CN108281871A - A kind of connection method of wire conductor - Google Patents
A kind of connection method of wire conductor Download PDFInfo
- Publication number
- CN108281871A CN108281871A CN201810023985.8A CN201810023985A CN108281871A CN 108281871 A CN108281871 A CN 108281871A CN 201810023985 A CN201810023985 A CN 201810023985A CN 108281871 A CN108281871 A CN 108281871A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- wire conductor
- wire
- conductor
- graphene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/058—Crimping mandrels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
Abstract
This application discloses a kind of connection method of wire conductor, two wire conductors for being attached by the method, which is characterized in that the method includes：The opposite end of two wire conductors is inserted into from a connecting tube both ends in the connecting tube respectively, makes the end contact of two wire conductors；Length of two wire conductors in the connecting tube is adjusted, two wire conductors is made to be inserted into the equal length in the connecting tube；From the gap of the wire conductor and the connecting tube into the connecting tube uniform filled graphite alkene；This method is attached two electric wire wire conductors by graphene filling, and it is accordingly detected, so that the connecting portion of two wire conductors is qualified, and the contact resistance of the junction of the wire conductor of this method connection is small, it generates heat after energization less, compared with the prior art, that electric conductivity for effectively improving junction.
Description
Technical field
This application involves wire conductor interconnection technique field more particularly to a kind of connection methods of wire conductor.
Background technology
With the fast development of China's power grid construction, the requirement of construction technology is higher and higher, in the erection construction mistake of power grid
Cheng Zhong, the connection between wire conductor are steps very crucial in construction, and the quality of wire conductor connection directly influences electricity
The electric conductivity and heat resistance of line conductor, to influence reliability and the safety of transmission of electricity.
Currently, the connection between wire conductor generally carries out bolt pressure by device clamp or copper wire nose to wire conductor
It connecing, the contact area of such connection type, wire conductor is small, the problem of easy ting produce poor contact, while contact resistance is larger,
It is also easy to produce heating problem, is reduced so as to cause electrical efficiency.
Therefore there is an urgent need for inventing a kind of connection method of novel wire conductor, to reduce contact resistance, wire conductor is reduced
The fever of junction improves electric conductivity.
Invention content
This application provides a kind of connection methods of wire conductor to reduce wire conductor junction to reduce contact resistance
Fever, improve electric conductivity.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical solution：
The embodiment of the present application discloses a kind of connection method of wire conductor, the method be used for by two wire conductors into
Row connection, which is characterized in that the method includes：
The opposite end of two wire conductors is inserted into from a connecting tube both ends in the connecting tube respectively, makes two
The end of the wire conductor contacts；
Length of two wire conductors in the connecting tube is adjusted, two wire conductors is made to be inserted into the company
Take over interior equal length；
From the gap of the wire conductor and the connecting tube into the connecting tube uniform filled graphite alkene；
The one end being in contact along the both ends of the connecting tube to two wire conductors is same by two wire conductors
When compress；
X-ray is carried out to the graphene of wire conductor and filling in the connecting tube by X-ray non-destructive detecting device
Nondestructive inspection detects；
If the graphene of the wire conductor and filling in the connecting tube meets the requirements, described in the connecting tube
Wire conductor and the wire conductor for being not filled by graphene are powered by power-supply device, and pass through infrared temperature tester
Temperature detection is carried out to the energization position of the corresponding wire conductor；
If the temperature of the wire conductor in the connecting tube is not higher than the wire conductor for being not filled by graphene
Heating temperature, then two wire conductor connections are completed；
If the temperature of the wire conductor in the connecting tube is higher than the hair for the wire conductor for being not filled by graphene
Hot temperature then repeats compressions, X-ray non-destructive testing, energization and the step of temperature detection, until temperature detection result is the company
The temperature of the wire conductor in taking over is not higher than the heating temperature for the wire conductor for being not filled by graphene, then two institutes
Wire conductor connection is stated to complete.
Preferably, it is described by X-ray non-destructive detecting device to the graphite of wire conductor and filling in the connecting tube
Alkene carries out X-ray nondestructive inspection detection, including：
The X-ray non-destructive detecting device is scanned the connecting tube, and two wire conductors of detection connect
Tactile one end whether there is bubble with the presence or absence of the graphene behind gap and filling；
If the gap or bubble is not present, the graphene of wire conductor and filling in the connecting tube conforms to
It asks；Otherwise, undesirable.
Preferably, the wire conductor to junction and the wire conductor for being not filled by graphene pass through power supply
Equipment is powered, and carries out temperature detection to the energization position of the corresponding wire conductor by infrared temperature tester,
Including：
By power-supply device respectively in connecting tube the wire conductor and the electric wire isometric with connecting tube lead
Body section is powered；
Size of current is adjusted by power-supply device；
Temperature detection is carried out simultaneously to the energization position of the wire conductor under different electric currents by infrared temperature tester
Record.
Preferably, if the temperature of the wire conductor in the connecting tube is not higher than the electric wire for being not filled by graphene
Before the heating temperature of conductor, including：
To in the connecting tube under same current the wire conductor and and with the electricity isometric with connecting tube
The temperature of line conductor segment is compared.
Preferably, the centre position in the connecting tube is provided with the baffle ring around connection inside pipe wall circumference, wherein described
The opposite end of two wire conductors is inserted into from a connecting tube both ends in the connecting tube respectively, including：
The opposite end of two wire conductors is inserted into from connecting tube both ends in the connecting tube respectively, until described
Wire conductor is connected in the baffle ring, makes the end contact of two wire conductors.
Preferably, one end of two wire conductors is both provided with mark line, and the mark line is led apart from the electric wire
The length in body end portion is the half of the connecting tube total length.
Compared with prior art, the application has the beneficial effect that：
This method is used as the packing material of the junction of wire conductor by graphene, utilizes the good electric conductivity of graphene
And high-temperature stability, graphene can effectively reduce contact resistance as packing material, to effectively reduce wire conductor junction
Fever, effectively improve the electric conductivity of wire conductor junction, while the good high-temperature stability of graphene, can effectively improve
The reliability of transmission of electricity and safety.In this method, connect being inserted at the both ends of two wire conductors from the both ends of connecting tube respectively
It after taking over, needs to carry out compression operation to wire conductor, compressing operation can avoid the graphene being filled in connecting tube to go out as possible
There is gap in one end that existing bubble or two conducting wires are in contact, to avoid one of presence or wire conductor contact due to bubble
There are gaps to lead to poor contact at end, causes the contact resistance in connecting tube larger, and after preventing energization, wire conductor fever is excessively high
And energization efficiency is caused to decline, it is also needed to through X-ray non-destructive detecting device to described after carrying out extrusion operation to wire conductor
The graphene of wire conductor and filling in connecting tube carries out X-ray nondestructive inspection detection, preliminary to confirm filling in connecting tube
Graphene whether there is gap with the presence or absence of the position of bubble and two wire conductors being in contact, if X-ray nondestructive inspection
Detection meets the requirements, then again respectively in connecting tube wire conductor and the wire conductor section isometric with connecting tube be powered
It detects, and the temperature measured under same current to two sections of wire conductors compares, if the wire conductor in connecting tube
Heating temperature is not more than the heating temperature of wire conductor normal reach, then the connection of two wire conductors is qualified, X-ray nondestructive inspection
Detection carries out preliminary detection, avoids as far as possible before the detection that is powered, still remains bubble or gap, the energization to wire conductor
Detection and temperature comparisons, can further confirm that whether the connection of wire conductor is qualified, and the conductive effect of graphene is better than electric wire
Conductor, therefore the connection of such as wire conductor is qualified, the heating temperature after the wire conductor in connecting tube is powered is less than normal electric wire
Conductor segment, X-ray nondestructive inspection detection can ensure that wire conductor connects qualification with the detection that is powered.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The application can be limited.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of electric wire provided by the present application；
Fig. 2 is a kind of flow diagram of the connection method of wire conductor provided by the present application.
Wherein, 1- wire conductors, 2- graphenes, 3- connecting tubes.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work should all belong to the application protection
Range.
To reduce the contact resistance of wire conductor junction, heating temperature when being powered is reduced, wire conductor connection is improved
The electric conductivity at place there is presently provided a kind of connection method of wire conductor, what this method can be safe and reliable by two wire conductors
Connection.
Referring to Fig. 1, Fig. 1 is the electric wire formed after the connection method connection by a kind of wire conductor provided by the present application
Structural schematic diagram, as shown in Figure 1, the electric wire includes two wire conductors 1 and a connecting tube 3, connecting tube 3 is two electricity of support
The component of 1 junction of line conductor, graphene 2 are the filling jointing material of two wire conductors 1 connection, two wire conductors 1
A part respectively penetrates in connecting tube 3, and penetrates the equal length in the wire conductor 1 in connecting tube 3, and wire conductor 1 with
Graphene 2 is filled between connecting tube 3.In the embodiment of the present application, the outer diameter of wire conductor 1 is smaller 6- than the internal diameter of connecting tube 3
9mm can pass through the gap filling graphite between wire conductor 1 and connecting tube 3 after connecting tube 3 is inserted into the end of wire conductor 1
Alkene 2.
Referring to Fig. 2, Fig. 2 is a kind of flow diagram of the connection method of wire conductor provided by the present application, this method packet
Include following steps：
S101：Wire conductor docks in connecting tube.
The opposite end of two wire conductors is inserted into from connecting tube both ends in connecting tube respectively, makes two wire conductors
End contacts, and the end of wire conductor refers to the inner core of wire conductor；
Length of two wire conductors in connecting tube is adjusted, two wire conductors is made to be inserted into the length phase in connecting tube
Deng intubating length is equal, can avoid due to electricity so that the position that is in contact of two wire conductor ends is located at the middle part of connecting tube
The position of connecting tube nozzle is biased in the position that line conductor is in contact in connecting tube, and wire conductor is caused to be possible to be disconnected
Two wire conductors are inserted into identical length by pipe in connecting tube, can make the support force of two wire conductors of connecting tube pair
More uniformly, wire conductor is prevented to be disconnected pipe.
It is the part that two wire conductors are more efficiently stretched into connecting tube as a preferred embodiment of the present invention
It is adjusted to identical length, the centre position setting in connecting tube is around the baffle ring of connection inside pipe wall circumference, the internal diameter of baffle ring
It is bigger 1-2mm than the outer diameter of wire conductor, the opposite end of two wire conductors is inserted into from connecting tube both ends in connecting tube respectively,
Until wire conductor is connected in baffle ring, make the end contact of two wire conductors, in this operating process, it is only necessary to by two electric wires
Conductor is inserted into from the both ends of connecting tube, can not be continued into connecting tube in two wire conductors, at this point, two electric wires
The length that conductor is inserted into connecting tube is identical, and the position that is in contact of the end of two wire conductors is located at the middle part of connecting tube.
As another parallel embodiment of the present invention, in one end setting flag line of two wire conductors, mark line away from
Length from wire conductor end is that the half of connecting tube total length works as label when being inserted into wire conductor in connecting tube
Line is concordant with the nozzle of connecting tube, then wire conductor be located at the length in connecting tube be connecting tube total length two/.
S102：Filled graphite alkene in connecting tube.
From from the gap of wire conductor and connecting tube into connecting tube uniform filled graphite alkene, can simultaneously the two of connecting tube
End is filled, and graphene expires the gap filling of wire conductor and connecting tube, the position that the ends of two wire conductors is in contact
It sets if there is gap, graphene can also penetrate into.
S103:Wire conductor is compressed.
It after carrying out graphene filling, needs to carry out compression operation to wire conductor, along the both ends of connecting tube to two electricity
One end that line conductor is in contact is by two wire conductors while compressing, and the stone being filled in connecting tube can be avoided as possible by compressing operation
There is one end that bubble or two conducting wires are in contact and gap occurs in black alkene, to avoid presence due to bubble or wire conductor from connecing
There are gaps to lead to wire conductor poor contact for tactile one end, causes the contact resistance in connecting tube larger, after preventing energization, electricity
Line conductor temp.-elevating is excessively high and energization efficiency is caused to decline.
S104：Judge that X-ray nondestructive inspection detects whether to meet the requirements.
It is lossless that X-ray is carried out to the graphene of wire conductor and filling in connecting tube by X-ray non-destructive detecting device
Carrying out flaw detection；
X-ray non-destructive detecting device is scanned connecting tube, and whether the one end of two wire conductors of detection being in contact
There are the graphenes behind gap and filling whether there is bubble；If bubble or gap is not present, meets the requirements, otherwise, be not inconsistent
It closes and requires.
If the graphene of the wire conductor and filling in connecting tube meets the requirements, next step energizing test is carried out, if not
It meets the requirements, then repeatedly the compaction step of S103, X-ray non-destructive detecting device carry out X-ray scanning to connecting tube position, if
Graphene filling in connecting tube is more uniform, and the position that no bubble generates and the end of two wire conductors is in contact
There is no gap, then X-ray non-destructive detecting device will not send out alarm, and acquiescence X-ray nondestructive inspection detects composite demand, and X is penetrated
Line nondestructive inspection detects, and only can be used as Preliminary detection, avoids when carrying out energizing test, the gas that the graphene of filling still remains
There are gaps for the end contact site of bubble or two wire conductors.
S105：Energizing test.
It is powered, and led to by power-supply device with the wire conductor for being not filled by graphene to the wire conductor in connecting tube
Infrared temperature tester is crossed to carry out temperature detection to the energization position of corresponding wire conductor and record.
S106：Judge the heating temperature of the wire conductor in connecting tube whether not higher than the wire conductor for being not filled by graphene
Section.
If the heating temperature of the wire conductor in connecting tube is not higher than the fever for the wire conductor for being not filled by graphene
Temperature, then two wire conductor connections are completed；Energizing test to wire conductor and temperature comparisons can further confirm that electric wire
Whether the connection of conductor is qualified, and the conductive effect of graphene is better than wire conductor, therefore the connection of such as wire conductor is qualified, is not having
In the case of bubble and gap, then the heating temperature after the wire conductor in connecting tube is powered is less than the electricity for being not filled by graphene
Line conductor segment, X-ray nondestructive inspection detection can ensure that wire conductor connects qualification with the detection that is powered.
If the temperature of the wire conductor in connecting tube is higher than the heating temperature for the wire conductor for being not filled by graphene, repeat
The step of compression, X-ray non-destructive testing, energization and temperature detection, until warm comparing result is the wire conductor in connecting tube
Heating temperature is not higher than the heating temperature for the wire conductor for being not filled by graphene, then two wire conductor connections are completed.
As a preferred embodiment of the present invention, in energizing test, by power-supply device respectively in connecting tube
Wire conductor and the wire conductor section isometric with connecting tube 3 are powered；
Circuit current size is adjusted by power-supply device, may respectively be 200A, 400A, 800A and 1000A；
Temperature detection is carried out to the energization position of the wire conductor under different electric currents by infrared temperature tester and is recorded,
The heating temperature of the wire conductor and the wire conductor section isometric with connecting tube in the connecting tube under same current size is compared,
It is compared using four groups of data, is avoided that and makes temperature pair since single operation error causes temperature data acquisition inaccurate
Than inaccuracy.
Since embodiment of above is that reference combination illustrates on other modes, have between different embodiments
There is an identical part, just to refer each other for identical, similar part between each embodiment in this specification.Herein no longer in detail
It illustrates.
It should be noted that in the present specification, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that circuit structure, article or equipment including a series of elements include not only those elements,
But also include other elements that are not explicitly listed, or further include solid by this circuit structure, article or equipment
Some elements.In the absence of more restrictions, have sentence "including a ..." limit element, it is not excluded that including
There is also other identical elements in the circuit structure of the element, article or equipment.
Those skilled in the art will readily occur to its of the application after considering specification and putting into practice the disclosure invented here
His embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the application and includes the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are wanted by right
The content asked is pointed out.
Above-described the application embodiment does not constitute the restriction to the application protection domain.
Claims (6)
1. a kind of connection method of wire conductor, two wire conductors for being attached by the method, which is characterized in that institute
The method of stating includes：
The opposite end of two wire conductors is inserted into from a connecting tube both ends in the connecting tube respectively, is made described in two
The end of wire conductor contacts；
Length of two wire conductors in the connecting tube is adjusted, two wire conductors is made to be inserted into the connecting tube
Interior equal length；
From the gap of the wire conductor and the connecting tube into the connecting tube uniform filled graphite alkene；
The one end being in contact along the both ends of the connecting tube to two wire conductors is by two wire conductors while pressing
Tightly；
It is lossless that X-ray is carried out to the graphene of wire conductor and filling in the connecting tube by X-ray non-destructive detecting device
Carrying out flaw detection；
If the graphene of the wire conductor and filling in the connecting tube meets the requirements, to the electric wire in the connecting tube
Conductor and the wire conductor for being not filled by graphene are powered by power-supply device, and by infrared temperature tester to phase
The energization position for the wire conductor answered carries out temperature detection；
If the temperature of the wire conductor in the connecting tube is not higher than the fever for the wire conductor for being not filled by graphene
Temperature, then two wire conductor connections are completed；
If the temperature of the wire conductor in the connecting tube is higher than the fever temperature for the wire conductor for being not filled by graphene
The step of spending, then repeating compression, X-ray non-destructive testing, energization and temperature detection, until the electric wire in the connecting tube is led
The temperature of body is not higher than the heating temperature for the wire conductor for being not filled by graphene, then two wire conductors have connected
At.
2. according to the method described in claim 1, it is characterized in that, it is described by X-ray non-destructive detecting device to the connection
The graphene of wire conductor and filling in pipe carries out X-ray nondestructive inspection detection, including：
The X-ray non-destructive detecting device is scanned the connecting tube, detects being in contact for two wire conductors
One end whether there is bubble with the presence or absence of the graphene behind gap and filling；
If the gap or bubble is not present, the graphene of wire conductor and filling in the connecting tube meets the requirements；It is no
Then, undesirable.
3. according to the method described in claim 1, it is characterized in that, the wire conductor to junction and being not filled by stone
The wire conductor of black alkene is powered by power-supply device, and is led to the corresponding electric wire by infrared temperature tester
The energization position of body carries out temperature detection, including：
By power-supply device respectively in connecting tube the wire conductor and the wire conductor section isometric with connecting tube
It is powered；
Size of current is adjusted by power-supply device；
Temperature detection is carried out to the energization position of the wire conductor under different electric currents by infrared temperature tester and is recorded.
If 4. according to the method described in claim 1, it is characterized in that, the temperature of the wire conductor in the connecting tube not
Higher than before being not filled by the heating temperature of the wire conductor of graphene, including：
To in the connecting tube under same current the wire conductor and the wire conductor isometric with connecting tube
Temperature is compared.
5. according to the method described in claim 1, it is characterized in that, the centre position in the connecting tube is provided with around connection
The baffle ring of inside pipe wall circumference, wherein the end that two wire conductors are opposite is inserted into from a connecting tube both ends respectively
In the connecting tube, including：
The opposite end of two wire conductors is inserted into from connecting tube both ends in the connecting tube respectively, until the electric wire
Conductor is connected in the baffle ring, makes the end contact of two wire conductors.
6. according to the method described in claim 1, it is characterized in that, one end of two wire conductors is both provided with label
Line, length of the mark line apart from the wire conductor end are the half of the connecting tube total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023985.8A CN108281871B (en) | 2018-01-10 | 2018-01-10 | A kind of connection method of wire conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023985.8A CN108281871B (en) | 2018-01-10 | 2018-01-10 | A kind of connection method of wire conductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108281871A true CN108281871A (en) | 2018-07-13 |
| CN108281871B CN108281871B (en) | 2019-11-01 |
Family
ID=62803472
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810023985.8A Active CN108281871B (en) | 2018-01-10 | 2018-01-10 | A kind of connection method of wire conductor |
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| JP2009199892A (en) * | 2008-02-21 | 2009-09-03 | Sumitomo Electric Fine Polymer Inc | Crimp terminal with heat shrinkage tube, jig for manufacturing the crimp terminal, and manufacturing method |
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| CN103050798A (en) * | 2012-12-13 | 2013-04-17 | 中国电力科学研究院 | Graphene nanomaterial wire splicing fitting and splicing method |
| CN103094727A (en) * | 2012-12-13 | 2013-05-08 | 中国电力科学研究院 | Adhesion type grapheme nano material wire connection ironware and connection method |
| WO2015029347A1 (en) * | 2013-08-30 | 2015-03-05 | 株式会社アマダミヤチ | Terminal connection structure, production method and production device therefor |
-
2018
- 2018-01-10 CN CN201810023985.8A patent/CN108281871B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009199892A (en) * | 2008-02-21 | 2009-09-03 | Sumitomo Electric Fine Polymer Inc | Crimp terminal with heat shrinkage tube, jig for manufacturing the crimp terminal, and manufacturing method |
| CN202384584U (en) * | 2011-12-15 | 2012-08-15 | 哈尔滨光宇电源股份有限公司 | Battery connecting wire with temperature detector |
| CN103050798A (en) * | 2012-12-13 | 2013-04-17 | 中国电力科学研究院 | Graphene nanomaterial wire splicing fitting and splicing method |
| CN103094727A (en) * | 2012-12-13 | 2013-05-08 | 中国电力科学研究院 | Adhesion type grapheme nano material wire connection ironware and connection method |
| WO2015029347A1 (en) * | 2013-08-30 | 2015-03-05 | 株式会社アマダミヤチ | Terminal connection structure, production method and production device therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108281871B (en) | 2019-11-01 |
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