CN206602674U - A kind of ptc heater heating-pipe structure - Google Patents
A kind of ptc heater heating-pipe structure Download PDFInfo
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- CN206602674U CN206602674U CN201720247373.8U CN201720247373U CN206602674U CN 206602674 U CN206602674 U CN 206602674U CN 201720247373 U CN201720247373 U CN 201720247373U CN 206602674 U CN206602674 U CN 206602674U
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- electrode piece
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Abstract
The utility model discloses a kind of ptc heater heating-pipe structure, including：Aluminum pipe；PTC heat generating cores, including the one or more PTC heat generating components set along aluminum pipe length direction, each PTC heat generating components include the one or more PTC fever tablets set along aluminum pipe length direction；Electrode slice, including Top electrode piece and bottom electrode piece, Top electrode piece include Top electrode piece body and upper attachment structure, and bottom electrode piece includes bottom electrode piece body and lower attachment structure；Aluminum oxide substrate, is arranged at Top electrode piece, on the outer surface of bottom electrode piece；What PTC heat generating cores, Top electrode piece, bottom electrode piece and aluminum oxide substrate were formed is wholy set in aluminum pipe.The utility model is compared to prior art, the stitching portion of aluminum oxide substrate body is corresponding with upper attachment structure, lower attachment structure, formed in the stitching portion of aluminum oxide substrate body and keep away position, it is to avoid the gap between aluminum oxide substrate body, which is produced, climbs electricity, it is adaptable to the ptc heater of long size.
Description
Technical field
The utility model belongs to ptc heater equipment technical field, and in particular to a kind of ptc heater heating tube knot
Structure.
Background technology
Ptc heater uses PTC-ceramic as core heater element, with traditional heating wire, electrothermal tube, far infrared quartz
Heater is compared, wide using voltage range with temperature automatically controlled, and the flames of anger, safe and reliable, the advantage such as long lifespan.PTC is heated
Device product now has been widely used for the heating of field of household appliances due to its special ptc characteristics, such as air-conditioning is aided in
Heating, warm-air drier, super bath etc.；The defrosting of conventional fuel oil automobile, heating etc.；The in-car heating of new-energy automobile, battery heating etc..
In high-power heating art, the application of ptc heater is also constantly extending.
Ptc heater in the market is first fabricated to PTC heating mostly using PTC-ceramic as core heater element
Guan, exactly with insulating paper (Kapton), metal electrode film used in PTC ceramic element and conduction, (electrode slice is close to PTC
Two electrode surfaces of ceramics) fill in special aluminum pipe after parcel, aluminum pipe is then compressed, so that PTC-element and electrode slice,
Insulating paper is fitted closely with aluminum pipe, reduces thermal resistance, and beneficial to the performance of PTC power, wherein insulating paper plays the work of insulation and heat conduction
With.For wind warms up heater, then in ptc heater aluminum pipe both sides heat conductive silica gel bonding heat transmission soldering aluminum strip, solidification
The effect fully radiated can be reached afterwards, by means of the special ptc characteristics of core heater element, be conducive to heating
The performance of device power；For water-warming heater, PTC heating tubes are close on water channel, the heat that PTC ceramic element is produced
Amount is delivered in heated water.For ptc heater, either wind warms up heater or water-warming heater, it is necessary to first
PTC heating tubes are made, the making of heating tube is crucial, and the heat that PTC ceramic element is produced must be passed by heating tube.
Insulating paper in PTC heating tubes serves the effect of insulation and heat conduction, but because the thermal conductivity factor of insulating paper is relatively low, thermal resistance is inclined
Greatly, so the power for the heater being fabricated to such PTC heating tube is difficult to give full play to.
The current aluminum oxide substrate of useful high thermal conductivity coefficient and the silica gel pad of high heat conduction replace insulating paper.But oxygen
Change aluminium base length be difficult to it is very long, it is very long if the easy fragmentation in aluminum pipe pressing process, so can only use shorter
Aluminum oxide substrate is spliced into insulating barrier, but due to there is gap between substrate, can produce and climb electric (between metal electrode film and aluminum pipe),
So one layer of insulating paper must also be wrapped up outside alumina base plate insulating layer, but this materially increases thermal resistance.
Therefore, a kind of ptc heater heating-pipe structure is needed badly.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of ptc heater heating-pipe structure.
In order to achieve the above object, the technical solution of the utility model is as follows：
The utility model provides a kind of ptc heater heating-pipe structure, including：
Aluminum pipe, aluminum pipe is the prism structure with receiving cavity along its length；
PTC heat generating cores, PTC heat generating cores include generating heat along aluminum pipe length direction successively spaced one or more PTC
Component, each PTC heat generating components are included along aluminum pipe length direction successively spaced one or more PTC fever tablets；
Electrode slice, including Top electrode piece and bottom electrode piece, Top electrode piece include multiple Top electrode piece bodies and connection phase
The upper attachment structure of adjacent two Top electrode piece bodies, Top electrode piece is arranged on the upper surface of PTC heat generating cores, each Top electrode piece
The lower section of body is to that should have a PTC heat generating component, and upper attachment structure is arranged between adjacent two PTC heat generating components；Lower electricity
Pole piece includes the lower attachment structure of multiple bottom electrode piece bodies and the adjacent two bottom electrodes piece body of connection, and bottom electrode piece is set
In on the lower surface of PTC heat generating cores, the top of each bottom electrode piece body is to that should have a PTC heat generating component, lower attachment structure
It is arranged between adjacent two PTC heat generating components, upper attachment structure is located at the side of aluminum pipe length direction, lower attachment structure is located at
The opposite side of aluminum pipe length direction, upper attachment structure and lower attachment structure in the width of aluminum pipe there is setting to be spaced；
Aluminum oxide substrate, aluminum oxide substrate is arranged at Top electrode piece, on the outer surface of bottom electrode piece, and aluminum oxide substrate is by more
What individual aluminum oxide substrate body was spliced along aluminum pipe length direction, the stitching portion of aluminum oxide substrate body and upper attachment structure,
Lower attachment structure is corresponding to be set；
PTC heat generating cores, Top electrode piece, bottom electrode piece and the receiving cavity for being wholy set in aluminum pipe of aluminum oxide substrate formation
It is interior.
The utility model is compared to prior art, the stitching portion of aluminum oxide substrate body and upper attachment structure, lower connection knot
Structure is corresponding, is formed in the stitching portion of aluminum oxide substrate body and keeps away position, it is to avoid the gap between aluminum oxide substrate body, which is produced, to be climbed
Electricity, it is adaptable to the ptc heater of long size.
On the basis of above-mentioned technical proposal, following improvement can be also done：
As preferred scheme, above-mentioned upper attachment structure is downward concave inward structure, and lower attachment structure is upward indent knot
Structure, is cambered surface mistake between the bottom land and groove sidewall of downward concave inward structure and between the bottom land and groove sidewall of upward concave inward structure
Cross portion.
Wherein, above-mentioned upper attachment structure and this body by integral forming setting of Top electrode piece, lower attachment structure and bottom electrode piece
This body by integral forming is set.
Using above-mentioned preferred scheme, between the bottom land and groove sidewall of downward concave inward structure and upward concave inward structure
It is cambered surface transition part between bottom land and groove sidewall, avoids upper and lower electrode slice to be deformed or offset in aluminum pipe pressing process, carry
High yield quality.
As preferred scheme, be additionally provided with the upper and lower surface of above-mentioned aluminum oxide substrate thermal conductive silicon lipid layer or
Heat conduction silicone.
Using above-mentioned preferred scheme, thermal conductive silicon lipid layer or heat conduction silicone are set on the upper and lower surface of aluminum oxide substrate,
The gap that can fully fill up between aluminum oxide substrate and aluminum pipe inwall, improves the compactness of each part inside aluminum pipe, is conducive to
Reduce thermal resistance, the bearing capacity of aluminum oxide substrate when can also improve aluminum pipe pressure pipe.
As preferred scheme, silica gel frame is additionally provided with, silica gel frame includes mutually orthogonal by two long silicon strips and two short silicon strips
The rectangular frame of composition and the first keeper and the second keeper being arranged on rectangular frame, the two ends of the first keeper
It is connected and between adjacent two PTC fever tablets of each PTC heat generating components with two long silicon strips respectively, the two of the second keeper
End is connected with two long silicon strips and between adjacent two PTC heat generating components respectively.
Wherein, the second above-mentioned keeper includes two positioning strips and connection strap, the two ends of two positioning strips respectively with two long silicon
Bar is connected and setting interval is provided therebetween, and the two ends of connection strap are connected with two positioning strips and positioned at upper attachment structure respectively
With lower attachment structure in the interval of the width of aluminum pipe.
Using above-mentioned preferred scheme, increase silica gel frame, further such that PTC heat generating cores, electrode slice and aluminum oxide substrate
More fit close, reduce thermal resistance.
Brief description of the drawings
Fig. 1 is overall structure of the explosion figure of the present utility model.
Fig. 2 is the structural side view of Top electrode piece of the present utility model.
Fig. 3 is the structural representation of Top electrode piece of the present utility model.
Fig. 4 is the structural side view of bottom electrode piece of the present utility model.
Fig. 5 is the structural representation of bottom electrode piece of the present utility model.
Wherein, 10. aluminum pipe, 20.PTC heat generating cores, 30 Top electrode pieces, 31. Top electrode piece bodies, attachment structure on 32.,
40. bottom electrode piece, 41. bottom electrode piece bodies, 42. times attachment structures, 50. aluminum oxide substrates, 60. silica gel frames.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
In order to reach the purpose of this utility model, as shown in Figures 1 to 5, in one of which embodiment party of the present utility model
A kind of ptc heater heating-pipe structure is provided in formula, including：
Aluminum pipe 10, aluminum pipe 10 is the prism structure with receiving cavity along its length；
PTC heat generating cores 20, PTC heat generating cores 20 are included along aluminum pipe length direction successively spaced three PTC heating groups
Part, each PTC heat generating components are included along aluminum pipe length direction successively spaced two PTC fever tablets；
Electrode slice, including Top electrode piece 30 and bottom electrode piece 40, Top electrode piece 30 include three Top electrode piece bodies 31 with
And the upper attachment structure 32 of adjacent two Top electrode pieces body 31 is connected, Top electrode piece 30 is arranged at the upper table of PTC heat generating cores 20
On face, the lower section of each Top electrode piece body 31 is to that should have a PTC heat generating component, and upper attachment structure 32 is arranged at adjacent two
Between PTC heat generating components；Bottom electrode piece 40 includes three bottom electrode piece bodies 41 and connects adjacent two bottom electrodes piece body
41 lower attachment structure 42, bottom electrode piece 40 is arranged on the lower surface of PTC heat generating cores 20, each bottom electrode piece body 41 it is upper
Side is to that should have a PTC heat generating component, and lower attachment structure 42 is arranged between adjacent two PTC heat generating components, upper attachment structure
32 are located at the side of aluminum pipe length direction, and lower attachment structure 42 is located at the opposite side of aluminum pipe length direction, the upper He of attachment structure 32
Lower attachment structure 42 in the width of aluminum pipe 10 there is setting to be spaced；
Aluminum oxide substrate 50, aluminum oxide substrate 50 is arranged at Top electrode piece 30, on the outer surface of bottom electrode piece 40, aluminum oxide
Substrate 50 is spliced by three aluminum oxide substrate bodies along aluminum pipe length direction, the stitching portion of aluminum oxide substrate body with it is upper
Attachment structure 32, lower attachment structure 42 are corresponding to be set；
What PTC heat generating cores 20, Top electrode piece 30, bottom electrode piece 40 and aluminum oxide substrate 50 were formed is wholy set in aluminum pipe 10
Receiving cavity in.
Present embodiment is compared to prior art, the stitching portion of aluminum oxide substrate body and upper attachment structure 32, lower connection
Structure 42 is corresponding, is formed in the stitching portion of aluminum oxide substrate body and keeps away position, it is to avoid the gap production between aluminum oxide substrate body
Electricity is climbed in life, it is adaptable to the ptc heater of long size.
In order to further optimize implementation result of the present utility model, in another embodiment of the present utility model,
On the basis of foregoing teachings, above-mentioned upper attachment structure 32 is downward concave inward structure, and lower attachment structure 42 is upward indent knot
Structure, is cambered surface mistake between the bottom land and groove sidewall of downward concave inward structure and between the bottom land and groove sidewall of upward concave inward structure
Cross portion.
Wherein, above-mentioned upper attachment structure 32 and Top electrode piece body 31 are integrally formed setting, and lower attachment structure 42 is with
Electrode slice body 41 is integrally formed setting.
Using above-mentioned preferred scheme, between the bottom land and groove sidewall of downward concave inward structure and upward concave inward structure
It is cambered surface transition part between bottom land and groove sidewall, avoids upper and lower electrode slice to be deformed or offset in aluminum pipe pressing process, carry
High yield quality.
In order to further optimize implementation result of the present utility model, in another embodiment of the present utility model,
On the basis of foregoing teachings, it is additionally provided with thermal conductive silicon lipid layer in the upper and lower surface of above-mentioned aluminum oxide substrate 50 or leads
Hot layer of silica gel.
Using above-mentioned preferred scheme, thermal conductive silicon lipid layer or heat conductive silica gel are set on the upper and lower surface of aluminum oxide substrate 50
The compactness of each part inside aluminum pipe is improved in layer, the gap that can fully fill up between aluminum oxide substrate 50 and the inwall of aluminum pipe 10,
Be conducive to reducing thermal resistance, the bearing capacity of aluminum oxide substrate when can also improve aluminum pipe pressure pipe.
In order to further optimize implementation result of the present utility model, in another embodiment of the present utility model,
On the basis of foregoing teachings, silica gel frame 60 is additionally provided with, silica gel frame 60 includes mutually orthogonal by two long silicon strips and two short silicon strips
The rectangular frame of composition and the first keeper and the second keeper being arranged on rectangular frame, the two ends of the first keeper
It is connected and between adjacent two PTC fever tablets of each PTC heat generating components with two long silicon strips respectively, the two of the second keeper
End is connected with two long silicon strips and between adjacent two PTC heat generating components respectively.
Wherein, the second above-mentioned keeper includes two positioning strips and connection strap, the two ends of two positioning strips respectively with two long silicon
Bar is connected and setting interval is provided therebetween, and the two ends of connection strap are connected with two positioning strips and positioned at upper attachment structure respectively
With lower attachment structure in the interval of the width of aluminum pipe.
Using above-mentioned preferred scheme, increase silica gel frame, further such that PTC heat generating cores, electrode slice and aluminum oxide substrate
More fit close, reduce thermal resistance.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (6)
1. a kind of ptc heater heating-pipe structure, it is characterised in that including：
Aluminum pipe, the aluminum pipe is the prism structure with receiving cavity along its length；
PTC heat generating cores, the PTC heat generating cores include generating heat along aluminum pipe length direction successively spaced one or more PTC
Component, each PTC heat generating components are included along aluminum pipe length direction successively spaced one or more PTC fever tablets；
Electrode slice, including Top electrode piece and bottom electrode piece, the Top electrode piece include multiple Top electrode piece bodies and connection phase
The upper attachment structure of adjacent two Top electrode piece bodies, the Top electrode piece is arranged on the upper surface of PTC heat generating cores, each upper electricity
The lower section of pole piece body is to that should have a PTC heat generating component, and upper attachment structure is arranged between adjacent two PTC heat generating components；
The bottom electrode piece includes the lower attachment structure of multiple bottom electrode piece bodies and the adjacent two bottom electrodes piece body of connection, described
Bottom electrode piece is arranged on the lower surface of PTC heat generating cores, and the top of each bottom electrode piece body is to that should have a PTC heating group
Part, lower attachment structure is arranged between adjacent two PTC heat generating components, and the upper attachment structure is located at the one of aluminum pipe length direction
Side, the lower attachment structure is located at the opposite side of aluminum pipe length direction, and the upper attachment structure and lower attachment structure are in aluminum pipe
There is width setting to be spaced；
Aluminum oxide substrate, the aluminum oxide substrate is arranged at Top electrode piece, on the outer surface of bottom electrode piece, the aluminum oxide substrate
Be spliced by multiple aluminum oxide substrate bodies along aluminum pipe length direction, the stitching portion of the aluminum oxide substrate body with it is described
Upper attachment structure, lower attachment structure are corresponding to be set；
The PTC heat generating cores, Top electrode piece, bottom electrode piece and the receiving cavity for being wholy set in aluminum pipe of aluminum oxide substrate formation
It is interior.
2. ptc heater heating-pipe structure according to claim 1, it is characterised in that the upper attachment structure be to
Lower concave inward structure, the lower attachment structure be upward concave inward structure, between the bottom land and groove sidewall of the downward concave inward structure, with
And upwards concave inward structure bottom land and groove sidewall between be cambered surface transition part.
3. ptc heater heating-pipe structure according to claim 2, it is characterised in that the upper attachment structure and upper
This body by integral forming of electrode slice is set, the lower attachment structure and this body by integral forming setting of bottom electrode piece.
4. ptc heater heating-pipe structure according to claim 1, it is characterised in that the aluminum oxide substrate it is upper
Thermal conductive silicon lipid layer or heat conduction silicone are additionally provided with surface and lower surface.
5. ptc heater heating-pipe structure according to claim 1, it is characterised in that be additionally provided with silica gel frame, described
Silica gel frame include by two long silicon strips and the mutually orthogonal rectangular frame constituted of two short silicon strips and be arranged on rectangular frame the
Positioning piece and the second keeper, the two ends of first keeper are connected with two long silicon strips and positioned at each PTC heatings respectively
Between adjacent two PTC fever tablets of component, the two ends of second keeper are connected with two long silicon strips and positioned at adjacent respectively
Between two PTC heat generating components.
6. ptc heater heating-pipe structure according to claim 5, it is characterised in that second keeper includes
Two positioning strips and connection strap, the two ends of two positioning strips are connected with two long silicon strips and setting interval are provided therebetween respectively, even
The two ends of narrow bars are connected with two positioning strips and positioned at upper attachment structure and lower attachment structure between the width of aluminum pipe respectively
Every interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247373.8U CN206602674U (en) | 2017-03-14 | 2017-03-14 | A kind of ptc heater heating-pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247373.8U CN206602674U (en) | 2017-03-14 | 2017-03-14 | A kind of ptc heater heating-pipe structure |
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| Publication Number | Publication Date |
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| CN206602674U true CN206602674U (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720247373.8U Active CN206602674U (en) | 2017-03-14 | 2017-03-14 | A kind of ptc heater heating-pipe structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918423A (en) * | 2020-08-31 | 2020-11-10 | 江苏启程电热科技有限公司 | Anti-condensation and corrosion-resistant PTC electric heater and manufacturing method thereof |
-
2017
- 2017-03-14 CN CN201720247373.8U patent/CN206602674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918423A (en) * | 2020-08-31 | 2020-11-10 | 江苏启程电热科技有限公司 | Anti-condensation and corrosion-resistant PTC electric heater and manufacturing method thereof |
| CN111918423B (en) * | 2020-08-31 | 2022-04-29 | 江苏启程电热科技有限公司 | Anti-condensation and corrosion-resistant PTC electric heater and manufacturing method thereof |
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