CN2694688Y - Automatic temperature control safety flame-resistant electric blanket - Google Patents
Automatic temperature control safety flame-resistant electric blanket Download PDFInfo
- Publication number
- CN2694688Y CN2694688Y CN 200420030343 CN200420030343U CN2694688Y CN 2694688 Y CN2694688 Y CN 2694688Y CN 200420030343 CN200420030343 CN 200420030343 CN 200420030343 U CN200420030343 U CN 200420030343U CN 2694688 Y CN2694688 Y CN 2694688Y
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- CN
- China
- Prior art keywords
- electric blanket
- contact
- wires
- switch enclosure
- heater wire
- 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 relates to an automatic temperature control safe fire-proof electric blanket, particularly a domestic heating electric blanket with double protection. The electric blanket mainly comprises a power supply plug, a switch box connected through conducting wires, an electric blanket body and heating wires arranged in the electric blanket. The utility model is characterized in that a fuse in the switch box is connected with the power supply plug; three conducting wires are educed from the switch box through connection points to be connected with the electric blanket; the connection points are connected with signal wires in the electric blanket and are connected with a temperature controller which is connected with the heating wires in the electric blanket. The other ends of the heating wires are connected to a zero wire; the heating wires are wound on two signal wires. The purpose of the utility model is to solve the problem that the existing electric blanket has no automatic temperature control and safe fire-proof measures, and has high cost, complex technology, etc.
Description
One, technical field: the utility model relates to a kind of domestic heating electric blanket of duplicate protection.
Two, background technology: electric blanket is a kind of heating utensil that people generally use, and is closely bound up with people's life, the person and property safety.And the electric blanket of selling in the market can be realized temperature automatically controlled and can safe and effectively prevent that the product of fire is extremely rare, and most electric blankets, and all existing can not temperature control, can not prevent the hidden danger of easy generation serious accidents such as fire generation.Some electric blanket is by the improvement of circuit, as is added with electronic components such as controllable silicon or midget relay and is used for realizing functions such as timing, ON-OFF control circuit, thus the fire safety of realization electric blanket.These modes fundamentally do not reach the purpose of fire safety, break down as electronic component, the hidden danger that still has fire to take place.Another point, used these technical schemes make the cost of its electric blanket very high, and technical sophistication is unfavorable for developing widely, promotes the use of.
Three, summary of the invention:
1, goal of the invention: the utility model provides a kind of temperature automatically controlled fire safety formula electric blanket, and its purpose is to have solved existing electric blanket and does not possess temperature automatically controlled and the fire safety measure, and the cost height, the problem that aspects such as technical sophistication exist.
2, technical scheme: the utility model is achieved through the following technical solutions:
Temperature automatically controlled fire safety formula electric blanket, it mainly includes the heater wire that is provided with in attaching plug, switch enclosure, electric blanket and the electric blanket by the lead connection, it is characterized in that: linking to each other with attaching plug in switch enclosure is connected to fuse, drawing three leads by contact in the switch enclosure is connected with electric blanket, contact is connected with holding wire in the electric blanket, contact is connected with a thermostat, and thermostat is connected with heater wire in the electric blanket, and the other end of heater wire is connected on the zero line; Heater wire is wrapped on two holding wires.
The skin of heater wire or holding wire is enclosed with nylon dielectric coating.
Linking to each other with attaching plug in switch enclosure is connected to two fuses, is connected on the fire and zero line of attaching plug.
Electric blanket is provided with terminal box, the contact in the terminal box respectively with switch enclosure in contact be connected by lead.
3, advantage and effect: the utlity model has temperature automatically controlled and fire safety double insurance, thoroughly solved the hidden danger that electric blanket exists, for people provide a kind of product that can safe relieved use.Originally be that also to have a cost low with novel, technology is simple, the mass product that can extensively promote the use of.
Four, description of drawings: accompanying drawing 1 is temperature automatically controlled fire safety formula electric blanket structural representation.
Five, embodiment: a kind of temperature automatically controlled fire safety formula electric blanket as shown in Figure 1, switch enclosure 2, electric blanket 7 that it mainly includes attaching plug 1, connects by lead, the heater wire 13 that in electric blanket 7, is provided with, in switch enclosure 2, be provided with two fuses 3, one end of fuse 3 links to each other with attaching plug 1 by lead, and the contact in the other end and the switch enclosure 2 links to each other.Be provided with contact, diode 16, light-emitting diode 18 and resistance 17 in the switch enclosure 2, diode 16, light-emitting diode 18 and resistance 17 all adopt conventional method to connect, the contact 9,10 that the output of switch enclosure 2 is drawn in the terminal box 8 on 3 leads and the electric blanket 7 by contact 5,6,4 links to each other with 11, a thermostat 12 is housed on the electric blanket 7, one of thermostat 12 terminates on the contact 10, the other end is connected on the heater wire 13, and the other end of heater wire 13 is connected on the contact 9.Contact 9 and 11 is connected on the holding wire 14,15 of electric blanket 7.The skin of heater wire 13 or holding wire 14,15 is enclosed with anti-70 ℃ nylon dielectric coating.Heater wire 13 is wrapped on two holding wires 14,15.The heating element employing number of patent application of electric blanket is the heating element in 200320105880.6 " the fire prevention control type electric blankets ".
Switch is inserted on the interchange 220v supply hub, close a switch, make electric blanket 7 energisings.During operate as normal, the heater wire 13 energising work of electric blanket 7, electric blanket 7 temperature raise, and when the temperature of electric blanket 7 rose to the temperature value that thermostat 12 controlled, thermostat 12 automatic disconnections made heating element 13 outages, and temperature descends thereupon.When the temperature of electric blanket 7 drops to the temperature that is lower than thermostat 12 controls; thermostat 12 is auto-closing again; make electric blanket energising heating; so repeatedly; the temperature of electric blanket 7 is remained essentially within the temperature range that thermostat 12 controlled; electric blanket 7 can not heat up incessantly, so played protective effect.Temperature automatically controlled fire safety formula electric blanket, except that above-mentioned functions, just in case malfunctioning, electric blanket 7 can be out of control at thermostat 12, and it is more than to heat up, when surpassing 70 ℃, will cause two holding wires 14,, the fusing of the nylon dielectric coatings in the middle of 15, two leads can the adhesion short circuits, the fuses 3 in the switch enclosure 2 will open circuit, cut off the power supply of heating element 13, guarantee that electric blanket 7 can breaking out of fire.Nylon dielectric coating has conductive characteristic when temperature is high, non-conductive again when temperature is low, thus adopt nylon dielectric coating more better, but adopt anti-70 ℃ plastic insulation coating also passable.Because temperature automatically controlled and open circuit protection double insurance has been arranged, so electric blanket is in use eliminated unsafe hidden danger not exclusively completely, electric blanket on firely brings injury to people because of overheated never again.
Claims (4)
1. temperature automatically controlled fire safety formula electric blanket, it mainly includes attaching plug (1), switch enclosure (2) by the lead connection, the heater wire (13) that is provided with in electric blanket (7) and the electric blanket (7), it is characterized in that: linking to each other with attaching plug (1) in switch enclosure (2) is connected to fuse (3), by contact (4), (5), (6) drawing three leads in the switch enclosure (2) is connected with electric blanket (7), contact (4), (5) with electric blanket (7) in holding wire (14), (15) connect, contact (6) is connected with a thermostat (12), thermostat (12) is connected with heater wire (13) in the electric blanket (7), and the other end of heater wire (13) is connected on the zero line; Heater wire (13) is wrapped on two holding wires (14), (15).
2. temperature automatically controlled fire safety formula electric blanket according to claim 1 is characterized in that: the skin of heater wire (13) or holding wire (14), (15) is enclosed with nylon dielectric coating.
3. temperature automatically controlled fire safety formula electric blanket according to claim 1 is characterized in that: linking to each other with attaching plug (1) in switch enclosure (2) is connected to two fuses (3), is connected on the fire and zero line of attaching plug (1).
4. temperature automatically controlled fire safety formula electric blanket according to claim 1, it is characterized in that: electric blanket (7) is provided with terminal box (8), the contact (9) in the terminal box (8), (10), (11) respectively with switch enclosure (2) in contact (5), (6), (4) be connected by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030343 CN2694688Y (en) | 2004-02-13 | 2004-02-13 | Automatic temperature control safety flame-resistant electric blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030343 CN2694688Y (en) | 2004-02-13 | 2004-02-13 | Automatic temperature control safety flame-resistant electric blanket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2694688Y true CN2694688Y (en) | 2005-04-20 |
Family
ID=34772109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030343 Expired - Fee Related CN2694688Y (en) | 2004-02-13 | 2004-02-13 | Automatic temperature control safety flame-resistant electric blanket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2694688Y (en) |
-
2004
- 2004-02-13 CN CN 200420030343 patent/CN2694688Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |