CN109587835A - A kind of sub-assembly of PTC heater part - Google Patents
A kind of sub-assembly of PTC heater part Download PDFInfo
- Publication number
- CN109587835A CN109587835A CN201810986747.7A CN201810986747A CN109587835A CN 109587835 A CN109587835 A CN 109587835A CN 201810986747 A CN201810986747 A CN 201810986747A CN 109587835 A CN109587835 A CN 109587835A
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- Prior art keywords
- pedestal
- hole
- sub
- ptc heater
- assembly
- Prior art date
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- 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 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000565 sealant Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000007142 ring opening reaction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000002791 soaking Methods 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic 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
- 238000011049 filling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000020169 heat generation Effects 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
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- 239000004411 aluminium Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000036031 hyperthermia Effects 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
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 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
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
- 230000008646 thermal stress 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
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of sub-assemblies of PTC heater part, including PTC heater part, the first mounting bracket, the second mounting bracket, the introducing power supply harness for being connected to temperature controller and temperature fuse, first mounting bracket has pedestal and capping, the breech face of the pedestal has the first through hole of substantially semicircle, the capping, which corresponds to the pedestal breech face first through hole position, the extension perpendicular to capping, there is the second through-hole corresponding to the pedestal breech face first through hole on the extension.Harness is closely compressed and is sealed by sealing ring, along with the sealant of sealant junction, thoroughly prevent the hidden danger that damp state air and water droplet penetrate into pedestal cavity still to be able to guarantee that the electrification tie point in first support cavity is fully sealed even if first support is immersed in the water.It thoroughly solves the electric leakage used under damp state environment and Soaking environment, short-circuit hidden danger from structure, substantially increases safety reliability.
Description
Technical field
The present invention relates to a kind of thermal sensitive ceramic heater, especially a kind of sub-assembly of 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, Xu Chengdong 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 sub-assembly of PTC heater part, including PTC heater part, the first mounting bracket, the second peace
Dress bracket, the introducing power supply harness for being connected to temperature controller and temperature fuse, first mounting bracket have pedestal and envelope
Lid, the breech face of the pedestal have the first through hole of substantially semicircle, and the capping corresponds to the pedestal breech face first through hole
There is the extension perpendicular to capping at position, has on the extension logical corresponding to the second of the pedestal breech face first through hole
Hole.
Further, the power supply harness is penetrated in insulating sleeve by the conducting wire forms, and sets on the insulating sleeve
It is inlaid with rubber seal, the rubber seal and the power supply harness that cladding is set by it are positioned at described first together and lead to
Described while cover pedestal in hole, the second through-hole, the first through hole and the second through-hole coincide in a substantially circular
Three through-holes are covered by compressing, and the rubber seal being embedded in the third through-hole is tightly compacted, make the rubber
The sealing without any gap is formed between glue sealing ring and the insulating sleeve and conducting wire that are coated by it to cooperate.
Further, it is open at the sealing ring periphery at least one, it, can be by following step before covering and compressing capping
It is rapid:
1) rubber seal is first embedded in the third through-hole of the pedestal；
2) it breaks the rubber seal opening into two with one's hands, is put into power supply harness；
3) the sealing ring opening broken into two with one's hands is resetted, power supply harness is all coated；
4) capping is covered, first and second through-hole coincide third through-hole in a substantially circular, makes the conducting wire in institute
It states and is securely compressed in sealing ring, gap location is reliably sealed.
Further, it is filled out in the positioning of the third through-hole, sealing ring and harness and junction gap and has covered insulation, close
Sealing.
National strength and prestige patent CN204741574U and CN104797015A:(1) there is no extended surface and the second through-hole (2) line on cover board
There is no sealing ring on beam, pricks positioning harness by line, it is unreliable easily to loosen.
Further, at four peripheral wall mouths of the cavity wall of second mounting bracket and bushing heating device junction
There are chamfering or groove.
Further, the chamfering or groove be to the inside inclination or recess for contacting the heating device tail end, it is described fall
It fills to have applied all to fill out the gap of four peripheral wall mouths of the rack side wall and the junction of the heating device in angle or groove and cover
Sealant.
Invention effect: it makes up in device formation curing process because of tail end heater caused by tooling and human negligence
Fit clearance between radiator prevents to thereby result in coming unglued between heater and radiator, degumming, it is ensured that heater
Adhesive strength guarantees heat dissipation effect and safety and reliability.Improve the safety and reliability of heating device.
Further, the sub-assembly has the first mounting bracket, the second mounting bracket, is connected with temperature controller and temperature
The power supply harness of fuse, first mounting bracket have pedestal and capping, and the pedestal and receiving position the heating device
There are chamfering or groove at four peripheral wall mouths of the cavity wall of exit junction.
Further, the chamfering or groove are recessed to the side for contacting the heating device, in the chamfering or groove
The sealant covered is all filled out in the gap that filling has applied the junction by four peripheral wall mouths of the rack side wall Yu the heating device.
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.It is creative to weigh 27-29: (1) there is sealant in the combination gap of the pedestal of bracket and heating device
Dual and reinforcement sealing, the chamfering or groove of (2) faying face can effectively store the preferable sealant of mobility, thoroughly prevent to seep
Water has improved waterproof performance.(3) sealant received is deposited at chamfering and increases bonded area, is improved bond strength, is prolonged
Service life has been grown, electric leakage caused by damp state and condensing drip and short circuit are prevented.
Further, the sub-assembly has the first, second mounting bracket and is connected with temperature controller and temperature fuse
Power supply harness, first mounting bracket has a pedestal and capping, and all engaging portion peripheries of the pedestal and the capping have
Chamfering or groove.
Further, the chamfering or groove tilt or are recessed to the cavity side of the pedestal, the chamfering or groove
Interior filling has applied the sealant that the gap of all junctions by the pedestal and the capping all coats.
Further, after the pedestal of first mounting bracket covers capping, then heatproof, Insulating heat shrink are put on,
70~120 degree at a temperature of, the heat-shrinkable T bush is shunk, and the bracket is fixed, is sealed into surface without any fit clearance
Closed entirety.
Further, PTC heater part is by multiple groups parallel combination.
A kind of electric appliance, the sub-assembly containing 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: (1) harness is closely compressed and is sealed by sealing ring, then
In addition the sealant of sealant junction, thoroughly prevents the hidden danger in damp state air and water droplet infiltration pedestal cavity, even if first
Bracket is immersed in the water, and still is able to guarantee that the electrification tie point in first support cavity is fully sealed.It is thoroughly solved from structure
The electric leakage that uses under damp state environment and Soaking environment, short-circuit hidden danger, substantially increase safety reliability.(2) third through-hole
Embedded type fit structure is formed, the precision and bond strength worked in coordination are increased.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that heating device of the present invention is connected to power supply harness；
Fig. 3 is the structural schematic diagram of the second mounting bracket of the invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment 1
A kind of sub-assembly of PTC heater part, including PTC heater part, the first mounting bracket, the second mounting bracket 16,
It is connected to the introducing power supply harness of temperature controller 17 and temperature fuse 18, first mounting bracket has pedestal 19 and capping
20, the breech face of the pedestal 19 has the first through hole 33 of substantially semicircle, and the capping 20 corresponds to 19 breech face of pedestal
There is the extension 34 perpendicular to capping 20 at 33 position of first through hole, has on the extension 34 corresponding to the pedestal breech face the
Second through-hole of one through-hole 33.
The power supply harness is penetrated in insulating sleeve 25 by the conducting wire to be formed, and is set and is inlaid on the insulating sleeve 25
Rubber seal 36, the rubber seal 36 and the power supply harness that cladding is set by it are positioned at the first through hole together
33, in the second through-hole, while the capping 20 covers pedestal 19, the first through hole 33 and the second through-hole coincide into and substantially justify
The third through-hole of shape is covered by compressing, and the rubber seal 36 being embedded in the third through-hole is tightly compacted,
Make to form the sealing cooperation without any gap between the rubber seal 36 and the insulating sleeve 25 and conducting wire that are coated by it.
It is open at 36 periphery of sealing ring at least one, it, can be according to the following steps before covering and compressing capping:
1) rubber seal is first embedded in the third through-hole of the pedestal；
2) it breaks the rubber seal opening into two with one's hands, is put into power supply harness；
3) the sealing ring opening broken into two with one's hands is resetted, power supply harness is all coated；
4) capping is covered, first and second through-hole coincide third through-hole in a substantially circular, makes the conducting wire in institute
It states and is securely compressed in sealing ring, gap location is reliably sealed.
It is filled out in the third through-hole, the positioning of sealing ring 36 and harness and junction gap and has covered insulation, sealant 14.
The sub-assembly has the first mounting bracket, the second mounting bracket 16, is connected with temperature controller 17 and temperature fusing
The power supply harness of device 18, first mounting bracket have pedestal 19 and capping 20, and the pedestal 19 and receiving position the fever
There are chamfering or groove at four peripheral wall mouths of the cavity wall of device exit junction.
The chamfering or groove are recessed to the side for contacting the heating device, fill and have been applied institute in the chamfering or groove
The sealant 14 covered is all filled out in the gap for stating four peripheral wall mouths of rack side wall and the junction of the heating device.
The sub-assembly has the first, second mounting bracket and is connected with the power supply of temperature controller 17 and temperature fuse 18
Harness, first mounting bracket have pedestal 19 and capping 20, all engaging portion peripheries of the pedestal 19 and the capping 20
There are chamfering or groove.
The chamfering or groove tilt or are recessed to the cavity side of the pedestal, fill that applied will in the chamfering or groove
The sealant that the gap of all junctions of the pedestal and the capping all coats.
The sub-assembly of the PTC heater part after the pedestal of first mounting bracket covers capping, then is put on resistance to
Temperature, Insulating heat shrink 25,70-120 degree at a temperature of, the heat-shrinkable T bush 25 is shunk, and the bracket is fixed, is sealed into
Closed entirety of the surface without any fit clearance.
PTC heater part is by multiple groups parallel combination.
Embodiment 2
A kind of electric appliance, the sub-assembly containing PTC heater part.
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 (12)
1. a kind of sub-assembly of PTC heater part, it is characterised in that: including PTC heater part, the first mounting bracket, the second peace
Dress bracket, the introducing power supply harness for being connected to temperature controller and temperature fuse, first mounting bracket have pedestal and envelope
Lid, the breech face of the pedestal have the first through hole of substantially semicircle, and the capping corresponds to the pedestal breech face first through hole
There is the extension perpendicular to capping at position, has on the extension logical corresponding to the second of the pedestal breech face first through hole
Hole.
2. the sub-assembly of PTC heater part according to claim 1, it is characterised in that: the power supply harness is led by described
Line penetrates composition in insulating sleeve, sets on the insulating sleeve and is inlaid with rubber seal, the rubber seal and by it
The power supply harness for setting cladding is positioned at the first through hole, in the second through-hole together, described while cover pedestal, institute
It states first through hole and the second through-hole coincide third through-hole in a substantially circular, covered by compressing, the third will be embedded in
The rubber seal in through-hole is tightly compacted, makes shape between the rubber seal and the insulating sleeve and conducting wire that are coated by it
At the sealing cooperation without any gap.
3. the sub-assembly of PTC heater part according to claim 1 or 2, it is characterised in that: the sealing ring periphery is at least
Have and is open at one, it, can be according to the following steps before covering and compressing capping:
1) rubber seal is first embedded in the third through-hole of the pedestal；
2) it breaks the rubber seal opening into two with one's hands, is put into power supply harness；
3) the sealing ring opening broken into two with one's hands is resetted, power supply harness is all coated；
4) capping is covered, first and second through-hole coincide third through-hole in a substantially circular, makes the conducting wire described close
It is securely compressed in seal, gap location is reliably sealed.
4. the sub-assembly of PTC heater part according to claim 3, it is characterised in that: in the third through-hole, sealing ring
Positioning and junction gap with harness, which are filled out, has covered insulation, sealant.
5. the sub-assembly of PTC heater part according to claim 1,2 or 4, it is characterised in that: the sub-assembly has first
Mounting bracket, the second mounting bracket, the power supply harness for being connected with temperature controller and temperature fuse, first mounting bracket
There are pedestal and capping, four peripheral wall mouths of the pedestal and the cavity wall for accommodating, positioning heating device exit junction
There are chamfering or groove in place.
6. the sub-assembly of PTC heater part according to claim 5, it is characterised in that: the chamfering or groove are to contact
The side of the heating device is recessed, and fills and has been applied four peripheral wall mouths of the rack side wall and the hair in the chamfering or groove
The sealant covered is all filled out in the gap of the junction of thermal device.
7. the according to claim 1, sub-assembly of PTC heater part described in 2,4 or 6, it is characterised in that: the sub-assembly has
One, the second mounting bracket and it is connected with the power supply harness of temperature controller and temperature fuse, first mounting bracket has seat
There are chamfering or groove in all engaging portion peripheries of body and capping, the pedestal and the capping.
8. the sub-assembly of PTC heater part according to claim 7, it is characterised in that: the chamfering or groove are to described
The cavity side of pedestal tilts or recess, fills all combinations applied the pedestal and the capping in the chamfering or groove
The sealant that the gap at place all coats.
9. the according to claim 1, sub-assembly of PTC heater part described in 2,4,6 or 8, it is characterised in that: first installation
After the pedestal of bracket covers capping, then put on heatproof, Insulating heat shrink, 70~120 degree at a temperature of, the thermal shrinkable sleeve
Pipe is shunk, and the bracket is fixed, the closed entirety without any fit clearance that is sealed into surface.
10. the according to claim 1, sub-assembly of PTC heater part described in 2,4,6 or 8, it is characterised in that: PTC heater part
By multiple groups parallel combination.
11. a kind of electric appliance, it is characterised in that: contain any PTC heater part described in the claims 1,2,4,6 or 8
Sub-assembly.
12. electric appliance according to claim 11, it is characterised in that the electric appliance be selected from air-conditioning, warm-air drier, hot air curtain device,
At least one of super bath, dehumidifier, air purifier, dryer, new-energy automobile steam air heater or demisting defroster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986747.7A CN109587835A (en) | 2018-08-21 | 2018-08-21 | A kind of sub-assembly of PTC heater part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986747.7A CN109587835A (en) | 2018-08-21 | 2018-08-21 | A kind of sub-assembly of PTC heater part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109587835A true CN109587835A (en) | 2019-04-05 |
Family
ID=65919721
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986747.7A Pending CN109587835A (en) | 2018-08-21 | 2018-08-21 | A kind of sub-assembly of PTC heater part |
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| CN (1) | CN109587835A (en) |
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| CN106225197A (en) * | 2016-08-30 | 2016-12-14 | 孝感华工高理电子有限公司 | A kind of air-conditioning ptc heater housing |
| CN108110500A (en) * | 2017-12-18 | 2018-06-01 | 苏州人为峰软件科技有限公司 | A kind of harness for washing machine |
| CN209676502U (en) * | 2018-08-21 | 2019-11-22 | 无锡国威陶瓷电器有限公司 | A kind of sub-assembly of ptc heater part |
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| CN203466548U (en) * | 2013-09-03 | 2014-03-05 | 烟台斗林电子零部件有限公司 | Wire connector waterproof sealing device |
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Application publication date: 20190405 |