CN105575559A - Power transmission multi-cable assembly device and use method - Google Patents

Power transmission multi-cable assembly device and use method Download PDF

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Publication number
CN105575559A
CN105575559A CN201410534223.6A CN201410534223A CN105575559A CN 105575559 A CN105575559 A CN 105575559A CN 201410534223 A CN201410534223 A CN 201410534223A CN 105575559 A CN105575559 A CN 105575559A
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China
Prior art keywords
electric power
power cable
wiring
pipe
protecting pipe
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CN201410534223.6A
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Chinese (zh)
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CN105575559B (en
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雒斌
席超
王红新
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WUZHI ELECTRIC POWER Corp
State Grid Corp of China SGCC
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WUZHI ELECTRIC POWER Corp
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Publication of CN105575559B publication Critical patent/CN105575559B/en
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Abstract

The invention discloses a power transmission multi-cable assembly device constituted by conductive joints and sheath pipes. Each of the sheath pipe is constituted by a pipe wall and a differentiation separation board, and the differentiation separation board is connected with the inner surface of the pipe wall, and can be used to divide the inner cavity of each of the sheath pipes into at least two wire passing cavities having the same areas of the cross sections. The conductive joints are parallely connected by connecting lugs, the number of which are equal to the number of the wire cavities, and are disposed on an insulation pedestal. Each of the connecting lugs is constituted by a connecting tongue and a socketed pipe, and the connecting tongue is additionally provided with at least one connecting screw hole, and the inner surface of each of the socketed pipes is uniformly provided with cone-shaped fastening teeth. The use method comprises four steps: determining of total wire diameter, differentiation of cables, assembly, and wiring. The use requirements of the large-cross section cables requiring various diameters can be flexibly and easily satisfied, and the production costs of the large-cross section cables can be reduced. The problem of the frequent occurrence of the skin effect of the large-cross section cables can be effectively solved, and therefore the use performance of the power cables can be greatly improved.

Description

A kind of transmission of electricity many cable group assembling device and using method
Technical field
The present invention relates to a kind of transmission of electricity many cable group assembling device and using method, belong to technical field of power transmission.
Background technology
The diameter of electric power cable, directly have influence on the payload capability that electric power cable can bear, in general, the diameter of electric power cable is larger, its electric energy load that can bear is also larger, in order to reduce the loss of electric energy in course of conveying to greatest extent, at present in power delivery, power delivery mode the most frequently used at present adopts high-voltage AC transmission, when adopting this kind of method to carry electric energy, the electric energy that electric power cable carries is in and does cycle alternating capacity according to characteristic frequency, and when alternating current is by conductor, electric current will concentrate on conductive surface and flow through, produce kelvin effect, and this phenomenon can along with curtage become pass in the conductor time conversion frequency increase and serious all the more, simultaneously when electric power cable diameter of section is larger, its kelvin effect is also more obvious, thus cause electric energy can be gathered in total conductor top layer in a large number on electric power cable conductor top layer, but not designed be evenly distributed in the sectional area of whole conductor, thus add the electric energy loss of cable transmission line on the one hand, reduce the transmission capacity of cable, then easily cause electric power cable fever phenomenon serious on the other hand, even can initiation fire, therefore in the current standard of cable conductor at home and abroad, in national standard (GB3956), the copper max core stranded conductor of regulation is 2000mm2, in international IEC standard (IEC60228), the copper max core stranded conductor of regulation is 2500mm2.
And grow continuously and fast and the improving constantly of people's living standard along with Chinese national economy, nowadays the demand of industry-by-industry to electric power is increasing, electricity needs increases severely, electric power facility is towards Large Copacity (high voltage, big current) transmission direction development, therefore, improve the sectional area of transmission voltage grade and increase power line cables conductor, become the common recognition of power industry, but owing to increasing along with electric power cable diameter, kelvin effect also increases thereupon, thus add the electric energy loss of cable transmission line on the one hand, reduce the transmission capacity of cable, then easily cause electric power cable fever phenomenon serious on the other hand, even can initiation fire, have a strong impact on transmission of electricity and Electrical Safety, in order to overcome this problem, way conventional at present the conductor of a heavy in section electric power cable is divided into some small bore conductors to form, and establish insulator separation between each small bore conductor, although this kind of method effectively can overcome the adverse effect that kelvin effect is brought, but it is single to result also in heavy in section electric power cable complex manufacturing, production cost is too high and production efficiency is low, thus cause traditional heavy in section electric power cable cannot meet the needs of actual use in output, this kind of cable size is relatively fixing simultaneously, also the demand that power construction uses effective cable diameter cannot be met flexibly, therefore need to develop a kind of novel heavy in section electric power cable that can use flexibly.
Summary of the invention
The object of the invention is just to overcome above-mentioned deficiency, provides a kind of transmission of electricity many cable group assembling device and using method.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of transmission of electricity many cable group assembling device, be made up of conductive contact and protecting pipe, protecting pipe is made up of tube wall and differentiation dividing plate, differentiation dividing plate is connected with inner surface of tube wall, and differentiation dividing plate distribution arrangement and protecting pipe axis being parallel, and protecting pipe inner chamber is divided at least two cross-sections surfaces and amasss and identical cross line chamber, cross line cavity wall and separately establish electro-magnetic screen layer, protecting pipe tube wall two ends outer wall establishes anti-skid design, protecting pipe tube wall outer wall separately establishes at least one block, be arranged on insulator foot after the Wiring nose parallel connection that conductive contact is consistent with line chamber quantity by quantity and form, insulator foot one end is coated on protecting pipe two ends, the other end establishes insulation catch to be isolated by each Wiring nose, Wiring nose is made up of wiring tongue and socket pipe, wherein wiring tongue and socket pipe outer wall tangent, wiring tongue separately establishes at least one connecting screw hole, the uniform taper fastening teeth of socket pipe inner surface.
Wiring nose material is copper, aluminium, copper alloy or aluminium alloy.
Protecting pipe tube wall, differentiation dividing plate and a block are insulating material.
Taper fastening teeth is pyramid.
The using method of many cable assembling power transmitting devices comprises the steps:
The first step, determines total wire diameter, first according to supply load, calculates the effective diameter of required electric power cable conductors;
Second step, differentiation cable, according to the effective diameter of the required electric power cable conductors calculated, combine according to existing thinner electric power cable, determine by the thinner electric power cable that many diameters, material and resistivity are identical in parallel to meet quantity and the diameter of the thinner electric power cable of the requirement of the effective diameter of required electric power cable conductors;
3rd step, assembling, according to the quantity of thinner electric power cable and the requirement of diameter, select the protecting pipe corresponded, and thinner electric power cable was penetrated in line chamber respectively, and bar to cross in line chamber an only electric power cable, and at protecting pipe two ends place, Wiring nose corresponding with Guo Xianqiang position, its place respectively for each electric power cable conductor crossed in line chamber is connected, during connection, first in the socket pipe of Wiring nose, enough conductive pastes are filled, then electric power cable conductor is deep into socket pipe, finally utilizes external force to be compressed with electric power cable conductor by socket pipe and be connected;
4th step, wiring, by the electric power cable group after having assembled, utilizes its multiple Wiring nose to realize respectively being connected with the electric power between power supply with electrical appliance.
One aspect of the present invention can solve easily flexibly all kinds of diametric requirements electric cable with large cross-section use needs, what reduce electric cable with large cross-section manufactures cost, also effectively solve the kelvin effect easily occurred in electric cable with large cross-section on the other hand, thus greatly improve the serviceability of electric power cable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Conveniently understand, be described below in conjunction with view and instantiation,
As shown in Figure 1, a kind of transmission of electricity many cable group assembling device, be made up of conductive contact and protecting pipe, protecting pipe is made up of tube wall 1 and differentiation dividing plate 2, differentiation dividing plate 2 is connected with tube wall 1 inner surface, and differentiation dividing plate 2 distribution arrangement and protecting pipe axis being parallel, and protecting pipe inner chamber is divided at least two cross-sections surfaces and amasss and identical cross line chamber 3, cross line chamber 3 inwall and separately establish electro-magnetic screen layer 4, protecting pipe two ends tube wall 1 outer wall establishes anti-skid design 5, protecting pipe tube wall 1 outer wall separately establishes at least one block 6, be arranged on insulator foot 8 after Wiring nose 7 parallel connection that conductive contact is consistent with line chamber 3 quantity by quantity and form, insulator foot 8 one end is coated on protecting pipe two ends, the other end establishes insulation catch 9 to be isolated by each Wiring nose 7, Wiring nose is made up of wiring tongue 10 and socket pipe 11, wherein wiring tongue 10 is tangent with socket pipe 11 outer wall, wiring tongue 10 is separately established at least one connecting screw hole 12, the uniform taper fastening teeth 13 of socket pipe 11 inner surface.
Embodiment 1: set certain model cable conductor effective cross-sectional area as 3000mm2, and adopt copper conductors, its using method is:
The first step, determines total wire diameter, first according to supply load, show that the effective diameter of required electric power cable conductors is 3000mm2 after calculating;
Second step, differentiation cable, according to the effective diameter of 3000mm2, combines according to existing thinner electric power cable, can be realized by the parallel connection of 6 500mm2 electric power cables;
3rd step, assembling, according to the actual needs of 6 500mm2 electric power cables, select the protecting pipe corresponded, and 500mm2 electric power cable is crossed in line chamber respectively, and bar to cross in line chamber an only electric power cable, and at protecting pipe two ends place, Wiring nose corresponding with Guo Xianqiang position, its place respectively for each electric power cable conductor crossed in line chamber is connected, during connection, first in the socket pipe of Wiring nose, enough conductive pastes are filled, then electric power cable conductor is deep into socket pipe, finally utilizes external force to be compressed with electric power cable conductor by socket pipe and be connected;
4th step, wiring, by the electric power cable group after having assembled, utilizes its 6 Wiring noses to realize respectively being connected with the electric power between power supply with electrical appliance.
Embodiment 2: set certain model cable conductor effective cross-sectional area as 3500mm2, and adopt copper conductors, then its production technology is:
The first step, determines total wire diameter, first according to supply load, show that the effective diameter of required electric power cable conductors is 3500mm2 after calculating;
Second step, differentiation cable, according to the effective diameter of 3500mm2, combines according to existing thinner electric power cable, can be realized by the parallel connection of 7 500mm2 electric power cables;
3rd step, assembling, according to the actual needs of 7 500mm2 electric power cables, select the protecting pipe corresponded, and 500mm2 electric power cable is crossed in line chamber respectively, and bar to cross in line chamber an only electric power cable, and at protecting pipe two ends place, Wiring nose corresponding with Guo Xianqiang position, its place respectively for each electric power cable conductor crossed in line chamber is connected, during connection, first in the socket pipe of Wiring nose, enough conductive pastes are filled, then electric power cable conductor is deep into socket pipe, finally utilizes external force to be compressed with electric power cable conductor by socket pipe and be connected;
4th step, wiring, by the electric power cable group after having assembled, utilizes its 7 Wiring noses to realize respectively being connected with the electric power between power supply with electrical appliance.

Claims (5)

1. transmission of electricity many cable group assembling device, it is characterized in that: described many cable assembling power transmitting devices are made up of conductive contact and protecting pipe, described protecting pipe is made up of tube wall and differentiation dividing plate, described differentiation dividing plate is connected with inner surface of tube wall, and differentiation dividing plate distribution arrangement and protecting pipe axis being parallel, and protecting pipe inner chamber is divided at least two cross-sections surfaces and amasss and identical cross line chamber, described line cavity wall of crossing separately establishes electro-magnetic screen layer, described protecting pipe tube wall two ends outer wall establishes anti-skid design, protecting pipe tube wall outer wall separately establishes at least one block, be arranged on insulator foot after the Wiring nose parallel connection that described conductive contact is consistent with line chamber quantity by quantity and form, described insulator foot one end is coated on protecting pipe two ends, the other end establishes insulation catch to be isolated by each Wiring nose, described Wiring nose is made up of wiring tongue and socket pipe, wherein wiring tongue and socket pipe outer wall tangent, described wiring tongue separately establishes at least one connecting screw hole, the uniform taper fastening teeth of described socket pipe inner surface.
2. one transmission of electricity according to claim 1 is with many cable group assembling device, it is characterized in that: described Wiring nose material is copper, aluminium, copper alloy or aluminium alloy.
3. one transmission of electricity many cable group assembling device according to claim 1, is characterized in that: described protecting pipe tube wall, differentiation dividing plate and a block are insulating material.
4. one transmission of electricity according to claim 1 is with many cable group assembling device, it is characterized in that: described taper fastening teeth is pyramid.
5. a transmission of electricity using method for many cable group assembling device, is characterized in that: described using method comprises the steps:
The first step, determines total wire diameter, first according to supply load, calculates the effective diameter of required electric power cable conductors;
Second step, differentiation cable, according to the effective diameter of the required electric power cable conductors calculated, combine according to existing thinner electric power cable, determine by the thinner electric power cable that many diameters, material and resistivity are identical in parallel to meet quantity and the diameter of the thinner electric power cable of the requirement of the effective diameter of required electric power cable conductors;
3rd step, assembling, according to the quantity of thinner electric power cable and the requirement of diameter, select the protecting pipe corresponded, and thinner electric power cable was penetrated in line chamber respectively, and bar to cross in line chamber an only electric power cable, and at protecting pipe two ends place, Wiring nose corresponding with Guo Xianqiang position, its place respectively for each electric power cable conductor crossed in line chamber is connected, during connection, first in the socket pipe of Wiring nose, enough conductive pastes are filled, then electric power cable conductor is deep into socket pipe, finally utilizes external force to be compressed with electric power cable conductor by socket pipe and be connected;
4th step, wiring, by the electric power cable group after having assembled, utilizes its multiple Wiring nose to realize respectively being connected with the electric power between power supply with electrical appliance.
CN201410534223.6A 2014-10-13 2014-10-13 One kind transmission of electricity many cable assembling devices and application method Active CN105575559B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109313966A (en) * 2016-06-01 2019-02-05 菲尼克斯电动交通有限公司 It is used for transmission the charge cable of electric energy, for exporting the charging plug and charging station of electric energy on electric energy receiver
CN114141405A (en) * 2021-11-03 2022-03-04 西安交通大学 Current through-flow structure for eliminating skin effect

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02101911A (en) * 1988-10-11 1990-04-13 Hitachi Cable Ltd Laying of another cable into existing multiconductor cable
CN1118505A (en) * 1994-09-08 1996-03-13 林美美 Non-conventional shape and structure wire cable and accessory
CN2385452Y (en) * 1999-07-12 2000-06-28 陈大宁 Cable and optical cable protective tube
CN202997461U (en) * 2012-12-20 2013-06-12 施良善 Tubular busbar specially for power supply for high-rise building floor
CN204332554U (en) * 2014-10-13 2015-05-13 国家电网公司 A kind of transmission of electricity many cable group assembling device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02101911A (en) * 1988-10-11 1990-04-13 Hitachi Cable Ltd Laying of another cable into existing multiconductor cable
CN1118505A (en) * 1994-09-08 1996-03-13 林美美 Non-conventional shape and structure wire cable and accessory
CN2385452Y (en) * 1999-07-12 2000-06-28 陈大宁 Cable and optical cable protective tube
CN202997461U (en) * 2012-12-20 2013-06-12 施良善 Tubular busbar specially for power supply for high-rise building floor
CN204332554U (en) * 2014-10-13 2015-05-13 国家电网公司 A kind of transmission of electricity many cable group assembling device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109313966A (en) * 2016-06-01 2019-02-05 菲尼克斯电动交通有限公司 It is used for transmission the charge cable of electric energy, for exporting the charging plug and charging station of electric energy on electric energy receiver
CN109313966B (en) * 2016-06-01 2021-08-24 菲尼克斯电动交通有限公司 Charging cable for transmitting electrical energy, charging plug for outputting electrical energy at a power receiver, and charging station
US11349230B2 (en) 2016-06-01 2022-05-31 Phoenix Contact E-Mobility Gmbh Charging cable for transmitting electric energy, charging plug and charging station for discharging electric energy to a recipient of electric energy
CN114141405A (en) * 2021-11-03 2022-03-04 西安交通大学 Current through-flow structure for eliminating skin effect
CN114141405B (en) * 2021-11-03 2023-03-10 西安交通大学 Current through-flow structure for eliminating skin effect

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Address after: 100031 West Street, Beijing, Xicheng District, No. 86, No.

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