CN104066214B - Electric heating tube head encapsulating method - Google Patents
Electric heating tube head encapsulating method Download PDFInfo
- Publication number
- CN104066214B CN104066214B CN201410249985.1A CN201410249985A CN104066214B CN 104066214 B CN104066214 B CN 104066214B CN 201410249985 A CN201410249985 A CN 201410249985A CN 104066214 B CN104066214 B CN 104066214B
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- CN
- China
- Prior art keywords
- electric heating
- heating tube
- metal outer
- outer pipe
- center conductor
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- 238000005485 electric heating Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims description 14
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The present invention relates to a kind of modular construction of electric heater unit, specifically a kind of electric heating tube head multifunctional protection connector.It comprises pipe joint and sealed tube assembly; Described sealed tube assembly comprises one section of metal outer pipe and is positioned at the center conductor at metal outer pipe center, center conductor one end has the structure that can be connected with electric heating tube exit conductor, and the center conductor other end has the eduction rod that can be connected with external power source; Sealed by the sealing shroud of polytetrafluoroethylmaterial material between center conductor and metal outer pipe and fill; The tube-like envelope of metal outer pipe and electric heating tube can be tightly connected by described pipe joint.The present invention can effectively prevent medium from leaking from electric heating tube inner core; Overcurrent protection can be carried out to single electric heating tube; Effectively prevent external humidification from entering electric heating tube inner core, ensure that the insulation property of dielectric.
Description
Technical field
The present invention relates to a kind of modular construction of electric heater unit, specifically a kind of electric heating tube head multifunctional protection connector and electric heating tube head encapsulating method method.
Background technology
Adopt in the electric heater of electric heating tube, the end of electric heating tube is connected with the power supply terminal in terminal box by eduction rod usually, and the usual and window wallboard of the tube-like envelope of electric heating tube is tightly connected, to ensure that in container, heated medium can not leak.There is following defect in the mounting means of existing this electric heating tube: 1, in actual use, the part electric heating tube shell being positioned at container may produce because of overheated and break, heated medium may enter in electric heating tube shell, oozed out from electrothermal tube end by the heat conductive insulating medium (as magnesia powder) in shell again, cause material from leakage; 2, for some powerful industrial electro heaters; it adopts the electric heating tube of a greater number to work usually simultaneously; the overall current of all electric heating tubes is only monitored in overcurrent protection due to electric heater usually; therefore when single electric heating tube overcurrent; Over Current Protection System is difficult to Timeliness coverage and protection, causes electric heating tube overcurrent damage.
Summary of the invention
The present invention want technical solution problem to be, provide a kind of can improve electric heating tube head sealing, prevent heated medium from leaking from the heat conductive insulating dielectric layer of electric heating tube inner core, electric heating tube head multifunctional protection connector and the electric heating tube head encapsulating method of overcurrent protection can be carried out single electric heating tube.
Electric heating tube multifunctional protection connector of the present invention comprises pipe joint and sealed tube assembly; Described sealed tube assembly comprises one section of metal outer pipe and is positioned at the center conductor at metal outer pipe center, center conductor one end has the structure that can be connected with electric heating tube exit conductor, and the center conductor other end has the eduction rod that can be connected with external power source; Sealed by the sealing shroud of polytetrafluoroethylmaterial material between center conductor and metal outer pipe and fill; The tube-like envelope of metal outer pipe and electric heating tube can be tightly connected by described pipe joint.
Described center conductor is by contact rod before leading portion, form at the rear contact rod of back segment and the fuse before being connected between contact rod and rear contact rod, and front contact rod can connect the exit of electric heating tube, and rear contact rod rear end is described eduction rod.
Described fuse outer race has the inner sleeve of one section of polytetrafluoroethylmaterial material, and inner sleeve is positioned at sealing shroud.
Described fuse is coil spring shape, makes it stretch by axial elasticity.
Described pipe joint is known clamping sleeve blow-out patch.
Electric heating tube head encapsulating method of the present invention comprises the following steps:
Be enclosed within by the inner sleeve of one section of polytetrafluoroethylmaterial material on one section of fuse, fuse two ends crimp with front contact rod and rear contact rod and are connected, and form center conductor; Center conductor is inserted one section of polytetrafluoroethylmaterial material sealing shroud, sealing shroud and forward and backward contact rod matched in clearance; The sealing shroud being plugged center conductor is inserted in one section of metal outer pipe, sealing shroud and metal outer pipe matched in clearance; Undergauge equipment carries out undergauge process, crush seal cover to the metal outer pipe after insertion sealing shroud, sealing shroud is sealed and is filled between forward and backward contact rod and metal outer pipe; The tubular shell end of the metal outer pipe after undergauge process and electric heating tube is inserted from the two ends of pipe joint, electric heating tube exit conductor and front contact rod are threaded connection simultaneously, are then tightly connected by the tubular shell of pipe joint by metal outer pipe and electric heating tube.
Advantage applies of the present invention exists: 1, can carry out positiver sealing to the tube head of electric heating tube, effectively prevents medium from adding inner core from electricity and leaks; 2, by built-in fuse, overcurrent protection can be carried out to single electric heating tube; 3, by the sealing shroud of undergauge extruding polytetrafluoroethylmaterial material, realize the sealing of tube head inner core, effectively prevent external humidification from entering electric heating tube inner core, ensure that the insulation property of dielectric.
Accompanying drawing explanation
Fig. 1 is the vertical section structure schematic diagram of the electric heating tube multifunctional protection connector of the embodiment of the present invention.
Embodiment
As shown in the figure, the embodiment of electric heating tube multifunctional protection connector of the present invention comprises pipe joint 1 and sealed tube assembly 2; Described sealed tube assembly comprises one section of metal outer pipe 21 and is positioned at the center conductor 22 at metal outer pipe center, center conductor one end has the structure that can be connected with electric heating tube exit conductor, and the center conductor other end has the eduction rod 23 that can be connected with external power source; Filling is sealed by the sealing shroud 24 of polytetrafluoroethylmaterial material between center conductor 22 and metal outer pipe 21; Pipe joint 1(can adopt known ferrule-type compression joint) tube-like envelope of metal outer pipe 21 with electric heating tube 3 can be tightly connected.Center conductor 22 is by contact rod before leading portion 221, form at the rear contact rod 222 of back segment and the fuse 223 before being connected between contact rod and rear contact rod, front contact rod 221 can connect the exit of electric heating tube, and rear contact rod 222 rear end is described eduction rod 223.Fuse 223 outer race has the inner sleeve 25 of one section of polytetrafluoroethylmaterial material, and inner sleeve is positioned at sealing shroud 24.Fuse 223 is coil spring shape, makes it stretch by axial elasticity.Described pipe joint 1 is known clamping sleeve blow-out patch.
Electric heating tube head encapsulating method embodiment of the present invention comprises the following steps:
Be enclosed within by the inner sleeve of one section of polytetrafluoroethylmaterial material on one section of fuse, fuse two ends crimp with front contact rod and rear contact rod and are connected, and form center conductor; Center conductor is inserted one section of polytetrafluoroethylmaterial material sealing shroud, sealing shroud and forward and backward contact rod matched in clearance; The sealing shroud being plugged center conductor is inserted in one section of metal outer pipe, sealing shroud and metal outer pipe matched in clearance; Undergauge equipment carries out undergauge process, crush seal cover to the metal outer pipe after insertion sealing shroud, sealing shroud is sealed and is filled between forward and backward contact rod and metal outer pipe; The tubular shell end of the metal outer pipe after undergauge process and electric heating tube is inserted from the two ends of pipe joint, electric heating tube exit conductor and front contact rod are threaded connection simultaneously, are then tightly connected by the tubular shell of pipe joint by metal outer pipe and electric heating tube.
Claims (1)
1. an electric heating tube head encapsulating method, is characterized in that: comprise the following steps successively:
By inner sleeve (25) pipe box of one section of polytetrafluoroethylmaterial material on one section of fuse (223), fuse two ends crimp with front contact rod (221) and rear contact rod (222) and are connected, and form center conductor; Center conductor is inserted one section of polytetrafluoroethylmaterial material sealing shroud (24), sealing shroud and forward and backward contact rod matched in clearance; The sealing shroud being plugged center conductor is inserted in one section of metal outer pipe (21), sealing shroud and metal outer pipe matched in clearance; Metal outer pipe after the above-mentioned insertion sealing shroud of undergauge equipment carries out undergauge process, crush seal cover, sealing shroud is sealed and is filled between forward and backward contact rod and metal outer pipe; The tubular shell A end of the metal outer pipe (21) after undergauge process and electric heating tube is inserted from the two ends of pipe joint (1), electric heating tube exit conductor and front contact rod are threaded connection simultaneously, are then tightly connected by the tubular shell of pipe joint by metal outer pipe and electric heating tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249985.1A CN104066214B (en) | 2014-06-06 | 2014-06-06 | Electric heating tube head encapsulating method |
| PCT/CN2014/093091 WO2015184755A1 (en) | 2014-06-06 | 2014-12-05 | Multi-functional protection connector for tube end of electric heating tube and sealing method for tube end of electric heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249985.1A CN104066214B (en) | 2014-06-06 | 2014-06-06 | Electric heating tube head encapsulating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104066214A CN104066214A (en) | 2014-09-24 |
| CN104066214B true CN104066214B (en) | 2015-12-30 |
Family
ID=51553684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410249985.1A Active CN104066214B (en) | 2014-06-06 | 2014-06-06 | Electric heating tube head encapsulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104066214B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015184755A1 (en) * | 2014-06-06 | 2015-12-10 | 镇江东方电热有限公司(中外合资) | Multi-functional protection connector for tube end of electric heating tube and sealing method for tube end of electric heating tube |
| CN104244478A (en) * | 2014-10-13 | 2014-12-24 | 安庆三维电器有限公司 | Electrically-heated pipe for defrosting evaporator in refrigerator |
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN112911740A (en) * | 2021-01-26 | 2021-06-04 | 郑剑锋 | Electric heating tube insulation sealing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06267641A (en) * | 1993-03-10 | 1994-09-22 | Kawai Denki Seisakusho:Kk | Sheath heater with temperature fuse subjected to bending process and its manufacture |
| CN101400194A (en) * | 2007-09-29 | 2009-04-01 | 江苏顺发电热材料有限公司 | Built-in double safety washing machine heating pipe and machining method thereof |
| CN201752143U (en) * | 2010-07-20 | 2011-02-23 | 镇江市沪扬电器成套有限公司 | Electric-heating pipe and cable connecting apparatus |
| CN203548884U (en) * | 2013-11-11 | 2014-04-16 | 杭州河合电器股份有限公司 | Electric heating pipe sealing structure for washing machine |
| CN203912225U (en) * | 2014-06-06 | 2014-10-29 | 镇江东方电热有限公司(中外合资) | Multifunctional protective connector for electric heating pipe head |
-
2014
- 2014-06-06 CN CN201410249985.1A patent/CN104066214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06267641A (en) * | 1993-03-10 | 1994-09-22 | Kawai Denki Seisakusho:Kk | Sheath heater with temperature fuse subjected to bending process and its manufacture |
| CN101400194A (en) * | 2007-09-29 | 2009-04-01 | 江苏顺发电热材料有限公司 | Built-in double safety washing machine heating pipe and machining method thereof |
| CN201752143U (en) * | 2010-07-20 | 2011-02-23 | 镇江市沪扬电器成套有限公司 | Electric-heating pipe and cable connecting apparatus |
| CN203548884U (en) * | 2013-11-11 | 2014-04-16 | 杭州河合电器股份有限公司 | Electric heating pipe sealing structure for washing machine |
| CN203912225U (en) * | 2014-06-06 | 2014-10-29 | 镇江东方电热有限公司(中外合资) | Multifunctional protective connector for electric heating pipe head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104066214A (en) | 2014-09-24 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATER Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230228 Address after: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140924 Assignee: Jiangsu Oriental Ruiji Energy Equipment Co.,Ltd. Assignor: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Contract record no.: X2024320000007 Denomination of invention: Sealing method for electric heating tube head Granted publication date: 20151230 License type: Common License Record date: 20240228 |