CN202210873U - Heating line improvement structure for ceramic heating rod - Google Patents
Heating line improvement structure for ceramic heating rod Download PDFInfo
- Publication number
- CN202210873U CN202210873U CN2011203343819U CN201120334381U CN202210873U CN 202210873 U CN202210873 U CN 202210873U CN 2011203343819 U CN2011203343819 U CN 2011203343819U CN 201120334381 U CN201120334381 U CN 201120334381U CN 202210873 U CN202210873 U CN 202210873U
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- ceramic
- heating
- heating line
- heating circuit
- rod
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Abstract
The utility model relates to a heating line improvement structure for a ceramic heating rod and a ceramic heater, particularly to an improvement structure for a heating line, belonging to the H05B3 category in the IPC classification. The ceramic heating rod is composed of a ceramic cylinder core body and a cylindrical ceramic layer formed by curling and tightly sleeving ceramic chips upon the outboard of the ceramic cylinder core body, wherein the inner sidewall of the cylindrical ceramic layer is printed with a resistor heating line; the heating line is arranged at a heating area with a reciprocating and folding structure; two ends of the heating line respectively pass through the two small holes of the inner sidewall to connect with two electrode pads of the outer sidewall; and the two electrode pads are respectively provided with lead wires via welding. The heating line improvement structure of the utility model is improved by designing the turning-back section of the heating line into a structure having a radian. The heating line improvement structure of the utility model improves the turning-back section of the heating line, thereby fully dispersing the heat, overcoming the detect of high temperature in partial position of the turning-back section, and enhancing the endurance of the ceramic heating rod.
Description
Technical field
The utility model relates to ceramic heater; Especially can be applicable to Automobile Detection transducer, vaporizer, electric iron, lambda sensor etc. needs the ceramic heat of heat temperature raising parts excellent; Specifically be the improvement structure to the heating circuit, it is other in the IPC classification, to belong to the big category of H05B3.
Background technology
Ceramic heater is a kind of efficient hot branch uniform heating device; Can guarantee that hot-face temperature is even; The focus and the cold spot of equipment have been eliminated; And have advantages such as long-life, good heat insulating, strong, corrosion-resistant, the diamagnetic field of mechanical performance, being widely used in Automobile Detection transducer, vaporizer, electric iron, lambda sensor etc. needs in heat temperature raising parts or other occasions.
The structure of existing ceramic heat rod is: the ceramic cylinder core body reaches by the curling tubular ceramic layer that forms outside the ceramic cylinder core body that also tightly is placed in of potsherd to be formed; Tubular ceramic layer madial wall is printed with the resistance heating circuit; It is continuous with two electrode pads of lateral wall that these heating circuit two ends pass two apertures of madial wall respectively, is welded with lead-in wire on the electrode pad respectively.
The weak point of existing ceramic heat rod is: the resistance heating circuit of tubular ceramic layer madial wall printing is positioned at the thermal treatment zone and generally is the structure of back and forth turning back back and forth; The bent angle angle at the place of turning back is 90 degree; The heat that this position produces is not easy fully to obtain to disperse, and causes this position local temperature higher and cause heating rod to lose efficacy.
The utility model content
Therefore; The utility model improves design to the unreasonable part of the heating line construction existence of existing ceramic heat rod; Solution is turned back and is located the too high problem of local temperature, so that heat is fully disperseed, the high phenomenon of local temperature of position, the place of turning back is inhibited.
The utility model is realized through following technical scheme:
The heating circuit of ceramic heat rod improves structure; Wherein the ceramic heat rod curls and tightly is placed in the tubular ceramic layer that forms outside the ceramic cylinder core body by the ceramic cylinder core body and by potsherd and forms; Tubular ceramic layer madial wall is printed with the resistance heating circuit; The heating circuit is positioned at the thermal treatment zone and is the structure of back and forth turning back back and forth, and it is continuous with two electrode pads of lateral wall that these heating circuit two ends pass two apertures of madial wall respectively, is welded with lead-in wire on the electrode pad respectively.Improvements are: the described heating circuit place of turning back is designed with the structure of radian.
Further, described radian is a circular arc.Adopt the radian effect of circular arc better, and be easy to the printing of resistance heating circuit.
Further, the radius of described circular arc is between 1/2nd to 2 times of heating line width.Adopt the radius of the circular arc of suitable size, be more conducive to solve heat and fully disperse.
The utility model adopts as above technical scheme, and the structure at the heating circuit place of turning back is improved, so that heat is fully disperseed, the high phenomenon of local temperature of position, the place of turning back is inhibited, thereby the durability that makes the ceramic heat rod use is improved.
Description of drawings
Fig. 1 is the overall structure sketch map of ceramic heat rod;
Fig. 2 is the tubular ceramic layer of ceramic heat rod and the structural representation after the expansion of ceramic cylinder core body;
Fig. 3 is the partial structurtes sketch map that existing heating circuit turns back the place;
Fig. 4 is the partial structurtes sketch map that the improved heating circuit of the utility model turns back the place.
Embodiment
Combine accompanying drawing and embodiment that the utility model is further specified at present.
Consult illustrated in figures 1 and 2; The ceramic heat rod curls and tightly is placed in the tubular ceramic layer 2 that ceramic cylinder core body 1 outside forms by ceramic cylinder core body 1 and by potsherd and forms; Tubular ceramic layer 2 madial walls are printed with resistance heating circuit 3; Heating circuit 3 is positioned at the thermal treatment zone and is the structure of back and forth turning back back and forth, and it is continuous with two electrode pads 4 of lateral wall that this heating circuit two terminal 31 passes two apertures of madial wall respectively, is welded with lead-in wire 5 on the electrode pad 4 respectively.
Consult shown in Figure 3ly, the bent angle angle at the place of turning back 32 ' of existing heating circuit is 90 degree, and the heat that this position produces is not easy fully to obtain to disperse, and causes this position local temperature higher and cause the heating rod inefficacy.
Consult shown in Figure 4ly, the circuit place of turning back 32 that will generate heat of the utility model is designed with the structure of radian.Preferably, described radian is a circular arc.Adopt the radian effect of circular arc better, and be easy to the printing of resistance heating circuit.Preferred, the radius of described circular arc is between the heating 1/2nd to 2 times of line width.Adopt the radius of the circular arc of suitable size, be more conducive to solve heat and fully disperse.After the heating circuit place of turning back of ceramic heat rod being designed with the mode of radian heat is fully disperseed, the high phenomenon of local temperature of this position is inhibited.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the utility model that does not break away from appended claims and limited; Can make various variations to the utility model in form with on the details, be the protection range of the utility model.
Claims (3)
1. the heating circuit of ceramic heat rod improves structure; Wherein the ceramic heat rod curls and tightly is placed in the tubular ceramic layer that forms outside the ceramic cylinder core body by the ceramic cylinder core body and by potsherd and forms; Tubular ceramic layer madial wall is printed with the resistance heating circuit; The heating circuit is positioned at the thermal treatment zone and is the structure of back and forth turning back back and forth; It is continuous with two electrode pads of lateral wall that these heating circuit two ends pass two apertures of madial wall respectively, is welded with lead-in wire on the electrode pad respectively, and it is characterized in that: the described heating circuit place of turning back is designed with the structure of radian.
2. the heating circuit of ceramic heat rod according to claim 1 improves structure, and it is characterized in that: described radian is a circular arc.
3. the heating circuit of ceramic heat according to claim 2 rod improves structure, it is characterized in that: the radius of described circular arc is between 1/2nd to 2 times of heating line width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203343819U CN202210873U (en) | 2011-09-07 | 2011-09-07 | Heating line improvement structure for ceramic heating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203343819U CN202210873U (en) | 2011-09-07 | 2011-09-07 | Heating line improvement structure for ceramic heating rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202210873U true CN202210873U (en) | 2012-05-02 |
Family
ID=45990416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203343819U Expired - Fee Related CN202210873U (en) | 2011-09-07 | 2011-09-07 | Heating line improvement structure for ceramic heating rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202210873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546998A (en) * | 2013-10-24 | 2014-01-29 | 东莞市国研电热材料有限公司 | Large power ceramic heating unit |
-
2011
- 2011-09-07 CN CN2011203343819U patent/CN202210873U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546998A (en) * | 2013-10-24 | 2014-01-29 | 东莞市国研电热材料有限公司 | Large power ceramic heating unit |
| CN103546998B (en) * | 2013-10-24 | 2016-01-20 | 东莞市国研电热材料有限公司 | A kind of high-power ceramic heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20150907 |
|
| EXPY | Termination of patent right or utility model |