CN202799210U - Insulated heater - Google Patents
Insulated heater Download PDFInfo
- Publication number
- CN202799210U CN202799210U CN 201220464478 CN201220464478U CN202799210U CN 202799210 U CN202799210 U CN 202799210U CN 201220464478 CN201220464478 CN 201220464478 CN 201220464478 U CN201220464478 U CN 201220464478U CN 202799210 U CN202799210 U CN 202799210U
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- Prior art keywords
- heat
- insulation heater
- conducting glue
- conducting
- composition
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Abstract
An insulated heater comprises a heating unit, two heat diffusion units and heat-conducting glue. The heating unit comprises two electrode plates and at least one PTC (positive temperature coefficient) heating element, the PTC heating elements are clamped between the two electrode plates, each heat diffusion unit comprises a wavy metal fin and two heat-conducting plates, wherein the wavy metal fin is clamped between the two heat-conducting plates, each heat diffusion unit is attached to one electrode plate through the heat-conducting plates, and the heat-conducting glue is coated on the electrode plates and attached between the heat diffusion units on the electrode plates. The heat resistance between each heat diffusion unit and the corresponding electrode plate is decreased as the heat diffusion units and the electrode plates are directly adhered by the heat-conducting glue.
Description
Technical field
The utility model is relevant for the warm air heating arrangement, and is particularly a kind of by the direct bonding insulation heater of heat-conducting glue.
Background technology
The hot type of heating often is applied to the heaters such as clothes drying machine, washing machine, auxiliary automotive heater, drier for bathroom, electric heater or dish drier, generally comprise the hot type of heating and be connected to the both sides of a resistance with two electrodes to provide load that resistance is heated up, thermal energy conduction to the two group fin (fin is attached on two electrodes) that again resistance is produced, heat energy see through fin again and are dissipated in the air.
The existing hot type of heating often uses gum as the bonding interface of fin and electrode so that assembling, its shortcoming is, gum layer is the film that a two sides scribbles viscose glue, therefore the heat energy self-electrode conducts in the process of fin needs through twice viscose glue and one film, gum layer has increased the thermal resistance in the heat transfer process, so that the heat conduction efficiency of the known hot type of heating is clear, moreover the adhesion strength deficiency of gum layer also so that its spare part be easy to come off.
The utility model content
The purpose of this utility model is to provide a kind of insulation heater, and its structure is so that its each interelement heat conduction efficiency is better than known technology.
For reaching above-mentioned purpose, the utility model provides a kind of insulation heater, and it comprises a heating unit, two thermal diffusion unit and a heat-conducting glue.Heating unit comprises two battery lead plates and at least one PTC (Positive Temperature Coefficient) heating plate, the PTC heating plate is located between two battery lead plates, each thermal diffusion unit comprises a corrugated metal fin and two heat-conducting plates, the corrugated metal fin is located between two heat-conducting plates, the thermal diffusion unit is attached at a wherein battery lead plate by heat-conducting plate respectively, and heat-conducting glue is coated between each battery lead plate and the attaching thermal diffusion unit thereon.
Preferably, aforesaid insulation heater, its PTC heating plate is coated by heat-conducting glue.
Preferably, aforesaid insulation heater, the side of its heat-conducting plate is coated by heat-conducting glue.
Preferably, aforesaid insulation heater, the composition of its heat-conducting glue are silica gel.
Preferably, aforesaid insulation heater, the composition of its heat-conducting glue comprises plastic cement.
Preferably, aforesaid insulation heater, the composition of its heat-conducting glue comprise Teflon (Teflon).
Preferably, aforesaid insulation heater, the composition of its heat-conducting glue comprise poly-mercapto ammonia (polyamide).
Preferably, aforesaid insulation heater, the composition of its heat-conducting glue comprise epoxy resin (epoxy).
Preferably, aforesaid insulation heater, the composition of its heat-conducting glue comprises ceramic powders.
Preferably, aforesaid insulation heater, the surface pressure of its corrugated metal fin is provided with an indent.
Preferably, aforesaid insulation heater, its corrugated metal fin bending and have and be a plurality of crests that two row are oppositely arranged offers a pair of chute between two crests.
Preferably, aforesaid insulation heater, its corrugated metal fin bending and have and be a plurality of crests that two row are oppositely arranged, wherein each crest of row offers respectively a pair of chute.
Preferably, aforesaid insulation heater, process through metal spraying on the surface of its PTC heating plate and the surface of battery lead plate.
Preferably, aforesaid insulation heater, process through anode on the surface of its PTC heating plate and the surface of battery lead plate.
Insulation heater of the present utility model increases the heat conduction efficiency between each element by the direct adhesion heat diffusion unit of heat-conducting glue and battery lead plate minimizing thermal resistance therebetween, has effectively improved the shortcoming of known technology.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the insulation heater of the utility model the first embodiment;
Fig. 2 is the schematic perspective view of the insulation heater of the utility model the first embodiment;
Fig. 3 is the longitudinal sectional view of the insulation heater of the utility model the first embodiment;
Fig. 4 is the transverse sectional view of the insulation heater of the utility model the first embodiment;
Fig. 5 is the schematic diagram of the insulation heater of the utility model the second embodiment;
Fig. 6 is the longitudinal sectional view of the insulation heater of the utility model the second embodiment;
Fig. 7 is the schematic diagram of another kind of aspect of the insulation heater of the utility model the second embodiment;
Fig. 8 is the schematic diagram of the insulation heater of the utility model the 3rd embodiment;
Fig. 9 is the schematic diagram of the second aspect of the insulation heater of the utility model the 3rd embodiment;
Figure 10 is the schematic diagram of the third aspect of the insulation heater of the utility model the 3rd embodiment.
Wherein, Reference numeral:
100 heating units, 111/112 battery lead plate
120 PTC heating plates, 200/300 thermal diffusion unit
210/310 corrugated metal fin, 211/311 indent
213/313 pair of chute of 212/312 crest
220/320 heat-conducting plate, 400 heat-conducting glues
500 heat conduction adhesive plasters
Embodiment
Consult Fig. 1 and Fig. 2, the first embodiment of the present utility model provides a kind of insulation heater, and it comprises a heating unit 100, two thermal diffusion unit 200/300 and a heat-conducting glue 400.Two thermal diffusion unit 200/300 are attached at respectively two relative sides of heating unit 100, be coated with respectively liquid heat-conducting glue 400 between each thermal diffusion unit 200/300 and the heating unit 100, solidify postadhesion thermal diffusion unit 200/300 and heating unit 100 by heat-conducting glue 400, the heat energy that heating unit 100 produces sees through heat-conducting glue 400 and conducts to each thermal diffusion unit 200/300, and heat energy is dissipated in the surrounding air via each thermal diffusion unit 200/300 again.
Consult Fig. 1 and Fig. 3, heating unit 100 comprises two battery lead plates 111/112 and a plurality of PTC heating plate 120.Battery lead plate 111/112 is the rectangular metal sheet of strip, and it preferably can be the better metals of heat conductivity such as copper or aluminium and makes, but the utility model is not limited to this.Thermistor (the PTC that PTC heating plate 120 is preferably made for pottery, Positive Temperature Coefficient), PTC heating plate 120 is located between two battery lead plates 111/112, in present embodiment, be coated with respectively liquid heat-conducting glue 400 between PTC heating plate 120 and each battery lead plate 111/112, solidify postadhesion PTC heating plate 120 and battery lead plate 111/112 by heat-conducting glue 400.
Each thermal diffusion unit 200/300 comprises respectively a corrugated metal fin 210/310 and two heat-conducting plates 220/320.Corrugated metal fin 210/310 is bent into wavy by the rectangular metal sheet of strip and has and be a plurality of crests 212/312 that two row are oppositely arranged (preferably can be the better metals of heat conductivity such as copper or aluminium makes, but the utility model is not limited to this), and the surface pressure of corrugated metal fin 210/310 is provided with an indent 211/311 to increase the contact area of itself and air.Heat-conducting plate 220/320 is the metal plate of long rectangle, corrugated metal fin 210/310 is located between two heat-conducting plates 220/320, heat-conducting plate 220/320 fits in respectively the crest 212/312 of corrugated metal fin 210/310 both sides, heat-conducting plate 220/320 preferably can be the better metals of heat conductivity such as copper or aluminium and makes, but the utility model is not limited to this.Two thermal diffusion unit 200/300 are attached at a wherein battery lead plate 111/112 by heat-conducting plate 220/320 respectively.
Consult Fig. 4, therefore the width of PTC heating plate 120 can make the maximum heating face of PTC heating plate 120 contact fully with thermal diffusion unit 200/300 preferably less than the width of thermal diffusion unit 200/300.Preferably, the surface of the surface of aforesaid PTC heating plate 120 and battery lead plate 111/112 can be processed or anode is processed and strengthened adhesive force between itself and the heat-conducting glue 400 via metal spraying, so that each element of insulation heater of the present utility model firmly links.
The coating position of heat-conducting glue 400 such as aforementioned, the composition of heat-conducting glue 400 can comprise silicon, and for example heat-conducting glue 400 is silica gel.The composition of heat-conducting glue 400 also can comprise plastic cement, for example Teflon (Teflon) or poly-mercapto ammonia (polyamide).The composition of heat-conducting glue 400 also can comprise epoxy resin (epoxy).The composition of heat-conducting glue 400 also can comprise ceramic powders, such as the aluminium that gasifies (Al2O3), silicon nitride (Si3N4), aluminium nitride (AlN) or carborundum (SiC) etc.
The composition of heat-conducting glue 400 also can comprise and mix silicon and ceramic powders in addition, and wherein ceramic powders is as aforementioned.Moreover the composition of heat-conducting glue 400 also can comprise and mix plastic cement and ceramic powders.Can comprise blending epoxy (epoxy) and ceramic powders.Consult Fig. 5 and Fig. 6, the second embodiment of the present utility model provides a kind of insulation heater, and it comprises a heating unit 100, two thermal diffusion unit 200/300 and a heat-conducting glue 400.The kind of present embodiment insulation heater, its structure be roughly as aforementioned the first embodiment, identical be in this and be not repeated, they are different be in, each thermal diffusion unit 200/300 comprises respectively a corrugated metal fin 210/310 and two heat-conducting plates 220/320.Corrugated metal fin 210/310 is bent into wavy by the rectangular metal sheet of strip and has and be a plurality of crests 212/312 that two row are oppositely arranged (preferably can be the better metals of heat conductivity such as copper or aluminium makes, but the utility model is not limited to this), wherein offer respectively a pair of chute 213/313 on each crest 212/312 of row to increase the convection efficiency of corrugated metal fin 210/310 and surrounding air.But the utility model is not limited to this, and corrugated metal fin 210/310 also can not offered chute 213/313 or be installed with indent 211/311.
Consult Fig. 7, the utility model does not limit the form of chute 213, and it also can be opened between two crests 212.
Consult Fig. 8, the 3rd embodiment of the present utility model provides a kind of insulation heater, and it comprises a heating unit 100, two thermal diffusion unit 200/300 and a heat-conducting glue 400.The kind insulation heater of present embodiment, its structure is roughly as aforementioned the first embodiment, something in common is not repeated in this, its difference is, the side of heating unit 100 is coated with heat-conducting glue 400, therefore so that PTC heating plate 120 is coated by heat-conducting glue 400, so PTC heating plate 120 side that more can see through heating unit 100 reach better heat with thermal energy conduction and passes effect to thermal diffusion unit 200/300.Also can extend the side (the second aspect as shown in Figure 9) that coats heat-conducting plate 220/320, moreover the side of heat-conducting plate 220/320 also can attach a heat conduction adhesive plaster 500 and link hot glue 400 (the third aspect as shown in figure 10).
Insulation heater of the present utility model increases heat conduction efficiency between each element by heat-conducting glue 400 direct bonding each element.Moreover the adhesion strength after liquid heat conductive glue 400 solidifies also is better than gum, so the utility model has effectively improved the shortcoming of known technology.
The above only is preferred embodiment of the present utility model, and non-in order to limit claim of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to claim of the present utility model.
Claims (16)
1. an insulation heater is characterized in that, comprises:
One heating unit, this heating unit comprise two battery lead plates and at least one PTC heating plate, and this PTC heating plate is located between these two battery lead plates;
Two thermal diffusion unit, respectively this thermal diffusion unit comprises a corrugated metal fin and two heat-conducting plates, and this corrugated metal fin is located between these two heat-conducting plates, and those thermal diffusion unit are attached at wherein this battery lead plate by this heat-conducting plate respectively; And
One heat-conducting glue, this heat-conducting glue are coated respectively this battery lead plate and are attached between this thermal diffusion unit of this battery lead plate.
2. insulation heater as claimed in claim 1 is characterized in that, this PTC heating plate is coated by this heat-conducting glue.
3. insulation heater as claimed in claim 1 is characterized in that, the side of this heat-conducting plate is coated by this heat-conducting glue.
4. insulation heater as claimed in claim 1 is characterized in that, the composition of this heat-conducting glue is silica gel.
5. insulation heater as claimed in claim 1 is characterized in that, the composition of this heat-conducting glue comprises plastic cement.
6. insulation heater as claimed in claim 4 is characterized in that, the composition of this heat-conducting glue comprises Teflon.
7. insulation heater as claimed in claim 4 is characterized in that, the composition of this heat-conducting glue comprises poly-mercapto ammonia.
8. insulation heater as claimed in claim 1 is characterized in that, the composition of this heat-conducting glue comprises epoxy resin.
9. insulation heater as claimed in claim 1 is characterized in that, the composition of this heat-conducting glue comprises ceramic powders.
10. insulation heater as claimed in claim 1 is characterized in that, the surface pressure of this corrugated metal fin is provided with an indent.
11. insulation heater as claimed in claim 1 is characterized in that, this corrugated metal fin bending and have and be a plurality of crests that two row are oppositely arranged offers a pair of chute between two these crests.
12. insulation heater as claimed in claim 1 is characterized in that, this corrugated metal fin bending and have and be a plurality of crests that two row are oppositely arranged, and wherein respectively this crest of row offers respectively a pair of chute.
13. insulation heater as claimed in claim 1 is characterized in that the surface of this PTC heating plate is processed through metal spraying.
14. insulation heater as claimed in claim 1 is characterized in that the surface of those battery lead plates is processed through anode.
15. insulation heater as claimed in claim 2 is characterized in that, the composition of this heat-conducting glue is silica gel.
16. insulation heater as claimed in claim 3 is characterized in that, the composition of this heat-conducting glue is silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464478 CN202799210U (en) | 2012-09-12 | 2012-09-12 | Insulated heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464478 CN202799210U (en) | 2012-09-12 | 2012-09-12 | Insulated heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202799210U true CN202799210U (en) | 2013-03-13 |
Family
ID=47826375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220464478 Expired - Fee Related CN202799210U (en) | 2012-09-12 | 2012-09-12 | Insulated heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202799210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658775A (en) * | 2015-11-02 | 2017-05-10 | 谢彦君 | Application of organosilicon silica gel to PTC electric heater |
| CN109429383A (en) * | 2017-08-25 | 2019-03-05 | 钡泰电子陶瓷股份有限公司 | Have the thermistor-type heater and its group equipment, method of radiator structure |
| CN109743792A (en) * | 2018-12-07 | 2019-05-10 | 武汉航空仪表有限责任公司 | A kind of PTC ceramics heater |
-
2012
- 2012-09-12 CN CN 201220464478 patent/CN202799210U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658775A (en) * | 2015-11-02 | 2017-05-10 | 谢彦君 | Application of organosilicon silica gel to PTC electric heater |
| CN109429383A (en) * | 2017-08-25 | 2019-03-05 | 钡泰电子陶瓷股份有限公司 | Have the thermistor-type heater and its group equipment, method of radiator structure |
| CN109743792A (en) * | 2018-12-07 | 2019-05-10 | 武汉航空仪表有限责任公司 | A kind of PTC ceramics heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20190912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |