CN205430636U - PTC heater with insulating coating - Google Patents
PTC heater with insulating coating Download PDFInfo
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- CN205430636U CN205430636U CN201620109789.9U CN201620109789U CN205430636U CN 205430636 U CN205430636 U CN 205430636U CN 201620109789 U CN201620109789 U CN 201620109789U CN 205430636 U CN205430636 U CN 205430636U
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- insulating coating
- ptc
- aluminum strip
- electrode slice
- silica gel
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Abstract
The utility model discloses a PTC heater with insulating coating, including the heat dissipation aluminum strip, its inboard surface coating has insulating coating, the PTC heating member, including PTC heating plate and electrode slice, the electrode slice sets up in being provided with first silica gel layer between the upper surface of PTC heating plate and lower surface and its and the PTC heating plate, and the PTC heating member is placed in the coating has insulating coating's heat dissipation aluminum strip surperficial, electrode slice and coat to have and still be provided with second silica gel layer between insulating coating's the heat dissipation aluminum strip surface. The utility model discloses compare in prior art, has save the insulated paper and the aluminum pipe of parcel PTC heating member, on the heating performance's that does not influence the PTC heater basis, greatly reduced the cost, satisfied people's daily needs.
Description
Technical field
This utility model belongs to PTC technical field of heating, is specifically related to a kind of ptc heater with insulating coating.
Background technology
Ptc heater uses PTC-ceramic as core heater element, and traditional heating wire, electrothermal tube, Far-infrared quartz heater compares, can be temperature automatically controlled, uses voltage range wide, and the flames of anger, and safe and reliable, the life-span is long.Ptc heater product is widely used in the auxiliary heating of domestic and business air conditioner.
Ptc heater typically uses Kapton as wrapped with insulation PTC-ceramic sheet and electrode slice, then in the PTC-ceramic sheet wrapped and electrode slice being positioned over aluminum pipe and compress aluminum pipe, PTC-ceramic sheet and electrode slice are fitted tightly, finally by bonding for the aluminum strip heat conductive silica gel of aluminum pipe and heat transmission with aluminum pipe.Its operation principle is, the wind blown when air-conditioning institute band fan is through ptc heater, air flowing can be taken away the heat on heat radiation aluminum strip, so that the temperature of PTC-ceramic declines, due to PTC-ceramic distinctive positive temperature coefficient thermal sensitive effect, 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, use the relatively costly of ptc heater prepared by said method, it is difficult to meet client's demand for price.
Therefore, a kind of lower-cost ptc heater with insulating coating is needed badly.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of ptc heater with insulating coating.
In order to achieve the above object, the technical solution of the utility model is as follows:
This utility model provides a kind of ptc heater with insulating coating, including:
This ptc heater includes the aluminum strip that dispels the heat, and its inner surface is coated with insulating coating；PTC calandria, including PTC heating plate and electrode slice, electrode slice be arranged at PTC heating plate upper and lower surface and and PTC heating plate between be provided with the first layer of silica gel, PTC calandria is positioned over the heat radiation aluminum strip surface being coated with insulating coating, is additionally provided with the second layer of silica gel between electrode slice and the heat radiation aluminum strip surface being coated with insulating coating.
This utility model, compared to prior art, eliminates insulating paper and the aluminum pipe of parcel PTC calandria, on the basis of the 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 and improve as follows:
As preferred scheme, the surrounding of above-mentioned PTC calandria is also sealed with the 3rd layer of silica gel.
Use above-mentioned preferred scheme, be sealed with the 3rd layer of silica gel, on the one hand increase creep age distance, improve serviceability, on the other hand it also avoid life-time service PTC calandria side contamination impurity.
This utility model also provides for the preparation method of a kind of ptc heater with 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, coats the first layer of silica gel on the insulating coating of heat radiation aluminum strip, is then pasted in the first layer of silica gel by electrode slice；
Step 3, will coat the second layer of silica gel on electrode slice, be then positioned over by PTC heating plate between the electrode slice on the heat radiation upper inner surface of aluminum strip, lower inner surface；
Step 4, solidifies heat radiation aluminum strip entirety, obtains the ptc heater with insulating coating after having solidified.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model.
Fig. 2 is the partial enlargement structural representation of Fig. 1 of the present utility model.
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.
Detailed description of the invention
Describe preferred implementation of the present utility model below in conjunction with the accompanying drawings in detail.
In order to reach the purpose of this utility model, as shown in Figure 1 to Figure 2, one of which embodiment of the present utility model provides a kind of ptc heater with insulating coating, including:
Heat radiation aluminum strip 1, its inner surface is coated with insulating coating 2；
PTC calandria, including PTC heating plate 6 and electrode slice 4, electrode slice 4 be arranged at PTC heating plate 6 upper and lower surface and and PTC heating plate 6 between be provided with the first layer of silica gel 3, PTC calandria is positioned over the heat radiation aluminum strip surface being coated with insulating coating, is additionally 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 the 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, optional 20 μm of present embodiment, 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 utility model further, in another embodiment of the present utility model, 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).
Use above-mentioned preferred scheme, be sealed with the 3rd layer of silica gel, on the one hand increase creep age distance, improve serviceability, on the other hand it also avoid life-time service PTC calandria side contamination impurity.
In order to optimize implementation result of the present utility model further, in another embodiment of the present utility model, on the basis of foregoing teachings, present embodiment also provides for the preparation method of a kind of ptc heater with 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, coats the first layer of silica gel 3 on the insulating coating 2 of heat radiation aluminum strip 1, is then pasted in the first layer of silica gel 3 by electrode slice 4；
Step 3, will coat the second layer of silica gel 5 on electrode slice 4, be then positioned over by PTC heating plate 6 between the electrode slice 4 on the heat radiation upper inner surface of aluminum strip, lower inner surface；
Step 4, solidifies heat radiation aluminum strip 1 entirety, obtains the ptc heater with insulating coating after having solidified, 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 hours of present embodiment.
In order to optimize implementation result of the present utility model further, in another embodiment of the present utility model, on the basis of foregoing teachings, present embodiment also provides for the preparation method of a kind of ptc heater with 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, coats the first layer of silica gel 3 on the insulating coating 2 of heat radiation aluminum strip 1, is then pasted in the first layer of silica gel 3 by electrode slice 4；
Step 3, will coat the second layer of silica gel 5 on electrode slice 4, be then positioned over by PTC heating plate 6 between the electrode slice 4 on the heat radiation upper inner surface of aluminum strip, lower inner surface, then by the surrounding silica gel sealing of PTC heating plate 6；
Step 4, solidifies heat radiation aluminum strip 1 entirety, obtains the ptc heater with insulating coating after having solidified.
Above-described is only preferred implementation of the present utility model; it should be pointed out that, for the person of ordinary skill of the art, on the premise of creating design without departing from this utility model; can also make some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (4)
1. a ptc heater with insulating coating, it is characterised in that including:
Heat radiation aluminum strip, its inner surface is coated with insulating coating；
PTC calandria, including PTC heating plate and electrode slice, described electrode slice is arranged at the upper and lower surface of described PTC heating plate and is provided with the first layer of silica gel between itself and described PTC heating plate, described PTC calandria is positioned over the heat radiation aluminum strip surface being coated with insulating coating, described electrode slice and be additionally provided with the second layer of silica gel between the heat radiation aluminum strip surface being coated with insulating coating.
The ptc heater with insulating coating the most according to claim 1, it is characterised in that described insulating coating is polyimide resin insulating coating, the thickness of described polyimide resin insulating coating is 20-500 μm.
The ptc heater with insulating coating the most according to claim 1, it is characterised in that described insulating coating is silicone insulation coating, the thickness of described silicone insulation coating is 0.05-1mm.
The ptc heater with insulating coating the most according to claim 1, it is characterised in that the surrounding of described PTC calandria is also sealed with the 3rd layer of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109789.9U CN205430636U (en) | 2016-02-03 | 2016-02-03 | PTC heater with insulating coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109789.9U CN205430636U (en) | 2016-02-03 | 2016-02-03 | PTC heater with insulating coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205430636U true CN205430636U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620109789.9U Active CN205430636U (en) | 2016-02-03 | 2016-02-03 | PTC heater with insulating coating |
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| CN (1) | CN205430636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554924A (en) * | 2016-02-03 | 2016-05-04 | 苏州新业电子股份有限公司 | Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater |
| CN106304429A (en) * | 2016-08-25 | 2017-01-04 | 安徽江淮松芝空调有限公司 | A kind of PTC heater structure |
-
2016
- 2016-02-03 CN CN201620109789.9U patent/CN205430636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554924A (en) * | 2016-02-03 | 2016-05-04 | 苏州新业电子股份有限公司 | Positive temperature coefficient (PTC) heater with insulation coating layers and preparation method of PTC heater |
| CN106304429A (en) * | 2016-08-25 | 2017-01-04 | 安徽江淮松芝空调有限公司 | A kind of PTC heater structure |
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