CN204858285U - A non-porous closed busbar system and circuit breaker adapter assembly - Google Patents

Abstract

The utility model discloses a sclausura enclosed bus system and circuit breaker adapter subassembly. Sclausura enclosed bus system includes the generating line adapter and connects circuit breaker adapter, insulator foot and the nut on generating line adapter both sides, fixed being provided with metal column on the base, and metal column upper portion is equipped with the external screw thread with nut matched with, the metal column passes adapter bottom back and is connected with the nut. Be equipped with the inlet wire protection casing above the generating line adapter. Generating line adapter subassembly is including generating line adapter, connection insulator foot, the inlet wire protection casing of setting on the generating line adapter below the generating line adapter. The utility model discloses simple to operate, the junction contact is good, and it burns out to be difficult for generating heat to adopt the insulator foot, further improved insulating properties and security. The switch board of installation cooling system and sclausura enclosed bus system has further increased the heat dissipation function, ensures that the internal components and parts of cabinet are difficult for damaging because of generating heat.

Description

A non-porous closed busbar system and circuit breaker adapter assembly

technical field

The utility model relates to the technical field of power distribution equipment.

Background technique

The busbar system is mainly used in low-voltage power distribution cabinets. The incoming and outgoing circuit adopts non-porous electrical installation technology. The switch is connected to the busbar through a busbar adapter. The power distribution busbar is both a conductor and a support for electrical components and is enclosed at the back. It plays the purpose of electrical insulation, closed installation, safety and reliability. The existing busbar inlet clamps are phase-separated. The circuit breaker converter has no base and is mostly hung on the screws. After a long time of use, it is prone to poor contact, easy to burn out due to heat, and its insulation performance and safety need to be further improved.

The Chinese invention with application number 200980118576.5 relates to a closed busbar system for three-phase low-voltage power distribution, comprising longitudinally extending phase lines and transverse branch lines, each of which is electrically connected to an associated phase line. In order to reduce the cross-section or to increase the power, the phase conductors are held plugged into the sockets of the insulating housing, so that a cooling channel is formed associated with each phase conductor between the back side of the phase conductors and the bottom inner side of said socket . The Chinese invention with application number 201410410518.2 discloses a new type of energy-saving and environment-friendly bus duct and its connector. The bus duct includes I-shaped side panels and side panels. An integrally formed side plate of the side plate; the I-shaped side plate and the side plate are both aluminum-magnesium alloy side plates, and the two are connected by non-hole riveting. The invention also discloses a connector for the busway, which includes connecting main side plates, connecting secondary side plates and connecting cover plates, the connecting cover plates are divided into upper and lower connecting cover plates, and the connecting main side plates and connecting secondary side plates are installed In the connecting cover plate; an integrated seamless sealing rubber pad is provided between the upper and lower connecting cover plates. The Chinese utility model with the application number of 201120064125.2 discloses a phase-isolated closed bus bar, which is a separated phase closed bus bar structural part or several isolated phase closed It is fixedly connected with the shell, the conductors of the separated phase closed bus structural parts connected head to tail, and the shells of the isolated phase closed bus structural parts connected head to tail are fixedly connected together, and the conductors of the separated phase closed bus structural parts are connected with the separated phase The shells of the closed busbar structural parts are connected through supporting insulators, and the insulators are located at the joints of the off-phase closed busbar structural parts connected head to tail.

Utility model content

The technical problem to be solved by the utility model is to provide a non-porous closed busbar system and a circuit breaker adapter assembly, which has good insulation performance, is easy to install, and is not easy to heat and burn out.

The technical solution of the utility model is: a non-porous closed busbar system, including an adapter, the adapter includes a busbar adapter and a circuit breaker adapter connected to both sides of the busbar adapter, the non-porous The hole-enclosed busbar system also includes an insulating base and a nut. The insulating base is connected under the adapter. A metal post is fixed on the insulating base. The upper part of the metal post is provided with an external thread that matches the nut. The metal post Connect with the nut after going through the bottom of the adapter.

There are two circuit breaker adapters, which are respectively located on both sides of the busbar adapter.

The insulating base includes an insulating base located under the busbar adapter and an insulating base located under the circuit breaker adapter.

The insulating base is a detachable and assembleable structure; the insulating base located under the busbar adapter and the insulating base located under the circuit breaker adapter can be assembled to form a whole.

The insulating base located under the busbar adapter and the insulating base located under the circuit breaker adapter are an integrated structure.

The busbar adapter is provided with an incoming protective cover.

The busbar adapter adopts a three-phase-in-one structure. The circuit breaker adapter is a reclosing circuit breaker adapter.

A circuit breaker adapter assembly, comprising a circuit breaker adapter, an insulating base arranged under the circuit breaker adapter, and a nut, the insulating base is fixedly provided with a metal post, and the upper part of the metal post is provided with a The external thread of the metal post passes through the bottom of the circuit breaker adapter and is connected with the nut.

A busbar adapter assembly includes a busbar adapter, an insulating base connected under the busbar adapter, and a line-in protective cover arranged on the busbar adapter.

The busbar adapter assembly also includes a nut, and a metal post is fixedly arranged on the insulating base below the busbar adapter, and the upper part of the metal post is provided with an external thread matched with the nut, and the metal post passes through the busbar to turn Connect the nut to the bottom of the connector.

A power distribution cabinet, including a cabinet body, a busbar system, a main power switch, a cable room and other components are arranged in the cabinet body, a power distribution monitoring system is provided on the front of the cabinet body, and the power distribution cabinet also includes a heat dissipation system and the above-mentioned wireless Hole closed busbar system; the heat dissipation system includes an air outlet arranged on the top surface of the cabinet, a heat dissipation air duct reserved in the cabinet, an air inlet arranged on the front and side of the cabinet, and a fan arranged at the air outlet.

The utility model has the advantages of convenient installation, safe and convenient line connection, and good contact at the connection point, which is not easy to burn out due to heat generation, and adopts an insulating base to further improve the insulation performance and safety. The busbar incoming line can also adopt the form of three-phase integration, which can save resources. The power distribution cabinet installed with a cooling system and a non-porous closed busbar system further increases the cooling function and ensures that the components in the cabinet are not easily damaged by heat.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of the non-porous closed busbar system of the present invention.

Fig. 2 is a schematic front view of the non-porous closed busbar system of the present invention.

Fig. 3 is a schematic left view of the non-porous closed busbar system of the present invention.

Fig. 4 is a schematic top view of the non-porous closed busbar system of the present invention.

Fig. 5 is a schematic cross-sectional structure diagram of the non-porous closed busbar system of the present invention.

1. Busbar adapter, 2. Circuit breaker adapter, 3. Main busbar, 4. Inlet protective cover.

Detailed ways

As shown in Figures 1 to 5, a non-porous closed busbar system includes a busbar adapter 1, two circuit breaker adapters 2 respectively connected to both sides of the busbar adapter, an integrally formed insulating base, and nuts. The insulating base is fixed with a metal post, and the bottoms of the busbar adapter and the two circuit breaker adapters are provided with fixing holes for the metal post to pass through. The lower end of the metal post is fixed on the insulating base, and the upper part of the metal post is An external thread matched with the nut is provided, and the metal post passes through a fixing hole at the bottom of the adapter (busbar adapter or circuit breaker adapter) and is fixedly connected with the nut to form a whole. The insulating base below the busbar adapter is provided with a metal column, and the metal column passes through the busbar adapter above the insulating base. The insulating base below the circuit breaker adapter is also provided with a metal post, and the metal post passes through the circuit breaker adapter above the insulating base. Mounting holes for installation into the power distribution cabinet are provided on the insulating base to facilitate installation into the power distribution cabinet. The circuit breaker adapter includes the main busbar 3 . An incoming line protective cover 4 is arranged above the busbar adapter. The insulating base under the busbar adapter and the insulating base under the circuit breaker adapter are both plate-shaped, and their upper surfaces are matched with the bottom surface of the adapter installed on the insulating base.

The insulating base can adopt a detachable and assembleable structure; the insulating base is divided into an insulating base located under the busbar adapter and an insulating base located under the circuit breaker adapter. The insulating base located under the busbar adapter and the two insulating bases located under the circuit breaker adapter are assembled to form a whole. This structure is easy to disassemble and install, easy to carry and transport, and because it can form a whole, it will not Affect the insulation and other properties of the entire non-porous closed busbar system.

The insulating base can also adopt an integrally formed one-piece structure. The insulating base located under the busbar adapter and the two insulating bases located under the circuit breaker adapter are integrally formed during manufacture to ensure the insulation performance of the non-porous closed busbar system. Install the non-porous closed busbar system to the distribution It is also more convenient when in the electric cabinet.

First connect the two circuit breaker adapters to both sides of the busbar adapter respectively. When connecting, insert the copper piece of the circuit breaker adapter directly into the corresponding hole on the busbar adapter. Connect firmly. Then install the connected circuit breaker adapter and busbar adapter on the insulating base. If the insulating base is an assembled structure, first assemble the insulating base.

The busbar adapter can also adopt the form of three-phase integration, which can save resources. (Phase-splitting forms are mostly used in the prior art.)

The utility model also provides a circuit breaker adapter assembly, including a circuit breaker adapter, an insulating base arranged under the circuit breaker adapter, and a nut. The insulating base is fixedly provided with a metal column, and the upper part of the metal column is provided with a There is an external thread matched with the nut, and the metal post passes through the bottom of the circuit breaker adapter and is connected with the nut.

The utility model also provides a power distribution cabinet, including a cabinet body, a busbar system, a main power switch, a cable room and other components are arranged in the cabinet body, and a power distribution monitoring system is arranged on the front of the cabinet body, and the power distribution cabinet also includes cooling system. The busbar system is the above-mentioned non-porous closed busbar system; the heat dissipation system includes an air outlet arranged on the top surface of the cabinet, a heat dissipation air duct reserved in the cabinet, an air inlet arranged on the front and side of the cabinet, an air inlet arranged on the Fan at the air outlet.

The circuit breaker adapter is an integrated electrical connector that does not need to move the circuit wire and can be matched with the circuit breaker and the terminal. The shell part is made of flame-retardant, fire-proof and insulating V0 engineering plastics, and the conductive part is made of special copper material. It is processed by a special process, which is convenient for installation, maintenance and replacement of circuit breakers, and saves labor. It is used in 0.4KV power distribution system, easy to use, and simple in structure.

The busbar adapter is a transition part where electrical equipment is directly installed on the busbar system. It connects the busbar and the switching element. With the help of the busbar adapter, the switching element can be directly connected to the busbar. It is safe, reliable, convenient and quick to operate. The busbar is connected without punching, and the structure is fully enclosed. It has high working current and high protection level; modular design, simple wiring and small space occupation; easy component replacement and short assembly time. Flexible and changeable design can be carried out according to the needs, and the volume of the cabinet can be minimized. The characteristics of easy installation, easy maintenance, reliability, and compact structure of the busbar system can effectively reduce the cost of materials, manufacturing, and maintenance for customers, and at the same time enhance the image of customers.

The above are only preferred embodiments of the present utility model, and the scope of protection of the present utility model is not limited thereto. All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model are included in this utility model. within the scope of protection of utility models.

Claims (9)

1. an atresia closed busbar system, comprise adapter, it is characterized in that, described adapter comprises bus adaption device and is connected to the circuit breaker adapter of bus adaption device both sides, described atresia closed busbar system also comprises insulator foot and nut, and described insulator foot is connected to below adapter, and insulator foot is fixedly installed metal column, metal column top is provided with the external screw thread matched with nut, and described metal column is connected with nut after bottom adapter.

2. atresia closed busbar system according to claim 1, is characterized in that, described circuit breaker adapter has two, lays respectively at the both sides of bus adaption device.

3. atresia closed busbar system according to claim 1, is characterized in that, described insulator foot comprises the insulator foot be positioned at below bus adaption device and the insulator foot be positioned at below circuit breaker adapter.

4. atresia closed busbar system according to claim 3, is characterized in that, described insulator foot is dismantled and assembled and assemble type structure; Be positioned at the insulator foot below bus adaption device and be positioned at the insulator foot energy assembled formation entirety below circuit breaker adapter.

5. atresia closed busbar system according to claim 3, is characterized in that, described in be positioned at insulator foot below bus adaption device and be positioned at the integral structure that the insulator foot below circuit breaker adapter is formed in one.

6. atresia closed busbar system according to claim 1, is characterized in that, is provided with inlet wire protective cover above described bus adaption device.

7. atresia closed busbar system according to claim 1, is characterized in that, described bus adaption device comprises the structure adopting three-phase unification.

8. atresia closed busbar system according to claim 1, is characterized in that, described circuit breaker adapter is reclosing breaker adapter.

9. a circuit breaker adaptor assembly, it is characterized in that, comprise circuit breaker adapter, be arranged on insulator foot, nut below circuit breaker adapter, described insulator foot is fixedly installed metal column, metal column top is provided with the external screw thread matched with nut, and described metal column is connected with nut after bottom circuit breaker adapter.