CN205939715U - Electroshock preventing device for electric water heater - Google Patents
Electroshock preventing device for electric water heater Download PDFInfo
- Publication number
- CN205939715U CN205939715U CN201620778333.1U CN201620778333U CN205939715U CN 205939715 U CN205939715 U CN 205939715U CN 201620778333 U CN201620778333 U CN 201620778333U CN 205939715 U CN205939715 U CN 205939715U
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- CN
- China
- Prior art keywords
- circuit
- water
- water heater
- plug
- power
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an electroshock preventing device for electric water heater, including the plug 1 of taking the electrical shutoff control device, cable extension water joint 2, water proof socket -outlet 3, water heater 4, rivers signal detection and alarm device 15, the plug 1 of wherein taking the electrical shutoff control device is by plug 5, the relay contact 6, relay control circuit 7 constitutes, relay control circuit is by power supply circuit, electric leakage detection circuit, relay drive circuit, rivers signal reception circuit, electric leakage alarm signal transmission circuit constitutes, rivers signal detection and alarm device 15 install the delivery port at water heater 4, when having the rivers signal, then with 6 disconnections of relay contact, when electric leakage detection circuit detects water heater 4 and has the electric leakage, 6 disconnections of relay contact, and simultaneously, alarm indicator 14 on rivers signal detection and the alarm device 15 lights.
Description
Technical field
The utility model is related to a kind of device for preventing electrical shock of electric water heater that conveniently can install additional on existing water heater.
Background technology
At present, electric heater is as a kind of very convenient household electrical appliance, using especially extensive, but due to electric heater
The contact accident causing also often has generation.There is the water heater typically all service life of contact accident for a long time, water heater state
Bad, cause leak electricity, also have plenty of due to installation environment very poor, install be not inconsistent standardization, be fitted without the reasons such as ground wire and cause
Electric leakage.
Content of the invention
For solving the above problems, the utility model provides one kind can conveniently be installed on existing water heater, can effectively prevent
The contact accident that a variety of causes causes.
For reaching above-mentioned purpose, the utility model employs technical scheme below.
A kind of device for preventing electrical shock of electric water heater, including the plug 1 with power-down control device, cable extension water joint 2, prevents
Water inlet socket 3, water heater 4, the plug 1 wherein with power-down control device is by plug 5, relay contact 6, control relay circuit 7
Composition, control relay circuit is by power circuit, electric-leakage detection circuit, relay drive circuit, water-flow signal receiving circuit, leakage
Electric alarm signal sending circuit forms.
A kind of device for preventing electrical shock of electric water heater, also includes water-flow signal detection and warning device 15, it is sent out by water-flow signal
Emitter 8, normal work instruction 9, Waterproof battery case 10, current detection water wheels 11, universal contact 12, standard copper sleeve 13, danger
Indicator lamp 14 grade forms.
The beneficial effects of the utility model are in that context it may be convenient to install use additional on existing old water heater, when someone makes
When using water heater, circuit is disconnected by the plug inside relay with power-down control device, prevents from getting an electric shock；When electric-leakage detection circuit inspection
Measure outer cover of water heater powered when, also circuit can be disconnected, concurrently send alarm signal, it is to avoid occur electric shock accidents.
Brief description
Accompanying drawing 1 is device for preventing electrical shock of electric water heater power off socket structure chart.
Accompanying drawing 2 is the detection of device for preventing electrical shock of electric water heater water-flow signal and warning device structure chart.
Accompanying drawing 3 is device for preventing electrical shock of electric water heater control relay circuit composition frame chart.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1, accompanying drawing 3, a kind of device for preventing electrical shock of electric water heater, including the plug 1 with power-down control device, electricity
Cable extends water joint 2, waterproof socket 3, water heater 4, and the plug 1 wherein with power-down control device is by plug 5, relay contact
6th, control relay circuit 7 forms, and each part of the plug 1 with power-down control device is encapsulated in an overall plug
Face, it uses cable connection and waterproof socket 3 between, cable middle setting cable extension water joint 2, when being not provided with bathroom
During socket, it is possible to use extended line power taking from the socket of bathroom annex, during use, plug 1 grafting with power-down control device
On room socket, water heater plug is plugged in waterproof socket 3.Control relay circuit 7 is by power circuit, detection of electrical leakage electricity
Road, relay drive circuit, water-flow signal receiving circuit, leakage-current alarm signal sending circuit composition, power circuit is from socket electricity
Road power taking, powers to relay drive circuit after rectified pressure regulation, and electric-leakage detection circuit is connected with the earthing pole of waterproof socket 3,
When water heater plug is inserted in waterproof socket 3, electric-leakage detection circuit is detected outside water heater by the earthing pole of water heater socket
Whether shell is powered, and relay drive circuit drives the actuating of relay as needed, and water-flow signal receiver receives water-flow signal inspection
Survey and the water-flow signal of warning device transmission, then control relay drive circuit disconnection relay contact 6, leakage-current alarm signal is sent out
After power transmission road receives the electric leakage signal of electric-leakage detection circuit, control relay drive circuit disconnect relay contact 6, simultaneously to
Water-flow signal detection and warning device send alarm signal, light risk indicating lamp 14.
As shown in Figure 3, a kind of device for preventing electrical shock of electric water heater, including in water heater（4）Delivery port install current
Signal detection and warning device（15）, it is detected water wheels 11, is wherein existed by water-flow signal transmitter 8, Waterproof battery case 10, current
Water-flow signal detection and warning device（15）The standard copper sleeve 13 of intake-outlet on, be provided with universal contact 12, in current
On the shell of signal projector 8, side is provided with green normal work instruction 9, and opposite side is provided with red risk indicating lamp 14.
Water-flow signal detection and warning device are arranged on the delivery port of water heater, if delivery port is standard interface, take off omnipotent connecing
12, it is attached with standard copper sleeve 13, if not standard thread interface, be then attached using universal contact 12.Anti-
Placing common No. 7 batteries in water battery box 10 is that water-flow signal detects and warning device is powered, after water heater is disconnected power supply,
Guarantee that device can also normal work.When someone uses water heater, current drive water wheels to rotate, thus detecting water-flow signal,
Water-flow signal transmitter 8 sends a signal to the water-flow signal receiving circuit in the plug 1 with power-down control device, realizes disconnecting
The operation of water heater power supply, when water heater has electric leakage, but when no one uses water heater, on the plug 1 with power-down control device
After leakage-current alarm signal sending circuit receives the electric leakage signal of electric-leakage detection circuit, to water-flow signal detection and warning device
（15）Send alarm signal, light risk indicating lamp 14, point out user to have danger of hazardous electrical discharges.
Claims (2)
1. a kind of device for preventing electrical shock of electric water heater, is characterized in that：Including the plug with power-down control device（1）, cable extension prevent
Water swivel（2）, waterproof socket（3）, water heater（4）, the wherein plug with power-down control device（1）By plug（5）, relay touch
Head（6）, control relay circuit（7）Composition, with the plug of power-down control device（1）Each part be encapsulated in one whole
Inside body plug, itself and waterproof socket（3）Between use cable connection, cable middle setting cable extension water joint（2）, continue
Electrical apparatus control circuit（7）By power circuit, electric-leakage detection circuit, relay drive circuit, water-flow signal receiving circuit, electric leakage report
Alert signal sending circuit composition, power circuit is powered to relay drive circuit after socket circuit power taking, rectified pressure regulation, leakage
Power detection circuit and waterproof socket（3）Earthing pole be connected, when water heater plug is inserted in waterproof socket（3）When upper, detection of electrical leakage
By the earthing pole of water heater socket, circuit detects whether outer cover of water heater is powered.
2. device for preventing electrical shock of electric water heater according to claim 1, is characterized in that：Including in water heater（4）Delivery port
The water-flow signal detection installed and warning device（15）, it is by water-flow signal transmitter（8）, Waterproof battery case（10）, current inspection
Survey water wheels（11）, wherein water-flow signal detection and warning device intake-outlet standard copper sleeve（13）On, it is provided with ten thousand
Can joint（12）, in water-flow signal transmitter（8）Shell on side be provided with the instruction of green normal work（9）, opposite side sets
Put red risk indicating lamp（14）, place common No. 7 batteries in Waterproof battery case (10) for water-flow signal detection and dress of reporting to the police
Put power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778333.1U CN205939715U (en) | 2016-07-23 | 2016-07-23 | Electroshock preventing device for electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778333.1U CN205939715U (en) | 2016-07-23 | 2016-07-23 | Electroshock preventing device for electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205939715U true CN205939715U (en) | 2017-02-08 |
Family
ID=57926846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620778333.1U Expired - Fee Related CN205939715U (en) | 2016-07-23 | 2016-07-23 | Electroshock preventing device for electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205939715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902457A (en) * | 2019-11-19 | 2021-06-04 | 青岛海尔智能技术研发有限公司 | Electric leakage prompting method and device for electric water heater and electric water heater |
-
2016
- 2016-07-23 CN CN201620778333.1U patent/CN205939715U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902457A (en) * | 2019-11-19 | 2021-06-04 | 青岛海尔智能技术研发有限公司 | Electric leakage prompting method and device for electric water heater and electric water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190723 |