit is flowed to, and so that it is shone and is prompted.
However, the implementation of the program not only needs to install by installer, it is also necessary to ensure that wall humidity cannot be too low, it is no
Then when machine has electric leakage, wall declines electric conductivity because excessively drying, to influence the suggesting effect of alarm unit.Together
When, the implementation of the program is easy to allow worker to lead to the forfeiture of electric leakage prompting function because the carelessness of work is not installed.
Summary of the invention
Aiming at the problems existing in the prior art, simple, easy to install and use and electric leakage that it is an object of the invention to structures
Detect comprehensive electric heater.
The present invention also provides a kind of electric heater electrical leakage detecting methods.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of electric heater with earth leakage detection functions, comprising: liner, the power supply line being connect with the liner, the electricity
Source line includes firewire, zero curve and ground wire；It is characterized in that, being connected with liner electrification warning between the liner and the zero curve
Device.
As a further illustration of the above scheme, liner electrification alarming device include the neon bulb lamp being cascaded and
Resistance.
As a further illustration of the above scheme, being connected with three poles on the power supply line disconnects device, described three is extremely disconnected
The connection of the control system of opening apparatus and electric heater, the electrification alarming device are connect with the control system, the control system
System controls three pole according to the signal of the electrification alarming device feedback and disconnects three poles that device disconnects the power supply line.
As a further illustration of the above scheme, the resistance value of the resistance is between 10-1000k Ω.
As a further illustration of the above scheme, the corresponding neon bulb lamp is equipped with light-sensitive element, the light-sensitive element and institute
It states neon bulb lamp and collectively constitutes photoelectric converter, the control system connection of the photoelectric converter and electric heater.
As a further illustration of the above scheme, the light-sensitive element is photo resistance, photodiode or photosensitive three pole
Pipe.
As a further illustration of the above scheme, the liner electrification alarming device includes capacitor, the capacitor
With the neon bulb lamp and the resistor coupled in parallel.
A kind of electric heater electrical leakage detecting method, which is characterized in that between the liner and zero curve of electric heater in connection
Gallbladder charges alarming device, when ground wire electrification, ground wire grounded unqualified or firewire disconnect and zero curve does not disconnect, will in liner and
Voltage difference is formed between zero curve, to make liner electrification alarming device work, issues leakage-current alarm signal.
As a further illustration of the above scheme, the leakage-current alarm signal is to charge alarming device by lighting liner
Neon bulb lamp is realized.
As a further illustration of the above scheme, photoelectric converter, electric heating is arranged in the corresponding liner electrification alarming device
The control system of hydrophone receives the signal of the photoelectric converter, and controls electric heater power-off according to the signal.
The beneficial effects of the present invention are:
One, alarming device is charged by connecting liner between liner and zero curve, does not need field worker installation, alarm effect
Fruit less depends on wall electric conductivity, and meeting automatic warning device, meets user when realizing electric heater electric leakage or ground wire electrification
Safe bathing demand.Meanwhile retaining outside traditional ground wire electrification and electric heater leakage warning function, electric hot water can also be increased
The abnormal alarm function of device power-off is user's safer household electricity and bathe surrounding.
Two, device is disconnected by the way that three poles are arranged on the power line, and liner is charged into alarming device and three poles disconnection device
Connection, three pole of power supply of electric heater is disconnected when charging alarming device and issuing leakage-current alarm signal automatically, and safety is more preferable.
Three, electric heater electrical leakage detecting method provided by the invention, by being installed additional between inner container of electric water heater and zero curve
Liner charges alarming device, when ground wire electrification, ground wire grounded unqualified or firewire disconnect and zero curve does not disconnect, can be leaked
Electric alarm, earth leakage detection functions multiplicity, effectively improves the safety of electric heater.
Detailed description of the invention
Fig. 1 show existing electric heater detection of electrical leakage structural schematic diagram.
Fig. 2 show the electric heater structural schematic diagram of the offer of the embodiment of the present invention one.
Fig. 3 show electric heater structural schematic diagram provided by Embodiment 2 of the present invention.
Description of symbols:
1: liner, 2: firewire, 3: zero curve, 4: ground wire, 5: liner electrification alarming device, 6: three poles disconnection device, 7: control
System, 8: light-sensitive element.
5-1: neon bulb lamp, 5-2: resistance.
Specific embodiment
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to mechanical connect
It connects；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" may include
First and second features directly contact, also may include fisrt feature and second feature be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right above two features and oblique upper, or be only to indicate that first feature horizontal height is higher than the height of second feature.Fisrt feature
Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table
Show first feature horizontal height lower than second feature.
Below with reference to the attached drawing of specification, a specific embodiment of the invention is further described, is made of the invention
Technical solution and its benefits are clearer.It describes embodiment below with reference to attached drawing to be exemplary, it is intended to solve
The present invention is released, and is not considered as limiting the invention.
Embodiment one
As shown in Fig. 2, a kind of electric heater with earth leakage detection functions, comprising: liner 1, the electricity being connect with the liner 1
Source line, the power supply line include firewire 2, zero curve 3 and ground wire 4；It is characterized in that, connecting between the liner 1 and the zero curve 3
It is connected to liner electrification alarming device 5.
Wherein, the liner electrification alarming device 5 includes the neon bulb lamp 5-1 and resistance 5-2 being cascaded.The resistance
The resistance value of 5-2 is between 140k-10M Ω.
When connection is normal, ground wire 4 is grounded well, and zero curve 3 and 4 voltage of ground wire are almost nil, because of the work of resistance 5-2
With electric current will not flow to ground wire 4 from zero curve 3 by the alarming device 5, and the alarming device 5 will not issue alarm signal.
When 4 poor contact of ground wire, while the electric leakage of other household electrical appliance or heat-generating pipe leak electricity, when ground wire 4 being caused to charge, ground wire
There will be voltage between 4 and zero curve 3, electric current is flowed to by ground wire 4 by the neon bulb lamp 5-1 and resistance 5-2 of the alarming device 5
Zero curve 3, forming circuit, neon bulb lamp 5-1 can be lighted at this time, be served as warning.
When occurring, power-off is abnormal, i.e., zero curve 3 disconnects, and when firewire 2 is there is no disconnecting, electric current will be filled by the warning
It sets 5 and flows to ground wire 4.Meanwhile resistance 5-2 one very big and neon bulb lamp 5-1 operating current very little because the alarming device 5 is connected
Characteristic, the neon bulb lamp 5-1 in the alarming device 5 can be lit at this time, but electric current very little, not will form dangerous electric current and returns
Road.
When ground wire 4 is grounded unqualified, ground wire 4 will there are potential differences with zero curve 3, open when potential difference reaches neon bulb lamp 5-1
When dynamic voltage, electric current flows to ground wire 4 through alarming device 5 from zero curve 3, and the neon bulb lamp 5-1 in the alarming device 5 can be by point at this time
It is bright, it serves as warning.
A kind of electric heater with earth leakage detection functions provided in this embodiment, by being connected between liner 1 and zero curve 3
Liner charges alarming device 5, does not need field worker installation, and warning effect less depends on wall electric conductivity, realizes electric heating
Meeting automatic warning device, meets user security bathing demand when hydrophone electric leakage or ground wire electrification.Meanwhile retaining traditionally tape
Outside electricity and electric heater leakage warning function, the abnormal alarm function of electric heater power-off can also be increased, be that user is safer
Household electricity and bathe surrounding.
Embodiment two
As shown in figure 3, a kind of electric heater with earth leakage detection functions provided in this embodiment, structure and embodiment one
Almost the same, difference is, three poles are connected on the power supply line and disconnect device 6, three pole disconnects device 6 and electric hot water
The control system 7 of device connects, and the electrification alarming device 5 is connect with the control system 7, and the control system 7 is according to described
The signal that electrification alarming device 5 is fed back controls three pole and disconnects three poles that device 6 disconnects the power supply line, further increases electricity
Water heater using safe.
In the present embodiment, it is described electrification alarming device 5 and the control system 7 between connection by photoelectric converter come
It realizes.The corresponding neon bulb lamp 5-1 is equipped with light-sensitive element 8, and the light-sensitive element 8 and neon bulb lamp 5-1 collectively constitutes photoelectricity
Converter.The light-sensitive element can be photo resistance, photodiode or phototriode.
Embodiment three
A kind of electric heater with earth leakage detection functions provided in this embodiment, structure and embodiment one are almost the same,
Difference is that the liner electrification alarming device includes capacitor, and the capacitor and the neon bulb lamp and the resistance are simultaneously
Connection.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office
It is limited to above-mentioned specific embodiment, this hair is all fallen within using the improvement of techniques well known and substitution on the basis of the present invention
Bright protection scope, protection scope of the present invention should limit it by each claim and its equivalent.In specific embodiment
The part not illustrated is the prior art or common knowledge.
Claims (10)
1. a kind of electric heater with earth leakage detection functions, comprising: liner, the power supply line being connect with the liner, the power supply
Line includes firewire, zero curve and ground wire；It is characterized in that, being connected with liner electrification warning dress between the liner and the zero curve
It sets.
2. a kind of electric heater with earth leakage detection functions according to claim 1, which is characterized in that the liner electrification
Alarming device includes the neon bulb lamp and resistance being cascaded.
3. a kind of electric heater with earth leakage detection functions according to claim 1, which is characterized in that in the power supply line
On be connected with three poles and disconnect device, three pole disconnects device and the control system of electric heater connects, and the electrification warning fills
It sets and is connect with the control system, the control system is extremely disconnected according to the signal control described three that the electrification alarming device is fed back
Opening apparatus disconnects three poles of the power supply line.
4. a kind of electric heater with earth leakage detection functions according to claim 2, which is characterized in that the resistance of the resistance
Value is between 140K-10M Ω.
5. a kind of electric heater with earth leakage detection functions according to claim 2, which is characterized in that the corresponding neon bulb
Lamp is equipped with light-sensitive element, and the light-sensitive element and the neon bulb lamp collectively constitute photoelectric converter, the photoelectric converter and electricity
The control system of water heater connects.
6. a kind of electric heater with earth leakage detection functions according to claim 5, which is characterized in that the light-sensitive element
For photo resistance, photodiode or phototriode.
7. a kind of electric heater with earth leakage detection functions according to claim 2, which is characterized in that the liner electrification
Alarming device includes capacitor, the capacitor and the neon bulb lamp and the resistor coupled in parallel.
8. a kind of electric heater electrical leakage detecting method, which is characterized in that connect liner between the liner and zero curve of electric heater
Alarming device is charged, it, will be in liner and zero when ground wire electrification, ground wire grounded unqualified or firewire disconnect and zero curve does not disconnect
Voltage difference is formed between line, to make liner electrification alarming device work, issues leakage-current alarm signal.
9. a kind of electric heater electrical leakage detecting method according to claim 8, which is characterized in that the leakage-current alarm signal
It is to be realized by lighting the neon bulb lamp of liner electrification alarming device.
10. a kind of electric heater electrical leakage detecting method according to claim 9, which is characterized in that the corresponding liner band
Photoelectric converter is arranged in electric alarming device, and the control system of electric heater receives the signal of the photoelectric converter, and according to this
Signal controls electric heater power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633339.XA CN109654727A (en) | 2018-12-29 | 2018-12-29 | A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633339.XA CN109654727A (en) | 2018-12-29 | 2018-12-29 | A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109654727A true CN109654727A (en) | 2019-04-19 |
Family
ID=66116949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811633339.XA Pending CN109654727A (en) | 2018-12-29 | 2018-12-29 | A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654727A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123152A (en) * | 2019-12-31 | 2020-05-08 | 安徽省宁国市美尔电器有限公司 | Device for detecting whether electric leakage exists in seat ring heater |
| CN111397218A (en) * | 2020-04-15 | 2020-07-10 | 天津苗花生活用品有限公司 | External automatic power-off equipment of water heater |
| CN113758012A (en) * | 2021-08-10 | 2021-12-07 | 广东万家乐燃气具有限公司 | Double-ground wire fixing device for electric water heater and electric water heater |
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| CN206865128U (en) * | 2017-05-26 | 2018-01-09 | 姚木新 | A kind of electric heater proof and electric leakage-proof safety system |
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| CN209877347U (en) * | 2018-12-29 | 2019-12-31 | 广东万家乐燃气具有限公司 | Electric water heater with electric leakage detection function |
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| US20060126244A1 (en) * | 2004-12-10 | 2006-06-15 | Hon Hai Precision Industry Co., Ltd. | Protective apparatus |
| CN201032285Y (en) * | 2007-03-01 | 2008-03-05 | 海尔集团公司 | Electric water heater with ground wire live alarm protective equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123152A (en) * | 2019-12-31 | 2020-05-08 | 安徽省宁国市美尔电器有限公司 | Device for detecting whether electric leakage exists in seat ring heater |
| CN111397218A (en) * | 2020-04-15 | 2020-07-10 | 天津苗花生活用品有限公司 | External automatic power-off equipment of water heater |
| CN113758012A (en) * | 2021-08-10 | 2021-12-07 | 广东万家乐燃气具有限公司 | Double-ground wire fixing device for electric water heater and electric water heater |
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