CN102378421A - Flexible electric heating device for hand warmer - Google Patents
Flexible electric heating device for hand warmer Download PDFInfo
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- CN102378421A CN102378421A CN2010102640841A CN201010264084A CN102378421A CN 102378421 A CN102378421 A CN 102378421A CN 2010102640841 A CN2010102640841 A CN 2010102640841A CN 201010264084 A CN201010264084 A CN 201010264084A CN 102378421 A CN102378421 A CN 102378421A
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- flexible electrical
- hand warmer
- soft shell
- flexible
- heat equipment
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Abstract
The invention discloses a flexible electric heating device for a hand warmer. The device arranged in a housing of the hand warmer comprises a flexible electric heating body which is wound to have a heat-radiating area, and be wrapped in an insulated flexible housing and formed into an integrated connection structure with the flexible housing. The electric heating device has the advantages of rational structure, safe use, uniform heating and favorable using handfeel.
Description
Technical field
The present invention relates to the hand warmer technical field, the flexible electrical electro-heat equipment that especially a kind of hand warmer is used.
Background technology
Existing electrically heating bag; That is: hand warmer; Its structure has generally comprised flexible bag, electric heating body and plug, in bag, is perfused with heat-conducting liquid, is provided with electric heating body in the heat-conducting liquid; On the bag wall of said bag electrical socket is installed, electric heating body is electrically connected with external power source through electrical socket.The electric heating body of installing in the traditional hand warmer, its bag adopts the hard heating element structure more, as: electrothermal tube, electricity import rod or die cast metal assembly etc.; Yet hand warmer adopts above-mentioned hard heater, can have following weak point: (1) hand warmer system supplies hand or other position heating of health to use; For this reason, its shell adopts the flexible pouch body structure more, to improve the feel of its use; If the electric heating body that uses in the bag is the hard heater, the user touches easily, not only influences feel; And the hard heater is easily to the bag wall cause damage (as: scratching) of flexible bag; (2) the hard heater is generally metal shell, and directly exposes in heat-conducting liquid, even its appearance can add insulating coating usually, but still conduct electricity easily in the water conservancy diversion hot body, so, can there be very big potential safety hazard; (3) no matter be to select for use electrothermal tube, electricity to import rod or die cast metal assembly etc. as electric heating body, receive the little restriction of its (single) volume, it is inhomogeneous to be heated in the bag; When especially being use, the user directly firmly touches electric heating body with the bag wall because of carelessness, scalds hand or health corresponding position for easily the electric heating body of high temperature.
For this reason, also the someone adopts the electric heating device of heating wire as hand warmer, directly with heating wire coiled bulk; Placement is in the hand warmer housing (being bag), yet, because heating wire is a flexible body; If in the housing fixed mount that adds heating wire is not arranged; Make the heating wire of coiled bulk be in loose condition (of surface) all the time, compressive deformation influences the effect of its Homogeneouslly-radiating easily; Have again, the heating wire of loose condition (of surface), when hand warmer energising heating, the bag wall is heated and can expands, and heating wire is fixing owing to not having, and leaves the conductive fluid dignity of bag (housing) inner chamber easily thereupon, causes the dry combustion method phenomenon, makes hand warmer have certain potential safety hazard.
The people is also arranged for this reason, the heating wire fixed mount is installed in housing (bag), for example: heating wire is curled on fixed mount, and fixed mount is fixed in the housing; Because fixed mount has certain rigid, people are when using hand warmer, and hand is run into rigid fixed mount easily, the feel that influence is used; And because fixed mount volume less (to avoid having a strong impact on feel) curls the heating wire on fixed mount, its area of dissipation is also less, can't realize the requirement of the interior thermally equivalent of hand warmer housing (being bag).
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the above-mentioned prior art, and provide a kind of rational in infrastructure, safe in utilization, the flexible electrical electro-heat equipment that the hand warmer even and the use good hand touch that is heated is used.
The objective of the invention is to realize like this
The flexible electrical electro-heat equipment that a kind of hand warmer is used; It is arranged in the housing of hand warmer; It is characterized in that; It comprises the flexible electrical heater, and said flexible electrical heater turns to have certain area of dissipation and be wrapped in the soft shell of insulation, and flexible electrical heater and soft shell constitute whole syndeton; This kind of electric heating device; Process electric heating body through using flexible material; And electric heating body turned to have certain area of dissipation, and by in the soft shell of sealing system insulation, constitute the flexible electrical electro-heat equipment jointly, it is cooperated with flexible bag (being the hand warmer housing) and conducting liquid (liquid that the hand warmer housing is interior); Bring good feel to user's use, obviously improve the comfortableness of its use; Have again, this kind of electric heating device, its heat system is passed to the heat-conducting liquid in the hand warmer housing by electric heating body through soft shell; Be sealed in the soft shell because soft shell is insulation and electric heating body, therefore, both can have avoided electric heating body directly to expose to heat-conducting liquid; And the hidden danger that causes, again can be through increasing the area (volume) of soft shell, to improve the heat transfer area between it and the heat-conducting liquid; Make it and receive (biography) heat more even; Prevent local overheating and scald hand or health corresponding position, and total is simple, reasonable; More have plenty of, it has also overcome directly places the existing easy deformation of flexible electrical hot line of loose condition (of surface) and the defective of dry combustion method in hand warmer, and passes through the winding of fixed mount power supply hot line, existing feel difference and be heated (heat transfer) the inhomogeneous deficiency that waits.
The object of the invention can also adopt following technical measures to solve:
As better embodiment; Said flexible electrical heater can be the flexible electrical heated filament; Through turning to certain radiating surface, being sealed in the soft shell of system's insulation, the flexible electric heating filament winding becomes certain area, and makes it close with soft shell inner chamber area with exposed wire for it; Improving the uniformity of soft shell heating surface, thereby improve the thermal uniformity that receives of whole hand warmer.
As better embodiment; Said flexible electrical heater also can be a heating wire; The certain area of dissipation of the same coiled of heating wire with length so that the heat of its generation can pass to soft shell equably, thereby improves the thermal uniformity that receives of whole hand warmer.
As further improved plan, the soft shell of said insulation is the flexible thin rete of processing with the PVC material; Utilize the PVC material to process the flexible thin rete; The flexibility that both can keep electric heating device keeps good hand feeling, is convenient to processing again; Can process the flexible electrical heater of flat through injection molding machine and heat seal operation, this is different from the processing method of traditional electric heater unit.
The soft shell of said insulation also can be the flexible thin rete that silica gel material is processed, and it can keep the flexibility of electric heating device equally, keeps good hand feeling, processes the flexible electrical heater of flat.
In order to make being heated of hand warmer more even, the shape of said soft shell is close with size with the shape of hand warmer housing with size, and both convenient installations can make being heated more evenly of hand warmer housing, thermal effect better again.
Said flexible electrical heater is to be fixed in the soft shell through carrier, with fixing flexible electric heating body better.
The area of said carrier is close with the inner chamber of soft shell, and the flexible electrical heater is arranged on the said carrier with equally distributed form, to constitute the state of Homogeneouslly-radiating.
Said carrier can be cloth body or other fiber material, has both helped wearing of flexible heating element, can keep the flexibility of whole electro-heat equipment again.
The surface of said soft shell is provided with a plurality of louvres, with in same unit are, improves the area of dissipation of whole flexible electrical electro-heat equipment, can obviously improve radiating efficiency.
The invention has the beneficial effects as follows:
(1) the flexible electrical electro-heat equipment used of this kind of hand warmer; Process electric heating body through using flexible material; And electric heating body turned to have certain area of dissipation, and by in the soft shell of sealing system insulation, constitute the flexible electrical electro-heat equipment jointly, its bag and conducting liquid with flexibility is cooperated; Bring good feel to user's use, obviously improve the comfortableness of its use; Have again, this kind of electric heating device, its heat system is passed to the heat-conducting liquid in the hand warmer housing by electric heating body through soft shell; Be sealed in the soft shell because soft shell is insulation and electric heating body, therefore, both can have avoided electric heating body directly to expose to heat-conducting liquid; And the hidden danger that causes, again can be through increasing the area (volume) of soft shell, to improve the heat transfer area between it and the heat-conducting liquid; Make it and receive (biography) heat more even; Prevent local overheating and scald hand or health corresponding position, and total is simple, reasonable; More have plenty of, it has also overcome directly places the existing easy deformation of flexible electrical hot line of loose condition (of surface) and the defective of dry combustion method in hand warmer, and passes through the winding of fixed mount power supply hot line, existing feel difference and be heated (heat transfer) the inhomogeneous deficiency that waits.
(2) have, the flexible electrical heater of this kind of electric heating device can adopt flexible electrical heated filament or flexible electrical hot line again; Turn to earlier and have certain radiating surface and cooperate PVC or the soft shell of silica gel; The flexibility that both can keep electric heating device keeps good hand feeling, is convenient to processing again; Can process the flexible electrical heater of flat through injection molding machine and heat seal operation, this is different from the processing method of traditional electric heater unit;
(3) this kind of hand warmer; Also through in soft shell, setting up the carrier of flexible electrical heater; And cooperating the shape of soft shell, carrier and hand warmer housing inner chamber close with size, both convenient the installation can make being heated more evenly of hand warmer housing, thermal effect better again.
Description of drawings
Fig. 1 is the structural representation of flexible electrical electro-heat equipment of the present invention;
Fig. 2 is another embodiment sketch map of flexible electrical electro-heat equipment of Fig. 1;
Fig. 3 is the front view of the flexible electrical electro-heat equipment of Fig. 2;
Fig. 4 is that the flexible electrical electro-heat equipment of Fig. 2 is installed in the sketch map in the hand warmer housing.
Embodiment
Embodiment one: as shown in Figure 1; The flexible electrical electro-heat equipment that a kind of hand warmer is used, it is arranged in the housing 1 of hand warmer, it is characterized in that; It comprises flexible electrical heater 21; Flexible electrical heater 21 is metal electric heated filament exposed, tiny (external diameter), and it turns to earlier has certain area of dissipation, is wrapped in the soft shell 22 of insulation again, and flexible electrical heater 21 constitutes whole syndeton with soft shell 22;
As: soft shell 22 is circular upper and lower two thin-film bodies, and flexible electrical heater 21 is a heating wire, and its center of circle coiled has conplane helical form to heating wire in following piece thin-film body upper edge; Can there be spacing between the heating wire of its coiled; But the conplane helical form heating wire formation of coiled has certain area of dissipation, at this moment; To go up the piece thin-film body again through its edge heat seal; That is: turning to heating wire, be wrapped in the soft shell 22 of insulation, constitute flexible electrical electro-heat equipment flat, circular thin layer with certain area of dissipation.
Embodiment two: extremely shown in Figure 4 like Fig. 2; For fixing electric heating body 21 better, also have additional carrier 23 in the said soft shell 22, flexible electrical heater 21 is to be fixed in the soft shell 22 through carrier 23; At this moment, flexible electrical heater 21 also can be a heating wire.
Among above-mentioned two kinds of embodiment, said soft shell 22 can be the flexible thin rete that PVC material or silica gel material are processed; And; Said soft shell 22 shapes are close with size with size and hand warmer housing 1 shape; The inner chamber of the area of carrier 23 and soft shell 22 is close, and the form that flexible electrical heater 21 is evenly distributed is wrapped on the said carrier 23, can improve the uniformity of its heat transfer; Said carrier 23 is cloth body or other fiber material.
The surface of said soft shell 22 is provided with a plurality of louvre 22-1, to improve its diffusing face area, improves its heat transfer efficiency team.
Claims (10)
1. flexible electrical electro-heat equipment that hand warmer is used; It is arranged in the housing (1) of hand warmer; It is characterized in that; It comprises flexible electrical heater (21), and said flexible electrical heater (21) turns in the soft shell (22) that has certain area of dissipation and be wrapped in insulation, and flexible electrical heater (21) constitutes whole syndeton with soft shell (22).
2. the flexible electrical electro-heat equipment of using according to the said hand warmer of claim 1 is characterized in that, said flexible electrical heater (21) is the flexible electrical heated filament.
3. the flexible electrical electro-heat equipment of using according to the said hand warmer of claim 1 is characterized in that, said flexible electrical heater (21) is a heating wire.
4. the flexible electrical electro-heat equipment of using according to claim 1 or 2 said hand warmers is characterized in that the soft shell of said insulation is the flexible thin rete of processing with the PVC material.
5. the flexible electrical electro-heat equipment of using according to claim 1 or 2 said hand warmers is characterized in that the soft shell of said insulation (22) is the flexible thin rete of processing with silica gel material.
6. the flexible electrical electro-heat equipment of using according to claim 1 or 2 said hand warmers is characterized in that, the shape of said soft shell (22) is close with size with the shape of hand warmer housing (1) inner chamber with size.
7. the flexible electrical electro-heat equipment of using according to the said hand warmer of claim 6 is characterized in that, said flexible electrical heater (21) is to be fixed in the soft shell (22) through carrier (23).
8. the flexible electrical electro-heat equipment of using according to the said hand warmer of claim 7 is characterized in that, the inner chamber of the area of said carrier (23) and soft shell (22) is close, and flexible electrical heater (21) is arranged on the said carrier (23) with equally distributed form.
9. the flexible electrical electro-heat equipment of using according to the said hand warmer of claim 7 is characterized in that, said carrier (23) is cloth body or other fiber material.
10. the flexible electrical electro-heat equipment of using according to the said hand warmer of claim 1 is characterized in that, the surface of said soft shell (22) is provided with a plurality of louvres (22-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102640841A CN102378421A (en) | 2010-08-20 | 2010-08-20 | Flexible electric heating device for hand warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102640841A CN102378421A (en) | 2010-08-20 | 2010-08-20 | Flexible electric heating device for hand warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102378421A true CN102378421A (en) | 2012-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102640841A Pending CN102378421A (en) | 2010-08-20 | 2010-08-20 | Flexible electric heating device for hand warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102378421A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442466A (en) * | 2013-05-31 | 2013-12-11 | 镇江天信电器有限公司 | Stainless steel electric heater for passenger car |
| CN105898903A (en) * | 2015-01-14 | 2016-08-24 | 大庆宏富来电气设备制造有限公司 | Explosion-proof electric heating device |
| CN110493899A (en) * | 2019-02-25 | 2019-11-22 | 安徽汇展热交换系统股份有限公司 | Integrated injection molding formula ptc heater and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004066676A1 (en) * | 2003-01-23 | 2004-08-05 | Beurer Gmbh & Co. | Soft heating device |
| CN2666383Y (en) * | 2003-12-24 | 2004-12-29 | 刘吉祥 | Hot compression physical therapeutical instrument |
| CN201279206Y (en) * | 2008-10-05 | 2009-07-29 | 邓建威 | Electric heating bag with flexible electric heating film heating body |
| CN201481638U (en) * | 2009-08-10 | 2010-05-26 | 东莞弘明空调服有限公司 | Heating seat cushion |
| CN201742582U (en) * | 2010-08-20 | 2011-02-09 | 邓建威 | Flexible electric heating device for hand warmer |
-
2010
- 2010-08-20 CN CN2010102640841A patent/CN102378421A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004066676A1 (en) * | 2003-01-23 | 2004-08-05 | Beurer Gmbh & Co. | Soft heating device |
| CN2666383Y (en) * | 2003-12-24 | 2004-12-29 | 刘吉祥 | Hot compression physical therapeutical instrument |
| CN201279206Y (en) * | 2008-10-05 | 2009-07-29 | 邓建威 | Electric heating bag with flexible electric heating film heating body |
| CN201481638U (en) * | 2009-08-10 | 2010-05-26 | 东莞弘明空调服有限公司 | Heating seat cushion |
| CN201742582U (en) * | 2010-08-20 | 2011-02-09 | 邓建威 | Flexible electric heating device for hand warmer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442466A (en) * | 2013-05-31 | 2013-12-11 | 镇江天信电器有限公司 | Stainless steel electric heater for passenger car |
| CN105898903A (en) * | 2015-01-14 | 2016-08-24 | 大庆宏富来电气设备制造有限公司 | Explosion-proof electric heating device |
| CN105898903B (en) * | 2015-01-14 | 2018-10-19 | 大庆宏富来电气设备制造有限公司 | Explosion-proof electric heating apparatus |
| CN110493899A (en) * | 2019-02-25 | 2019-11-22 | 安徽汇展热交换系统股份有限公司 | Integrated injection molding formula ptc heater and preparation method thereof |
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Application publication date: 20120314 |