CN201403220Y - Automatic power-off immersion heater - Google Patents
Automatic power-off immersion heater Download PDFInfo
- Publication number
- CN201403220Y CN201403220Y CN2009200242804U CN200920024280U CN201403220Y CN 201403220 Y CN201403220 Y CN 201403220Y CN 2009200242804 U CN2009200242804 U CN 2009200242804U CN 200920024280 U CN200920024280 U CN 200920024280U CN 201403220 Y CN201403220 Y CN 201403220Y
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- Prior art keywords
- switch
- plug
- immersion heater
- heating wire
- heater
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- Expired - Fee Related
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Abstract
The utility model relates to an electric heater, and in particular to an automatic power-off immersion heater, which comprises a heating helicoid, an electric heating wire, a plug and a switch, wherein the electric heating wire is arranged inside the heating helicoid, and the electric heating wire is serially connected with the plug and the switch to form a circuit, and is characterized in that aspring and an electromagnet are arranged inside the switch. When in use, the immersion heater is firstly arranged inside liquid, the plug is utilized to be connected with a power source, and the switch is turned on, so the circuit starts to work; when the external power source is suddenly off, the electromagnet inside the switch stops working, and the spring inside the switch pulls the switch to be disconnected, so even when the external power source is restored, since the switch still stays at the opening state, the heating circuit is free from being connected, and the immersion heater is free from working, so the fire potential danger caused by that the plug is forgotten to be unplugged during the power failure can be effectively prevented. The automatic power-off immersion heater has the advantages of reasonable structure, simple and convenient operation, high application safety and the like.
Description
Technical field:
The utility model relates to electric heater, specifically a kind of auto-cut-off type immersion heater.
Background technology:
As everyone knows, " immersion heater " is a kind of electric heater commonly used in the life, can be used for boiling water, warm milk, make coffee etc., and be quick and make things convenient for.The heating bung flange of " immersion heater " normally turns to a kind of thinner metal tube, and heating wire is housed in the pipe, pours into the insulating material of magnesia powder and so on then, and the heating wire encapsulation is fixed on the pipe centre, and it is not contacted with tube wall.The two ends of heating wire join with power line respectively again.After the energising, electric current flows through from heating wire, and heating wire just generates heat.If " immersion heater " is immersed in the liquid, heat comes out very soon by liquid, and liquid is heated very soon, nor can burn out heating wire.If allow " immersion heater " dry combustion method in air, heat is difficult for distributing, and metal outer pipe can be very fast burned, in addition burn red, just the pipe in heating wire can blow.So, should earlier " immersion heater " be put into liquid during use, liquid is minimum should to flood heating bung flange (handle and electric wire can not immerse in the liquid), and then energized.Heating finishes, also should first deenergization, cross a little meeting, treat that " immersion heater " temperature reduces after, from liquid, take out again, dry collection.
The existing most of immersion heaters of existing market do not have mains switch, just in use by connecting or pull up the break-make that plug is controlled power supply, in case immersion heater is but forgotten and is pulled up plug finishing using, just might cause short circuit, breaking out of fire, especially cut off the power supply in the use, and the user forgets and pulls up plug behind the power connection, just may cause greatly potential safety hazard.
Summary of the invention:
The utility model proposes a kind of auto-cut-off type immersion heater rational in infrastructure, easy to operate, safe to use for overcoming the deficiencies in the prior art.
The technical measures that the utility model adopts are:
A kind of auto-cut-off type immersion heater comprises heating bung flange, heating wire, plug, switch, is provided with heating wire in the heating bung flange, and heating wire and plug and switch are in series and constitute the loop, it is characterized in that being provided with in the switch spring and electromagnet.
The utility model in use, at first immersion heater is put into liquid, use the plug energized, Closing Switch, circuit is started working, when external power source interrupts suddenly, electromagnet in the switch quits work, spring in the switch draws switch is disconnected, even this moment, external power source recovered, because switch still keeps off-state, heater circuit can not be switched on, immersion heater do not carry out work, thereby avoided the hidden danger that causes fire because forget to pull up plug during outage effectively, has rational in infrastructure, easy and simple to handle, the high significant advantage of safety in utilization.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
Reference numeral: heating bung flange 1, heating wire 2, plug 3, spring 4, electromagnet 5.
Embodiment:
A kind of auto-cut-off type immersion heater, comprise heating bung flange 1, heating wire 2, plug 3, switch, be provided with heating wire 2 in the heating bung flange 1, heating wire 2 is in series with plug 3 and switch 4 and constitutes the loop, it is characterized in that being provided with in the switch spring 4 and electromagnet 5, in use, at first immersion heater is put into liquid, use plug 3 energized, the while Closing Switch, heater circuit is started working, when external power source interrupted suddenly, the electromagnet 5 in the switch quit work, and the spring 4 in the switch draws switch is disconnected, even this moment, external power source recovered, because switch still keeps off-state, so heater circuit can not be switched on, and immersion heater does not carry out work, thereby the hidden danger of forgetting to pull up plug 3 when having avoided because of outage effectively and causing fire the utlity model has rational in infrastructure, easy and simple to handle, the high significant advantage of safety in utilization.
Claims (1)
1, a kind of auto-cut-off type immersion heater comprises heating bung flange, heating wire, plug, switch, is provided with heating wire in the heating bung flange, and heating wire and plug and switch are in series and constitute the loop, it is characterized in that being provided with in the switch spring and electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200242804U CN201403220Y (en) | 2009-03-27 | 2009-03-27 | Automatic power-off immersion heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200242804U CN201403220Y (en) | 2009-03-27 | 2009-03-27 | Automatic power-off immersion heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201403220Y true CN201403220Y (en) | 2010-02-10 |
Family
ID=41663019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200242804U Expired - Fee Related CN201403220Y (en) | 2009-03-27 | 2009-03-27 | Automatic power-off immersion heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201403220Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462094A (en) * | 2018-10-30 | 2019-03-12 | 阮鑫 | A kind of television set anti-leakage plug |
| CN113079602A (en) * | 2021-04-15 | 2021-07-06 | 深圳市赛舸电子科技有限公司 | Variable voltage power supply for high-power digital variable frequency induction cooker |
-
2009
- 2009-03-27 CN CN2009200242804U patent/CN201403220Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462094A (en) * | 2018-10-30 | 2019-03-12 | 阮鑫 | A kind of television set anti-leakage plug |
| CN113079602A (en) * | 2021-04-15 | 2021-07-06 | 深圳市赛舸电子科技有限公司 | Variable voltage power supply for high-power digital variable frequency induction cooker |
| CN113079602B (en) * | 2021-04-15 | 2023-04-14 | 深圳市赛舸电子科技有限公司 | Variable voltage power supply for high-power digital variable frequency induction cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20110327 |