CN213304038U

CN213304038U - Intelligent direct current breaker

Info

Publication number: CN213304038U
Application number: CN202022835108.6U
Authority: CN
Inventors: 刘雄
Original assignee: Yunnan Yaoxin Technology Co ltd
Current assignee: Yunnan Yaoxin Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-05-28
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an intelligent DC circuit breaker in the technical field of DC circuit breaker, which comprises a DC circuit breaker main body and a mounting plate, wherein one side of the mounting plate is provided with a clamping groove, the mounting plate is internally provided with a mounting cavity, the inner wall of the mounting cavity is fixedly connected with a second spring, one side of the second spring far away from the inner wall of the mounting cavity is fixedly connected with a fixed plate, one side of the DC circuit breaker main body is fixedly connected with a control switch, when wiring is needed, wires with different diameters are inserted into the wiring device through a first spring and a limiting plate which are arranged in the wiring device, the first spring is compressed through the limiting plate, so that the inner diameter of the wiring device can be changed, and the resilience of the first spring is utilized, the wiring device can more stably fix the wires with different diameters when wiring, thereby greatly improving the application range and the practicability of the device, greatly improving the market competitiveness of the device.

Description

Intelligent direct current breaker

Technical Field

The utility model relates to a direct current breaker technical field specifically is an intelligent direct current breaker.

Background

The direct current breaker has the current-limiting performance of super-first current, can accurately protect relay protection and automatic devices from faults of overload, short circuit and the like, has the advantages of current-limiting and arc-extinguishing capabilities, can realize full selective protection among a main (sub) screen, a protective screen and a relay screen in a direct current system below 3000Ah through a large number of comprehensive scientific experiments, and both the direct current breaker and on-load voltage regulation refer to voltage regulation modes of a transformer tap changer, and is different from the condition that an off-circuit tap changer does not have the capability of switching gears with loads, because the tap changer has a short-time disconnection process in the gear switching process and breaks load current to cause arc between contacts to burn out the tap changer or short circuit, the transformer must be powered off during gear switching, so the direct current breaker is generally used for transformers which have not strict requirements on voltage and do not need to frequently switch gears, and the on-load tap changer can switch gears with loads, because the on-load tap-changer does not have a short-time breaking process in the gear shifting process and is transited through a transition resistor to be converted from one gear to another gear, the arc-drawing process of load current breaking does not exist, the circuit breaker can be used for distributing electric energy and protecting a power supply circuit, a motor and the like, when serious overload or short circuit, undervoltage and other faults occur, the circuit can be automatically cut off, the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, parts do not need to be changed after fault current is broken, the direct current circuit breaker needs to be installed when in use, the traditional direct current circuit breaker is troublesome to install, needs to be fixed by screws and is inconvenient to use, the installation efficiency of the direct current circuit breaker is reduced, the working efficiency of workers is further reduced, and the inner diameter of a wiring hole of the existing wiring device is constant, the wires with different diameters cannot be flexibly connected, so that the application range of the direct current circuit breaker is greatly limited, and therefore an intelligent direct current circuit breaker is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent direct current breaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent direct current breaker comprises a direct current breaker main body and a mounting plate, wherein one side of the mounting plate is provided with a clamping groove, the interior of the mounting plate is provided with a mounting cavity, the inner wall of the mounting cavity is fixedly connected with a second spring, one side of the second spring, far away from the inner wall of the mounting cavity, is fixedly connected with a fixed plate, one side of the direct current breaker main body is fixedly connected with a control switch, the other side of the direct current breaker main body is fixedly connected with a connecting rod, one end, far away from the direct current breaker main body, of the connecting rod extends into the mounting cavity through the clamping groove and is fixedly connected with a clamping plate, the front end surface of the direct current breaker main body is fixedly connected with a wiring device, the wiring device comprises a wiring outer hole, a first spring is fixedly connected inside the wiring outer hole, one end, far, and an electric wire is arranged inside the limiting plate.

Preferably, the first spring and the limiting plate inside the wiring device are provided with six groups and are distributed in an annular array inside the wiring outer hole.

Preferably, the wiring device is provided with two rows, four in each row, and the four rows are uniformly distributed at equal intervals along the vertical direction.

Preferably, the outer surface cover of limiting plate is equipped with anti-skidding cover, the surface of anti-skidding cover is provided with anti-skidding line.

Preferably, the width and the length of the clamping plate are matched with those of the clamping groove, and the width of the connecting rod is smaller than that of the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, align the joint board with the clamping groove first, then press the DC breaker main body hard, make the joint board enter the mounting panel through the clamping groove, when the joint board enters the mounting panel, the joint board can push the fixed plate to move to the inner side of the mounting cavity, thereby can compress the second spring backward, after the joint board completely enters the mounting cavity inside the mounting panel, rotate the DC breaker main body, make the joint board rotate to the horizontal direction from the vertical direction, then loosen the power of pressing the DC breaker main body, thereby make the external force of oppressing the second spring disappear, and further make the second spring rebound fast, finally drive the fixed plate to fasten the joint board fixed in the mounting cavity, when needing to dismantle, rotate the DC breaker main body hard, make the joint board rotate to the vertical direction from the horizontal direction, and then take out the joint board through the clamping groove, thereby can dismantle the direct current circuit breaker main part from the mounting panel fast, and then solved and utilized the bolt fastening and make the installation and dismantle inconvenient problem, very big improvement staff's work efficiency, when needs wiring, through the inside first spring and the limiting plate that sets up of termination, when the electric wire of different diameters size inserts in the termination, compress first spring through the limiting plate, make termination's internal diameter size changeable, and utilize the resilience of first spring, make termination can be more firm fix the electric wire of different diameters when the wiring, thereby very big improvement the application scope and the practicality of this device, the market competition of this device has been improved greatly.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

fig. 2 is a front view of the junction device and the wire connecting portion of the present invention;

fig. 3 is a side view of the mounting plate of the present invention.

In the figure: 1. a DC breaker body; 2. a control switch; 3. a wiring device; 31. a wiring outer hole; 32. a first spring; 33. a limiting plate; 34. an anti-slip sleeve; 4. an electric wire; 5. a connecting rod; 6. a clamping and connecting plate; 7. mounting a plate; 8. a mounting cavity; 9. a second spring; 10. a fixing plate; 11. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides the following technical solutions: an intelligent direct current breaker comprises a direct current breaker main body 1 and a mounting plate 7, wherein one side of the mounting plate 7 is provided with a clamping groove 11, the interior of the mounting plate 7 is provided with a mounting cavity 8, the inner wall of the mounting cavity 8 is fixedly connected with a second spring 9, one side of the second spring 9 far away from the inner wall of the mounting cavity 8 is fixedly connected with a fixing plate 10, one side of the direct current breaker main body 1 is fixedly connected with a control switch 2, the other side of the direct current breaker main body 1 is fixedly connected with a connecting rod 5, one end of the connecting rod 5 far away from the direct current breaker main body 1 extends into the mounting cavity 8 through the clamping groove 11 and is fixedly connected with a clamping plate 6, the front end surface of the direct current breaker main body 1 is fixedly connected with a wiring device 3, the wiring device 3 comprises a wiring outer hole 31, the interior of the wiring outer hole 31 is fixedly connected with a, the wire 4 is arranged inside the limiting plate 33;

referring to fig. 2, six sets of first springs 32 and limiting plates 33 are disposed inside the wiring device 3, and are distributed in an annular array inside the wiring outer hole 31;

referring to fig. 1, the wiring devices 3 are arranged in two rows, four in each row, and are uniformly distributed at equal intervals in the vertical direction;

referring to fig. 2, an anti-slip sleeve 34 is sleeved on the outer surface of the limiting plate 33, and anti-slip threads are arranged on the outer surface of the anti-slip sleeve 34;

referring to fig. 1 and 3, the width and length of the clamping plate 6 are matched with the width and length of the clamping slot 11, and the width of the connecting rod 5 is smaller than the width of the clamping slot 11.

The working principle is as follows: when the device is installed, the clamping plate 6 is aligned with the clamping groove 11, then the direct current breaker main body 1 is pressed forcibly, so that the clamping plate 6 enters the mounting plate 7 through the clamping groove 11, when the clamping plate 6 enters the mounting plate 7, the clamping plate 6 can push the fixing plate 10 to move towards the inner side of the mounting cavity 8, so that the second spring 9 can be compressed backwards, after the clamping plate 6 completely enters the mounting cavity 8 inside the mounting plate 7, the direct current breaker main body 1 is rotated, so that the clamping plate 6 rotates from the vertical direction to the horizontal direction, then the force pressing the direct current breaker main body 1 is released, so that the external force pressing the second spring 9 disappears, the second spring 9 rebounds rapidly, the fixing plate 10 is finally driven to fixedly fix the clamping plate 6 in the mounting cavity 8 in a fastening manner, when the direct current breaker main body 1 needs to be disassembled, so that the clamping plate 6 rotates from the horizontal direction to the vertical direction, rethread draw-in groove 11 takes out joint board 6, thereby can dismantle DC circuit breaker main part 1 from mounting panel 7 fast, and then solved and utilized the bolt fastening and make the installation with dismantle inconvenient problem, very big improvement staff's work efficiency, when needs wiring, through the inside first spring 32 and the limiting plate 33 that set up of termination 3, when electric wire 4 of different diameters size inserts termination 3 in, compress first spring 32 through limiting plate 33, make termination 3's internal diameter size changeable, and utilize the resilience of first spring 32, make termination 3 can be more firm when the wiring fix electric wire 4 of different diameters, thereby very big improvement the application scope and the practicality of this device, the market competition of this device has been improved greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent direct current breaker, includes direct current breaker main part (1) and mounting panel (7), its characterized in that: draw-in groove (11) has been seted up to one side of mounting panel (7), the inside of mounting panel (7) is provided with installation cavity (8), the inner wall fixedly connected with second spring (9) of installation cavity (8), one side fixedly connected with fixed plate (10) of installation cavity (8) inner wall is kept away from in second spring (9), one side fixedly connected with control switch (2) of direct current circuit breaker main part (1), the opposite side fixedly connected with connecting rod (5) of direct current circuit breaker main part (1), the one end that direct current circuit breaker main part (1) was kept away from in connecting rod (5) extends to installation cavity (8) inside and fixedly connected with joint board (6) through draw-in groove (11), direct current circuit breaker main part (1) front end fixed surface is connected with termination (3), termination (3) are including wiring outer hole (31), the inside fixedly connected with first spring (32) of wiring outer hole (31), the one end fixedly connected with limiting plate (33) of wiring outer hole (31) is kept away from in first spring (32), the inside of limiting plate (33) is provided with electric wire (4).

2. An intelligent dc circuit breaker according to claim 1, characterized in that: the first spring (32) and the limiting plate (33) in the wiring device (3) are provided with six groups, and are distributed in an annular array in the wiring outer hole (31).

3. An intelligent dc circuit breaker according to claim 1, characterized in that: the wiring device (3) is provided with two rows, four in each row, and the four rows are uniformly distributed at equal intervals along the vertical direction.

4. An intelligent dc circuit breaker according to claim 1, characterized in that: the outer surface cover of limiting plate (33) is equipped with anti-skidding cover (34), the surface of anti-skidding cover (34) is provided with anti-skidding line.

5. An intelligent dc circuit breaker according to claim 1, characterized in that: the width and the length of the clamping plate (6) are matched with those of the clamping groove (11), and the width of the connecting rod (5) is smaller than that of the clamping groove (11).