CN216162043U

CN216162043U - Power distribution unit with replaceable circuit breaker

Info

Publication number: CN216162043U
Application number: CN202122164241.8U
Authority: CN
Inventors: 杨瑞; 张瑞杰; 苏晓鹏; 翟小芳
Original assignee: Tianjin Yunshuzhiwei Technology Service Co ltd
Current assignee: Tianjin Yunshuzhiwei Technology Service Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-01
Anticipated expiration: 2031-09-08

Abstract

The utility model provides a power distribution unit with a replaceable circuit breaker, which is characterized by comprising a first shell, a second shell, a mounting and connecting structure and a top sealing structure, wherein a second module is arranged on the left side of the first shell; the breaker main body is connected with the distribution module through a lead; the right side of the second shell is provided with a mounting and connecting structure; the top of the second shell is provided with a top sealing structure; through the design, the purposes of replacing and maintaining the main body of the circuit breaker conveniently and quickly are achieved, the circuit breaker can be exposed to the outside only through two steps of operation, the integral disassembly of the circuit breaker is avoided, meanwhile, the circuit breaker does not directly contact with the distribution module in the disassembly process, the distribution module is effectively protected, and the reduction of the service life and the economic loss are avoided.

Description

Power distribution unit with replaceable circuit breaker

Technical Field

The utility model relates to the technical field of power distribution units, in particular to a power distribution unit with a replaceable circuit breaker.

Background

The power distribution unit, abbreviated as PDU in the international, is a commonly-known power distribution socket for a cabinet as the name implies, the PDU is a product designed for providing power distribution for the electrical equipment installed in the cabinet, has various series specifications of different functions, installation modes and different plug position combinations, can provide a proper rack-mounted power distribution solution for different power environments, and is applied to the PDU, the distribution of the power supply in the cabinet is more orderly, reliable, safe, professional and beautiful, and the maintenance of the power supply in the cabinet is more convenient and reliable, most of the power supply distribution power supplies in the prior art are that the distribution module is wrapped by the shell and is connected with the main power supply, so that the distribution of the power supply can be realized, the circuit breakers are also arranged in the individual power distribution units, so that the situation that the circuit is short-circuited and the whole body is burnt due to overheating is avoided, and the safety is greatly improved;

at present, when the power distribution unit with the circuit breaker in the prior art is in short circuit or the connected equipment is overloaded due to excessive power, the main circuit can be quickly disconnected, the risk of overheating and burning of the power distribution unit due to the above situations is prevented, and the occurrence of an electric fire is avoided to a great extent, but the circuit breaker is installed inside the housing in an integrated installation mode when the power distribution unit in the prior art is installed, and the situation of power short circuit or equipment power overload in a factory often occurs, so that the circuit breaker can be damaged to a certain extent when the circuit breaker is disconnected every time, the service life is gradually reduced, and therefore, the circuit breaker inside the power distribution unit needs to be regularly maintained and replaced to ensure that the circuit breaker can constantly keep a normal working state, but because of the integrated installation structure of the circuit breaker and the power distribution in the prior art, when maintaining and changing the circuit breaker, only can take the shell of power distribution power wholly apart, just can change the circuit breaker, frequent dismantlement not only can make the screw that the shell is connected more and more not hard up, simultaneously, very easily damage the precision component of power distribution module at the in-process of dismantling, lead to the whole of power distribution unit impaired, reduce the life of power distribution unit, produce certain economic loss.

SUMMERY OF THE UTILITY MODEL

According to the technical problem, the utility model provides a power distribution unit with a replaceable circuit breaker, which is characterized by comprising a first shell, a distribution module, a second shell, a circuit breaker main body, a mounting and connecting structure and a top sealing structure, wherein the second module is arranged on the left side of the first shell; a distribution module is arranged in the first shell; a circuit breaker main body is arranged in the second shell; the breaker main body is connected with the distribution module through a lead; the right side of the second shell is provided with a mounting and connecting structure; the top of the second shell is provided with a top sealing structure;

the mounting and connecting structure consists of an extension plate, a pressing plate, a sliding block and a clamping block, and the extension plates are respectively mounted at the right ends of the front side wall and the rear side wall of the second shell; the two extension plates and the second shell are of an integrally formed structure; the top and the bottom of the extension plate are respectively welded with a sliding block; the left end of the front right side wall of the first shell is respectively provided with a slot; the top and the bottom of the slot are respectively provided with a sliding chute; the two sliding chutes are respectively connected with the two sliding blocks in a sliding manner; a pressing groove is formed in the extension plate; the left side wall of the pressing groove is welded with a pressing plate; the back of the pressing plate is welded with a clamping block; positioning holes are respectively formed in the front side wall and the rear side wall of the first shell; the positioning hole is matched with the clamping block for use;

the top sealing structure consists of a sealing cover, a rotating bracket, a visible cover, a locking block and a convex block; the top of the second shell is provided with a sealing cover; the bottom of the sealing cover is welded with a locking block; the locking block is of an L-shaped structure; the number of the locking blocks is four; the top of the locking block is welded with a convex block; locking grooves are symmetrically formed in the tops of the first shell and the second shell respectively; the number of the locking grooves is the same as that of the locking blocks; the locking groove is matched with the locking block for use; a groove is formed in the top of the inner part of the locking groove; the lug is matched and locked with the groove; the top of the sealing cover is welded with a rotating bracket; the rotating bracket is rotatably connected with a visible cover; the visual cover is made of transparent acrylic materials.

The utility model has the beneficial effects that:

when the breaker main body needs to be replaced, the sealing cover is pushed to the left side, the sealing cover drives the locking block to slide the convex block out of the groove in the locking groove, the locking groove releases the locking of the locking block, the sealing cover can be lifted upwards, the locking block is pulled out of the locking groove, the connecting effect of the sealing cover on the first shell and the second shell can be released, then a worker can press the pressing plates on the two sides, when the two pressing plates are relatively extruded, the clamping block is driven to move to the outer side of the positioning hole, the limiting effect of the positioning hole on the clamping block is released, so that the extension plate can be pulled out from the inside of the slot along the directions of the sliding groove and the sliding block, and the first shell and the second shell are separated, the breaker main body can be exposed, and workers can directly and quickly disassemble the breaker, and the breaker can be exposed outside only by two steps of operation in the mode, so that the integral disassembly of the breaker is avoided, and meanwhile, the breaker does not directly contact with the distribution module in the disassembly process, the distribution module is effectively protected, and the reduction of the service life and the economic loss are avoided;

in addition, the staff can realize the on-off control of the circuit breaker by opening the visual cover, the material of the visual cover is made of acrylic material, and the staff can observe the on-off state of the circuit breaker constantly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention with the closure removed;

FIG. 3 is a schematic view of the appearance of the closure of the present invention;

FIG. 4 is an exploded view of the first and second housings of the present invention;

FIG. 5 is a schematic cross-sectional view of the internal connection of the ensemble of the present invention;

fig. 6 is an enlarged view of portion a of fig. 5 according to the present invention.

As shown in the figure: 1-first housing, 11-distribution module, 2-second housing, 3-extension plate, 31-slot, 32-pressing groove, 33-pressing plate, 34-sliding block, 35-sliding groove, 36-positioning hole, 37-clamping block, 4-breaker main body, 5-sealing cover, 51-rotating bracket, 52-visual cover, 53-locking block, 54-lug and 55-locking groove.

Detailed Description

Example 1

The utility model provides a power distribution unit with a replaceable circuit breaker, which is characterized by comprising a first shell 1, a distribution module 11, a second shell 2, a circuit breaker main body 4, a mounting and connecting structure and a top sealing structure, wherein the left side of the first shell 1 is provided with the second module; a distribution module 11 is installed inside the first housing 1; a circuit breaker main body 4 is installed inside the second housing 2; the breaker main body 4 and the distribution module 11 are connected through a wire; the right side of the second shell 2 is provided with a mounting and connecting structure; the top of the second shell 2 is provided with a top sealing structure;

the mounting and connecting structure consists of an extension plate 3, a pressing plate 33, a sliding block 34 and a clamping block 37, and the extension plates 3 are respectively mounted at the right ends of the front side wall and the rear side wall of the second shell 2; the two extension plates 3 and the second shell 2 are of an integrally formed structure; the top and bottom of the extension plate 3 are respectively welded with a sliding block 34; the left end of the front right side wall of the first shell 1 is respectively provided with a slot 31; the top and the bottom of the slot 31 are respectively provided with a sliding groove; the two sliding grooves are respectively connected with the two sliding blocks 34 in a sliding manner; a pressing groove 32 is formed in the extension plate 3; a pressing plate 33 is welded on the left side wall of the pressing groove 32; a fixture block 37 is welded on the back of the pressing plate 33; the front and rear side walls of the first shell 1 are respectively provided with a positioning hole 36; the positioning hole 36 is matched with the clamping block 37;

the top sealing structure consists of a sealing cover 5, a rotating bracket 51, a visible cover 52, a locking block 53 and a convex block 54; the top of the second shell 2 is provided with a sealing cover 5; the bottom of the sealing cover 5 is welded with a locking block 53; the locking block 53 is of an L-shaped structure; the number of the locking blocks 53 is four; the top of the locking block 53 is welded with a lug 54; the top parts of the first shell 1 and the second shell 2 are respectively symmetrically provided with a locking groove 55; the number of the locking grooves 55 is the same as that of the locking blocks 53; the locking groove 55 is matched with the locking block 53 for use; the top inside the locking groove 55 is provided with a groove; the projection 54 is matched and locked with the groove; a rotating bracket 51 is welded on the top of the cover 5; the rotating bracket 51 is rotatably connected with a visible cover 52; the viewing cover 52 is made of transparent acrylic material.

Example 2

When the circuit breaker main body 4 needs to be replaced, the sealing cover 5 is pushed to the left side, the sealing cover 5 drives the locking block 53 to slide the projection 54 out of the groove in the locking groove 55, the locking groove 55 releases the locking of the locking block 53, the sealing cover 5 can be lifted upwards, the locking block 53 is pulled out from the locking groove 55, at the moment, the connection effect of the sealing cover 5 on the first shell 1 and the second shell 2 can also be released, then, a worker can press the pressing plates 33 on two sides, when the two pressing plates 33 are pressed relatively, the clamping block 37 is driven to move to the outer side of the positioning hole 36, at the moment, the positioning hole 36 releases the limiting effect on the clamping block 37, so that the extension plate 3 can be pulled out from the inside of the slot 31 along the directions of the sliding groove and the sliding block 34, the first shell 1 is separated from the second shell 2, and at the moment, the circuit breaker main body 4 can be exposed, workers can directly and quickly disassemble the circuit breaker;

after the circuit breaker and the main body are replaced, the extension plate 3 on the second shell 2 is inserted into the slot 31 of the first shell 1 along the direction of the sliding chute sliding block 34 until the clamping block 37 arranged on the pressing plate 33 moves to the positioning hole 36 and is positioned through the positioning hole 36, the primary installation of the first shell 1 and the second shell 2 can be completed, then, a worker can insert the locking block 53 at the bottom of the sealing cover 5 into the locking groove 55 to push the whole sealing cover 5 to the right, so that the bump 54 is clamped into the groove formed in the locking groove 55, and meanwhile, the worker can open the visible cover 52 to realize the opening and closing of the circuit breaker.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A power distribution unit with a replaceable circuit breaker is characterized by comprising a first shell, a distribution module, a second shell, a circuit breaker main body, a mounting and connecting structure and a top sealing structure, wherein the second module is arranged on the left side of the first shell; a distribution module is arranged in the first shell; a circuit breaker main body is arranged in the second shell; the breaker main body is connected with the distribution module through a lead; the right side of the second shell is provided with a mounting and connecting structure; the top of the second shell is provided with a top sealing structure;

the mounting and connecting structure consists of an extension plate, a pressing plate, a sliding block and a clamping block, and the extension plates are respectively mounted at the right ends of the front side wall and the rear side wall of the second shell; the top and the bottom of the extension plate are respectively welded with a sliding block; the left end of the front right side wall of the first shell is respectively provided with a slot; the top and the bottom of the slot are respectively provided with a sliding chute; a pressing groove is formed in the extension plate; the left side wall of the pressing groove is welded with a pressing plate; the back of the pressing plate is welded with a clamping block; positioning holes are respectively formed in the front side wall and the rear side wall of the first shell;

the top sealing structure consists of a sealing cover, a rotating bracket, a visible cover, a locking block and a convex block; the top of the second shell is provided with a sealing cover; the bottom of the sealing cover is welded with a locking block; the number of the locking blocks is four; the top of the locking block is welded with a convex block; locking grooves are symmetrically formed in the tops of the first shell and the second shell respectively; the number of the locking grooves is the same as that of the locking blocks; a groove is formed in the top of the inner part of the locking groove; the lug is matched and locked with the groove; the top of the sealing cover is welded with a rotating bracket; the rotating support is rotatably connected with a visual cover.

2. A power distribution unit with replaceable circuit breakers according to claim 1, characterized in that said two runners are slidably connected to said two sliders, respectively.

3. A power distribution unit having a replaceable circuit breaker as claimed in claim 1, wherein the two said extension plates are of integral construction with the second housing.

4. The power distribution unit with replaceable circuit breakers of claim 1 wherein said alignment holes cooperate with said latch.

5. A power distribution unit having a replaceable circuit breaker as recited in claim 1, wherein said latch is of L-shaped configuration.

6. A power distribution unit having a replaceable circuit breaker as claimed in claim 1, wherein said locking slot cooperates with a locking block.

7. The power distribution unit with replaceable circuit breakers of claim 1, wherein said vision cover is a transparent acrylic material.