阅读说明：本技术 一种智能电网断路器 (Smart power grids circuit breaker ) 是由 顾振飞 毛宇鹏 陈勇 汤昕怡 王文轩 李维勇 王文锋 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种智能电网断路器,属于断路器技术领域,包括安装底板、分合闸、断路器主体和接线端子,安装底板的侧面设置有断路器主体,断路器主体的侧面设置有分合闸,断路器主体的两端设置有接线端子,所述安装底板的两端设置有与接线端子相对应的固定机构,固定机构包括用于防止与接线端子连接的电线发生晃动的锁止组件以及用于对锁止组件进行解锁的复位组件,所述锁止组件包括限位框架,限位框架的内壁上间隔设置有第一锁止板；本发明结构简单,使用方便,使用时通过锁止组件和复位组件的相互配合实现对电线的快速固定和释放,避免电线与接线端子的连接处由于电线的晃动而产生松动,使断路器的使用更加安全。(The invention discloses an intelligent power grid circuit breaker, which belongs to the technical field of circuit breakers and comprises an installation bottom plate, an opening and closing switch, a circuit breaker main body and connecting terminals, wherein the circuit breaker main body is arranged on the side surface of the installation bottom plate; the circuit breaker is simple in structure and convenient to use, the locking assembly and the reset assembly are matched with each other to realize quick fixation and release of the electric wire during use, looseness of the connection part of the electric wire and the wiring terminal due to shaking of the electric wire is avoided, and the circuit breaker is safer to use.)

1. The utility model provides a smart power grids circuit breaker, includes mounting plate (1), divide-shut brake (2), circuit breaker main part (7) and binding post (8), and the side of mounting plate (1) is provided with circuit breaker main part (7), and the side of circuit breaker main part (7) is provided with divide-shut brake (2), and the both ends of circuit breaker main part (7) are provided with binding post (8), its characterized in that:

the both ends of mounting plate (1) are provided with fixed establishment (3) corresponding with binding post (8), fixed establishment (3) are including being used for carrying out the locking subassembly that fastens and being used for carrying out the reset assembly of unblock to the electric wire of being connected with binding post (8).

2. The smart grid circuit breaker as recited in claim 1, wherein: the locking subassembly includes first locking plate (31), spacing frame (32), locking case (33), cushion plate (37) and fixed subassembly, spacing frame mounting is on installation floor (1), first locking plate (31) symmetry is located on the inner wall of spacing frame (32), locking case (33) sliding connection is in the one end of mounting plate (1) is kept away from in spacing frame (32), cushion plate (37) set up in the one end of locking case (33), fixed subassembly symmetry sets up in the inside of locking case (33) for cooperate first locking plate (31) to fix the electric wire.

3. The smart grid circuit breaker as recited in claim 2, wherein: the fixing assembly comprises a driving plate (36), a second locking plate (34) and a limiting assembly, the limiting assembly is arranged on the inner wall of the locking box (33), the driving plate (36) is connected to the limiting assembly in a sliding mode, and the second locking plate (34) corresponding to the first locking plate (31) is arranged at one end of the driving plate (36).

4. The smart grid circuit breaker as recited in claim 3, wherein: spacing subassembly includes locating part (389) and reset spring (35), locating part (389) and drive plate (36) sliding connection, the one end of locating part (389) is provided with reset spring (35) that are used for driving drive plate (36) and are close to locking case (33).

5. The smart grid circuit breaker as recited in claim 4, wherein: the reset assembly comprises a third limiting plate (386), a pressing plate (387), a transmission plate (384), a traction belt (388) and a driving assembly, the third limiting plate (386) is arranged on the inner wall of the locking box (33), one side of the third limiting plate (386) is provided with the pressing plate (387), one end of the pressing plate (387) is provided with the transmission plate (384) which is in sliding connection with the third limiting plate (386), one end, away from the pressing plate (387), of the transmission plate (384) is provided with the driving assembly used for driving the pressing plate (387) to act, and one end, away from the transmission plate (384), of the pressing plate (387) is provided with the traction belt (388) used for driving the driving plate (36) to move.

6. The smart grid circuit breaker as recited in claim 5, wherein: the traction belt (388) is a steel wire belt or a nylon belt.

7. The smart grid circuit breaker as recited in claim 6, wherein: the driving assembly comprises two groups of first limiting plates (381), a second limiting plate (382) and a driving spring (385), the first limiting plates (381) are arranged in parallel, the first limiting plates are fixed between the inner walls of the third limiting plate (386) and the locking box (33), two ends of the second limiting plate (382) are connected to the two groups of first limiting plates (381) in a sliding mode respectively, and the driving spring (385) corresponding to the third limiting plate (386) is arranged at two ends of the second limiting plate (382).

8. The smart grid circuit breaker as recited in claim 7, wherein: a pressing piece (383) is arranged on the side surface of the second limiting plate (382).

9. The smart grid circuit breaker as recited in any one of claims 1-8, wherein: and a closing component for driving the opening and closing switch (2) to reset is arranged at one end of the breaker main body (7).

10. The smart grid circuit breaker as recited in claim 9, wherein: the closing assembly comprises a winding rod (5), a traction rope (4) and a driver (6), the traction rope (4) corresponding to the opening and closing brake (2) is arranged at the two ends of the winding rod (5), and the driver (6) used for driving the winding rod (5) to rotate is arranged on the side face of the breaker main body (7).

Technical Field

The invention relates to a smart grid circuit breaker, and belongs to the technical field of circuit breakers.

Background

The circuit breaker is a device capable of automatically breaking a circuit under a specific condition, and the function of the device is equivalent to the combination of a fuse type switch, a relay and the like, and in an intelligent power grid, the circuit breaker is often arranged for providing reliable protection for the circuit;

the traditional circuit breaker comprises components such as an indicator light, a test button, a screw, a positioning buckle and the like, and has the advantages of convenience in disassembly and assembly and certain damping effect;

however, the circuit breaker is lack of a fixing structure for the electric wire, so that the connection part of the electric wire and the wiring terminal is easy to loosen due to the shaking of the electric wire, and the use of the circuit breaker has potential safety hazards.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a smart grid circuit breaker which solves the problem that the connection part of a wire and a wiring terminal is easy to loosen due to the shaking of the wire because the circuit breaker is lack of a fixing structure for the wire.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

the invention provides an intelligent power grid circuit breaker which comprises an installation bottom plate, a switching-on and switching-off device, a circuit breaker main body and connecting terminals, wherein the circuit breaker main body is arranged on the side surface of the installation bottom plate, the switching-on and switching-off device is arranged on the side surface of the circuit breaker main body, the connecting terminals are arranged at two ends of the circuit breaker main body, fixing mechanisms corresponding to the connecting terminals are arranged at two ends of the installation bottom plate, and each fixing mechanism comprises a locking assembly and a reset assembly, wherein the locking assembly is used for fastening electric wires connected with the connecting terminals, and the reset assembly is used for unlocking the locking assembly.

Preferably, the locking subassembly includes first locking plate, spacing frame, locking case, buffering backing plate and fixed subassembly, spacing frame mounting is on the installation floor, first locking plate symmetry is located on spacing frame's the inner wall, locking case sliding connection is in the one end that mounting plate was kept away from to spacing frame, the buffering backing plate set up in the one end of locking case, fixed subassembly symmetry sets up in the inside of locking case for cooperate first locking plate to fix the electric wire.

Preferably, the fixing assembly comprises a driving plate, a second locking plate and a limiting assembly, the limiting assembly is arranged on the inner wall of the locking box, the driving plate is connected to the limiting assembly in a sliding mode, and the second locking plate corresponding to the first locking plate is arranged at one end of the driving plate.

Preferably, the limiting assembly comprises a limiting part and a return spring, the limiting part is connected with the drive plate in a sliding mode, and the return spring used for driving the drive plate to be close to the locking box is arranged at one end of the limiting part.

Preferably, the reset assembly includes third limiting plate, stripper plate, driving plate, pulls area and drive assembly, the third limiting plate sets up in the inner wall of locking case, one side of third limiting plate is provided with the stripper plate, the one end of stripper plate be provided with third limiting plate sliding connection's driving plate, the one end that the stripper plate was kept away from to the driving plate is provided with the drive assembly who is used for driving the action of stripper plate, the one end that the driving plate was kept away from to the stripper plate is provided with the area of pulling that is used for driving the drive plate and removes.

Preferably, the traction belt is a steel wire belt or a nylon belt.

Preferably, the driving assembly comprises two sets of first limiting plates, a second limiting plate and a driving spring, the first limiting plates are arranged in parallel and fixed between the inner walls of the third limiting plate and the locking box, two ends of the second limiting plate are respectively connected to the two sets of first limiting plates in a sliding mode, and the driving spring corresponding to the third limiting plate is arranged at two ends of the second limiting plate.

Preferably, a pressing piece is arranged on the side surface of the second limit plate.

Preferably, one end of the breaker main body is provided with a closing assembly for driving the opening and closing switch to reset.

Preferably, the closing assembly comprises a winding rod, a traction rope and a driver, the traction rope corresponding to the opening and closing of the switch is arranged at two ends of the winding rod, and the driver used for driving the winding rod to rotate is arranged on the side face of the breaker main body.

Compared with the prior art, the invention has the following beneficial effects: the circuit breaker has the advantages that the structure is simple, the use is convenient, the quick fixation and release of the electric wire are realized through the mutual matching of the locking assembly and the reset assembly when the circuit breaker is used, the looseness of the connection part of the electric wire and the wiring terminal caused by the shaking of the electric wire is avoided, the use of the circuit breaker is safer, in addition, the circuit breaker has an automatic reset function, the closing assembly drives the opening and closing switch to reset when the circuit breaker is used, the use of the circuit breaker is more convenient, and the circuit breaker is worthy of popularization and use.

Drawings

Fig. 1 is a schematic structural diagram of a smart grid circuit breaker;

fig. 2 is a schematic structural diagram of a fixing mechanism in a smart grid circuit breaker;

fig. 3 is a structural sectional view of a locking box in a smart grid circuit breaker;

fig. 4 is a schematic structural diagram of a driving board in a smart grid circuit breaker.

In the figure: 1. mounting a bottom plate; 2. switching on and off; 3. a fixing mechanism; 4. a hauling rope; 5. winding the rod; 6. a driver; 7. a circuit breaker main body; 8. a wiring terminal; 31. a first lock plate; 32. a limiting frame; 33. a lock box; 34. a second lock plate; 35. a return spring; 36. a drive plate; 37. a cushion plate; 381. a first limit plate; 382. a second limiting plate; 383. a pressing member; 384. a drive plate; 385. a drive spring; 386. a third limiting plate; 387. a pressing plate; 388. a traction belt; 389. and a limiting member.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1, the smart grid circuit breaker provided by the embodiment of the invention includes an installation base plate 1, a switching-on/off switch 2, a circuit breaker main body 7 and a connection terminal 8, wherein the circuit breaker main body 7 is arranged on a side surface of the installation base plate 1, the switching-on/off switch 2 is arranged on a side surface of the circuit breaker main body 7, the connection terminal 8 is arranged at two ends of the circuit breaker main body 7, fixing mechanisms 3 corresponding to the connection terminal 8 are arranged at two ends of the installation base plate 1, and each fixing mechanism 3 includes a locking assembly for fastening an electric wire connected with the connection terminal 8 and a reset assembly for unlocking the locking assembly;

referring to fig. 2 and 3, in an embodiment, in order to facilitate the fixing of the locking assembly to the electric wire, in the embodiment, preferably, the locking assembly includes a first locking plate 31, a limiting frame 32, a locking box 33, a buffer cushion plate 37 and a fixing assembly, the limiting frame 32 is installed on the installation floor, the first locking plate 31 is symmetrically disposed on an inner wall of the limiting frame 32, the locking box 33 is slidably connected to one end of the limiting frame 32 away from the installation bottom plate 1, the buffer cushion plate 37 is disposed at one end of the locking box 33, and the fixing assembly is symmetrically disposed inside the locking box 33 and is used for matching the first locking plate 31 to fix the electric wire;

referring to fig. 2, fig. 3 and fig. 4, in an embodiment, in order to reduce the cost of the fixing assembly, in the embodiment, preferably, the fixing assembly includes a driving plate 36, a second locking plate 34 and a limiting assembly, the limiting assembly is disposed on an inner wall of the locking box 33, the driving plate 36 is slidably connected to the limiting assembly, and one end of the driving plate 36 is provided with the second locking plate 34 corresponding to the first locking plate 31;

referring to fig. 3, in an embodiment, in order to improve a limiting effect of the limiting assembly, in the embodiment, preferably, the limiting assembly includes a limiting member 389 and a return spring 35, the limiting member 389 is slidably connected to the driving plate 36, one end of the limiting member 389 is provided with the return spring 35 for driving the driving plate 36 to approach the locking box 33, and the return spring 35 is fixedly connected to the limiting member 389 by welding;

in another embodiment, in order to make the cost of the locking assembly lower, in this embodiment, preferably, the locking assembly includes a limiting frame 32, first locking plates 31 are arranged on the inner wall of the limiting frame 32 at intervals, a locking box 33 is slidably connected to one end of the limiting frame 32 away from the mounting base plate 1, a driving plate 36 is arranged inside the locking box 33, a second locking plate 34 corresponding to the first locking plate 31 is arranged at one end of the driving plate 36, a fixing plate is arranged in the middle of the bottom end of the locking box 33, eleventh limiting plates corresponding to the driving plate 36 are arranged on two sides of the fixing plate, and an eleventh spring for driving the driving plate 36 away from the fixing plate is arranged on a side surface of the driving plate 36;

referring to fig. 2 and 3, in an embodiment, in order to reduce the failure rate of the reset assembly, in the embodiment, preferably, the reset assembly includes a third limit plate 386, a pressing plate 387, a driving plate 384, a traction belt 388 and a driving assembly, the third limit plate 386 is disposed on an inner wall of the lock box 33, the pressing plate 387 is disposed on one side of the third limit plate 386, the driving plate 384 slidably connected to the third limit plate 386 is disposed at one end of the pressing plate 387, a driving assembly for driving the pressing plate 387 to move is disposed at one end of the driving plate 384, which is away from the driving plate 384, and the traction belt 388 for driving the driving plate 36 to move is disposed at one end of the pressing plate 387;

in order to make the use of the pulling belt 388 more reliable, in this embodiment, it is preferable that the pulling belt 388 is a steel wire belt or a nylon belt;

referring to fig. 3, in an embodiment, in order to reduce the cost of the driving assembly and prevent the second limiting plate 382 from tilting during use, in the embodiment, preferably, the driving assembly includes two sets of first limiting plates 381, second limiting plates 382 and driving springs 385, the two sets of first limiting plates 381 are parallel to each other and fixed between the third limiting plate 386 and the inner wall of the lock box 33, two ends of the second limiting plate 382 are slidably connected to the two sets of first limiting plates 381, two ends of the second limiting plate 382 are provided with the driving springs 385 corresponding to the third limiting plate 386, and a side surface of the second limiting plate 382 is provided with a pressing piece 383;

in another embodiment, in order to make the cost of the reset assembly lower, in this embodiment, preferably, the reset assembly includes a limit screw in threaded connection with the locking box 33, the limit screw is disposed in the middle of one end of the locking box 33 away from the mounting base plate 1, one end of the limit screw is rotatably connected with a steel wire rope for driving the driving plate 36 to move through a bearing, and as the limit screw continuously extends into the locking box 33, the steel wire rope is pressed down through the limit screw, so that the driving plates 36 approach each other;

referring to fig. 1, in order to make the use of the circuit breaker more humanized, in this embodiment, preferably, a closing component for driving the opening and closing switch 2 to reset is disposed at one end of the circuit breaker main body 7;

referring to fig. 1, in an embodiment, in order to make the use of the closing assembly more convenient, in the embodiment, preferably, the closing assembly includes a winding rod 5, a pulling rope 4 and a driver 6, the pulling rope 4 corresponding to the opening and closing switch 2 is disposed at two ends of the winding rod 5, and the driver 6 for driving the winding rod 5 to rotate is disposed at a side surface of the circuit breaker main body 7;

the material of the pulling rope 4 is not limited, in this embodiment, preferably, the pulling rope 4 is a steel wire rope, a driver 6 for driving the winding rod 5 to rotate is arranged on the side surface of the breaker main body 7, and the driver 6 is a stepping motor or a pneumatic motor;

when the circuit breaker tripping operation, in case the circuit overhauls the back that finishes, when needing to divide combined floodgate 2 to reset, drive winding rod 5 through driver 6 and rotate, carry out the rolling through winding rod 5 to haulage rope 4, constantly the rolling through haulage rope 4 is divided combined floodgate 2 and is reset, does not need the user manual reset, makes the use of circuit breaker more convenient, labour saving and time saving.

The working principle and the using process of the invention are as follows: when the circuit breaker is used, an electric wire penetrates through the limiting frame 32, then the electric wire is fixed on the wiring terminal 8, after wiring is finished, a user presses the locking box 33 downwards, at the moment, the locking box 33 slides downwards, when the second locking plate 34 is in contact with the first locking plate 31, the second locking plate 34 is accommodated in the locking box 33, so that the locking box 33 can continuously move downwards, when the second locking plate 34 wants to move upwards, the first locking plate 31 plays a role in fixing and locking the second locking plate 34, the locking box 33 is prevented from moving upwards, therefore, the cable is quickly and reliably fixed through continuous sinking of the locking box 33, the electric wire is prevented from shaking when being used, the circuit breaker is prevented from being damaged due to poor contact between the wiring terminal 8 and the electric wire due to shaking of the electric wire, and the circuit breaker is safer and more reliable to use;

when the user need carry out the unblock to the electric wire, press the pressing part 383 downwards, stripper plate 387 moves downwards this moment, makes two drive plates 36 be close to each other, and the inside of entering locking case 33 is accomodate to second lock plate 34 this moment to remove the fixed to locking case 33, the user can operate the electric wire this moment, makes the user fixed and release convenience more of electric wire, and labour saving and time saving is worth promoting and using.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.