CN217691047U

CN217691047U - Circuit self preservation protects device

Info

Publication number: CN217691047U
Application number: CN202221337512.3U
Authority: CN
Inventors: 张国梁; 周晓东; 李振
Original assignee: Shandong Zhiduofen Education Technology Co ltd
Current assignee: Shandong Zhiduofen Education Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model belongs to the technical field of electrical equipment, especially, circuit self preservation protects device to current because external factors leads to the circuit to cut off the power supply easily when transshipping, and is more loaded down with trivial details when changing the circuit to self does not possess the problem of circular telegram protect work, now proposes following scheme, and it includes first box body, the inside fixedly connected with mounting panel of first box body, two fuses of the inside fixedly connected with of first box body, two dead levers of the outer wall fixedly connected with of first box body, the equal fixedly connected with rectangular block in bottom of two dead levers, the outer wall sliding sleeve of rectangular block is equipped with the second box body, the fixed frame of the inside fixedly connected with of second box body, the outer wall fixedly connected with busbar of fixed frame, the utility model discloses when changing the circuit, rotatable bolt is relieved the rigidity to the second box body, with second box body lapse, conveniently changes it.

Description

Circuit self preservation protects device

Technical Field

The utility model relates to the technical field of electrical equipment, especially, relate to a circuit self preservation protects device.

Background

The circuit protection device is also called a line protection device, is mainly used for the protection, measurement and control of interval units of various voltage classes, has perfect protection, measurement, control, automatic switching of standby power supply and communication monitoring functions, provides a complete solution for the protection and control of transformer substations, power plants, high-low voltage power distribution and power plant electric systems, and can powerfully guarantee the safe and stable operation of high-low voltage power grids and power plant electric systems.

In the prior art, because a circuit is easily powered off when the circuit is overloaded due to external factors, the circuit is more complicated to replace, and the circuit does not have the power-on protection function, a self-protection device for the circuit is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the circuit is easy to power off when the external factors lead to the circuit overload, and is more complicated when the circuit is changed, and the self-protection device of the circuit is provided without the defects of the power-on protection function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit self preservation protects device, includes first box body, the inside fixedly connected with mounting panel of first box body, two fuses of the inside fixedly connected with of first box body, two dead levers of the outer wall fixedly connected with of first box body, the equal fixedly connected with rectangular block in bottom of two dead levers, the outer wall sliding sleeve of rectangular block is equipped with the second box body, the fixed frame of the inside fixedly connected with of second box body, the outer wall fixedly connected with busbar of fixed frame, the outer wall fixedly connected with sliding sleeve of fixed frame, the inside fixedly connected with conductor wire of sliding sleeve, the bottom fixedly connected with electro-magnet of conductor wire, the inner wall of second box body is equipped with protection mechanism.

Preferably, the protection machanism includes the conducting rod, the outer wall magnetism of electro-magnet is connected with the strong magnet, the outer wall of strong magnet and the inner wall sliding connection of sliding sleeve, the bottom of strong magnet and the top fixed connection of conducting rod, the bottom fixedly connected with conducting block of conducting rod, two U type pieces of the inner wall fixedly connected with of fixed frame, the outer wall difference fixedly connected with second connecting wire and the first connecting wire of two U type pieces, two springs of the outer wall fixedly connected with of U type piece, the same electrically conductive clamp splice of one end fixedly connected with of two springs carry out in close contact with to the conducting block through setting up the electrically conductive clamp splice.

Preferably, two threaded holes are formed in the outer wall of the second box body, bolts are connected to the inner walls of the two threaded holes in a threaded mode, and the second box body is fixed in position through the bolts.

Preferably, the bottom of the sliding sleeve is provided with a sliding hole, and the inner wall of the sliding hole is connected with the outer wall of the conducting rod in a sliding manner.

Preferably, one end of the conductive wire is linearly connected with one of the fuses, one end of the second connection wire is linearly connected with the other fuse, and the circuit is protected by the fuse.

Preferably, the other end of the conductive wire is linearly connected to a bus bar, and the first connection wire is linearly connected to the bus bar.

Preferably, the first box body is internally provided with a wire harness hole, and the outer wall of the first box body is provided with a mounting hole.

Compared with the prior art, the utility model has the advantages of:

this scheme is when the circuit transships, and the fuse blows, through setting up busbar, conductor wire, electro-magnet, strong magnet, conducting rod, conducting block, U type piece, first connecting wire, second connecting wire, spring and electrically conductive clamp splice, makes the electric current operate through the busbar to protect the circuit, when changing the circuit simultaneously, rotatable bolt is relieved the rigidity to the second box body, slides the second box body downwards, conveniently changes it.

Drawings

Fig. 1 is a schematic perspective view of a circuit self-protection device according to the present invention;

fig. 2 is a schematic cross-sectional view of a circuit self-protection device according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 of a circuit self-protection device according to the present invention.

In the figure: 1. a first case; 2. mounting a plate; 3. a fuse; 4. a wire harness hole; 5. a fixing rod; 6. a rectangular block; 7. a second box body; 8. a bolt; 9. a bus bar; 10. a conductive line; 11. an electromagnet; 12. a strong magnet; 13. a conductive rod; 14. a conductive block; 15. a U-shaped block; 16. a first connection line; 17. a second connecting line; 18. a spring; 19. a conductive clamping block.

Detailed Description

Shown by fig. 1-3, relate to a circuit self preservation protects device, including first box body 1, the inside fixedly connected with mounting panel 2 of first box body 1, two fuses 3 of the inside fixedly connected with of first box body 1, one of them fuse 3 blows, make electro-magnet 11 lose magnetism, two dead levers 5 of the outer wall fixedly connected with of first box body 1, the equal fixedly connected with rectangular block 6 in bottom of two dead levers 5, the outer wall sliding sleeve of rectangular block 6 is equipped with second box body 7, two screw holes have been seted up to the outer wall of second box body 7, the equal threaded connection of the inner wall of two screw holes has bolt 8, bolt 8 carries out the rigidity to second box body 7, the inside fixedly connected with fixed frame of second box body 7, the outer wall fixedly connected with busbar 9 of fixed frame, the outer wall fixedly connected with sliding sleeve of fixed frame, the inside fixedly connected with conductor wire 10 of sliding sleeve, the one end of conductor wire 10 is connected with one of them fuse 3 linearly, the one end of second connecting wire 17 is connected with another 3 linearly, the bottom fixedly connected with electro-magnet 11 of conductor wire 10, the other end of conductor wire 10 is connected with busbar 9 linearly, the other end is connected with busbar 9 linearly, the linear connection between first connecting wire 16 and the busbar 9, the inner wall of second fuse 7 is equipped with protection mechanism.

As shown in fig. 2 and 3, the protection mechanism includes a conductive rod 13, the conductive rod 13 slides downward, so that the conductive block 14 enters between two conductive clamping blocks 19, a sliding hole is formed at the bottom of the sliding sleeve, an inner wall of the sliding hole is slidably connected with an outer wall of the conductive rod 13, an outer wall of the electromagnet 11 is magnetically connected with a strong magnet 12, an outer wall of the strong magnet 12 is slidably connected with an inner wall of the sliding sleeve, the bottom of the strong magnet 12 is fixedly connected with the top of the conductive rod 13, the bottom of the conductive rod 13 is fixedly connected with the conductive block 14, an inner wall of the fixing frame is fixedly connected with two U-shaped blocks 15, outer walls of the two U-shaped blocks 15 are respectively fixedly connected with a second connecting wire 17 and a first connecting wire 16, two springs 18 are fixedly connected with outer walls of the U-shaped blocks 15, the conductive blocks 14 are in close contact under the action of the springs 18, one end of the two springs 18 is fixedly connected with the same conductive clamping block 19, a wiring hole 4 is formed in the first box 1, and an outer wall of the first box 1 is provided with a mounting hole.

The working principle is as follows: when the circuit normally operates, the current enters the conducting wire 10 through one of the fuses 3 and passes through the bus bar 9, the current is conveyed, when the circuit is overloaded, the fuse 3 is blown, the electromagnet 11 loses magnetism, the strong magnet 12 loses attraction and slides downwards by overcoming friction force, the strong magnet 12 slides downwards to enable the conducting rod 13 to slide downwards, the conducting block 14 enters between the two conducting clamping blocks 19, the conducting block 14 is in close contact under the action of the spring 18, the current is operated through the bus bar 9 through the action of the first connecting wire 16 and the second connecting wire 17, the circuit is protected, meanwhile, when the circuit is replaced, the bolt 8 can be rotated to remove the position fixing of the second box body 7, the second box body 7 slides downwards through the fixing rod 5 and the rectangular block 6, and the replacement of the circuit is convenient.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a circuit self preservation protects device, includes first box body (1), its characterized in that, inside fixedly connected with mounting panel (2) of first box body (1), two fuses (3) of the inside fixedly connected with of first box body (1), two dead levers (5) of the outer wall fixedly connected with of first box body (1), the equal fixedly connected with rectangular block in bottom (6) of two dead levers (5), the outer wall sliding sleeve of rectangular block (6) is equipped with second box body (7), the fixed frame of the inside fixedly connected with of second box body (7), the outer wall fixedly connected with busbar (9) of fixed frame, the outer wall fixedly connected with sliding sleeve of fixed frame, the inside fixedly connected with conductor wire (10) of sliding sleeve, the bottom fixedly connected with electro-magnet (11) of conductor wire (10), the inner wall of second box body (7) is equipped with protection mechanism.

2. The circuit self-protection device according to claim 1, wherein the protection mechanism comprises a conductive rod (13), the outer wall of the electromagnet (11) is magnetically connected with a strong magnet (12), the outer wall of the strong magnet (12) is slidably connected with the inner wall of the sliding sleeve, the bottom of the strong magnet (12) is fixedly connected with the top of the conductive rod (13), the bottom of the conductive rod (13) is fixedly connected with a conductive block (14), the inner wall of the fixed frame is fixedly connected with two U-shaped blocks (15), the outer walls of the two U-shaped blocks (15) are respectively fixedly connected with a second connecting wire (17) and a first connecting wire (16), the outer wall of the U-shaped block (15) is fixedly connected with two springs (18), and one end of the two springs (18) is fixedly connected with the same conductive clamping block (19).

3. The self-protection device for electric circuits of claim 1, characterized in that the outer wall of the second box (7) is provided with two threaded holes, and the inner walls of the two threaded holes are connected with bolts (8) in a threaded manner.

4. The self-protecting device for circuit of claim 2, wherein the sliding sleeve has a sliding hole at the bottom, and the inner wall of the sliding hole is slidably connected to the outer wall of the conductive rod (13).

5. A circuit self-protection device according to claim 2, wherein one end of said conductive wire (10) is linearly connected to one of said fuses (3), and one end of said second connection line (17) is linearly connected to the other fuse (3).

6. A circuit self-protection device according to claim 5, characterised in that the other end of said conductive wire (10) is linearly connected to the busbar (9), said first connection line (16) being linearly connected to the busbar (9).

7. The self-protection device for the circuit according to claim 1, wherein the first box body (1) is provided with a wire harness hole (4) inside, and the outer wall of the first box body (1) is provided with a mounting hole.