CN104797018A - Electric heating tube provided with embedded temperature protection device - Google Patents
Electric heating tube provided with embedded temperature protection device Download PDFInfo
- Publication number
- CN104797018A CN104797018A CN201510041830.3A CN201510041830A CN104797018A CN 104797018 A CN104797018 A CN 104797018A CN 201510041830 A CN201510041830 A CN 201510041830A CN 104797018 A CN104797018 A CN 104797018A
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- China
- Prior art keywords
- heating tube
- eduction rod
- protection device
- contact
- rear end
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Abstract
The invention relates to the technical field of heaters. An electric heating tube provided with an embedded temperature protection device comprises a heating tube, wherein a heat protection device is included in the heating tube and is located at the end of the heating tube. The heating tube is provided with a second leading-out bar, the second leading-out bar comprises a second leading-out bar front section and a second leading-out bar rear section. The front end of the second leading-out bar front section is connected with the rear end of a first leading-out bar, and the front end of the first leading-out bar extends out of the left end of the heating tube. The rear end of the second leading-out bar front section is connected with the front end of the second leading-out bar rear section through a heat protection device, and the rear end of the second leading-out bar rear section extends out of the right end of the heating tube. The heat protection device is located at the end of the heating tube, timely cutting off can be performed after set temperature is reached, high temperature or temperature is prevented from continuously rising by cutting off a current channel in the electric heating tube, and further device over-burning or damage caused by too high temperature of the electric heating tube can be avoided.
Description
Technical field
The present invention relates to heater technical field, be specifically related to electric heating tube.
Background technology
If air conditioner heating tube temperature is too high, there is potential safety hazard in the easy booster of heating tube on the one hand, and high temperature easily causes burning of equipment or damages on the other hand.
Summary of the invention
The object of the present invention is to provide a kind of electric heating tube being provided with embedded temperature protective device, to solve the problem.
Be provided with the electric heating tube of embedded temperature protective device, comprise a heating tube, it is characterized in that, include a thermel protection device in described heating tube, described thermel protection device is positioned at the end of heating tube;
Described heating tube is provided with one second eduction rod, and described second eduction rod comprises one second eduction rod leading portion, the second eduction rod back segment;
The front end of described second eduction rod leading portion connects the rear end of one first eduction rod by a heating wire, the front end of described first eduction rod is stretched out by the left end of described heating tube;
The rear end of described second eduction rod leading portion connects the front end of described second eduction rod back segment by a thermel protection device, the rear end of described second eduction rod back segment is stretched out by described heating tube right-hand member.
Thermel protection device is arranged on electric heating tube end by the present invention; can cut off in time after reaching design temperature; by cutting off the current channel in electric heating tube, avoid high temperature to continue or temperature continues to rise, and then the too high equipment burnout that causes of electric heating tube temperature or damage can be avoided.
The break-off signal of described thermel protection device is preferably 200 degrees Celsius to 600 degrees Celsius.
As a kind of preferred version, described thermel protection device comprises the shell of an isolation material, described in described shell, shell is included in heating tube, about two two metal contact pieces of arranging are provided with in described shell, one of them contact connects the rear end of described second eduction rod leading portion, and another contact connects the front end of described second eduction rod back segment; At least there is the coincidence of 1mm in the orthographic projection of two contacts.In two metal contact pieces, at least one is bimetal leaf, can two be bimetal leaf simultaneously.Bimetal leaf class thermel protection device is when temperature is too high, and metal contact piece is out of shape, and in heating tube, current channel is cut-off.
As another kind of preferred version; described thermel protection device comprises the shell of an isolation material; described shell is included in heating tube; a spring structure is provided with in described shell; the rear end of described second eduction rod leading portion connects a contact A; described spring at front end connects a contact B, and the front end of described second eduction rod back segment connects the rear end of described spring, and described spring is the spring that memorial alloy is made.Contact with contact B at camber of spring front contact A, after described spring temperature distortion, contact A and contact B are cut off.After falling at temperature, hand reset, in heating tube, current channel is switched on again.
As another kind of preferred version; described thermel protection device comprises the shell of an isolation material; described shell is included in heating tube; be provided with one in described shell and form spiral helical form body by bimetal leaf or memorial alloy coiling; the rear end of described second eduction rod leading portion connects a contact C; the front end of described helical form body connects a contact D; the front end of described second eduction rod back segment connects the rear end of described helical form body; helical form body deformability front contact C contacts with contact D; after the temperature distortion of described helical form body, contact C and contact D is cut off.When adopting bimetal leaf, after falling at temperature, helical form body restores, and in heating tube, current channel is switched on again.When adopting memorial alloy, contact with contact D at helical form body deformability front contact C, after the temperature distortion of described helical form body, contact C and contact D is cut off, and after falling at temperature, hand reset, in heating tube, current channel is switched on again.
As another kind of preferred version, described thermel protection device comprises the shell of an isolation material, described shell is included in heating tube, a magnet ring structure is provided with in described shell, the rear end of described second eduction rod leading portion connects a contact E, the front end of described second eduction rod back segment connects a contact F, one grade of head is had in the middle part of described second eduction rod back segment, a hole is had in the middle of described magnet ring, the second described eduction rod back segment is by the hole of described magnet ring, a spring is provided with in the middle of described magnet ring and described second eduction rod back segment shelves head, the two ends of described spring push down magnet ring and shelves head respectively.Described magnet ring can lose magnetism after temperature rises, and described second eduction rod back segment is backed down under spring force, and contact E and contact F is cut off.After temperature declines, described magnet ring recovers magnetic, and electrothermal tube need be compressed into by external force in the rear end of the second eduction rod back segment, and contact E contacts again with contact F.
As another kind of preferred version; described thermel protection device comprises the shell of an isolation material; described shell is insulating property (properties); described shell is included in heating tube; a thermal cut-off is had in described shell; the rear end of described second eduction rod leading portion connects fuse front end, and described thermal cut-off rear end connects the front end of the second eduction rod back segment.Described thermal cut-off, when temperature is too high, fuses in time, cuts off current circuit.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of a kind of structure of the present invention;
Fig. 2 is the part-structure schematic diagram of the another kind of structure of the present invention;
Fig. 3 is the part-structure schematic diagram of the another kind of structure of the present invention;
Fig. 4 is the part-structure schematic diagram of the another kind of structure of the present invention;
Fig. 5 is the part-structure schematic diagram of the another kind of structure of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, be provided with the electric heating tube of embedded temperature protective device, comprise a heating tube, include a thermel protection device in heating tube, thermel protection device is positioned at the end of heating tube; Heating tube is provided with one second eduction rod 3, second eduction rod and comprises one second eduction rod leading portion 3, second eduction rod back segment 4; The front end of the second eduction rod leading portion 3 connects the rear end of one first eduction rod 1 by a heating wire 2, the front end of the first eduction rod 1 is stretched out by the left end of heating tube; The rear end of the second eduction rod leading portion 3 connects the front end of the second eduction rod back segment 4 by a thermel protection device, the rear end of the second eduction rod back segment 4 is stretched out by heating tube right-hand member.Thermel protection device is arranged on electric heating tube end by the present invention; can cut off in time after reaching design temperature; by cutting off the current channel in electric heating tube, avoid high temperature to continue or temperature continues to rise, and then the too high equipment burnout that causes of electric heating tube temperature or damage can be avoided.The break-off signal of thermel protection device is preferably 200 degrees Celsius to 600 degrees Celsius.
Specific embodiment 1, with reference to Fig. 1, thermel protection device comprises the shell of an isolation material, shell is included in heating tube, about two two metal contact pieces of arranging are provided with in shell, one of them contact connects the rear end of the second eduction rod leading portion, and another contact connects the front end of the second eduction rod back segment; At least there is the coincidence of 1mm in the orthographic projection of two contacts.In two metal contact pieces, at least one is bimetal leaf, the metal contact piece of the rear end of preferred connection second eduction rod leading portion is fixing metal sheet 5, connect the second eduction rod back segment the metal contact piece of front end be bimetal leaf, to facilitate maintenance and the adjustment of bimetal leaf.Can certainly two be bimetal leaf simultaneously.Bimetal leaf class thermel protection device is when temperature is too high, and metal contact piece is out of shape, and in heating tube, current channel is cut-off.
Specific embodiment 2; with reference to Fig. 2; thermel protection device comprises the shell of an isolation material; shell is included in heating tube; be provided with spring 6 structure in shell, the rear end of the second eduction rod leading portion connects a contact A, and spring 6 front end connects a contact B; the rear end of the front end linking springs of the second eduction rod back segment, spring 6 is springs that memorial alloy is made.Contact with contact B at camber of spring front contact A, after spring temperature distortion, contact A and contact B are cut off.After falling at temperature, hand reset, in heating tube, current channel is switched on again.
Specific embodiment 3; with reference to Fig. 3; thermel protection device comprises the shell of an isolation material; shell is included in heating tube; be provided with one in shell and form spiral helical form body 7 by bimetal leaf or memorial alloy coiling; the rear end of the second eduction rod leading portion connects a contact C; the front end of helical form body 7 connects a contact D; the front end of the second eduction rod back segment connects the rear end of helical form body 7; helical form body 7 is out of shape front contact C and contacts with contact D; after helical form body 7 temperature distortion, contact C and contact D is cut off.When adopting bimetal leaf, after falling at temperature, helical form body restores, and in heating tube, current channel is switched on again.When adopting memorial alloy, contact with contact D at helical form body deformability front contact C, after the temperature distortion of helical form body, contact C and contact D is cut off, and after falling at temperature, hand reset, in heating tube, current channel is switched on again.
Specific embodiment 4; with reference to Fig. 4; thermel protection device comprises the shell of an isolation material; shell is included in heating tube; magnet ring 8 structure is provided with in shell; the rear end of the second eduction rod leading portion connects a contact E; the front end of the second eduction rod back segment connects a contact F; one grade 9 is had in the middle part of second eduction rod back segment; magnet ring 8 in the middle of have a hole; the second eduction rod back segment by the hole of magnet ring 8, be provided with a spring in the middle of magnet ring 8 and the second eduction rod back segment shelves 9, magnet ring 8 and shelves 9 are pushed down at the two ends of spring respectively.Magnet ring 8 can lose magnetism after temperature rises, and the second eduction rod back segment is backed down under spring force, and contact E and contact F is cut off.After temperature declines, magnet ring recovers magnetic, and electrothermal tube need be compressed into by external force in the rear end of the second eduction rod back segment, and contact E contacts again with contact F.
Specific embodiment 5; with reference to Fig. 5; thermel protection device comprises the shell of an isolation material; shell is insulating property (properties); shell is included in heating tube; have the rear end of thermal cut-off 10, a second eduction rod leading portion to connect fuse 10 front end in shell, thermal cut-off 10 rear end connects the front end of the second eduction rod back segment.Thermal cut-off, when temperature is too high, fuses in time, cuts off current circuit.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (9)
1. be provided with the electric heating tube of embedded temperature protective device, comprise a heating tube, it is characterized in that, include a thermel protection device in described heating tube, described thermel protection device is positioned at the end of heating tube;
Described heating tube is provided with one second eduction rod, and described second eduction rod comprises one second eduction rod leading portion, the second eduction rod back segment;
The front end of described second eduction rod leading portion connects the rear end of one first eduction rod by a heating wire, the front end of described first eduction rod is stretched out by the left end of described heating tube;
The rear end of described second eduction rod leading portion connects the front end of described second eduction rod back segment by a thermel protection device, the rear end of described second eduction rod back segment is stretched out by described heating tube right-hand member.
2. the electric heating tube being provided with embedded temperature protective device according to claim 1, is characterized in that: the break-off signal of described thermel protection device is 200 degrees Celsius to 600 degrees Celsius.
3. a kind of preferred structure being provided with the electric heating tube of embedded temperature protective device according to claim 2; it is characterized in that: described thermel protection device comprises a shell; about two two sheet metals of arranging are provided with in described shell; one of them sheet metal connects the rear end of described second eduction rod leading portion, and another sheet metal connects the front end of described second eduction rod back segment.
4. a kind of preferred structure being provided with the electric heating tube of embedded temperature protective device according to claim 3, is characterized in that: described two sheet metals are made up of a fixing metal sheet and a bimetal leaf.
5. a kind of preferred structure being provided with the electric heating tube of embedded temperature protective device according to claim 3, is characterized in that: described two sheet metals are all bimetal leafs.
6. the electric heating tube being provided with embedded temperature protective device according to claim 1; optional another kind of scheme; it is characterized in that: described thermel protection device comprises a shell; a spring structure is provided with in described shell; the rear end of described second eduction rod leading portion connects a contact A; described spring at front end connects a contact B, and the front end of described second eduction rod back segment connects the rear end of described spring, and described spring is the spring that memorial alloy is made.
7. the electric heating tube being provided with embedded temperature protective device according to claim 1; optional another kind of scheme; it is characterized in that: described thermel protection device comprises a shell; be provided with one in described shell and form spiral helical form body by bimetal leaf or memorial alloy coiling; the rear end of described second eduction rod leading portion connects a contact C; the front end of described helical form body connects a contact D; the front end of described second eduction rod back segment connects the rear end of described helical form body, and helical form body deformability front contact C contacts with contact D.
8. the electric heating tube being provided with embedded temperature protective device according to claim 1, optional another kind of scheme, it is characterized in that: described thermel protection device comprises a shell, a magnet ring structure is provided with in described shell, the rear end of described second eduction rod leading portion connects a contact E, the front end of described second eduction rod back segment connects a contact F, one grade of head is had in the middle part of described second eduction rod back segment, a hole is had in the middle of described magnet ring, the second described eduction rod back segment is by the hole of described magnet ring, a spring is provided with in the middle of described magnet ring and described second eduction rod back segment shelves head, the two ends of described spring push down magnet ring and shelves head respectively.
9. the electric heating tube being provided with embedded temperature protective device according to claim 1; optional another kind of scheme; it is characterized in that: described thermel protection device comprises a shell; a thermal cut-off is had in described shell; the rear end of described second eduction rod leading portion connects fuse front end, and described thermal cut-off rear end connects the front end of the second eduction rod back segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041830.3A CN104797018A (en) | 2015-01-27 | 2015-01-27 | Electric heating tube provided with embedded temperature protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041830.3A CN104797018A (en) | 2015-01-27 | 2015-01-27 | Electric heating tube provided with embedded temperature protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104797018A true CN104797018A (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041830.3A Pending CN104797018A (en) | 2015-01-27 | 2015-01-27 | Electric heating tube provided with embedded temperature protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104797018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300424A (en) * | 2016-04-15 | 2017-10-27 | 通用汽车环球科技运作有限责任公司 | Can reseting sensor component and system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066219U (en) * | 1989-07-04 | 1990-11-21 | 万长荣 | Automatic protecting electric warming tube |
| CN2563880Y (en) * | 2002-07-08 | 2003-07-30 | 河合电器(杭州)有限公司 | Electric heating tube with built-in heat fuse |
| US20090261089A1 (en) * | 2008-04-17 | 2009-10-22 | Long-Huang Chang | Heating device having dual-core heating cable |
| CN201403219Y (en) * | 2009-03-24 | 2010-02-10 | 杨智慧 | Electric heating tube of internally-arranged thermal fuse |
| CN202353833U (en) * | 2011-10-21 | 2012-07-25 | 高要市金田电热有限公司 | Heating tube of dual-fuse structure |
| CN202513077U (en) * | 2012-01-06 | 2012-10-31 | 朝阳百事特乐电子科技有限公司 | Temperature protector with repeated memory capability |
| CN202759602U (en) * | 2012-03-19 | 2013-02-27 | 章冠英 | Electric heating pipe with built-in thermal link |
| CN202979335U (en) * | 2012-11-16 | 2013-06-05 | 杭州佐帕斯工业有限公司 | Electric heating tube with overheat protector and two ends pressed hermetically |
| CN203607823U (en) * | 2013-12-02 | 2014-05-21 | 沪光集团(安徽)电气有限公司 | Dry-type transformer coil short circuit protector |
| CN204538660U (en) * | 2015-01-27 | 2015-08-05 | 上海华族实业有限公司 | Embedded temperature protective device |
-
2015
- 2015-01-27 CN CN201510041830.3A patent/CN104797018A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066219U (en) * | 1989-07-04 | 1990-11-21 | 万长荣 | Automatic protecting electric warming tube |
| CN2563880Y (en) * | 2002-07-08 | 2003-07-30 | 河合电器(杭州)有限公司 | Electric heating tube with built-in heat fuse |
| US20090261089A1 (en) * | 2008-04-17 | 2009-10-22 | Long-Huang Chang | Heating device having dual-core heating cable |
| CN201403219Y (en) * | 2009-03-24 | 2010-02-10 | 杨智慧 | Electric heating tube of internally-arranged thermal fuse |
| CN202353833U (en) * | 2011-10-21 | 2012-07-25 | 高要市金田电热有限公司 | Heating tube of dual-fuse structure |
| CN202513077U (en) * | 2012-01-06 | 2012-10-31 | 朝阳百事特乐电子科技有限公司 | Temperature protector with repeated memory capability |
| CN202759602U (en) * | 2012-03-19 | 2013-02-27 | 章冠英 | Electric heating pipe with built-in thermal link |
| CN202979335U (en) * | 2012-11-16 | 2013-06-05 | 杭州佐帕斯工业有限公司 | Electric heating tube with overheat protector and two ends pressed hermetically |
| CN203607823U (en) * | 2013-12-02 | 2014-05-21 | 沪光集团(安徽)电气有限公司 | Dry-type transformer coil short circuit protector |
| CN204538660U (en) * | 2015-01-27 | 2015-08-05 | 上海华族实业有限公司 | Embedded temperature protective device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300424A (en) * | 2016-04-15 | 2017-10-27 | 通用汽车环球科技运作有限责任公司 | Can reseting sensor component and system |
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| C06 | Publication | ||
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| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170406 Address after: 241000 Anhui city of Wuhu province Jiujiang Economic Development Zone prosperous road No. 19 Applicant after: Wuhu Chinese environmental technology Limited by Share Ltd Address before: 201404 Shanghai city Fengxian District Jinhui town Pu Xing Road No. 5518 Applicant before: Shanghai Huazu Industrial Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
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| RJ01 | Rejection of invention patent application after publication |