CN209859673U - Fuse self-fusing power-off cable - Google Patents
Fuse self-fusing power-off cable Download PDFInfo
- Publication number
- CN209859673U CN209859673U CN201920934832.9U CN201920934832U CN209859673U CN 209859673 U CN209859673 U CN 209859673U CN 201920934832 U CN201920934832 U CN 201920934832U CN 209859673 U CN209859673 U CN 209859673U
- Authority
- CN
- China
- Prior art keywords
- fuse
- cable
- insulating layer
- heat conduction
- protective housing
- 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.)
- Active
Links
Landscapes
- Fuses (AREA)
Abstract
The utility model provides a insurance is from melting outage cable, including cable core, protective housing and fuse, protective housing parcel is outside the cable core, and the fuse is equipped with a plurality ofly and all concatenates on the cable core through welded mode spaced, and two sections protective housing's that are close to the fuse both ends outer wall all is equipped with the helicla flute, and the outside of having two sections protective housing of helicla flute and fuse is provided with heat insulating layer through injection moulding's mode, and it has heat insulating layer to pour into plastic packing in the helicla flute. The utility model discloses the fuse of cable conductor concatenates the department and is provided with heat conduction insulating layer through injection moulding's mode, and heat conduction insulating layer parcel fuse and both ends have the protective housing of helicla flute, and in heat conduction insulating layer passed through injection moulding's mode embedding protective housing's helicla flute, can increase protective housing and heat conduction insulating layer and break away from required pulling force to effectively improve the fastness of cable conductor in the fuse department of concatenating.
Description
Technical Field
The utility model belongs to the technical field of the cable conductor, concretely relates to insurance is from melting outage cable.
Background
The existing electric power or communication transmission and electronic equipment and the like need to be applied to cables, and the existing circuit protection is mostly realized by a mode of serially connecting fuses on the cables, so that when the circuit current is overloaded, the fuses are automatically fused to cut off the power supply, and the purpose of protecting the equipment is achieved.
In the prior art, a fuse is generally connected in series to a cable core of a cable by welding, and then a heat conducting insulating layer is injection molded on the outside of the fuse. However, when the injection-molded heat-conducting insulating layer is not tightly connected with the protective shell wrapped outside the cable core, the heat-conducting insulating layer is easily pulled by external force to be separated from the cable core, so that the fuse and the cable core fall off at the welding position, and the cable is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides a insurance is from melting outage cable, the fuse of this cable conductor concatenates the department and is provided with heat conduction insulating layer through injection moulding's mode, and heat conduction insulating layer parcel fuse and both ends have the protective housing of helicla flute, and in heat conduction insulating layer's the helicla flute that mode embedding protective housing through injection moulding, increased protective housing and heat conduction insulating layer and broken away from required pulling force to the fastness of cable conductor in the fuse department of concatenating has effectively been improved.
The utility model discloses a following technical scheme realizes:
a fuse self-fusing power-off cable comprises a cable core, a protective shell and a fuse, wherein the protective shell is wrapped outside the cable core, the fuse is provided with a plurality of fuses which are connected in series on the cable core at intervals in a welding mode, the outer walls of two sections of protective shells close to the two ends of the fuse are provided with spiral grooves, the outer parts of the two sections of protective shells with the spiral grooves and the fuse are provided with heat-conducting insulating layers in an injection molding mode, the heat-conducting insulating layers can be made of heat-conducting insulating materials such as polypropylene or silicon rubber, the spiral grooves are filled with heat-conducting insulating layers in an injection molding mode, the fuse and the protective shells with the spiral grooves at the two ends are wrapped by the heat-conducting insulating layers, the firmness of series connection of the fuse and the cable core can be effectively improved, when the fuse is dragged, the heat-conducting insulating layers are embedded into the spiral grooves of the, thereby effectively improving the firmness of the cable at the serial connection position of the fuse.
Further, be located the intraformational protective housing's of heat conduction outer wall is equipped with and separates and keeps off the ring, separates to keep off ring and protective housing integrated into one piece or adhesive bonding, and when the cable conductor suffered to be dragged, it offsets with injection moulding's heat conduction insulating layer to separate to keep off the ring, can avoid the protective housing of cable conductor to pull out from heat conduction insulating layer to the security when having improved the cable conductor and having received external force and pull.
Furthermore, the protective shell is made of fluoroplastic, so that the protective shell has excellent electrical insulation, high heat resistance, outstanding oil resistance, solvent resistance, wear resistance and the like, and can effectively protect the cable core.
Further, the outer wall of the heat conduction insulating layer is provided with a wire mark sleeve, and the wire mark sleeve is used for marking the power of the cable, so that the current flowing through the fuse and the cable is prevented from being unmatched.
Further, based on the heat conduction insulating layer outer wall of fuse position scribbles the temperature change coating that the colour can take place irreversible change along with the temperature, and the temperature change coating takes place that the colour is different with heat conduction insulating layer's colour after the temperature changes, can indicate the position of cable conductor fusing after making the fuse fusing, the circuit maintenance of being convenient for and change the cable conductor.
According to the above technical scheme, the utility model provides a pair of insurance melts outage cable certainly, beneficial effect lies in: the fuse of this cable conductor concatenates the department and is provided with heat conduction insulating layer through injection moulding's mode, heat conduction insulating layer parcel fuse and both ends have the protective housing of helicla flute, can effectively improve the fastness that fuse and cable core concatenated, when the cable conductor suffers to drag, because in heat conduction insulating layer's mode embedding protective housing's helicla flute, can increase protective housing and heat conduction insulating layer break away from required pulling force, thereby effectively improved the fastness of cable conductor in the fuse department of concatenating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram at I in fig. 1.
Fig. 3 is a sectional view taken along a line a-a in fig. 2.
In the drawings: the cable comprises a cable core 1, a protective shell 2, a fuse 3, a spiral groove 4, a heat conduction insulating layer 5, a baffle ring 6, a line marking sleeve 7 and a temperature change coating 8.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a fuse self-fusing power-off cable comprises a cable core 1, a protective casing 2 and a fuse 3, wherein the protective casing 2 is wrapped outside the cable core 1, the fuse 3 is provided with a plurality of fuses which are all connected in series on the cable core 1 at intervals in a welding mode, the outer walls of two sections of protective casings 2 close to two ends of the fuse 3 are provided with spiral grooves 4, the outer parts of the two sections of protective casings 2 with the spiral grooves 4 and the fuse 3 are provided with heat-conducting insulating layers 5 in an injection molding mode, the heat-conducting insulating layers 5 can be made of heat-conducting insulating materials such as polypropylene or silicon rubber, the spiral grooves 4 are filled with heat-conducting insulating layers 5 in an injection molding mode, the fuse 3 and the protective casings 2 with the spiral grooves 4 at two ends are wrapped by the heat-conducting insulating layers 5, so that the serial firmness of the fuse 3 and the cable core 1 can be effectively improved, when a cable is pulled, the heat-conducting insulating, can increase protective housing 2 and thermal insulation layer 5 and break away from required pulling force to effectively improved the fastness of cable conductor in the department that concatenates of fuse 3.
In this embodiment, be located the outer wall of protective housing 2 in heat conduction insulation layer 5 is equipped with and separates and keeps off ring 6, separates and keeps off ring 6 and 2 adhesive bonding of protective housing, and when the cable conductor suffered to drag, separate and keep off ring 6 and offset with injection moulding's heat conduction insulation layer 5, can avoid the protective housing 2 of cable conductor to drag out from heat conduction insulation layer 5 to the security when having improved the cable conductor and having received external force to drag.
In this embodiment, the protective casing 2 is made of fluoroplastic, so that the protective casing 2 has excellent electrical insulation, high heat resistance, outstanding oil resistance, solvent resistance, wear resistance and the like, and can effectively protect the cable core 1.
In this embodiment, the outer wall of the heat conducting insulation layer 5 is provided with the wire mark sleeve 7, and the wire mark sleeve 7 is used for marking the power of the cable, so as to prevent the current flowing through the fuse 3 and the cable from being mismatched.
In this embodiment, based on 5 outer walls of heat conduction insulating layer of fuse 3 position scribble the temperature change coating 8 that the colour can take place irreversible change along with the temperature, and the temperature change coating 8 takes place that the colour is different with heat conduction insulating layer 5's colour after the temperature change, can indicate the position of cable conductor fusing after making fuse 3 fusing, the circuit maintenance of being convenient for and change the cable conductor.
The working principle of the embodiment is as follows: when the cable is manufactured, the fuse 3 is connected in series to the cable core 1 in a welding mode, the outer walls of the two sections of protective shells 2 close to the two ends of the fuse 3 are both provided with the spiral grooves 4, the protective shell 2 with the spiral grooves 4 is glued with the baffle ring 6, the two sections of protective shells 2 with the spiral grooves 4 and the outer parts of the fuse 3 are provided with the heat conduction insulating layer 5 in an injection molding mode, the fuse 3 and the protective shells 2 with the spiral grooves 4 at the two ends are wrapped by the heat conduction insulating layer 5, when the cable is pulled, because the heat conduction insulating layer 5 is embedded into the spiral grooves 4 of the protective shells 2 in the injection molding mode, and the baffle ring 6 is abutted against the heat conduction insulating layer 5 in the injection molding mode, the pulling force required for separating the protective shells 2 from the heat conduction insulating layer 5 can be increased, thereby effectively improving the firmness of the cable at the serial connection part of the fuse 3, the outer wall of the heat conduction, the current that flows through in order to prevent fuse 3 and the cable conductor does not match, and 5 outer walls of heat conduction insulating layer scribble the temperature change coating 8 that the colour can take place irreversible change along with the temperature, can indicate out the position of cable conductor fusing after making fuse 3 fusing, the circuit of being convenient for overhauls and changes the cable conductor.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a fuse is from fusing power failure cable, includes cable core (1), protecting sheathing (2) and fuse (3), protecting sheathing (2) parcel is outside cable core (1), and fuse (3) are equipped with a plurality ofly and all connect in series on cable core (1) through the spaced concatenation of welded mode, its characterized in that: the outer wall of two sections of protective casings (2) close to the two ends of the fuse (3) is provided with spiral grooves (4), the outer parts of the two sections of protective casings (2) with the spiral grooves (4) and the fuse (3) are provided with heat conduction insulating layers (5) in an injection molding mode, and the heat conduction insulating layers (5) are filled in the spiral grooves (4) in an injection molding mode.
2. A fused self-fusing power disconnect cable as defined in claim 1, wherein: and a baffle ring (6) is arranged on the outer wall of the protective shell (2) in the heat-conducting insulating layer (5).
3. A fused self-fusing power cable as claimed in claim 1 or 2, wherein: the protective shell (2) is made of fluoroplastic.
4. A fused self-fusing power disconnect cable as defined in claim 3, wherein: the outer wall of the heat conduction insulating layer (5) is provided with a wire mark sleeve (7), and the wire mark sleeve (7) is used for marking the power of the cable.
5. A fused self-fusing power disconnect cable as defined in claim 4, wherein: the outer wall of the heat conduction insulating layer (5) based on the position of the fuse (3) is coated with a temperature change coating (8) with the color changing irreversibly along with the temperature, and the color of the temperature change coating (8) is different from that of the heat conduction insulating layer (5) after the temperature change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934832.9U CN209859673U (en) | 2019-06-20 | 2019-06-20 | Fuse self-fusing power-off cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934832.9U CN209859673U (en) | 2019-06-20 | 2019-06-20 | Fuse self-fusing power-off cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859673U true CN209859673U (en) | 2019-12-27 |
Family
ID=68942455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920934832.9U Active CN209859673U (en) | 2019-06-20 | 2019-06-20 | Fuse self-fusing power-off cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209859673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133485A (en) * | 2020-09-29 | 2020-12-25 | 罗义鑫 | Intelligent safety protection equipment for laying circuit wires |
| CN113628941A (en) * | 2021-08-17 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Fuse device capable of generating fluorescent mark |
-
2019
- 2019-06-20 CN CN201920934832.9U patent/CN209859673U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133485A (en) * | 2020-09-29 | 2020-12-25 | 罗义鑫 | Intelligent safety protection equipment for laying circuit wires |
| CN112133485B (en) * | 2020-09-29 | 2021-08-06 | 国网江苏省电力工程咨询有限公司 | Intelligent safety protection equipment for laying circuit wires |
| CN113628941A (en) * | 2021-08-17 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Fuse device capable of generating fluorescent mark |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101038237B1 (en) | Thermal Fuse Resistor | |
| CN209859673U (en) | Fuse self-fusing power-off cable | |
| CN104934273B (en) | High voltage enhances coaxial fuse assembly, system and manufacturing method | |
| JP5871339B2 (en) | Power cable | |
| CN205723413U (en) | A kind of circuit protection device | |
| CN102714079B (en) | There is the resistor of thermal element | |
| JP6177945B2 (en) | Fuse resistor and manufacturing method thereof | |
| JP5932139B2 (en) | Fuse resistor and manufacturing method thereof | |
| MX2008001078A (en) | Fuse sleeve having window for blown fuse indication. | |
| CN207690547U (en) | Insure from fusing cable | |
| EP2385531B1 (en) | Power cable with integrated ntc thermistor | |
| CN208782101U (en) | A kind of harness is to inserting structure | |
| CN214754287U (en) | Terminal assembly | |
| CN206349199U (en) | A kind of Thermal protection type resistor | |
| CN105118563B (en) | The attachment means and application method of optical fiber composite overhead insulated bundling cable | |
| CN107069253B (en) | Insulated electric heating wire and power line connecting structure of single electric heating wire and manufacturing method thereof | |
| CN203071545U (en) | Heat-shrinkable cable terminal | |
| CN109861141A (en) | A kind of production method of three-core cable transition joint | |
| CN204857286U (en) | Device for connecting compound built on stilts insulating bunched cable of optic fibre | |
| CN218275234U (en) | Waterproof sealing device of low-voltage wire harness parallel connection point | |
| CN209895826U (en) | Solid cable sheath | |
| CN107799371A (en) | A kind of fuse assembly of waterproof | |
| CN218569351U (en) | Wire and electric appliance | |
| CN109103622A (en) | A kind of connecting terminal and mode of connection | |
| CN207705138U (en) | A kind of protective device being used for transmission line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |