CN105554924A - Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater - Google Patents
Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater Download PDFInfo
- Publication number
- CN105554924A CN105554924A CN201610075910.5A CN201610075910A CN105554924A CN 105554924 A CN105554924 A CN 105554924A CN 201610075910 A CN201610075910 A CN 201610075910A CN 105554924 A CN105554924 A CN 105554924A
- Authority
- CN
- China
- Prior art keywords
- ptc
- insulating coating
- heater
- silica gel
- heat radiation
- Prior art date
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000011247 coating layer Substances 0.000 title abstract 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000741 silica gel Substances 0.000 claims abstract description 31
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims description 56
- 238000000576 coating method Methods 0.000 claims description 56
- 230000005855 radiation Effects 0.000 claims description 30
- 229920001721 polyimide Polymers 0.000 claims description 7
- 239000009719 polyimide resin Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract 4
- 239000010410 layer Substances 0.000 abstract 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses a positive temperature coefficient (PTC) heater with insulation coating layers and a preparation method of the PTC heater. The PTC heater comprises cooling aluminum strips and a PTC heating body, wherein the inner side surfaces of the cooling aluminum strips are coated with the insulation coating layers, the PTC heating body comprises a PTC heating sheet and electrode plates, the electrode plates are arranged on the upper surface and the lower surface of the PTC heating sheet, first silica gel layers are arranged between the electrode plates and the PTC heating sheet, the PTC heating body is arranged on the surfaces of the cooling aluminum strips coated with the insulation coating layers, and second silica gel layers are further arranged between the electrode plates and the surfaces of the cooling aluminum strips coated with the insulation coating layers. Compared with the prior art, the PTC heater has the advantages that a piece of insulation paper and an aluminum pipe which are used for wrapping the PTC heating body are omitted; and on the basis of no influence on the heating performance of the PTC heater, the cost is greatly reduced, and the daily demand of people is satisfied.
Description
Technical field
The invention belongs to PTC technical field of heating, be specifically related to a kind of ptc heater with insulating coating and preparation method thereof.
Background technology
Ptc heater adopts PTC pottery as core heater element, and with traditional heating wire, electrothermal tube, Far-infrared quartz heater is compared, can be temperature automatically controlled, uses voltage range wide, and the flames of anger, safe and reliable, the life-span is long.Ptc heater product is widely used in the auxiliary heating of family expenses and business air conditioner.
Ptc heater generally adopts polyimide film as wrapped with insulation PTC potsherd and electrode slice, then the PTC potsherd wrapped and electrode slice to be positioned in aluminum pipe and to compress aluminum pipe, PTC potsherd and electrode slice and aluminum pipe are fitted tightly, finally by bonding for the aluminum strip heat conductive silica gel of aluminum pipe and heat transmission.Its operation principle is, when air-conditioning the wind that blows with fan through ptc heater, air flowing can be taken away the heat on heat radiation aluminum strip, thus the temperature of PTC pottery is declined, due to the distinctive positive temperature coefficient thermal sensitive effect of PTC pottery, its resistance reduces rapidly, and electric current increases, and this makes it possible to fully the power of PTC be brought into play.But due to the competition of current air-conditioning heater, the cost of the ptc heater adopting said method to prepare is higher, is difficult to meet the demand of client for price.
Therefore, a kind of lower-cost ptc heater with insulating coating and preparation method thereof is needed badly.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of ptc heater with insulating coating and preparation method thereof.
In order to achieve the above object, technical scheme of the present invention is as follows:
The invention provides a kind of ptc heater with insulating coating, comprising:
This ptc heater comprises heat radiation aluminum strip, and its inner surface is coated with insulating coating; PTC calandria, comprise PTC heating plate and electrode slice, electrode slice be arranged at the upper surface of PTC heating plate and lower surface and and be provided with the first layer of silica gel between PTC heating plate, PTC calandria is positioned over the heat radiation aluminum strip surface being coated with insulating coating, is also provided with the second layer of silica gel between electrode slice and the heat radiation aluminum strip surface being coated with insulating coating.
The present invention, compared to prior art, eliminates insulating paper and the aluminum pipe of parcel PTC calandria, on the basis of heating properties not affecting ptc heater, greatly reduces cost, meet the daily need of people.
Wherein, according to actual needs, can select, above-mentioned insulating coating is polyimide resin insulating coating, and the thickness of polyimide resin insulating coating is 20-500 μm.Can also select, insulating coating is silicone insulation coating, and the thickness of silicone insulation coating is 0.05-1mm.
On the basis of technique scheme, also can do following improvement:
As preferred scheme, the surrounding of above-mentioned PTC calandria is also sealed with the 3rd layer of silica gel.
Adopt above-mentioned preferred scheme, be sealed with the 3rd layer of silica gel, increase creepage distance on the one hand, improve serviceability, it also avoid Long-Time Service PTC calandria side is infected with impurity on the other hand.
The present invention also provides a kind of preparation method with the ptc heater of insulating coating, comprises the following steps:
Step one, selects heat radiation aluminum strip, in the inner surface spray insulation coating of heat radiation aluminum strip;
Step 2, the insulating coating of heat radiation aluminum strip applies the first layer of silica gel, is then pasted on by electrode slice in the first layer of silica gel;
Step 3, electrode slice will apply the second layer of silica gel, is then positioned over by PTC heating plate between the electrode slice on the upper inner surface of heat radiation aluminum strip, lower inner surface;
Step 4, is cured heat radiation aluminum strip entirety, has solidified the ptc heater that rear acquisition has insulating coating.
As preferred scheme, above-mentioned step 3 also comprises, by the surrounding silica gel sealing of PTC heating plate and electrode slice.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the partial enlargement structural representation of Fig. 1 of the present invention.
Wherein, 1. dispel the heat aluminum strip, 2. insulating coating, 3. the first layer of silica gel, 4. electrode slice, 5. the second layer of silica gel, 6.PTC heating plate.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
In order to reach object of the present invention, as shown in Figure 1 to Figure 2, in wherein a kind of execution mode of the present invention, provide a kind of ptc heater with insulating coating, comprising:
Heat radiation aluminum strip 1, its inner surface is coated with insulating coating 2;
PTC calandria, comprise PTC heating plate 6 and electrode slice 4, electrode slice 4 be arranged at the upper surface of PTC heating plate 6 and lower surface and and be provided with the first layer of silica gel 3 between PTC heating plate 6, PTC calandria is positioned over the heat radiation aluminum strip surface being coated with insulating coating, is also provided with the second layer of silica gel 5 between the heat radiation aluminum strip surface being coated with insulating coating of electrode slice 4.
Present embodiment, compared to prior art, eliminates insulating paper and the aluminum pipe of parcel PTC calandria, on the basis of heating properties not affecting ptc heater, greatly reduces cost, meet the daily need of people.
Wherein, according to actual needs, can select, above-mentioned insulating coating 2 is polyimide resin insulating coating, and the thickness of polyimide resin insulating coating is 20-500 μm, present embodiment optional 20 μm, 50 μm, 100 μm, 200 μm, 300 μm, 400 μm and 500 μm, insulating coating 2 is silicone insulation coating, the thickness of silicone insulation coating is 0.05-1mm, present embodiment optional 0.05mm, 0.1mm, 05mm, 0.8mm, 1mm.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the surrounding of above-mentioned PTC calandria is also sealed with the 3rd layer of silica gel (not shown).
Adopt above-mentioned preferred scheme, be sealed with the 3rd layer of silica gel, increase creepage distance on the one hand, improve serviceability, it also avoid Long-Time Service PTC calandria side is infected with impurity on the other hand.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, present embodiment also provides a kind of preparation method with the ptc heater of insulating coating, comprises the following steps:
Step one, selects heat radiation aluminum strip 1, in the inner surface spray insulation coating 2 of heat radiation aluminum strip 1;
Step 2, the insulating coating 2 of heat radiation aluminum strip 1 applies the first layer of silica gel 3, is then pasted on by electrode slice 4 in first layer of silica gel 3;
Step 3, electrode slice 4 will apply the second layer of silica gel 5, is then positioned over by PTC heating plate 6 between the electrode slice 4 on the upper inner surface of heat radiation aluminum strip, lower inner surface;
Step 4, heat radiation aluminum strip 1 entirety is cured, solidify the ptc heater that rear acquisition has insulating coating, wherein, the temperature of described solidification is 100 DEG C-250 DEG C, optional 120,200,250 DEG C of present embodiment, more than the 5 minutes time of solidification, optional 1,1.5,2 hour of present embodiment.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, present embodiment also provides a kind of preparation method with the ptc heater of insulating coating, comprises the following steps:
Step one, selects heat radiation aluminum strip 1, in the inner surface spray insulation coating 2 of heat radiation aluminum strip 1;
Step 2, the insulating coating 2 of heat radiation aluminum strip 1 applies the first layer of silica gel 3, is then pasted on by electrode slice 4 in first layer of silica gel 3;
Step 3, electrode slice 4 will apply the second layer of silica gel 5, is then positioned over by PTC heating plate 6 between the electrode slice 4 on the upper inner surface of heat radiation aluminum strip, lower inner surface, then by the surrounding silica gel sealing of PTC heating plate 6;
Step 4, is cured heat radiation aluminum strip 1 entirety, has solidified the ptc heater that rear acquisition has insulating coating.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. there is a ptc heater for insulating coating, it is characterized in that, comprising:
Heat radiation aluminum strip, its inner surface is coated with insulating coating;
PTC calandria, comprise PTC heating plate and electrode slice, described electrode slice is arranged at the upper surface of described PTC heating plate and lower surface and is provided with the first layer of silica gel between itself and described PTC heating plate, described PTC calandria be positioned over be coated with insulating coating heat radiation aluminum strip surface, described electrode slice and be also provided with the second layer of silica gel between the heat radiation aluminum strip surface being coated with insulating coating.
2. the ptc heater with insulating coating according to claim 1, is characterized in that, described insulating coating is polyimide resin insulating coating, and the thickness of described polyimide resin insulating coating is 20-500 μm.
3. the ptc heater with insulating coating according to claim 1, is characterized in that, described insulating coating is silicone insulation coating, and the thickness of described silicone insulation coating is 0.05-1mm.
4. the ptc heater with insulating coating according to claim 1, is characterized in that, the surrounding of described PTC calandria is also sealed with the 3rd layer of silica gel.
5. the preparation method with the ptc heater of insulating coating as described in as arbitrary in claim 1-4, is characterized in that, comprise the following steps:
Step one, selects heat radiation aluminum strip, in the inner surface spray insulation coating of heat radiation aluminum strip;
Step 2, the insulating coating of heat radiation aluminum strip applies the first layer of silica gel, is then pasted on by electrode slice in the first layer of silica gel;
Step 3, electrode slice will apply the second layer of silica gel, is then positioned over by PTC heating plate between the electrode slice on heat radiation aluminum strip on inner surface, lower inner surface;
Step 4, is cured heat radiation aluminum strip entirety, has solidified the ptc heater that rear acquisition has insulating coating.
6. the preparation method with the ptc heater of insulating coating according to claim 5, is characterized in that, the temperature of described solidification is 100 DEG C-250 DEG C, more than the 5 minutes time of solidification.
7. the preparation method with the ptc heater of insulating coating according to claim 5, is characterized in that, described step 3 also comprises, by the surrounding silica gel sealing of PTC calandria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075910.5A CN105554924A (en) | 2016-02-03 | 2016-02-03 | Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075910.5A CN105554924A (en) | 2016-02-03 | 2016-02-03 | Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105554924A true CN105554924A (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610075910.5A Pending CN105554924A (en) | 2016-02-03 | 2016-02-03 | Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105554924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113905467A (en) * | 2021-11-04 | 2022-01-07 | 苏州法密利电子科技有限公司 | Improved PTC heater and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202889674U (en) * | 2012-09-29 | 2013-04-17 | 广东美的制冷设备有限公司 | Adhesive type ceramic PTC heater |
| CN203368775U (en) * | 2013-05-22 | 2013-12-25 | 苏州新业电子有限公司 | PTC heater for electric car |
| CN104144530A (en) * | 2014-07-21 | 2014-11-12 | 谢彦君 | Electric heating device and manufacturing method of electric heating device |
| CN205430636U (en) * | 2016-02-03 | 2016-08-03 | 苏州新业电子股份有限公司 | PTC heater with insulating coating |
-
2016
- 2016-02-03 CN CN201610075910.5A patent/CN105554924A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202889674U (en) * | 2012-09-29 | 2013-04-17 | 广东美的制冷设备有限公司 | Adhesive type ceramic PTC heater |
| CN203368775U (en) * | 2013-05-22 | 2013-12-25 | 苏州新业电子有限公司 | PTC heater for electric car |
| CN104144530A (en) * | 2014-07-21 | 2014-11-12 | 谢彦君 | Electric heating device and manufacturing method of electric heating device |
| CN205430636U (en) * | 2016-02-03 | 2016-08-03 | 苏州新业电子股份有限公司 | PTC heater with insulating coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113905467A (en) * | 2021-11-04 | 2022-01-07 | 苏州法密利电子科技有限公司 | Improved PTC heater and preparation method thereof |
| CN113905467B (en) * | 2021-11-04 | 2023-08-01 | 苏州法密利电子科技有限公司 | Improved PTC heater and preparation method thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |