CN216054465U

CN216054465U - Integrated circuit breaker

Info

Publication number: CN216054465U
Application number: CN202122556324.1U
Authority: CN
Inventors: 董彬彬; 桑路云
Original assignee: Jihui Electric Group Co ltd
Current assignee: Jihui Electric Group Co ltd
Priority date: 2021-10-23
Filing date: 2021-10-23
Publication date: 2022-03-15
Anticipated expiration: 2031-10-23

Abstract

The utility model discloses an integrated circuit breaker, which comprises a fixed cabinet, wherein a plurality of embedded poles which are arranged at equal intervals are arranged in the fixed cabinet, an isolating switch is arranged at the upper end of each embedded pole, a charged sensor is arranged at the lower end of each embedded pole, an earthing switch is arranged below each embedded pole, a connecting pin is arranged on the front surface of each embedded pole, a connecting block is arranged at the lower end of each connecting pin, and the upper end of each connecting pin is connected with the front surface of each embedded pole; the grounding switch is connected with the lower end face of the solid-sealed polar pole through a connecting arm. The utility model greatly improves the insulation strength; after the isolating switch is opened, the safety of maintainers and equipment is ensured; the high-performance miniaturized high-voltage electrical product integrates a disconnecting switch, a solid-sealed vacuum circuit breaker and a grounding switch into a whole.

Description

Integrated circuit breaker

Technical Field

The utility model relates to a circuit breaker, in particular to an integrated circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. The existing circuit breaker can not ensure the safety of maintainers and equipment; the security is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art, thereby providing a cable which greatly improves the insulating strength; after the isolating switch is opened, the safety of maintainers and equipment is ensured; the high-performance miniaturized high-voltage electric integrated circuit breaker integrates a disconnecting switch, a solid-sealed vacuum circuit breaker and a grounding switch.

The technical problem of the utility model is mainly solved by the following technical scheme:

an integrated circuit breaker comprises a fixed cabinet, wherein a plurality of embedded poles which are arranged at equal intervals are arranged in the fixed cabinet, an isolating switch is arranged at the upper end of each embedded pole, a charged sensor is arranged at the lower end of each embedded pole, a grounding switch is arranged below each embedded pole, a connecting pin is arranged on the front side of each embedded pole, a connecting block is arranged at the lower end of each connecting pin, and the upper end of each connecting pin is connected with the front side of each embedded pole; the grounding switch is connected with the lower end face of the solid-sealed polar pole through a connecting arm.

Furthermore, a base is arranged on the upper end face of the solid-sealed polar pole, a switch frame is arranged on the base, and an adjusting switch is arranged inside the switch frame; the lower end of the regulating switch is connected with the base, the top of a fixed cabinet of the regulating switch is provided with an upper connecting shaft which is horizontally arranged, and the upper connecting shaft is connected with the regulating switch through an upper connecting mechanism; the bottom of the fixed cabinet is provided with a lower connecting shaft which is horizontally arranged, and the lower connecting shaft and the upper connecting shaft are arranged in parallel;

furthermore, the upper connecting mechanism comprises an adjusting arm, an upper lock catch is arranged at the outer end of the adjusting arm and sleeved on the peripheral surface of the upper connecting shaft, and the inner end of the adjusting arm is connected with the adjusting switch; the inner end of the adjusting arm is provided with a connecting frame, the lower end of the connecting frame is provided with a clamping column, the clamping column is arranged in the middle of the adjusting switch, the upper end of the connecting frame is provided with a clamping block, and the clamping block is arranged at the upper end of the adjusting switch; a fixed block is arranged on the top surface of the base, the fixed block is T-shaped, and the lower end of the adjusting switch is connected with the fixed block; the peripheral surface of the switch frame is provided with a plurality of reinforcing blocks which are arranged at equal intervals, and the reinforcing blocks are U-shaped; the top of the switch frame is provided with a buckling block which is in an L shape.

Furthermore, a sleeve is arranged at the upper end of the connecting arm and sleeved on the peripheral surface of the lower connecting shaft, a lower lock catch is arranged between the sleeve and the upper end of the connecting arm, and a stop lock pin is arranged between the lower lock catch and the upper end of the connecting arm; the lateral wall of the fixed cabinet is provided with a side arm, a second butt joint arm and a first butt joint arm which are sequentially connected, an upper connecting buckle is arranged at the upper end of the side arm and sleeved at the end part of the outer end of the upper connecting shaft, a lower connecting buckle is arranged at the lower end of the first butt joint arm and sleeved at the end part of the outer end of the lower connecting shaft.

Further, a clamp is arranged on the inward facing surface of the lower end of the connecting block.

By adopting the integrated circuit breaker of the technical scheme, the grounding switch is used for grounding, so that the circuit breaker is protected, the capacity of the insulating rod is extremely high, the surface insulation is changed into volume insulation, compared with air insulation, the influence of the environment is reduced, and the insulation strength is greatly improved; after the isolating switch is switched off, a reliable insulating gap is established, and equipment or a circuit to be overhauled is separated from a power supply by an obvious disconnection point, so that the safety of maintainers and the equipment is ensured; the modular design and the frame structure are adopted, and the high-performance miniaturized high-voltage electric product with the integrated isolating switch, the solid-sealed vacuum circuit breaker, the grounding switch, the sensor, the interlocking mechanism and the operating mechanism is integrated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of the integrated circuit breaker of the present invention.

Fig. 2 is a schematic structural diagram of an integrated circuit breaker according to the present invention.

Fig. 3 is a front view of the integrated circuit breaker of the present invention.

Fig. 4 is a rear view of the integrated circuit breaker of the present invention.

Fig. 5 is a side view of the integrated circuit breaker of the present invention.

Fig. 6 is a schematic structural diagram of the isolating switch of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

As shown in fig. 1 to 6, an integrated circuit breaker includes a fixed cabinet 5, a plurality of embedded poles 1 arranged at equal intervals are arranged inside the fixed cabinet 5, an isolating switch 2 is arranged at the upper end of the embedded pole 1, a charged sensor 3 is arranged at the lower end of the embedded pole 1, a grounding switch 4 is arranged below the embedded pole 1, a connecting pin 6 is arranged on the front side of the embedded pole 1, a connecting block 7 is arranged at the lower end of the connecting pin 6, and the upper end of the connecting pin 6 is connected with the front side of the embedded pole 1; the grounding switch 4 is connected with the lower end face of the solid-sealed polar pole 1 through a connecting arm 9.

According to the integrated circuit breaker, the grounding switch 4 is used for grounding, so that the circuit breaker is protected, the capacity of the insulating rod is extremely high, the surface insulation is changed into the volume insulation, compared with air insulation, the influence of the environment is reduced, and the insulation strength is greatly improved; after the isolating switch 2 is switched off, a reliable insulating gap is established, and equipment or a circuit to be overhauled is separated from a power supply by an obvious disconnection point, so that the safety of maintainers and equipment is ensured; the modular design and the frame structure are adopted, and the high-performance miniaturized high-voltage electric product with the integrated isolating switch, the solid-sealed vacuum circuit breaker, the grounding switch, the sensor, the interlocking mechanism and the operating mechanism is integrated. Can be assembled in a small-sized fixed cabinet, a ring main unit or a box transformer substation.

Preferably, a base 10 is arranged on the upper end face of the solid-sealed polar pole 1, a switch frame 11 is arranged on the base 10, and an adjusting switch 12 is arranged inside the switch frame 11; the lower end of the regulating switch 12 is connected with the base 10, the top of the fixed cabinet 5 of the regulating switch 12 is provided with an upper connecting shaft 19 which is horizontally arranged, and the upper connecting shaft 19 is connected with the regulating switch 12 through an upper connecting mechanism; the bottom of the fixed cabinet 5 is provided with a lower connecting shaft 22 which is horizontally arranged, and the lower connecting shaft 22 and the upper connecting shaft 19 are arranged in parallel; the upper connecting mechanism comprises an adjusting arm 20, an upper lock catch 21 is arranged at the outer end of the adjusting arm 20, the upper lock catch 21 is sleeved on the peripheral surface of the upper connecting shaft 19, and the inner end of the adjusting arm 20 is connected with the adjusting switch 12; the inner end of the adjusting arm 20 is provided with a connecting frame 13, the lower end of the connecting frame 13 is provided with a clamping column 15, the clamping column 15 is arranged in the middle of the adjusting switch 12, the upper end of the connecting frame 13 is provided with a clamping block 14, and the clamping block 14 is arranged at the upper end of the adjusting switch 12; a fixed block 16 is arranged on the top surface of the base 10, the fixed block 16 is T-shaped, and the lower end of the adjusting switch 12 is connected with the fixed block 16; the operator can manually rotate and go up connecting axle 19, the rotation of going up connecting axle 19 drives regulating arm 20 and removes, the removal of regulating arm 20 is through link 13, card post 15 and fixture block 14 remove the regulation to regulating switch 12's upper end and middle part, thereby the realization removes the regulation to isolator 2, operate sealed utmost point post 1 admittedly through isolator 2, high insulator spindle ability, it becomes the volume insulation with surface insulation, compare air insulation, the influence of environment has been reduced, the dielectric strength is greatly improved.

Preferably, the peripheral surface of the switch frame 11 is provided with a plurality of reinforcing blocks 18 which are arranged at equal intervals, and the reinforcing blocks 18 are U-shaped; the top of the switch frame 11 is provided with a buckling block 17, and the buckling block 17 is in an L shape; the reinforcing block 18 reinforces the outer peripheral surface of the switch frame 11, and the top of the switch frame 11 is firmly fastened by the fastening block 17.

Preferably, a sleeve 23 is arranged at the upper end of the connecting arm 9, the sleeve 23 is sleeved on the peripheral surface of the lower connecting shaft 22, a lower lock catch 24 is arranged between the sleeve 23 and the upper end of the connecting arm 9, and a stop lock pin 25 is arranged between the lower lock catch 24 and the upper end of the connecting arm 9; the grounding switch 4 is connected with the lower connecting shaft 22 through the connecting arm 9, and the connecting arm 9 and the lower connecting shaft 22 are firmly installed through the lower lock catch 24.

Preferably, the outer side wall of the fixed cabinet 5 is provided with a side arm 26, a second butt arm 30 and a first butt arm 28, the side arm 26, the second butt arm 30 and the first butt arm 28 are sequentially connected, the upper end of the side arm 26 is provided with an upper connecting buckle 27, the upper connecting buckle 27 is sleeved on the outer end part of the upper connecting shaft 19, the lower end of the first butt arm 28 is provided with a lower connecting buckle 29, and the lower connecting buckle 29 is sleeved on the outer end part of the lower connecting shaft 22; the operator can manually control the lower connecting shaft 22 to rotate, and the rotation of the lower connecting shaft 22 drives the side arms 26, the second butt-joint arm 30 and the first butt-joint arm 28 to drive the upper connecting shaft 19 to rotate, so that the operator can conveniently and flexibly rotate.

Preferably, the lower end of the connecting block 7 is internally provided with a clamp 8 facing inwards; the lower end of the connecting block 7 can be firmly clamped through the clamp 8.

The integrated circuit breaker has excellent electrical and mechanical properties, reliable and stable mechanism and long service life. The main loop adopts the solid-sealed polar pole, so that the environmental adaptability and the insulation reliability of the circuit breaker are improved; reliable mechanical and electronic performance, prolonged mechanical and electronic life, and the possibility of maintenance-free circuit breakers. The protection box control unit is used for an electric power system, is used as a power grid device and a protection box control unit for power design of industrial and mining enterprises, and is suitable for various loads with different properties, frequent operation and occasions of repeatedly switching on and off short-circuit current. The product has perfect mechanical and electrical interlocking devices, has extremely high operation stability and reliability, ensures the safety of operators and equipment, and ensures the safety of power utilization.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an integral type circuit breaker, includes the stationary cabinet, the inside of stationary cabinet is equipped with a plurality of solid utmost point posts that seal that are equidistant and arrange, its characterized in that: the upper end of the solid-sealed polar pole is provided with an isolating switch, the lower end of the solid-sealed polar pole is provided with a charged sensor, a grounding switch is arranged below the solid-sealed polar pole, the front side of the solid-sealed polar pole is provided with a connecting pin, the lower end of the connecting pin is provided with a connecting block, and the upper end of the connecting pin is connected with the front side of the solid-sealed polar pole; the grounding switch is connected with the lower end face of the solid-sealed polar pole through a connecting arm.

2. The integrated circuit breaker according to claim 1, wherein: a base is arranged on the upper end face of the solid-sealed polar pole, a switch frame is arranged on the base, and an adjusting switch is arranged inside the switch frame; the lower end of the regulating switch is connected with the base, the top of a fixed cabinet of the regulating switch is provided with an upper connecting shaft which is horizontally arranged, and the upper connecting shaft is connected with the regulating switch through an upper connecting mechanism; the bottom of the fixed cabinet is provided with a lower connecting shaft which is horizontally arranged, and the lower connecting shaft and the upper connecting shaft are arranged in parallel.

3. The integrated circuit breaker according to claim 2, wherein: the upper connecting mechanism comprises an adjusting arm, an upper lock catch is arranged at the outer end of the adjusting arm and sleeved on the outer peripheral surface of the upper connecting shaft, and the inner end of the adjusting arm is connected with the adjusting switch.

4. The integrated circuit breaker according to claim 3, wherein: the inner of regulating arm is equipped with the link, and the lower extreme of link is equipped with the card post, and the card post is installed at regulating switch's middle part, and the upper end of link is equipped with the fixture block, and the fixture block is installed at regulating switch's upper end.

5. The integrated circuit breaker according to claim 2, wherein: the top surface of the base is provided with a fixing block, the fixing block is T-shaped, and the lower end of the adjusting switch is connected with the fixing block.

6. The integrated circuit breaker according to claim 2, wherein: the peripheral face of switch frame is equipped with a plurality of stiffeners that are the equidistant arrangement, and the stiffener is the U type shape.

7. The integrated circuit breaker according to claim 2, wherein: the top of the switch frame is provided with a buckling block which is in an L shape.

8. The integrated circuit breaker according to claim 1, wherein: the upper end of the connecting arm is provided with a sleeve, the sleeve is sleeved on the peripheral surface of the lower connecting shaft, a lower lock catch is arranged between the sleeve and the upper end of the connecting arm, and a locking lock pin is arranged between the lower lock catch and the upper end of the connecting arm.

9. The integrated circuit breaker according to claim 8, wherein: the lateral wall of the fixed cabinet is provided with a side arm, a second butt joint arm and a first butt joint arm which are sequentially connected, an upper connecting buckle is arranged at the upper end of the side arm and sleeved at the end part of the outer end of the upper connecting shaft, a lower connecting buckle is arranged at the lower end of the first butt joint arm and sleeved at the end part of the outer end of the lower connecting shaft.

10. The integrated circuit breaker according to claim 1, wherein: the lower end of the connecting block is internally provided with a clamp towards the surface.