CN202310134U - Multi-hole PTC (Positive Temperature Coefficient) ceramic - Google Patents
Multi-hole PTC (Positive Temperature Coefficient) ceramic Download PDFInfo
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- CN202310134U CN202310134U CN2011203137597U CN201120313759U CN202310134U CN 202310134 U CN202310134 U CN 202310134U CN 2011203137597 U CN2011203137597 U CN 2011203137597U CN 201120313759 U CN201120313759 U CN 201120313759U CN 202310134 U CN202310134 U CN 202310134U
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- ptc
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- cylindrical shell
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Abstract
The utility model relates to a multi-hole PTC (Positive Temperature Coefficient) ceramic which comprises a cylindrical shell, a PTC ceramic and an electrode, wherein the PTC ceramic is arranged in the cylindrical shell; and the electrode is connected with the PTC ceramic. The multi-hole PTC ceramic is characterized by being a honeycombed PTC ceramic comprising orthohexagonal through-hole structures with the side length of 1.3mm, wherein the orthohexagonal through-hole structures are uniformly distributed in the cylindrical shell in an array mode; and the distance between the adjacent the orthohexagonal through-hole structures is 0.2mm. The multi-hole PTC ceramic has the characteristics of automatic temperature control, good stability, high efficiency, long service life, and the like.
Description
Technical field
The utility model relates to a kind of porous PTC pottery, is mainly used in the temperature automatically controlled of hair dryer.
Background technology
In household electric blower, what generally use is siderochrome aluminium, nickel chromium triangle electrothermal alloy heating wire at present, and its antioxygenic property is generally all stronger; But because all gases in the body; Like air, hydrogen or the like, these gases all have certain influence to element under high temperature uses, though various electrothermal alloy had all carried out anti-oxidant treatment before dispatching from the factory; But on links such as transportation, coiling, installation, all can cause element damage to a certain extent, and complex structure, pot life are shorter.
Existing a kind of PTC ceramic thermal resistance has the characteristic of positive temperature coefficient, is the semiconductor resistor that a kind of typical case has temperature sensitivity; When surpassing certain temperature (Curie temperature), its resistance value is along with the rising of temperature is increasing of step evolution, at this moment; Because its resistivity-temperature characteristics, electric current reduces along with the increase of resistance, when resistance value reaches maximum; The PTC chip no longer generates heat, and temperature no longer rises; When temperature descended once more, electric current increased along with reducing of resistance, and the PTC chip generates heat once more, and so reciprocation cycle realizes automatic temperature-controlled to reach the constant temperature effect.It has characteristics such as energy-conservation, safety, the flames of anger.But existing P TC thermistor ceramic chip must use the aluminum strip auxiliary heat dissipation, because the complex structure of aluminum strip can't be assembled into circle or polygon, in the less hair dryer of volume, can not use.
The utility model content
The utility model technical problem to be solved is to overcome existing above-mentioned deficiency in the prior art; And provide a kind of ability temperature automatically controlled; Do not need cellular PTC pottery by auxiliary heat conducting element heat conduction; Employing extrusion forming process technology can be made into profiles such as square, polygon, circle, ellipse, cylinder, the porous PTC pottery of the porous honeycomb structure that installing and replacing is easy.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of porous PTC pottery; Comprise cylindrical shell, PTC pottery and electrode; The PTC pottery is installed in the cylindrical shell, and electrode and PTC pottery is connected, it is characterized in that it is that the cellular PTC that constitutes of the regular hexagon through-hole structure of 1.3mm is ceramic that said PTC pottery adopts by the length of side; The regular hexagon through-hole structure is evenly distributed in the cylindrical shell with array format, and the distance between the adjacent regular hexagon through-hole structure is 0.2mm.
The raw material of making the PTC ceramic honey comb are through operations such as purification, pre-burning, interpolation nano modifiers; The raw material that pre-burning is good is put into the high accuracy extrusion equipment; Once being squeezed into through hole is regular hexagon porous idiosome, burns till through 1200 ℃ of high temperature at last, silver or aluminium electrode is plated on the outside of product.
The beneficial effect of the utility model: porous PTC is mainly used in hair dryer, also can be applicable to needs such as air conditioner, dehumidifier, drying machine, dryer, heating automobile.Porous PTC heater has the specific function that under the blowing state, can produce the temperature constant hot blast, and proof voltage can reach 600V/mm.Simple in structure, do not need to add in addition temperature regulating device, need not use conducting resinl, more do not need the aluminum strip heat abstractor, porous PTC is not rubescent, and is safe and reliable, and the life-span is long.The working voltage scope is wide, and power stability can be squeezed into multiple shape, size.Through an extrusion modling of high-precision extrusion equipment,, improved the mechanical stability of honeycomb through hole owing to adopted orthohexagonal hole cross section; Stress is even, and pore wall is not easy to crack, with array format; Bigger specific area and porosity are arranged, and apparent porosity can reach 50 holes/cm
2, reducing gas-flow resistance, radiating efficiency is higher, and it is safer stable to work.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model is specified:
As shown in Figure 1; The profile of the utility model is a cylinder, and cylinder diameter is 58mm, highly is 6mm; Perpendicular to being that the regular hexagon through-hole structure 2 of 1.3mm constitutes cellular PTC pottery with the equally distributed length of side of array format on the cross section of axis direction; Distance between the adjacent regular hexagon through-hole structure 2 is 0.2mm, and its cylindrical shell 1 thickness is 2mm, and electrode 3 is connected through electroplating with PTC pottery 2.
Architectural characteristic:
Temperature automatically controlled characteristic.The PTC ceramic honey comb is the semiconductor resistor that a kind of typical case has temperature sensitivity, and when surpassing certain temperature (Curie temperature), its resistance value is along with the rising of temperature is increasing of step evolution; At this moment; Because its resistivity-temperature characteristics, electric current reduces along with the increase of resistance, when resistance value reaches maximum; The PTC chip no longer generates heat, and temperature no longer rises; When temperature descended once more, electric current increased along with reducing of resistance, and the PTC ceramic honey comb generates heat once more, and so reciprocation cycle is to reach the constant temperature effect.The utility model utilizes its resistivity-temperature characteristics exactly, does not need the additional configuration thermostat.
The honeycomb characteristic.Honeycomb regular hexagon array structure has high strength, high porosity, low-flow resistance, the advantage that radiating efficiency is high.
Energy-conservation characteristic.When variation of ambient temperature, the power output of PTC ceramic honey comb can be made corresponding change with the variation of ambient temperature, automatic constant-temperature, and energy-saving effect is remarkable.
Stable performance, the characteristic of long service life.The PTC ceramic thermal resistance is an inorganic material, wide voltage power supply, and stable performance is difficult for aging, safe and reliable.
Claims (2)
1. a porous PTC is ceramic; Comprise cylindrical shell, PTC pottery and electrode; The PTC pottery is installed in the cylindrical shell, and electrode and PTC pottery is connected, it is characterized in that: it is that the cellular PTC that constitutes of 1.3 millimeters regular hexagon through-hole structure is ceramic that said PTC pottery adopts by the length of side; The regular hexagon through-hole structure is evenly distributed in the cylindrical shell with array format, and the distance between the adjacent regular hexagon through-hole structure is 0.2 millimeter.
2. porous PTC pottery according to claim 1, it is characterized in that: said electrode is the aluminium electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203137597U CN202310134U (en) | 2011-08-24 | 2011-08-24 | Multi-hole PTC (Positive Temperature Coefficient) ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203137597U CN202310134U (en) | 2011-08-24 | 2011-08-24 | Multi-hole PTC (Positive Temperature Coefficient) ceramic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202310134U true CN202310134U (en) | 2012-07-04 |
Family
ID=46378941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203137597U Expired - Fee Related CN202310134U (en) | 2011-08-24 | 2011-08-24 | Multi-hole PTC (Positive Temperature Coefficient) ceramic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202310134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807367A (en) * | 2012-08-20 | 2012-12-05 | 刘小强 | Method for manufacturing PTC (positive temperature coefficient) ceramic |
| CN114872335A (en) * | 2022-05-26 | 2022-08-09 | 东莞市仕易陶瓷科技有限公司 | Automobile battery variable resistance protection element and preparation method thereof |
-
2011
- 2011-08-24 CN CN2011203137597U patent/CN202310134U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807367A (en) * | 2012-08-20 | 2012-12-05 | 刘小强 | Method for manufacturing PTC (positive temperature coefficient) ceramic |
| CN114872335A (en) * | 2022-05-26 | 2022-08-09 | 东莞市仕易陶瓷科技有限公司 | Automobile battery variable resistance protection element and preparation method thereof |
| CN114872335B (en) * | 2022-05-26 | 2024-01-16 | 东莞市仕易陶瓷科技有限公司 | Variable resistor protection element of automobile battery and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIU XIAOQIANG Free format text: FORMER OWNER: ZHEJIANG HAAYMAN ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20121213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 314300 JIAXING, ZHEJIANG PROVINCE TO: 314308 JIAXING, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121213 Address after: 314308, Zhejiang, Zhejiang province Jiaxing Haiyan Economic Development Zone No. 588 Donghai Avenue Technology Electronics Co., Ltd. Patentee after: Liu Xiaoqiang Address before: 314300, No. 3, building No. 211, Haiyan science and Technology Pioneer Park, Haiyan North Road, Haiyan Town, Haiyan County, Zhejiang, Jiaxing Patentee before: ZHEJIANG HAAYMAN ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20170824 |