CN2783687Y - Electric heating pipe with double insulation protection - Google Patents
Electric heating pipe with double insulation protection Download PDFInfo
- Publication number
- CN2783687Y CN2783687Y CN 200520101665 CN200520101665U CN2783687Y CN 2783687 Y CN2783687 Y CN 2783687Y CN 200520101665 CN200520101665 CN 200520101665 CN 200520101665 U CN200520101665 U CN 200520101665U CN 2783687 Y CN2783687 Y CN 2783687Y
- Authority
- CN
- China
- Prior art keywords
- heating pipe
- electric heating
- heating tube
- pipe
- double insulation
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an electric heating pipe with double insulation protection, which comprises a quartz glass heating pipe made of insulating base material, a conductive heating film and a silver electrode, wherein a metal pipe is sheathed in the heating pipe; a gap between the heating pipe and the metal pipe is filled with an insulating material layer with both ends provided with sealing and insulating glue, and the insulating material layer and an interface of heat exchange medium are sheathed on the metal pipe. The heat exchange medium can flow in the metal pipe to carry out heat exchange. Apart from the self insulation of the glass pipe, the electric heating pipe with double insulation protection is additionally provided with a layer of insulating and heat conducting material as additional insulation so as to form an electric heating pipe with double insulation. Electric pressurization is enhanced and the risk of electricity leakage is lowered.
Description
Technical field
The utility model relates to a kind of glass-based face electric heating heater members of Ohmic resistance heating, particularly a kind of double insulation protection electric heating tube.
Background technology
At present, electric heating heater members on the market mainly adopts heating alloy to make electrothermal tube, and heating alloy is the line heat source of high temperature naked light heating, and electric conversion rate is low, and the life-span is short.In recent years, high temperature resistant substrate surface is modified as suitable wide temperature region, the energy-efficient face electrothermal device of the conductive heating layer of stable performance is existing to be produced.Its insulating substrate adopt multiple materials such as pottery, glass, carborundum all can, the surface is sprayed and is oozed modification, its heat efficiency is up to more than 96%, thermal inertia is little, quick heating, the life-span is long, but continuous operation up to ten thousand hours.But only be separated with one deck glass tube as basic insulation between charged position of this heating tube and the medium.Have only one once the Electric radiant Heating Film part of basic insulation just may cause the electric leakage of medium in case unexpected situation is arranged, the person is worked the mischief.
Summary of the invention
The purpose of this utility model is to provide a kind of electric withstand voltage height for the deficiency that solves above-mentioned technology, the double insulation protection electric heating tube that the electric leakage risk is low.
In order to achieve the above object; the double insulation protection electric heating tube that the utility model is designed; it comprises insulating substrate quartz-glass heating tube, conductive exothermal film, silver electrode; at metal tube of heating tube internal sleeve; fill insulant layer between heating tube and the metal tube; two is provided with sealed insulation glue, is enclosed within on the metal tube with the interface of heat transferring medium.Heat transferring medium can flow in metal tube, carries out heat exchange.The conductive exothermal film modification thickness 3-50 micron on quartz-glass heating tube surface.
The double insulation protection electric heating tube that the utility model is designed; except glass tube insulation itself, increased one deck insulating heat-conduction material layer again as supplementary insulation, thereby formed the double insulation electric heating tube; make electric withstand voltage raising greatly, the risk of electric leakage reduces greatly.
Description of drawings
Fig. 1 is an example structure schematic diagram of the present utility model;
Among the figure: 1, heating tube; 2, inner sleeve; 3, insulation material layer; 4, insulating cement; 5, heating film; 6, electrode.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
As shown in Figure 1; double insulation protection electric heating tube of the present utility model; metal tube 2 of cover in existing heating tube 1; heating tube 1 can be a quartz-glass heating tube; metal tube 2 can be a copper tube, and middle fill insulant layer 3 can be a magnesia, and shut with insulating cement 4 at two ends; insulating cement can be 704 silica gel, directly is connected on the metal mouth of pipe with the interface of heat transferring medium.Many one deck insulating heat-conduction material layers form the double insulation protection as supplementary insulation between outer field heating film 5 of heating tube and the heat transferring medium like this, greatly reduce the electric leakage risk of heating tube.
Using method of the present utility model is, heat transferring medium is by the multiple protective electric heating tube, energized, and heating tube produces heat, can heat heated medium (as water, wet goods), reaches efficient heat exchange.
Claims (2)
1, a kind of double insulation protection electric heating tube; it comprises insulating substrate quartz-glass heating tube (1), conductive exothermal film (5) and silver electrode (6); it is characterized in that at heating tube (a 1) metal tube of internal sleeve (2); fill insulant layer (3) between heating tube (1) and the metal tube (2), two is provided with sealed insulation glue (4).
2, double insulation protection electric heating tube according to claim 1 is characterized in that conductive exothermal film (5) the modification thickness 3-50 micron that quartz-glass heating tube (1) is surperficial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101665 CN2783687Y (en) | 2005-04-15 | 2005-04-15 | Electric heating pipe with double insulation protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101665 CN2783687Y (en) | 2005-04-15 | 2005-04-15 | Electric heating pipe with double insulation protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2783687Y true CN2783687Y (en) | 2006-05-24 |
Family
ID=36768666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101665 Expired - Fee Related CN2783687Y (en) | 2005-04-15 | 2005-04-15 | Electric heating pipe with double insulation protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2783687Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256399A (en) * | 2011-05-13 | 2011-11-23 | 黄本香 | Double-insulated heating element for water heater |
| CN105071243A (en) * | 2015-08-19 | 2015-11-18 | 国网山东沂源县供电公司 | Dehumidifying switchgear capable of automatic air intake and discharge |
| CN105392219A (en) * | 2015-11-27 | 2016-03-09 | 江苏源之翼电气有限公司 | Highly efficient electrothermal film heating pipe |
| CN108541090A (en) * | 2017-03-01 | 2018-09-14 | 吴明番 | A kind of intelligent water communication electric heater and production method |
-
2005
- 2005-04-15 CN CN 200520101665 patent/CN2783687Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256399A (en) * | 2011-05-13 | 2011-11-23 | 黄本香 | Double-insulated heating element for water heater |
| CN105071243A (en) * | 2015-08-19 | 2015-11-18 | 国网山东沂源县供电公司 | Dehumidifying switchgear capable of automatic air intake and discharge |
| CN105071243B (en) * | 2015-08-19 | 2018-08-07 | 国网山东沂源县供电公司 | Automatically into air draft dehumidifying switchgear |
| CN105392219A (en) * | 2015-11-27 | 2016-03-09 | 江苏源之翼电气有限公司 | Highly efficient electrothermal film heating pipe |
| CN108541090A (en) * | 2017-03-01 | 2018-09-14 | 吴明番 | A kind of intelligent water communication electric heater and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |