CN202452567U - Double-sided heating type hand warmer - Google Patents
Double-sided heating type hand warmer Download PDFInfo
- Publication number
- CN202452567U CN202452567U CN2011205273454U CN201120527345U CN202452567U CN 202452567 U CN202452567 U CN 202452567U CN 2011205273454 U CN2011205273454 U CN 2011205273454U CN 201120527345 U CN201120527345 U CN 201120527345U CN 202452567 U CN202452567 U CN 202452567U
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- China
- Prior art keywords
- heat insulation
- hand warmer
- insulation inner
- heating
- inner casing
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a double-sided heating type hand warmer. The hand warmer comprises a printed circuit board (PCB), a battery, two heating sheets, a heat conduction casing and a heat insulation inner case, wherein the battery and the heating sheets are electrically connected with the PCB, the heat insulation inner case and the PCB are installed inside the heat conduction casing, the battery is arranged inside the heat insulation inner case, and the heating sheets are installed between the heat conduction casing and the heat insulation inner case; and the two heating sheets are installed on the upper surface and the lower surface of the heat insulation inner case. Compared with the prior art, the double-sided heating type hand warmer has the advantages that the metal heat conduction casing is adopted, so that heating area is maximized and can reach the whole outer surface of the hand warmer; heating of the casing is more even due to the installation of the two heating sheets.
Description
Technical field
The utility model relates to a kind of electric heating utensil, relates in particular to a kind of portable hand warmer.
Background technology
Patent No. ZL01258069.4 discloses a kind of Apparatus for warming hands and feet; Comprise bottom, heating layer, upper ledge lid and the switch adjusting device that is mounted thereon; They stack successively, assemble as a wholely, are also having a metallic plate on the described heating layer, under the upper ledge lid; The inner surface of said base has the groove of intensive strip cyclic bending, flocking is arranged on the said metallic plate or be pasted with flannelette.The Apparatus for warming hands and feet of this patent is merely able to be placed in fixing position and uses because build is big.
The hand warmer of prior art has been reduced to very portable degree through improving, and can carry.But the hand warmer of prior art generally all uses lagging casing, only a fritter conducting strip is set on shell and generates heat; Though this scheme can reach the effect of power saving and energy savings,, can not satisfy the use under the situation of severe cold too because heating area is too little.
The utility model content
To the deficiency of prior art, the utility model provides the hand warmer that a kind of heating area is big, heating effect is good.
The utility model solves the technical scheme that its technical problem adopted:
A kind of two-sided heating formula hand warmer; Comprise circuit board, battery, heating sheet; Battery is electrically connected with circuit board with the heating sheet, and it is characterized in that: also comprise thermal conductive shell and heat insulation inner casing, said heat insulation inner casing and circuit board are installed on thermal conductive shell inside; It is inner that described battery is installed on heat insulation inner casing, and said heating sheet is installed between thermal conductive shell and the heat insulation inner casing; Described hand warmer comprises 2 heating sheets, and described 2 heating sheets are installed in the upper and lower surface of heat insulation inner casing respectively.
Optional, described circuit board is between thermal conductive shell and heat insulation inner casing, and circuit board is installed on the heat insulation inner casing.
Optional, it is inner that described circuit board is installed in heat insulation inner casing.
Preferably, the side of described thermal conductive shell also is provided with switch and charging inlet, and described switch and charging inlet are electrically connected with said circuit board.
Concrete, said circuit board contains to the charging circuit of said battery charge and is used for control heating sheet temperature controlling circuit.
Preferably, said battery is selected lithium battery for use.
Preferably, said heat insulation inner casing is selected plastics for use.
Preferably, said thermal conductive shell is selected metal material for use.
Compared with prior art, the hand warmer of the utility model has following useful technique effect: 1, adopted the metal heat-conducting shell, made heating area reach whole hand warmer outer surface, made heating area maximize; 2, adopt two heatings of upper and lower surface sheet, make that the heating of shell is more even; 3, it is outside that the heating sheet is installed on heat insulation inner casing, and it is inner that battery is installed on heat insulation inner casing, and the battery that prevented battery overheat protecting on the one hand makes the heat of heating sheet must conduct fully on the other hand and given thermal conductive shell, has increased the thermal efficiency.
Description of drawings
Fig. 1 is the decomposition texture sketch map of the two-sided heating formula of the utility model hand warmer;
Fig. 2 is the schematic perspective view of the two-sided heating formula of the utility model hand warmer.
The specific embodiment
To combine the accompanying drawing and the specific embodiment that the utility model is further specified below.
To shown in Figure 2, the two-sided heating formula hand warmer of the utility model comprises like Fig. 1: circuit board 3, battery 4, heating sheet 5, battery 4 is electrically connected with circuit board 3 with heating sheet 5, also comprises thermal conductive shell 1 and heat insulation inner casing 2.Said heat insulation inner casing 2 is installed on thermal conductive shell 1 inside, and described battery 4 is installed on heat insulation inner casing 2 inside, and said heating sheet 5 is installed between thermal conductive shell 1 and the heat insulation inner casing 2.
The two-sided heating formula hand warmer of the utility model comprises 2 heating sheets 5, and described 2 heating sheets 5 are installed in the upper and lower surface of heat insulation inner casing 2 respectively.Described circuit board 3 is between thermal conductive shell 1 and heat insulation inner casing 2, and circuit board 3 is installed on the heat insulation inner casing 2.In addition, can also select for use and directly circuit board 3 is installed in heat insulation inner casing 2 inner schemes and realizes thermal insulation protection circuit board 3.
The side of the described thermal conductive shell 1 of two-sided heating formula hand warmer of the utility model also is provided with switch 11 and charging inlet 12, and described switch 11 is electrically connected with said circuit board 3 with charging inlet 12.
Concrete, said circuit board 3 contains to the charging circuit of said battery 4 chargings and is used for control heating sheet 5 temperature controlling circuit.
Preferably, said battery 4 is selected lithium battery for use; Said heat insulation inner casing 2 is selected plastics for use; Said thermal conductive shell 1 is selected metal material for use.
Compared with prior art, the hand warmer of the utility model has following useful technique effect: 1, adopted the metal heat-conducting shell, made heating area reach whole hand warmer outer surface, made heating area maximize; 2, adopt two heatings of upper and lower surface sheet, make that the heating of shell is more even; 3, it is outside that the heating sheet is installed on heat insulation inner casing, and it is inner that battery is installed on heat insulation inner casing, and the battery that prevented battery overheat protecting on the one hand makes the heat of heating sheet must conduct fully on the other hand and given thermal conductive shell, has increased the thermal efficiency.
The foregoing description is the utility model preferred implementation, and all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection domain.
Claims (8)
1. two-sided heating formula hand warmer; Comprise circuit board (3), battery (4), heating sheet (5); Battery (4) and heating sheet (5) are electrically connected with circuit board (3); It is characterized in that: also comprise thermal conductive shell (1) and heat insulation inner casing (2); Said heat insulation inner casing (2) and circuit board (3) are installed on thermal conductive shell (1) inside, and described battery (4) is installed on heat insulation inner casing (2) inside, and said heating sheet (5) is installed between thermal conductive shell (1) and the heat insulation inner casing (2); Described hand warmer comprises 2 heating sheets (5), and described 2 heating sheets (5) are installed in the upper and lower surface of heat insulation inner casing (2) respectively.
2. two-sided heating formula hand warmer according to claim 1 is characterized in that: described circuit board (3) is positioned between thermal conductive shell (1) and the heat insulation inner casing (2), and circuit board (3) is installed on the heat insulation inner casing (2).
3. two-sided heating formula hand warmer according to claim 1 is characterized in that: described circuit board (3) is installed in heat insulation inner casing (2) inside.
4. according to any described two-sided heating formula hand warmer of claim 1 to 3; It is characterized in that: the side of described thermal conductive shell (1) also is provided with switch (11) and charging inlet (12), and described switch (11) and charging inlet (12) are electrically connected with said circuit board (3).
5. according to any described two-sided heating formula hand warmer of claim 1 to 3, it is characterized in that: said circuit board (3) contains to the charging circuit of said battery (4) charging and is used for control heating sheet (5) temperature controlling circuit.
6. according to any described two-sided heating formula hand warmer of claim 1 to 3, it is characterized in that: said battery (4) is selected lithium battery for use.
7. according to any described two-sided heating formula hand warmer of claim 1 to 3, it is characterized in that: said heat insulation inner casing (2) is selected plastics for use.
8. according to any described two-sided heating formula hand warmer of claim 1 to 3, it is characterized in that: said thermal conductive shell (1) is selected metal material for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205273454U CN202452567U (en) | 2011-12-16 | 2011-12-16 | Double-sided heating type hand warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205273454U CN202452567U (en) | 2011-12-16 | 2011-12-16 | Double-sided heating type hand warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202452567U true CN202452567U (en) | 2012-09-26 |
Family
ID=46868429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205273454U Expired - Fee Related CN202452567U (en) | 2011-12-16 | 2011-12-16 | Double-sided heating type hand warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202452567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027489A1 (en) * | 2013-08-29 | 2015-03-05 | Xie Hong | Electric warmer |
-
2011
- 2011-12-16 CN CN2011205273454U patent/CN202452567U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027489A1 (en) * | 2013-08-29 | 2015-03-05 | Xie Hong | Electric warmer |
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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: 20120926 Termination date: 20131216 |