CN110418445A - A kind of PTC fever single tube and PTC heating core and ptc heater - Google Patents
A kind of PTC fever single tube and PTC heating core and ptc heater Download PDFInfo
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- CN110418445A CN110418445A CN201910789755.7A CN201910789755A CN110418445A CN 110418445 A CN110418445 A CN 110418445A CN 201910789755 A CN201910789755 A CN 201910789755A CN 110418445 A CN110418445 A CN 110418445A
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- silica gel
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- 206010037660 Pyrexia Diseases 0.000 title claims abstract description 67
- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000000741 silica gel Substances 0.000 claims abstract description 74
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 74
- 230000006978 adaptation Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 238000010586 diagram Methods 0.000 description 19
- 239000000463 material Substances 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004078 waterproofing 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
-
- 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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
Landscapes
- Resistance Heating (AREA)
- Thermistors And Varistors (AREA)
Abstract
The present invention provides a kind of PTC fever single tube and PTC heating core and ptc heater, which solve what existing PTC fever single tube occurred in manufacture use process to scrap and reduce the technical problems such as heat dissipation performance, leakproofness, PTC generates heat single tube equipped with shell and PTC heat generating core, PTC heat generating core is equipped with PTC thermistor piece, electrode slice, insulate false piece, and shell is silica gel shell；Silica gel shell package is connected to PTC fever core outer surface, and silica gel shell is structure as a whole；PTC thermistor piece is alternatively arranged by multiple PTC fever tablets, and the false piece that insulate is located in the interval；Electrode slice sets long electrode piece and multiple spaced noncontinuous electrode pieces, and each PTC fever tablet is connected with long electrode piece, and each PTC fever tablet connects one to one with each noncontinuous electrode piece；Each electrode slice inserted sheet one end is connected with each electrode slice, and each electrode slice inserted sheet other end passes through silica gel shell and stretches out, and the invention also discloses PTC heating core and ptc heaters, can be widely applied to technical field of heating.
Description
Technical field
The present invention relates to technical field of heating, in particular to a kind of PTC fever single tube and PTC heating core and PTC heat
Device.
Background technique
It is known that automobile has been in the case where having lacked engine exhaust heat, the heating of winter car, defrosting-defogging safety requirements
And the power battery low temperature lower service life electronics heating product that requires such as shorter provides corresponding heat, heats as air conditioning for automobiles
The important component of system, ptc heater are a good selections.Especially new-energy automobile is applicable in the most.
The mostly important component of ptc heater is PTC fever single tube, and preparation flow is typically at around: first by top electrode
Piece, lower electrode slice pass through coating silica gel respectively and are fitted on the positive and negative electrode of PTC thermistor, then are wrapped and powered on insulating film
Pole piece and lower electrode slice complete the assembling of PTC heat generating core, and then PTC heat generating core is inserted into aluminum pipe and is suppressed, makes to insulate
Film, electrode slice and PTC thermistor closely compress, and realize reliable electrical and thermal conductivity performance, then painting is all sealed in two ports of aluminum pipe
Sealant guarantees air-tightness and waterproof performance.Easily occur three aspect problems during manufacture and use:
(1) during carrying out pressing operation to the aluminum pipe equipped with PTC heat generating core, if on the one hand stamping die is slightly small
Uneven shape degree easily leads to electrode slice and damages and be broken on indentation line, PTC heat generating core and aluminum pipe is caused to be scrapped；If on the other hand
Punching press is not in place, will lead between PTC heat generating core and aluminum pipe inner wall and gap occurs, the gap is as air barrier, it will reduces
The heating conduction of PTC heat generating core outwardly.
(2) the insulating film poor thermal conductivity in PTC fever single tube causes its whole heating efficiency to be greatly affected.
(3) automobile component use condition is harsh, and component will stand high-frequency vibration.In vehicle traveling process, PTC fever
The vibration of single tube high-frequency, the sealant for easily applying two port envelopes of its aluminum pipe loosen, cause sealing effect to be deteriorated, especially exist
It is used under wet environment, air-tightness and waterproof performance degradation shorten the working life.
Summary of the invention
The purpose of the present invention is to solve the deficiency of above-mentioned technology, provide that a kind of structure is simple, function reliable PTC hair
Hot single tube and PTC heating core and ptc heater.
For this purpose, the present invention provides a kind of PTC fever single tube, it is equipped with shell and is arranged in the intracorporal PTC heat generating core of shell,
PTC heat generating core is equipped with PTC thermistor piece, electrode slice, and electrode slice is connected with electrode slice inserted sheet, and shell is silica gel shell, PTC
Heat generating core is additionally provided with the false piece of insulation；Silica gel shell wraps up the outer surface for being connected to PTC heat generating core, and silica gel shell is structure as a whole；
PTC thermistor piece is alternatively arranged by multiple PTC fever tablets, and the false piece that insulate is arranged between two neighboring PTC fever tablet
Interval in；Electrode slice is equipped with mutually isolated long electrode piece and multiple spaced noncontinuous electrode pieces, each PTC fever tablet
One side is connected with long electrode piece, and the another side of each PTC fever tablet connects one to one with each noncontinuous electrode piece；Electrode
Piece inserted sheet quantity is set as multiple, and one end of each electrode slice inserted sheet is connected with each electrode slice, each electrode slice inserted sheet
The other end passes through silica gel shell and stretches out.
Preferably, long electrode piece is equipped with the first groove of adaptation PTC thermistor piece, the upper surface of each PTC fever tablet
It is connected in the first groove of long electrode piece；Each noncontinuous electrode piece is equipped with the second groove for being adapted to its corresponding PTC fever tablet,
The lower surface of each PTC fever tablet is connected in the second groove of its corresponding noncontinuous electrode piece.
Preferably, electrode slice inserted sheet is equipped with electrode slice interconnecting piece and external circuit interconnecting piece, electrode slice interconnecting piece and outside
Circuit connecting section, which is connected, to be of an L-shaped structure；Electrode slice interconnecting piece is connected with electrode slice, and external circuit interconnecting piece passes through outside silica gel
Shell simultaneously stretches out.
Preferably, the two sides of the silica gel shell outside electrode slice and electrode slice inserted sheet junction be respectively equipped with groove and
Fixture block, groove and fixture block adaptation；When two neighboring PTC fever single tube is arranged parallel, the fixture block of one of PTC fever single tube
Corresponding adaptation is plugged in the groove of adjacent PTC fever single tube.
Preferably, insulating, PTC fever tablet adjacent thereto is connected false piece respectively.
Preferably, silica gel shell is to be integrally formed structure.
Preferably, multiple first glue-feeders are equipped at intervals with along the edge of long electrode piece, the edge interval along noncontinuous electrode piece is set
There are multiple second glue-feeders.
A kind of PTC heating core is equipped with outside the silica gel of above-mentioned a kind of PTC fever single tube and the single tube that generates heat with PTC
The cooling fin that the lateral surface of shell is connected.
A kind of ptc heater is equipped with a kind of above-mentioned PTC fever single tube.
The beneficial effects of the present invention are: the present invention provides a kind of PTC fever single tube and PTC heating core and ptc heater,
On the one hand, structure is simple, and silica gel shell is replaced to the aluminum pipe of the prior art, does not need in the prior art to equipped with PTC heat generating core
Aluminum pipe carry out pressing operation；The surface of PTC heat generating core is wrapped up by silica gel shell completely, and silica gel absorption performance is high, being capable of jail
Jail is adsorbed on the surface of PTC heat generating core, solves PTC heat generating core and aluminum pipe caused by existing ptc heater is suppressed because of aluminum pipe
The technical issues of scrapping or reducing heat dissipation performance.On the other hand, the outer surface of long electrode piece and noncontinuous electrode piece tightly with silica gel
Shell fitting, the not insulating film barrier of the prior art, and silica gel shell is made of silica gel, obtains whole heating efficiency very big
It improves.Third, silica gel shell are structure as a whole, and only the other end of electrode slice inserted sheet passes through silica gel shell and stretches out, not existing
The sealant of technology seals, and significantly improves the air-tightness of PTC single tube and waterproofing grade, through examining, and PTC heat generating core of the present invention
The waterproof performance of body can accomplish the IP67 even protection level requirements of IP68 or more；Silica gel belongs to rubber material, has high resiliency,
In the environment of high-frequency vibration can damping vibration, so that the PTC heat generating core that is wrapped in silica gel shell of protection is not damaged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the main view of PTC fever single tube of the present invention；
Fig. 2 is the structural schematic diagram of left view shown in FIG. 1；
Fig. 3 is the structural schematic diagram (only cuing open silica gel shell) of the enlarged drawing of partial sectional view shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the enlarged drawing of A-A cross-sectional view shown in FIG. 1；
Fig. 5 is the structural schematic diagram of Fig. 4 removal silica gel shell；
Fig. 6 is the structural schematic diagram of perspective view shown in FIG. 1；
Fig. 7 is the structural schematic diagram of PTC heat generating core shown in FIG. 1；
Fig. 8 is the structural schematic diagram of left view shown in 7；
Fig. 9 is the structural schematic diagram of explosive view shown in Fig. 7；
Figure 10 is the structural schematic diagram of long electrode shown in Fig. 9；
Figure 11 is the structural schematic diagram of left view shown in Fig. 10；
Figure 12 is the structural schematic diagram of noncontinuous electrode shown in Fig. 9；
Figure 13 is the structural schematic diagram of left view shown in Figure 12；
Figure 14 is the structural schematic diagram of electrode slice inserted sheet shown in Fig. 9；
Figure 15 is the structural schematic diagram of left view shown in Figure 14；
Figure 16 is the structural schematic diagram of PTC heating core；
Figure 17 is the structural schematic diagram that grafting is arranged side by side of a plurality of PTC heating core shown in Figure 16；
Figure 18 is the structural schematic diagram of circuit diagram of the present invention.
Marked in the figure: 1.PTC thermosensitive resistor film, 2. electrode slice inserted sheets, 3. silica gel shells, the false piece of 4. insulation, 5.PTC fever
Piece, 6. long electrode pieces, 7. noncontinuous electrode pieces, 8. first grooves, 9. second grooves, 10. electrode slice interconnecting pieces, 11. external circuits connect
Socket part, 12. grooves, 13. fixture blocks, 14. first glue-feeders, 15. second glue-feeders, 16. cooling fins, 17.PTC heat generating core, S. are opened
It closes.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, to help the contents of the present invention are understood.
Method used in the present invention is conventional method unless otherwise required；Used raw material and device, such as without special rule
It is fixed, it is conventional commercial product.
Embodiment 1:
As shown in FIG. 1 to FIG. 9, the present invention provides a kind of PTC fever single tube, is equipped with shell and setting is intracorporal in shell
PTC heat generating core 17, PTC heat generating core 17 are equipped with PTC thermistor piece 1, electrode slice, and electrode slice is connected with electrode slice inserted sheet 2；
PTC thermistor piece 1 is the heater element for generating heat.Shell is silica gel shell 3, and PTC heat generating core 17 is additionally provided with the false piece of insulation
4；Silica gel shell 3 wraps up the outer surface for being connected to PTC heat generating core 17, and silica gel shell 3 is structure as a whole.PTC thermistor piece 1 by
Multiple PTC fever tablets 5 are alternatively arranged, and the false piece 4 that insulate is arranged in the interval between two neighboring PTC fever tablet 5；Insulation
False piece 4 mainly has two aspect effects, on the one hand makes completely insulated between two neighboring PTC fever tablet 5, both prevents from puncturing or even
It is logical.On the other hand it prevents long electrode piece 6 from bending in production, installation process in above-mentioned interval, increases long electrode piece 6
Stiffening property.Electrode slice is equipped with mutually isolated long electrode piece 6 and multiple spaced noncontinuous electrode pieces 7, the number of usual noncontinuous electrode piece 7
Amount is set as two, can also more than two according to actual needs；The one side of each PTC fever tablet 5 is connected with long electrode piece 6
It connects, the another side of each PTC fever tablet 5 connects one to one with each noncontinuous electrode piece 7.The overall structure of PTC heat generating core 17
The zonal control to circuit in PTC heat generating core 17 is realized, on the one hand when a noncontinuous electrode piece 7 because the short electricity occurs in the problems such as fragmentation
When 7 place circuit malfunction of pole piece, the use of other 7 place parallel circuits of noncontinuous electrode piece PTC heat generating core 17 Nei is not influenced；Another party
Face, when need to improve calorific value or reduce calorific value when, can by connection noncontinuous electrode piece 7 parallel circuit switch S into
Row on-off control, to control 5 heating power of PTC fever tablet being connected in PTC heat generating core 17 with corresponding noncontinuous electrode piece 7 or disconnected
Electricity does not generate heat, and realizes the flexible modulation of the external calorific value of PTC heat generating core 17 risen or fallen.The setting of 2 quantity of electrode slice inserted sheet
To be multiple, one end of each electrode slice inserted sheet 2 is connected with each electrode slice, and the other end of each electrode slice inserted sheet 2 passes through silicon
Glue shell 3 simultaneously stretches out.External circuit is connected by electrode slice inserted sheet 2, wherein long electrode piece 6 is connected to anode, two noncontinuous electrode pieces 7
It is respectively communicated with cathode, to realize the zonal control to circuit in PTC heat generating core 17；6 He of long electrode piece in PTC heat generating core 17
When noncontinuous electrode piece 7 is powered, PTC thermistor piece 1 generates heat and transfers heat to silica gel shell 3, then outside by silica gel shell 3
Transmit heat.
The present invention provides a kind of PTC fever single tube, on the one hand, structure is simple, and silica gel shell 3 is replaced to the aluminium of the prior art
Pipe does not need to carry out pressing operation to the aluminum pipe equipped with PTC heat generating core in the prior art；The surface of PTC heat generating core 17 of the present invention
It is wrapped up completely by silica gel shell 3, and the enough surfaces for being firmly adsorbed on PTC heat generating core 17 of silica gel absorption performance, solves existing PTC
The technical issues of PTC heat generating core and aluminum pipe are scrapped or reduce heat dissipation performance caused by heater is suppressed because of aluminum pipe；And silica gel
Shell 3 is used as rubber material, compared with prior art aluminum pipe metal material, has good insulating properties.On the other hand, long electrode
The outer surface of piece 6 and noncontinuous electrode piece 7 is tightly bonded with silica gel shell 3, the not insulating film barrier of the prior art, and silica gel shell
3 are made of silica gel, and whole heating efficiency is made to be greatly improved.Third, silica gel shell 3 are structure as a whole, only electrode slice inserted sheet 2
The other end pass through and silica gel shell 3 and stretch out, the sealant sealing of the prior art, does not make the air-tightness and waterproof of PTC single tube
Grade significantly improves, through examining, the waterproof performance of PTC of the present invention fever single tube can accomplish IP67 even IP68 and its more than it is anti-
Protect class requirement；Silica gel belongs to rubber material, has high resiliency, high-frequency vibration in the environment of can damping vibration, thus
Protect the PTC heat generating core 17 being wrapped in silica gel shell 3 not damaged.
As the preferred of the present embodiment, as shown in Fig. 3-5, Figure 10, Figure 12, long electrode piece 6 is equipped with adaptation PTC thermistor
First groove 8 of piece 1, the upper surface of each PTC fever tablet 5 are connected in the first groove 8 of long electrode piece 6；Each noncontinuous electrode
Piece 7 is equipped with the second groove 9 for being adapted to its corresponding PTC fever tablet 5, and it is opposite that the lower surface of each PTC fever tablet 5 is connected to it
In second groove 9 of the noncontinuous electrode piece 7 answered.First groove 8 and the second groove 9 play positioning action, are convenient for PTC thermistor piece
1 installs and fixes, and prevents the generation in installation and use process of PTC thermistor piece 1 from sliding and failing.Come from another angle
It sees, the first groove 8 and the second groove 9 also function to PTC thermistor piece 1 work for positioning long electrode piece 6 and noncontinuous electrode piece 7
With.Usual electrode slice material is aluminium, low cost, thermally conductive, electric conductivity is good.
As the preferred of the present embodiment, as shown in Fig. 3, Fig. 7-9, Figure 14, Figure 15, electrode slice inserted sheet 2 connects equipped with electrode slice
Socket part 10 and external circuit interconnecting piece 11, electrode slice interconnecting piece 10 is connected with external circuit interconnecting piece 11 to be of an L-shaped structure；Electrode
Piece interconnecting piece 10 is connected with electrode slice, and the one end of external circuit interconnecting piece 11 is connected with electrode slice interconnecting piece 10, external
The other end of circuit connecting section 11 passes through silica gel shell 3 and stretches out, for connecting with external circuit.The L-type of electrode slice inserted sheet 2
Structure designs the contact area that can increase electrode slice inserted sheet 2 and electrode slice, to increase the electric current passed through, prevents due to resistance mistake
Overheat caused by big is blown.Usual 2 material of electrode slice inserted sheet is copper, and electric conductivity is good,
Silica gel shell 3 as the preferred of the present embodiment, by Fig. 1-4, outside electrode slice and 2 junction of electrode slice inserted sheet
Two sides be respectively equipped with groove 12 and fixture block 13, groove 12 and 13 shape, structure of fixture block adaptation；When two neighboring PTC generates heat
When single tube is arranged parallel, the corresponding adaptation of fixture block 13 of one of PTC fever single tube is plugged on adjacent PTC fever single tube
In groove 12.As shown in Figure 16, the groove 12 of the silica gel shell 3 of two neighboring PTC fever single tube is adapted to connection with fixture block 13 and sets
Meter improves working efficiency convenient for multiple PTC fever single tube installation.
As the preferred of the present embodiment, as shown in Figure 3, PTC fever tablet 5 adjacent thereto is connected the false piece 4 that insulate respectively,
Keep each PTC fever tablet 5 of PTC thermistor piece 1 stronger in installation and use process, prevents its displacement, send out PTC
Each circuit of zonal control is more stable in energization use process in hot core 17.
As the preferred of the present embodiment, silica gel shell 3 is to be integrally formed structure, i.e. PTC generates heat single tube using existing
Insert molding process, PTC heat generating core 17 of the present invention is used as different material inserts.In the fabrication process, outer with silica gel shell 3
Silica gel is injected after being packed into pre-prepd PTC heat generating core 17 in the mold that surface shape matches, the silica gel and PTC of melting generate heat
17 engagement cure of core.Integrally formed silica gel shell 3 completely encases PTC heat generating core 17, i.e., the inner wall of silica gel shell 3 with
The outer surface of PTC heat generating core 17 closely connects, not hot non-conductor air barrier, only exposes the electrode slice of silica gel shell 3
The other end of the external circuit interconnecting piece 11 of inserted sheet 2 with external circuitry for being connected to；It only need to be extraneous electric to having connected in the later period
The external circuit interconnecting piece 11 of the electrode slice inserted sheet 2 of the exposing silica gel shell 3 on road carries out sealing.The injection molding of silica gel shell 3
Integrated formed structure, in combination with the good thermally conductive, insulation performance of silica gel, plasticity, make PTC fever single tube heating efficiency,
Insulation performance, production technology further increase；Whole single tube is similar to completely enclosed state, and waterproofness is further strengthened, can be reached
To IP68 and its more than class requirement；In addition, pressure pipe technique compared with prior art, easy to operate, generate heat single tube there is no PTC
Scrap or reduce the risk of heat dissipation performance；Silica gel stable chemical performance, production and processing is convenient, practical.As the implementation
Example it is further preferably, as shown in Fig. 5, Figure 10, Figure 12, be equipped at intervals with multiple first glue-feeders along the edge of long electrode piece 6
14, multiple second glue-feeders 15 are equipped at intervals with along the edge of noncontinuous electrode piece 7.PTC heat generating core 17 is put into as different material inserts
When mold is molded, the silica gel of a part melting flows into the first glue-feeder 14 and the second glue-feeder 15, after solidification, is located at first
Silica gel in glue-feeder 14 and the second glue-feeder 15 plays the silica gel in the outside and inside that are located at long electrode piece 6 and noncontinuous electrode piece 7
To connection function, on the one hand reinforce the connection between long electrode piece 6, noncontinuous electrode piece 7 and PTC thermistor piece 1, when ensureing use
The circulation of 17 circuit of PTC heat generating core；On the other hand reinforce long electrode piece 6 and 7 outer surface of noncontinuous electrode piece and coupled
The tightness degree of silica gel shell 3, anti-delamination are allowed to keep tight connection.It should be noted that the note of silica gel shell 3
Modeling integrated formed structure is not only applicable to PTC heat generating core 17 of the present invention, applies also for the PTC heat generating core of the prior art.
Embodiment 2:
As shown in Figure 16, Figure 17, the present invention provides a kind of PTC heating core, is equipped with a kind of as described in Example 1
PTC fever single tube and the cooling fin 16 being connected with the lateral surface of the silica gel shell 3 of PTC fever single tube.Radiating aluminium sheet is used
In further increasing heat dissipation effect.In use, PTC heat generating core 17 generates heat and transfers heat to silica gel when being powered to electrode slice
Then shell 3 transmits heat by radiating aluminium sheet by silica gel shell 3 outward.
Embodiment 3:
The present invention provides a kind of ptc heater, is equipped with a kind of PTC fever single tube of above-described embodiment 1 or embodiment 2.
Ptc heater is mainly made of heating core as described in example 2 and electrical connection support base two parts, wherein heating core
It is connected equipped with a kind of PTC fever single tube as described in Example 1 and with the lateral surface of the silica gel shell 3 of PTC fever single tube
The cooling fin 16 connect.Heating core with electrical connection support base fix, usually by insert it is embedding in a manner of be electrically connected support base fix；
Electrical connection support base is existing apparatus.The electrode slice of ptc heater by route after electrical connecting support seat with outside
Power-supply controller of electric electrical control connection.Under the control of power-supply controller of electric, for example, to electrode slice be powered when, PTC heat generating core 17
It generates heat and transfers heat to silica gel shell 3, the heat of silica gel shell 3 is distributed outward by radiating aluminium sheet.(figure omits)
It should be noted that in the above-described embodiment, " first ", " second " not representative structure and/or
Absolute differentiation relationship functionally, does not represent the successive sequence that executes yet, and merely for convenience of description.
In the description of the present invention, it is to be understood that, term "left", "right", "upper", "lower", "top", "bottom", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "inner", "outside", " back ", " centre " is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Only as described above, only specific embodiments of the present invention, when the model that cannot be limited the present invention with this and implement
It encloses, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the invention patent protection scope, should still belong to this hair
The scope that bright claims are covered.
Claims (9)
- The single tube 1. a kind of PTC generates heat is equipped with shell and is arranged in the intracorporal PTC heat generating core of the shell, the PTC heat generating core Equipped with PTC thermistor piece, electrode slice, the electrode slice is connected with electrode slice inserted sheet, which is characterized in that the shell is silicon Glue shell, the PTC heat generating core are additionally provided with the false piece of insulation；The silica gel shell package is connected to the appearance of the PTC heat generating core Face, the silica gel shell are structure as a whole；The PTC thermistor piece is alternatively arranged by multiple PTC fever tablets, described exhausted Edge vacation piece is arranged in the interval between the two neighboring PTC fever tablet；The electrode slice is equipped with mutually isolated length Electrode slice and multiple spaced noncontinuous electrode pieces, the one side of each PTC fever tablet are connected with the long electrode piece, The another side of each PTC fever tablet connects one to one with each noncontinuous electrode piece；The electrode slice inserted sheet quantity It is set as multiple, one end of each electrode slice inserted sheet is connected with each electrode slice, each electrode slice inserted sheet The other end pass through and the silica gel shell and stretch out.
- The single tube 2. a kind of PTC according to claim 1 generates heat, which is characterized in that the long electrode piece is equipped with described in adaptation The upper surface of first groove of PTC thermistor piece, each PTC fever tablet is connected to described the first of the long electrode piece In groove；Each noncontinuous electrode piece is equipped with the second groove for being adapted to its corresponding PTC fever tablet, each PTC The lower surface of fever tablet is connected in second groove of its corresponding noncontinuous electrode piece.
- The single tube 3. a kind of PTC according to claim 1 generates heat, which is characterized in that the electrode slice inserted sheet is equipped with electrode slice Interconnecting piece and external circuit interconnecting piece, the electrode slice interconnecting piece is connected with the external circuit interconnecting piece to be of an L-shaped structure；Institute It states electrode slice interconnecting piece to be connected with the electrode slice, the external circuit interconnecting piece passes through the silica gel shell and stretches out.
- The single tube 4. a kind of PTC according to claim 1 generates heat, which is characterized in that be located at the electrode slice and the electrode The two sides of the silica gel shell outside piece inserted sheet junction are respectively equipped with groove and fixture block, and the groove and the fixture block are suitable Match；When the two neighboring PTC fever single tube is arranged parallel, the fixture block of one of them PTC fever single tube is corresponding Adaptation is plugged in the groove of the adjacent PTC fever single tube.
- The single tube 5. a kind of PTC according to claim 1 generates heat, which is characterized in that the false piece difference of the insulation is adjacent thereto The PTC fever tablet be connected.
- The single tube 6. a kind of PTC according to claim 1-5 generates heat, which is characterized in that the silica gel shell is note Mould integrated formed structure.
- The single tube 7. a kind of PTC according to claim 6 generates heat, which is characterized in that along the edge interval of the long electrode piece Equipped with multiple first glue-feeders, multiple second glue-feeders are equipped at intervals with along the edge of the noncontinuous electrode piece.
- 8. a kind of PTC heating core, which is characterized in that it is single that it is equipped with a kind of described in any item PTC fevers of claim 1-7 Pipe and the cooling fin being connected with the lateral surface of the silica gel shell of PTC fever single tube.
- 9. a kind of ptc heater, which is characterized in that it is equipped with a kind of described in any item PTC fever single tubes of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910789755.7A CN110418445B (en) | 2019-08-26 | 2019-08-26 | PTC heating single tube, PTC heating core and PTC heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910789755.7A CN110418445B (en) | 2019-08-26 | 2019-08-26 | PTC heating single tube, PTC heating core and PTC heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110418445A true CN110418445A (en) | 2019-11-05 |
| CN110418445B CN110418445B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910789755.7A Active CN110418445B (en) | 2019-08-26 | 2019-08-26 | PTC heating single tube, PTC heating core and PTC heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411924A (en) * | 2020-03-17 | 2021-09-17 | 赫姆斯多夫埃贝赫卡滕有限两合公司 | Electric heating device and method for manufacturing the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203416434U (en) * | 2013-09-05 | 2014-01-29 | 孝感华工高理电子有限公司 | Insulated high-power automobile air-conditioning PTC heater |
| CN210381352U (en) * | 2019-08-26 | 2020-04-21 | 威海市科博乐汽车电子有限公司 | PTC heating single tube, PTC heating core and PTC heater |
-
2019
- 2019-08-26 CN CN201910789755.7A patent/CN110418445B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203416434U (en) * | 2013-09-05 | 2014-01-29 | 孝感华工高理电子有限公司 | Insulated high-power automobile air-conditioning PTC heater |
| CN210381352U (en) * | 2019-08-26 | 2020-04-21 | 威海市科博乐汽车电子有限公司 | PTC heating single tube, PTC heating core and PTC heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411924A (en) * | 2020-03-17 | 2021-09-17 | 赫姆斯多夫埃贝赫卡滕有限两合公司 | Electric heating device and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110418445B (en) | 2024-04-09 |
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Effective date of registration: 20240424 Address after: 323000, No. 66-1 Zheda Road, Jianchi Street, Longquan City, Lishui City, Zhejiang Province Patentee after: Zhejiang kebole New Energy Technology Co.,Ltd. Country or region after: China Address before: 264403 Binhai Road North, Longhai Road East, Nanhai New District, Weihai City, Shandong Province Patentee before: WEIHAI KEBOLE AUTOMOTIVE ELECTRONICS CO.,LTD. Country or region before: China |