CN104797015A - Thermal sensitive ceramic heater and heating body and heating core applied to thermal sensitive ceramic heater - Google Patents
Thermal sensitive ceramic heater and heating body and heating core applied to thermal sensitive ceramic heater Download PDFInfo
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- CN104797015A CN104797015A CN201510162006.3A CN201510162006A CN104797015A CN 104797015 A CN104797015 A CN 104797015A CN 201510162006 A CN201510162006 A CN 201510162006A CN 104797015 A CN104797015 A CN 104797015A
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- electrode slice
- generating core
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 90
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- 238000002955 isolation Methods 0.000 claims description 32
- 238000005516 engineering process Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000020169 heat generation Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 28
- 229910052782 aluminium Inorganic materials 0.000 description 21
- 238000005457 optimization Methods 0.000 description 15
- 239000004411 aluminium Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920002379 silicone rubber Polymers 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
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- 238000011031 large-scale manufacturing process Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- 238000010257 thawing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses a thermal sensitive camera heater. The thermal sensitive camera heater comprises a heating portion, a connection wire harness and a mounting frame, the heating portion is formed by a heating body and a radiator, the heating body comprises a heat conducting tube and a heating core, the heating core comprises a heating slice, an electrode slice and insulation paper, and the connection wire harness comprises a connection slice. Not fewer than two semi-circular grooves are formed in the outer lateral side of the heat conducting tube. A heat conducting face of the heat conducting tube is 0-15mm wider than the radiator. The thermal sensitive camera heater has the advantages that by the aid of the connection slice added on the electrode slice, reliable connection point contact and stable connection between the heater and the wire harness and convenience in manufacturing are achieved; by the aid of the heat conducting tube and the radiator which are different in width, the radiator can be combined with the heat conducting tube more stably and more uniform in radiation; by the aid of the semi-circular grooves in the lateral side of the heat conducting tube, the inner wall of the heat conducting tube causes less damage to a heating core insulation film, combination of the heating core in the heat conducting tube is tighter, and safety and heat efficiency are improved greatly.
Description
Technical field
The present invention relates to a kind of heating element, particularly a kind of thermal sensitive ceramics heating element and heater used thereof and heat generating core.
Background technology
Prior art mainly contains following several:
A kind of PTC liquid electric heater (publication number CN2612898Y), described power line is connected with described electrode and is its power supply, and described power line is connected with the external world by the power line entrance of described metal shell.
Adopt this kind of technical scheme, because power line is direct and Electrode connection, contact resistance is large, and power line under external force tie-point easily causes coming off.
A kind of Rapid electric water heater (publication number CN2742335Y) of PTC heating, the wire on electrical control gear is connected with the inserted sheet on heater.
Adopt this kind of technical scheme, its fail safe of connection guarantee of wire and PTC electrode slice is completed under at least needing the help of inserted sheet, slotting spring and sheath, simultaneously, the requirement that inserted sheet inserts is very high, if do not agree with portion with it to complete connection, inserted sheet easily comes off from PTC electrode slice and causes heating element to damage.
A kind of PTC heat generating member (publication number CN2684506Y) with fastening terminal, described terminal is provided with cramp, described cramp by stamping connection on battery lead plate.
Adopt this kind of technical scheme, cramp is equivalent to inserted sheet, the distance of punching press needs adjustment in real time, the requirement of inserting inserted sheet is also very high, if do not agree with portion with it to complete connection, inserted sheet easily comes off from PTC electrode slice or to patching spring and causes heating element not conducting, and namely adjustment in real time needs to have more artificial nurse, causes cost to increase.
Above-mentioned prior art almost contains the connected mode of existing all power lines and electrode slice, but or the hidden danger existed because the External Force Acting of power line causes inserted sheet and electrode slice or power connection points to come off.
A kind of heat-conducting aluminium pipe of PTC heater and PTC heater (publication number CN 201499328U), its heat-conducting aluminium pipe has the cavity of both ends open, and upper surface and the lower surface of described heat-conducting aluminium pipe are respectively equipped with groove, and aluminum pipe pipe thickness is 0mm-1.5mm.
Adopt this kind of technical scheme, side after compacting forms a semi-circular recesses, can play improve cooperation between fever tablet, electrode strip, dielectric film closely and offset compacting time aluminum pipe extend to Width and cause the good effect that aluminum pipe heater width increases.Because the side of this kind of structure aluminum pipe is before compaction plane or crescent, because the uneven and aluminum pipe thermal conductive surface of press power in compacting is to the impact of the factor such as extension of Width, the width of the aluminum pipe heater thermal conductive surface after compacting is very easily made to exceed the width that correspondence is bonded in this heat sink strip, after making the bonding aluminum pipe heater after pressing of heat sink strip, the width due to aluminum pipe heater has exceeded the width of heat sink strip and has caused scrapping of complete ptc heater.In addition, although the side of aluminum pipe heater after compacting can form groove, the depression being difficult to ensure this groove during actual batch production evenly and perpendicular to the heat-conducting planar of aluminum pipe heat generating core, bring the defect of the fraction defective increase of insulation and size thus.
A kind of enclosed positive temperature coefficient thermistor heater (publication number CN2917152), this technology is the Surface Machining fin at hollow heat carrier, the lateral inner of hollow heat carrier is W, V, U-lag and the acute angle to inwall protrusion, the thickness direction plane really of side surface.Because fin and heat carrier are same entirety, the lateral edges place of indent acute angle can only be had to pressurize to fix the fever tablet of cavity and locate to being positioned at fin two side.As everyone knows, very easily will puncture this place to the pressurization of projecting inward acute angle, stab dielectric film and cause on-insulated or short circuit, simultaneously, the location of fever tablet can only be ensured to the pressurization of incline, do not reach tight, the secure fit that make between the whole heating plane of fever tablet and the heat-conducting planar of electrode slice and insulating paper, it is inner rises between the heating of not same-action, conduction, heat conduction, insulating mount and unavoidably there is contact gap, very easily come in contact bad cause sparking, the safety hazards such as to puncture.In addition, because the contact between fever tablet and conductive electrode and heat carrier is not tight, the heat of fever tablet cannot all, effectively conduct to heat pipe and fin, under identical power standard, need the fever tablet of a greater number to meet power requirement, production cost is high, the heat efficiency is also low.Due to the Surface Machining fin that this technology is at hollow heat carrier, fin is shaping by cutting, shoveling on hollow heat carrier, needs a large amount of special equipment, production cost is high, production efficiency is also low.
In addition, prior art to non-electrode extraction afterbody in the electrode lead-out part of heater and pipe and correspond between insulating paper herein, heat pipe, radiator there is no safety, the reliable and convenient installation dimensions controlled limits and requirement, this is with regard to the reliable insulation between electrode slice two end in very difficult guarantee heat generating core and heat pipe, radiator.
A kind of corrugated heater (publication number CN201303426) this technology adopts heat-resistant silicon rubber by technology bonding to corrugated sheet and conducting strip, heater, positive effect is brought in theory to reducing costs, but be resilient connection as bonding between the heat-resistant silicon rubber of bonding agent and described corrugated sheet and heat conduction aluminium flake, heater, contact gap certainly will be there is, cause the partially consumed many fever tablets of needs to compensate the defect of the heat efficiency deficiency brought because of thermal conductive surface loose contact, cause the increase of material cost thus.In addition, all are subject to the impact that bonding agent is silicon rubber composition in adhesive strength and useful life, under long-term hot operation state, bonding agent is very easily aging, cause because of abutting edge come off, peel off and cause heater failure, to scrap or heat conduction aluminium flake other live parts touched in complete machine of coming off cause leaking electricity or the safety hazards of short circuit.
To sum up prior art, to non-electrode extraction afterbody in the electrode lead-out part of heater and pipe and correspond between insulating paper herein, heat pipe, radiator there is no safety, the reliable and convenient practicality distance controlled specify, this is with regard to the reliable insulation between electrode slice two end in very difficult guarantee heat generating core and heat pipe, radiator.In addition also all there is process consistency control and technology and the process difficulties of manufactured materials cost of enhancing productivity, reduce that the heat efficiency that cannot give full play to and improve thermal sensitive ceramics fever tablet, the reliability improving heating element and fail safe and temperature stablize manufacture process.
Summary of the invention
Goal of the invention: the technical problem that the present invention solves be the connected mode of existing power line and electrode slice easily cause power line under external force tie-point come off and the consistency problem of manufacture process, after solving existing hollow heat pipe crimping, inner body combines not tight, size discrete after product is compressing is large, structure is to problems such as the damages of insulating paper, the heat efficiency that the prior art of the heater and heating element that solve thermal sensitive ceramics heating element exists is low, fail safe, reliability cannot the problem of reliable guarantee, also solve prior art radiatinig corrugated and heat conduction clamping aluminium flake, the resilient connection certainly existed when bonding between heater is bonding with silicon rubber and the defect of contact gap.
Technical scheme: the invention provides following technical scheme:
A kind of electrode slice of heat generating core of thermal sensitive ceramics heater, the length direction of described electrode slice is thermal conductive surface, the exit of the thermal conductive surface of described electrode slice has a lead surface, described lead surface there is the first through hole, the width 0-10mm less of the width of electrode slice thermal conductive surface of described lead surface, the thickness of described electrode slice is 0.1-0.8mm.
A kind of heat generating core of thermal sensitive ceramics heater, described heat generating core comprises thermal sensitive ceramics fever tablet, electrode slice and insulating paper, the length direction of described fever tablet is heating face, described insulating paper is closely coated with the fever tablet being clamped in centre by electrode slice, the heating face of described fever tablet and the thermal conductive surface of described electrode slice fit tightly, the thickness in monolayer of described insulating paper is 0.05 ~ 0.16mm, and width is 28 ~ 88mm.
As optimization, it is softening between 200-350 DEG C and at the compound sticking layer of cold curing that the surface of described insulating paper has at least one side to be coated with, at at least coated two layers of insulating paper of the electrode slice outer surface being clamped with described fever tablet, the binding site of described insulating paper is in the non-conductive face of heat generating core thickness side.
As optimization, a slice first heat conductive isolation sheet has at least been clamped between the electrode slice being positioned at described heat generating core power outlet portion in described insulating paper, the head of described first heat conductive isolation sheet exceeds the thermal conductive surface of described electrode slice and the junction 0 ~ 5mm of lead surface, and the relative distance between the head of described insulating paper and the head of described first heat conductive isolation sheet is 1 ~ 5mm.
As optimization, be positioned in described insulating paper another non-power of described heat generating core draw tail end electrode slice between at least clamped a slice second heat conductive isolation sheet, the tail end of described second heat conductive isolation sheet exceeds the tail end 1 ~ 8mm of described electrode slice, and the tail end of described insulating paper exceeds the tail end 2 ~ 6mm of described second heat conductive isolation sheet.
A kind of heater of thermal sensitive ceramics heating element, comprise heat generating core and heat pipe, described heat generating core is formed closely coated for the electrode slice surrounding having clamped fever tablet and insulating trip by insulating paper, centre is the rectangular enclosure that can penetrate and hold described heat generating core, described heat generating core runs through the rectangular enclosure of heat pipe, described heat generating core exit head extends heat pipe exit, and the insulating paper head of described heat generating core exit head exceeds the head 3 ~ 8mm of the heat pipe corresponded to herein.
As optimization, be coated with heatproof insulating cement between the opposing electrode exit in the lead size portion of described heater, the coating thickness of described insulating cement is 1-4mm.
As optimization, described heat generating core is positioned at the afterbody cavity of described heat pipe at the insulating paper afterbody being positioned at non-exit tail end, and the relative distance between the tail end of described insulating paper and the tail end of described heat pipe is 0 ~ 30mm.
As optimization, the periphery wall thickness of described heat pipe is roughly equal, and centre is the rectangular enclosure that can penetrate and hold described heat generating core, and the lateral surface of described heat pipe is provided with and is no less than two semicircular grooves.
A kind of thermal sensitive ceramics heating element, comprise the heating part of heater and radiator composition, connect wire harness and mounting bracket, described heater comprises heat pipe and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet, electrode slice and insulating paper, described connection wire harness comprises brace, there is the pressure contact portion holding connecting line one end of described brace, the pressure contact portion of described every a connecting piece crimps the connecting line containing temperature controller/temperature fuse, the other end of described brace has the binding face be combined with the lead surface of the electrode slice exit of described heating element, binding face there is second through hole corresponding with the first through hole on electrode slice lead surface, described first through hole is crimped by rivet with the second through hole, described connection wire harness and the riveted joint of described heating part is made to become overall.
As optimization, described heater comprises heat pipe and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet, electrode strip and insulating paper, described electrode strip connects wire harness and comprises brace, there is the pressure contact portion holding connecting line one end of described brace, the pressure contact portion of described every a connecting piece crimps the connecting line containing temperature controller/temperature fuse, the other end of described brace has the binding face be combined with the lead surface of the electrode slice exit of described heating element, binding face there is second through hole corresponding with the first through hole on electrode slice lead surface, described first through hole is crimped by rivet with the second through hole, described connection wire harness and the riveted joint of described heating part is made to become overall.
As optimization, the relative distance between the heat pipe exit head of described heating element heating part and the fin end of described radiator exit head is 1 ~ 40mm.
As optimization, described radiator comprises the hollow radiator of the fin that combines with described heat pipe length direction radiating surface/integrated with heat pipe, and the width of described fin is 14-26mm.
As optimization, described heat pipe length direction has radiating surface and press face, and the width of described heat pipe is 20 ~ 35mm.
As optimization, clamped the first heat conductive isolation sheet between the electrode slice of the power outlet head of described heat generating core, the relative distance that the exposed junction of described first heat conductive isolation sheet and described radiator correspond to fin end is herein 2 ~ 45mm.
As optimization, the width of the radiating surface of described heat pipe exceeds the width 0 ~ 15mm of described radiator.
As optimization, the length direction of described heat pipe has the radiating surface being greater than radiator width, and two sides of described radiating surface are press face, and the width of each side press face is 3 ~ 10mm.
As optimization, described radiator power outlet head thermal conductive surface end and correspond to clamp fin herein vertical plane between relative distance be 0 ~ 20mm.
A kind of preparation technology of thermal sensitive ceramics heating element, before heat pipe surface conjunction fin, described heat pipe carries out roll extrusion gradually make the heating face of pipe internal heat generation sheet and electrode slice, insulating paper fit tightly integral by being no less than two groups of its radiating surfaces of laterally zygomorphic pair of rollers, when heat pipe roll forming, the clamping and positioning wheel being no less than two groups of symmetries in addition synchronously leads to the non-heat radiation side of described heat pipe, to clamp and spacing, at heat pipe surface conjunction fin after heat pipe roll forming.
As optimization, through the radiating surface roll extrusion of described pair of rollers heat pipe and pinch wheels to the guiding of heat pipe non-heat radiation side and spacing after the heat pipe lateral surface of heating element formed and be no less than two symmetrical semi-circular recesses.
Beneficial effect: the present invention compared with prior art:
1, by the riveted joint of brace and electrode slice, make the connecting overall becoming rigidity between electrode slice and power supply lead wire, eliminate contact resistance and eliminate the potential safety hazard causing tie-point to come off because of External Force Acting simultaneously, save the inserted sheet of connection in addition, insert spring and sheath, reduce use cost.One side is had at least to be coated with between 200-350 DEG C on the surface of the insulating paper of hollow heat pipe softening and at the composite caking agent of cold curing, make the heat generating core of hollow heat pipe and inside thereof at room temperature can form a heater entirety, and process is without variation in moulding, easy to maintenance during use.
2, side is adopted to have the heat pipe of two deep-slotted chip breakers that cave inward, the deep-slotted chip breaker of this heat pipe indent caves inward from the lateral surface of heat conduction, an arc seamlessly transitted with the insulating paper contact herein of heat generating core in the chamber, inner side of heat pipe, solve prior art when heat pipe compacting plane, cause inner groovy displacement because pressure is uneven and bring right heat generating core to correspond to the safety issue of insulating barrier injury herein.
3, side is adopted to have the heater of two deep-slotted chip breaker heat pipes that cave inward, effectively ensure when suppressing the radiating surface of heat pipe, fever tablet in the heat generating core of heat pipe inside, both can to fit tightly completely between electrode slice and insulating paper, to give full play to the heat efficiency of fever tablet.
4, certain gap is installed owing to having at width and thickness direction between heat generating core and the cavity of heat pipe, when the heat pipe radiating surface to compacting heater, this two portion gap all can extend toward Width, two the cave inward deep-slotted chip breakers of the present invention in heat pipe side are because having the natural creation effect to center uniform shrinkage when suppressing, make to install gap cause to Width extension all offset by groove, article two, the amount of contraction of groove ensure that heater inside is fitted closely under prerequisite, Width is without any extension, thus the important technology target that after ensure that compacting, the width of heater is still consistent with the width of heat sink strip is able to reliable realization.
5, adopt side to have the heater of two deep-slotted chip breaker heat pipes that cave inward, ensure that heater after pressing side two deep-slotted chip breakers straight, shrink evenly, after compacting, the defective insulation product of product are stopped substantially, and the consumption of fever tablet also reduces more than 10%.
6, when the structural design of two grooves can make compacting heat pipe the inside synchronous in side and gradually can adjust the degree of depth of depression, reach absorb completely heat pipe in roll extrusion because of the compression of pipe thickness extends and in pipe between each part the extension of the heat pipe Width that the contraction in thickness direction space brings and size to the extension that broadens of Width, make the on all four invention effect of the heat pipe before the heater width after roll extrusion and roll extrusion.
7, present invention defines the electrode lead-out part of heater heat pipe internal heat generation core and non-electrode extraction afterbody and correspond to the distance range between insulating paper herein, heat pipe, radiator, greatly enhancing productivity and reducing on the basis of production cost, ensure that the reliable insulation between electrode slice two end in the radiator of heating element and heat generating core and heat pipe, completely eliminate therefore and cause puncture, short circuit and the significant safety hidden danger such as spreader surface is charged.
8, the present invention can by heat-conducting aluminium pipe, radiatinig corrugated and location aluminium flake in special frock continuously, the assembling of streamlined, then enter welding in vacuum brazing furnace.Due to aluminum pipe, the melt temperature of radiatinig corrugated and positioning clamping aluminium flake is more than 750 DEG C, and the melt temperature of Soldering foil is only 400-500 DEG C, so only need to adjust vacuum brazing furnace and reach the softening temperature range of Soldering foil, along with the thawing of weldering paper tinsel, just can reach and make aluminum pipe, radiatinig corrugated and positioning clamping aluminium flake are welded as the innovation object that has the radiator integral of high-quality heat-conductive characteristic reliably, and combine firmly between each heat-conducting piece of described radiator, heat-conductive characteristic excellence also extremely conveniently carries out large batch of large-scale production and control, manufacturing process only needs in the hollow heat radiator of integration, penetrate the coated heat generating core of dielectric film, simplify fabrication, reach the object reducing manufacturing cost and improve homogeneity of product and reliability.
9, because radiatinig corrugated is directly welded on heat-conducting aluminium pipe, compared with prior art, eliminate two location aluminium flakes and between heat-conducting aluminium pipe and radiatinig corrugated and radiatinig corrugated and clamping aluminium flake and between mutually bonding silicon rubber bonder prerequisite under, the comparable prior art of fever tablet quantity be coated in heat generating core uses more than 15% less, do not need complicated frock, mould and main equipment, just can realize large batch of steady production, reduce the great amount of investment of equipment, mould and relevant tool, improve efficiency.
10, when heater manufactures, only need the press face pressurization of design on aluminum pipe radiating surface, just can make the fever tablet of the heat generating core in heat-conducting aluminium pipe, fit tightly mutually between electrode slice and insulating paper, locate and play good heat-conducting effect, embodying and increase substantially production efficiency, reducing production process and the remarkable useful innovation effect reducing manufacturing cost.
11, the binding site of insulating paper is in the non-conductive face of heat generating core thickness side, ensures that the thermal conductive surface of dielectric film when contactless gap between fever tablet and electrode slice, compacting is injury-free, improves the heat efficiency.
12, by adopting heat conduction body of the present invention and the not wide structure of radiator, radiator embeds/is attached at heat pipe surface simultaneously, adopt the combination technology of vacuum brazing, make radiator and heat pipe connected mode reliably, firmly, heat radiation heat-conducting effect that is more even, radiator is more excellent.
Accompanying drawing explanation
Fig. 1 is the structural representation of electrode slice of the present invention;
Fig. 2 is the structural representation of brace of the present invention;
Fig. 3 is the structural representation of heat generating core of the present invention;
Fig. 4 is that heating element of the present invention powers on the syndeton schematic diagram of pole piece and brace;
Fig. 5 is the structural representation of heat pipe of the present invention;
Fig. 6 is the structural representation that the present invention adopts the heating element of the fin that heat pipe heat-conducting planar combines;
Fig. 7 is the structural representation of the heating element of the employing of the present invention hollow radiator integrated with heat pipe;
Fig. 8 is the structural representation that heat pipe radiating surface width of the present invention is greater than radiator width;
Fig. 9 is heating element routing planes structural representation of the present invention;
Figure 10 is heating element perspective view of the present invention;
Figure 11 is the structural representation after brace of the present invention and temperature controller/temperature fuse crimp.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of electrode slice of heat generating core of thermal sensitive ceramics heater, the length direction of described electrode slice 1 is thermal conductive surface 2, the exit 3 of the thermal conductive surface 2 of described electrode slice 1 has a lead surface 4, described lead surface 4 there is the first through hole 5, the width 10mm less of the width of electrode slice 1 thermal conductive surface 2 of described lead surface 4, the thickness of described electrode slice 1 is 0.8mm.
Embodiment 2
As shown in Figure 1, a kind of electrode slice of heat generating core of thermal sensitive ceramics heater, the length direction of described electrode slice 1 is thermal conductive surface 2, the exit 3 of the thermal conductive surface 2 of described electrode slice 1 has a lead surface 4, described lead surface 4 there is the first through hole 5, the width of described lead surface 4 is identical with the width of electrode slice 1 thermal conductive surface 2, and the thickness of described electrode slice 1 is 0.1mm.
Embodiment 3
As shown in Figure 3, a kind of heat generating core of thermal sensitive ceramics heater, described heat generating core comprises thermal sensitive ceramics fever tablet 6, electrode slice 1 and insulating paper 7, the length direction of described fever tablet 6 is heating face, described insulating paper 7 is closely coated with the fever tablet 6 being clamped in centre by electrode slice 1, the heating face of described fever tablet 6 and the thermal conductive surface 2 of described electrode slice 1 fit tightly, and the thickness in monolayer of described insulating paper 7 is 0.05mm, and width is 28mm.
It is softening between 200-350 DEG C and at the compound sticking layer of cold curing that the surface of insulating paper 7 has one side to be coated with, at the coated two layers of insulating paper 7 of electrode slice 1 outer surface being clamped with described fever tablet 6, the binding site 8 of described insulating paper 7 is in the non-conductive face of heat generating core thickness side.A slice first heat conductive isolation sheet 9 has been clamped between the electrode slice 1 being positioned at described heat generating core power outlet portion in described insulating paper 7, the junction of the described head of the first heat conductive isolation sheet 9 and the thermal conductive surface 2 of described electrode slice 1 and lead surface 4 maintains an equal level, and the relative distance between the head of described insulating paper 7 and the head of described first heat conductive isolation sheet 9 is 1mm.Be positioned in described insulating paper 7 another non-power of described heat generating core draw tail end electrode slice 1 between clamped a slice second heat conductive isolation sheet 10, the tail end of described second heat conductive isolation sheet 10 exceeds the tail end 1mm of described electrode slice 1, and the tail end of described insulating paper 7 exceeds the tail end 2mm of described second heat conductive isolation sheet 10.
Embodiment 4
As shown in Figure 3, a kind of heat generating core of thermal sensitive ceramics heater, described heat generating core comprises thermal sensitive ceramics fever tablet 6, electrode slice 1 and insulating paper 7, the length direction of described fever tablet 6 is heating face, described insulating paper 7 is closely coated with the fever tablet 6 being clamped in centre by electrode slice 1, the heating face of described fever tablet 6 and the thermal conductive surface 2 of described electrode slice 1 fit tightly, and the thickness in monolayer of described insulating paper 7 is 0.16mm, and width is 88mm.
The two sides of insulating paper 7 is coated with softening between 200-350 DEG C and at the compound sticking layer of cold curing, at the coated three-layer insulated paper 7 of electrode slice 1 outer surface being clamped with described fever tablet 6, the binding site 8 of described insulating paper 7 is in the non-conductive face of heat generating core thickness side.Two panels first heat conductive isolation sheet 9 has been clamped between the electrode slice 1 being positioned at described heat generating core power outlet portion in described insulating paper 7, the head of described first heat conductive isolation sheet 9 exceeds the thermal conductive surface 2 of described electrode slice 1 and the junction 5mm of lead surface 4, and the relative distance between the head of described insulating paper 7 and the head of described first heat conductive isolation sheet 9 is 5mm.Be positioned in described insulating paper 7 another non-power of described heat generating core draw tail end electrode slice 1 between clamped two panels second heat conductive isolation sheet 10, the tail end of described second heat conductive isolation sheet 10 exceeds the tail end 8mm of described electrode slice 1, and the tail end of described insulating paper 7 exceeds the tail end 6mm of described 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, comprise heat generating core and heat pipe 11, described heat generating core is formed closely coated for electrode slice 1 surrounding having clamped fever tablet 6 and insulating trip by insulating paper 7, centre is the rectangular enclosure that can penetrate and hold described heat generating core, described heat generating core runs through the rectangular enclosure of heat pipe 11, described heat generating core exit head extends heat pipe 11 exit, and insulating paper 7 head of described heat generating core exit head exceeds the head 3mm of the heat pipe 11 corresponded to herein.Described heat generating core is positioned at the afterbody cavity of described heat pipe 11 at insulating paper 7 afterbody being positioned at non-exit tail end, and the tail end of described insulating paper 7 and the tail end of described heat pipe 11 maintain an equal level.The periphery wall thickness of described heat pipe 11 is roughly equal, and centre is the rectangular enclosure that can penetrate and hold described heat generating core, and the lateral surface of described heat pipe 11 is provided with two semicircular grooves 12.Be coated with heatproof insulating cement 25 between the opposing electrode exit in the lead size portion of described heater, the coating thickness of described 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, comprise heat generating core and heat pipe 11, described heat generating core is formed closely coated for electrode slice 1 surrounding having clamped fever tablet 6 and insulating trip by insulating paper 7, centre is the rectangular enclosure that can penetrate and hold described heat generating core, described heat generating core runs through the rectangular enclosure of heat pipe 11, described heat generating core exit head extends heat pipe 11 exit, and insulating paper 7 head of described heat generating core exit head exceeds the head 8mm of the heat pipe 11 corresponded to herein.Described heat generating core is positioned at the afterbody cavity of described heat pipe 11 at insulating paper 7 afterbody being positioned at non-exit tail end, and the relative distance between the tail end of described insulating paper 7 and the tail end of described heat pipe 11 is 30mm.The periphery wall thickness of described heat pipe 11 is roughly equal, and centre is the rectangular enclosure that can penetrate and hold described heat generating core, and the lateral surface of described heat pipe 11 is provided with two semicircular grooves 12.Be coated with heatproof insulating cement 25 between the opposing electrode exit in the lead size portion of described heater, the coating thickness of described 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, comprise the heating part of heater and radiator 21 composition, connect wire harness and mounting bracket 13, described heater comprises heat pipe 11 and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet 6, electrode slice 1 and insulating paper 7, described connection wire harness comprises brace 14, there is the pressure contact portion 15 holding connecting line one end of described brace 14, the pressure contact portion 15 of described every a connecting piece 14 crimps the connecting line containing temperature controller 16/ temperature fuse 17, the other end of described brace 14 has the binding face 18 be combined with the lead surface 4 of electrode slice 1 exit of described heating element, binding face 18 there is second through hole 19 corresponding with the first through hole 5 on electrode slice 1 lead surface 4, described first through hole 5 is crimped by rivet 20 with the second through hole 19, described connection wire harness and the riveted joint of described heating part is made to become overall.Relative distance between the heat pipe 11 exit head of heating element heating part and the fin end of described radiator 21 exit head is 20mm.
Radiator 21 is the fin that heat pipe length direction radiating surface 22 combines, and the width of described fin is 25mm.Described heat pipe 11 length direction has radiating surface 22 and press face 23, and the width of described heat pipe 11 is 35mm.Clamped the first heat conductive isolation sheet 9 between the electrode slice 1 of the power outlet head of described heat generating core, the relative distance that the exposed junction of described first heat conductive isolation sheet 9 and described radiator 21 correspond to fin end is herein 30mm.The width of the radiating surface 22 of described heat pipe 11 exceeds the width 15mm of described radiator 21.The length direction of described heat pipe 11 has the radiating surface 22 being greater than radiator 21 width, and two sides of described radiating surface 22 are press face 23, and the width of each side press face 23 is 10mm.Described radiator 21 power outlet head radiating surface 22 end and correspond to clamp fin herein vertical plane between relative distance be 20mm.The radiating surface 22 of described heat pipe 11 is outwards the fin of radiatinig corrugated bar and the described ripple bar of clamping successively, two ends of described fin respectively have the locating surface vertical with described radiatinig corrugated bar length direction, between the radiating surface 22 that described radiatinig corrugated bar was clamped and be positioned at described heat pipe 11 and the thermal conductive surface of described fin.
Embodiment 8
As shown in accompanying drawing 1 to accompanying drawing 10, a kind of thermal sensitive ceramics heating element, comprise the heating part of heater and radiator 21 composition, connect wire harness and mounting bracket 13, described heater comprises heat pipe 11 and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet 6, electrode strip 24 and insulating paper 7, described electrode strip 24 comprises brace 14 and electrode slice 1, there is the pressure contact portion 15 holding connecting line one end of described brace 14, the pressure contact portion 15 of described every a connecting piece 14 crimps the connecting line containing temperature controller 16/ temperature fuse 17, the other end of described brace 14 has the binding face 18 be combined with the lead surface 4 of electrode slice 1 exit 3 of described heating element, binding face 18 there is second through hole 19 corresponding with the first through hole 5 on electrode slice 1 lead surface 4, described first through hole 5 is crimped by rivet 20 with the second through hole 19, described connection wire harness and the riveted joint of described heating part is made to become overall.Maintain an equal level between the heat pipe 11 exit head of heating element heating part and the fin end of described radiator 21 exit head.
Radiator 21 is the hollow radiator integrated with heat pipe, and the width of described fin is 14mm.Described heat pipe 11 length direction has radiating surface 22 and press face 23, and the width of described heat pipe 11 is 20.5mm.Clamped the first heat conductive isolation sheet 9 between the electrode slice 1 of the power outlet head of described heat generating core, the exposed junction of described first heat conductive isolation sheet 9 and described radiator 21 correspond to fin end herein and maintain an equal level.The width of the radiating surface 22 of described heat pipe 11 is identical with the width of described radiator 21.The length direction of described heat pipe 11 has the radiating surface 22 being greater than radiator 21 width, and two sides of described radiating surface 22 are press face 23, and the width of each side press face 23 is 3 ~ 10mm.Radiating surface 21 end that described radiator 21 is positioned at power outlet head maintains an equal level with corresponding to the vertical plane clamping fin herein.The radiating surface 22 of described heat pipe 11 is outwards the fin of radiatinig corrugated bar and the described ripple bar of clamping successively, two ends of described fin respectively have the locating surface vertical with described radiatinig corrugated bar length direction, between the radiating surface 22 that described radiatinig corrugated bar was clamped and be positioned at described heat pipe 11 and the thermal conductive surface of described fin.
Embodiment 9
As the preparation technology of accompanying drawing 6 one kinds of thermal sensitive ceramics heating elements, before heat pipe 11 surface conjunction fin, described heat pipe 11 carries out roll extrusion gradually make the heating face of pipe internal heat generation sheet 6 and electrode slice 1, insulating paper 7 fit tightly integral by being no less than its radiating surface 22 of two groups of laterally zygomorphic pairs of rollers, when heat pipe 11 roll forming, the clamping and positioning wheel being no less than two groups of symmetries in addition synchronously leads to the non-heat radiation side of described heat pipe 11, to clamp and spacing, at heat pipe 11 surface conjunction fin after heat pipe 11 roll forming.
Through radiating surface 22 roll extrusion of described pair of rollers heat pipe 11 and pinch wheels to the guiding of heat pipe 11 non-heat radiation side and spacing after heat pipe 11 lateral surface of heating element form two symmetrical semi-circular recesses 12.
Comparative example
As shown in Figure 7, a kind of thermal sensitive ceramics heating element, comprise the heating part of heater and radiator 21 composition, connect wire harness and mounting bracket 12, described radiator 21 is the hollow radiator integrated with heat pipe 11, described heater comprises heat pipe 11 and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet 6, electrode slice 1 and insulating paper 7, maintains an equal level between the heat pipe 11 exit head of heating element heating part and the fin end of described radiator 21 exit head.Described connecting line is directly crimped on electrode slice.
Claims (20)
1. the electrode slice of the heat generating core of a thermal sensitive ceramics heater, it is characterized in that: the length direction of described electrode slice (1) is thermal conductive surface (2), the exit (3) of the thermal conductive surface (2) of described electrode slice (1) has a lead surface (4), described lead surface (4) there is the first through hole (5), the width 0-10mm less of the width of electrode slice thermal conductive surface (2) of described lead surface (4), the thickness of described electrode slice (1) is 0.1-0.8mm.
2. the heat generating core of a thermal sensitive ceramics heater, it is characterized in that: described heat generating core comprises thermal sensitive ceramics fever tablet (6), electrode slice (1) and insulating paper (7), the length direction of described fever tablet (6) is heating face, described insulating paper (7) is by electrode slice (1) and to be clamped in middle fever tablet (6) closely coated, the heating face of described fever tablet (6) and the thermal conductive surface (2) of described electrode slice (1) fit tightly, the thickness in monolayer of described insulating paper (7) is 0.05 ~ 0.16mm, and width is 28 ~ 88mm.
3. thermal sensitive ceramics heat generating core according to claim 2, it is characterized in that: it is softening between 200-350 DEG C and at the compound sticking layer of cold curing that the surface of described insulating paper (7) has at least one side to be coated with, the at least coated two layers of insulating paper (7) of electrode slice (1) outer surface being clamped with described fever tablet (6), the binding site (8) of described insulating paper (7) is in the non-conductive face of heat generating core thickness side.
4. thermal sensitive ceramics heat generating core according to claim 2, it is characterized in that: between the electrode slice (1) being positioned at described heat generating core power outlet portion in described insulating paper (7), at least clamped a slice first heat conductive isolation sheet (9), the head of described first heat conductive isolation sheet (9) exceeds the thermal conductive surface (2) of described electrode slice (1) and the junction 0 ~ 5mm of lead surface (4), and the relative distance between the head of described insulating paper (7) and the head of described first heat conductive isolation sheet (9) is 1 ~ 5mm.
5. thermal sensitive ceramics heat generating core according to claim 2, it is characterized in that: be positioned in described insulating paper (7) another non-power of described heat generating core draw tail end electrode slice (1) between at least clamped a slice second heat conductive isolation sheet (10), the tail end of described second heat conductive isolation sheet (10) exceeds the tail end 1 ~ 8mm of described electrode slice (1), and the tail end of described insulating paper (7) exceeds the tail end 2 ~ 6mm of described second heat conductive isolation sheet (10).
6. the heater of a thermal sensitive ceramics heating element, comprise heat generating core and heat pipe (11), described heat generating core is formed closely coated for electrode slice (1) surrounding having clamped fever tablet (6) and insulating trip by insulating paper (7), centre is the rectangular enclosure that can penetrate and hold described heat generating core, described heat generating core runs through the rectangular enclosure of heat pipe (11), it is characterized in that: described heat generating core exit head extends heat pipe (11) exit, insulating paper (7) head being positioned at this exit exceeds the head 3-8mm of the heat pipe (11) corresponded to herein.
7. thermal sensitive ceramics heater according to claim 6, is characterized in that: be coated with heatproof insulating cement (25) between the opposing electrode exit in the lead size portion of described heater, and the coating thickness of described insulating cement (25) is 1-4mm.
8. heater according to claim 6, it is characterized in that: described heat generating core is positioned at the afterbody cavity of described heat pipe (11) at insulating paper (7) afterbody being positioned at non-exit tail end, the relative distance between the tail end of described insulating paper (7) and the tail end of described heat pipe (11) is 0 ~ 30mm.
9. heater according to claim 6, the periphery wall thickness of described heat pipe (11) is roughly equal, centre is the rectangular enclosure that can penetrate and hold described heat generating core, it is characterized in that: the lateral surface of described heat pipe (11) is provided with and is no less than two semicircular grooves (12).
10. one kind adopts the thermal sensitive ceramics heating element of heater as described in claim 6-9, comprise the heating part that heater and radiator (21) form, connect wire harness and mounting bracket (13), described heater comprises heat pipe (11) and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet (6), electrode slice (1) and insulating paper (7), it is characterized in that: described connection wire harness comprises brace (14), there is the pressure contact portion (15) holding connecting line one end of described brace (14), the pressure contact portion (15) of described every a connecting piece (14) crimps the connecting line containing temperature controller (16)/temperature fuse (17), the other end of described brace (14) has the binding face (18) combined with the lead surface (4) of the electrode slice of described heating element (1) exit, binding face (18) there is second through hole (19) corresponding with upper first through hole of electrode slice (1) lead surface (4) (5), described first through hole (5) is crimped by rivet (20) with the second through hole (19), described connection wire harness and the riveted joint of described heating part is made to become overall.
11. heating elements according to claim 10, it is characterized in that: described heater comprises heat pipe (11) and heat generating core, heat generating core comprises thermal sensitive ceramics fever tablet (6), electrode strip (24) and insulating paper (7), it is characterized in that: described electrode strip (24) connects wire harness and comprises brace (14), there is the pressure contact portion (15) holding connecting line one end of described brace (14), the pressure contact portion (15) of described every a connecting piece (14) crimps the connecting line containing temperature controller (16)/temperature fuse (17), the other end of described brace (14) has the binding face (18) combined with the lead surface (4) of the electrode slice of described heating element (1) exit, binding face (18) there is second through hole (19) corresponding with upper first through hole of electrode slice (1) lead surface (4) (5), described first through hole (5) is crimped by rivet (20) with the second through hole (19), described connection wire harness and the riveted joint of described heating part is made to become overall.
12. heating elements according to claim 10, is characterized in that: the relative distance between heat pipe (11) the exit head of described heating element heating part and the fin end of described radiator (21) exit head is 1 ~ 40mm.
13. heating elements according to claim 10, it is characterized in that: described radiator (21) comprises the hollow radiator with the fin that described heat pipe (11) length direction radiating surface (22) combines/integrated with heat pipe (11), and the width of described fin is 14-26mm.
14. heating elements according to claim 10, is characterized in that: described heat pipe (11) length direction has radiating surface (22) and press face (23), and the width of described heat pipe (11) is 20 ~ 35mm.
15. heating elements according to claim 10, it is characterized in that: clamped the first heat conductive isolation sheet (9) between the electrode slice (1) of the power outlet head of described heat generating core, the relative distance that the exposed junction of described first heat conductive isolation sheet (9) and described radiator (21) correspond to fin end is herein 2 ~ 45mm.
16. heating elements according to claim 12, is characterized in that: the width of the radiating surface (22) of described heat pipe (11) exceeds the width 0 ~ 15mm of described radiator (21).
17. heating elements according to claim 14, it is characterized in that: the length direction of described heat pipe (11) has the radiating surface (22) being greater than radiator (21) width, two sides of described radiating surface (22) are press face (23), and the width of each side press face (23) is 3 ~ 10mm.
18. heating elements according to claim 10, is characterized in that: described radiator (21) be positioned at power outlet head thermal conductive surface (22) end and correspond to clamp fin herein vertical plane between relative distance be 0 ~ 20mm.
The preparation technology of 19. 1 kinds of thermal sensitive ceramics heating elements, it is characterized in that: before heat pipe (11) surface conjunction fin, described heat pipe (11) carries out by being no less than two groups of its radiating surfaces of laterally zygomorphic pair of rollers (22) heating face (6) and the electrode slice (1) that roll extrusion gradually makes pipe internal heat generation sheet, insulating paper (7) fits tightly integral, when heat pipe (11) roll forming, the clamping and positioning wheel being no less than two groups of symmetries in addition synchronously leads to the non-heat radiation side of described heat pipe (11), clamping and spacing, at heat pipe (11) surface conjunction fin after described heat pipe (11) roll forming.
The preparation technology of 20. thermal sensitive ceramics heating elements according to claim 19, is characterized in that: through radiating surface (22) roll extrusion of described pair of rollers heat pipe (11) and pinch wheels to the guiding of heat pipe (11) non-heat radiation side and spacing after heat pipe (11) lateral surface of heating element formed and be no less than two symmetrical semi-circular recesses (12).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510162006.3A CN104797015B (en) | 2015-04-08 | 2015-04-08 | A kind of heat generating core of thermal sensitive ceramics heating element |
| CN201611242801.4A CN106851868B (en) | 2015-04-08 | 2015-04-08 | Heating body of thermal sensitive ceramic heater |
| CN201611242819.4A CN106851869B (en) | 2015-04-08 | 2015-04-08 | Preparation process of thermosensitive ceramic heater |
| CN201611242818.XA CN106793193B (en) | 2015-04-08 | 2015-04-08 | Thermal sensitive ceramic heater |
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| 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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| CN201611242818.XA Division CN106793193B (en) | 2015-04-08 | 2015-04-08 | Thermal sensitive ceramic heater |
| CN201611242801.4A Division CN106851868B (en) | 2015-04-08 | 2015-04-08 | Heating body of thermal sensitive ceramic heater |
| CN201611242819.4A Division CN106851869B (en) | 2015-04-08 | 2015-04-08 | Preparation process of thermosensitive ceramic heater |
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| CN201510162006.3A Active CN104797015B (en) | 2015-04-08 | 2015-04-08 | A kind of heat generating core of thermal sensitive ceramics heating element |
| CN201611242801.4A Active CN106851868B (en) | 2015-04-08 | 2015-04-08 | Heating body of thermal sensitive ceramic heater |
| CN201611242819.4A Active CN106851869B (en) | 2015-04-08 | 2015-04-08 | Preparation process of thermosensitive ceramic heater |
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| CN109246865A (en) * | 2018-08-21 | 2019-01-18 | 无锡国威陶瓷电器有限公司 | A kind of PTC heater part |
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| CN109152110B (en) * | 2018-08-21 | 2024-05-24 | 宿州国威热敏新材料有限公司 | PTC heating device and electric appliance comprising same |
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| CN109168202B (en) * | 2018-08-21 | 2024-05-24 | 宿州国威热敏新材料有限公司 | PTC heating device and electric appliance comprising same |
| CN109982456A (en) * | 2019-04-30 | 2019-07-05 | 江苏新林芝电子科技股份有限公司 | The fever cored structure of ptc heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106851868A (en) | 2017-06-13 |
| CN106793193B (en) | 2020-08-14 |
| CN106851868B (en) | 2020-08-14 |
| CN106851869B (en) | 2020-08-14 |
| CN106851869A (en) | 2017-06-13 |
| CN104797015B (en) | 2017-12-12 |
| CN106793193A (en) | 2017-05-31 |
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