CN104953308A - Low-melting-point metal cable connector - Google Patents
Low-melting-point metal cable connector Download PDFInfo
- Publication number
- CN104953308A CN104953308A CN201510396289.8A CN201510396289A CN104953308A CN 104953308 A CN104953308 A CN 104953308A CN 201510396289 A CN201510396289 A CN 201510396289A CN 104953308 A CN104953308 A CN 104953308A
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- Prior art keywords
- melting
- low
- point metal
- cable
- gallium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- Cable Accessories (AREA)
Abstract
The invention relates to a low-melting-point metal cable connector. The low-melting-point metal cable connector is characterized in that the appearance of the connector is an insulated outer barrel, and holes are formed in two ends of the insulated outer barrel; the connector comprises a cavity filled with low-melting-point metal, anti-counter-flow stop valves, sealant filling cavities and one pair or two pairs of fastening pieces sequentially front inside to outside; the filled low-melting-point metal in the cavity of the connector is in a liquid state at the normal temperature, and is a material for realizing conductive connection of cables; with the adoption of the anti-counter-flow stop valves, the problem of low-melting-point metal leakage in the transportation process of the connector can be solved; however, the cables pierce the stop valves easily and enter the cavity filled with the low-melting-point metal during using; the sealant filling cavities are filled with a sealant after the cables are inserted into the cavity, and the cables are fixed; the cables can be further fixed from the outside by the aid of the fastening pieces, and the conditions of cable falling, liquid leakage and the like are effectively prevented. The low-melting-point metal cable connector is simple in structure, environment-friendly and safe, and can be widely applied to the field of cable connection engineering such as track traffic, information communication and the like.
Description
Technical field
The present invention relates to a kind of low-melting-point metal cable connector, it adopts low-melting-point metal as the conducting medium of cable, achieve being flexible coupling between cable, the cable core of avoiding the mode stube cables such as cable machinery clamping to cause damages, and resistance is excessive and problem that caloric value is too high.
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 DEG C, and not only power consumption is large, and usually causes the damage of heart yearn and insulating barrier, affects welding quality, causes secondary failure.
Normal cable structure generally comprises inner heart yearn, insulated hull and outer field screen from inside to outside.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 adopting mechanical snap usually.When adopting metal copper ring clamping, cable and copper ring, are all hard contact between cable and cable, the air gap between them will be very large, thus contact resistance becomes large, and the caloric value caused thus is also immeasurable, and this will directly affect the life-span of cable.When adopting the welding of heart yearn lap, although reduce the air gap between cable, need to operate in high temperature environments in welding process, not only operating environment is harsh, and operation is slightly improper, just the personal safety of likely entail dangers to constructor.
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 connector.
Summary of the invention
The object of the present invention is to provide a kind of low-melting-point metal cable connector, this cable connector take low-melting-point metal as the electrical connection material of cable, achieves being flexible coupling between cable.Whole connection procedure can carry out at normal temperatures, and operation is more simple, more energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.Meanwhile, the intensity of this cable connecting terminals and conductivity will 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 connector provided by the invention, as shown in Figure 1, connector outward appearance is the insulating cylinder of a two ends perforate.Connector is made up of the cavity 1 of filled low-melting-point metal, counterflow-preventing break valve 2, fluid sealant filling cavity 3 and a pair or two pairs of securing members 4 from inside to outside successively;
Described fluid sealant filling cavity 3 is after cable 5 inserts, and toward wherein pouring into fluid sealant, plays the effect of attached cable;
Described securing member 4 can further from connector external stability cable 5, effectively prevents cable 5 to come off leakage etc.;
The low-melting-point metal filled in described cavity 1 is liquid at normal temperatures, is the material realizing cable conduction connection.
Described low-melting-point metal is the one in gallium, gallium-base alloy, indium-base alloy or bismuth-base alloy.
Described gallium-base alloy is gallium base bianry alloy or gallium based multicomponent alloy.
Described indium-base alloy is the one in indium bismuth copper alloy or indium bismuth ashbury metal.
Described bismuth-base alloy is bismuth ashbury metal.
Described gallium base bianry alloy is the one in gallium-indium alloy, gallium lead alloy or gallium mercury alloy.
Described gallium based multicomponent alloy is for being gallium-indium-tin alloy or gallium indium tin kirsite.
The mass fraction of described gallium indium tin kirsite is: gallium 61%, indium 25%, tin 13%, zinc 1%.
Described counterflow-preventing break valve 2 can prevent connector from transportation, occurring the problem that low-melting-point metal is revealed, but in use, cable is but easy to puncture break valve and enters in low-melting-point metal cavity.
Described insulating cylinder material is the one in these four kinds of materials of polyethylene, Merlon, polyvinyl chloride and polybutene.
When described securing member is a pair, two are fastened on insulating cylinder two ends respectively, and two link together by the wire less by elasticity such as iron wires, play the effect of attached cable.
When described securing member is two pairs, in a pair securing member, one is fixed on insulating cylinder one end, is fixed on for a pair on the cable of the same side with it, then links together two with the wire that the elasticity such as iron wire are less, plays the effect of attached cable.
Described wire is iron wire, stainless steel wire, copper wire, aluminium wire or nickel wire.
When cable 5 connects, the step of connection is as follows: one, first the external protection of cable 5 is peeled off one section, then it is inserted through fluid sealant filling cavity, punctures counterflow-preventing break valve 2; Two, in fluid sealant filling cavity 3, fluid sealant is poured into; Three, be with after fluid sealant parches, on cable or (with) connector two ends connect securing member 4, attached cable 5.Connection procedure terminates.For avoiding connection improper, cable 5 of suitably firmly can pulling back after fixation fastener, guarantees that cable 5 is fixed, can not stressedly come off.Whole connection procedure is simple, only need carry out at normal temperatures, compared with traditional welding method, not need to carry out under the exacting terms such as high temperature during use, convenient, energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.
Low-melting-point metal cable connector tool of the present invention has the following advantages:
(1) adopt low-melting-point metal to realize electrical connection good between two end cables, compared with traditional continuation method, avoid the problems such as mechanical snap interrupt line, loose contact;
(2) take low-melting-point metal as the material of electrical connection, connection procedure can carry out at normal temperatures, avoids the infringement of high temperature to cable core and insulating barrier;
(3) low-melting-point metal conductivity is high, and stable in properties is nontoxic, environmental protection;
(4) cable connection end child-operation is more simple, not easily hurts sb.'s feelings, and can improve the operating efficiency of user.
Low-melting-point metal cable connector 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of low-melting-point metal cable connector when having a pair securing member.
Wherein: the cavity of 1-low-melting-point metal, 2-counterflow-preventing break valve, 3-fluid sealant filling cavity, 4-securing member, 5-cable, 6-connects the wire of securing member.
Fig. 2 is the structural representation of low-melting-point metal cable connector when having two pairs of securing members.
Wherein: 1-low-melting-point metal cavity, 2-counterflow-preventing break valve, 3-fluid sealant filling cavity, 4-securing member, 5-cable, 6-connects the wire of securing member.
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 connector of the present invention.Fig. 1 is the structural representation of low-melting-point metal cable connector when having a pair securing member.Wherein: 1 is low-melting-point metal cavity, 2 is counterflow-preventing break valve, and 3 is fluid sealant filling cavity, and 4 is securing member, and 5 is cable, and 6 is the wire connecting securing member.
As shown in Figure 1, the low-melting-point metal cable connector of the present embodiment is made up of low-melting-point metal cavity 1, a pair counterflow-preventing break valve 2, a pair securing member 4 and an iron wire 6.
In the present embodiment, low-melting-point metal is gallium indium tin kirsite (mass fraction: 61% Ga, 25% In, 13% Sn, 1%Zn), and its safety non-toxic, fusing point is 8oC.Insulating cylinder material is polyethylene.
When cable 5 connects, the step of connection is as follows: one, first the external protection of cable 5 is peeled off one section, then it is inserted through fluid sealant filling cavity, punctures counterflow-preventing break valve 2; Two, in fluid sealant filling cavity 3, fluid sealant is poured into; Three, be with after fluid sealant parches, on cable or (with) connector two ends connect securing member 4, attached cable 5.Connection procedure terminates.For avoiding connection improper, cable 5 of suitably firmly can pulling back after fixation fastener, guarantees that cable 5 is fixed, can not stressedly come off.Whole connection procedure is simple, only need carry out at normal temperatures, compared with traditional welding method, not need to carry out under the exacting terms such as high temperature during use, convenient, energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.
Embodiment 2
Fig. 1 is the structural representation of low-melting-point metal cable connector when having a pair securing member.Wherein: 1 is low-melting-point metal cavity, 2 is counterflow-preventing break valve, and 3 is fluid sealant filling cavity, and 4 is securing member, and 5 is cable, and 6 is the wire connecting securing member.
As shown in Figure 1, the low-melting-point metal cable connector of the present embodiment is made up of low-melting-point metal cavity 1, a pair counterflow-preventing break valve 2, a pair securing member 4 and an iron wire 6.
In the present embodiment, low-melting-point metal is gallium-indium-tin alloy (mass fraction: 66% Ga, 21% In, 13% Sn), and its safety non-toxic, fusing point is 10oC.Insulating cylinder material is polyethylene.
When cable 5 connects, the step of connection is as follows: one, first the external protection of cable 5 is peeled off one section, then it is inserted through fluid sealant filling cavity, punctures counterflow-preventing break valve 2; Two, in fluid sealant filling cavity 3, fluid sealant is poured into; Three, be with after fluid sealant parches, on cable or (with) connector two ends connect securing member 4, attached cable 5.Connection procedure terminates.For avoiding connection improper, cable 5 of suitably firmly can pulling back after fixation fastener, guarantees that cable 5 is fixed, can not stressedly come off.Whole connection procedure is simple, only need carry out at normal temperatures, compared with traditional welding method, not need to carry out under the exacting terms such as high temperature during use, convenient, energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.
Embodiment 3
Fig. 2 is structural representation when low-melting-point metal cable connector has two pairs of securing members in embodiment.Wherein: 1 is low-melting-point metal cavity, 2 is counterflow-preventing break valve, and 3 is fluid sealant filling cavity, and 4 is securing member, and 5 is cable, and 6 is the wire connecting securing member.
As shown in Figure 2, the low-melting-point metal cable connector of the present embodiment is made up of low-melting-point metal cavity 1, a pair counterflow-preventing break valve, 2, two pairs of securing members 4 and two iron wires 6.
In the present embodiment, low-melting-point metal is gallium-indium alloy (mass fraction: 80% Ga, 20% In), and its safety non-toxic, fusing point is 16oC.Insulating cylinder material is polyethylene.
When cable 5 connects, the step of connection is as follows: one, first the external protection of cable 5 is peeled off one section, then it is inserted through fluid sealant filling cavity, punctures counterflow-preventing break valve 2; Two, in fluid sealant filling cavity 3, fluid sealant is poured into; Three, be with after fluid sealant parches, on cable or (with) connector two ends connect securing member 4, attached cable 5.Connection procedure terminates.For avoiding connection improper, cable 5 of suitably firmly can pulling back after fixation fastener, guarantees that cable 5 is fixed, can not stressedly come off.Whole connection procedure is simple, only need carry out at normal temperatures, compared with traditional welding method, not need to carry out under the exacting terms such as high temperature during use, convenient, energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.
Embodiment 4
Fig. 2 is structural representation when low-melting-point metal cable connector has two pairs of securing members in embodiment.Wherein: 1 is low-melting-point metal cavity, 2 is counterflow-preventing break valve, and 3 is fluid sealant filling cavity, and 4 is securing member, and 5 is cable, and 6 is the wire connecting securing member.
As shown in Figure 2, the low-melting-point metal cable connector of the present embodiment is made up of low-melting-point metal cavity 1, a pair counterflow-preventing break valve, 2, two pairs of securing members 4 and two iron wires 6.
In the present embodiment, low-melting-point metal is gallium indium tin kirsite (mass fraction: 61% Ga, 25% In, 13% Sn, 1%Zn), its safety non-toxic, in this low-melting-point metal, add the gallium oxide that mass fraction is 10%, the viscosity of low-melting-point metal can be promoted, Leakage prevention.Insulating cylinder material is polyethylene.
When cable 5 connects, the step of connection is as follows: one, first the external protection of cable 5 is peeled off one section, then it is inserted through fluid sealant filling cavity, punctures counterflow-preventing break valve 2; Two, in fluid sealant filling cavity 3, fluid sealant is poured into; Three, be with after fluid sealant parches, on cable or (with) connector two ends connect securing member 4, attached cable 5.Connection procedure terminates.For avoiding connection improper, cable 5 of suitably firmly can pulling back after fixation fastener, guarantees that cable 5 is fixed, can not stressedly come off.Whole connection procedure is simple, only need carry out at normal temperatures, compared with traditional welding method, not need to carry out under the exacting terms such as high temperature during use, convenient, energy-conservation, and avoids the infringement of high temperature to heart yearn and insulating barrier.
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 (10)
1. a low-melting-point metal cable connector, is characterized in that, connector outward appearance is the insulation urceolus of a two ends perforate; Connector is made up of the cavity of filled low-melting-point metal, counterflow-preventing break valve, fluid sealant filling cavity and a pair or two pairs of securing members from inside to outside successively;
Described fluid sealant filling cavity is after cable inserts, and toward wherein pouring into fluid sealant, plays the effect of attached cable;
Described securing member can further from connector external stability cable, effectively prevents that cable from coming off, low-melting-point metal leakage etc.;
The low-melting-point metal filled in described cavity is liquid at normal temperatures, is the material realizing cable conduction connection.
2., by low-melting-point metal cable connector according to claim 1, it is characterized in that, described low-melting-point metal is the one in gallium, gallium-base alloy, indium-base alloy or bismuth-base alloy.
3., by low-melting-point metal cable connector according to claim 2, it is characterized in that, described gallium-base alloy is gallium base bianry alloy or gallium based multicomponent alloy.
4. by low-melting-point metal cable connector according to claim 2, it is characterized in that, described indium-base alloy is the one in indium bismuth copper alloy or indium bismuth ashbury metal.
5., by low-melting-point metal cable connector according to claim 2, it is characterized in that, described bismuth-base alloy is bismuth ashbury metal.
6., by low-melting-point metal cable connector according to claim 3, it is characterized in that, described gallium base bianry alloy is the one in gallium-indium alloy, gallium lead alloy or gallium mercury alloy.
7. by low-melting-point metal cable connector according to claim 3, it is characterized in that, described gallium based multicomponent alloy is for being gallium-indium-tin alloy or gallium indium tin kirsite.
8., by low-melting-point metal cable connector according to claim 7, it is characterized in that, the mass fraction of described gallium indium tin kirsite is: gallium 61%, indium 25%, tin 13%, zinc 1%.
9. by low-melting-point metal cable connector according to claim 1, it is characterized in that, described counterflow-preventing break valve can prevent connector from transportation, occurring the problem that low-melting-point metal is revealed, but in use, cable is but easy to puncture break valve and enters in low-melting-point metal cavity.
10., by low-melting-point metal cable connector according to claim 1, it is characterized in that, described insulation urceolus material is the one in these four kinds of materials of polyethylene, Merlon, polyvinyl chloride and polybutene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396289.8A CN104953308A (en) | 2015-07-08 | 2015-07-08 | Low-melting-point metal cable connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396289.8A CN104953308A (en) | 2015-07-08 | 2015-07-08 | Low-melting-point metal cable connector |
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| CN104953308A true CN104953308A (en) | 2015-09-30 |
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| CN201510396289.8A Pending CN104953308A (en) | 2015-07-08 | 2015-07-08 | Low-melting-point metal cable connector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463292A (en) * | 2015-12-28 | 2016-04-06 | 大连理工大学 | Low-melting-point alloy and preparation method thereof |
| 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 |
| CN109434232A (en) * | 2018-12-12 | 2019-03-08 | 云南电网有限责任公司电力科学研究院 | A kind of cable connecting arrangement and connection method with heating refrigerating function |
| CN110042293A (en) * | 2019-06-04 | 2019-07-23 | 浙江大学 | A kind of novel low melting point alloy containing zinc |
| CN114361843A (en) * | 2021-12-13 | 2022-04-15 | 首钢京唐钢铁联合有限责任公司 | Electric connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109434232A (en) * | 2018-12-12 | 2019-03-08 | 云南电网有限责任公司电力科学研究院 | A kind of cable connecting arrangement and connection method with heating refrigerating function |
| CN110042293A (en) * | 2019-06-04 | 2019-07-23 | 浙江大学 | A kind of novel low melting point alloy containing zinc |
| CN114361843A (en) * | 2021-12-13 | 2022-04-15 | 首钢京唐钢铁联合有限责任公司 | Electric connector |
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Address after: 100040, room 368, Yuquan building, 3 Shijingshan Road, Beijing, Shijingshan District Applicant after: BEIJING TAIJIN TECHNOLOGY CO., LTD. Address before: 100040, room 368, Yuquan building, 3 Shijingshan Road, Beijing, Shijingshan District Applicant before: Beijing Emikon Science & Technology Development Co., Ltd. |
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Address after: 100040, Shijingshan Road, Beijing, Yuquan building on the west side of the 9 floor, 3 Applicant after: BEIJING TAIJIN TECHNOLOGY CO., LTD. Address before: 100040, room 368, Yuquan building, 3 Shijingshan Road, Beijing, Shijingshan District Applicant before: BEIJING TAIJIN TECHNOLOGY CO., LTD. |
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