CN220673126U

CN220673126U - Power distribution cabinet

Info

Publication number: CN220673126U
Application number: CN202321819598.8U
Authority: CN
Inventors: 王颂博; 曹乃锋; 薄丽丽; 王栋梁; 杨大鹏
Original assignee: China Aviation Lithium Battery Co Ltd
Current assignee: China Aviation Lithium Battery Co Ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-03-26
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a power distribution cabinet, which comprises: the power distribution cabinet comprises a cabinet body, an uninterruptible power supply, a battery and a plurality of power distribution modules, wherein an accommodating space is formed in the cabinet body, and comprises an uninterruptible power supply chamber, a power distribution chamber and a wiring chamber; the uninterruptible power supply chamber is positioned at the top of the cabinet body in a first direction, the power distribution chamber and the wiring chamber are arranged in parallel in the same layer along a second direction, and are positioned at the bottom of the cabinet body in the first direction, wherein the first direction is the arrangement direction from the top to the bottom of the cabinet body, and the second direction is perpendicular to the first direction; the uninterruptible power supply and the battery are positioned in the uninterruptible power supply room, and the plurality of power distribution modules are arranged in the power distribution room along the first direction; each distribution module comprises a distribution box, and a breaker is arranged in each distribution box. The circuit breakers are assembled in the corresponding distribution boxes respectively, the circuit breakers are mounted on the cabinet body relative to the direct guide rails, the physical protection performance of the circuit breakers is better, personnel cannot touch the circuit breakers in the distribution boxes easily, and the safety is high.

Description

Power distribution cabinet

Technical Field

The utility model relates to the technical field of power distribution equipment, in particular to a power distribution cabinet.

Background

At present, the mainstream switch board is mostly through the direct circuit breaker of installing on the cabinet body of guide rail, and spatial layout is unreasonable, and the circuit breaker is touched by personnel easily, and the security is low.

Disclosure of Invention

The utility model discloses a power distribution cabinet, which is capable of avoiding personnel from directly contacting a circuit breaker and improving safety.

A power distribution cabinet comprising: the power distribution cabinet comprises a cabinet body, an uninterruptible power supply, a battery and a plurality of power distribution modules, wherein an accommodating space is formed in the cabinet body, and the accommodating space comprises an uninterruptible power supply chamber, a power distribution chamber and a wiring chamber; the uninterruptible power supply chamber is positioned at the top of the cabinet body in a first direction, the power distribution chamber and the wiring chamber are arranged in parallel on the same layer along a second direction, the uninterruptible power supply chamber is positioned at the bottom of the cabinet body in the first direction, the first direction is the arrangement direction from the top to the bottom of the cabinet body, and the second direction is perpendicular to the first direction; the uninterruptible power supply and the battery are positioned in the uninterruptible power supply room, and a plurality of power distribution modules are arranged in the power distribution room along the first direction; each power distribution module comprises a power distribution box, and a breaker is arranged in each power distribution box. Above, the relative positional relationship between uninterrupted power source room, switch board room and the wiring room is favorable to the accommodation space of make full use of cabinet body, and uninterrupted power source room has sufficient width and is convenient for hold uninterrupted power source and battery down, and the switch board room can hold a plurality of distribution modules that stack in first direction, and the wiring room is located the lower position of cabinet body, and the wiring simple operation just is favorable to make full use of uninterrupted power source room and the width difference of switch board room on the second direction. The circuit breakers are assembled in the corresponding distribution boxes respectively, the circuit breakers are mounted on the cabinet body relative to the direct guide rails, the physical protection performance of the circuit breakers is better, personnel cannot touch the circuit breakers in the distribution boxes easily, and the safety is high.

Optionally, the circuit breaker is arranged close to the front panel, and an operating handle of the circuit breaker is installed on the front panel of the corresponding distribution box and is exposed out of the front panel; the electrical components and wires electrically connected with the circuit breaker are located inside the distribution box and on the side of the circuit breaker facing away from the front panel.

Optionally, the power distribution module further includes a mounting plate detachably mounted on the front panel of the power distribution box through bolts.

Optionally, each of the two ends of the distribution box in the second direction is provided with a first hanging lug respectively, and each first hanging lug is detachably connected with the longitudinal beam on the corresponding side in the cabinet body through a bolt.

Optionally, the panel of the distribution box, which is close to the wiring room, is provided with an external wire inlet and outlet through-wall terminal.

Optionally, a first transverse through beam is arranged in the middle of the uninterruptible power supply chamber, the uninterruptible power supply is located at the top of the battery and is arranged on the first transverse through beam, second hanging lugs are arranged at two ends of the uninterruptible power supply in the second direction, and the second hanging lugs are connected with longitudinal beams on corresponding sides in the cabinet body through bolts.

Optionally, the uninterruptible power supply chamber further has a second transverse through beam located in a first direction of the first transverse through beam; the battery is arranged in the second transverse through type cross beam, the bottom of the battery is fixed with the second transverse through type cross beam through a fixing support, a clamp is sleeved on the top of the battery, and the battery is detachably mounted with the first transverse through type cross beam through the clamp.

Optionally, a breaker in one of the distribution boxes is a mains supply entering total breaker; the rest of the distribution boxes are internally provided with three paths of direct commercial power branches, uninterruptible power branches and bypass uninterruptible power branches for switching, and are provided with a plurality of paths of AC220V, a plurality of paths of DC24V, socket branches, AC/DC, a communication switch, a communication conversion machine and an intermediate relay, wherein the intermediate relay is used for controlling different loads respectively.

Optionally, a wire binding hole, a wire slot and a terminal strip are arranged in the wiring chamber; the terminal rows are arranged at the bottom ends of the side plates of the wiring chamber far away from the distribution chamber in a concentrated manner and extend along the first direction; the wire slots comprise transverse wire slots which are arranged on the rear backboard of the wiring chamber and extend along the second direction, and longitudinal wire slots which are arranged on the wiring chamber, far away from the side plates of the distribution chamber and extend along the first direction, and wire bundles of wire inlet and outlet wires of each distribution box are connected to corresponding terminal rows along the corresponding transverse wire slots and the longitudinal wire slots.

Optionally, the side plate of wiring room keeping away from the block terminal room is equipped with along first direction extension and the adjacent first guide rail and the second guide rail that set up, the longitudinal wire casing is fixed in first guide rail, the terminal row is fixed in the second guide rail.

Drawings

Fig. 1 is a front view of a power distribution cabinet provided in an embodiment of the present application;

fig. 2 is a schematic view of the internal structure of the power distribution cabinet shown in fig. 1 after the cabinet door 2 is opened;

FIG. 3 is a schematic diagram of a functional partition of the structure shown in FIG. 2;

fig. 4 is a schematic view of the structure of fig. 2, in which a cover 201 is added to the wiring chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a power distribution cabinet provided in an embodiment of the present application includes: the cabinet comprises a cabinet body 1, an uninterruptible power supply 12 (for supplying power for emergency power failure of commercial power), a battery 11 and a plurality of power distribution modules, wherein the battery 11 is used for supplying power for the uninterruptible power supply 12, an accommodating space is formed in the cabinet body 1, the cabinet body 1 can be a cuboid, one side surface of the cabinet body 1 is not covered by a side plate to form a placing window of the accommodating space, a cabinet door 2 hinged to the cabinet body 1 is arranged on the side surface, when various module lines in the accommodating space are required to be maintained, the cabinet door 2 can be opened, and the accommodating space comprises an uninterruptible power supply chamber K3, a power distribution chamber K1 and a wiring chamber K2; the uninterruptible power supply chamber K3 is positioned at the top of the cabinet body 1 in a first direction (reference y-axis negative direction), the power distribution chamber K1 and the wiring chamber K2 are arranged side by side in the same layer along a second direction (reference x-axis positive direction), and are positioned at the bottom of the cabinet body in the first direction (reference y-axis negative direction), the first direction (reference y-axis negative direction) is the arrangement direction from the top to the bottom of the cabinet body 1, and the second direction (reference x-axis positive direction) is perpendicular to the first direction (reference y-axis negative direction); the ups 12 and the battery 11 are located in the ups room K3, and hereinafter, a plurality of power distribution modules are exemplified by three power distribution modules in the drawing, which are not limited to three power distribution modules, but are arranged in the power distribution room K1 along a first direction (referring to a negative y-axis direction), and related components are respectively installed in the plurality of power distribution boxes by classifying power distribution branches according to a functional partition, a wiring nearest principle and an in-phase load nearest principle; each distribution module comprises a distribution box, a breaker is arranged in each distribution box, and taking a distribution module C as an example, the distribution module C comprises a distribution box 30, and a front panel 301 is arranged on the surface of an opening of the distribution box 30 facing the cabinet door 2. All (miniature) circuit breakers are respectively assembled in corresponding distribution boxes according to the functional classification, for example, the circuit breakers 311 are assembled in the distribution boxes 30, the distribution boxes 30 are integrated to the greatest extent relative to the fact that the circuit breakers are directly installed on the cabinet body 1 through guide rails, the physical protection performance of the circuit breakers is better, personnel cannot touch the circuit breakers in the distribution boxes easily, physical isolation is effectively achieved, electric shock risks can be reduced, and safety is high. Similar structure and effects are also provided for power distribution module a and power distribution module B.

Above, the relative positional relationship between uninterrupted power source room K3, distribution room K1 and wiring room K2 is favorable to make full use of cabinet body 1's accommodation space, uninterrupted power source room K3 has enough width and is convenient for hold uninterrupted power source 12 and battery 11 down, distribution room K1 can hold a plurality of distribution modules that stack in first direction (consult y axis negative direction), wiring room K2 is located cabinet body 1's lower position, the wiring simple operation, and be favorable to make full use of uninterrupted power source room K3 and distribution room K1's width difference in the second direction (consult x axis positive direction), above spatial layout has fully utilized cabinet body 1's accommodation space when guaranteeing each subregion function.

In a specific embodiment, taking the power distribution module C as an example, the circuit breaker 311 is disposed proximate to the front panel 31, and the operating handle of the circuit breaker 311 is mounted on the front panel 31 of the corresponding power distribution box 30 and exposed to the front panel 31, so that a user can operate the circuit breaker without opening the power distribution box 30; the electrical components and wires electrically connected with the circuit breaker 311 are located inside the distribution box 30 and located on one side of the circuit breaker 311 away from the front panel 31, so that the distribution box 30 is reasonably arranged in space, wiring is reduced, the circuit breaker 311 can be directly attached to the front panel 31, and an operating handle is exposed out of the front panel 31. The guide rail, the electrical components and the wires are all arranged inside the distribution box 30, so that the space can be greatly saved, and the wiring path can be saved.

In a specific embodiment, the power distribution module further includes a mounting plate, taking the power distribution module C as an example, where the mounting plate 3111 is detachably mounted on the front panel 31 of the power distribution box 30 through bolts, so as to facilitate detachment and maintenance, and facilitate replacement and overhaul of components.

In a specific embodiment, two ends of each distribution box (reference may be made to the distribution box 30) in the second direction (reference x-axis positive direction) are respectively provided with a first hanging ear 301, and each first hanging ear 301 is detachably connected with a longitudinal beam on the corresponding side in the cabinet body 1 through a bolt, so that the assembly, disassembly and maintenance of the individual distribution boxes are facilitated.

In a specific embodiment, the panel of the distribution box close to the wiring room K2 is provided with an external incoming and outgoing line through-wall terminal, so that rapid wiring and plugging can be realized. Taking the distribution box 30 as an example, the right side panel of the distribution box 30 is provided with an outgoing line which enters and exits from the right wiring chamber K2 through an outgoing line through-wall terminal, so that the line is simplified, and the wiring difficulty is reduced.

In a specific embodiment, the middle part of the ups chamber K3 has a first transverse through-beam M1, where the first transverse through-beam M1 is used to separate the installation space of the ups 12 and the battery 11, the ups 12 is located at the top of the battery 11 and is disposed on the first transverse through-beam M1, and two ends of the ups 12 in the second direction (refer to the positive x-axis direction) have second hanging lugs 121, where the second hanging lugs 121 are connected with the stringers on the corresponding sides in the cabinet 1 through bolts, so as to facilitate the detachable installation of the ups 12.

In a specific embodiment, the ups chamber K3 further has a second through-transversal beam M2 located in a first direction (reference to the negative y-axis direction) of the first through-transversal beam M1, the second through-transversal beam M2 being used to space the ups chamber K3 and the underlying distribution chamber K1 and wiring chamber K2 in the first direction; the battery 11 is arranged in the second transverse through type beam M2, the bottom of the battery 11 is fixed with the second transverse through type beam M2 through the fixing support 111, detachable installation with the second transverse through type beam M2 is achieved, the top of the battery 11 is sleeved with a clamp 112, and detachable installation is achieved with the first transverse through type beam M1 through the clamp 112. Reliable fixing of the battery 11 is achieved both at the top and at the bottom.

The clamp 112 and the fixing bracket 111 can be customized according to the size of the battery 11, are convenient to install and fix, and are favorable for realizing physical isolation. The uninterrupted power supply 12 is compactly installed with the battery 11, which is beneficial to saving the wiring length.

In a specific embodiment, the breaker in one distribution box is a main breaker into which commercial power (such as AC 380V) enters, and a power-on indicator lamp of the main breaker can be further arranged, so that the on-off of a distribution circuit can be manually controlled, meanwhile, the distribution box has a separation tripping function, so that the commercial power load can be cut off when fire protection is started, a multifunctional ammeter can be further arranged in the distribution box 30, and the distribution box is provided with an electric quantity display, a working voltage and a current state display, and is provided with a surge protector, so that back-end equipment can be protected from lightning stroke; the rest distribution boxes are internally provided with three paths of direct commercial power branches, uninterrupted power supply 12 branches and bypass uninterrupted power supply 12 branches for switching, and are provided with a plurality of paths (such as 8 paths) of AC220V, a plurality of paths (such as 2 paths) of DC24V, a socket branch, AC/DC, a communication switch, a communication converter and an intermediate relay, wherein the intermediate relay is used for controlling different loads respectively.

In one specific embodiment, the wiring chamber K2 has a wire tying hole, a wire slot 20 and a terminal block 202 installed therein; the terminal rows 202 are arranged in a concentrated manner at the bottom ends of the side plates 22 of the wiring chamber K2 away from the distribution chamber K1, and extend in a first direction (reference y-axis negative direction); the wire chase 20 includes a lateral wire chase 20a located at the rear back plate 21 of the wiring closet K2 and extending in the second direction (reference x-axis positive direction), and a longitudinal wire chase 20b located at the wiring closet K2 away from the side plate 22 of the distribution closet K1 and extending in the first direction (reference y-axis negative direction), and the wire harness of the incoming and outgoing wires of each distribution closet is switched to the corresponding terminal block 202 along the corresponding lateral wire chase 20a and longitudinal wire chase 20 b. The terminal strip 202 and the wire harness distribution of business turn over line are concentrated, and the easy access is all had obvious label to strength this simultaneously, and clear intuitionistic when investigation overhauls.

The wiring room K2 is kept away from the curb plate 22 of electricity distribution room K1 and is equipped with along the first guide rail and the second guide rail that extend and set up adjacently, and longitudinal wire casing 20b is fixed in first guide rail, and terminal strip 202 is fixed in the second guide rail, is favorable to the circuit switching between longitudinal wire casing 20b and the terminal strip 202, and the inspection is convenient.

The battery 11 is composed of a plurality of battery clusters, 380V or 220V mains supply is connected to the input end of the power distribution cabinet through a cable, and power supplies of a main control, a slave control, a fan, an air conditioner, a fire protection system, video monitoring and the like are configured by the power distribution cabinet. The power distribution cabinet further comprises a battery management system, a communication management machine, an indicator light, a buzzer and the like.

The cabinet door 2 is provided with a prompt component 210, and the prompt component 210 comprises an indicator lamp for displaying a fault state, a power state, a A, B, C three-phase state, a UPS state and a breaker opening and closing state and also comprises a buzzer for reminding an alarm state; while an installation display control (ESMU) 220 may display the status of the battery 11 and the fault status of the ups 12.

The cabinet door 2 is also provided with an emergency stop button 230, and the emergency stop button can be pressed to cut off power in emergency, so that safety is ensured. The change-over switch on the panel is a local/remote change-over switch; the panel space of the cabinet door 2 of the power distribution cabinet is fully utilized, and the running state of the power distribution cabinet can be observed under the condition that the cabinet door 2 is not opened.

As shown in fig. 4, the wiring chamber K3 may be attached with bolts to cover plate 201 when maintenance is not required, so as to prevent dust and physical protection of the wiring.

Compare in traditional standard switch board, the switch board of this application embodiment can save a large amount of spaces after integrating.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A power distribution cabinet, comprising: the power distribution cabinet comprises a cabinet body, an uninterruptible power supply, a battery and a plurality of power distribution modules, wherein an accommodating space is formed in the cabinet body, and the accommodating space comprises an uninterruptible power supply chamber, a power distribution chamber and a wiring chamber;

the uninterruptible power supply chamber is positioned at the top of the cabinet body in a first direction, the power distribution chamber and the wiring chamber are arranged in parallel on the same layer along a second direction, the uninterruptible power supply chamber is positioned at the bottom of the cabinet body in the first direction, the first direction is the arrangement direction from the top to the bottom of the cabinet body, and the second direction is perpendicular to the first direction;

the uninterruptible power supply and the battery are positioned in the uninterruptible power supply room, and a plurality of power distribution modules are arranged in the power distribution room along the first direction;

each power distribution module comprises a power distribution box, and a breaker is arranged in each power distribution box.

2. The power distribution cabinet of claim 1, wherein the circuit breaker is disposed proximate a front panel of the power distribution cabinet, and wherein an operating handle of the circuit breaker is mounted on a corresponding front panel of the power distribution cabinet and is exposed to the front panel;

the electrical components and wires electrically connected with the circuit breaker are located inside the distribution box and on the side of the circuit breaker facing away from the front panel.

3. The power distribution cabinet of claim 1, wherein the power distribution module further comprises a mounting plate detachably mounted to the front panel of the power distribution cabinet by bolts.

4. The power distribution cabinet according to claim 1, wherein first hangers are respectively provided at both ends in a second direction of each of the power distribution cabinets, and each of the first hangers is detachably connected to a side member of a corresponding side in the cabinet body by bolts.

5. The power distribution cabinet of claim 1, wherein a panel of the power distribution cabinet adjacent to the wiring closet is provided with an external in-out wall terminal.

6. The power distribution cabinet according to claim 1, wherein a first transverse through-type cross beam is arranged in the middle of the uninterruptible power supply chamber, the uninterruptible power supply is located at the top of the battery and is arranged on the first transverse through-type cross beam, second hanging lugs are arranged at two ends of the uninterruptible power supply in the second direction, and the second hanging lugs are connected with longitudinal beams on corresponding sides in the cabinet body through bolts.

7. The power distribution cabinet of claim 6, wherein the uninterruptible power supply compartment further has a second transverse through beam positioned in a first direction of the first transverse through beam;

the battery is arranged in the second transverse through type cross beam, the bottom of the battery is fixed with the second transverse through type cross beam through a fixing support, a clamp is sleeved on the top of the battery, and the battery is detachably mounted with the first transverse through type cross beam through the clamp.

8. The power distribution cabinet of claim 1, wherein the circuit breaker within one of the power distribution cabinets is a mains access total circuit breaker;

the rest of the distribution boxes are internally provided with three paths of direct commercial power branches, uninterruptible power branches and bypass uninterruptible power branches for switching, and are provided with a plurality of paths of AC220V, a plurality of paths of DC24V, socket branches, AC/DC, a communication switch, a communication conversion machine and an intermediate relay, wherein the intermediate relay is used for controlling different loads respectively.

9. The power distribution cabinet according to claim 1, wherein a wire tying hole, a wire slot and a terminal block are installed in the wiring chamber;

the terminal rows are arranged at the bottom ends of the side plates of the wiring chamber far away from the distribution chamber in a concentrated manner and extend along the first direction;

the wire slots comprise transverse wire slots which are arranged on the rear backboard of the wiring chamber and extend along the second direction, and longitudinal wire slots which are arranged on the wiring chamber, far away from the side plates of the distribution chamber and extend along the first direction, and wire bundles of wire inlet and outlet wires of each distribution box are connected to corresponding terminal rows along the corresponding transverse wire slots and the longitudinal wire slots.

10. The power distribution cabinet of claim 9, wherein the side panel of the wiring compartment remote from the power distribution compartment is provided with a first rail and a second rail extending in the first direction and disposed adjacent to each other, the longitudinal wire slot being secured to the first rail, the terminal block being secured to the second rail.