Integrated inverted environment-friendly cabinet circuit breaker switch

Abstract

The utility model provides an integrated flip environment-friendly cabinet circuit breaker switch, which belongs to the technical field of circuit breaker switches and comprises a front side plate and a rear side plate, a composite main shaft is mounted between the front side plate and the rear side plate, a contact blade is mounted on the composite main shaft, an insulating mounting plate is mounted at the top between the front side plate and the rear side plate, and the insulating mounting plate is mounted on the rear side plate. Fixing assemblies are installed on the left sides and the right sides of the front side plate and the rear side plate, a left side plate is installed on the left sides of the front side plate and the rear side plate, a right side plate is installed on the right sides of the front side plate and the rear side plate, and a supporting plate is installed between the left side plate and the right side plate. A plurality of arc extinguish chamber fixing supports installed between the left side plate and the right side plate are arranged above the supporting plate. According to the utility model, the problems of complex structure, large volume, unreliable use and inconvenient installation are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit breaker switch technical field, concretely relates to a kind of integrated inverted environmental protection cabinet circuit breaker switch. BACKGROUND

[0002] In power system, circuit breaker switch is an important protection and control equipment, and plays a vital role. There are a series of problems and deficiencies in the design and use of traditional ring network cabinet circuit breaker switch.

[0003] From the material, the material used in many traditional ring network cabinet circuit breaker switch is not environmental protection material, which will cause great pressure to the environment in production, use and waste disposal process. For example, some parts may contain plastic with difficult-to-degrade ingredients.

[0004] In terms of performance, the insulation performance of traditional ring network cabinet circuit breaker switch is often not ideal. This may lead to leakage, discharge and other problems in high voltage environment, which not only affects the normal operation of power system, but also may cause safety hazards. From the structure design aspect, the structure of traditional ring network cabinet circuit breaker switch is complex, and the volume is large. When closing and opening, the linkage action between the disconnector assembly and the circuit breaker will gradually deviate due to the increase of use times, which will cause the on-off effect to gradually deteriorate with the use time. Therefore, an integrated inverted environmental protection cabinet circuit breaker switch is proposed. SUMMARY

[0005] The utility model provides a kind of integrated inverted environmental protection cabinet circuit breaker switch, its purpose is to solve the problem of complex structure, large volume, not reliable enough to use, not enough convenient to install.

[0006] The utility model embodiment provides a kind of integrated inverted environmental protection cabinet circuit breaker switch, including front side plate, rear side plate, composite main shaft is installed between the front side plate and rear side plate, contact blade is installed on the composite main shaft, insulating mounting plate is installed at the top between the front side plate and rear side plate, fixed assembly is installed on the left and right sides of the front side plate and rear side plate, left side plate is installed on the left side of the front side plate and rear side plate, right side plate is installed on the right side of the front side plate and rear side plate, support plate is installed between the left side plate and right side plate, a plurality of arc extinguishing chamber fixed supports are arranged between the left side plate and right side plate and are arranged above the support plate, switching conductor is installed on the arc extinguishing chamber fixed support, vacuum arc extinguishing chamber is installed between the arc extinguishing chamber fixed support and support plate, corresponding support assembly is arranged below the vacuum arc extinguishing chamber and is arranged between the left side plate and right side plate, corresponding soft connection is installed on the support assembly, and the vacuum arc extinguishing chamber is connected with switching conductor.

[0007] Further, the composite spindle is internally provided with a socket for inserting and mounting the contact blade, the soft connection is mounted between the corresponding vacuum arc-extinguishing chamber and the support part, and the outer side of the composite spindle is provided with a ring-shaped and vertical reinforcing rib.

[0008] By adopting the above technical scheme, the reinforcing rib has the functions of enhancing the strength of the composite spindle and reducing the exposed part of the contact blade, the vacuum arc-extinguishing chamber is connected with the contact blade through the adapter conductor, thereby achieving the connection of the entire integrated circuit breaker, ensuring the normal operation and function implementation, and the soft connection plays the role of connecting the switch and the copper bar at the bottom of the cabinet, thereby perfecting the entire electrical connection system.

[0009] Further, the fixing assembly comprises a first horizontal rib and a second horizontal rib, the second horizontal rib is mounted on the left side between the front side plate and the rear side plate, the first horizontal rib is mounted on the right side between the front side plate and the rear side plate, and the second horizontal rib is provided with a grounding static contact that engages with the contact blade.

[0010] By adopting the above technical scheme, the strength of the front side plate and the rear side plate as a whole is enhanced.

[0011] Further, the front side plate and the rear side plate are each provided with a welding plate on the side close to each other, the composite spindle is located between the two welding plates, the front side plate and the rear side plate are each provided with a rectangular positioning groove and a circular positioning hole, and the welding plates are mounted on the front side plate and the rear side plate by welding.

[0012] By adopting the above technical scheme, the overall strength of the front side plate and the rear side plate is effectively enhanced.

[0013] Further, the front side plate and the rear side plate are each provided with an observation window.

[0014] By adopting the above technical scheme, it is convenient for the debugging personnel to observe the on-off state of the disconnector and the circuit breaker switch from the side, and it also helps to reduce the overall weight of the switch.

[0015] Further, the insulating mounting plate is provided with a plurality of extension partitions and a plurality of copper pieces, the extension partitions and the copper pieces are arranged in a spaced manner, the bottom of the copper piece is tightly connected with a main female static contact, and the copper piece is connected with the contact blade through the main female static contact.

[0016] By adopting the above technical scheme, the extension partitions are used to distinguish between the A, B and C phases, the arc isolation can be realized, the inter-phase creepage distance is increased, the insulation performance is improved, the influence of the arc is reduced, the top of the copper piece is connected with the bus bar of the cabinet, and the electrical connection relationship is thus perfected.

[0017] Further, the left side plate and the right side plate are provided with transverse ribs, the left side plate and the right side plate are provided with longitudinal ribs intersecting with the transverse ribs, and the left side plate and the right side plate are provided with waist round holes and rectangular notches.

[0018] By adopting the technical scheme, the transverse ribs and the longitudinal ribs can enhance the strength of the side plates, effectively increase the creepage distance between each phase, the waist round holes and the rectangular notches can further increase the creepage distance and help reduce the weight of the side plates, and reasonable work station layout, installation site planning and careful design of the transverse ribs, the longitudinal ribs and the rectangular notches can effectively guarantee the electrical insulation performance and structural stability of the environmental protection cabinet circuit breaker side plate in the running stage.

[0019] The utility model discloses the beneficial effect is:

[0020] 1. This switch adopts more compact and optimized layout. Through the integrated flip design, various components are compactly integrated together, unnecessary space waste is reduced, the volume of the whole switch is reduced, and the overall cost is reduced.

[0021] 2. Improve the stability and reliability of operation. The integrated structure reduces the connection links between components, reduces the risk of failure caused by poor connection or looseness, the flip design can improve the stress distribution and enhance the mechanical strength, so that the circuit breaker reduces the probability of failure in long-term operation.

[0022] 3. Enhance the environmental protection performance and optimize the insulation structure. By adopting new insulation materials and innovative insulation design, the insulation performance is improved, the possibility of electric leakage and discharge is reduced,

[0023] 4. Easy to install and debug. The integrated flip design makes the installation process more convenient and fast, reduces the installation time and labor cost, and the key parts easy to access make the debugging personnel can debug the value more quickly, greatly shorten the debugging time.

[0024] Other features and advantages of the utility model will be described in the subsequent specification, and part of it becomes obvious from the specification, or is understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure specially pointed out in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0026] Figure 1 It is the three-dimensional structure schematic view of the embodiment of the utility model;

[0027] Figure 2 It is the side view structure schematic diagram of the embodiment of the utility model;

[0028] Figure 3 It is the front view removes the front side plate structure schematic diagram of the embodiment of the utility model;

[0029] Figure 4 It is the welding plate structure schematic diagram of the embodiment of the utility model;

[0030] Figure 5 It is the extension partition, copper piece structure schematic diagram of the embodiment of the utility model;

[0031] Figure 6 It is the jack structure schematic diagram of the embodiment of the utility model;

[0032] Reference signs: 1, front side plate; 2, rear side plate; 3, composite main shaft; 4, contact blade; 5, insulating mounting plate; 6, horizontal rib one; 7, horizontal rib two; 8, left side plate; 9, right side plate; 10, support plate; 11, arc extinguishing chamber fixed support; 12, switching conductor; 13, support part; 14, flexible connection; 15, vacuum arc extinguishing chamber; 16, welding plate; 17, extension partition; 18, copper piece; 19, jack. DETAILED DESCRIPTION

[0033] In order to make the technical scheme of the utility model purposes, technical scheme and advantages more clearly, the following will be combined with the drawings of the embodiment of the utility model, the technical scheme of the embodiment of the utility model is clearly and completely described.In the drawings, the same reference signs represent the same parts.It should be noted that the described embodiment is a part of the embodiment of the utility model, not all the embodiments.Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0034] Refer to Figures 1-6The utility model discloses an integrated inverted environmental protection cabinet circuit breaker switch, including front side plate 1, rear side plate 2, install the composite main shaft 3 between front side plate 1 and rear side plate 2, install the contact blade 4 on composite main shaft 3, install the insulating mounting plate 5 between the top of front side plate 1 and rear side plate 2, install the fixed assembly on the left and right sides of front side plate 1, rear side plate 2, install the left side plate 8 on the left side of front side plate 1, rear side plate 2, install the right side plate 9 on the right side of front side plate 1, rear side plate 2, install the support plate 10 between left side plate 8 and right side plate 9, the upper portion of support plate 10 is provided with a plurality of arc extinguishing chamber fixed supports 11 installed between left side plate 8 and right side plate 9, install the switching conductor 12 on arc extinguishing chamber fixed support 11, the lower portion of vacuum arc extinguishing chamber 15 is provided with corresponding bracket part 13 and bracket part 13 is installed between left side plate 8 and right side plate 9, install corresponding flexible connection 14 on bracket part 13, install vacuum arc extinguishing chamber 15 between arc extinguishing chamber fixed support 11 and support plate 10, vacuum arc extinguishing chamber 15 is connected with switching conductor 12, vacuum arc extinguishing chamber 15 is connected with flexible connection 14, vacuum arc extinguishing chamber 15 is connected with bracket part 13;

[0035] The screw is used for fixedly assembling between the components, and this effectively reduces the risk of failure caused by poor connection or looseness, and the inverted design has the advantages of improving the stress distribution, can enhance the mechanical strength, can reduce the use amount of the cabinet copper bar, and can reduce the cost, improve the economy and reliability as a whole, the insulating mounting plate 5, the composite main shaft 3, the circuit breaker side plate and the support plate 10 can adopt the SMC environmental protection insulating material, and the material has the advantages of high mechanical performance, good insulation, arc resistance, high voltage resistance, acid and alkali resistance, corrosion resistance, moisture resistance, high temperature resistance and the like.

[0036] The composite main shaft 3 is internally provided with a jack 19 for inserting and mounting the contact blade 4, the flexible connection 14 is installed between the corresponding vacuum arc extinguishing chamber 15 and the bracket part 13, the outer side of the composite main shaft 3 is provided with a ring-shaped and vertical reinforcing rib, the reinforcing rib has the functions of enhancing the strength of the composite main shaft 3 and reducing the exposed part of the contact blade 4, the vacuum arc extinguishing chamber 15 is connected with the contact blade 4 through the switching conductor 12, so that the whole integrated circuit breaker is connected, the normal operation and function are ensured, and the flexible connection 14 plays the role of connecting the switch and the copper bar at the bottom of the cabinet, and the whole electrical connection system is improved.

[0037] The fixed assembly includes horizontal rib one 6 and horizontal rib two 7, the horizontal rib two 7 is installed on the left side between the front side plate 1 and the rear side plate 2, the horizontal rib one 6 is installed on the right side between the front side plate 1 and the rear side plate 2, the horizontal rib two 7 is provided with a grounding static contact that engages with the contact blade 4, and is used for enhancing the strength of the whole front side plate 1 and rear side plate 2.

[0038] The front side plate 1 and the rear side plate 2 are provided with welding plates 16 on the side close to each other, the composite main shaft 3 is between the two welding plates 16, the front side plate 1 and the rear side plate 2 are provided with rectangular positioning grooves and circular positioning holes, and the welding plates 16 are installed on the front side plate 1 and the rear side plate 2 by welding process, thereby effectively enhancing the overall strength of the front side plate 1 and the rear side plate 2.

[0039] The front side plate 1 and the rear side plate 2 are provided with observation windows, which are convenient for the debugging personnel to observe the on-off state of the isolating switch and the circuit breaker switch from the side, and also help to reduce the overall weight of the switch.

[0040] The insulating mounting plate 5 is provided with a plurality of extension partitions 17, and a plurality of copper pieces 18 are installed on the insulating mounting plate 5, the extension partitions 17 and the copper pieces 18 are arranged at intervals, the bottom of the copper piece 18 is tightly connected with a main female static contact, the copper piece 18 is connected with the contact blade 4 through the main female static contact, the extension partitions 17 are used to distinguish between A, B and C three phases, can realize arc isolation, increase the inter-phase creepage distance, thereby improving the insulation performance, reducing the influence of arc, the top of the copper piece 18 is connected with the cabinet busbar row, so as to perfect the electrical connection relationship.

[0041] The left side plate 8 and the right side plate 9 are provided with transverse ribs, the left side plate 8 and the right side plate 9 are provided with longitudinal ribs intersecting with the transverse ribs, the left side plate 8 and the right side plate 9 are provided with waist round holes and rectangular notches, the transverse ribs and the longitudinal ribs effectively increase the creepage distance between each phase while enhancing the strength of the side plate, the waist round holes and the rectangular notches can further increase the creepage distance and help to reduce the weight of the side plate, reasonable work station layout, installation site planning and transverse ribs, longitudinal ribs, rectangular notches and other careful design effectively guarantee the electrical insulation performance and structural stability of the environmental protection cabinet circuit breaker side plate in the running stage.

[0042] The embodiment is specific to: in use, first install the support plate 10, the left side plate 8, the right side plate 9, the support plate 10 is positioned through the positioning opening of the left side plate 8 and the right side plate 9 body, then it can be placed in the corresponding position, then the vacuum arc-extinguishing chamber 15 is placed, then the arc-extinguishing chamber fixing support 11 is placed, they are fixed and assembled through screws, then the soft connection 14 and the support assembly 13 are taken, the support assembly 13 is installed at the positioning hole position of the left side plate 8 and the right side plate 9 body, the soft connection 14 is directly penetrated by a screw rod on the support assembly 13 (the support assembly 13 is known to those skilled in the art, and will not be described in detail), and finally the adapter conductor 12 is installed. The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the attached claims and equivalents thereof.

Claims

1. An integrated inverted environmentally friendly cabinet circuit breaker switch comprising a front side plate (1), a rear side plate (2), characterized in that, The front side plate (1) and the rear side plate (2) are provided with a composite main shaft (3) installed therebetween, and the composite main shaft (3) is provided with a contact blade (4) installed thereon; the top of the front side plate (1) and the rear side plate (2) is provided with an insulating mounting plate (5); the left and right sides of the front side plate (1) and the rear side plate (2) are provided with a fixing assembly; the left side of the front side plate (1) and the rear side plate (2) is provided with a left side plate (8); the right side of the front side plate (1) and the rear side plate (2) is provided with a right side plate (9); the left side plate (8) and the right side plate (9) are provided with a support plate (10) installed therebetween; the support plate (10) is provided with a plurality of arc-extinguishing chamber fixing supports (11) installed between the left side plate (8) and the right side plate (9) above the support plate (10); the arc-extinguishing chamber fixing supports (11) are all provided with a switching conductor (12) installed thereon; the arc-extinguishing chamber fixing supports (11) and the support plate (10) are provided with a vacuum arc-extinguishing chamber (15) installed therebetween; the vacuum arc-extinguishing chamber (15) is provided with a corresponding support part (13) below the vacuum arc-extinguishing chamber (15) and the support part (13) is installed between the left side plate (8) and the right side plate (9); and the support part (13) is provided with a corresponding flexible connection (14) installed thereon.

2. The integrated inverted environmentally friendly cabinet circuit breaker switch of claim 1, wherein: The composite main shaft (3) is internally provided with a jack (19) for inserting and installing the contact blade (4); the flexible connection (14) is installed between the corresponding vacuum arc-extinguishing chamber (15) and the support part (13); and the outer side of the composite main shaft (3) is provided with a ring-shaped and vertical reinforcing rib.

3. The integrated inverted environmentally friendly cabinet circuit breaker switch of claim 1, wherein: The fixing assembly comprises a horizontal rib one (6) and a horizontal rib two (7); the horizontal rib two (7) is installed on the left between the front side plate (1) and the rear side plate (2); the horizontal rib one (6) is installed on the right between the front side plate (1) and the rear side plate (2); and the horizontal rib two (7) is provided with a grounding static contact (4) engaged therewith.

4. The integrated inverted environmentally friendly cabinet circuit breaker switch of claim 1, wherein: The front side plate (1) and the rear side plate (2) are both provided with a welding plate (16) installed on the side close to each other, and the composite main shaft (3) is between the two welding plates (16); the front side plate (1) and the rear side plate (2) are both provided with a rectangular positioning groove and a circular positioning hole; and the welding plate (16) is installed on the front side plate (1) and the rear side plate (2) by using a welding process.

5. The integrated inverted environmentally friendly cabinet circuit breaker switch of claim 1, wherein: The front side plate (1) and the rear side plate (2) are both provided with an observation window.

6. The integrated inverted environmentally friendly cabinet circuit breaker switch of claim 1, wherein: The insulating mounting plate (5) is provided with a plurality of extension partitions (17) installed thereon; the insulating mounting plate (5) is provided with a plurality of copper pieces (18) installed thereon; the extension partitions (17) and the copper pieces (18) are spacedly arranged; the bottom of the copper piece (18) is tightly connected with a main female static contact; and the copper piece (18) is connected with the contact blade (4) through the main female static contact.

7. The integrated inverted environmentally friendly cabinet circuit breaker switch of claim 1, wherein: The left side plate (8) and the right side plate (9) are both provided with a horizontal rib; the left side plate (8) and the right side plate (9) are both provided with a vertical rib intersecting with the horizontal rib; and the left side plate (8) and the right side plate (9) are both provided with a waist round hole and a rectangular notch.

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