CN201918689U - Novel connector for hot end and cold end of MI (mineral insulated) heating element - Google Patents
Novel connector for hot end and cold end of MI (mineral insulated) heating element Download PDFInfo
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- CN201918689U CN201918689U CN 201020590521 CN201020590521U CN201918689U CN 201918689 U CN201918689 U CN 201918689U CN 201020590521 CN201020590521 CN 201020590521 CN 201020590521 U CN201020590521 U CN 201020590521U CN 201918689 U CN201918689 U CN 201918689U
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Abstract
Disclosed is a novel connector for a hot end and a cold end of an MI (mineral insulated) heating element, belonging to the technical field of cables. The novel connector comprises a cold-end cable and a hot-end cable. The utility model is characterized in that the connector is provided with a shell and filler, and a conductor of the cold-end cable and a conductor of the hot-end cable stretch into a cavity of the shell and are welded together; the filler is filled in the cavity of the shell, and the shell is welded with the cold-end cable and the hot-end cable by high-temperature resistant welding flux respectively; and the shell is provided with an opening, and the opening is sealed by brazing by high-temperature resistant welding flux. The novel connector is reasonable and simple in structure, is easy for manufacturing and has a good service performance. When the connector is used for connecting heating cables, the connecting joint is firm and stable, and the connector is safe and reliable and has long service life.
Description
Technical field
The utility model relates to a kind of cold junction cable of heating cable and the connector of hot junction cable, belongs to the cable technology field.
Background technology
In recent years, because people are to the at home raising of life comfort requirement, indoor temperature was required also from original habitability standard upgrading to amenity standards.Simultaneously, the protection environment has become a fundamental state policy of China, and the social cry of environmental protection and energy saving grows to even greater heights.Therefore increasing to electrically heated demand, cause rush of demand, and the joint of traditional plastics heating cable is very easy bad, changes the cable cost height, causes increasing customer selecting MI heating cable to heating cable.
At the heating of petroleum chemical industry container, technology utilidor, the clear cured de-plugging of crude oil pipeline, storage tank tracing thermal-insulating, condensation, fluid line heat tracing are prevented in oil platform and foreign-going ship deck, aspects such as burning preheating device, nuclear power plant reactor preheating, gas combustion apparatus preheater can only adopt the nickel chromium triangle conductor, the cable of stainless steel, 825 alloys or other metallic sheath, therefore the heating cable joint technology to this type of has proposed very high requirement.
The utility model content
The purpose of this utility model is exactly for satisfying the needs in market, the coupling of the cold and hot end of a kind of novel MI heating element being provided.
The purpose of this utility model is to realize like this, the coupling of the cold and hot end of novel MI heating element, comprise cold junction cable and hot junction cable, it is characterized in that being provided with shell, filler, cold junction cable conductor and hot junction cable conductor stretch in outer shell cavity and are welded together, and filler is filled in the outer shell cavity, and shell and cold junction cable and hot junction cable adopt high temperature resistant scolder to be welded to connect respectively, shell is provided with opening, and opening adopts high temperature resistant scolder sealed with brazing.
Described filler is a magnesia powder.
Be provided with the welding cover on the conductor of described conductor that stretches into the cold junction cable in outer shell cavity and hot junction cable.
The utility model is rational in infrastructure simple, manufactures easily, and serviceability is good.Be used for heating cable and connect, the joint firm stable, safe and reliable, long service life.
Description of drawings
Fig. 1 is the joiner structure schematic diagram of low-temperature heat cable of the present utility model;
Fig. 2 is the joiner structure schematic diagram of heat cable of the present utility model;
Fig. 3 is that the coupling of low-temperature heat cable of the present utility model is used for single-core cable connected mode schematic diagram;
Fig. 4 is that the coupling of low-temperature heat cable of the present utility model is used for twin cable connected mode schematic diagram;
Fig. 5 is that the coupling of heat cable of the present utility model is used for single-core cable connected mode schematic diagram;
Fig. 6 is that the coupling of heat cable of the present utility model is used for twin cable connected mode schematic diagram;
Among the figure: 1 cold junction cable conductor, 2 hot junction cable conductors, 3 sealed with brazing, 4 shells, 5 cold junction cables, 6 hot junction cables, 7 fillers, 8 welding covers.
Embodiment
As shown in Figure 1, the coupling of the low-temperature heat cable of single, double core below 70 ℃, cold junction cable conductor 1 and hot junction cable conductor 2 stretch in shell 4 chambeies and are welded together, and filler 7 adopts magnesia powder to be filled in the outer shell cavity.Shell 4 adopts high temperature resistant scolder to be welded to connect respectively with cold junction cable 5 and hot junction cable 6.Establish opening on the shell, behind the filling magnesia powder (filler), adopt high temperature resistant scolder sealed with brazing 3 in the outer shell cavity.
The coupling of the low-temperature heat cable of single, double core below 70 ℃ is applicable to that cable is constantan core, copper-manganese core, copper sheath hot junction and copper core, the joint of copper sheath cold junction.
The cryocable joint connected mode of single core below 70 ℃ partly is made up of the heating cable of interlude and cold junction fireproof cable, terminal, the cold and hot end connector at two ends as shown in Figure 3.
The cryocable joint connected mode of twin-core below 70 ℃ has terminal protection part, the heating cable of interlude, the cold and hot end connector part of an end, terminal, the cold junction fireproof cable of afterbody as shown in Figure 4.
As shown in Figure 2, the coupling of the heat cable of single, double core below 600 ℃, cold junction cable conductor 1 and hot junction cable conductor 2 stretch in shell 4 chambeies, cover welding cover 8 on cold junction cable conductor and the hot junction cable conductor, cold junction cable conductor 1 and hot junction cable conductor 2 are welded together by the welding cover, and filler 7 is filled in the outer shell cavity.Shell 4 adopts high temperature resistant scolder to be welded to connect respectively with cold junction cable 5 and hot junction cable 6.Establish opening on the shell, behind the filling filler, adopt high temperature resistant scolder sealed with brazing 3 in the outer shell cavity.
The coupling of the heat cable of single, double core below 600 ℃ is applicable to that cable is nickel chromium triangle or copper-manganese or constantan core, the metallic sheath of stainless steel or 825 alloys and the joint of cold junction.
The heat cable joint of single core below 600 ℃ connects as shown in Figure 5, is made up of the heating cable of interlude and excessive end and hot junction joint, cold junction and excessive end coupling joint, terminal, the cold junction cable at two ends.
The heat cable joint of twin-core below 600 ℃ connects as shown in Figure 6, and the heating cable of terminal protection part, the interlude of afterbody, excessively end and hot junction joint, excessively end and cold junction coupling joint, terminal, cold junction cable are arranged.
Claims (3)
1. the coupling of the cold and hot end of novel MI heating element, comprise cold junction cable and hot junction cable, it is characterized in that being provided with shell, filler, cold junction cable conductor and hot junction cable conductor stretch in outer shell cavity and are welded together, filler is filled in the outer shell cavity, shell and cold junction cable and hot junction cable adopt high temperature resistant scolder to be welded to connect respectively, and shell is provided with opening, and opening adopts high temperature resistant scolder sealed with brazing.
2. the coupling of the cold and hot end of novel MI heating element according to claim 1 is characterized in that described filler is a magnesia powder.
3. the coupling of the cold and hot end of novel MI heating element according to claim 1 is characterized in that being provided with the welding cover on the conductor of described conductor that stretches into the cold junction cable in outer shell cavity and hot junction cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020590521 CN201918689U (en) | 2010-10-25 | 2010-10-25 | Novel connector for hot end and cold end of MI (mineral insulated) heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020590521 CN201918689U (en) | 2010-10-25 | 2010-10-25 | Novel connector for hot end and cold end of MI (mineral insulated) heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918689U true CN201918689U (en) | 2011-08-03 |
Family
ID=44418479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020590521 Expired - Fee Related CN201918689U (en) | 2010-10-25 | 2010-10-25 | Novel connector for hot end and cold end of MI (mineral insulated) heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918689U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368125A (en) * | 2013-07-25 | 2013-10-23 | 许杭旭 | Sealing structure of conducting line lead in closed structure |
| CN103945583A (en) * | 2014-05-08 | 2014-07-23 | 博太科防爆设备（上海）有限公司 | Fireproof mineral insulation heating cable loop structure and manufacturing method thereof |
| CN104540253A (en) * | 2014-12-18 | 2015-04-22 | 博太科防爆设备（上海）有限公司 | Dual-core fireproof mineral insulated heating cable circuit structure and manufacturing method thereof |
| CN106099602A (en) * | 2016-07-08 | 2016-11-09 | 上海安捷防火智能电缆有限公司 | A kind of welding procedure of mineral insulated cable |
| CN110932049A (en) * | 2019-11-15 | 2020-03-27 | 东莞市输变电工程公司 | Combustion connection method for cable |
-
2010
- 2010-10-25 CN CN 201020590521 patent/CN201918689U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368125A (en) * | 2013-07-25 | 2013-10-23 | 许杭旭 | Sealing structure of conducting line lead in closed structure |
| CN106207936A (en) * | 2013-07-25 | 2016-12-07 | 杭州余杭晶凌喷泉设备厂 | The sealing structure of conductor leading in closed structure |
| CN106253194A (en) * | 2013-07-25 | 2016-12-21 | 杭州余杭晶凌喷泉设备厂 | The sealing structure of conductor leading in closed structure |
| CN103368125B (en) * | 2013-07-25 | 2017-02-15 | 杭州余杭晶凌喷泉设备厂 | Sealing structure of conducting line lead in closed structure |
| CN106253194B (en) * | 2013-07-25 | 2017-10-17 | 杭州余杭晶凌喷泉设备厂 | The sealing structure of conductor leading in closed structure |
| CN106207936B (en) * | 2013-07-25 | 2017-10-17 | 杭州余杭晶凌喷泉设备厂 | The sealing structure of conductor leading in closed structure |
| CN103945583A (en) * | 2014-05-08 | 2014-07-23 | 博太科防爆设备（上海）有限公司 | Fireproof mineral insulation heating cable loop structure and manufacturing method thereof |
| CN104540253A (en) * | 2014-12-18 | 2015-04-22 | 博太科防爆设备（上海）有限公司 | Dual-core fireproof mineral insulated heating cable circuit structure and manufacturing method thereof |
| CN106099602A (en) * | 2016-07-08 | 2016-11-09 | 上海安捷防火智能电缆有限公司 | A kind of welding procedure of mineral insulated cable |
| CN110932049A (en) * | 2019-11-15 | 2020-03-27 | 东莞市输变电工程公司 | Combustion connection method for cable |
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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: 20110803 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |