CN107864524A - A kind of PTC heaters - Google Patents
A kind of PTC heaters Download PDFInfo
- Publication number
- CN107864524A CN107864524A CN201711326220.3A CN201711326220A CN107864524A CN 107864524 A CN107864524 A CN 107864524A CN 201711326220 A CN201711326220 A CN 201711326220A CN 107864524 A CN107864524 A CN 107864524A
- Authority
- CN
- China
- Prior art keywords
- ptc
- electrode
- insulating barrier
- aluminum pipe
- fever tablets
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- 230000004888 barrier function Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010893 paper waste Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 238000005476 soldering Methods 0.000 claims description 8
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- 210000004209 hair Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- 239000002585 base Substances 0.000 description 3
- 238000009428 plumbing Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002918 waste heat Substances 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
- H05B3/78—Heating arrangements specially adapted for immersion heating
- H05B3/82—Fixedly-mounted immersion 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/02—Heaters using heating elements having a positive temperature coefficient
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/021—Heaters specially adapted for heating liquids
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/022—Heaters specially adapted for heating gaseous material
- H05B2203/023—Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system
Landscapes
- Resistance Heating (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention discloses a kind of PTC heaters, including：PTC heat generating components, the PTC heat generating components include：PTC fever tablets, waste paper, electrode, insulating barrier and aluminum pipe；The upper and lower surface of PTC fever tablets is close to set two electrodes, and electrode is used to heat PTC fever tablets so that PTC fever tablets are generated heat；PTC fever tablets are including multiple, and waste paper is between multiple PTC fever tablets, for isolating multiple PTC fever tablets；Insulating barrier is located at electrode and on the inside of aluminum pipe, insulating barrier parcel electrode, for causing electrode to be insulated with extraneous medium, the thermal conductivity of insulating barrier is good；Aluminum pipe wraps up insulating barrier, for the electrode after packaging insulating.PTC heaters provided by the invention are safe and reliable, simple in construction, and the efficiency of heating surface is high, and insulation effect is good, can be directly placed into electric automobile water tank or be used as wind heater device.
Description
Technical field
The present invention relates to semistor (Positive Temperature Coefficient, PTC) to add
Thermal technology field, more particularly, to a kind of PTC heaters.
Background technology
New energy and the emerging technology that energy-conserving and emission-cutting technology is that current transportation industry is greatly developed.Reached using new energy technology
To the purpose of energy-saving and emission-reduction, it has also become the development trend of world today's vehicle technology.Electric automobile at home and abroad in the market at present
Obtained more ripe application, hybrid vehicle, pure electric automobile and hybrid power light rail train Europe, Japan, in
The countries and regions such as state have been developed rapidly as new industry.
The heating of conventional fuel oil automobile is mainly to utilize the waste heat of engine or set independent fuel oil thermal source, and new energy
Source automobile relies primarily on battery to provide power.Because battery-heating is limited, and temperature compared with low environment in order to ensure its energy
Normal work even needs extraneous offer thermal source.Based on considerations above, at present electric automobile use more using PTC as pyrotoxin plus
Thermal heats to battery and vehicle body.
PTC-ceramic heater has the characteristics that：It is radiationless pollution-free, without infringement of the electromagnetic radiation to the person；Heating
Energy autocontrol temperature, service life length when rapidly, meeting fan trouble；Voltage use range is wide, can be between 12V-600V according to need
Design；Design is convenient, can be from small-power to high-power arbitrarily devised, and profile can also design on request；Do not burn, senseless anger,
Securely and reliably.Exactly because PTC has above feature, it is using fairly widespread.In addition to applied to electric automobile, market at present
On many heaters core heat generating component, such as domestic air conditioning, warm-air drier and super bath etc. are all done using it.
The PTC heat generating components for household electrical appliances are operated under 220V AC voltage more on the market, and electric automobile operating voltage
For voltage typically between 300V-600V, thus be accordingly used in the PTC heaters of electric automobile needs more preferable stability and safety
Property.
The relatively common household electrical appliances of use environment of electric automobile are increasingly complex, and the stability requirement to apparatus structure is higher.
Chinese utility model patent specification CN203537577 U disclose a kind of PTC heaters for electric automobile, its each group
Bonded between part using silica gel, the defects of serious be present in this sampling device, i.e., over time silica gel will necessarily aging, and in long-term use
In, because inevitably vibrations, the stability of whole device structure are difficult to ensure that.
Because electric automobile is operated using pure electronic mode, thus in order to ensure not lose excessive electric energy, PTC adds
Thermal needs have very high operating efficiency.Again because heater operating voltage is high, heating component has certain make again
With the life-span, this requires the replacing of heating component to facilitate as much as possible.Disclosed in Chinese patent specification CN104869674 A
A kind of PTC hot-water heatings heating tube, its it is internal using conventional ceramic as insulating materials, it is evident that this design is unhelpful
It is relatively low in heat transfer, the efficiency of heating surface.
The ptc heater of field of household appliances application at present is not reached using polyimides as insulating materials, this material more
The insulating properties requirement of electric automobile heater.
The content of the invention
The defects of for prior art, it is an object of the invention to solve existing PTC heaters each group used for electric vehicle
Being bonded between part using silica gel, easy to aging and whole device structure stability is poor, and the efficiency of heating surface is relatively low, and insulating properties difference
Technical problem.
To achieve the above object, the present invention provides a kind of PTC heaters, including：PTC heat generating components, the PTC heatings
Component includes：PTC fever tablets, waste paper, electrode, insulating barrier and aluminum pipe；
The upper and lower surface of the PTC fever tablets is close to set two electrodes, and the electrode is used to enter the PTC fever tablets
Row heating so that the PTC fever tablets heating；For the PTC fever tablets including multiple, the waste paper is located at multiple PTC fever tablets
Between, for isolating the multiple PTC fever tablets；The insulating barrier is located at electrode and on the inside of aluminum pipe, the insulating barrier wraps up institute
Electrode is stated, for causing the electrode to be insulated with extraneous medium, the thermal conductivity of the insulating barrier is good；Described in the aluminum pipe parcel
Insulating barrier, for the electrode after packaging insulating.
Alternatively, the PTC heaters also include：Radiating subassembly, flange and silicon submount；
The radiating subassembly is nested in outside the PTC heat generating components, for extending heater area of dissipation, improves PTC
The heat exchanger effectiveness of heat generating component and extraneous medium, the extraneous medium can be water or air；
The flange is used to fix with aluminum pipe by soldering tech so that PTC heaters are reliable and stable；
The silicon submount is used to above be equipped with electrode slot, for fixing the electrode.
Alternatively, aluminum pipe one end closing, one end open, blind end can be put into water, had good insulating properties, are dissipated
Hot and corrosion resistance, good insulating properties make the PTC heaters to be inserted directly into water, have the high efficiency of heating surface.
Alternatively, the waste paper is electrodeless ptc material, main to play a part of to isolate PTC fever tablets.
Alternatively, the material of the insulating barrier is mica, and it has good insulating properties and thermal conductivity and high temperature resistant, had
Certain ductility and machinability, temperature drastically change or acid or alkali environment in, there is good physical and chemical performance.
Alternatively, it is fixed, has by mechanical pressure and soldering tech between radiating subassembly and the PTC heat generating component
Very strong stability.
Alternatively, the electrode material is aluminium flake, stainless steel substrates or copper sheet, and installation is changed convenient.
Alternatively, the PTC heaters also include：Discharge opening, the discharge opening is located on radiating subassembly, for ensure that
Circulation of the current along PTC heat generating components direction.
Alternatively, the PTC heat generating components are two groups, to improve the efficiency of heating surface, suitable for bulky water tank.
Alternatively, the aluminum pipe is U-shape structure, and U-shape structure bottom is mainly used in fixing, acute for a long time suitable for hydro-thermal container
Strong oscillation environment, and U-shape structure bottom serves the effect of fin again.
In general, by the contemplated above technical scheme of the present invention compared with prior art, have below beneficial to effect
Fruit：
PTC heaters provided by the invention are safe and reliable, simple in construction, and the efficiency of heating surface is high, and insulation effect is good, can be straight
Connect and be put into electric automobile water tank or used as wind heater device.
PTC heaters provided by the invention are simple in construction, and PTC heat generating components and radiating subassembly can carry out random group
Close, thus assembling that only need to be appropriate to device progress can be to use as wind heater device or plumbing fixture.
Brief description of the drawings
Fig. 1 is PTC schematic diagram of heating device provided by the invention；
Fig. 2 is the structural representation of case study on implementation 1 provided by the invention；
Fig. 3 is the structural representation of case study on implementation 2 provided by the invention；
Fig. 4 is the structural representation of case study on implementation 3 provided by the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
The purpose of the present invention is to design the PTC heaters that a kind of stable performance, the efficiency of heating surface are high, simple in construction.Fig. 1
For PTC schematic diagram of heating device provided by the invention, as shown in figure 1, including PTC heat generating components, radiating subassembly 7 and flange
1.PTC heat generating components include PTC fever tablets 2, waste paper 3, electrode 4, insulating barrier 5 and silicon submount 8, aluminum pipe 6 etc..
PTC heat generating components include PTC fever tablets 2, waste paper 3, two electrodes 4 and aluminum pipe for being close to fever tablet upper and lower surface
6 etc..Wherein electrode 4 is equipped with the good insulating barrier 5 of heat conductivility with the inner side of aluminum pipe 6, and the bottom of aluminum pipe 6 is equipped with silicon submount 8, for solid
Fixed electrode.
Radiating subassembly 7 is nested in outside PTC heat generating components, for extending heater area of dissipation, improves PTC heat generating components
With the heat exchanger effectiveness of extraneous medium, extraneous medium can be water or air.That is, the PTC heaters can conduct
Wind heater device or plumbing fixture use.
Because the physical and chemical performance of insulating barrier 5 is good, have waterproof, acid and alkali-resistance, weathering resistance, and with higher dielectric strength,
The high-quality characteristic such as constant dielectric constants, high thermal stability.The insulation characterisitic of insulating barrier is wrapped up in this structure on the outside of electrode by
Portion's electrode carries out electrical isolation with outside of deivce face, ensures the insulating properties of whole device.
Wherein, flange 1 is fixed with aluminum pipe 6 by soldering tech, reliable and stable.
Wherein, aluminum pipe 6, one end closing, one end open, blind end can be put into water, have good insulating properties, thermal diffusivity
And corrosion resistance.Good insulating properties makes the device to be inserted directly into water, therefore has the high efficiency of heating surface.
Wherein, the material of insulating barrier 5 can be mica, and it has good insulating properties and thermal conductivity and high temperature resistant, had
Certain ductility and machinability, temperature drastically change or acid or alkali environment in, there is good physical and chemical performance, service life
Long, reliability is high.
Wherein, the heat endurance of silica gel base 8 is good, chemical property is stable, has higher mechanical strength.Put on silica gel base 8
There is electrode slot, for fixed electrode.Fin greatly expands heater area of dissipation on the outside of device, improve heater with
Heat exchanger effectiveness between water body.
Wherein, the material of electrode 4 is aluminium flake, stainless steel substrates or copper sheet.Installation is changed convenient.
Wherein, radiating subassembly 7 is aluminium flake, is consolidated between fin and heat generating component by mechanical pressure and soldering tech
It is fixed, there is very strong stability.
It is of the invention safe and reliable, flange-type structure simple and stable, it is easily changed, while good insulation preformance, it can be directly placed into
Hot-water heating heating is carried out in water, or places and is used in atmosphere as wind heater device, heats, substantially increases especially as hot-water heating
The efficiency of heating surface.
Alternatively, mica and silica gel base, the two is respectively provided with good thermal conductivity and mechanical strength.
Aluminum pipe uses flat structure, and wherein one end is closed, one end open, adds the contact area of device and liquid.
It is fixed between radiating subassembly and heating component using mechanical pressure and soldering tech, whole device can be directly placed into tank.
And heating component and current part are designed to two completely separate devices by general ptc heater mostly, by metal
Transmit heat.Thus compared with general PTC heaters, the present apparatus has the high distinguishing feature of the efficiency of heating surface.
Further, since the present apparatus is simple in construction, PTC heat generating components and radiating subassembly can be optionally combined, thus only
Appropriate assembling need to be carried out to device can be to use as wind heater device or plumbing fixture.
Case study on implementation 1
As shown in Figure 2, the present invention is the good PTC hydrothermal devices used for electric vehicle of insulating properties, it is characterised in that including
PTC heat generating components and the radiating subassembly being nested in outside PTC heat generating components and flange apparatus fixing end 100.PTC heat generating component bags
Include PTC fever tablets, waste paper, two electrodes 400 and 401 for being close to fever tablet upper and lower surface, aluminum pipe etc..Wherein, waste paper is nothing
Electrode ptc material, main to play a part of to isolate fever tablet, electrode on the inside of aluminum pipe with being equipped with the good mica layer of heat conductivility.Aluminium
Bottom of the tube is equipped with silicon submount 8, main to play insulation and fixed electrode.
Further, fixed between radiating subassembly and PTC heat generating components by mechanical pressure and soldering tech, apparatus structure
With very strong stability.
Further, it is used to control the interval between each component at radiating subassembly 701,702 be discharge opening, ensure that current
Along the circulation in PTC heaters direction.
Further, flange fixing end 100 is connected with aluminum pipe using brazing mode, can strengthen the two connective stability with
And device sealing, 101 be screw, for fixing device.
Case study on implementation 2
As shown in Figure 3, the implementation case is substantially the same with case 1, is distinguished as, PTC heating components in the implementation case
610 be two groups, and the efficiency of heating surface is higher.Simultaneously as volume is relatively large, so being suitable for bulky water tank.
Case study on implementation 3
As shown in Figure 4, the implementation case is substantially the same with case 2, is distinguished as, and the implementation case is that aluminum pipe 620 can be with
For U-shape structure, U-shaped bottom is mainly used in fixing, and suitable for the long-term violent oscillation environment of hydro-thermal container, and U-shaped bottom rises again
The effect of fin is arrived.
Above scheme is only for reference, easy to assembly because the present apparatus is simple in construction, and in principle, user can be according to tool
One of the water receptacle shape of body and customized solution, the advantages of this is also the present apparatus.
The present invention provides a kind of PTC heaters, including PTC heat generating components, the radiating subassembly that is nested in outside component and
Flange etc..PTC heat generating components overall appearance is tubular structure, includes PTC fever tablets, waste paper, electrode, insulation successively from the inside to the outside
Layer and aluminum pipe.It is mutually isolated by the waste paper without electrode between fever tablet and fever tablet.Aluminum pipe bottom is equipped with silicon submount, is used for
Fixed electrode.Of the invention safe and reliable, simple in construction, the efficiency of heating surface is high, and insulation effect is good, can be directly placed into electric automobile water
Case uses as wind heater device.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (10)
- A kind of 1. PTC heaters, it is characterised in that including：PTC heat generating components, the PTC heat generating components include：PTC generates heat Piece, waste paper, electrode, insulating barrier and aluminum pipe；The upper and lower surface of the PTC fever tablets is close to set two electrodes, and the electrode is used to add the PTC fever tablets Heat so that the PTC fever tablets heating；The PTC fever tablets are including multiple, and the waste paper is between multiple PTC fever tablets, for isolating the multiple PTC hairs Backing；The insulating barrier is located on the inside of electrode and aluminum pipe, and the insulating barrier wraps up the electrode, for cause the electrode with it is outer Boundary's dielectric insulation, the thermal conductivity of the insulating barrier are good；The aluminum pipe wraps up the insulating barrier, for the electrode after packaging insulating.
- 2. PTC heaters according to claim 1, it is characterised in that also include：Radiating subassembly, flange and silicon submount；The radiating subassembly is nested in outside the PTC heat generating components, for extending heater area of dissipation, improves PTC heatings The heat exchanger effectiveness of component and extraneous medium, the extraneous medium can be water or air；The flange is fixed by soldering tech with aluminum pipe so that PTC heaters are reliable and stable；Electrode slot is equipped with the silicon submount, for fixing the electrode.
- 3. PTC heaters according to claim 2, it is characterised in that aluminum pipe one end closing, one end open, envelope Closed end can be put into water, have good insulating properties, thermal diffusivity and corrosion resistance, and good insulating properties makes the PTC heaters It can be inserted directly into water, there is the high efficiency of heating surface.
- 4. PTC heaters according to claim 3, it is characterised in that the waste paper is electrodeless ptc material, mainly Play a part of to isolate PTC fever tablets.
- 5. PTC heaters according to claim 1, it is characterised in that the material of the insulating barrier is mica, and it has Good insulating properties and thermal conductivity and high temperature resistant, there is certain ductility and machinability, drastically change or soda acid in temperature In environment, there is good physical and chemical performance.
- 6. PTC heaters according to claim 1, it is characterised in that between radiating subassembly and the PTC heat generating component according to It is fixed by mechanical pressure and soldering tech, there is very strong stability.
- 7. PTC heaters according to claim 1, it is characterised in that the electrode material be aluminium flake, stainless steel substrates or Copper sheet, installation are changed convenient.
- 8. PTC heaters according to claim 1, it is characterised in that also include：Discharge opening, the discharge opening are located at On radiating subassembly, for ensure that circulation of the current along PTC heat generating components direction.
- 9. PTC heaters according to claim 1, it is characterised in that the PTC heat generating components are two groups, to improve The efficiency of heating surface, suitable for bulky water tank.
- 10. PTC heaters according to claim 1, it is characterised in that the aluminum pipe is U-shape structure, U-shape structure bottom Portion is mainly used in fixing, suitable for hydro-thermal container violent oscillation environment, and U-shape structure bottom serves the work of fin for a long time again With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326220.3A CN107864524B (en) | 2017-12-13 | 2017-12-13 | PTC heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326220.3A CN107864524B (en) | 2017-12-13 | 2017-12-13 | PTC heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107864524A true CN107864524A (en) | 2018-03-30 |
| CN107864524B CN107864524B (en) | 2023-11-14 |
Family
ID=61706387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711326220.3A Active CN107864524B (en) | 2017-12-13 | 2017-12-13 | PTC heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107864524B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087776A (en) * | 2021-11-10 | 2022-02-25 | 江苏科技大学 | Vehicle-mounted water heating heater and assembly method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203537577U (en) * | 2013-05-22 | 2014-04-09 | 苏州新业电子有限公司 | Improved PTC heater for electric automobile |
-
2017
- 2017-12-13 CN CN201711326220.3A patent/CN107864524B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203537577U (en) * | 2013-05-22 | 2014-04-09 | 苏州新业电子有限公司 | Improved PTC heater for electric automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087776A (en) * | 2021-11-10 | 2022-02-25 | 江苏科技大学 | Vehicle-mounted water heating heater and assembly method thereof |
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| Publication number | Publication date |
|---|---|
| CN107864524B (en) | 2023-11-14 |
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