CN109246863A - A kind of PTC heater part - Google Patents
A kind of PTC heater part Download PDFInfo
- Publication number
- CN109246863A CN109246863A CN201810986815.XA CN201810986815A CN109246863A CN 109246863 A CN109246863 A CN 109246863A CN 201810986815 A CN201810986815 A CN 201810986815A CN 109246863 A CN109246863 A CN 109246863A
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- China
- Prior art keywords
- heat
- conducting
- aluminium pipe
- pipe
- conducting aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000004411 aluminium Substances 0.000 claims abstract description 34
- 206010037660 Pyrexia Diseases 0.000 claims description 9
- 238000010257 thawing Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- 206010020843 Hyperthermia Diseases 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 230000036031 hyperthermia Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 230000008646 thermal stress Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- 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
- H05B3/04—Waterproof or air-tight seals for heaters
-
- 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
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of PTC heater parts, including heat generating core and the hollow heat-conducting aluminium pipe of thin-walled prolate and radiator, the surface of heat-conducting aluminium pipe is the roughly equal heat-conducting planar of wall thickness and press face, the width of press face is 0.5~6mm, heat generating core penetrate the heat-conducting aluminium pipe including radiator it is intracavitary after, by the press face pressurization to the heat-conducting aluminium pipe, substantially eliminate the width gaps between the heat generating core and the heat-conducting aluminium pipe cavity inner sidewall simultaneously.Using design of the invention, solve existing PTC heater part pipe internal heat generation body the thermal stress caused by moment cold and hot violent change in frequent operation discharges lead to the loosening of heat-conducting aluminium pipe and generate the gap between pipe internal heat generation element and conductive electrode and insulating layer and thus contact gap and it is common because arcing between heater element and electrode slice, carbonization so that caused by long-term arcing localized hyperthermia cause to insulate melting layer due to the surface electrification and electric leakage that generate, short circuit and breakdown, explode, burn the problem of indoor unit of inflammable plastics.
Description
Technical field
The present invention relates to a kind of thermal sensitive ceramic heater, there is the one of the heat-conducting aluminium pipe of main body reinforcing rib in especially a kind of side
Kind PTC heater part.
Background technique
A kind of PTC thermal sensitive ceramic electric heater bracket and PTC electric heater (publication number CN201174784), including peace
Dress face and supporting surface are equipped with the inner concave shape chamber for installing fixed heater on the support surface, the bottom of interior Reentrant Cavity be additionally provided with to
The cavity for being used to place heating unit power exit connecting wire of interior extension, is equipped with conducting wire on the supporting surface of the cavity bottom
Fairlead.The through-hole for placing fuse is equipped in the one side wall of supporting surface.
By this technical solution can achieve by fuse be incorporated into bracket prevent its be connected to bracket periphery and influence
Safety, but be also mounted in the one side wall of supporting surface due to it, connecting line still can be wound in bracket outer, power supply
Lead still has the hidden danger for loosening, falling off under external force.
A kind of ptc heater support base and ptc heater (publication number: CN200920235929), including pedestal, cover board and
Screw；Pedestal is fixedly connected with cover board by screw；It is equipped with the open cavity of one side in pedestal, is equipped on interval in the cavity
Wall, interval lower wall；Interval upper wall is located between the heater and temperature controller of ptc heater；Interval lower wall is located at PTC heating
Between the heater and temperature fuse of device.
Temperature controller and temperature fuse can be mounted in bracket, solve temperature controller and melted by this technical solution
The integrity problem of disconnected device positioning.But since extraction wire is easy that loose or dislocation occurs under the pulling repeatedly of external force, two are not
The electrode slice of same polarity and the live part of line group joint face also have cause short circuit and because crimp it is bad caused by contact sparking or
It loosens.
Two or more heaters are shared a tailstock and an electric appliance connect by PTC heater (publication number: 104053255A)
Joint chair, temperature controller and temperature fuse plug electrically slotting chamber and electric screen shield connection after being fixed in the electrical connection seat on naked road
Connect seat shield.It is asked using the positioning that the technology can solve the installation of temperature controller and fuse in electrical connection seat in tailstock
Topic, but still can not solve the displacement between the part inside carrier base body between power supply lead wire, interfere with each other etc.
Safety and reliability problem.
The above-mentioned prior art is fixed after there is the extraction of thermal sensitive ceramics heater electric power connection line without effective insulation, vulnerable to
Drawing impression, at the same there are also mounting bracket internal electric source connecting line also vulnerable to external drawing influence the problem of.
In addition, existing cabinet air-conditioner is that single group or multiple groups are in parallel with thermal sensitive ceramics heater material, electric power connection line
Interfere with each other after extraction, fixed without effective insulation, influenced by machine assembly, transport drawing, easily fall off with it is short
The safety hazards on road.
A kind of PTC liquid electric heater (publication number CN2612898Y), the power supply line are connected with the electrode and are it
Power supply, the power supply line are connected by the power supply line entrance of the metal shell with the external world.
Using such technical solution, since power supply line is directly connect with electrode, contact resistance is big, and power supply line is in external force
Lower tie-point, which is easily led to, to fall off.
A kind of Rapid electric water heater (publication number CN2742335Y) of PTC heating, conducting wire on electrical control gear with
Inserted sheet on heating device is connected.
Using such technical solution, at least need inserted sheet, insert spring and sheath with the help of complete conducting wire and PTC electrode slice
Connection just can guarantee its safety, meanwhile, the requirement of inserted sheet insertion is very high, if not agreeing with portion with it completes connection, inserted sheet is easy
It falls off from PTC electrode slice and heater is caused to damage.
A kind of PTC heat generating member (publication number CN2684506Y) with fastening terminal, is equipped with cramp, institute on the terminal
The cramp stated is by stamping connection on electrode plate.Using such technical solution, cramp is equivalent to inserted sheet, and the distance of punching press needs
Adjustment in real time inevitably has contact gap at the docking of inserted sheet and slotting spring, if not agreeing with portion with it completes connection, inserted sheet easily from
PTC electrode slice falls off on spring to patching and heater is caused to be not turned on, and adjusts need to have more artificial nurse in real time, causes
Increased costs.
Furthermore the prior art also has the electrode slice using the connection sheet with flange electrolysis or cornerite electrolysis and heating strip
The connection scheme of punching press, though the program can solve the reliable problem of crimping of line group and connection sheet, due to flange electrolysis or packet
Angle electrolysis and electrode slice are face contacts, mutually fit slightly uneven, then easily lead to matching loose, cause to loosen.Along with punching
The plane punch of pressing mold applies surge to two sides of flange or cornerite simultaneously, due to two sides of electrode slice and flange or cornerite
Contact position is line contact, and impression also focuses on this, and the slightly small uneven shape degree of stamping die will lead to electrode slice in indentation line
On damage and fracture, lead to scrapping for a whole set of heating strip and line group.
In summary: there is poor contact, crimping pine in the power supply line of the above-mentioned prior art and the connection type of electrode slice
Dynamic, many safety and reliability hidden danger such as punching press is impaired.
Prior art: being conducting resinl between fever tablet and electrode slice, since conducting resinl contains a large amount of metallic conduction powder, leads
The adhesive strength of glue is caused to substantially reduce.2, the silica gel in the solidification of room temperature state rapid and natural, production and storage cost are used
Also high, use is also inconvenient.3 ,~existing heat generating core is the groove of formation side after rolling, to improvement heater element and electricity
Contact between pole piece and aluminum pipe heating surface, improving the thermal efficiency has good effect.
Prior art disadvantage: 1, new industry CN00221004:(1) although setting side wall, the antetheca that can be set in bracket
Or roof and forward, backward, a variety of inserted modes such as to the left or to the right, but each define temperature control temperature surface and have to urged against surface
This premise of the heat sink strip of electrification is easy to happen the safety hazards such as short circuit, electric leakage, unreliable and be difficult to operation and installation.(2)
Two jacks of temperature control and fusing are deep into the cavity interior walls of bracket respectively, make power supply lead wire and the contact that is electrically connected exposed can only prop up
Outside frame.(3) cover board being arranged only withstands the positioning action of temperature controller, can not solve the problems, such as that the tie point of live part is exposed,
Bring the very big hidden danger using upper safety and reliability.2, slowly at eastern CN201420064071: the cover board of setting it is exposed
The space of rack surface is easy to cause water droplet to penetrate into the hidden danger for bringing safety in the cavity of positioning temperature control and fuse.3, state
Prestige 200920235929:(1) temperature control is located in the cavity of bracket pedestal, heating device temperature controller sense under the working condition of ventilation
The temperature change in warm face and dry-fire condition difference when being abnormal are unobvious, need longer recovery time that can just make temperature surface
Temperature reach protection temperature.(2) temperature difference of ventilation state and dry-fire condition is unobvious, is easy to cause malfunction.(3) temperature control is empty
Chamber is placed in the pedestal of bracket, and the space occupied is big, is easy to cause power supply line and tie point in pedestal cavity between opposed polarity
Short circuit occurs for interference or the significant safeties accident such as climb electricity.
1, national strength and prestige patent CN204741574U and CN104797015A:(1) there is no extended surface and the second through-hole (2) on cover board
There is no sealing ring on harness, pricks positioning harness by line, it is unreliable easily to loosen.
Prior art: (1) tail bracket cavity inside is without sealant, because of the production of the cold and hot violent change of environment temperature when heater works
Raw condensation water, which easily infiltrates into, leads to short circuit inside the aluminum pipe heater of tail portion.(2) there are blow-by in Linzhi CN302536477S, tail portion
Step, sealant can not be accommodated.(3) tail portion of the tail portion of aluminum pipe heater and radiator flush or below radiator.
Prior art: Gree CN201010245871:(1) all power contact is exposed to the surface of bracket, it can not solve
The electrical leakage problems for certainly sealing and using under damp state, use are dangerous.(2) engaging portion of bracket and heater is without chamfering or groove,
(3) engaging portion is easily seeped water without sealant, junction gap, not can guarantee sealing performance and is avoided the infiltration used under damp state environment
And electrical leakage problems, use are dangerous.
Summary of the invention
Goal of the invention: it is an object of the invention to solve existing PTC heater part pipe internal heat generation body in frequent operation
Starting~heating~shutdown cooled middle the thermal stress caused by moment cold and hot violent change release due to lead to the loosening of heat-conducting aluminium pipe and
Generate gap between pipe internal heat generation element and conductive electrode and insulating layer and thus contact gap and common because of heater element
Between electrode slice arcing, carbonization so that caused by long-term arcing localized hyperthermia cause to insulate melting layer due to the surface that generates
Electrification and electric leakage, short circuit and breakdown are exploded, a series of great and pernicious safety hazards such as the indoor unit that burns inflammable plastics
Problem.
Technical solution: a kind of PTC heater part, including heat generating core and the hollow heat-conducting aluminium pipe of thin-walled prolate and radiator, institute
The surface for stating heat-conducting aluminium pipe is the roughly equal heat-conducting planar of wall thickness and press face, and the width of the press face is 0.5~6mm,
The preparation process of the heat-conducting aluminium pipe the following steps are included:
1) aluminium ingot is melted in special thawing furnace and is softened；
2) the softening molten aluminum at fire door with some strength will be located at again by dedicated die cavity to furnace out-draw, the die cavity
Positioned at the fire door of the thawing furnace；
3) molten aluminum of the softening is quickly cooled down during the Uniform Tension of room temperature environment, forms the hollow heat conduction aluminum of prolate
Pipe.
Further, the heat generating core has the first electrode item comprising conducting surface and thermal conductive surface and second electrode item, several
PTC fever tablet that piece is clamped side by side by the thermal conductive surface of the electrode strip, between the PTC fever tablet and electrode strip thermal conductive surface
Heatproof insulation silica gel and the heatproof insulating film composition for having coated the electrode strip for having clamped PTC heater element, the radiator
It inlays or is welded on the heat-conducting planar of the heat-conducting aluminium pipe, the heat generating core penetrates the heat conduction aluminum lumen including radiator
After interior, pressurizeed, made between the heat generating core and the heat-conducting aluminium pipe cavity inner sidewall by the press face to the heat-conducting aluminium pipe
Width gaps substantially eliminate simultaneously, and the radiator is located on the heat-conducting planar of the heat-conducting aluminium pipe, are combined into the PTC hair
Thermal device.
A kind of electric appliance contains a kind of PTC heater part.
Further, the electric appliance is selected from air-conditioning, warm-air drier, hot air curtain device, super bath, dehumidifier, air purifier, does
At least one of clothing machine, new-energy automobile steam air heater or demisting defroster.
The utility model has the advantages that the present invention is in terms of existing technologies:
It is easy for installation using the cooling fin of welded type, existing PTC heater part pipe internal heat generation body is solved in frequent operation
The starting~heating~shutdown cooled middle thermal stress caused by moment cold and hot violent change release due to lead to the loosening of heat-conducting aluminium pipe
And generate the gap between pipe internal heat generation element and conductive electrode and insulating layer and thus contact gap and it is common because fever member
Arcing between part and electrode slice, carbonization so caused by long-term arcing localized hyperthermia cause to insulate melting layer due to the table that generates
Face electrification and electric leakage, short circuit and breakdown are exploded, a series of great and pernicious safety hazards such as the indoor unit that burns inflammable plastics
The problem of.
Detailed description of the invention
Fig. 1 is the heating device schematic diagram for the radiator that the present invention has wrapped up corrugated cooling strip using thermally conductive plain film.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment 1
A kind of PTC heater part, including heat generating core and the hollow heat-conducting aluminium pipe 1 of thin-walled prolate and radiator, the heat conduction aluminum
The preparation process of pipe 1 the following steps are included:
1) aluminium ingot is melted in special thawing furnace and is softened:
2) the softening molten aluminum at fire door with some strength will be located at again by dedicated die cavity to furnace out-draw, the die cavity
Positioned at the fire door of the thawing furnace；
3) molten aluminum of the softening is quickly cooled down during the Uniform Tension of room temperature environment, forms the hollow heat conduction aluminum of prolate
Pipe.
If the heat generating core has the first electrode item comprising conducting surface and thermal conductive surface and second electrode item, dry plate by the electricity
The PTC fever tablet that the thermal conductive surface of pole item 2 clamps side by side, the heatproof insulation between the PTC fever tablet and electrode strip thermal conductive surface
Silica gel and the heatproof insulating film composition for having coated the electrode strip 2 for having clamped PTC heater element, the table of the heat-conducting aluminium pipe 1
Face is the roughly equal heat-conducting planar 8 of wall thickness and press face 9, and leading for the heat-conducting aluminium pipe 1 is inlayed or be welded on to the radiator 6
In hot plane 8, the heat generating core penetrate the heat-conducting aluminium pipe 1 including radiator 6 it is intracavitary after, by the heat-conducting aluminium pipe 1
Press face 9 pressurize, substantially eliminate the width gaps between 1 cavity inner sidewall of the heat generating core and the heat-conducting aluminium pipe simultaneously,
The width of the press face is 0.5~6mm, and the radiator 6 is located on the heat-conducting planar 8 of the heat-conducting aluminium pipe 1, is combined into
The PTC heater part.
Embodiment 2
A kind of electric appliance contains PTC heater part and sub-assembly.
The electric appliance is selected from air-conditioning, warm-air drier, hot air curtain device, super bath, dehumidifier, air purifier, dryer, new energy
At least one of source Automaobile warm-air apparatus or demisting defroster.
Claims (4)
1. a kind of PTC heater part, it is characterised in that: including heat generating core and the hollow heat-conducting aluminium pipe of thin-walled prolate and radiator, institute
The surface for stating heat-conducting aluminium pipe is the roughly equal heat-conducting planar of wall thickness and press face, and the width of the press face is 0.5~6mm,
The preparation process of the heat-conducting aluminium pipe the following steps are included:
1) aluminium ingot is melted in special thawing furnace and is softened；
2) will be located at fire door again has the softening molten aluminum of some strength by dedicated die cavity to furnace out-draw, and the die cavity is located at
The fire door of the thawing furnace；
3) molten aluminum of the softening is quickly cooled down during the Uniform Tension of room temperature environment, forms the hollow heat-conducting aluminium pipe of prolate.
2. PTC heater part according to claim 1, it is characterised in that: the heat generating core has comprising conducting surface and thermally conductive
If the first electrode item and second electrode item in face, dry plate by PTC fever tablet that the thermal conductive surface of the electrode strip clamps side by side, be located at
Heatproof insulation between the PTC fever tablet and electrode strip thermal conductive surface and has coated the electricity for having clamped PTC heater element at silica gel
The heatproof insulating film of pole item forms, and the radiator is inlayed or is welded on the heat-conducting planar of the heat-conducting aluminium pipe, the fever
Core penetrate the heat-conducting aluminium pipe including radiator it is intracavitary after, pressurizeed by the press face to the heat-conducting aluminium pipe, make the hair
Width gaps between hot core and the heat-conducting aluminium pipe cavity inner sidewall substantially eliminate simultaneously, and the radiator is located in described thermally conductive
On the heat-conducting planar of aluminum pipe, it is combined into the PTC heater part.
3. a kind of electric appliance, it is characterised in that: contain any PTC heater part described in the claims 1 or 2.
4. electric appliance according to claim 3, it is characterised in that the electric appliance is selected from air-conditioning, warm-air drier, hot air curtain device, bath
Despot, dehumidifier, air purifier, dryer, new-energy automobile steam air heater or demisting defroster at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986815.XA CN109246863A (en) | 2018-08-21 | 2018-08-21 | A kind of PTC heater part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986815.XA CN109246863A (en) | 2018-08-21 | 2018-08-21 | A kind of PTC heater part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109246863A true CN109246863A (en) | 2019-01-18 |
Family
ID=65068723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986815.XA Pending CN109246863A (en) | 2018-08-21 | 2018-08-21 | A kind of PTC heater part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109246863A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246864A (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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345986A (en) * | 2013-07-03 | 2013-10-09 | 德阳博创电工设备有限公司 | Continuous aluminum squeezing machine and aluminum squeezing method |
| CN104797015A (en) * | 2015-04-08 | 2015-07-22 | 蒋国屏 | Thermal sensitive ceramic heater and heating body and heating core applied to thermal sensitive ceramic heater |
| CN209676509U (en) * | 2018-08-21 | 2019-11-22 | 无锡国威陶瓷电器有限公司 | A kind of ptc heater part and the electric appliance containing it |
-
2018
- 2018-08-21 CN CN201810986815.XA patent/CN109246863A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345986A (en) * | 2013-07-03 | 2013-10-09 | 德阳博创电工设备有限公司 | Continuous aluminum squeezing machine and aluminum squeezing method |
| CN104797015A (en) * | 2015-04-08 | 2015-07-22 | 蒋国屏 | Thermal sensitive ceramic heater and heating body and heating core applied to thermal sensitive ceramic heater |
| CN209676509U (en) * | 2018-08-21 | 2019-11-22 | 无锡国威陶瓷电器有限公司 | A kind of ptc heater part and the electric appliance containing it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246864A (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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