CN110289529A - A plug-in power bus duct - Google Patents

Abstract

The invention discloses a plug-in type power supply busway. Several socket mounting holes are evenly distributed on the upper cover of the busway. There are U-shaped insert slots inside the protective sockets; U-shaped metal power supply inserts are fixed in the U-shaped insert slots of multiple protective sockets, and are arranged between the upper cover of the bus duct and the lower cover of the bus duct; The row power busway can be installed on the ground, wall or ceiling through the fixing base and fixing claws. The invention provides a plug-in type power supply bus duct, which has a compact structure and firm contact, and is convenient and quick to install and maintain, and is very suitable for modular indoor power supply requirements required by future modular home decoration and smart home.

Description

A plug-in power bus duct

technical field

The invention relates to the technical field of electric power transmission, and more specifically relates to a plug-in power supply bus duct.

Background technique

Busway is a closed metal device composed of copper and aluminum busbar columns, which is used to distribute large power to various components of the decentralized system. It has been increasingly replaced in indoor low-voltage power transmission main line projects. Wire and Cable. Since the busway uses copper bars or aluminum as conductors, the current capacity is large and the electrical and mechanical properties are good. In addition, the metal trough is used as the shell, so it has the advantages of large transmission load, flame retardancy, high safety and reliability, and long service life. , compared with the traditional power distribution device, its compact structure occupies a significantly reduced area, and it is easy to install and maintain, which is very beneficial for the construction of large buildings and power distribution in factories.

However, the existing busway can only be electrically connected to the external electrical equipment through the end joints to realize power transmission. This structure is not very convenient to use, which greatly restricts the application of the busway.

Therefore, how to provide a safe, reliable, simple in structure, convenient to use and quicker to install indoor plug-in power supply busway is a problem urgently needed to be solved by those skilled in the art.

Contents of the invention

In view of this, the present invention provides a plug-in power supply busway, which can use multiple protective sockets to electrically connect with external electrical equipment through plug-type power supply connecting lines to realize power transmission, faster installation and maintenance, and more convenient use.

In order to achieve the above object, the present invention adopts the following technical solutions:

A plug-in power supply bus duct, comprising: a bus duct upper cover, a bus duct lower cover, at least 2 U-shaped metal power supply inserts, 2 end protective sockets, several protective sockets and accessories; the bus duct The upper cover is evenly distributed with several socket mounting holes, the protective socket and the socket mounting holes are fixedly installed correspondingly, and the end protective sockets are clamped at both ends; the protective baffle and the return spring are clamped inside the protective socket; The inside of the protective socket is provided with U-shaped inserting strip slots, and the U-shaped metal power supply inserting strips are snapped and fixed in a plurality of the U-shaped inserting strips, and are arranged on the upper cover of the bus duct and the between the lower cover of the bus duct; the upper cover of the bus duct is clipped and fixed with the upper cover of the bus duct.

The invention discloses a plug-in type power supply busway. Several protective sockets are arranged on the upper cover of the busway. Both ends of the shell are provided with U-shaped insert slots, and the U-shaped metal power supply inserts are clamped in the U-shaped insert slots of the protective socket; the inside of the protective socket is provided with protective baffle slots, claws, The limit baffle and the spring top plate are used to clamp the protective baffle into the slot of the protective baffle, and the spring top plate and the spring top column are used to clamp the reset spring into the protective baffle, and the outer surface of the socket shell is pasted and covered with Dust-proof film; each protective socket can be connected with external electrical equipment through rigid connectors and plug-type power cables.

Preferably, the protection socket includes two end protection sockets arranged at the end and several protection sockets evenly arranged in the middle, the internal structure of the end protection socket is the same as that of the The internal structure of the above-mentioned protective socket is the same, only the upper end is in a blocked state.

Preferably, the distance between two adjacent protective sockets is not less than 10 cm, and the distance between the protective sockets and the end protective sockets is not less than 10 cm.

Preferably, both sides of the protection socket and the inside of the end protection socket are provided with plastic isolation brackets, and the plastic isolation brackets are clamped to support the U-shaped metal power strip, and are used to ensure that the U-shaped metal The creepage distance between the power strips (the creepage distance refers to the shortest distance or the sum of the shortest distances along the surface between the conductive parts that normally apply the operating voltage), to avoid the vibration caused by the U-shaped metal power strips during the power-on process Or short circuit due to misalignment.

Preferably, the number of U-shaped metal inserts is 2 or more; according to the number of U-shaped metal inserts, the number of socket sockets is correspondingly the same.

Preferably, a protective baffle and a return spring are arranged inside the protective socket, and the protective baffle is clamped in the slot of the protective baffle by claws and can slide left and right. The protective baffle includes: a protective baffle socket, Safety pin socket, spring top post, safety pin guide block and spring catch slot. The jack of the protective baffle matches the jack of the socket, the jack of the safety pin matches the hole of the safety pin, and the return spring is clamped in the spring slot of the protective baffle by the spring top column and the spring top plate. The safety pin guide block is adjacent to the limit baffle.

The safety pin guide block is arranged at the lower part of the side of the safety pin socket as a wedge-shaped structure, and its slope corresponds to the slope of the wedge-shaped structure at the end of the safety pin on the lower cover of the connecting line plug, and is in a transitional state. When the wire plug is inserted into the protective socket, the safety pin is guided by the safety pin guide block and can be first introduced into the safety pin socket and the protective baffle can be opened smoothly;

When the connecting line plug is not plugged into the protective socket, the safety pin is not introduced into the safety pin hole first, the protective baffle is not moved, the return spring is in a natural state, and the position of the protective baffle jack on the protective baffle and the socket jack is opposite to each other. Staggered, the protective baffle covers the socket jack, the metal connecting piece cannot pass through the socket jack and the protective baffle jack, and cannot be inserted into the U-shaped insert slot, so that the protective socket is in a closed protection state; when the connecting line plug needs to be inserted When the protective socket is connected, the safety pin is first introduced into the safety pin hole, and the safety pin pushes away the protective baffle, and the return spring is in a compressed state. The metal connecting piece of the connecting wire plug is inserted into the U-shaped inserting strip slot through the socket jack and the protective baffle jack, and then the grounding claw will be firmly clamped on the plug-in power bus slot; when the connecting wire plug is pulled out , the safety pin is pulled out, the return spring returns to its natural state, the protective baffle resets, the protective baffle blocks the socket jack, and the protective socket returns to the closed protection state at the same time;

Preferably, it also includes a fixed seat and each fixed seat is equipped with two fixed claws; the fixed seat is arranged at the bottom of the lower cover of the bus duct, and is fixedly engaged with the upper cover of the bus duct; the two fixed claws The claws are respectively slidably arranged in the limiting grooves on both sides of the bottom of the fixing seat. The fixing seat is fixed to the power bus duct, and the power bus duct is fixed to the ground, wall or ceiling through the fixing claws to keep the structure firm and stable.

Preferably, the fixing seat includes: a fixing part and a mounting part, and the installing part is arranged on both sides of the fixing part and is integrally connected with the fixing part; two locking blocks are arranged inside the mounting part, which are used for fixing the fixing seat and the upper cover of the bus duct. Fixed connection; the bottom of the fixed part is provided with 2 limit grooves, and the 2 fixed claws are correspondingly arranged in the limit grooves.

Preferably, the length of the plug-in power bus duct can be customized according to the needs of users.

Preferably, the plug-in power bus duct can be extended and topologically extended in the use space through connectors or plug-type power connection lines.

It can be known from the above-mentioned technical solutions that, compared with the prior art, the present invention discloses a plug-in power supply bus duct. It is fixed in the U-shaped strip installation groove of each protective socket, and multiple protective sockets can be electrically connected to external electrical equipment through plug-type power cables; on the other hand, they are fixed on the ground and On the wall or ceiling, it is convenient and quick to disassemble and reusable, which greatly saves the cost of users; on the other hand, its main components adopt all-metal shells, using plug-in installation methods, compact structure, firm contact, and good heat dissipation function; At the same time, the length of the plug-in power bus duct can be customized according to needs, and the unplugged protective socket is covered with a dust-proof film, which can be dust-proof and waterproof for a long time, which improves the safe use factor of the plug-in power bus duct, and has Good safety performance.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings on the premise of not paying creative efforts.

Figure 1 is a schematic diagram of the structure of the plug-in power supply bus duct provided by the present invention.

Figure 2 is a bottom view of the plug-in power supply busway provided by the present invention.

Fig. 3 is a schematic diagram of the structure of the upper cover of the busway provided by the present invention.

Figure 4 is a schematic structural view of the protective baffle provided by the present invention.

Fig. 5 is a schematic diagram of the structure of the protection socket provided by the present invention and the power strip.

Fig. 6 is a schematic diagram of the structure of the end protection socket provided by the present invention and the power strip.

Figure 7 is a schematic diagram of the internal structure of the protective socket provided by the present invention.

Fig. 8 is a schematic diagram of the structure of the fixing seat and the fixing claw provided by the present invention.

Figure 9 is a schematic diagram of the combination of the plug-in power bus duct and the rigid connector provided by the present invention.

The accompanying drawing in Fig. 10 shows the first application embodiment of the plug-in power supply bus duct provided by the present invention.

The accompanying drawing in Fig. 11 shows the second application embodiment of the plug-in power supply bus duct provided by the present invention.

Figure 12 is the third application embodiment of the plug-in power supply bus duct provided by the present invention.

Figure 13 is the fourth application embodiment of the plug-in power busway provided by the present invention.

Among them, the marks in the accompanying drawings represent:

1 is the upper cover of the bus duct, and 11 is the socket installation hole;

2 is a U-shaped metal power plug;

3 is the lower cover of the bus duct, 31 is the end protection socket, 32 is the protection socket, 321 is the socket shell, 320 is the socket jack, 322 is the safety pin hole, 323 is the positioning pin hole, 324 is the U-shaped insert slot , 325 is a protective baffle slot, 326 is a claw, 327 is a limit baffle, 328 is a spring top plate, 329 is a slot for an isolation bracket, and 33 is a return spring;

4 is a plastic isolation bracket;

5 is a fixed seat, 51 is a fixed part, 52 is a mounting part, 53 is a fixed claw, 511 is a limiting groove, and 521 is a locking block;

6 is a protective baffle, 621 is a protective baffle jack, 622 is a safety pin jack, 623 is a spring top post, 624 is a safety pin guide block, and 625 is a spring draw slot;

7 is a rigid connector;

8 is a flexible connector;

9 is a plug-type power connection line;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to accompanying drawings 1-8, the embodiment of the present invention discloses a plug-in power supply bus duct, including: bus duct upper cover 1, bus duct lower cover 3, at least 2 U-shaped metal power supply inserts 2, and 2 end Internal protective socket 31, several protective sockets 32 and accessories; the upper cover 1 of the bus duct has several socket mounting holes 11 evenly distributed, the protective socket 32 is fixedly installed corresponding to the socket mounting holes 11, and the two end protective sockets 31 are clipped At both ends; the inside of the protective socket 32 is provided with a U-shaped insert slot 324, and the U-shaped metal power supply insert 2 is fixed in the U-shaped insert slot 324 of a plurality of protective sockets 32 and mounted on the upper cover of the bus duct 1 and the lower cover 3 of the bus duct. The protective socket 32 comprises: a plurality of socket jacks 320, a safety pin hole 322 and a positioning pin hole 323 are arranged on the socket shell 321, and U-shaped inserting strip slots 324 are arranged at both ends of the protective socket 32, and the protective socket 32 inside also has The protective baffle 5 and the return spring 33 are clamped; each protective socket 32 can be connected to external electrical equipment through a rigid connector 7 and a plug-type power connection line 7 .

The safety pin hole 322 is corresponding to the safety pin on the plug of the connecting wire, which acts as a guide to open when plugging in, and is used for safety protection purposes;

The locating pin hole 323 corresponds to the locating pin on the plug of the plug-type power supply connection line, and is used to prevent misoperation between different types of plug-in power supply bus ducts and different types of plug-type power supply connection lines;

The inside of the protective socket 32 is provided with a protective baffle slot 325, a claw 326, a limit baffle 327 and a spring top plate 328, and the protective baffle slot 325 and the claw 326 are used for clamping the protective baffle 6;

The inside of the protective socket 32 is also provided with a protective baffle 6 and a return spring 33, and the protective baffle 6 is provided with a protective baffle jack 621, a safety pin jack 622, a spring top post 623, a safety pin guide block 624 and a spring draw groove 625 , The spring top plate 328 and the spring top post 623 clamp the return spring 33 in the spring clamping groove 625 . The safety pin guide block 624 is a wedge-shaped structure, and its slope corresponds to the slope of the wedge-shaped structure at the end of the safety pin on the lower cover of the connecting wire plug, and is in a transitional state. When the connecting wire plug is inserted into the protective socket 32, the safety pin will Guided by the safety pin guide block 624, it can be first introduced into the safety pin jack 622 and the protective baffle 6 can be opened smoothly;

When the connecting line plug was not plugged into the protective socket 32, the safety pin was not introduced into the safety pin hole 320 in advance, the protective baffle 6 was not moved, the return spring 33 was in a natural state, and the protective baffle jack 621 on the protective baffle 6 The position of the socket jack 320 is staggered with each other, the protective baffle 6 blocks the socket jack 320, the metal connecting piece cannot pass through the socket jack 320 and the protective baffle jack 621, and cannot be inserted into the U-shaped metal power strip 2 slot, Make the protective socket 32 be in the closed protection state; After sliding, the protective baffle jack 621 on the protective baffle 6 coincides with the socket jack 320 correspondingly, so that the metal connecting piece of the connecting wire plug is inserted into the U-shaped metal power supply plug 2 through the socket jack 320 and the protective baffle jack 621. In the slot, the grounding claw will be firmly clamped on the plug-in power bus slot; when the plug of the connecting line is pulled out, the safety pin will be pulled out, the return spring 33 will return to its natural state, and the protective baffle 6 will be reset to protect the The baffle plate 6 blocks the socket jack 320, and the protective socket 32 returns to the closed protection state at the same time; and the outer side of the top of the protective socket 32 is covered with a dust-proof film, which can prevent dust and prevent moisture from entering the power bus duct to ensure its safety use. Both sides of the protective socket 32 and the inside of the protective socket 31 at the end are provided with plastic isolation brackets 4, and the plastic isolation brackets 4 support and isolate the U-shaped metal power strips 2 to ensure the creepage distance between the U-shaped metal power strips 2. , to avoid the short circuit of the U-shaped metal power strip 2 due to vibration or misalignment during the power-on process.

Wherein, the distance between adjacent protective sockets 32 is not less than 10 cm; the distance between the protective sockets 32 and the end protective sockets 31 is not less than 10 cm. Not only can the safe distance of each protective socket 32 be guaranteed to avoid potential safety hazards, but the distance can also be set according to the needs of customers.

The number of U-shaped metal power supply inserts 2 can be two or several, and the number of U-shaped insert slots 324 of the protective socket 32 is correspondingly set to meet different requirements.

In order to realize the fixation of the plug-in type power supply busway, it also includes a fixing seat 5 and two fixing claws 53; the fixing seat 5 is arranged on the bottom of the lower cover 3 of the busway, and is clamped and fixed with the upper cover 1 of the busway; the two fixing claws 53 are respectively slidably disposed in the limiting grooves 511 on both sides of the bottom of the fixing base 5 .

The fixing seat 5 includes: a fixing part 51 and a mounting part 52. The mounting part 52 is arranged on both sides of the fixing part 51 and integrally connected with the fixing part 51; It is clamped and fixed with the upper cover 1 of the busway; the bottom of the fixing part 51 is provided with two limiting grooves 511, and the two fixing claws 53 are correspondingly arranged in the limiting grooves 511. After the fixing seat 5 is fixed with the plug-in power bus duct, the plug-in power bus duct is fixed on the ground, wall or ceiling by the fixing claw 53, so as to keep the structure stable and the installation firm.

The length setting of the plug-in power busway can be customized according to the needs of users.

The assembly process of the plug-in power bus duct is as follows:

(1) Put the upper cover 1 of the bus duct flat on the operating table, and install the end protection socket 31 at both ends;

(2) Install 2 or several U-shaped metal power supply inserts 2 connected in series with protective sockets 32 into the upper cover 1 of the bus duct with an integral upside-down buckle. In the U-shaped insert slot 324;

(3) Insert the protective sockets 32 into the socket installation holes 11 of the upper cover 1 of the busway one by one by sliding left and right;

(4) A plastic isolating bracket 4 is mounted on the U-shaped metal power supply inserts on both sides of each protective socket 32, and a plastic isolation bracket 4 is also clamped on the U-shaped metal power supply inserts extending into the end protection socket 31. The isolation bracket 4, the two ends of the plastic isolation bracket 4 are embedded in the isolation bracket slot 329;

(5) Fasten the upper cover 1 of the bus duct and the lower cover 3 of the bus duct and make them fixedly connected into one;

(6) Install the fixed claw 53 and the fixed seat 5;

(7) Carry out short circuit test and withstand voltage test, and the assembly is completed

The plug-in power supply bus duct forms an indoor power supply system through a rigid connector 7, a plug-type power supply connection line 9, or a combination of a rigid connector 7 and a flexible connector 8. Heat dissipation function, all plug-in assembly, high installation efficiency, very convenient use and maintenance, can effectively guarantee electricity safety and fire safety, and can effectively prevent fire, dust and rodents.

Referring to Figure 10, multiple plug-in power bus ducts are electrically connected through rigid connectors 7, which can realize the extension of the plug-in power bus duct in the linear direction, and a large number of plug-in power bus ducts can be inserted in the straight direction through the plug-type power supply connecting line 9. Electrical equipment.

Referring to Figure 11, a plurality of plug-in power bus ducts are electrically connected through the combination of rigid connector 7 and flexible connector 8, which can realize the parallel arrangement of plug-in power bus ducts or the extension of the curved direction, and meet the needs of users in different spaces. electricity demand.

Referring to Figure 12, the protective socket 32 and the end protective socket 31 of the plug-in power bus duct can be plugged in through the plug-type power supply connecting line 9, and one plug-in power bus duct can be used for multiple power consumption. The equipment can be used in a wide range to meet the needs of users in different power usage scenarios.

Referring to Fig. 13, a plurality of plug-in power supply bus ducts can be electrically connected through the plug-type power supply connecting line 9, which can not only realize the parallel arrangement of the plug-in power supply bus ducts, but also realize the extension in the straight line direction and the curved direction. Meet the needs of users in different power usage scenarios.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the related information, please refer to the description of the method part.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A plug-in power supply bus duct, characterized in that it includes: a bus duct upper cover (1), at least 2 U-shaped metal power supply inserts (2), a bus duct lower cover (3), and 2 ends Protective socket (31), several protective sockets (32) and accessories; The upper cover (1) of the busway and the lower cover (3) of the busway are clamped and fixed; the upper cover (1) of the busway is evenly distributed with several socket installation holes (11), and the end protection socket (31 ) are clamped at both ends, and the protective socket (32) is fixedly installed corresponding to the socket mounting hole (11); The protective socket (32) includes: multiple socket jacks (320), a safety pin hole (322) and a positioning pin hole (323) on the socket shell (321), the two ends of the protective socket (32) Both are provided with a U-shaped insert slot (324); the inside of the protective socket (32) is fitted with a protective baffle (5) and a return spring (33); The U-shaped metal power supply insert (2) is clamped in a plurality of the U-shaped insert slots (324) of the protective socket (32), and is arranged on the upper cover (1) and the upper cover (1) of the bus duct. between the lower covers (3) of the bus duct. 2. A plug-in power bus duct according to claim 1, characterized in that it includes two end protection sockets (31) arranged at both ends and several protection sockets (32) evenly arranged in the middle ; The end protective socket (31) has the same internal structure as the internal structure of the protective socket (32) except that the isolation bracket slot (329) is provided, and only the upper end is in a blocked state. 3. A plug-in power supply busway according to claim 2, characterized in that the distance between two adjacent protective sockets (32) cannot be less than 10 cm, and the protective socket (32) and the The distance setting between end protection sockets (31) also can not be less than 10cm. 4. A plug-in type power supply busway according to claim 3, characterized in that, both sides of the protective socket (32) and the inside of the end protective socket (31) are provided with plastic isolation brackets ( 4), the plastic isolation bracket (4) fixedly supports the U-shaped metal power strips (2), and is used to ensure the creepage distance between the U-shaped metal power strips (2). 5. A plug-in power supply bus duct according to claim 4, characterized in that, the inside of the protective socket (32) is provided with a protective baffle slot (325), a claw (326), and a limit stop plate (327) and spring top plate (328), the protective baffle (6) is clamped in the slot (325) of the protective baffle by the claw (326) and can slide left and right, the return spring (33) is clamped in the spring slot (625) of the protective baffle (6) by the spring top plate (328) and the spring top column (623), and the socket housing (321) The outer surface is pasted and covered with a dust-proof film. The protective baffle (6) includes: a protective baffle receptacle (621), a safety pin receptacle (622), a spring top post (623), a safety pin guide block (624) and a spring clamping slot (625). 6. A plug-in power busway according to any one of claims 1-6, characterized in that it also includes a fixing seat (5) and a fixing claw (53); the fixing seat (5) is arranged on The bottom of the lower cover (3) of the bus duct, and is fixedly clamped with the upper cover (1) of the bus duct; the two fixed claws (53) are slidably arranged on the two bottoms of the fixed seat (5) respectively. Inside the side limit slot (511). 7. A plug-in power supply bus duct according to claim 7, characterized in that, the fixing base (5) comprises: a fixing part (51) and a mounting part (52), and the mounting part (52) It is arranged on both sides of the fixing part (51) and integrally connected with the fixing part (51); the inside of the installation part (52) is provided with two locking blocks (521) for the fixing seat ( 5) Fastened and fixed with the upper cover (1) of the busway; the bottom of the fixed part (51) is provided with 2 limit grooves (511), and the 2 fixed claws (53) are correspondingly arranged on the Inside the limit slot (511). 8. A plug-in power bus duct according to claim 8, characterized in that the length of the plug-in power bus duct can be set according to actual conditions.