CN109920596A - A kind of i.e. disconnected type cable of safety - Google Patents

A kind of i.e. disconnected type cable of safety Download PDF

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Publication number
CN109920596A
CN109920596A CN201910232493.4A CN201910232493A CN109920596A CN 109920596 A CN109920596 A CN 109920596A CN 201910232493 A CN201910232493 A CN 201910232493A CN 109920596 A CN109920596 A CN 109920596A
Authority
CN
China
Prior art keywords
retaining ring
filler
type cable
cable
annulus retaining
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.)
Pending
Application number
CN201910232493.4A
Other languages
Chinese (zh)
Inventor
徐振铎
普建功
赵晋浩
吕五鹏
李本营
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Hong Feng Cable Ltd Co
Original Assignee
Henan Hong Feng Cable Ltd Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Hong Feng Cable Ltd Co filed Critical Henan Hong Feng Cable Ltd Co
Priority to CN201910232493.4A priority Critical patent/CN109920596A/en
Publication of CN109920596A publication Critical patent/CN109920596A/en
Pending legal-status Critical Current

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Abstract

The invention patent belongs to the technical field of power cable; specifically disclose a kind of i.e. disconnected type cable of safety; including wire stylet, insulating layer, protection jacket layer and emergency set; the emergency set is fixed on the joint between wire stylet; the emergency set includes a pair of annulus retaining ring and adjustable spring being sleeved on protection jacket layer; the pair of annulus retaining ring is located at the two sides of connector, and the both ends of the adjustable spring are contradicted with annulus retaining ring respectively, and institute's adjustable spring is in compressive state;The connector includes copper sheathing and wire stylet is respectively interposed in copper sheathing both ends, and the filler that resistance is small, electric conductivity is strong is provided in the copper sheathing, and the fusing point of the filler is slightly less than or equal to the insulating layer or the burning point of protection jacket layer.The present invention is utilized when joint catches fire, and the filler can also melt, and the wire stylet of junction avoids the generation of fire due to losing the bonding strength of filler and the power of pullling of insulating layer and protection jacket layer, the circuit of realization cutting cable.

Description

A kind of i.e. disconnected type cable of safety
Technical field
The invention patent relates to the technical field of power cable, the i.e. disconnected type cable of especially a kind of safety.
Background technique
With China's expanding economy, various architectural engineerings are developed with unprecedented scale and speed, to electrical equipment Requirement it is also higher and higher.In recent years, since fire caused by electrical gradually increases, and wherein drawn due to wire and cable The fire of hair occupies sizable ratio.
In construction projects, be mostly cable exposure is aerial, the reason of causing ignition of cable have it is very much, such as Line short and circuit overload etc. are also all that electric current in cable is caused to increase, short time inside conductor core can all be caused largely to generate heat Reach cable insulation and protect the burning point of jacket layer, to cause ignition of cable, and near also being ignited by ignition of cable Combustible object causes fire;In addition, because the price of cable be it is very high, when whole cable be burned out will also result in it is a large amount of Economic loss.
Based on this, how to avoid ignition of cable initiation fire and whole cable from being burned out is that those skilled in the art need at present Technical problems to be solved.
Summary of the invention
For the problems of the prior art, the invention aims to provide a kind of i.e. disconnected type cable of safety.
In order to achieve the above object, the technical scheme is that
A kind of i.e. disconnected type cable of safety, including wire stylet, insulating layer and protection jacket layer, further include emergency set, described to answer Anxious device is fixed on the joint between wire stylet, and the emergency set includes a pair of annulus retaining ring being sleeved on protection jacket layer And adjustable spring, the pair of annulus retaining ring are located at the two sides of connector, the both ends of the adjustable spring are supported with annulus retaining ring respectively Touching, and institute's adjustable spring is in compressive state;
The connector includes copper sheathing and wire stylet is respectively interposed in copper sheathing both ends, and it is small, conductive that resistance is provided in the copper sheathing Property strong filler, the fusing point of the filler is slightly less than or equal to the insulating layer or protects the burning point of jacket layer.
Further, the filler is tin.
Further, the annulus retaining ring is the non-closed circular ring structure for being provided with opening.
Further, the annulus retaining ring is provided with the regulating mechanism for adjusting openings of sizes.
Further, regulating mechanism includes the attachment strap and bolt at a pair of both ends for being separately positioned on opening annulus retaining ring, and The through-hole interted for bolt is provided on the attachment strap.
Further, the annulus retaining ring includes the first snap ring and the second snap ring, and one end of first snap ring is blocked with second One end of ring is hinged.
Further, adhesive-layer is provided between the annulus retaining ring and protection jacket layer.
Further, the surface of the adjustable spring is provided with zinc coat.
Compared with prior art, a kind of i.e. disconnected type construction of cable of safety provided by the invention is unusual, easy to operate, and It has the advantages that
1), the connector of wire stylet in cable is set as connecting wire stylet by copper pipe, and is provided with resistance by interior Filler small, electric conductivity is strong, by the bonding strength between filler secure wires core, and because of the electricity of wire stylet joint Resistance is greater than the resistance of wire stylet, so typically joint fever is most fast when electric current increases suddenly in circuit, catches fire at first Be joint, joint catch fire when because the fusing point of the filler be slightly less than or be equal to the insulating layer or protective case The burning point of layer, the filler also can first melt, and the bonding strength between the wire stylet substantially reduces, the wire stylet of junction Since the bonding strength and insulating layer and protection jacket layer that lose filler pull power, thus can be in the recovery deformation of adjustable spring Elastic force effect under separate wire stylet, realize cutting cable circuit, avoid the generation of fire;
2) it, is broken under the action of the emergency set by cable, avoids the generation of fire, to also avoid electricity Cable is burnt, subsequent to solve the problems, such as after causing cable, it is only necessary to pick up to make again by blow two economize on electricity cables again With reducing urgent loss.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Attached drawing 1 is the structural schematic diagram that a kind of safety is disconnected type cable.
Attached drawing 2 is the structural schematic diagram that a kind of safety of embodiment 1 is annulus retaining ring in disconnected type cable.
Attached drawing 3 is the structural schematic diagram that a kind of safety of embodiment 2 is annulus retaining ring in disconnected type cable.
In figure: 1. wire stylets, 2. insulating layers, 3. protection jacket layers, 4. annulus retaining rings, 5. adjustable springs, 6. copper sheathings, 7. fillings Object, 8. first snap rings, 9. attachment straps, 10. second snap rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the i.e. disconnected type cable of a kind of safety as one embodiment of the present invention, including from inside to outside successively It further include emergency set, the emergency set is fixed on connecing between wire stylet 1 for wire stylet 1, insulating layer 2 and protection jacket layer 3 Head place, the connector are the tie point of wire stylet 1, i.e., the end junction of two wire stylets 1, and the cable that general length is grown is led Core 1 is mostly with connection, and the emergency set includes a pair of annulus retaining ring 4 and adjustable spring being sleeved on protection jacket layer 3 5, the pair of annulus retaining ring 4 is located at the two sides of connector, and is to be fastenedly connected with outermost protection jacket layer 3, the flexible bullet The both ends of spring 5 are contradicted with annulus retaining ring 4 respectively, and the distance between the pair of annulus retaining ring 4 is less than the original of adjustable spring 5 Length, i.e. institute's adjustable spring 5 are in compressive state;
The connector includes copper sheathing 6 and wire stylet 1 is respectively interposed in 6 both ends of copper sheathing, and the wire stylet 1 is connected by steel bushing, It is provided with the filler 7 that resistance is small, electric conductivity is strong in the copper sheathing 6 simultaneously, connecting wire core 1 after being solidified by filler 7, with Increase the bonding strength of 6 inside conductor core 1 of copper sheathing, the fusing point of the filler 7 is slightly less than or is equal to the insulating layer 2 or protective case The burning point of layer 3;
Because the resistance of 1 joint of wire stylet is greater than the resistance of wire stylet 1, when electric current increases suddenly in circuit, Typically joint fever is most fast, and what is caught fire at first is joint, when joint catches fire, because the filler 7 is molten Point is slightly less than or also can first melt equal to the insulating layer 2 or the burning point of protection jacket layer 3, the filler 7, the wire stylet 1 Between bonding strength substantially reduce, the wire stylet 1 of junction is due to losing the bonding strength of filler 7 and insulating layer 2 and protecting Restrictive coating 3 pulls power, to wire stylet 1 can be made to separate under the effect of the elastic force of the recovery deformation of adjustable spring 5, realizes cutting The circuit of cable avoids the generation of fire.
In the present embodiment, the filler 7 is tin, and tin generally does fuse use, and fusing point is low, at low cost, plays safety The effect of protection, and tin is melted convenient for that in addition can also be melted by tin and blow protection jacket layer 3 in advance, more in injection copper sheathing 6 Add insurance.
Such as Fig. 2, in embodiment 1, the annulus retaining ring 4 is the non-closed circular ring structure for being provided with opening, the cable It is interspersed in the inner hole of annulus retaining ring 4, the elasticity of annulus retaining ring 4 and cable is adjusted by setting opening, in addition may be used In order to the mounting circular ring retaining ring 4 on cable, it is not necessary to penetrate annulus retaining ring 4 from one end of cable, it is only necessary to move opening, make electricity Cable enters from opening, more convenient.
The annulus retaining ring 4 is provided with the regulating mechanism for adjusting openings of sizes, and it is big to adjust opening by the regulating mechanism The small inner hole size to adjust annulus retaining ring 4 is realized that adjusting annulus retaining ring 4 and the connection of cable protection jacket layer 3 are elastic, is reached The mesh being fastenedly connected.
In above-described embodiment, regulating mechanism includes 9 He of attachment strap at a pair of both ends for being separately positioned on opening annulus retaining ring 4 Bolt, and the through-hole interted for bolt is provided on the attachment strap 9, the through-hole on two attachment straps 9 is interted by one end of bolt, And the end is combined with nut, and the size for adjusting opening is realized by position of the adjusting nut on bolt, to adjust annulus gear Circle 4 is elastic with the connection of cable protective sleeve, and structure is simple.
Such as Fig. 3, in example 2, the annulus retaining ring 4 includes the first snap ring 8 and the second snap ring 10, first snap ring 8 one end and one end of the second snap ring 10 are hinged, by making the first snap ring 8 and the second snap ring 10 that can hingedly be directly installed on electricity On the protection jacket layer 3 of cable, without firmly breaking opening or firmly plug cable, more convenient, first snap ring 8 and the second snap ring into two with one's hands 10 other end is equally connected by regulating mechanism, by regulating mechanism adjust the first snap ring 8 and 10 other end of the second snap ring it Between distance, i.e., annulus retaining ring 4 be open size.
In the above-described embodiments, the annulus retaining ring 4 and protection jacket layer 3 between be provided with adhesive-layer, by adhesive-layer into One step reinforces between annulus retaining ring 4 and protection jacket layer 3 and is fastenedly connected intensity, avoids the annulus retaining ring 4 from sliding on cable, makes It fails at emergency set.
Preferably, the surface of the adjustable spring 5 is provided with zinc coat, avoids in routine use, the adjustable spring 5 It is corroded, influences the service life of adjustable spring 5.
Using the above scheme, a kind of i.e. disconnected type cable of safety provided by the invention is when in use, more convenient, will be electric In cable the connector of wire stylet 1 is set as connecting wire stylet 1 by copper pipe, and is provided with that resistance is small, electric conductivity is strong by interior Filler 7 is led by the bonding strength between 7 secure wires core 1 of filler, and because the resistance of 1 joint of wire stylet is greater than The resistance of core 1, so typically joint fever is most fast, and what is caught fire at first is to connect when electric current increases suddenly in circuit Head place, when joint catches fire, because the fusing point of the filler 7 is slightly less than or equal to the insulating layer 2 or protects jacket layer 3 Burning point, the filler 7 also can first melt, and the bonding strength between the wire stylet 1 substantially reduces, the wire stylet 1 of junction Since the bonding strength and insulating layer 2 and protection jacket layer 3 that lose filler 7 pull power, thus can be in the recovery of adjustable spring 5 Wire stylet 1 is separated under the elastic force effect of deformation, the circuit of cutting cable is realized, avoids the generation of fire;In addition, passing through electricity Cable is broken under the action of the emergency set, avoids the generation of fire, so that burning for cable is also avoided, subsequent solution After the problem of causing cable, it is only necessary to pick up to reuse by blow two economize on electricity cables again, reduce urgent loss.
The foregoing description of the disclosed embodiments can be realized those skilled in the art or using the present invention.To this A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest Range.

Claims (8)

1. a kind of i.e. disconnected type cable of safety, including wire stylet (1), insulating layer (2) and protection jacket layer (3), which is characterized in that also wrap Emergency set is included, the emergency set is fixed on the joint between wire stylet (1), and the emergency set is sleeved on including a pair The annulus retaining ring (4) and adjustable spring (5) on jacket layer (3) are protected, the pair of annulus retaining ring (4) is located at the two sides of connector, institute The both ends for stating adjustable spring (5) are contradicted with annulus retaining ring (4) respectively, and the adjustable spring (5) is in compressive state;
The connector includes copper sheathing (6), and copper sheathing (6) both ends are respectively interposed wire stylet (1), is provided with electricity in the copper sheathing (6) Filler (7) small, that electric conductivity is strong is hindered, the fusing point of the filler (7) is slightly less than or is equal to the insulating layer (2) or protective case The burning point of layer (3).
2. the i.e. disconnected type cable of safety according to claim 1, which is characterized in that the filler (7) is tin.
3. the i.e. disconnected type cable of safety according to claim 1, which is characterized in that the annulus retaining ring (4) is to be provided with out The non-closed circular ring structure of mouth.
4. the i.e. disconnected type cable of safety according to claim 3, which is characterized in that the annulus retaining ring (4) is provided with adjusting The regulating mechanism of openings of sizes.
5. the i.e. disconnected type cable of safety according to claim 4, which is characterized in that regulating mechanism is separately positioned on including a pair The attachment strap (9) and bolt at the both ends of opening annulus retaining ring (4), and the through-hole interted for bolt is provided on the attachment strap (9).
6. the i.e. disconnected type cable of safety according to claim 3, which is characterized in that the annulus retaining ring (4) includes the first card Ring (8) and the second snap ring (10), one end of first snap ring (8) and one end of the second snap ring (10) are hinged.
7. the i.e. disconnected type cable of safety according to claim 1 or 3, which is characterized in that the annulus retaining ring (4) and protective case Adhesive-layer is provided between layer (3).
8. the i.e. disconnected type cable of safety according to claim 1, which is characterized in that the surface of the adjustable spring (5) is arranged There is zinc coat.
CN201910232493.4A 2019-03-26 2019-03-26 A kind of i.e. disconnected type cable of safety Pending CN109920596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910232493.4A CN109920596A (en) 2019-03-26 2019-03-26 A kind of i.e. disconnected type cable of safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910232493.4A CN109920596A (en) 2019-03-26 2019-03-26 A kind of i.e. disconnected type cable of safety

Publications (1)

Publication Number Publication Date
CN109920596A true CN109920596A (en) 2019-06-21

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CN201910232493.4A Pending CN109920596A (en) 2019-03-26 2019-03-26 A kind of i.e. disconnected type cable of safety

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110232998A (en) * 2019-06-18 2019-09-13 王章力 Composite cable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120102729A1 (en) * 2004-03-01 2012-05-03 Novinium, Inc. Method for treating electrical cable at sustained elevated pressure
CN204066847U (en) * 2014-06-26 2014-12-31 江苏苏龙通信科技股份有限公司 Power cable
CN209708675U (en) * 2019-03-26 2019-11-29 河南虹峰电缆股份有限公司 A kind of i.e. disconnected type cable of safety

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120102729A1 (en) * 2004-03-01 2012-05-03 Novinium, Inc. Method for treating electrical cable at sustained elevated pressure
CN204066847U (en) * 2014-06-26 2014-12-31 江苏苏龙通信科技股份有限公司 Power cable
CN209708675U (en) * 2019-03-26 2019-11-29 河南虹峰电缆股份有限公司 A kind of i.e. disconnected type cable of safety

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110232998A (en) * 2019-06-18 2019-09-13 王章力 Composite cable
CN110232998B (en) * 2019-06-18 2020-12-18 无锡市新宇线缆有限公司 Composite cable

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CB02 Change of applicant information

Address after: 462600, Linying industrial agglomeration area, Luohe County, Henan Province, No. five, No. 1

Applicant after: HENAN HONGFENG CABLE CO.,LTD.

Address before: 462600 industrial cluster area of Linying County, Luohe, Henan Province, No. 1, No. five road.

Applicant before: HENAN HONGFENG CABLE CO.,LTD.

CB02 Change of applicant information
CB02 Change of applicant information

Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Applicant after: Hongfeng Cable Co.,Ltd.

Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Applicant before: HENAN HONGFENG CABLE Co.,Ltd.

CB02 Change of applicant information
CB02 Change of applicant information

Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Applicant after: Hongfeng Cable Co.,Ltd.

Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Applicant before: Hongfeng Cable Co.,Ltd.

CB02 Change of applicant information