CN109219167A - A kind of PTC heater part - Google Patents
A kind of PTC heater part Download PDFInfo
- Publication number
- CN109219167A CN109219167A CN201810986812.6A CN201810986812A CN109219167A CN 109219167 A CN109219167 A CN 109219167A CN 201810986812 A CN201810986812 A CN 201810986812A CN 109219167 A CN109219167 A CN 109219167A
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- CN
- China
- Prior art keywords
- heat
- ptc
- heater
- aluminium pipe
- conducting
- 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 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004411 aluminium Substances 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 206010037660 Pyrexia Diseases 0.000 claims description 7
- 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
- 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
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 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
- 230000020169 heat generation Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000005096 rolling process 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
- 230000006872 improvement Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 238000009434 installation 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
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008646 thermal stress 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
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect 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
- 238000011900 installation process Methods 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
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery 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
- 230000035882 stress Effects 0.000 description 1
- 230000007306 turnover Effects 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
-
- 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
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of PTC heater part, the heating device includes heat generating core, heat-conducting aluminium pipe and radiator, and there is arc column body reinforcing rib in the heat-conducting aluminium pipe side of heating device.The present invention improves the intensity of heating device, eliminates the security risk of fuse lead and body interference, meets compact-sized, reliable operation and using invention effects such as a series of structures, technique and the reliabilities such as safe.
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 PTC heat generating core and heat-conducting aluminium pipe and radiator, the heat generating core have
If first electrode item and second electrode item, dry plate comprising conducting surface and thermal conductive surface are clamped side by side by the thermal conductive surface of the electrode strip
PTC fever tablet, the heatproof insulation silica gel between the PTC fever tablet and electrode strip thermal conductive surface and coated the clamping
The heatproof insulating film of the electrode strip of PTC heater element forms, and there is a no less than column in the heat-conducting aluminium pipe side of the heating device
Body reinforcing rib, the cylinder reinforcing rib the side of the heat-conducting aluminium pipe heater be substantially centered position and with the heat-conducting aluminium pipe
Isometric, the section of the cylinder reinforcing rib is that chord width is 0.3~2mm, bends the generally arcuate of a height of 0.2~2mm.
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:
Existing heat generating core is the groove of formation side after rolling, is generated heat improvement heater element and electrode slice and aluminum pipe
Contact between face, improving the thermal efficiency has good effect.Heat generating core is because of thickness after the present invention can greatly improve rolling
State change and discharge stress caused by bending, guarantee roll after product it is straight, indeformable.For length be 500~
1000mm or more (on-hook, cabinet-type air conditioner between 1.5~5), the reinforcing rib of side is greatly improved bending resistance, flexural strength, has
It the elimination of effect and deforms caused by reducing in turnover, transport, installation process because of external force.
In addition, the reinforcing rib of side also can greatly improve and promoted heat-conducting aluminium pipe in being coated on heater element, lead
Cladding intensity between electric electrode slice and insulating layer effectively eliminates pipe internal heat generation body in starting~heating~shutdown of frequent operation
The cooled middle thermal stress caused by moment cold and hot violent change discharges and leads to the loosening of heat-conducting aluminium pipe and generate pipe internal heat generation element
Gap between conductive electrode and insulating layer and thus contact gap and it is common because arcing between heater element and electrode slice,
Carbonization so caused by long-term arcing localized hyperthermia cause insulate melting layer due to generate surface electrification and electric leakage, short circuit and
Breakdown is exploded, the generation of a series of great and pernicious safety hazards such as the indoor unit that burns inflammable plastics.
Since aluminum pipe is small compared with comparing for no reinforcing rib to the recess dimensions of aluminum pipe inner cavity in the rolling process after poling,
It can achieve in this way and reduce the tube wall of side in pressing process and insulate to the compressive zone of insulating film the on-insulated peace of membrane damage
Full property hidden danger;
The reinforcing rib of side more favorably eliminate when aluminum pipe heater rolls after poling aluminum pipe eliminate manage in each part it
Between irregularly prolonging along length and width direction during gap (extension including aluminum pipe wall thickness itself) between tube wall
Stretch, under the premise of extending uniform, electrode slice, insulating film and PTC heater element inside aluminum pipe will with the thermally conductive inner wall of aluminum pipe it
Between it is each to being tightly combined, positive effect can be brought to the thermal efficiency, anti-aging property and the long term reliability that improve product
Fruit;
Under the premise of combining even closer between each part in the uniform pipe of the contraction of aluminum pipe, to improvement product because cold and hot
The action noise that violent change generates is obviously improved effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention using the heat-conducting aluminium pipe of cylinder reinforcing rib.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, a kind of PTC heater part, including PTC heat generating core and heat-conducting aluminium pipe and radiator, the heat generating core
If having first electrode item and second electrode item, dry plate comprising conducting surface and thermal conductive surface arranged side by side by the thermal conductive surface of the electrode strip 2
The PTC fever tablet of clamping, the heatproof insulation between 2 thermal conductive surface of the PTC fever tablet and electrode strip and have coated described silica gel
The heatproof insulating film 5 for having clamped the electrode strip 2 of PTC heater element forms, and 1 side of heat-conducting aluminium pipe of the heating device has much
In a cylinder reinforcing rib 15, the cylinder reinforcing rib 15 the side of 1 heater of heat-conducting aluminium pipe be substantially centered position and
Isometric with the heat-conducting aluminium pipe 1, the section of the cylinder reinforcing rib 15 is that chord width is 0.3-2mm, bends the big of a height of 0.2~2mm
Cause arc.
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 (3)
1. a kind of PTC heater part, it is characterised in that: including PTC heat generating core and heat-conducting aluminium pipe and radiator, the heat generating core has
If first electrode item and second electrode item, dry plate comprising conducting surface and thermal conductive surface are clamped side by side by the thermal conductive surface of the electrode strip
PTC fever tablet, the heatproof insulation silica gel between the PTC fever tablet and electrode strip thermal conductive surface and coated the clamping
The heatproof insulating film of the electrode strip of PTC heater element forms, and there is a no less than column in the heat-conducting aluminium pipe side of the heating device
Body reinforcing rib, the cylinder reinforcing rib the side of the heat-conducting aluminium pipe heater be substantially centered position and with the heat-conducting aluminium pipe
Isometric, the section of the cylinder reinforcing rib is that chord width is 0.3~2mm, bends the generally arcuate of a height of 0.2~2mm.
2. a kind of electric appliance, it is characterised in that: contain PTC heater part described in claim 1.
3. electric appliance according to claim 2, 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 |
---|---|---|---|
CN201810986812.6A CN109219167A (en) | 2018-08-21 | 2018-08-21 | A kind of PTC heater part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810986812.6A CN109219167A (en) | 2018-08-21 | 2018-08-21 | A kind of PTC heater part |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109219167A true CN109219167A (en) | 2019-01-15 |
Family
ID=64985624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810986812.6A Pending CN109219167A (en) | 2018-08-21 | 2018-08-21 | A kind of PTC heater part |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109219167A (en) |
-
2018
- 2018-08-21 CN CN201810986812.6A patent/CN109219167A/en active Pending
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