CN2665571Y - PTC thermal sensitive ceramic electric heater - Google Patents
PTC thermal sensitive ceramic electric heater Download PDFInfo
- Publication number
- CN2665571Y CN2665571Y CN 200320112450 CN200320112450U CN2665571Y CN 2665571 Y CN2665571 Y CN 2665571Y CN 200320112450 CN200320112450 CN 200320112450 CN 200320112450 U CN200320112450 U CN 200320112450U CN 2665571 Y CN2665571 Y CN 2665571Y
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- CN
- China
- Prior art keywords
- electric heater
- thermal sensitive
- plate
- ptc thermal
- sensitive ceramics
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Abstract
The utility model discloses a PTC electric heater belonging to the electric heater technology. The electric heater comprises a rectangular shell and a core body which is arranged inside the shell, and is characterized in that: the core body is composed of an insulating plate having PTC in the central layer, and the two sides of the embedded insulating plate are provided with a metal electrode plate, an insulating plate and a heating panel in sequence. The utility model has the advantages that: a positive temperature coefficient PTC element of high Curie temperature is adopted as the heating body; the main structure method of convection heat transfer can fully display the advantages of the positive temperature coefficient thermistance material on which can adjust heating power random according to the ambient temperature changes and can save energy; the operation is safe and reliable without noise; the size is small and the electric conversion efficiency is high; and the utility model can be arranged on a washboard or hung on the wall, and play a role in heating and beautifying the environment.
Description
Technical field
The utility model relates to a kind of PTC thermal sensitive ceramics electric heater, belongs to the electric heater technology.
Background technology
Existing electric heater is a calandria with the METAL HEATING PROCESS wire rod mostly, and it is heat transfer medium that the inside of shell is filled with conduction oil, and the volume of this electric heater is big, and electric conversion efficiency is lower, conduction oil takes place easily leak and contaminated environment, can cause accidents such as scalding the people when serious; The electric heater that has is that to adopt quartz element be calandria with the mode work of radiant heat transfer, and the electric conversion efficiency of this electric heater is low, and electric power consumption is big, and the quartzy heating element life-span is low, and fail safe is relatively poor; The electric heater that has is that the heat that adopts electric fan to force the PTC ceramic heating body is produced under electric field action blows out the purpose that reaches heating by radiator, though this electric heater volume is little, but the noise of electric fan is big, radiator is charged, security incident takes place easily, is not suitable for long-time continuous and uses.
Summary of the invention
The purpose of this utility model is to provide a kind of PTC thermal sensitive ceramics electric heater, and this electric heater has that volume is little, noiselessness, electric conversion efficiency height, safe and reliable characteristics.
The utility model is realized by following proposal, comprise the PTC thermal sensitive ceramics electric heater of forming by the core body in rectangular housing and the housing, it is characterized in that, core body is inlayed the insulation plate of PTC thermal sensitive ceramics body by central stratum, and is provided with metal electrode plate, insulation plate and heat radiation plate successively in these both sides of inlaying the insulation plate and forms.
The insulation sheet of the above-mentioned PTC of inlaying thermal sensitive ceramics body is the rectangular thin plate of 0.5～2.5mm, evenly offers hole on it, inlays the PTC thermal sensitive ceramics body identical with void shape on the hole.
Above-mentioned to inlay the void shape that insulation offers on the plate be rectangular opening, circular hole, trapezoidal hole, semicircle orifice or elliptical aperture, or the combination bore of above-mentioned two kinds of passes.
The thickness of above-mentioned metal electrode plate is 0.10～0.65mm.
Above-mentioned insulation sheet is 0.10～0.35mm.
Above-mentioned heat radiation plate be by the double layer of metal plate and between accompany the sheet metal that the cross section is continuous sine wave, square wave or triangular wave and constitute, the sheet metal passage of this continuous wave is a vertical channel up and down, or be the inclination straight channel that is 0～60 ° of angle with vertical line, the thickness of heat radiation plate is 5～60mm.
Outstanding advantage of the present utility model is that the semistor ceramic component of employing high-curie temperature is a calandria, the shell of heat radiation plate and electric heater directly is not connected with power supply, frame mode based on convective heat transfer, given full play to posistor material and can adjust heating power and energy-conservation advantage at random according to the variation of ambient temperature, safe and reliable, noiselessness, volume is little, the electric conversion efficiency height, can place the skirting board place or hang on the wall effect of playing heating and beautifying the environment.
Description of drawings
Fig. 1 is the utility model core body split structural representation.
Fig. 2 is the package assembly schematic diagram of the utility model core body.
1,1 ' is the heat radiation plate among the figure, and 2,2 ' is the insulation plate, and 3,3 ' is the metal electrode plate, and 4 is PTC thermal sensitive ceramics body, and 5 for being inlaid with the insulation plate of PTC thermal sensitive ceramics body.
Embodiment
Embodiment:
The assembling fittings that electric heater adopts is: Curie temperature is 280 ℃, the semistor ceramic component of physical dimension 27mm * 14mm * 3.0mm is a calandria 4, physical dimension be 800mm * 60mm * 12mm aluminum heat radiation plate 1 and 1 ', physical dimension be 810mm * 65mm * 0.30mm combined mica insulating trip 2 and 2 ', physical dimension be the stainless steel thin slice of 800mm * 65mm * 0.15mm be electrode slice 3 and 3 ', the combined mica plate is made the insulation board 5 that physical dimension is 810mm * 65mm * 2.5mm, the physical dimension of through hole is 28mm * 15mm * 2.5mm on the insulation board 5, and the spacing of through hole is 40mm.12 semistor ceramic heating bodies 4 are placed the through hole of combined mica plate 5, the top and bottom of calandria 4 respectively with stainless steel electrode sheet 3 and 3 ' directly be connected, stainless steel electrode sheet 3 and 3 ' in addition two outsides respectively with combined mica plate insulating trip 2 and 2 ' directly be connected, two outsides of combined mica plate insulating trip more respectively with aluminium heat radiation plate 1 and 1 ' directly be connected, then aluminium heat radiation plate 1 and 1 ' two outsides ∪ shape securing member that has screw with 12 terminations the each several part of this structure closely is fixed the composition core body, this core body is fixed in the shell that physical dimension is 1200mm * 100mm * 60mm again, supply socket on two stainless steel electrode plates and the shell, the protective tube socket is connected with switch, external 220V power supply.Its skin temperature is 96 ℃ during the utility model steady operation, and the temperature of heating panel sheet duct thermal current is 90 ℃.
Claims (6)
1, a kind of PTC thermal sensitive ceramics electric heater, this electric heater comprises by the core body in rectangular housing and the housing and forming, it is characterized in that: core body is inlayed the insulation plate of PTC thermal sensitive ceramics body by central stratum, and is provided with metal electrode plate, insulation plate and heat radiation plate successively in these both sides of inlaying the insulation plate and forms.
2, by the described PTC thermal sensitive ceramics of claim 1 electric heater, it is characterized in that: the insulation sheet of inlaying PTC thermal sensitive ceramics body is the rectangular thin plate of 0.5～2.5mm, evenly offer hole on it, inlay the PTC thermal sensitive ceramics body identical on the hole with void shape.
3, by claim 1 or by the described PTC thermal sensitive ceramics of claim 2 electric heater, it is characterized in that: inlaying the void shape of offering on the insulation plate is rectangular opening, circular hole, trapezoidal hole, semicircle orifice or elliptical aperture, or the combination bore of above-mentioned two kinds of passes.
4, by the described PTC thermal sensitive ceramics of claim 1 electric heater, it is characterized in that: the thickness of metal electrode plate is 0.10～0.65mm.
5, by the described PTC thermal sensitive ceramics of claim 1 electric heater, it is characterized in that: the insulation sheet is 0.10～0.35mm.
6, by the described PTC thermal sensitive ceramics of claim 1 electric heater, it is characterized in that: the heat radiation plate be by the double layer of metal plate and between accompany the sheet metal that the cross section is continuous sine wave, square wave or triangular wave and constitute, the sheet metal passage of this continuous wave is a vertical channel up and down, or be the inclination straight channel that is 0～60 ° of angle with vertical line, the thickness of heat radiation plate is 5～60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112450 CN2665571Y (en) | 2003-12-02 | 2003-12-02 | PTC thermal sensitive ceramic electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112450 CN2665571Y (en) | 2003-12-02 | 2003-12-02 | PTC thermal sensitive ceramic electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2665571Y true CN2665571Y (en) | 2004-12-22 |
Family
ID=34344663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320112450 Expired - Lifetime CN2665571Y (en) | 2003-12-02 | 2003-12-02 | PTC thermal sensitive ceramic electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2665571Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715255B (en) * | 2008-10-08 | 2011-12-28 | 张崇泰 | Ptc heater structure |
| CN1946252B (en) * | 2006-10-19 | 2012-05-30 | 巫嘉雄 | Electrode structure of ceramic electric heating unit and its forming method |
| CN108848583A (en) * | 2018-05-16 | 2018-11-20 | 浙江欧兰顿电器科技有限公司 | A kind of PTC heat generating component processing method |
-
2003
- 2003-12-02 CN CN 200320112450 patent/CN2665571Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1946252B (en) * | 2006-10-19 | 2012-05-30 | 巫嘉雄 | Electrode structure of ceramic electric heating unit and its forming method |
| CN101715255B (en) * | 2008-10-08 | 2011-12-28 | 张崇泰 | Ptc heater structure |
| CN108848583A (en) * | 2018-05-16 | 2018-11-20 | 浙江欧兰顿电器科技有限公司 | A kind of PTC heat generating component processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131202 Granted publication date: 20041222 |