CN102883483A - Adhesive type ceramic PTC (positive temperature coefficient) heater and manufacturing method - Google Patents
Adhesive type ceramic PTC (positive temperature coefficient) heater and manufacturing method Download PDFInfo
- Publication number
- CN102883483A CN102883483A CN2012103713196A CN201210371319A CN102883483A CN 102883483 A CN102883483 A CN 102883483A CN 2012103713196 A CN2012103713196 A CN 2012103713196A CN 201210371319 A CN201210371319 A CN 201210371319A CN 102883483 A CN102883483 A CN 102883483A
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- Prior art keywords
- heat
- heater
- adhesive type
- type ceramic
- conducting glue
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- 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.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
- F24H9/1827—Positive temperature coefficient [PTC] resistor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/52—Apparatus or processes for filling or compressing insulating material in tubes
-
- 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
- H05B2203/017—Manufacturing methods or apparatus 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
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses an adhesive type ceramic PTC (positive temperature coefficient) heater and a manufacturing method. The ceramic PTC heater comprises a heating body and heat radiators, wherein the heat radiators are adhered on two sides of the heating body via conductive adhesives, and the heating body and an internal aluminum bar as well as the internal aluminum bar and heat radiator fins and an external aluminum bar are directly connected by conductive adhesives. Original brazing welding mode is improved, processing is simpler and higher in efficiency, lead pollution caused by brazing welding is avoided and the adhesive type ceramic PTC heater is more environment-friendly. The adhesive type ceramic PTC heater is used as an auxiliary electric heater on a split indoor unit of an air conditioner, a cabinet air conditioner, a movable air conditioner and an air heater. Due to the fact that channels which are originally air gaps are compactly filled by the conductive adhesives, thermal transmission efficiency is higher and heating effect is obviously improved as compared with that of other common PTC heaters.
Description
Technical field
The invention belongs to the air-conditioning field of electric heating, particularly a kind of adhesive type ceramic PTC heater and manufacture method with ptc characteristics.
Background technology
At present, the ceramic PTC heater that the air-conditioning auxiliary heating is used, its aluminum pipe and heat abstractor, aluminum strip and fin mainly form by Al-Si brazing filler metal Welding.
Be the mechanical property that guarantees that the scolder fusing point is lower, wettability is good and outstanding, leading becomes the main selection of most of solders.Although lead-free solder also in continuous research and development,, " unleaded " is not represent not contain any lead element in the solder, and just lead amount controlled within limits.
The lead contamination that causes thus then can't neglect, the user in use, ptc heater is worked under relatively high temperature, plumbous activity gets a promotion, and is easier of the air-conditioning duct air-flow participates in indoor air circulation, worsens living environment.Thereby reduce has the lead solder operation to become inexorable trend as far as possible in the ceramic PTC production process.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of adhesive type ceramic PTC heater and manufacture method, this adhesive type ceramic PTC heater need not to use soldering processes, not only environmental protection, and also technique is relatively simple, with low cost.
To achieve these goals, technical scheme of the present invention is:
A kind of adhesive type ceramic PTC heater comprises heater and heat abstractor, and described heat abstractor is bonded in the two sides of heater by heat-conducting glue.
Described heater comprises aluminum pipe, PTC sheet, electrode and dielectric film; Described electrode is by heat-conducting glue bonding PTC sheet two sides that are close to respectively, and the whole outer surface that described PTC sheet and electrode consist of is coated with heat-conducting glue and integral body is wrapped in the dielectric film; The whole outer surface that described PTC sheet, electrode and dielectric film consist of is coated with heat-conducting glue and integral body penetrates aluminum pipe, the integral body that aluminum pipe, PTC sheet, electrode and dielectric film the are consisted of setting of exerting pressure.
Described PTC sheet two sides evenly are coated with the metal electrode powder, are coated with heat-conducting glue on the described metal electrode powder.
Contact resistance between described PTC sheet and the electrode is 3 to 10 ohm.
Described metal electrode powder is the aluminium powder electrode powder.
Described heat abstractor comprises interior aluminum strip, fin and outer aluminum strip, and the medial surface of described interior aluminum strip and the medial surface of outer aluminum strip evenly are coated with heat-conducting glue, and described fin is bonded on the medial surface of the medial surface of interior aluminum strip and outer aluminum strip by heat-conducting glue.Wherein collision deformation is avoided in interior aluminum strip and outer aluminum strip protection fin two sides.
Described fin is rectangle, U-shaped, waveform or zigzag.
Described interior aluminum strip two ends are provided with the flanging that cooperates with outer aluminum strip; The end face of flanging protection fin is avoided collision deformation.
Described heat-conducting glue is silica gel material; These silica gel material dielectric property are good, heat conduction is rapid.
A kind of manufacture method that is applied to adhesive type ceramic PTC heater may further comprise the steps:
1) behind upper and lower two the surface uniform spray metal electrode powders of PTC sheet, electrode is close on the metal electrode powder by heat-conducting glue is bonding, wherein the both sides of metal electrode powder respectively with PTC sheet and electrode contact;
2) after being coated with heat-conducting glue, the whole outer surface that described PTC sheet and electrode is consisted of is wrapped in dielectric film inside;
After being coated with heat-conducting glue, the outer surface of the integral body that 3) described PTC sheet, electrode and dielectric film is consisted of penetrates aluminum pipe, and the integral body setting of exerting pressure, make heater;
4) interior aluminum strip, fin and outer aluminum strip are laminated into an integral heat dissipation means successively by heat-conducting glue;
5) evenly be coated with heat-conducting glue in the upper and lower two sides of heater, heat abstractor be laminated on respectively on the two sides of heater, and finalize the design by geometrical clamp.
Beneficial effect of the present invention: the adhesive type ceramic PTC can be used as the environmental-friendly lead-free heating material, uses as electrical auxiliary heater on air-conditioning split indoor set, cabinet-type air conditioner, mobile air conditioner, warm-air drier.Because heat-conducting glue is that the duct of air-gap is filled and to be compacted with many scripts, heat transference efficiency is higher, and heating effect obviously improves than other common ptc heaters.
Description of drawings
Fig. 1 is adhesive type ceramic PTC explosive view of the present invention;
Fig. 2 is the outline drawing of adhesive type ceramic PTC of the present invention;
Fig. 3 is the left view of adhesive type ceramic PTC of the present invention;
Fig. 4 is the sectional view of aluminum pipe part in the adhesive type ceramic PTC of the present invention;
Fig. 5 is the another execution mode of fin of the present invention;
Fig. 6 is the view before PTC sheet of the present invention and electrode slice are exerted pressure;
Fig. 7 is the view after PTC sheet of the present invention and electrode slice are exerted pressure.
Embodiment
As shown in Figure 1, 2, 3, adhesive type ceramic PTC heater mainly comprises heater 1 and heat abstractor 2, and as shown in Figure 4, heater 1 includes aluminum pipe 11, PTC sheet 12, electrode 13 and dielectric film 14; After PTC sheet 12 is good according to the bar shaped array arrangement, the whole evenly sandblast aluminium dust electrode in two sides, and evenly be coated with heat-conducting glue at the aluminium powder electrode surface, then with electrode 13 by heat-conducting glue bonding PTC sheet 12 two sides that are close to respectively, and so that contact resistance is 5 ohm; The whole outer surface that PTC sheet 12 and electrode 13 consist of is coated with heat-conducting glue and integral body is wrapped in the dielectric film 14; The whole outer surface that PTC sheet 12, electrode 13 and dielectric film 14 consist of is coated with heat-conducting glue and integral body penetrates aluminum pipe 11, be illustrated in figure 6 as the state diagram before exerting pressure, heater 1 is to exert pressure to formalize by the integral body that aluminum pipe 11, PTC sheet 12, electrode 13 and dielectric film 14 are consisted of to obtain, as shown in Figure 7.
As shown in Figure 5, heat abstractor 2 comprises interior aluminum strip 21, fin 22 and outer aluminum strip 23, the medial surface of the medial surface of interior aluminum strip 21 and outer aluminum strip 23 evenly is coated with heat-conducting glue, and fin 22 is bonded on the medial surface of the medial surface of interior aluminum strip 21 and outer aluminum strip 23 by heat-conducting glue.For the end face 221 of protecting fin 22 is avoided collision deformation, interior aluminum strip 21 two ends are provided with the flanging 211 that cooperates with outer aluminum strip 23, and wherein fin 22 is rectangle, such as Fig. 2; Or zigzag, such as Fig. 5.
Heat-conducting glue is silica gel material in the present embodiment.
The manufacture method of adhesive type ceramic PTC heater may further comprise the steps:
1) behind PTC sheet 12 upper and lower two surface uniform spray metal electrode powders 15, electrode 13 is close on the metal electrode powder 15 by heat-conducting glue is bonding, wherein the both sides of metal electrode powder 15 contact with electrode 13 with PTC sheet 12 respectively;
2) after being coated with silica gel, the whole outer surface that described PTC sheet 12 and electrode 13 is consisted of is wrapped in dielectric film 14 inside;
After being coated with silica gel, the outer surface of the integral body that 3) described PTC sheet 12, electrode 13 and dielectric film 14 is consisted of penetrates aluminum pipe 11, and the integral body setting of exerting pressure, make heater 1;
4) interior aluminum strip 21, fin 22 and outer aluminum strip 23 are laminated into an integral heat dissipation means 2 successively by silica gel;
5) evenly be coated with silica gel in heater 1 upper and lower two sides, heat abstractor 2 be laminated on respectively on the two sides of heater 1, and finalize the design by geometrical clamp;
6) integral body of heater 1 and heat abstractor formation is carried out electric heating, so that the silica gel rapid curing.
Operation principle of the present invention: behind PTC sheet 12 heating powers, heat is transfer from inside to outside, because silica gel material fills up original space, part position heat transmission medium becomes the higher silica gel of conductive coefficient by the lower air of conductive coefficient.Improve the heat transfer effect of ceramic PTC heater integral body, promoted heating capacity.
Claims (10)
1. an adhesive type ceramic PTC heater is characterized in that comprising heater (1) and heat abstractor (2), and described heat abstractor (2) is bonded in the two sides of heater (1) by heat-conducting glue.
2. described adhesive type ceramic PTC heater according to claim 1 is characterized in that described heater (1) comprises aluminum pipe (11), PTC sheet (12), electrode (13) and dielectric film (14); Described electrode (13) is by heat-conducting glue bonding PTC sheet (12) two sides that are close to respectively, and the whole outer surface that described PTC sheet (12) and electrode (13) consist of is coated with heat-conducting glue and integral body is wrapped in the dielectric film (14); The whole outer surface that described PTC sheet (12), electrode (13) and dielectric film (14) consist of is coated with heat-conducting glue and integral body penetrates aluminum pipe (11), to the setting of exerting pressure of the integral body of aluminum pipe (11), PTC sheet (12), electrode (13) and dielectric film (14) formation.
3. described adhesive type ceramic PTC heater according to claim 2 is characterized in that described PTC sheet (12) two sides evenly are coated with metal electrode powder (15), are coated with heat-conducting glue on the described metal electrode powder (15).
4. described adhesive type ceramic PTC heater according to claim 3 is characterized in that described metal electrode powder (15) is the aluminium powder electrode powder.
5. described adhesive type ceramic PTC heater according to claim 3 is characterized in that the contact resistance between described PTC sheet (12) and the electrode (13) is 3-10 ohm.
6. described adhesive type ceramic PTC heater according to claim 1, it is characterized in that described heat abstractor (2) comprises interior aluminum strip (21), fin (22) and outer aluminum strip (23), the medial surface of the medial surface of described interior aluminum strip (21) and outer aluminum strip (23) evenly is coated with heat-conducting glue, and described fin (22) is bonded on the medial surface of interior aluminum strip (21) and outer aluminum strip (23) by heat-conducting glue.
7. described adhesive type ceramic PTC heater according to claim 6 is characterized in that described fin (22) is rectangle, U-shaped, waveform or zigzag.
8. described adhesive type ceramic PTC heater according to claim 6 is characterized in that described interior aluminum strip (21) two ends are provided with the flanging (211) that cooperates with outer aluminum strip (23).
9. according to claim 1 to 8 described each adhesive type ceramic PTC heaters, it is characterized in that described heat-conducting glue is silica gel material.
10. manufacture method that is applied to the described adhesive type ceramic PTC of claim 1 to 9 heater is characterized in that may further comprise the steps:
1) behind upper and lower two the surface uniform spray metal electrode powder of PTC sheet (12) (15), electrode (13) is close on the metal electrode powder (15) by heat-conducting glue is bonding, and wherein the both sides of metal electrode powder (15) contact with electrode (13) with PTC sheet (12) respectively;
2) after being coated with heat-conducting glue, the whole outer surface that described PTC sheet (12) and electrode (13) is consisted of is wrapped in dielectric film (14) inside;
After being coated with heat-conducting glue, the outer surface of the integral body that 3) described PTC sheet (12), electrode (13) and dielectric film (14) is consisted of penetrates aluminum pipe (11), and the integral body setting of exerting pressure, make heater (1);
4) interior aluminum strip (21), fin (22) and outer aluminum strip (23) are laminated into an integral heat dissipation means (2) successively by heat-conducting glue;
5) evenly be coated with heat-conducting glue in the upper and lower two sides of heater (1), heat abstractor (2) be laminated on respectively on the two sides of heater (1), and finalize the design by geometrical clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103713196A CN102883483A (en) | 2012-09-29 | 2012-09-29 | Adhesive type ceramic PTC (positive temperature coefficient) heater and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103713196A CN102883483A (en) | 2012-09-29 | 2012-09-29 | Adhesive type ceramic PTC (positive temperature coefficient) heater and manufacturing method |
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| CN102883483A true CN102883483A (en) | 2013-01-16 |
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| CN2012103713196A Pending CN102883483A (en) | 2012-09-29 | 2012-09-29 | Adhesive type ceramic PTC (positive temperature coefficient) heater and manufacturing method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687109A (en) * | 2012-08-29 | 2014-03-26 | 博格华纳贝鲁系统有限公司 | Heating rod and method for production thereof |
| CN104540251A (en) * | 2014-12-15 | 2015-04-22 | 芜湖恒美电热器具有限公司 | Manufacturing process for air conditioner heating pipe group |
| CN104684115A (en) * | 2014-12-15 | 2015-06-03 | 芜湖恒美电热器具有限公司 | Manufacturing process for heating tube cores |
| WO2016011927A1 (en) * | 2014-07-21 | 2016-01-28 | 宋正贤 | Electric heating device and preparation method therefor |
| CN106851869A (en) * | 2015-04-08 | 2017-06-13 | 蒋国屏 | A kind of preparation technology of thermal sensitive ceramics heating element |
| CN106871219A (en) * | 2017-04-11 | 2017-06-20 | Tcl德龙家用电器（中山）有限公司 | The control method of mobile air-conditioner and mobile air-conditioner |
| CN108851461A (en) * | 2017-05-10 | 2018-11-23 | 戴森技术有限公司 | heater |
| CN108882395A (en) * | 2018-07-09 | 2018-11-23 | 安徽汇展热交换系统股份有限公司 | A kind of manufacture craft of integral braze-welded formula ptc heater |
| CN108981180A (en) * | 2018-07-30 | 2018-12-11 | 福建闽航电子有限公司 | A kind of manufacturing method of the heat generating device of warm-air drier |
| US11589661B2 (en) | 2017-01-12 | 2023-02-28 | Dyson Technology Limited | Hand held appliance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354969A (en) * | 1992-05-15 | 1994-10-11 | Nippondenso Co., Ltd. | Positive-temperature-coefficient thermistor heating device and process for production of the same |
| DE68917259T2 (en) * | 1988-11-07 | 1995-01-05 | Ado Electronic Ind Co Ltd | Heater with positive temperature coefficient and method of manufacturing the same. |
| CN2349737Y (en) * | 1998-09-10 | 1999-11-17 | 深圳市金科特种材料有限公司 | Fully closed adhesive type PTC heating device without electricity on surface |
| US20040175164A1 (en) * | 2003-02-19 | 2004-09-09 | Irina Loktev | Electrical heating device |
| CN101280956A (en) * | 2008-04-11 | 2008-10-08 | 舒定涛 | Electric-heating device and uses thereof |
| CN201700020U (en) * | 2010-05-13 | 2011-01-05 | 陈宗渊 | Improved structure of resistance heater |
| CN202889674U (en) * | 2012-09-29 | 2013-04-17 | 广东美的制冷设备有限公司 | Adhesive type ceramic PTC heater |
-
2012
- 2012-09-29 CN CN2012103713196A patent/CN102883483A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68917259T2 (en) * | 1988-11-07 | 1995-01-05 | Ado Electronic Ind Co Ltd | Heater with positive temperature coefficient and method of manufacturing the same. |
| US5354969A (en) * | 1992-05-15 | 1994-10-11 | Nippondenso Co., Ltd. | Positive-temperature-coefficient thermistor heating device and process for production of the same |
| CN2349737Y (en) * | 1998-09-10 | 1999-11-17 | 深圳市金科特种材料有限公司 | Fully closed adhesive type PTC heating device without electricity on surface |
| US20040175164A1 (en) * | 2003-02-19 | 2004-09-09 | Irina Loktev | Electrical heating device |
| CN101280956A (en) * | 2008-04-11 | 2008-10-08 | 舒定涛 | Electric-heating device and uses thereof |
| CN201700020U (en) * | 2010-05-13 | 2011-01-05 | 陈宗渊 | Improved structure of resistance heater |
| CN202889674U (en) * | 2012-09-29 | 2013-04-17 | 广东美的制冷设备有限公司 | Adhesive type ceramic PTC heater |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687109B (en) * | 2012-08-29 | 2016-10-12 | 博格华纳贝鲁系统有限公司 | heating rod and production method thereof |
| CN103687109A (en) * | 2012-08-29 | 2014-03-26 | 博格华纳贝鲁系统有限公司 | Heating rod and method for production thereof |
| WO2016011927A1 (en) * | 2014-07-21 | 2016-01-28 | 宋正贤 | Electric heating device and preparation method therefor |
| CN104540251A (en) * | 2014-12-15 | 2015-04-22 | 芜湖恒美电热器具有限公司 | Manufacturing process for air conditioner heating pipe group |
| CN104684115A (en) * | 2014-12-15 | 2015-06-03 | 芜湖恒美电热器具有限公司 | Manufacturing process for heating tube cores |
| CN104540251B (en) * | 2014-12-15 | 2017-08-22 | 芜湖恒美电热器具有限公司 | A kind of air-conditioning heating tube group manufacturing process |
| CN106851869B (en) * | 2015-04-08 | 2020-08-14 | 无锡国威陶瓷电器有限公司 | Preparation process of thermosensitive ceramic heater |
| CN106851869A (en) * | 2015-04-08 | 2017-06-13 | 蒋国屏 | A kind of preparation technology of thermal sensitive ceramics heating element |
| US11712098B2 (en) | 2017-01-12 | 2023-08-01 | Dyson Technology Limited | Hand held appliance |
| US11589661B2 (en) | 2017-01-12 | 2023-02-28 | Dyson Technology Limited | Hand held appliance |
| CN106871219A (en) * | 2017-04-11 | 2017-06-20 | Tcl德龙家用电器（中山）有限公司 | The control method of mobile air-conditioner and mobile air-conditioner |
| US11168924B2 (en) | 2017-05-10 | 2021-11-09 | Dyson Technology Limited | Heater |
| CN108851461A (en) * | 2017-05-10 | 2018-11-23 | 戴森技术有限公司 | heater |
| CN108882395A (en) * | 2018-07-09 | 2018-11-23 | 安徽汇展热交换系统股份有限公司 | A kind of manufacture craft of integral braze-welded formula ptc heater |
| CN108981180A (en) * | 2018-07-30 | 2018-12-11 | 福建闽航电子有限公司 | A kind of manufacturing method of the heat generating device of warm-air drier |
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Application publication date: 20130116 |