Secondary short-circuit wire with magnetic suction head

Abstract

The invention relates to the technical field of common tools for power systems, in particular to a secondary short-circuit wire with a magnetic suction head, and the magnetic suction head is provided with a magnet mounting position and a wire pressing opening; the wire pressing port is connected with a plurality of wires which are connected in parallel; the magnet installation position is located on the side face of the wire pressing opening. In the prior art, a large amount of secondary short-circuit wires are usually required to be used in an electric power operation process, the short-circuit wires cannot be rapidly fixed, and confusion and wrong plugging and unplugging of lines are easily caused; the secondary short wiring is frequently plugged, and the lead and the conductive terminal are easy to deform and loosen after being used for a long time. And the integrated magnetic suction head is arranged on the secondary short-circuit wire, so that the secondary short-circuit wire can be temporarily fixed in the electric power operation process. And the magnetic suction head is provided with a wire pressing port. A plurality of wires are pressed by the wire pressing port, and short-circuit wires are regularly arranged, so that circuit disorder is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of common tools for electric power systems, and in particular to a secondary short-circuit wire provided with a magnetic suction head. Background Art

[0002] Prior art CN103337760B discloses a CT, PT secondary short-circuit wire, comprising a first, second and third clamp connected together, wherein the three clamps each comprise a first clip and a second clip connected by a clamp shaft column, wherein the first clip and the second clip are engaged at the front end to form an engagement portion, and a groove is formed in the middle when the engagement portion is closed; one end of the first clip of the first clamp has an insulating sleeve, and the second clip is connected to an externally insulated, internally conductive connecting component; the first clip of the second clamp is connected to a wire, and the other end of the wire is provided with a conductive connecting terminal with a conductive terminal at the top and a conductive socket at the tail; the second clips of the three clamps have the same structure, and the third clamp has the same structure as the second clamp; the conductive terminal of the second clamp is inserted into the connecting component of the first clamp, and the conductive terminal of the third clamp is inserted into the conductive socket of the second clamp to form a current path. The problem of the prior art is that the secondary short-circuit wire usually needs to be used in large quantities during power operations, and the short-circuit wire cannot be quickly fixed, which easily leads to line confusion and incorrect plugging and unplugging; the secondary short-circuit wire is frequently plugged and unplugged, and the wire and the conductive terminal are easily deformed and disconnected after long-term use. Summary of the invention

[0003] In order to solve the problems in the prior art that secondary short-circuit wires usually need to be used in large quantities during power operations, the short-circuit wires cannot be quickly fixed, which easily leads to line confusion and incorrect plugging and unplugging; the secondary short-circuit wires are frequently plugged and unplugged, and the wires and conductive terminals are easily deformed and disconnected after long-term use, the present invention provides a secondary short-circuit wire with a magnetic suction head, the magnetic suction head includes a magnet mounting position and a wire pressing port; the wire pressing port is provided with a plurality of parallel wires; the magnet mounting position is located on the side of the wire pressing port. An integrated magnetic suction head is provided on the secondary short-circuit wire, which is conducive to temporarily fixing the secondary short-circuit wire during power operations. A wire pressing port is provided on the magnetic suction head. The wire pressing port presses a plurality of wires and arranges the short-circuit wire regularly to avoid line confusion.

[0004] Preferably, a bus port is provided on the side of the magnetic suction head opposite to the wire pressing port, and the bus port can connect the test bus and several parallel wires in series, and the wire pressing port is rectangular. The magnetic suction head is provided with a bus port on the side opposite to the wire pressing port, and the bus port is connected in series with the wire pressing port, which is conducive to the connection of the short-circuited equipment of the secondary short-circuit to other equipment for testing and maintenance when power operations need to be carried out.

[0005] Preferably, the magnetic suction head includes an upper shell and a lower shell, the outer side of the lower shell is a magnet installation position, and a metal spring sheet is provided at the entrance near the wire pressing port. The magnetic suction head is divided into an upper shell and a lower shell, which is conducive to production and wire pressing. A magnet installation position is provided on the outer side of the lower shell, which is conducive to setting the magnet and temporarily fixing the magnetic suction head and the secondary short-circuit wire. A metal spring sheet is provided at the entrance of the magnetic suction head near the wire pressing port, which is conducive to fixing multiple wires.

[0006] Preferably, the magnet installation position is a groove facing the outside of the lower shell, and the inner wall of the groove is provided with an annular protrusion, which clamps and fixes the magnet in the magnet installation position. The magnet installation position is a groove facing the outside of the lower shell, and the inner wall of the groove is provided with an annular protrusion, which is conducive to clamping the magnet and fixing the magnetic suction head and the secondary short-circuit wire.

[0007] Preferably, a protective shell is provided outside the joint of the upper shell and the lower shell of the magnetic suction head. The protective shell is helpful to prevent the joint of the upper shell and the lower shell from cracking due to the glue filling process and the working environment.

[0008] Preferably, the protective shell is concave, and clamps the upper shell and the lower shell in the length direction.

[0009] Preferably, the plug of the secondary shorting wire is provided with a wire connection port perpendicular to the plug. The plug of the secondary shorting wire and the corresponding wire are not in a straight line, which is conducive to preventing the wire and the plug from loosening during plugging and unplugging, and preventing the connection between the wire and the plug of the secondary shorting wire from deforming due to multiple plugging and unplugging. The plug of the secondary shorting wire is perpendicular to the wire connection port, and the plug and the magnet are installed on the same side of the wire, which is conducive to reducing the bending and twisting of the line and avoiding the entanglement of the line during the fixing process of the magnetic suction head.

[0010] Preferably, potting glue is provided inside the wire pressing port and the bus port, and after potting, the wire pressing port and the bus port can withstand a pull-out force of not less than 80N and an impact current of 500A / S. Potting glue is provided inside the wire pressing port and the bus port, and the upper limit of the pull-out force and impact current that the wire pressing port and the bus port can withstand is provided through the potting process.

[0011] The present invention solves the problems in the prior art that secondary short-circuit wires usually need to be used in large quantities during power operations, and the short-circuit wires cannot be quickly fixed, which easily leads to line confusion and incorrect plugging and unplugging; the secondary short-circuit wires are frequently plugged and unplugged, and the wires and conductive terminals are easily deformed and disconnected after long-term use. The present invention has the following beneficial effects: the secondary short-circuit wire is provided with an integrated magnetic suction head, which is convenient for temporary fixation during power operations; the plug of the secondary short-circuit wire is perpendicular to the wire connecting port, so as to avoid stretching the wire during plugging and unplugging, which causes the plug and wire connecting port of the secondary short-circuit wire to deform and loosen; the wire pressing port and the bus port inside the magnetic suction head are filled with glue, so as to increase the pulling force and impact current that the wire pressing port and the bus port can withstand. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side view of a secondary short-circuit wire provided with a magnetic suction head; Figure 2 It is a schematic diagram of a magnetic suction head structure with a secondary short-circuit wire of the magnetic suction head; Figure 3 A cross-sectional view of a magnetic suction head provided with a secondary short-circuit wire of the magnetic suction head; Figure 4 Another cross-sectional view of a magnetic suction head with a secondary short-circuit wire provided thereon.

[0013] Legend: bus port 1; upper shell 2; lower shell 3; magnet mounting position 4; protective shell 5; wire 6; wire connection port 7; plug 8; reed 9. DETAILED DESCRIPTION

[0014] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0015] Example 1 like Figure 1 As shown, in order to solve the problems in the prior art that secondary short-circuit wires usually need to be used in large quantities during power operations, the short-circuit wires cannot be quickly fixed, which easily leads to line confusion and incorrect plugging and unplugging; the secondary short-circuit wires are frequently plugged and unplugged, and the wires 6 and the conductive terminals are easily deformed and disconnected after long-term use, the present invention provides a secondary short-circuit wire with a magnetic suction head, the magnetic suction head is provided with a magnet mounting position 4 and a wire pressing port; the wire pressing port is connected to four parallel wires 6; the magnet mounting position 4 is located on the side of the wire pressing port. An integrated magnetic suction head is provided on the secondary short-circuit wire, which is conducive to temporarily fixing the secondary short-circuit wire during power operations. A wire pressing port is provided on the magnetic suction head. The wire pressing port presses a plurality of wires 6 and arranges the short-circuit wires regularly to avoid line confusion.

[0016] Combination Figure 1 and Figure 2As shown, in one embodiment of the present invention, a bus port 1 is provided on the side opposite to the wire pressing port of the magnetic suction head, and the bus port 1 can be connected in series with the test bus and four parallel wires 6. The wire pressing port is rectangular, and four wires 6 are arranged side by side at the wire pressing port. The magnetic suction head is provided with a bus port 1 on the side opposite to the wire pressing port, and the bus port 1 is connected in series with the wire pressing port, which is conducive to the connection of the short-circuited device of the secondary short-circuit wire to other devices for testing and maintenance when the power operation needs to be carried out. The magnetic suction head includes an upper shell 2 and a lower shell 3, and the outer side of the lower shell 3 is a magnet installation position 4, and a metal spring sheet 9 is provided at the entrance near the wire pressing port. The magnetic suction head is divided into an upper shell 2 and a lower shell 3, which is conducive to production and manufacturing and wire 6 pressing. A magnet installation position 4 is provided on the outer side of the lower shell 3, which is conducive to setting a magnet to temporarily fix the magnetic suction head and the secondary short-circuit wire. A protective shell 5 is provided outside the joint of the upper shell 2 and the lower shell 3 of the magnetic suction head. The protective shell 5 is conducive to preventing the joint of the upper shell 2 and the lower shell 3 from cracking due to the glue filling process and the working environment. The protective shell 5 is concave, and clamps the upper shell 2 and the lower shell 3 in the length direction.

[0017] In the description of the present invention, it should be understood that, since the secondary short-circuit wire is often bent, reversed, and wound according to the positional relationship of the circuit components during actual use, the terms "upper" and "lower" indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or an orientation or positional relationship in which the product of the invention is usually placed when in use, or an orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. The magnet mounting position 4 is a groove facing the outside of the lower housing 3, and the inner wall of the groove is provided with an annular protrusion, which clamps and fixes the magnet in the magnet mounting position 4. The magnet mounting position 4 is a groove facing the outside of the lower housing 3, and the inner wall of the groove is provided with an annular protrusion, which is conducive to clamping the magnet, fixing the magnetic suction head and the secondary short-circuit wire.

[0018] The plug 8 of the secondary shorting wire is provided with a wire connection port 7 perpendicular to the plug 8. The plug 8 of the secondary shorting wire and the corresponding wire 6 are not in a straight line, which is conducive to preventing the wire 6 and the plug 8 from loosening during the plugging and unplugging process, and is conducive to preventing the connection between the wire 6 and the plug 8 of the secondary shorting wire from being deformed due to multiple plugging and unplugging. The plug 8 of the secondary shorting wire is perpendicular to the wire connection port 7, and the plug 8 and the magnet installation position 4 are on the same side of the wire 6, which is conducive to reducing the bending and twisting of the line and avoiding the entanglement of the line during the fixing process of the magnetic suction head.

[0019] The wire pressing port and the bus port 1 are provided with potting glue inside, and after potting, the wire pressing port and the bus port 1 can withstand a pull-out force of not less than 80N and an impact current of 500A / S. The wire pressing port and the bus port 1 are provided with potting glue, and the upper limit of the pull-out force and impact current that the wire pressing port and the bus port 1 can withstand is provided through the potting process.

[0020] In order to meet the above technical requirements, in this embodiment, the glue filling process between the magnetic suction head and the cable is to crimp the upper shell 2 and the lower shell 3 of the magnetic suction head, and then put the sealing tube into the glue filling machine after forming, and adjust the female end glue amount: 19.5 / 4.2±1ml and the male end glue amount: 15 / 3±1ml. The oven temperature range is controlled at 48~60°. The standard working time is 2H, the glue amount: 8.3 / 3.0±1ml, and the speed: 1 / 0.8±0.3ml / s for glue filling.

[0021] The present invention solves the problem in the prior art that the secondary short-circuit wire usually needs to be used in large quantities during power operations, and the short-circuit wire cannot be quickly fixed, which easily leads to line confusion and incorrect plugging and unplugging; the secondary short-circuit wire is frequently plugged and unplugged, and the wires and conductive terminals are easily deformed and disconnected after long-term use. The present invention has the following beneficial effects: the secondary short-circuit wire is provided with an integrated magnetic suction head, which is convenient for temporary fixation during power operations; the plug 8 of the secondary short-circuit wire is perpendicular to the wire connection port 7 to avoid stretching the wire during plugging and unplugging, which causes the plug 8 and the wire connection port 7 of the secondary short-circuit wire to deform and loosen; the wire pressing port and the bus port 1 inside the magnetic suction head are glued to improve the wire pressing The pull-off force and impact current that the control port and bus port 1 can withstand.

[0022] Example 2 Combination Figures 1 to 4 As shown, the present invention provides a secondary short-circuit wire provided with a magnetic suction head, the magnetic suction head is provided with a magnet installation position 4 and a wire pressing port; the wire pressing port is connected with four parallel wires; the magnet installation position 4 is located on the side of the wire pressing port. An integrated magnetic suction head is provided on the secondary short-circuit wire, which is conducive to temporarily fixing the secondary short-circuit wire during power operation. A wire pressing port is provided on the magnetic suction head. The wire pressing port presses the four wires 6 and arranges the short-circuit wire regularly to avoid line confusion.

[0023] In an embodiment of the present invention, a bus port 1 is provided on the side of the magnetic suction head opposite to the wire pressing port, and the bus port 1 can be connected in series with the test bus and four parallel wires 6. The wire pressing port is rectangular, and a number of wires are arranged side by side at the wire pressing port. The magnetic suction head is provided with a bus port 1 on the side opposite to the wire pressing port, and the bus port 1 is connected in series with the wire pressing port, which is conducive to the connection of the short-circuited equipment of the secondary short-circuit wire to other equipment for testing and maintenance when the power operation needs to be carried out. The magnetic suction head includes an upper shell 2 and a lower shell 3, and the outer side of the lower shell 3 is a magnet installation position 4, and a metal spring sheet 9 is provided at the entrance near the wire pressing port. The magnetic suction head is divided into an upper shell 2 and a lower shell 3, which is conducive to production and manufacturing and wire 6 pressing. A magnet installation position 4 is provided on the outer side of the lower shell 3, which is conducive to setting a magnet to temporarily fix the magnetic suction head and the secondary short-circuit wire. A protective shell 5 is provided outside the joint of the upper shell 2 and the lower shell 3 of the magnetic suction head. The protective shell 5 is conducive to preventing the joint of the upper shell 2 and the lower shell 3 from cracking due to the glue filling process and the working environment. The protective shell 5 is concave, and clamps the upper shell 2 and the lower shell 3 in the length direction.

[0024] In the description of the present invention, it should be understood that, since the secondary short-circuit wire is often bent, reversed, and wound according to the positional relationship of the circuit components during actual use, the terms "upper" and "lower" indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or an orientation or positional relationship in which the product of the invention is usually placed when in use, or an orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. The magnet mounting position 4 is a groove facing the outside of the lower housing 3, and the inner wall of the groove is provided with an annular protrusion, which clamps and fixes the magnet in the magnet mounting position 4. The magnet mounting position 4 is a groove facing the outside of the lower housing 3, and the inner wall of the groove is provided with an annular protrusion, which is conducive to clamping the magnet, fixing the magnetic suction head and the secondary short-circuit wire.

[0025] The plug 8 of the secondary shorting wire is provided with a wire connection port 7 perpendicular to the plug 8. The plug 8 of the secondary shorting wire and the corresponding wire 6 are not in a straight line, which is conducive to preventing the wire 6 and the plug 8 from loosening during the plugging and unplugging process, and is conducive to preventing the connection between the wire 6 and the plug 8 of the secondary shorting wire from being deformed due to multiple plugging and unplugging. The plug 8 of the secondary shorting wire is perpendicular to the wire connection port 7, and the plug 8 and the magnet installation position 4 are on the same side of the wire, which is conducive to reducing the bending and twisting of the line and avoiding the entanglement of the line during the fixing process of the magnetic suction head.

[0026] Combination Figure 3 As shown in FIG. 4 , in another embodiment of the present invention, a metal spring sheet 9 is provided at the entrance of the magnetic suction head close to the wire pressing port, which is beneficial for fixing the multiple wires 6 .

[0027] The present invention solves the problems in the prior art that secondary short-circuit wires usually need to be used in large quantities during power operations, and the short-circuit wires cannot be quickly fixed, which easily leads to line confusion and incorrect plugging and unplugging; the secondary short-circuit wires are frequently plugged and unplugged, and the wires and conductive terminals are easily deformed and disconnected after long-term use. The present invention has the following beneficial effects: the secondary short-circuit wire is provided with an integrated magnetic suction head, which is convenient for temporary fixation during power operations; the plug 8 of the secondary short-circuit wire is perpendicular to the wire connection port 7 to avoid stretching the wire during plugging and unplugging, which causes the plug 8 and the wire connection port 7 of the secondary short-circuit wire to deform and loosen; the wire pressing port and the bus port 1 inside the magnetic suction head are provided with a spring 9 to increase the pulling force that the wire pressing port and the bus port 1 can withstand, which is conducive to connecting more wires and plugs 8 according to the needs of power operations.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A secondary short-circuit wire with a magnetic suction head, characterized in that: The magnetic suction head includes a magnet installation position and a wire pressing port; The wire pressing opening is provided with a plurality of parallel wires in parallel; The magnet installation position is located on the side of the wire pressing opening.

2. A secondary short-circuit wire with a magnetic head according to claim 1, characterized in that: A bus port is provided on the side of the magnetic head opposite to the wire pressing port, and the bus port can be connected in series with a test bus and a plurality of parallel short-circuit wires, and the wire pressing port is rectangular.

3. A secondary short-circuit wire with a magnetic head according to claim 1 or 2, characterized in that: The magnetic suction head comprises an upper shell and a lower shell. The outer side of the lower shell is a magnet installation position, and a metal spring sheet is arranged at the entrance close to the wire pressing port.

4. A secondary short-circuit wire with a magnetic head according to claim 3, characterized in that: The magnet installation position is a groove facing the outer side of the lower shell, and the inner wall of the groove is provided with an annular protrusion, which clamps and fixes the magnet in the magnet installation position.

5. A secondary short-circuit wire with a magnetic head according to claim 3, characterized in that: A protective shell is provided outside the joint of the upper shell and the lower shell of the magnetic suction head.

6. A secondary short-circuit wire with a magnetic head according to claim 5, characterized in that: The protective shell is concave, and clamps the upper shell and the lower shell in the length direction.

7. A secondary short-circuit wire with a magnetic head according to claim 1, characterized in that: The plug of the short-circuit wire is provided with a wire connection port which is perpendicular to the plug, and the plug and the magnet are installed on the same side of the wire.

8. A secondary short-circuit wire with a magnetic head according to claim 2, characterized in that: The wire pressing opening and the bus opening are provided with potting glue inside, and after potting, the wire pressing opening can withstand a pull-out force of not less than 80N and an impact current of 500A / S.

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