CN201827964U - Hand warmer with dry burning-resistant flexible heating device - Google Patents
Hand warmer with dry burning-resistant flexible heating device Download PDFInfo
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- CN201827964U CN201827964U CN2010205566840U CN201020556684U CN201827964U CN 201827964 U CN201827964 U CN 201827964U CN 2010205566840 U CN2010205566840 U CN 2010205566840U CN 201020556684 U CN201020556684 U CN 201020556684U CN 201827964 U CN201827964 U CN 201827964U
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- dry
- hand warmer
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Abstract
The utility model discloses a hand warmer with a dry burning-resistant flexible heating device, which comprises a flexible bag body, wherein the flexible bag body is internally provided with heat-conductive liquid and a flexible heating device, the flexible heating device is provided with a dry burning-resistant temperature controlling mechanism, and the dry burning-resistant temperature controlling mechanism is electrically connected with the flexible heating device. Due to the dry burning-resistant temperature controlling mechanism which is directly arranged on the flexible heating device, the bag body is continuously expanded (the wall of the bag is plumped), and the flexible heating device is upwards pulled when the flexible bag body is heated up, so that the flexible heating device is gradually separated from the surface of the heat-conducting liquid. At the moment, the dry burning-resistant temperature controlling mechanism on the flexible heating device can timely monitor the temperature of a heating body and can timely cut off a heating circuit if the temperature reach a set value, so that the hand warmer not only can protect the flexible heating device, but also can avoid the unsafe phenomena such as spontaneous combustion, ignition and the like, thereby being good in safety. Furthermore, only by arranging the dry burning-resistant temperature controlling mechanism on the flexible heating device, the hand warmer can realize the function of dry burning resistance, is simple and reasonable in structure, and can not influence the use handfeel.
Description
Technical field
The utility model relates to the hand warmer technical field, especially a kind of safe hand warmer with the flexible electro-heat equipment of anti-dry.
Background technology
Hand warmer on the market, its structure comprises flexible bag, is provided with heat-conducting liquid and electric heating device in flexible bag, electric heating device can be hung in flexible bag and be immersed in the heat-conducting liquid; During use, the electric heating device heating power, heat passes to flexible bag through heat-conducting liquid, and people are by the flexible bag heating of heating.Traditional hand warmer, its electric heating device generally are divided into two kinds of rigid heater and flexible heating elements, and flexible heating element is with the flexible feel of its uniqueness, and good heat transfer effect, be greatly favored by consumers, as: flexible heating element is the heating wire heat generating component; But traditional flexible heating element hand warmer still has the following disadvantages: (1) since flexible bag when being heated, constantly expansion (a bag wall is heaved) also upwards spurs flexible heating element, make flexible heating element leave the heat-conducting liquid surface gradually, at this moment, flexible heating element is heating power still, that is: flexible heating element is in dry-fire condition, at this moment, the easy Yin Wendu of the flexible heating element of dry combustion method is too high and damage, even causes the flexible heating element spontaneous combustion, catches fire, therefore, there is great potential safety hazard.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provides a kind of simple and reasonable for structure, safe in utilization and good hand touch, and have the flexible electro-heat equipment hand warmer of anti-dry effect concurrently.
The purpose of this utility model is achieved in that
The hand warmer of the flexible electro-heat equipment of band anti-dry, comprise flexible bag, in flexible bag, be provided with heat-conducting liquid and flexible electro-heat equipment, it is characterized in that, described flexible electro-heat equipment is provided with the anti-dry temperature control mechanism, and anti-dry temperature control mechanism and flexible electro-heat equipment electrically connect; This kind of hand warmer, by the anti-dry temperature control mechanism directly is installed on flexible electro-heat equipment, make flexible bag when being heated, bag constantly expands (the bag wall is heaved) and upwards spurs flexible electro-heat equipment, flexible electro-heat equipment leaves the heat-conducting liquid surface gradually, at this moment, the anti-dry temperature control mechanism that is arranged on the flexible electro-heat equipment can be monitored heater self temperature in real time, when if temperature reaches setting value, the anti-dry temperature control mechanism can cut off heater circuit immediately, both flexible electro-heat equipment can be protected, spontaneous combustion can be prevented to cause again, dangerous phenomenon such as catch fire takes place, and has good security; Have, this hand warmer only by the anti-dry temperature control mechanism is installed, can be realized the anti-dry effect on flexible electro-heat equipment again, and it is simple and reasonable for structure, and, do not influence the use feel.
The purpose of this utility model can also adopt following technical measures to solve:
Described anti-dry temperature control mechanism comprises heat-conducting metal spare, temperature controller and/or fuse, and heat-conducting metal spare links to each other with flexible electro-heat equipment, and temperature controller and/or fuse are arranged on the heat-conducting metal spare, and temperature controller and/or fuse are the sealing shape; During work, temperature controller and/or fuse can directly be responded to flexible electro-heat equipment surface temperature by heat-conducting metal spare, realize accurately, flexible electro-heat equipment self temperature monitoring timely, play the effect of heater anti-dry.
As scheme more specifically, described flexible electro-heat equipment can be the heating wire heat generating component, and it includes heating wire; That is, temperature controller and/or fuse be by the direct induced electricity hot line of heat-conducting metal spare surface temperature, realizes accurately, heating wire self temperature monitoring timely, prevents the heating wire dry combustion method.
Described heat-conducting metal spare can be a thermal conductive metal plate, and it is fixed on the heating wire surface by screw or with method of clamping, and temperature controller and/or fuse are connected on the thermal conductive metal plate.
As heat-conducting metal spare scheme more specifically, it can tie up on the heat-conducting metal spare of sheet the plastics holder is installed, thermal conductive metal plate by the plastics holder with screw or utilize self elasticity to be fixed on the heating wire surface with method of clamping.
Described heat-conducting metal spare also can be the heat-conducting metal casing, heating wire is wrapped on the heat-conducting metal tank surface, that is: the heat-conducting metal casing is gone back the carrier that the double as heating wire twines as when conducting heat, and temperature controller and/or fuse then are installed in the heat-conducting metal casing; This mode, temperature controller and/or fuse also are by the direct induced electricity hot line of heat-conducting metal casing surface temperature, realize accurately, heating wire self temperature monitoring timely, can realize preventing the heating wire dry combustion method equally.
Described temperature controller and/or fuse contact with heat-conducting liquid to prevent it with resin or layer of silica gel sealing, fixing.
Described heat-conducting metal spare is the book layer housing of being made by aluminum material; Certainly, heat-conducting metal spare also can adopt other material to make.
The beneficial effects of the utility model are:
(1) hand warmer of the present utility model, by the anti-dry temperature control mechanism directly is installed on flexible electro-heat equipment, make flexible bag when being heated, bag constantly expands (the bag wall is heaved) and upwards spurs flexible electro-heat equipment, flexible electro-heat equipment leaves the heat-conducting liquid surface gradually, at this moment, the anti-dry temperature control mechanism that is arranged on the flexible electro-heat equipment can be monitored heater self temperature in real time, when if temperature reaches setting value, the anti-dry temperature control mechanism can cut off heater circuit immediately, both flexible electro-heat equipment can be protected, spontaneous combustion can be prevented to cause again, dangerous phenomenon such as catch fire takes place, and has good security; Have, this hand warmer only by the anti-dry temperature control mechanism is installed, can be realized the anti-dry effect on flexible electro-heat equipment again, and it is simple and reasonable for structure, and, do not influence the use feel.
(2) hand warmer of this structure, several embodiments of metal heat-conducting spare also are provided, as: the metal heat-conducting spare of sheet or casing shape, both made things convenient for its installation, fixing, again can be directly as optimum leading (biography) hot body of heat generating member, make temperature controller and/or fuse, but intuition should, be monitored the real time temperature of heater (electric heating element), realize the purpose of anti-dry.
Description of drawings
Fig. 1 is embodiment one schematic diagram of the utility model hand warmer;
Fig. 2 is embodiment two schematic diagrames of the utility model hand warmer;
Fig. 3 is embodiment three schematic diagrames of the utility model hand warmer;
Fig. 4 is embodiment four schematic diagrames of the utility model hand warmer;
Fig. 5 is embodiment five schematic diagrames of the utility model hand warmer.
The specific embodiment
Embodiment one: as shown in Figure 1, a kind of hand warmer with the flexible electro-heat equipment of anti-dry, comprise flexible bag 1, in flexible bag 1, be provided with heat-conducting liquid 2 and flexible electro-heat equipment 3, described flexible electro-heat equipment 3 is heating wire heat generating components, it comprises heating wire 31 and heating wire carrier 32 thereof, and described flexible electro-heat equipment 3 is provided with anti-dry temperature control mechanism 4, and anti-dry temperature control mechanism 4 electrically connects with flexible electro-heat equipment 3.
Among Fig. 1, described anti-dry temperature control mechanism 4 comprises heat-conducting metal spare 41, temperature controller and/or fuse 42, heat-conducting metal spare 41 links to each other with flexible electro-heat equipment 3, metal heat-conducting spare 41 is by the aluminum material integral one-step molding, temperature controller and/or fuse 42 are arranged on the heat-conducting metal spare 41, and temperature controller and/or fuse 42 are the sealing shape; And described flexible electro-heat equipment 3 is heating wire heat generating components, and it includes heating wire 31; Wherein, temperature controller and/or fuse 42 are with resin or layer of silica gel 5 sealings, fixing.
Described heat-conducting metal spare 41 is thermal conductive metal plates, and it is fixed on heating wire 31 surfaces by screw or with method of clamping, and temperature controller and/or fuse 42 are connected on the thermal conductive metal plate 41.
Operation principle: during heating wire 31 heating works; bag 1 constantly expands; make bag wall upwards spur heating wire 31 and heating wire carrier 32 thereof, and leave heat-conducting liquid 2 surfaces gradually; at this moment; be arranged on heating wire 31 lip-deep temperature controllers and/or fuse 42; by thermal conductive metal plate 41 monitoring heating wire 31 self temperature in real time; when if temperature reaches setting value; temperature controller and/or fuse 42 can cut off heater circuit immediately; both can protect heating wire 31; can prevent that again dangerous phenomenon takes place heating wire 31 because of overheatedly causing spontaneous combustion, catch fire etc., has good security.
Embodiment two: as shown in Figure 2, this embodiment is close with embodiment one, difference only is: on the described heat-conducting metal spare 41 plastics holder 411 is installed also, thermal conductive metal plate by plastics holder 411 with screw or utilize self elasticity to be fixed on heating wire 31 surfaces with method of clamping.
Embodiment three: as shown in Figure 3, this embodiment is close with embodiment one, difference only is: described heat-conducting metal spare 41 can be the heat-conducting metal casing, it can be fixed on the heating wire surface by screw or with method of clamping equally, temperature controller and/or fuse 42 are arranged in the heat-conducting metal case, and resin or layer of silica gel 5 sealings, fixing can be set around it.
Embodiment four: as shown in Figure 4, this embodiment is close with embodiment one, difference only is: described heat-conducting metal spare 41 can be the heat-conducting metal casing, and heating wire is wrapped on the heat-conducting metal tank surface, and temperature controller and/or fuse 42 are installed in the heat-conducting metal casing; That is: the heat-conducting metal casing is gone back the carrier that double as heating wire 31 twines as when conducting heat, and temperature controller and/or fuse 42 then are installed in the heat-conducting metal casing; This mode, temperature controller and/or fuse 42 also are by direct induced electricity hot line 31 surface temperatures of heat-conducting metal casing, realize accurately, heating wire 31 self temperature monitoring timely, can realize preventing heating wire 31 dry combustion methods equally.
Embodiment five: as shown in Figure 5, this embodiment is close with embodiment 3, and difference only is: can be provided with heat-conducting metal spare on the electrical socket 6 on the bag, no longer describe in detail here.
Claims (8)
1. be with the hand warmer of the flexible electro-heat equipment of anti-dry, comprise flexible bag (1), in flexible bag (1), be provided with heat-conducting liquid (2) and flexible electro-heat equipment (3), it is characterized in that, described flexible electro-heat equipment (3) is provided with anti-dry temperature control mechanism (4), and anti-dry temperature control mechanism (4) electrically connects with flexible electro-heat equipment (3).
2. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 1, it is characterized in that, described anti-dry temperature control mechanism (4) comprises heat-conducting metal spare (41), temperature controller and/or fuse (42), heat-conducting metal spare (41) links to each other with flexible electro-heat equipment (3), temperature controller and/or fuse (42) are arranged on the heat-conducting metal spare (41), and temperature controller and/or fuse (42) are the sealing shape.
3. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 2, it is characterized in that described flexible electro-heat equipment (3) is the heating wire heat generating component, it includes heating wire (31).
4. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 3, it is characterized in that, described heat-conducting metal spare (41) is a thermal conductive metal plate, it is fixed on heating wire (31) surface by screw or with method of clamping, and temperature controller and/or fuse (42) are connected on the thermal conductive metal plate (41).
5. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 4, it is characterized in that, plastics holder (411) also is installed on the described heat-conducting metal spare (41), thermal conductive metal plate by plastics holder (411) with screw or utilize self elasticity to be fixed on heating wire (31) surface with method of clamping.
6. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 3, it is characterized in that, described heat-conducting metal spare (41) is the heat-conducting metal casing, and heating wire (31) is wrapped on the heat-conducting metal tank surface, and temperature controller and/or fuse (42) are installed in the heat-conducting metal casing.
7. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 2, it is characterized in that described temperature controller and/or fuse (42) are with resin or layer of silica gel (5) sealing, fixing.
8. according to the hand warmer of the flexible electro-heat equipment of the described band anti-dry of claim 2, it is characterized in that described heat-conducting metal spare (41) is the book layer housing of being made by aluminum material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205566840U CN201827964U (en) | 2010-09-30 | 2010-09-30 | Hand warmer with dry burning-resistant flexible heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205566840U CN201827964U (en) | 2010-09-30 | 2010-09-30 | Hand warmer with dry burning-resistant flexible heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827964U true CN201827964U (en) | 2011-05-11 |
Family
ID=43966494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205566840U Expired - Fee Related CN201827964U (en) | 2010-09-30 | 2010-09-30 | Hand warmer with dry burning-resistant flexible heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827964U (en) |
-
2010
- 2010-09-30 CN CN2010205566840U patent/CN201827964U/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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Shunde District Meimei Innovation Electrical Appliance Co., Ltd. Assignor: Xu Yuanshui Contract record no.: 2012440000377 Denomination of utility model: Hand warmer with dry burning-resistant flexible heating device Granted publication date: 20110511 License type: Exclusive License Record date: 20120711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |