CN103326142B - A kind of low-melting-point metal cable continuation device - Google Patents
A kind of low-melting-point metal cable continuation device Download PDFInfo
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- CN103326142B CN103326142B CN201310229749.9A CN201310229749A CN103326142B CN 103326142 B CN103326142 B CN 103326142B CN 201310229749 A CN201310229749 A CN 201310229749A CN 103326142 B CN103326142 B CN 103326142B
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Abstract
The low-melting-point metal cable continuation device that the present invention relates to, is characterized in that, it is by the shielding copper mesh of low-melting-point metal inner ring, insulating sleeve, band low-melting-point metal coating, and heat gun composition.Low-melting-point metal inner ring both sides band is fluted, welds in cable core access groove.Insulating sleeve closely wraps up low-melting-point metal inner ring from outside, forms solder joint external insulation layer.Shielding copper mesh with low-melting-point metal coating is for realizing the welding of cable metallic screens layer, and its two ends are coated with low-melting-point metal coating.During use, adopt heat gun heating low-melting-point metal, make it melt to realize welding process.Low-melting-point metal cable continuation device structure provided by the invention is simple, easy to operate, and energy-conserving and environment-protective are safe and reliable, can be widely used in the cable splice such as track traffic, information communication engineering field.
Description
Technical field
The present invention relates to a kind of cable splice device, this device take low-melting-point metal as welding material.Whole welding process can be carried out at relatively low temperature, more energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.Meanwhile, soldered technique make soldering tip intensity and conductivity to be much better than traditional metal snap method.Low-melting-point metal cable continuation device structure provided by the invention is simple, easy to operate, and energy-conserving and environment-protective are safe and reliable, can be widely used in the cable splice such as track traffic, information communication engineering field.
Background technology
Cable splice is the important component part in communication line construction, because the reasons such as external force damage, humidified insulation, chemical corrosion and running overload usually cause cable fault, not impaired in order to ensure communication function, need to continue to the cable broken down in time.Common connecting method has mechanical snap and high-temperature soldering two kinds.Cable core to be continued is fixed together by mechanical force by mechanical snap, and this kind of method is simple to operate, but the more difficult assurance of mechanical stress intensity, be easy to occur secondary break or loose contact phenomenon.High-temperature soldering adopts the high-temperature solders such as traditional solder stick, at high temperature will treat spliced cables seamless link.Compared to mechanical snap method, high-temperature soldering reliability is higher, but high-temperature soldering operating temperature is all more than 100 degrees Celsius, and not only power consumption is large, and usually causes the infringement of heart yearn and insulating barrier, affects welding quality, causes secondary failure.
Normal cable structure generally comprises inner heart yearn (copper material or aluminium material) from inside to outside, insulated hull, and outer field screen (being generally copper mesh).The step continued also generally comprises two steps: core splice and cable metallic screens layer continue.Continuing of current heart yearn general adopts metal copper ring clamping or the welding of heart yearn lap, and metal screen layer continues and generally adopts one section of shielding copper mesh both sides to be treated the outer shield layer of spliced cables is connected, and is also the method for the mechanical snap adopted usually.
In order to solve the series of problems in above-mentioned traditional connecting method, the present invention proposes a kind of low-melting-point metal cable continuation device.This device take low-melting-point metal as welding material, and thus whole welding process can be carried out at relatively low temperature, more energy-conservation, safety, and easy to operate.Its typical advantages is as follows: (1) adopts welding manner, avoids the problems such as mechanical snap interrupt line, loose contact; (2) take low-melting-point metal as welding material, welding process can be carried out at relatively low temperature, avoids the infringement of high temperature to heart yearn and insulating barrier; (3) high, the stable in properties of low-melting-point metal conductivity, nontoxic, environmental protection; (4) low-melting-point metal welding temperature is low, and operation is more simple, not easily hurts sb.'s feelings; (5) low-melting-point metal fusing point is more than 60oC, exceedes the maximum operating temperature (generally imbedding underground after continuing) of general signal cable, safety, stable, reliably.
Summary of the invention
The object of the present invention is to provide a kind of low-melting-point metal cable continuation device, this device take low-melting-point metal as welding material.Whole welding process can be carried out at relatively low temperature, more energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.Meanwhile, soldered technique make soldering tip intensity and conductivity to be much better than traditional metal snap method.The present invention can be widely used in the cable splice such as track traffic, information communication engineering field.
Technical scheme of the present invention is as follows:
A kind of low-melting-point metal cable continuation device provided by the invention, as shown in Figure 1, it is composed as follows:
One low-melting-point metal inner ring 1, described low-melting-point metal inner ring 1 both sides band is fluted, welds in cable core access groove;
One insulating sleeve 2, described insulating sleeve 2 closely wraps up described low-melting-point metal inner ring 1 from outside, form solder joint external insulation layer;
The shielding copper mesh 3 of one band low-melting-point metal coating, described shielding copper mesh 3 is for realizing continuing of cable shield, and its two ends are coated with low-melting-point metal coating 4;
One heat gun 5, described heat gun 5, for low-melting-point metal inner ring 1 described in heat fused and described low-melting-point metal coating 4, realizes welding process.
In Fig. 1, two sections of cables to be continued comprise cable core 6, insulated hull 7 and metal screen layer 8.
Described low-melting-point metal inner ring 1 melts after heat gun 5 heats, and connects two cable cores 6, forms soldering tip.
The shielding copper mesh 3 of described band low-melting-point metal coating is socketed in outside the metal screen layer 8 of cable to be connected, realizes shielding the connection between copper mesh 3 and cable metallic screens layer 8 by the melted by heat of two ends low-melting-point metal coating 4.
Described heat gun can 5 employing electric energy, fuel oil or combustion gas generation institute calorific requirement.
Described insulating sleeve 2 material can be polyethylene, polyvinyl chloride, polypropylene, polybutene or nylon.
Described low-melting-point metal is the low-melting-point metal of fusing point at 60 ~ 100oC, mainly comprises gallium base bianry alloy, gallium based multicomponent alloy, indium-base alloy or bismuth-base alloy.
Described gallium base bianry alloy is gallium-indium alloy, gallium bismuth alloy or gallium ashbury metal.
Described gallium based multicomponent alloy is gallium-indium-tin alloy or gallium indium tin kirsite.
Described bismuth-base alloy is bismuth indium stannum alloy or bismuth ashbury metal.
During cable welding, first cable core 6 is fixed in the groove of low-melting-point metal inner ring 1 of insulating sleeve 2 inside, heat by heat gun 5 pairs of low-melting-point metal inner ring 1, make the low-melting-point metal 1 of thawing and two cable core 6 close contacts to be welded, and complete welding after low-melting-point metal 1 solidifies.Afterwards, the shielding copper mesh 3 of band low-melting-point metal coating is connected with the copper shield 8 of both sides cable, heat with the low-melting-point metal coating 4 of heat gun 5 to shielding copper mesh 3 two ends, the low-melting-point metal 4 of thawing connects shielding copper mesh 3 and cable of copper shield layer 8, and cable welding process terminates.
Low-melting-point metal cable continuation device tool of the present invention has the following advantages:
(1) adopt welding manner, avoid the problems such as mechanical snap interrupt line, loose contact;
(2) take low-melting-point metal as welding material, welding process can be carried out at relatively low temperature, avoids the infringement of high temperature to heart yearn and insulating barrier;
(3) high, the stable in properties of low-melting-point metal conductivity, nontoxic, environmental protection;
(4) low-melting-point metal welding temperature is low, and operation is more simple, not easily hurts sb.'s feelings;
(5) low-melting-point metal fusing point is more than 60oC, exceedes the maximum operating temperature (generally imbedding underground after continuing) of general signal cable, safety, stable, reliably.
Accompanying drawing explanation
Fig. 1 is low-melting-point metal cable continuation device Welding Structure schematic diagram in embodiment 1.
Embodiment
The present invention is further described below in conjunction with drawings and the specific embodiments.
Embodiment 1
Embodiment 1 illustrates a kind of typical apply of low-melting-point metal cable continuation device of the present invention.Fig. 1 is low-melting-point metal cable continuation device Welding Structure schematic diagram.
As shown in Figure 1, the low-melting-point metal cable continuation device of the present embodiment is by the shielding copper mesh 3 of low-melting-point metal inner ring 1, insulating sleeve 2, band low-melting-point metal coating 4, and heat gun 5 forms.
The construction of cable to be continued is followed successively by heart yearn 6, insulating sleeve 7 and gauze screen 8 from the inside to the outside.
In the present embodiment, cable core 6 is copper material, diameter 3mm, and cable shield 8 is copper mesh, and insulating sleeve 7 material is solid polyethylene.
In the present embodiment, low-melting-point metal is bismuth indium stannum alloy (mass fraction: 32.5% Bi, 51% In, 16.5% Sn), and its safety non-toxic, fusing point is 62oC.
Low-melting-point metal inner ring 1 is the cylinder of two end band grooves, cylinder external diameter 5mm, length 30mm, and grooves on two sides is cylindrical, conduit diameter 3mm, degree of depth 10mm.
Insulating sleeve 2 internal diameter is 5mm, and wall thickness is 1mm, and material is solid polyethylene, to be tight with at outside low-melting-point metal inner ring 1 and to be connected as a single entity with low-melting-point metal inner ring 1.
With the shielding copper mesh 3 internal diameter 10mm of low-melting-point metal coating, wall thickness 0.3mm, its both sides band low-melting-point metal coating 4, thickness is 0.3mm, coating zone width 10mm.
Heat gun rated power 2000W, adopts combustion gas to produce heat, can Modulating Power size according to actual needs.
During cable welding, be first fixed on by cable core 6 in the groove of the low-melting-point metal inner ring 1 of insulating sleeve 2 inside, heat by heat gun 5 pairs of low-melting-point metal inner ring 1, heating and temperature control is between 70 ~ 90 DEG C.The low-melting-point metal inner ring 1 and two cable core 6 close contacts to be welded that melt, and welding is completed after low-melting-point metal inner ring 1 is solidified.Afterwards, the shielding copper mesh 3 of band low-melting-point metal coating is connected with the copper shield 8 of both sides cable, heat with the low-melting-point metal coating 4 of heat gun 5 to shielding copper mesh 3 two ends, heating and temperature control is between 70 ~ 90 DEG C, the low-melting-point metal 4 melted connects shielding copper mesh 3 and cable of copper shield layer 8, and cable welding process terminates.
Finally it should be noted that above embodiment only in order to technical scheme of the present invention to be described and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. a low-melting-point metal cable continuation device, is characterized in that, it is composed as follows:
One low-melting-point metal inner ring, described low-melting-point metal inner ring both sides band is fluted, welds in cable core access groove;
One insulating sleeve, described insulating sleeve closely wraps up low-melting-point metal inner ring from outside, forms solder joint external insulation layer;
The shielding copper mesh of one band low-melting-point metal coating, described shielding copper mesh is for realizing continuing of cable shield, and its two ends are coated with low-melting-point metal coating;
One heat gun, described heat gun is used for heat fused low-melting-point metal inner ring and low-melting-point metal coating, realizes welding process;
Described low-melting-point metal is the low-melting-point metal of fusing point at 60 ~ 100oC, mainly comprises gallium base bianry alloy, gallium based multicomponent alloy or indium-base alloy;
Described gallium base bianry alloy is gallium-indium alloy, gallium bismuth alloy or gallium ashbury metal;
Described gallium based multicomponent alloy is gallium-indium-tin alloy or gallium indium tin kirsite.
2. by a kind of low-melting-point metal cable continuation device according to claim 1, it is characterized in that, the fusing after heat gun heating of described low-melting-point metal inner ring, connects two cable cores, forms soldering tip.
3. by a kind of low-melting-point metal cable continuation device according to claim 1, it is characterized in that, the shielding copper mesh of described band low-melting-point metal coating is socketed in outside the metal screen layer of cable to be connected, realizes by the melted by heat of two ends low-melting-point metal coating the connection shielding copper mesh and cable metallic screens interlayer.
4. by a kind of low-melting-point metal cable continuation device according to claim 1, it is characterized in that, described heat gun can adopt electric energy, fuel oil or combustion gas to produce institute's calorific requirement.
5., by a kind of low-melting-point metal cable continuation device according to claim 1, it is characterized in that, described insulating sleeve material can be polyethylene, polyvinyl chloride, polypropylene, polybutene or nylon.
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| CN201310229749.9A CN103326142B (en) | 2013-06-09 | 2013-06-09 | A kind of low-melting-point metal cable continuation device |
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| CN201310229749.9A CN103326142B (en) | 2013-06-09 | 2013-06-09 | A kind of low-melting-point metal cable continuation device |
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| CN103326142B true CN103326142B (en) | 2015-08-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887631A (en) * | 2014-04-04 | 2014-06-25 | 郭瑞 | Low-melting-point metal cable connection terminal |
| CN104218010B (en) * | 2014-09-10 | 2017-09-08 | 北京态金科技有限公司 | A kind of metal heat interface material |
| CN104868265B (en) * | 2015-05-08 | 2017-03-08 | 黄河勘测规划设计有限公司 | Self-healing copper core cable transition joint |
| CN106450868B (en) | 2016-11-04 | 2019-03-26 | 吉林省中赢高科技有限公司 | A kind of aluminium terminal and copper-aluminium transition connector |
| CN107425171A (en) * | 2017-03-06 | 2017-12-01 | 安普能源科技有限公司 | A kind of safe lithium battery group and connection method that connection battery core is locked using screw thread |
| CN106941147B (en) * | 2017-03-06 | 2020-07-17 | 安普能源科技有限公司 | Safe lithium battery pack with battery cells connected by constant-temperature heating and connection method |
| CN107104218B (en) * | 2017-03-06 | 2019-12-13 | 安普能源科技有限公司 | Lithium ion power battery connection method adopting fusible alloy |
| CN107134560B (en) * | 2017-03-06 | 2019-12-13 | 安普能源科技有限公司 | Thermal protection connecting structure and method for lithium ion power battery |
| 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 |
| CN108281803A (en) * | 2018-03-02 | 2018-07-13 | 安特(苏州)精密机械有限公司 | Self-brazing connecting terminal in succession |
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| US4312793A (en) * | 1978-03-03 | 1982-01-26 | Charneski Mitchell D | Electrical joint compound |
| GB8526377D0 (en) * | 1985-10-25 | 1985-11-27 | Raychem Gmbh | Cable connection |
| US6113406A (en) * | 1997-10-10 | 2000-09-05 | The Penn State Research Foundation | Electrical interconnect using low melting point liquid metals |
| CN103066475B (en) * | 2013-01-07 | 2014-09-10 | 郭瑞 | Method for reducing contact resistance based on low-melting-point metal and oxide thereof |
| CN203300828U (en) * | 2013-06-09 | 2013-11-20 | 北京依米康科技发展有限公司 | Low-melting point metal cable connection device |
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Address after: 100040, room 368, Yuquan building, 3 Shijingshan Road, Beijing, Shijingshan District Patentee after: BEIJING LIQUIDKING TECHNOLOGY Co.,Ltd. Address before: 100040, room 368, Yuquan building, 3 Shijingshan Road, Beijing, Shijingshan District Patentee before: BEIJING EMIKON TECHNOLOGY DEVELOPMENT CO.,LTD. |
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