CN210016651U

CN210016651U - Carbon fiber heating wire

Info

Publication number: CN210016651U
Application number: CN201920726514.3U
Authority: CN
Inventors: 刘秋林
Original assignee: Dongguan City Coolbear Intelligent Technology Co Ltd
Current assignee: Dongguan City Coolbear Intelligent Technology Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-04
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a carbon fiber heating wire, including carbon fiber heating wire harness and wire, the one end of carbon fiber heating wire harness and the one end of wire are provided with the connecting piece, are provided with insulating assembly outside the connecting piece. The connecting piece comprises an extension wire extending from the end of the metal wire, and the extension wire can be wound and attached to the surface of the carbon fiber heating wire bundle. Under the action of electrification, current can be smoothly transmitted to the carbon fiber heating wire harness from the metal wire, and the carbon fiber heating wire harness can heat; because the metal wire and the easy emergence of carbon fiber heating wire harness junction damage, can effectual protection metal wire and the junction of fibre heating wire through setting up insulating assembly to reinforcing metal wire and carbon fiber heating wire harness's life. The utility model discloses have the good effect of being difficult for rupture and protection extension line and carbon fiber heating wire harness of extension line and carbon fiber heating wire harness connection.

Description

Carbon fiber heating wire

Technical Field

The utility model relates to an electrical connection technical field, in particular to carbon fiber heating wire.

Background

Carbon fiber is a fibrous carbon material. The carbon fiber with good electrical, thermal and mechanical properties is widely applied to electronic and electrical products with heating functions, such as flexible heaters of electric blankets, electric heating kneecaps and the like.

A plurality of carbon fibers may be prepared into a carbon fiber bundle. In the prior art, the carbon fiber bundle is generally connected with the metal wire in a manner of riveting a copper strip, stress concentration is easy to occur at the contact part of the connecting point and the carbon fiber bundle in the connection manner, and the carbon fiber bundle is composed of a plurality of carbon fiber filaments, so that the strength of each carbon fiber filament is low, and the carbon fiber bundle is very easy to break at the connection part of the carbon fiber bundle and the metal wire, therefore, circuit faults are easy to cause at the connection part, normal work cannot be realized, and the service life of an electrothermal product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a carbon fiber heating wire, it has the not easy rupture of carbon fiber heating wire harness and the insulating effect of junction.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a carbon fiber heating wire comprises a carbon fiber heating wire harness and a metal wire, wherein a connecting piece is arranged at one end of the carbon fiber heating wire harness and one end of the metal wire, and an insulating assembly is arranged outside the connecting piece; the connecting piece includes the extension line that extends from the wire end, the extension line is convoluteed and is the heliciform, but extension line coiling and laminating are on the surface of carbon fiber heating pencil, the junction of extension line and carbon fiber heating pencil is provided with the soldering tin layer.

By adopting the technical scheme, the extension wire is arranged, the connecting piece is arranged on the extension wire and the carbon fiber heating wire harness, the insulating assembly is arranged outside the connecting piece, the metal wire is connected with the carbon fiber heating wire harness through the connecting piece, current can be smoothly transmitted to the carbon fiber heating wire harness from the metal wire under the action of electrification, and the carbon fiber heating wire harness can heat; because the metal wire and the easy emergence of carbon fiber heating wire harness junction damage, can effectual protection metal wire and the junction of fibre heating wire through setting up insulating assembly to reinforcing metal wire and carbon fiber heating wire harness's life. The extension wire is wound in a spiral shape, so that the contact area of the extension wire and the carbon fiber heating wire harness can be increased, and a good current conduction effect is realized. Through setting up the soldering tin layer, the soldering tin layer can fill the clearance between extension line and the carbon fiber heating wire bundle, can further increase the area of contact of extension line and carbon fiber heating wire bundle to realize the effect of better electric current conduction.

The utility model discloses further set up to: the insulation assembly comprises a first insulation layer arranged on the carbon fiber heating wire harness and a second insulation layer arranged on the metal wire, and a protection assembly used for protecting the connecting piece is arranged between the first insulation layer and the second insulation layer.

Through adopting above-mentioned technical scheme, through setting up first insulating layer, second insulating layer and protection component, carbon fiber heating wire harness and wire can be protected respectively to first insulating layer and second insulating layer, and the protection component then protects the junction of extension line and carbon fiber heating wire harness, can play the effect of protection on the one hand, and on the other hand can improve the effect of security.

The utility model discloses further set up to: the protection component comprises a first locking sleeve and a second locking sleeve, wherein the first locking sleeve and the second locking sleeve are sleeved on a first insulating layer and a second insulating layer in a sliding mode, one end of the first locking sleeve and one end of the second locking sleeve can form an accommodating space used for accommodating the joint of the extension line and the carbon fiber heating wire harness, and the first locking sleeve and the second locking sleeve are provided with fixing components.

By adopting the technical scheme, the first locking sleeve, the second locking sleeve and the fixing component are arranged, so that the first locking sleeve and the second locking sleeve are opposite to each other when the carbon fiber heating wire harness fixing device is used, and the joint of the extension wire and the carbon fiber heating wire harness can be accommodated in the accommodating space to realize protection; when needing to overhaul, can overhaul extension line and carbon fiber heating wire harness's junction with fixed subassembly unblock.

The utility model discloses further set up to: the fixed subassembly includes that circumference sets up the extension hook at first lock sleeve tip, be provided with on the second lock sleeve inner wall and supply to extend the mounting groove that the hook slided in order to realize the fastening, the mounting groove is the L type.

By adopting the technical scheme, the extension hook and the L-shaped mounting groove are arranged, the extension hook is inserted into the mounting groove by controlling the first locking sleeve when the extension hook is used, and when the extension hook reaches the bottom of the mounting groove, the first locking sleeve and the second locking sleeve can be fixed by rotating the first locking sleeve, namely, the joint of the extension line and the carbon fiber heating wire harness is surrounded and protected; when the junction of the extension line and the carbon fiber heating wire harness breaks down, the first locking sleeve capable of rotating reversely can be pulled towards the direction far away from the second locking sleeve, the junction of the extension line and the carbon fiber heating wire harness is exposed, the overhaul of maintainers is facilitated, and the first locking sleeve and the second locking sleeve can be sleeved at the junction of the carbon fiber heating wire harness and the extension line after the overhaul is finished.

The utility model discloses further set up to: and a locking lug is arranged on the wall of the mounting groove and is positioned in the middle of the mounting groove.

Through adopting above-mentioned technical scheme, through setting up the locking lug, the locking lug can be with extending the hook screens during the use, the effect of the connection stability of the first lock sleeve of increase that can be further and second lock sleeve.

The utility model discloses further set up to: the first locking sleeve and the second locking sleeve are made of insulating plastics.

Through adopting above-mentioned technical scheme, with first locking cover and second locking cover with insulating plastic make, can guarantee the effect of the safety in utilization of carbon fiber heating wire harness and wire.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. through setting up the extension line, the extension line is convoluteed on carbon fiber heating wire harness, then extends the effect that line and carbon fiber heating wire harness connected effect are good to be difficult for the rupture, through set up the soldering tin layer on extension line and carbon fiber heating wire harness, can effectual increase and carbon fiber heating wire harness's area of contact's effect.

2. Through setting up first lock sleeve and second lock sleeve to set up the installation hook on first lock sleeve, set up the mounting groove on second lock sleeve, the installation hook forms the fastening with the mounting groove cooperation during the use, can form the fastening to extension line and carbon fiber heating wire harness junction, in order to reach the effect of the security of protection and increase use.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a schematic structural view of the connection of the carbon fiber yarn and the extension line of the present invention;

FIG. 3 is a schematic structural view of a solder layer disposed at the connection between the carbon fiber wire and the extension wire;

fig. 4 is a schematic structural diagram of the first connection sleeve and the second connection sleeve of the present invention.

Reference numerals: 1. a carbon fiber heating wire harness; 2. a metal wire; 3. a connecting member; 31. an extension line; 32. a solder layer; 41. a first insulating layer; 42. a second insulating layer; 5. a protection component; 51. a first locking collar; 52. a second locking sleeve; 53. an accommodating space; 6. a fixing assembly; 61. an extension hook; 62. mounting grooves; 63. and locking the convex block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, the carbon fiber heating wire comprises a carbon fiber heating wire bundle 1 and a metal wire 2, wherein a connecting piece 3 is arranged at one end of the carbon fiber heating wire bundle 1 and one end of the metal wire 2, and an insulating component is arranged outside the connecting piece 3. Specifically, the connector 3 includes an extension wire 31 extending from an end of the metal wire 2, wherein the extension wire 31 is wound in a spiral shape, and the extension wire 31 is wound around and attached to the surface of the carbon fiber heating wire bundle 1. In order to increase the contact area between the extension line 31 and the carbon fiber heating wire bundle 1, a soldering tin layer 32 is arranged at the joint of the extension line 31 and the carbon fiber heating wire bundle 1; the soldering tin layer 32 is formed by using tin to perform hot melting and dripping to wrap the connection part of the extension line 31 and the carbon fiber heating wire harness 1, pressing the tin before cooling by pressure while the tin is hot, and cooling; specifically, the pressing pressure at the joint of the extension wire and the carbon fiber heating wire bundle is 1-6 kg/f/cm²。

Referring to fig. 1 and 3, the insulation assembly includes a first insulation layer 41 disposed on the carbon fiber heating wire harness 1 and a second insulation layer 42 disposed on the metal wires 2. Referring to fig. 4, a protective member 5 for protecting the connection member 3 is disposed between the first insulating layer 41 and the second insulating layer 42. The protection component 5 comprises a first locking sleeve 51 and a second locking sleeve 52, wherein the cross sections of the first locking sleeve 51 and the second locking sleeve 52 are in a step shape, the first locking sleeve 51 and the second locking sleeve 52 are made of insulating plastics, the first locking sleeve 51 and the second locking sleeve 52 can be sleeved on the first insulating layer 41 and the second insulating layer 42 in a sliding mode, a containing space 53 for containing the connection position of the extension line 31 and the carbon fiber heating wire harness 1 can be formed by the larger ends of the first locking sleeve 51 and the second locking sleeve 52, and the fixing component 6 is arranged on the first locking sleeve 51 and the second locking sleeve 52. Fixed subassembly 6 includes that circumference sets up the extension hook 61 at first lock sleeve 51 tip, is provided with on the second lock sleeve 52 inner wall and supplies to extend the mounting groove 62 that hook 61 slides in order to realize the fastening, and wherein, mounting groove 62 is the L type, and in this application, extension hook 61 all is provided with four with mounting groove 62. Be provided with locking lug 63 on the cell wall of mounting groove 62, wherein, locking lug 63 is located the middle part of mounting groove 62 to locking lug 63 is the cuboid form, is provided with the guide inclined plane on the long limit of locking lug 63, can guarantee under the effect of locking lug 63 that the mounting hook is fixed on mounting groove 62, through setting up the guide inclined plane, can make things convenient for the cooperation of mounting hook and mounting groove 62 to fix or the mounting hook breaks away from the complex effect of mounting groove 62.

The working process is as follows:

when the carbon fiber heating wire harness 1 and the extension wire 31 need to be connected, the first locking sleeve 51 and the second locking sleeve 52 are respectively sleeved on the carbon fiber heating wire harness 1 with the first insulating sleeve and the metal wire with the second insulating sleeve, the extension wire 31 is wound on the carbon fiber heating wire harness 1 to be spiral and tightly connected with the heating wire, and then the tin is melted and dripped at the joint of the carbon fiber heating wire harness 1 and the extension wire 31, so that the connection can be completed. And then, moving the first locking sleeve 51 and the second locking sleeve 52 to the position close to the joint of the carbon fiber heating wire harness 1 and the extension line 31, enabling the mounting hook to be opposite to the mounting groove 62, keeping the first locking sleeve 51 static when the middle part of the mounting groove 62 is reached, and positively rotating the second locking sleeve 52, so that the first mounting hook passes through the locking lug 63 to lock the mounting hook at the mounting groove 62.

When needing to overhaul carbon fiber heating wire harness 1 and extension line 31, keep first lock sleeve 51 static, the direction of keeping away from first lock sleeve 51 after the rotation of reverse rotation second lock sleeve 52 removes second lock sleeve 52, then the junction of carbon fiber heating wire harness 1 and extension line 31 exposes, can overhaul.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a carbon fiber heating wire, includes carbon fiber heating wire harness (1) and wire (2), its characterized in that: the connecting piece (3) is arranged at one end of the carbon fiber heating wire bundle (1) and one end of the metal wire (2), the connecting piece (3) comprises an extension wire (31) extending from the end of the metal wire (2), the extension wire (31) is coiled in a spiral shape, the extension wire (31) can be coiled and attached to the surface of the carbon fiber heating wire bundle (1), and a soldering tin layer (32) is arranged at the joint of the extension wire (31) and the carbon fiber heating wire bundle (1).

2. A carbon fiber heating wire according to claim 1, characterized in that: an insulating component is arranged outside the connecting piece (3); the insulation assembly comprises a first insulation layer (41) arranged on the carbon fiber heating wire harness (1) and a second insulation layer (42) arranged on the metal wire (2), and a protection assembly (5) used for protecting the connecting piece (3) is arranged between the first insulation layer (41) and the second insulation layer (42).

3. A carbon fiber heating wire according to claim 2, characterized in that: the protection component (5) comprises a first locking sleeve (51) and a second locking sleeve (52), wherein the first locking sleeve (51) and the second locking sleeve (52) are sleeved on a first insulating layer (41) and a second insulating layer (42) in a sliding mode, one end portion of the first locking sleeve (51) and one end portion of the second locking sleeve (52) can form an accommodating space (53) used for accommodating the joint of the extension line (31) and the carbon fiber heating wire harness (1), and a fixing component (6) is arranged on the first locking sleeve (51) and the second locking sleeve (52).

4. A carbon fiber heating wire according to claim 3, characterized in that: fixed subassembly (6) include that circumference sets up extension hook (61) at first lock sleeve (51) tip, be provided with on second lock sleeve (52) inner wall and supply to extend mounting groove (62) that hook (61) slided in order to realize the fastening, mounting groove (62) are the L type.

5. A carbon fiber heating wire according to claim 4, characterized in that: and a locking lug (63) is arranged on the wall of the mounting groove (62), and the locking lug (63) is positioned in the middle of the mounting groove (62).

6. A carbon fiber heating wire according to claim 3, characterized in that: the first locking sleeve (51) and the second locking sleeve (52) are made of insulating plastics.