CN101527405A - Cold end connecting device for heating cable and connecting method thereof - Google Patents
Cold end connecting device for heating cable and connecting method thereof Download PDFInfo
- Publication number
- CN101527405A CN101527405A CN200810034188A CN200810034188A CN101527405A CN 101527405 A CN101527405 A CN 101527405A CN 200810034188 A CN200810034188 A CN 200810034188A CN 200810034188 A CN200810034188 A CN 200810034188A CN 101527405 A CN101527405 A CN 101527405A
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- heating cable
- jockey
- cold end
- sleeve
- end line
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Abstract
The invention relates to a cold end connecting device for a heating cable and a connecting method thereof. The cold end connecting device for the heating cable comprises a sealable tank and a damp-proof packing material filled in the sealable tank. The method for connecting the heating cable and a cold end line by the device comprises the following steps: firstly, peeling the head of the heating cable and the head of the cold end line, cleaning and sealing the heating cable and the cold end line, and welding core wires of the heating cable and the cold end line; then, connecting the sealable tank, the core wire of the cold end line and the core wire of the heating cable; filling the dried damp-proof packing material into a sleeve in the sealable tank, and oscillating, shaking and impacting the sealable tank; and finally, covering a cover on the sleeve in the sealable tank, connecting the cover, the sleeve and the heating cable, welding the joint of the cover and the sleeve and the joint of the cover and the heating cable, and winding a high polymer heat-resistant insulating material. The cold end connecting device for the heating cable and the connecting method thereof have the function of damp resistance.
Description
Technical field
The present invention relates to cold junction jockey of a kind of heating cable and attaching method thereof.
Background technology
When mineral insulation heating cable lays, be connected with cold end line by its mineral insulated cable.Cold junction is connection heating cable and power transmission cable excessive a section, generally does the cold junction connecting line with the distribution mineral insulated cable.
For connecting a kind of bindiny mechanism that cold end line and mineral insulation heating cable design.The core technology of bindiny mechanism is hermetically sealed can and filler thereof.Hermetically sealed can is made up of sleeve and lid.The cover tube bottom has a circular hole, and slightly larger in diameter is in the cold junction outside diameter of cable.Also there is an aperture centre of lid, is slightly larger than the heating cable external diameter.The hermetically sealed can bottom is welded on the cold junction cable, pours into dry powder then in hermetically sealed can, vibration shakes up, and dashes tight last cover lid, with the junction welding of lid and tank body and heating cable.Last again at the outside wrapped last layer macromolecule heat-resistant insulation material of whole jockey.As the magnesium oxide that is mostly of tank body filler, still existing magnesium oxide has the shortcoming of the moisture absorption so far, influences the performance of heating cable after this bindiny mechanism's moisture absorption easily.
Summary of the invention
Cold junction jockey that provides a kind of heating cable and attaching method thereof is provided main purpose of the present invention, and cold junction jockey of this heating cable and attaching method thereof has moistureproof function.
For achieving the above object, the invention provides a kind of cold junction jockey of heating cable, it comprises a hermetically sealed can, its substantive distinguishing features is that the cold junction jockey of this heating cable also comprises the moistureproof filler that is filled in the sealing jar.
Preferably, state moistureproof filler and comprise following material: aluminium oxide, silicon dioxide, calcium oxide, iron oxide, boron oxide, manganese dioxide, cupric oxide, magnesium oxide, wherein magnesian content is the highest.
Preferably, described hermetically sealed can is made up of lid and sleeve, and the material of this lid and sleeve is a brass.
Preferably, also there is a hole centre of described lid, and the diameter in this hole is greater than the heating cable external diameter, and described cover tube bottom has a circular hole, and this Circularhole diameter is greater than the cold end line external diameter.
Preferably, described heating cable comprise first heart yearn, uniform ring around this heart yearn the first mineral insulation layer and be enclosed within first metallic sheath this first mineral insulation layer outside, described cold end line comprise second heart yearn, uniform ring around this second heart yearn on every side the second mineral insulation layer and be enclosed within second metallic sheath outside this second mineral insulation layer.
Preferably, described first core line diameter is less than second heart yearn.
Preferably, the materials used of a described heart yearn is constantan or copper-manganese.
Preferably, the materials used of the described first mineral insulation layer and the second mineral insulation layer is a magnesium oxide.
Preferably, the materials used of described first metallic sheath and second metallic sheath is a copper-nickel alloy.
Another technical scheme of the present invention is to provide a kind of cold junction jockey connection heating cable of heating cable and the method for cold end line, its substantive distinguishing features is, it may further comprise the steps: earlier with heating cable and cold end line stripping head, clean out and seal, the heart yearn with heating cable and cold end line welds again; Then hermetically sealed can, cold end line and heating cable heart yearn are connected; The moistureproof filler of drying is circulated in the sleeve in the hermetically sealed can, again hermetically sealed can is vibrated, shake up, dash tight; Cover lid on the last sleeve in hermetically sealed can connects lid, sleeve and heating cable, with the junction welding and the wrapped macromolecule heat-resistant insulation material of lid and sleeve and lid and heating cable.
The present invention is owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect: owing to adopt moistureproof filler in the cold junction jockey of heating cable of the present invention, even have yet nonhygroscopic characteristics under the bad situation of tank body welding, thereby do not influence the performance of heating cable.
Description of drawings
Fig. 1 connects preceding structural representation for the cold junction jockey of heating cable of the present invention.
Fig. 2 is the structural representation after the cold junction jockey of heating cable of the present invention connects.
Embodiment
Below with reference to accompanying drawing cold junction jockey of heating cable of the present invention and attaching method thereof is described in further detail.
The cold junction jockey of heating cable of the present invention connects a heating cable and a cold end line, this heating cable comprises that first heart yearn 5 and uniform ring are around this heart yearn 5 first mineral insulation layer on every side, this first mineral insulation layer is with first metallic sheath 3 outward, one cold end line comprises that second heart yearn 6 and uniform ring are around this heart yearn 6 second mineral insulation layer on every side, this second mineral insulation layer is with second metallic sheath 8 outward, wherein the materials used of first heart yearn 5 is constantan or violent copper, the materials used of second heart yearn 6 is a copper, the materials used of the first mineral insulation layer and the second mineral insulation layer is a magnesium oxide, first heart yearn, 5 diameters of heating cable are less than second heart yearn, 6 diameters of cold end line, the external diameter of heating cable integral body is also less than the entire outer diameter of cold end line, the materials used of first metallic sheath and second metallic sheath is a copper-nickel alloy, in the present invention, the core line diameter of heating cable can adopt 1.2mm, the external diameter of heating cable integral body adopts 3.86mm, the core line diameter of cold end line adopts 2.25mm, and the entire outer diameter of cold end line adopts 5.90mm.The moistureproof filler that the cold junction jockey of this heating cable comprises a hermetically sealed can and is filled in the sealing jar, wherein hermetically sealed can is made up of lid 1 and sleeve 4, the material of lid 1 and sleeve 4 is a brass, one circular hole 7 is arranged at sleeve 4 bottoms, these circular hole 7 slightly larger in diameter are in the cold end line external diameter, but sleeve 4 other end socket lids 1, also there is an aperture 2 centre of lid 1, the slightly larger in diameter of this aperture 2 is in the heating cable external diameter, this protection against the tide filler comprises following material: aluminium oxide, silicon dioxide, calcium oxide, iron oxide, boron oxide, manganese dioxide, cupric oxide, magnesium oxide, wherein magnesian content is the highest, in the present invention, magnesian content is 99.865%, and aluminium oxide is 0.015%, silicon dioxide is 0.060%, calcium oxide is 0.034%, and iron oxide is 0.015, and boron oxide is 0.0080%, manganese dioxide is 0.0024%, and cupric oxide is 0.00040%.
The method that the cold junction jockey of heating cable of the present invention connects heating cable and cold end line may further comprise the steps:
With heating cable and cold end line stripping head, clean out and seal earlier, the heart yearn with heating cable and cold end line welds again;
Then hermetically sealed can, cold end line and heating cable heart yearn are connected;
The moistureproof filler of drying is circulated in the sleeve in the hermetically sealed can, again hermetically sealed can is vibrated, shake up, dash tight;
Cover lid on the last sleeve in hermetically sealed can connects lid, sleeve and heating cable, with the junction welding and the wrapped macromolecule heat-resistant insulation material of lid and sleeve and lid and heating cable.To prevent during welding that impurity from sneaking into tank interior, to reach moistureproof purpose.After jockey connection heating cable and cold end line finished, concrete structure as shown in Figure 2.
Owing to adopt moistureproof filler in the cold junction jockey of heating cable of the present invention,, thereby do not influence the performance of heating cable even have also nonhygroscopic characteristics under the bad situation of tank body welding.In the house, can lay heating cable as heater, adopt the cold junction jockey of heating cable of the present invention to connect heating cable and cold end line, for people's heating of warming oneself.Below airfield runway, can lay heating cable as heater, adopt the cold junction jockey of heating cable of the present invention to connect heating cable and cold end line, can prevent the ice and snow accumulation, runway skids.
That more than introduces only is based on preferred embodiment of the present invention, can not limit scope of the present invention with this.Any the present invention is done replacement, the combination, discrete of step well know in the art, and the invention process step is done well know in the art being equal to change or replace and all do not exceed exposure of the present invention and protection range.
Claims (10)
1. the cold junction jockey of a heating cable, it comprises a hermetically sealed can, it is characterized in that, the cold junction jockey of this heating cable also comprises the moistureproof filler that is filled in the sealing jar.
2. the cold junction jockey of heating cable as claimed in claim 1, it is characterized in that, described moistureproof filler comprises following material: aluminium oxide, silicon dioxide, calcium oxide, iron oxide, boron oxide, manganese dioxide, cupric oxide, magnesium oxide, wherein magnesian content is the highest.
3. the cold junction jockey of heating cable as claimed in claim 1 is characterized in that, described hermetically sealed can is made up of lid and sleeve, and the material of this lid and sleeve is a brass.
4. the cold junction jockey of heating cable as claimed in claim 1 is characterized in that, also there is a hole centre of described lid, and the diameter in this hole is greater than the heating cable external diameter, and described cover tube bottom has a circular hole, and this Circularhole diameter is greater than the cold end line external diameter.
5. the cold junction jockey of heating cable as claimed in claim 4, it is characterized in that, described heating cable comprise first heart yearn, uniform ring around this heart yearn the first mineral insulation layer and be enclosed within first metallic sheath this first mineral insulation layer outside, described cold end line comprise second heart yearn, uniform ring around this second heart yearn on every side the second mineral insulation layer and be enclosed within second metallic sheath outside this second mineral insulation layer.
6. the cold junction jockey of heating cable as claimed in claim 4 is characterized in that, described first core line diameter is less than second heart yearn.
7. the cold junction jockey of heating cable as claimed in claim 4 is characterized in that, the materials used of a described heart yearn is constantan or violent copper.
8. the cold junction jockey of heating cable as claimed in claim 4 is characterized in that, the materials used of the described first mineral insulation layer and the second mineral insulation layer is a magnesium oxide.
9. the cold junction jockey of heating cable as claimed in claim 4 is characterized in that, the materials used of described first metallic sheath and second metallic sheath is a copper-nickel alloy.
10. one kind has the cold junction jockey connection heating cable of the described heating cable of claim 1 and the method for cold end line, it is characterized in that it may further comprise the steps:
With heating cable and cold end line stripping head, clean out and seal earlier, the heart yearn with heating cable and cold end line welds again;
Then hermetically sealed can, cold end line and heating cable heart yearn are connected;
The moistureproof filler of drying is circulated in the sleeve in the hermetically sealed can, again hermetically sealed can is vibrated, shake up, dash tight;
Cover lid on the last sleeve in hermetically sealed can connects lid, sleeve and heating cable, with the junction welding and the wrapped macromolecule heat-resistant insulation material of lid and sleeve and lid and heating cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810034188A CN101527405A (en) | 2008-03-04 | 2008-03-04 | Cold end connecting device for heating cable and connecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810034188A CN101527405A (en) | 2008-03-04 | 2008-03-04 | Cold end connecting device for heating cable and connecting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101527405A true CN101527405A (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810034188A Pending CN101527405A (en) | 2008-03-04 | 2008-03-04 | Cold end connecting device for heating cable and connecting method thereof |
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| CN (1) | CN101527405A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101772227A (en) * | 2010-01-27 | 2010-07-07 | 无锡赛丰仪表有限公司 | Armored heating cable |
| CN102467993A (en) * | 2010-11-05 | 2012-05-23 | 于光 | Overlong power cable for three-phase magnesium oxide metal sheath |
| CN103368125A (en) * | 2013-07-25 | 2013-10-23 | 许杭旭 | Sealing structure of conducting line lead in closed structure |
| CN105552595A (en) * | 2016-02-22 | 2016-05-04 | 上海胜华电气股份有限公司 | Waterproof fire-resistant coupler for magnesium oxide cable |
| CN105960033A (en) * | 2016-07-12 | 2016-09-21 | 北京中兴实强陶瓷轴承有限公司 | Heater |
| CN107302142A (en) * | 2017-06-30 | 2017-10-27 | 云南科威液态金属谷研发有限公司 | Low-melting-point metal cable connecting arrangement and its application method, attachment structure |
| CN108775615A (en) * | 2018-05-11 | 2018-11-09 | 翁刚峰 | A kind of MI mineral insulations armored heating cable and the mating ground heating system of metal heat-conducting plate |
| CN109830337A (en) * | 2019-03-30 | 2019-05-31 | 兰州众邦电线电缆集团有限公司 | Three core overhead insulated cables and preparation method thereof are pressed in tension waterproof ice snow type |
| CN114243320A (en) * | 2021-12-27 | 2022-03-25 | 陈骁祥 | Cold and hot section switching sleeve of armored heating wire |
-
2008
- 2008-03-04 CN CN200810034188A patent/CN101527405A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101772227A (en) * | 2010-01-27 | 2010-07-07 | 无锡赛丰仪表有限公司 | Armored heating cable |
| CN102467993A (en) * | 2010-11-05 | 2012-05-23 | 于光 | Overlong power cable for three-phase magnesium oxide metal sheath |
| 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 |
| 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 |
| CN103368125A (en) * | 2013-07-25 | 2013-10-23 | 许杭旭 | Sealing structure of conducting line lead 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 |
| CN105552595A (en) * | 2016-02-22 | 2016-05-04 | 上海胜华电气股份有限公司 | Waterproof fire-resistant coupler for magnesium oxide cable |
| CN105552595B (en) * | 2016-02-22 | 2017-09-22 | 上海胜华电气股份有限公司 | Water proof type fire resisting connector for magnesia cable |
| CN105960033A (en) * | 2016-07-12 | 2016-09-21 | 北京中兴实强陶瓷轴承有限公司 | Heater |
| CN107302142A (en) * | 2017-06-30 | 2017-10-27 | 云南科威液态金属谷研发有限公司 | Low-melting-point metal cable connecting arrangement and its application method, attachment structure |
| CN108775615A (en) * | 2018-05-11 | 2018-11-09 | 翁刚峰 | A kind of MI mineral insulations armored heating cable and the mating ground heating system of metal heat-conducting plate |
| CN109830337A (en) * | 2019-03-30 | 2019-05-31 | 兰州众邦电线电缆集团有限公司 | Three core overhead insulated cables and preparation method thereof are pressed in tension waterproof ice snow type |
| CN114243320A (en) * | 2021-12-27 | 2022-03-25 | 陈骁祥 | Cold and hot section switching sleeve of armored heating wire |
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Open date: 20090909 |