CN201767586U - Low-voltage electric blanket - Google Patents
Low-voltage electric blanket Download PDFInfo
- Publication number
- CN201767586U CN201767586U CN2010202981697U CN201020298169U CN201767586U CN 201767586 U CN201767586 U CN 201767586U CN 2010202981697 U CN2010202981697 U CN 2010202981697U CN 201020298169 U CN201020298169 U CN 201020298169U CN 201767586 U CN201767586 U CN 201767586U
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- Prior art keywords
- electric blanket
- low
- constant temperature
- rectifier
- blanket
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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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- Central Heating Systems (AREA)
Abstract
The utility model relates to an electric blanket, which is powered by mains supply. The power is supplied to an electric blanket body through a reducing transformer and a rectifier. The electric blanket is very safe in use due to adoption of novel low-voltage heaters (spiral electric heating core wires), is fast in heating speed, allows proper temperatures to be optionally selected and kept constant because of a temperature adjusting constant temperature device, and accordingly is high in applicability.
Description
Technical field
The utility model relates to a kind of electric blanket, particularly use the low-voltage electroheating blanket for a kind of.
Background technology
Current various on the market electric blanket quite is subjected to consumer's welcome for people provide the articles for use that keep out the cold winter.Yet all there are some defectives in it, mainly contains: 1. what use is line voltage, although product has been taked technical safety measures, always there are the misgivings of secure context theoretically in the user; 2. because therefore the line voltage that uses exists electromagnetic field around mattress, the interference of this electromagnetic field is harmful to human body; 3. electrothermal calefactive rate is slow, generally needs 15 minutes preheating in advance, and can not hold temperature constant for a long time, uses hotter and hotter, generally uses and all wants deenergization the time after midnight.
The utility model content
The utility model is at above-mentioned defective, and purpose is to provide a kind of low-voltage electroheating blanket by low-voltage power supply.
The technical solution of the utility model is: power supply of the present utility model is a civil power, and process step-down transformer and rectifier power supply are to the electric blanket body.
Described electric blanket is provided with the temperature-adjusting constant temperature device, and the temperature-adjusting constant temperature device comprises thermosistor and thermistor, and the temperature-adjusting constant temperature device is arranged between rectifier and the electric blanket body.
Described electric blanket body comprises spirality electric heating heart yearn, and the heart yearn upper end is provided with heat-conducting layer and surface layer successively, and the heart yearn lower end is provided with thermal insulation layer and bottom successively.
The utility model has the advantages that: owing to adopt novel low pressure heater (spirality electric heating heart yearn), so use as safe as a housely, and electrothermal calefactive rate is fast, owing to have the temperature-adjusting constant temperature device, can choose at random suitable temperature and keep constant temperature, so applicability is strong.
Description of drawings
Fig. 1 is the utility model general structure block diagram
Fig. 2 is that the utility model is electrically connected diagrammatic sketch
Fig. 3 is a spiral shell type electric heating heart yearn layout drawing in the electric blanket body
Fig. 4 is the A-A section diagrammatic sketch of Fig. 3
1 is that surface layer, 2 is that heat-conducting layer, 3 is that heater, 4 is that thermal insulation layer, 5 is bottom among the figure.
The specific embodiment
With reference to Fig. 1, Fig. 2, the utility model is made up of power supply, temperature-adjusting constant temperature device, electric blanket body.Described power supply is made of complete isolated step-down transformer B and rectifier Z, and wherein transformer B can adopt cored single-phase double winding step-down transformer: rectifier Z can adopt bridge full-wave rectifier or halfwave rectifier, and rectifier output voltage is 12V～32V.Described temperature-adjusting constant temperature device 2 is made of thermosistor T and thermistor L, and wherein thermistor L is a kind of direct-heated thermistor, and it is set in the appropriate location of electric blanket body.Control the bias current that voltage is adjusted triode jointly by thermosistor T and thermistor L, controlling its output current, thereby reach the purpose of temperature adjustment and constant temperature.
With reference to Fig. 3, Fig. 4, the structure of electric blanket body 3 is: plurality of sections spiral shell type electric heating heart yearn is in parallel is connected to become heater 3, and heater 3 clippings cover surface layer 1 and bottom 5 respectively in the outside of heat-conducting layer 2 and thermal insulation layer 4 between heat-conducting layer 2 and thermal insulation layer 4.It is that the thickness of 18 ratios is that the flame retardant polyurethane foamed plastic of 3mm is made or other novel flexible material with heat conduction is made that heat-conducting layer 2 can adopt density: it is 36 to have heat insulation novel flexible material than the flame retardant polyurethane foamed plastic system of thickness 5～6mm or other and make that thermal insulation layer 4 can adopt density.Surface layer 1 and bottom 2 can be made of the cotton spinning or the chemical fabric of different colours.The spiral shell type electric heating heart yearn that constitutes heater 3 is a kind of flexible low tension hot line, it not only has the fast advantage of electrothermal calefactive rate, and thin and soft, and it is by thermal voltage technology clipping in heat-conducting layer 2 and thermal insulation layer 4 time, good smooth and soft type is arranged, stroke the lining surface and do not have prominent strategic point sense.
Claims (3)
1. the low-voltage electroheating blanket is characterized in that, its power supply is a civil power, and process step-down transformer and rectifier power supply are to the electric blanket body.
2. low-voltage electroheating blanket according to claim 1 is characterized in that electric blanket is provided with the temperature-adjusting constant temperature device, and the temperature-adjusting constant temperature device comprises thermosistor and thermistor, and the temperature-adjusting constant temperature device is arranged between rectifier and the electric blanket body.
3. low-voltage electroheating blanket according to claim 1 is characterized in that, described electric blanket body comprises that by spirality electric heating heart yearn and the heater that is linked to be the heater upper end is provided with heat-conducting layer and surface layer successively, and the heater lower end is provided with thermal insulation layer and bottom successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202981697U CN201767586U (en) | 2010-08-20 | 2010-08-20 | Low-voltage electric blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202981697U CN201767586U (en) | 2010-08-20 | 2010-08-20 | Low-voltage electric blanket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201767586U true CN201767586U (en) | 2011-03-23 |
Family
ID=43747412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202981697U Expired - Fee Related CN201767586U (en) | 2010-08-20 | 2010-08-20 | Low-voltage electric blanket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201767586U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110309A (en) * | 2013-02-22 | 2013-05-22 | 张美沛 | Novel electric blanket |
| CN110213843A (en) * | 2018-02-28 | 2019-09-06 | 武汉慧达电子科技有限公司 | A method of improving electric blanket security performance |
-
2010
- 2010-08-20 CN CN2010202981697U patent/CN201767586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110309A (en) * | 2013-02-22 | 2013-05-22 | 张美沛 | Novel electric blanket |
| CN110213843A (en) * | 2018-02-28 | 2019-09-06 | 武汉慧达电子科技有限公司 | A method of improving electric blanket security performance |
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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: 20110323 Termination date: 20110820 |