CN106851869A - A kind of preparation technology of thermal sensitive ceramics heating element - Google Patents
A kind of preparation technology of thermal sensitive ceramics heating element Download PDFInfo
- Publication number
- CN106851869A CN106851869A CN201611242819.4A CN201611242819A CN106851869A CN 106851869 A CN106851869 A CN 106851869A CN 201611242819 A CN201611242819 A CN 201611242819A CN 106851869 A CN106851869 A CN 106851869A
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- Prior art keywords
- conducting pipe
- heat conducting
- heat
- generating core
- electrode slice
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- 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
- H05B3/03—Electrodes
-
- 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
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- 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
- H05B3/06—Heater elements structurally combined with coupling elements or holders
- H05B3/08—Heater elements structurally combined with coupling elements or holders having electric connections specially adapted for high temperatures
-
- 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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
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- Resistance Heating (AREA)
Abstract
The invention discloses a kind of thermal sensitive ceramics heating element, heating part, connection wire harness and the mounting bracket constituted including heater and radiator, the heater includes heat conducting pipe and heat generating core, and heat generating core includes fever tablet, electrode slice and insulating paper, and the wire harness includes connection sheet.The lateral surface of heat conducting pipe is provided with no less than two semicircular grooves.Width 0~15mm of the width of the thermal conductive surface of heat conducting pipe beyond the radiator.The present invention passes through the design of the increase connection sheet on electrode slice, has reached heating element and reliability has been contacted with line group tie point, couples firm, invention effect easy to make.The combination for causing radiator and heat conducting pipe using the not wide structure of heat conducting pipe and radiator is more consolidated, and is radiated more uniform.Meanwhile, semi-circular recesses are set in heat conducting pipe side and cause that the heat generating core in the smaller, heat conducting pipe of damage of the inwall of heat conducting pipe to heat generating core dielectric film, with reference to even closer, substantially increases security and the thermal efficiency.
Description
Technical field
The present invention relates to a kind of heating element, particularly a kind of preparation technology of thermal sensitive ceramics heating element.
Background technology
Prior art mainly has following several：
A kind of PTC liquid electric heaters (publication number CN2612898Y), the power line is connected with the electrode and is it
Power supply, the power line is connected by the power line entrance of the metal shell with the external world.
Using this kind of technical scheme, because power line is directly connected with electrode, contact resistance is big, and power line is used in outer masterpiece
Lower tie-point is easily caused and comes off.
A kind of Rapid electric water heater (publication number CN2742335Y) of PTC heating, wire on electrical control gear with
Inserted sheet on heater is connected.
Using this kind of technical scheme, at least need inserted sheet, insert spring and sheath with the help of complete wire and PTC electrode slices
Connection just can guarantee that its security, meanwhile, the requirement of inserted sheet insertion is very high, if not agreeing with portion with it completes connection, inserted sheet is easy
Come off from PTC electrode slices and cause heating element to damage.
A kind of PTC heat generating members (publication number CN2684506Y) with fastening terminal, is provided with cramp, institute on the terminal
The cramp stated is by stamping connection on battery lead plate.
Using this kind of technical scheme, cramp needs real-time adjustment, inserted sheet insertion is wanted equivalent to inserted sheet, the distance of punching press
Ask also very high, if not with its agree with portion complete connection, inserted sheet easily from PTC electrode slices or to patch come off on spring and cause heating
Device is not turned on, and real-time adjustment to be needs have more artificial nurse, cause cost to increase.
Above-mentioned prior art almost contains the connected mode of existing all of power line and electrode slice, but still deposits
The hidden danger for causing inserted sheet and electrode slice or power connection points to come off is acted in the external force because of power line.
The heat-conducting aluminium pipe and PTC heater (publication number CN 201499328U) of a kind of PTC heater, its heat-conducting aluminium pipe has
The cavity of both ends open, the upper and lower surface of the heat-conducting aluminium pipe is respectively equipped with groove, and aluminum pipe pipe thickness is 0mm-
1.5mm。
Using this kind of technical scheme, the side after compacting forms a semi-circular recesses, can play improvement fever tablet, electrode
Aluminum pipe extends to width and causes the increase of aluminum pipe heater width when cooperation between bar, dielectric film is closely and counteracting is suppressed
Good effect.Because the side of this kind of structure aluminum pipe before compaction is plane or crescent, because of the inequality of press power in compacting
Uniform aluminum pipe heat conduction easily makes the width of the aluminum pipe heater thermal conductive surface after compacting towards the influence of the factor such as extension of width
Degree exceedes the width that correspondence is bonded in this heat sink strip, after heat sink strip is bonded aluminum pipe heater after pressing, due to aluminum pipe
The width of heater has exceeded the width of heat sink strip and has caused scrapping for complete ptc heater.Additionally, the aluminum pipe heating after compacting
Although the side of body can form groove, it is difficult to ensure that the depression of the groove is uniform and perpendicular to aluminum pipe during actual batch production
The heat-conducting planar of heat generating core, thus brings the increased defect of fraction defective of insulation and size.
A kind of enclosed positive temperature coefficient thermistor heater (publication number CN2917152), the technology is led hollow
The Surface Machining of hot body fin, the lateral inner of hollow heat carrier is the acute angle of W, V, U-lag and inward wall protrusion, side table
The thickness direction in face really plane.Because fin and heat carrier are same entirety, can only be pointed to the side of fin two has interior
Pressurize that the fever tablet in cavity is fixed and positioned at the lateral edges of recessed acute angle.It is well known that to inwardly projecting sharp at this
Angle pressurization will easily puncture, and stab dielectric film and cause on-insulated or short circuit, meanwhile, the pressurization to incline can only ensure fever tablet
Positioning, do not reach make it is tight, firm between the whole heating plane of fever tablet and the heat-conducting planar and insulating paper of electrode slice
Laminating, its inside plays the not heating of same-action, unavoidably there is contact gap between conduction, heat conduction, insulating mount, easily occurs
The safety hazards such as strike sparks, puncture caused by loose contact.Further, since connecing between fever tablet and conductive electrode and heat carrier
Touch not tight, the heat of fever tablet cannot all, effectively be conducted to heat conducting pipe and fin, under identical power standard,
Needing greater number of fever tablet could meet power requirement, and production cost is high, the thermal efficiency is also low.Because the technology is hollow
The Surface Machining of heat carrier fin, fin on the hollow heat carrier by cutting, shovel shaping, it is necessary to a large amount of special equipment,
Production cost is high, production efficiency is also low.
Technology is in addition, there will be to draw afterbody and correspond to herein exhausted to non-electrode in the electrode lead-out part of heater and pipe
Edge paper, the installation dimensions for not having safe and reliable and convenient control between heat conducting pipe, radiator are limited and required, this is difficult to protect
The reliable insulation between the end of electrode slice two and heat conducting pipe, radiator in card heat generating core.
A kind of corrugated heater (publication number CN201303426) technology is using heatproof silicon rubber is by corrugated piece and leads
The technology of backing, heater bonding, brings positive effect to reduces cost in theory, but as the heat-resistant silicon of bonding agent
Rubber and the corrugated piece and the bonding between heat conduction aluminium flake, heater are resilient connections, certainly will there is contact gap, are caused
Need to consume excessive fever tablet to compensate because of the defect of the thermal efficiency deficiency that thermal conductive surface loose contact brings, thus cause material
The increase of cost.Additionally, adhesive strength and service life are that silicon rubber composition is influenceed by bonding agent, in long-term high temperature
Under working condition, bonding agent is easily aging, cause to come off because of abutting edge, peel off and caused by heater failure, scrap or come off
Other charging members for touching in whole machine of heat conduction aluminium flake cause the safety hazards of electric leakage or short circuit.
To sum up prior art, non-electrode in the electrode lead-out part and pipe to heater to draw afterbody exhausted with correspond to herein
Edge paper, the practical distance for not having safe and reliable and convenient control between heat conducting pipe, radiator specify that this is difficult to ensure heating
Reliable insulation between the end of electrode slice two of in-core and heat conducting pipe, radiator.In addition also all presence cannot give full play to and improve
The process consistency of the thermal efficiency of thermal sensitive ceramics fever tablet, the reliability and security that improve heating element and temperature stabilization manufacturing process
Control and improve production efficiency, the technology and process difficulties that reduce manufacture material cost.
The content of the invention
Goal of the invention：Present invention solves the technical problem that for the connected mode of existing power line and electrode slice is easily caused electricity
The source line consistency problem that tie-point comes off with manufacturing process under external force, after solving existing hollow heat conducting pipe crimping
Inner body combine not closely, product it is compressing after size discrete is big, structure to the damage of insulating paper the problems such as, solve
The thermal efficiency that the heater of thermal sensitive ceramics heating element and the prior art of heating element are present is low, and security, reliability cannot
By the problem for ensureing, the bonding also solved between prior art radiatinig corrugated and heat conduction clamping aluminium flake, heater is to use silicon rubber
The resilient connection and the defect of contact gap certainly existed during glue sticking.
Technical scheme：The present invention provides following technical scheme：
A kind of electrode slice of the heat generating core of thermal sensitive ceramics heater, the length direction of the electrode slice is thermal conductive surface, described
The exit of the thermal conductive surface of electrode slice has a lead surface, there is first through hole on the lead surface, and the width of the lead surface is than electricity
The small 0-10mm of width of pole piece thermal conductive surface, the thickness of the electrode slice is 0.1-0.8mm.
A kind of heat generating core of thermal sensitive ceramics heater, the heat generating core includes thermal sensitive ceramics fever tablet, electrode slice and insulation
Paper, the length direction of the fever tablet is heating face, and the insulating paper closely wraps electrode slice with the fever tablet for being clamped in centre
Cover, the thermal conductive surface of the heating face of the fever tablet and the electrode slice is brought into close contact, the thickness in monolayer of the insulating paper is 0.05
~0.16mm, width is 28~88mm.
Used as optimization, the surface of the insulating paper is at least simultaneously coated with and softens and in room temperature between 200-350 DEG C
The compound sticking layer of solidification, two layers of insulating paper have at least been coated in the electrode slice outer surface for being clamped with the fever tablet, described exhausted
The binding site of edge paper is in the non-conductive face of heat generating core thickness side.
As optimization, at least clamped between the electrode slice that the heat generating core power outlet portion is located in the insulating paper
A piece of first heat conductive isolation sheet, the head of first heat conductive isolation sheet is beyond the thermal conductive surface of the electrode slice and the knot of lead surface
Relative distance between the head of 0~5mm at conjunction, the head of the insulating paper and first heat conductive isolation sheet is 1~5mm.
As optimization, another non-power of the heat generating core is located in the insulating paper and is drawn between the electrode slice of tail end at least
A piece of second heat conductive isolation sheet is clamped, the tail end of second heat conductive isolation sheet exceeds the 1~8mm of tail end of the electrode slice,
Tail end 2~6mm of the tail end of the insulating paper beyond second heat conductive isolation sheet.
A kind of heater of thermal sensitive ceramics heating element, including heat generating core and heat conducting pipe, the heat generating core will be pressed from both sides by insulating paper
Hold the tight cladding of the electrode slice surrounding of fever tablet and insulating trip to form, centre is the rectangle that can penetrate and accommodate the heat generating core
Cavity, the heat generating core runs through the rectangular enclosure of heat conducting pipe, and the heat generating core exit head extends heat conducting pipe exit, institute
The insulating paper head of heat generating core exit head is stated beyond the 3~8mm of head for corresponding to heat conducting pipe herein.
As optimization, heatproof is coated between the opposing electrode exit in the lead size portion of the heater
Insulating cement, the coating thickness of the insulating cement is 1-4mm.
Used as optimization, the heat generating core is located at the afterbody of the heat conducting pipe in the insulating paper afterbody positioned at non-exit tail end
In cavity, the relative distance between the tail end of the tail end of the insulating paper and the heat conducting pipe is 0~30mm.
Used as optimization, the periphery wall thickness of the heat conducting pipe is roughly equal, and centre can penetrate and accommodate the heat generating core
Rectangular enclosure, the lateral surface of the heat conducting pipe is provided with no less than two semicircular grooves.
A kind of thermal sensitive ceramics heating element, including heating part, connection wire harness and the installation branch that heater and radiator are constituted
Frame, the heater includes heat conducting pipe and heat generating core, and heat generating core includes thermal sensitive ceramics fever tablet, electrode slice and insulating paper, described
Connection wire harness includes connection sheet, and there are the pressure contact portion for accommodating connecting line, the crimping per a connecting piece in one end of the connection sheet
The connecting line containing temperature controller/temperature fuse is crimped in portion, the other end of the connection sheet has and the heating element
The binding face that the lead surface of electrode slice exit is combined, there is corresponding with first through hole on electrode slice lead surface the on binding face
Two through holes, the first through hole is crimped with the second through hole by rivet, rivets into the connection wire harness and the heating part
It is entirety.
Used as optimization, the heater includes heat conducting pipe and heat generating core, and heat generating core includes thermal sensitive ceramics fever tablet, electrode strip
And insulating paper, electrode strip connection wire harness includes connection sheet, and there are the pressure contact portion for accommodating connecting line, institute in one end of the connection sheet
Crimped the connecting line containing temperature controller/temperature fuse on the pressure contact portion for stating every a connecting piece, the connection sheet it is another
There is the binding face that is combined with the lead surface of the electrode slice exit of the heating element at end, have on binding face with electrode slice lead surface
The second corresponding through hole of first through hole, the first through hole is crimped with the second through hole by rivet, make it is described connection wire harness and
The heating part riveting is integrally formed.
As optimization, the heat conducting pipe exit head of the heating element heating part and the radiator exit head
Relative distance between fin end is 1~40mm.
Used as optimization, the radiator includes the fin/and the heat conduction that are combined with the heat conducting pipe length direction radiating surface
Pipe integrated hollow radiator, the width of the fin is 14-26mm.
Used as optimization, the heat conducting pipe length direction has radiating surface and a press face, the width of the heat conducting pipe for 20~
35mm。
As optimization, the first heat conductive isolation sheet, institute are clamped between the electrode slice of the power outlet head of the heat generating core
The relative distance that the exposed junction and the radiator for stating the first heat conductive isolation sheet correspond to fin end herein is 2~45mm.
Used as optimization, the width of the radiating surface of the heat conducting pipe exceeds the 0~15mm of width of the radiator.
Used as optimization, the length direction of the heat conducting pipe has the radiating surface more than radiator width, the two of the radiating surface
Side is press face, and the width of each side press face is 3~10mm.
Used as optimization, the radiator is located at the thermal conductive surface end of power outlet head and corresponds to clamping radiating herein
Relative distance between the vertical plane of piece is 0~20mm.
A kind of preparation technology of thermal sensitive ceramics heating element, before heat conduction pipe surface combination fin, the heat conducting pipe leads to
Cross rolled gradually no less than two groups of pair of rollers symmetrical above and below its radiating surfaces the heating face that makes pipe internal heat generation piece and electrode slice,
Insulating paper is brought into close contact integrally, and in heat conduction tube rolling forming, clamping and positioning wheel also symmetrical no less than two groups is to described
The non-radiating side of heat conducting pipe is synchronously oriented to, is clamped and spacing, is combined in heat conduction pipe surface after heat conduction tube rolling forming and dissipated
Backing.
As optimization, by the radiating surface rolling of the pair of rollers heat conducting pipe and pinch wheels to the non-radiating side of heat conducting pipe
The heat conducting pipe lateral surface of the heating element after being oriented to and being spacing is formed and is no less than two symmetrical semi-circular recesses.
Beneficial effect：The present invention is compared with prior art：
1st, by the riveting of connection sheet and electrode slice, make to turn into rigid connection entirety between electrode slice and power supply lead wire,
Eliminate contact resistance and eliminate the potential safety hazard for causing tie-point to come off because of external force effect simultaneously, connection is also saved in addition
Inserted sheet, slotting spring and sheath, reduce use cost.At least simultaneously it is coated with the surface of the insulating paper of hollow heat conducting pipe
Soften and in the composite caking agent of cold curing between 200-350 DEG C so that the heat generating core of hollow heat conducting pipe and its inside can
A heater entirety is formed at room temperature, and process is without variation in moulding, it is easy to maintenance when using.
2nd, there are two heat conducting pipes of the deep-slotted chip breaker that caves inward using side, the deep-slotted chip breaker of the heat conducting pipe indent is from outside heat conduction
Side caves inward, and the contact with the insulating paper of heat generating core herein in the inboard cavity of heat conducting pipe is an arc for seamlessly transitting
Shape, solves prior art when heat conducting pipe suppresses plane, because pressure is uneven cause to bring inner groovy displacement to heating
Core corresponds to the safety issue of insulating barrier injury herein.
3rd, there are two heaters of the deep-slotted chip breaker heat conducting pipe that caves inward using side, effectively ensured in compacting heat conducting pipe
Radiating surface when, the fever tablet in heat generating core inside heat conducting pipe, can both be brought into close contact completely between electrode slice and insulating paper,
Give full play to the thermal efficiency of fever tablet.
4th, due between heat generating core and the cavity of heat conducting pipe width and thickness direction have it is certain install gap, to pressure
During the heat conducting pipe radiating surface of heater processed, this two portion gap can extend toward width, and the present invention is in heat conducting pipe side
Two deep-slotted chip breakers that cave inward are because having in compacting naturally to the creation effect of center uniform shrinkage so that installing gap causes
All offset by groove to the extension of width, before the amount of contraction of two grooves ensure that the laminating closely of heater inside
Put, width without any extension, so as to the weight that the width that ensure that heater after compacting is still consistent with the width of heat sink strip
Technical goal is wanted to be able to reliable realization.
5th, there are two heaters of the deep-slotted chip breaker heat conducting pipe that caves inward using side, it is ensured that heater side after pressing
Two deep-slotted chip breakers it is straight, shrink uniform, the defective insulation product of product prevent substantially after compacting, and the consumption of fever tablet is also reduced
More than 10%.
6th, the inside synchronous in side of heat conducting pipe and can gradually adjust recessed when two structure designs of groove can make compacting
Sunken depth, has reached and has fully absorbed heat conducting pipe in rolling because of thickness between each part in the compression extension of pipe thickness and pipe
The extension of the heat conducting pipe width that the contraction of director space brings and the extension that broadens from size to width, after making rolling
The completely the same invention effect of heat conducting pipe before heater width and rolling.
7th, present invention defines the electrode lead-out part and non-electrode extraction afterbody and correspondence of heater heat conducting pipe internal heat generation core
In the distance between insulating paper herein, heat conducting pipe, radiator scope, greatly improving production efficiency and reducing production cost
On the basis of, it is ensured that the reliable insulation between the end of electrode slice two and heat conducting pipe in the radiator and heat generating core of heating element, thoroughly
Puncture caused by eliminating therefore, short circuit and the significant safety hidden danger such as spreader surface is powered.
8th, the present invention can be by heat-conducting aluminium pipe, radiatinig corrugated and positioning the aluminium flake continuous, streamlined in special frock
Assembling, enters back into welding in vacuum brazing furnace.Because the melt temperature of aluminum pipe, radiatinig corrugated and positioning clamping aluminium flake is at 750 DEG C
More than, and the melt temperature of Soldering foil is only 400-500 DEG C, so only needs to adjustment vacuum brazing furnace and reaches Soldering foil
The temperature range of softening, with the thawing of weldering paper tinsel, it is possible to which reaching makes aluminum pipe, radiatinig corrugated and positioning clamping aluminium flake reliably weld
Being connected in one has the innovation purpose of radiator entirety of high-quality heat-conductive characteristic, and is combined between each heat-conducting piece of the radiator
Firmly, heat-conductive characteristic is excellent also extremely conveniently carries out large batch of large-scale production and control, and manufacturing process is only needed in one
The heat generating core of dielectric film cladding is penetrated in the hollow heat radiator of change, fabrication is simplified, reduction manufacture has been reached
The purpose of cost and raising homogeneity of product and reliability.
9th, because radiatinig corrugated is directly welded on heat-conducting aluminium pipe, compared with prior art, two positioning aluminiums are being eliminated
Between piece and heat-conducting aluminium pipe and radiatinig corrugated and radiatinig corrugated and clamping aluminium flake and between the silicon rubber bonder that is mutually bonded
Under the premise of, the fever tablet quantity in heat generating core is coated on than prior art less with more than 15%, it is not necessary to complicated frock, mould
Tool and large scale equipment, can be achieved with large batch of steady production, reduce the great amount of investment of equipment, mould and relevant tool, carry
Efficiency high.
10th, when heater is manufactured, it is only necessary to designing the pressurization of the press face on aluminum pipe radiating surface, so that it may so as to be located at
The fever tablet of the heat generating core in heat-conducting aluminium pipe, good leading is brought into close contact, positions and plays between electrode slice and insulating paper mutually
Thermal effect, embodies and increases substantially production efficiency, reduces production process and significantly reduce the beneficial innovation effect of manufacturing cost.
11st, the binding site of insulating paper is in the non-conductive face of heat generating core thickness side, it is ensured that between fever tablet and electrode slice
The thermal conductive surface of dielectric film is injury-free when contactless gap, compacting, improves the thermal efficiency.
12nd, by using heat conduction body of the present invention and the not wide structure of radiator, while radiator is embedded in/is attached at leading
Hot tube surfaces, using the combination technology of vacuum brazing so that radiator and heat conducting pipe connected mode are reliable, firm, radiating is more
Plus the heat-conducting effect of uniform, radiator is more excellent.
Brief description of the drawings
Fig. 1 is the structural representation of electrode slice of the present invention；
Fig. 2 is the structural representation of connection sheet of the present invention；
Fig. 3 is the structural representation of heat generating core of the present invention；
Fig. 4 is the attachment structure schematic diagram of heating element Top electrode piece of the present invention and connection sheet；
Fig. 5 is the structural representation of heat conducting pipe of the present invention；
Fig. 6 is structural representation of the present invention using the heating element of the fin combined on heat conducting pipe heat-conducting planar；
Fig. 7 is structural representation of the present invention using the heating element of the hollow radiator pipe integrated with heat conduction；
Fig. 8 is structural representation of the heat conducting pipe radiating surface width of the present invention more than radiator width；
Fig. 9 is heating element routing planes structural representation of the present invention；
Figure 10 is heating element dimensional structure diagram of the present invention；
Figure 11 is the structural representation after connection sheet of the present invention and temperature controller/temperature fuse crimping.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of electrode slice of the heat generating core of thermal sensitive ceramics heater, the length direction of the electrode slice 1
It is thermal conductive surface 2, the exit 3 of the thermal conductive surface 2 of the electrode slice 1 has a lead surface 4, there is first through hole 5 on the lead surface 4,
Than the small 10mm of width of the thermal conductive surface 2 of electrode slice 1, the thickness of the electrode slice 1 is 0.8mm to the width of the lead surface 4.
Embodiment 2
As shown in Figure 1, a kind of electrode slice of the heat generating core of thermal sensitive ceramics heater, the length direction of the electrode slice 1
It is thermal conductive surface 2, the exit 3 of the thermal conductive surface 2 of the electrode slice 1 has a lead surface 4, there is first through hole 5 on the lead surface 4,
The width of the lead surface 4 is identical with the width of the thermal conductive surface 2 of electrode slice 1, and the thickness of the electrode slice 1 is 0.1mm.
Embodiment 3
As shown in Figure 3, a kind of heat generating core of thermal sensitive ceramics heater, the heat generating core include thermal sensitive ceramics fever tablet 6,
Electrode slice 1 and insulating paper 7, the length direction of the fever tablet 6 is heating face, and the insulating paper 7 is by electrode slice 1 and is clamped in
Between fever tablet 6 closely coat, the thermal conductive surface 2 of the heating face of the fever tablet 6 and the electrode slice 1 is brought into close contact, it is described absolutely
The thickness in monolayer of edge paper 7 is 0.05mm, and width is 28mm.
The surface of insulating paper 7 have one side be coated between 200-350 DEG C soften and cold curing compound sticking layer,
Coated two layers of insulating paper 7 in the outer surface of electrode slice 1 for being clamped with the fever tablet 6, the binding site 8 of the insulating paper 7 in
The non-conductive face of heat generating core thickness side.In the insulating paper 7 positioned between the electrode slice 1 in the heat generating core power outlet portion
A piece of first heat conductive isolation sheet 9 is clamped, the head of first heat conductive isolation sheet 9 and the thermal conductive surface 2 of the electrode slice 1 and has drawn
Appear 4 junction maintain an equal level, the relative distance between the head of the head of the insulating paper 7 and first heat conductive isolation sheet 9
It is 1mm.A piece of the has been clamped between the electrode slice 1 for drawing tail end in the insulating paper 7 positioned at another non-power of the heat generating core
Two heat conductive isolation sheets 10, the tail end of second heat conductive isolation sheet 10 exceeds the tail end 1mm of the electrode slice 1, the insulating paper 7
Tail end beyond second heat conductive isolation sheet 10 tail end 2mm.
Embodiment 4
As shown in Figure 3, a kind of heat generating core of thermal sensitive ceramics heater, the heat generating core include thermal sensitive ceramics fever tablet 6,
Electrode slice 1 and insulating paper 7, the length direction of the fever tablet 6 is heating face, and the insulating paper 7 is by electrode slice 1 and is clamped in
Between fever tablet 6 closely coat, the thermal conductive surface 2 of the heating face of the fever tablet 6 and the electrode slice 1 is brought into close contact, it is described absolutely
The thickness in monolayer of edge paper 7 is 0.16mm, and width is 88mm.
The two sides of insulating paper 7 is coated with and softens between 200-350 DEG C and in the compound sticking layer of cold curing, in folder
The outer surface of electrode slice 1 for holding the fever tablet 6 has coated three-layer insulated paper 7, and the binding site 8 of the insulating paper 7 is in heating
The non-conductive face of core thickness side.Clamped positioned between the electrode slice 1 in the heat generating core power outlet portion in the insulating paper 7
The first heat conductive isolation sheet of two panels 9, the head of first heat conductive isolation sheet 9 beyond the electrode slice 1 thermal conductive surface 2 and draw
Relative distance between the head of the junction 5mm in face 4, the head of the insulating paper 7 and first heat conductive isolation sheet 9 is
5mm.In the insulating paper 7 two panels second has been clamped positioned between the electrode slice 1 of another non-power extraction tail end of the heat generating core
Heat conductive isolation sheet 10, the tail end of second heat conductive isolation sheet 10 exceeds the tail end 8mm of the electrode slice 1, the insulating paper 7
Tail end 6mm of the tail end beyond second heat conductive isolation sheet 10.
Embodiment 5
As shown in accompanying drawing 3 and accompanying drawing 5, a kind of heater of thermal sensitive ceramics heating element, including heat generating core and heat conducting pipe 11, institute
State heat generating core to be formed by tight cladding of the surrounding of electrode slice 1 that insulating paper 7 will clamp fever tablet 6 and insulating trip, centre is to wear
Enter and accommodate the rectangular enclosure of the heat generating core, the heat generating core runs through the rectangular enclosure of heat conducting pipe 11, and the heat generating core is drawn
End head extends the exit of heat conducting pipe 11, and the head of insulating paper 7 of the heat generating core exit head exceeds and corresponds to herein
The head 3mm of heat conducting pipe 11.The heat generating core is located at the heat conducting pipe 11 in the afterbody of insulating paper 7 positioned at non-exit tail end
In afterbody cavity, the tail end of the insulating paper 7 maintains an equal level with the tail end of the heat conducting pipe 11.The periphery wall thickness of the heat conducting pipe 11 is big
Cause is equal, and centre is the rectangular enclosure that can penetrate and accommodate the heat generating core, and the lateral surface of the heat conducting pipe 11 is provided with two
Semicircular groove 12.It is exhausted heatproof to be coated between the opposing electrode exit in the lead size portion of the heater
Edge glue 25, the coating thickness of the insulating cement 25 is 4mm.
Embodiment 6
As shown in accompanying drawing 3 and accompanying drawing 5, a kind of heater of thermal sensitive ceramics heating element, including heat generating core and heat conducting pipe 11, institute
State heat generating core to be formed by tight cladding of the surrounding of electrode slice 1 that insulating paper 7 will clamp fever tablet 6 and insulating trip, centre is to wear
Enter and accommodate the rectangular enclosure of the heat generating core, the heat generating core runs through the rectangular enclosure of heat conducting pipe 11, and the heat generating core is drawn
End head extends the exit of heat conducting pipe 11, and the head of insulating paper 7 of the heat generating core exit head exceeds and corresponds to herein
The head 8mm of heat conducting pipe 11.The heat generating core is located at the heat conducting pipe 11 in the afterbody of insulating paper 7 positioned at non-exit tail end
In afterbody cavity, the relative distance between the tail end of the tail end of the insulating paper 7 and the heat conducting pipe 11 is 30mm.The heat conduction
The periphery wall thickness of pipe 11 is roughly equal, and centre is the rectangular enclosure that can penetrate and accommodate the heat generating core, the heat conducting pipe 11
Lateral surface is provided with two semicircular grooves 12.The opposing electrode exit in the lead size portion of the heater
Between be coated with heatproof insulating cement 25, the coating thickness of the insulating cement 25 is 1mm.
Embodiment 7
As shown in accompanying drawing 1 to accompanying drawing 10, a kind of thermal sensitive ceramics heating element, including the heating that heater and radiator 21 are constituted
Partly, wire harness and mounting bracket 13 are coupled, the heater includes heat conducting pipe 11 and heat generating core, and heat generating core is sent out including thermal sensitive ceramics
Backing 6, electrode slice 1 and insulating paper 7, the connection wire harness include connection sheet 14, and one end of the connection sheet 14 has receiving to connect
Crimped containing the temperature fuse 17 of temperature controller 16/ on the pressure contact portion 15 of line, the pressure contact portion 15 per a connecting piece 14
Connecting line, the other end of the connection sheet 14 has the binding face combined with the lead surface 4 of the exit of electrode slice 1 of the heating element
18, have second through hole 19 corresponding with first through hole 5 on the lead surface 4 of electrode slice 1 on binding face 18, the first through hole 5 with
Second through hole 19 is crimped by rivet 20, is integrally formed the connection wire harness and heating part riveting.Heating element generates heat
Relative distance between the partial exit head of heat conducting pipe 11 and the fin end of the exit head of the radiator 21 is
20mm。
Radiator 21 is the fin that heat conducting pipe length direction radiating surface 22 is combined, and the width of the fin is 25mm.
The length direction of the heat conducting pipe 11 has radiating surface 22 and press face 23, and the width of the heat conducting pipe 11 is 35mm.The heat generating core
Power outlet head electrode slice 1 between clamped the first heat conductive isolation sheet 9, the exposed junction of first heat conductive isolation sheet 9
The relative distance for corresponding to fin end herein with the radiator 21 is 30mm.The width of the radiating surface 22 of the heat conducting pipe 11
Width 15mm of the degree beyond the radiator 21.The length direction of the heat conducting pipe 11 has the radiating surface more than the width of radiator 21
22, two sides of the radiating surface 22 are press faces 23, and the width of each side press face 23 is 10mm.The radiator 21 is located at electricity
The end of radiating surface 22 of source exit head and corresponding to herein clamping fin vertical plane between relative distance be 20mm.
The radiating surface 22 of the heat conducting pipe 11 is successively outwards the fin of radiatinig corrugated bar and the clamping ripple bar, the fin
Two ends respectively have a locating surface vertical with the radiatinig corrugated bar length direction, the radiatinig corrugated bar is clamped and is positioned at institute
State between the radiating surface 22 of heat conducting pipe 11 and the thermal conductive surface of the fin.
Embodiment 8
As shown in accompanying drawing 1 to accompanying drawing 10, a kind of thermal sensitive ceramics heating element, including the heating that heater and radiator 21 are constituted
Partly, wire harness and mounting bracket 13 are coupled, the heater includes heat conducting pipe 11 and heat generating core, and heat generating core is sent out including thermal sensitive ceramics
Backing 6, electrode strip 24 and insulating paper 7, the electrode strip 24 include connection sheet 14 and electrode slice 1, one end of the connection sheet 14
Have on the pressure contact portion 15 for accommodating connecting line, the pressure contact portion 15 per a connecting piece 14 and crimped the temperature containing temperature controller 16/
The connecting line of fuse 17, the other end of the connection sheet 14 has the lead surface 4 with the exit 3 of electrode slice 1 of the heating element
With reference to binding face 18, have second through hole 19 corresponding with first through hole 5 on the lead surface 4 of electrode slice 1 on binding face 18, it is described
First through hole 5 is crimped with the second through hole 19 by rivet 20, is integrally formed the connection wire harness and heating part riveting.
Held between the exit head of heat conducting pipe 11 of heating element heating part and the fin end of the exit head of the radiator 21
It is flat.
Radiator 21 is the hollow radiator pipe integrated with heat conduction, and the width of the fin is 14mm.The heat conduction
The length direction of pipe 11 has radiating surface 22 and press face 23, and the width of the heat conducting pipe 11 is 20.5mm.The power supply of the heat generating core
Clamped the first heat conductive isolation sheet 9 between the electrode slice 1 of exit head, the exposed junction of first heat conductive isolation sheet 9 with it is described
Radiator 21 maintains an equal level corresponding to fin end herein.The width of the radiating surface 22 of the heat conducting pipe 11 and the radiator 21
Width is identical.The length direction of the heat conducting pipe 11 has the radiating surface 22 more than the width of radiator 21, the two of the radiating surface 22
Side is press face 23, and the width of each side press face 23 is 3~10mm.The radiator 21 is located at dissipating for power outlet head
The end of hot face 21 maintains an equal level with the vertical plane for corresponding to clamping fin herein.The radiating surface 22 of the heat conducting pipe 11 is successively outwards
The fin of radiatinig corrugated bar and the clamping ripple bar, two ends of the fin respectively have and the radiatinig corrugated bar length side
To vertical locating surface, the radiatinig corrugated bar is clamped and is positioned at the radiating surface 22 and the fin of the heat conducting pipe 11
Thermal conductive surface between.
Embodiment 9
Such as a kind of preparation technology of thermal sensitive ceramics heating element of accompanying drawing 6, described before the surface of heat conducting pipe 11 combines fin
Heat conducting pipe 11 is rolled gradually by the pair of rollers symmetrical above and below no less than two groups its radiating surface 22 makes the hair of pipe internal heat generation piece 6
Hot face and electrode slice 1, insulating paper 7 are brought into close contact integrally, in 11 roll forming of heat conducting pipe, also symmetrical no less than two groups
Clamping and positioning wheel is synchronously oriented to the non-radiating side of the heat conducting pipe 11, is clamped and spacing, the roll forming of heat conducting pipe 11
Afterwards fin is combined on the surface of heat conducting pipe 11.
The non-radiating side of heat conducting pipe 11 is led by the rolling of radiating surface 22 of the pair of rollers heat conducting pipe 11 and pinch wheels
To with it is spacing after heating element the lateral surface of heat conducting pipe 11 formed two symmetrical semi-circular recesses 12.Comparative example
As shown in Figure 7, the heating part of a kind of thermal sensitive ceramics heating element, including heater and the composition of radiator 21, connection
Wiring beam and mounting bracket 12, the radiator 21 are the hollow radiator integrated with heat conducting pipe 11, and the heater includes
Heat conducting pipe 11 and heat generating core, heat generating core include thermal sensitive ceramics fever tablet 6, electrode slice 1 and insulating paper 7, heating element heating part
Maintain an equal level between the fin end of the exit head of heat conducting pipe 11 and the exit head of the radiator 21.The connecting line is direct
It is crimped on electrode slice.
Claims (2)
1. a kind of preparation technology of thermal sensitive ceramics heating element, it is characterised in that：Before heat conducting pipe (11) surface combines fin,
The heat conducting pipe (11) is rolled gradually by the pair of rollers symmetrical above and below no less than two groups its radiating surface (22) makes hair in pipe
The heating face (6) of backing and electrode slice (1), insulating paper (7) are brought into close contact integrally, in heat conducting pipe (11) roll forming, also
There is the clamping and positioning wheel symmetrical no less than two groups to be synchronously oriented to, clamped and limit the non-radiating side of the heat conducting pipe (11)
Position, fin is combined after the heat conducting pipe (11) roll forming on heat conducting pipe (11) surface.
2. the preparation technology of thermal sensitive ceramics heating element according to claim 1, it is characterised in that：Led by the pair of rollers
Heat pipe (11) radiating surface (22) rolling and pinch wheels to the non-radiating side of heat conducting pipe (11) guiding and it is spacing after heating element
Heat conducting pipe (11) lateral surface formed be no less than two symmetrical semi-circular recesses (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242819.4A CN106851869B (en) | 2015-04-08 | 2015-04-08 | Preparation process of thermosensitive ceramic heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242819.4A CN106851869B (en) | 2015-04-08 | 2015-04-08 | Preparation process of thermosensitive ceramic heater |
| CN201510162006.3A CN104797015B (en) | 2015-04-08 | 2015-04-08 | A kind of heat generating core of thermal sensitive ceramics heating element |
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| CN201510162006.3A Division CN104797015B (en) | 2015-04-08 | 2015-04-08 | A kind of heat generating core of thermal sensitive ceramics heating element |
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| CN106851869B CN106851869B (en) | 2020-08-14 |
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| CN201611242801.4A Active CN106851868B (en) | 2015-04-08 | 2015-04-08 | Heating body of thermal sensitive ceramic heater |
| CN201611242818.XA Active CN106793193B (en) | 2015-04-08 | 2015-04-08 | Thermal sensitive ceramic heater |
| CN201611242819.4A Active CN106851869B (en) | 2015-04-08 | 2015-04-08 | Preparation process of thermosensitive ceramic heater |
| CN201510162006.3A Active CN104797015B (en) | 2015-04-08 | 2015-04-08 | A kind of heat generating core of thermal sensitive ceramics heating element |
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| CN201611242818.XA Active CN106793193B (en) | 2015-04-08 | 2015-04-08 | Thermal sensitive ceramic heater |
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| CN108906559A (en) * | 2018-07-12 | 2018-11-30 | 四川大学 | A kind of heat radiating type electrode slice for ultrasonic transducer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104797015B (en) | 2017-12-12 |
| CN106851868A (en) | 2017-06-13 |
| CN106793193B (en) | 2020-08-14 |
| CN106851868B (en) | 2020-08-14 |
| CN106793193A (en) | 2017-05-31 |
| CN104797015A (en) | 2015-07-22 |
| CN106851869B (en) | 2020-08-14 |
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