CN201742582U - Flexible electric heating device for hand warmer - Google Patents

Flexible electric heating device for hand warmer Download PDF

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Publication number
CN201742582U
CN201742582U CN2010205063428U CN201020506342U CN201742582U CN 201742582 U CN201742582 U CN 201742582U CN 2010205063428 U CN2010205063428 U CN 2010205063428U CN 201020506342 U CN201020506342 U CN 201020506342U CN 201742582 U CN201742582 U CN 201742582U
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CN
China
Prior art keywords
flexible electrical
hand warmer
soft shell
flexible
heat equipment
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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
Application number
CN2010205063428U
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Chinese (zh)
Inventor
邓建威
Original Assignee
邓建威
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 邓建威 filed Critical 邓建威
Priority to CN2010205063428U priority Critical patent/CN201742582U/en
Application granted granted Critical
Publication of CN201742582U publication Critical patent/CN201742582U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a flexible electric heating device for hand warmer, which is disposed in the housing of a hand warmer and comprises a flexible electric heater. The utility model is characterized in that the flexible electric heating body is winded to have a certain heat dissipation area and is warped in the insulated flexible housing and forms an integral structure with the flexible housing. The utility model has advantages of reasonable structure, safe utilization, even heating and good hand feeling.

Description

The flexible electrical electro-heat equipment that hand warmer is used
Technical field
The utility model 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, be perfused with heat-conducting liquid, be provided with electric heating body in the heat-conducting liquid, on the bag wall of described bag electrical socket is installed, electric heating body is electrically connected with external power source by 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 the following disadvantages: (1) hand warmer system uses for hand or other position heating of health, and 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, be subjected to 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, the heating wire of loose condition (of surface) is when hand warmer energising heating again, 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, cause the dry combustion method phenomenon, make 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).
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 rational in infrastructure, and is safe in utilization, the flexible electrical electro-heat equipment that is heated evenly and uses the hand warmer of good hand touch to use.
The purpose of this utility model 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, described flexible electrical heater turns to have certain area of dissipation and is wrapped in the soft shell of insulation, and flexible electrical heater and soft shell constitute whole syndeton; This kind of electric heating device, make electric heating body by using flexible material, and electric heating body turned to have certain area of dissipation, and the soft shell of sealed system insulation in, common formation flexible electrical electro-heat equipment, it is cooperated with the bag (being the hand warmer housing) and the conducting liquid (liquid in the hand warmer housing) of flexibility, 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 heat-conducting liquid in the hand warmer housing by electric heating body by soft shell, because being insulation and electric heating body, soft shell is sealed in the soft shell, therefore, both can avoid electric heating body directly to expose to heat-conducting liquid, and the hidden danger that causes, again can be by increasing the area (volume) of soft shell, to improve the heat transfer area between it and the heat-conducting liquid, make it be subjected to (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 in hand warmer the existing easy deformation of flexible electrical hot line of directly placing loose condition (of surface) and the defective of dry combustion method, and twines the inhomogeneous deficiency that waits of existing feel difference and be heated (heat transfer) by fixed mount power supply hot line.
The purpose of this utility model can also adopt following technical measures to solve:
As better embodiment, described flexible electrical heater can be the flexible electrical heated filament, it with exposed wire by in the soft shell that turns to certain radiating surface, sealed system insulation again, the flexible electric heating filament winding becomes certain area, and make it close with soft shell inner chamber area, improving the uniformity of soft shell heating surface, thereby improve the being heated evenly property of whole hand warmer.
As better embodiment, described 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 being heated evenly property of whole hand warmer.
As further improved plan, the soft shell of described insulation is the flexible thin rete made from the PVC material; Utilize the PVC material to make the flexible thin rete, the flexibility that both can keep electric heating device keeps good hand feeling, is convenient to processing again, can make the flexible electrical heater of flat by injection molding machine and heat seal operation, this is different from the processing method of traditional electric heater unit.
The soft shell of described insulation also can be the flexible thin rete that silica gel material is made, and it can keep the flexibility of electric heating device equally, keeps good hand feeling, makes the flexible electrical heater of flat.
In order to make being heated of hand warmer more even, the shape of described soft shell and size are close with size with the shape of hand warmer housing, and both convenient installations can make again that being heated of hand warmer housing is more even, thermal effect is better.
Described flexible electrical heater is to be fixed in the soft shell by carrier, with fixing flexible electric heating body better.
The area of described carrier is close with the inner chamber of soft shell, and the flexible electrical heater is arranged on the described carrier with equally distributed form, to constitute the state of Homogeneouslly-radiating.
Described 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 described 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 beneficial effects of the utility model are:
(1) the flexible electrical electro-heat equipment used of this kind of hand warmer, make electric heating body by using flexible material, and electric heating body turned to have certain area of dissipation, and the soft shell of sealed system insulation in, common formation flexible electrical electro-heat equipment, 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 heat-conducting liquid in the hand warmer housing by electric heating body by soft shell, because being insulation and electric heating body, soft shell is sealed in the soft shell, therefore, both can avoid electric heating body directly to expose to heat-conducting liquid, and the hidden danger that causes, again can be by increasing the area (volume) of soft shell, to improve the heat transfer area between it and the heat-conducting liquid, make it be subjected to (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 in hand warmer the existing easy deformation of flexible electrical hot line of directly placing loose condition (of surface) and the defective of dry combustion method, and twines the inhomogeneous deficiency that waits of existing feel difference and be heated (heat transfer) by fixed mount power supply hot line.
(2) have again, the flexible electrical heater of this kind of electric heating device, can adopt flexible electrical heated filament or flexible electrical hot line, 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 make the flexible electrical heater of flat by 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 by 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 again that being heated of hand warmer housing is more even, thermal effect is better.
Description of drawings
Fig. 1 is the structural representation of the utility model flexible electrical electro-heat equipment;
Fig. 2 is another embodiment schematic diagram 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 schematic diagram 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 heating silk 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, flexible electrical heater 21 is a heating wire, heating wire has conplane helical form at its center of circle coiled of 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 by its edge heat seal, that is: turning to heating wire with certain area of dissipation, be wrapped in the soft shell 22 of insulation, constitute flexible electrical electro-heat equipment flat, circular thin layer.
Embodiment two: extremely shown in Figure 4 as Fig. 2, for fixing electric heating body 21 better, also have additional carrier 23 in the described soft shell 22, flexible electrical heater 21 is to be fixed in the soft shell 22 by carrier 23, at this moment, flexible electrical heater 21 also can be a heating wire.
Among above-mentioned two kinds of embodiment, described soft shell 22 can be the flexible thin rete that PVC material or silica gel material are made; And, described soft shell 22 shapes and size are close with size with 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 described carrier 23, can improve the uniformity of its heat transfer; Described carrier 23 is cloth body or other fiber material.
The surface of described 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), described 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 described hand warmer of claim 1 is characterized in that, described flexible electrical heater (21) is the flexible electrical heated filament.
3. the flexible electrical electro-heat equipment of using according to the described hand warmer of claim 1 is characterized in that, described flexible electrical heater (21) is a heating wire.
4. the flexible electrical electro-heat equipment of using according to claim 1 or 2 described hand warmers is characterized in that the soft shell of described insulation is the flexible thin rete made from the PVC material.
5. the flexible electrical electro-heat equipment of using according to claim 1 or 2 described hand warmers is characterized in that the soft shell of described insulation (22) is the flexible thin rete made from silica gel material.
6. the flexible electrical electro-heat equipment of using according to claim 1 or 2 described hand warmers is characterized in that, the shape of described soft shell (22) and size are close with size with the shape of hand warmer housing (1) inner chamber.
7. the flexible electrical electro-heat equipment of using according to the described hand warmer of claim 6 is characterized in that, described flexible electrical heater (21) is to be fixed in the soft shell (22) by carrier (23).
8. the flexible electrical electro-heat equipment of using according to the described hand warmer of claim 7 is characterized in that, the inner chamber of the area of described carrier (23) and soft shell (22) is close, and flexible electrical heater (21) is arranged on the described carrier (23) with equally distributed form.
9. the flexible electrical electro-heat equipment of using according to the described hand warmer of claim 7 is characterized in that, described carrier (23) is cloth body or other fiber material.
10. the flexible electrical electro-heat equipment of using according to the described hand warmer of claim 1 is characterized in that, the surface of described soft shell (22) is provided with a plurality of louvres (22-1).
CN2010205063428U 2010-08-20 2010-08-20 Flexible electric heating device for hand warmer Expired - Fee Related CN201742582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205063428U CN201742582U (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
CN2010205063428U CN201742582U (en) 2010-08-20 2010-08-20 Flexible electric heating device for hand warmer

Publications (1)

Publication Number Publication Date
CN201742582U true CN201742582U (en) 2011-02-09

Family

ID=43557861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205063428U Expired - Fee Related CN201742582U (en) 2010-08-20 2010-08-20 Flexible electric heating device for hand warmer

Country Status (1)

Country Link
CN (1) CN201742582U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378421A (en) * 2010-08-20 2012-03-14 邓建威 Flexible electric heating device for hand warmer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378421A (en) * 2010-08-20 2012-03-14 邓建威 Flexible electric heating device for hand warmer

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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: Deng Jianwei

Contract record no.: 2012440000382

Denomination of utility model: Flexible electric heating device for hand warmer

Granted publication date: 20110209

License type: Exclusive License

Record date: 20120712

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110209

Termination date: 20150820

EXPY Termination of patent right or utility model