CN113555776A

CN113555776A - Power distribution cabinet

Info

Publication number: CN113555776A
Application number: CN202111038674.7A
Authority: CN
Inventors: 沈瑞锡; 黄日光; 吴贻标; 陈文其; 肖晓慧; 曹贵阳; 李小欢; 吴小东; 李宗翰; 凌遂愿
Original assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2021-10-26
Anticipated expiration: 2041-09-06
Also published as: CN113555776B

Abstract

The invention belongs to the technical field of power equipment, and discloses a power distribution cabinet which comprises a power distribution cabinet, a plurality of mounting plates, a sliding mechanism and a locking mechanism, wherein the mounting plates are arranged in the power distribution cabinet and can move along a first direction, the mounting plates are arranged along a second direction and a third direction which are perpendicular to the first direction at intervals, a wiring groove can be formed between the mounting plate provided with an electric element and the mounting plate not provided with the electric element, the sliding mechanism is connected with the mounting plates and can enable the mounting plates to move along the first direction, and the locking mechanism is used for fixing the mounting plates. According to the power distribution cabinet provided by the invention, the position of the mounting plates along the first direction is adjusted through the sliding mechanism, so that the electric elements mounted on each mounting plate are staggered, the heat dissipation of the electric elements is facilitated, and meanwhile, the wiring grooves can enable the wiring in the power distribution cabinet to be more orderly and convenient.

Description

Power distribution cabinet

Technical Field

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

Background

The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center and comprises primary power distribution equipment, secondary power distribution equipment and final power distribution equipment.

Primary distribution equipment, collectively referred to as power distribution centers, are centrally installed in substations of an enterprise to distribute electrical energy to subordinate distribution equipment at different locations. The equipment of this stage is close to the step-down transformer, so the requirement of electrical parameters is higher, and the capacity of an output circuit is also higher.

The secondary power distribution equipment is a general name of a power distribution cabinet and a motor control center, and the power distribution cabinet is used in occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

The final distribution equipment is collectively referred to as a lighting power distribution box. They are located far from the power supply center and are distributed small-capacity power distribution equipment.

However, the shape of the cabinet body of the power distribution cabinet is fixed, when the electrical elements are installed, the bracket is firstly arranged to install the electrical elements, then the wiring clamping groove is arranged, the wire is bent to match the wiring clamping groove to conduct wiring, the installation process is complex, and a large amount of time is consumed. And the electric elements of the power distribution cabinet are all arranged on one plane, so that the heat dissipation of the electric elements is influenced.

Disclosure of Invention

The invention aims to provide a power distribution cabinet, which has the advantages that electric elements can be distributed in a staggered mode, the heat dissipation is good, and the wiring is convenient.

In order to achieve the purpose, the invention adopts the following technical scheme:

a power distribution cabinet, comprising:

a distribution box;

the mounting plates are arranged in the distribution box and are used for mounting electric elements, the mounting plates can move along a first direction, the mounting plates are arranged at intervals along a second direction and a third direction perpendicular to the first direction, and wiring grooves can be formed between the mounting plates with the electric elements and the mounting plates without the electric elements;

the sliding mechanism is connected with the mounting plate and can enable the mounting plate to move along a first direction;

and the locking mechanism is used for fixing the mounting plate.

Preferably, still include the pouring jacket, the block terminal sets up in the pouring jacket, and the block terminal can remove along first direction.

Preferably, a first fastener is arranged between the sleeve box and the distribution box, and the first fastener is used for fixing the distribution box in the sleeve box.

Preferably, the support mechanism is used for supporting the sleeve box, and comprises:

a base;

one end of the supporting rod is connected with the bottom of the jacket box, and the other end of the supporting rod is connected with the base;

the reinforcing ring is sleeved on the supporting rod;

and one end of the positioning rod is connected with the base, and the other end of the positioning rod is connected with the reinforcing ring.

Preferably, the slide mechanism includes the slide bar, and the first end of slide bar slides in proper order and wears to establish slide opening and block terminal on the pouring jacket and be connected with the mounting panel.

Preferably, the locking mechanism comprises:

the guide ring is arranged corresponding to the sliding hole and arranged outside the sleeve box, the sliding rod penetrates through the guide ring, and a second threaded through hole is formed in the guide ring;

and the second fastener is in threaded connection with the second threaded through hole and can be abutted against the sliding rod.

Preferably, the guide ring is internally provided with a rubber sleeve, and the sliding rod is penetrated by the rubber sleeve.

Preferably, the second end of the slide bar is provided with a limiting member, and the limiting member is used for limiting the sliding range of the slide bar.

Preferably, the wiring structure further comprises a connection film, the connection film is made of an elastic material and is connected with the adjacent mounting boards, the connection film can deform along with the movement of the mounting boards, and the connection film between the mounting board provided with the electric element and the mounting board not provided with the electric element form a wiring groove.

Preferably, a box door is arranged on one side of the distribution box opposite to the sleeve box.

The invention has the beneficial effects that: according to the power distribution cabinet provided by the invention, the positions of the mounting plates along the first direction are adjusted through the sliding mechanism, so that the electric elements mounted on each mounting plate are staggered, and the heat dissipation of the electric elements is facilitated; meanwhile, the position of the mounting plate without the electric element is adjusted according to the position of the mounting plate with the electric element in the power distribution cabinet, so that the mounting plates are spliced into a wiring groove, and further wiring in the power distribution cabinet is more orderly and convenient.

Drawings

Fig. 1 is a schematic structural diagram of a power distribution cabinet according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a sliding mechanism according to a first embodiment of the present invention;

FIG. 3 is a rear view of a first embodiment of the invention;

FIG. 4 is a rear view of a third embodiment of the invention;

fig. 5 is a flowchart of a method for using a power distribution cabinet according to a fourth embodiment of the present invention.

In the figure:

100. a distribution box;

201. mounting a plate; 202. a wiring groove;

300. a sliding mechanism; 301. a slide hole; 302. a slide bar; 303. a connecting plate;

400. a locking mechanism; 401. a guide ring; 402. a second fastener;

500. sleeving a box; 600. a first fastener;

701. a base; 702. a support bar; 703. a reinforcement ring; 704. positioning a rod;

800. a limiting member;

900. connecting the films; 901. a diaphragm plate; 902. a connecting sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The switch board is the general name of motor control center, can settle a lot of electrical components in the cabinet, and these electrical components all need connect through the wire and realize its function, and each electrical component, instrument, switch and circuit should install firmly in the switch board, convenient operation, and the wiring is pleasing to the eye.

Example one

Referring to fig. 1 to 2, the power distribution cabinet provided by this embodiment includes a power distribution box 100, a mounting plate 201, a sliding mechanism 300 and a locking mechanism 400, the mounting plate 201 is disposed in the power distribution box 100 and is provided with a plurality of mounting plates 201, the mounting plate 201 is used for mounting an electrical component, the mounting plate 201 can move along a first direction, the mounting plates 201 are disposed at intervals along a second direction perpendicular to the first direction and a third direction, a wiring slot 202 can be formed between the mounting plate 201 on which the electrical component is mounted and the mounting plate 201 on which the electrical component is not mounted, the sliding mechanism 300 is connected to the mounting plate 201, the mounting plate 201 can move along the first direction, and the locking mechanism 400 is used for fixing the mounting plate 201.

The position of the mounting plates 201 along the first direction is adjusted through the sliding mechanism 300, so that the electric elements mounted on each mounting plate 201 are staggered, and heat dissipation of the electric elements is facilitated; meanwhile, the position of the mounting plate 201 without the electric element is adjusted according to the position of the mounting plate 201 with the electric element in the power distribution cabinet, so that the mounting plate 201 is spliced into a wiring groove 202, and further wiring in the power distribution cabinet 100 is tidy and convenient.

In this embodiment, referring to fig. 1, the power distribution cabinet further includes a kit 500, and the power distribution box 100 is disposed in the kit 500. In the present embodiment, the casing 500 is made of a transparent material. Preferably, the material of the casing 500 is a transparent acrylic material. In this embodiment, the inside condition of switch board can be observed through the pouring jacket 500, and electrical components and wiring are installed more conveniently.

Further, a first fastener 600 is disposed between the sheath 500 and the distribution box 100, and the first fastener 600 is used for fixing the distribution box 100 in the sheath 500. Specifically, first fastener 600 is fastening screw, and further, the pouring jacket 500 top is equipped with first screw through-hole, and the screw end and the first screw through-hole spiro union of first fastener 600, when the terminal surface of the screw end of first fastener 600 supported against block terminal 100, first fastener 600 can restrict block terminal 100 and remove in pouring jacket 500.

In this embodiment, the power distribution cabinet further includes a supporting mechanism for supporting the jacket 500, the supporting mechanism includes a base 701 and a supporting rod 702, one end of the supporting rod 702 is connected to the bottom of the jacket 500, and the other end is connected to the base 701. In this embodiment, the height of the power distribution cabinet is ensured by supporting the jacket 500 by the supporting mechanism.

Further, the supporting mechanism further comprises a reinforcing ring 703 and a positioning rod 704, the reinforcing ring 703 is sleeved on the supporting rod 702, one end of the positioning rod 704 is connected with the base 701, and the other end of the positioning rod 704 is connected with the reinforcing ring 703. In this implementation, the reinforcing ring 703 and the positioning rod 704 can improve the stability and the bearing capacity of the supporting mechanism, and ensure that the power distribution cabinet can be stably arranged on the supporting mechanism.

The first direction is the width direction of block terminal 100, and the second direction is the direction of height of block terminal 100, and the third direction is the length direction of block terminal 100, and mounting panel 201 can move along the width direction of block terminal 100. In this embodiment, referring to fig. 2 to 3, the bottom wall of the casing (500) is provided with a plurality of sliding holes 301, specifically, the sliding holes 301 are distributed in a matrix.

The sliding mechanism 300 includes a sliding rod 302, and a first end of the sliding rod 302 sequentially penetrates through the sliding hole 301 on the jacket 500 and the distribution box 100 and is connected with the mounting plate 201. Specifically, the position of the sliding rod 302 is adjusted to adjust the positions of the mounting plates 201, so that the electric elements mounted on each mounting plate 201 are staggered, and the heat dissipation of the electric elements is facilitated.

Further, a limiting member 800 is installed at the second end of the sliding rod 302, and the limiting member 800 is used for limiting the sliding range of the sliding rod 302. Specifically, the limiting member 800 may be a nut, the nut is mounted at the second end of the sliding rod, and the limiting member may also be other types of limiting members, which are not described in detail herein. Further, the second end of the sliding rod 302 is provided with an external thread which is matched and connected with a nut, and the sliding range of the sliding rod 302 can be adjusted by adjusting the position of the nut on the sliding rod 302.

The locking mechanism is used for fixing the position of the mounting plate 201, in this embodiment, the locking mechanism 400 includes a guide ring 401 and a second fastener 402, the guide ring 401 is disposed corresponding to the sliding hole 301 and is disposed outside the casing 500, the sliding rod 302 is disposed through the guide ring 401, and the guide ring 401 is provided with a second threaded through hole, specifically, the second threaded through hole may be disposed along a radial direction of the guide ring 401; the second fastener 402 is in threaded connection with the second threaded through hole, and the second fastener 402 can abut against the sliding rod 302. In this embodiment, the guide ring 401 can lengthen the length of the slide hole 301, so that the slide rod 302 can stably slide in the slide hole 301 and the guide ring 401, and the bearing capacity of the mounting plate 201 on the slide rod 302 is improved. Further, after the position of the mounting plate 201 is adjusted, the position of the sliding rod 302 is fixed through the second fastener 402 to fix the position of the mounting plate 201, and accidents caused by displacement of the mounting plate 201 in the operation of the power distribution cabinet are avoided. Further, the locking mechanism 400 may be other types of locking mechanisms 400, which are not described in detail herein.

Further, a rubber sleeve is arranged in the guide ring 401, and the sliding rod 302 penetrates through the rubber sleeve. In this embodiment, when the electrical component is mounted, the rubber sleeve increases the friction between the sliding rod 302 and the guide ring 401, and prevents the sliding rod 302 from moving in the sliding hole 301, which may interfere with the mounting and wiring of the electrical component. Further, the rubber sleeve can seal the gap between the sliding rod 302 and the guide ring 401, and prevent fine substances such as dust from entering the distribution box 100.

In this embodiment, the sliding rod 302 is a square rod, one sliding rod 302 is correspondingly connected to one mounting plate 201, the sliding hole 301 is a square groove matched with the sliding rod 302, and a square hole matched with the sliding rod 302 is defined by an inner annular surface of the guide ring 401. In this embodiment, the sliding rod 302 is set to be a square rod, the sliding rod 302 can be limited from rotating along the circumferential direction, and then each mounting plate 201 is correspondingly provided with a square rod, so that the mounting plate 201 cannot rotate along the circumferential direction of the sliding rod 302, the rotation of the mounting plate 201 is limited, the electric element can be kept fixed after being mounted on the mounting plate 201, and then the connection between the wire and the electric element is reliable, and the situation that the electric element is not connected with the wire due to the fact that the mounting plate 201 rotates due to external interference is avoided.

In this embodiment, the power distribution cabinet further includes a connection film 900, the connection film 900 is made of an elastic material, the connection film 900 connects the adjacent mounting boards 201, the connection film 900 can deform along with the movement of the mounting boards 201, and the wiring groove 202 is formed between the connection film 900 between the mounting board 201 mounted with the electrical component and the mounting board 201 not mounted with the electrical component. Preferably, the connecting film 900 is made of rubber. Further, one side of the distribution box 100, which is arranged in the sleeve box 500, is provided with an opening, the connecting film 900 can seal a gap between the adjacent mounting plates 201, and the connecting film 900 can seal the opening to prevent fine substances such as dust from entering the distribution box 100.

Specifically, the connection film 900 is disposed between the slide bar 302 and the mounting plate 201. Furthermore, the first end face of the sliding rod 302 is provided with the connecting plate 303 connected with the connecting film 900, the specification size of the connecting plate 303 is larger than or equal to that of the mounting plate 201, the groove wall of the wiring groove 202 is arranged on the outer side of the edge of the mounting plate 201 provided with the electric element after the connecting film 900 is stretched along with the sliding rod 302, wiring is facilitated, and the phenomenon of wire clamping between the mounting plates 201 cannot occur in the wiring process.

Further, a box door is arranged on one side of the distribution box 100 opposite to the sleeve 500, specifically, the box door is arranged on one side of the distribution box 100 away from the opening, so that the box door is opposite to the electric element arranged on the mounting plate 201, and the installation and maintenance are convenient. In this embodiment, the box door can seal the distribution box 100, so as to prevent foreign matters such as dust from entering the distribution box 100 and corroding the electrical components, thereby affecting the heat dissipation of the electrical components.

In this embodiment, the distribution box 100 can move along a first direction. In this embodiment, the position of adjustment block terminal 100 makes block terminal 100 can be suitable for all to be installed electric elements, guarantees that electric elements installs the back and is close to the chamber door as far as, makes things convenient for operating personnel to the detection of switch board.

Example two:

the sliding mechanism 300 of the power distribution cabinet provided in this embodiment is different from the first embodiment in that in this embodiment, the sliding rod 302 is a cylindrical rod, and a plurality of sliding rods 302 are correspondingly connected to one mounting plate 201. Preferably, two sliding rods 302 are correspondingly connected with one mounting plate 201. Specifically, the slide hole 301 is a circular groove, and the inner annular surface of the guide ring 401 is rounded. In this embodiment, two slide bars 302 are connected a mounting panel 201 and can be guaranteed that mounting panel 201 does not rotate, guarantee that electrical component can keep the rigidity after installing on mounting panel 201, and then guarantee that wire and electrical component's connection is reliable, thereby avoid leading to mounting panel 201 to rotate because of external disturbance and cause electrical component to be connected not hard up with the wire.

Compared with the first embodiment, the sliding rod 302 of the sliding mechanism 300 of the present embodiment is connected to the mounting plate 201 in a manner that ensures that the mounting plate 201 can mount heavier electrical components, and the circular sliding hole 301 is easier to process than the square sliding hole 301.

Other structures of the power distribution cabinet provided by the embodiment are the same as those of the first embodiment, and are not described in detail herein.

EXAMPLE III

Different from the first embodiment, referring to fig. 4, the connection film 900 in the power distribution cabinet provided in this embodiment includes a film board 901 and a plurality of connection sleeves 902 connected to the film board 901, where each connection sleeve 902 corresponds to one mounting board 201. Further, each connecting sleeve 902 is disposed between one mounting plate 201 and one connecting plate 303. Specifically, the connecting sleeve 902 is an organ structure.

Because the connection film 900 in this embodiment is composed of the film plate 901 and the connection sleeve 902 of the wind instrument structure, the force of the connection film 900 on the mounting plate 201 in the moving process is much smaller than the force of the connection film 900 on the mounting plate 201 in the first embodiment, and the mounting plate 201 can be positioned better.

Example four

The embodiment provides a method for using a power distribution cabinet, which can be applied to embodiments 1 to 3, and referring to fig. 5, the method for using the power distribution cabinet provided by the embodiment includes the following steps:

s01: the position of the electric box 100 within the kit 500 is adjusted and the electric box 100 is fixed by the first fastener 600.

Specifically, the position of the distribution box 100 is adjusted, so that all the electrical elements to be installed can be installed in the distribution box 100, the electrical elements are guaranteed to be close to a box door as far as possible after being installed, and detection of an operator on the distribution box is facilitated. When the position of the electrical box 100 is determined, the end surface of the threaded end of the first fastener 600 abuts against the electrical box 100, limiting the movement of the electrical box 100 within the casing 500.

S02: the door is opened and the electric component is mounted on the mounting plate 201 by adjusting the position of the slide bar 302 to move the mounting plate 201 to a side close to the door.

Specifically, by moving the mounting plate 201 to the side close to the door, the operator does not need to insert his body into the distribution box 100 to mount the electrical components, and the mounting process is more convenient.

S03: and adjusting the position of the mounting plate 201 provided with the electric element, and fixing the position of the sliding rod 302 corresponding to the mounting plate 201 provided with the electric element by a second fastener 402.

Specifically, adjust the mounting panel 201 position of installing electrical component for the electrical component of installing on every mounting panel 201 staggers each other, is favorable to electrical component's heat dissipation, and second screw through-hole supports to lean on the mounting panel 201 of slide bar 302 lateral wall with fixed mounting electrical component by the second fastener 402 threaded end face, avoids switch board operation in the middle of the mounting panel 201 aversion send accident.

S04: the position of the mounting board 201 where no electric component is mounted is adjusted, and the position of the remaining slide bar 302 is fixed by the second fastener 402, and wiring is started.

Specifically, the positions of the mounting plates 201 without the electrical components are adjusted, so that the mounting plates 201 without the electrical components are spliced into the wiring grooves, and the wiring in the distribution box 100 can be more orderly and conveniently.

S05: after wiring is completed, the door of the panelboard 100 is closed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A power distribution cabinet, characterized by comprising:

an electric box (100);

the mounting plate (201) is arranged in the distribution box (100) and provided with a plurality of mounting plates (201), the mounting plates (201) are used for mounting electric elements, the mounting plates (201) can move along a first direction, the mounting plates (201) are arranged at intervals along a second direction and a third direction which are perpendicular to the first direction, and a wiring groove (202) can be formed between the mounting plate (201) mounted with the electric elements and the mounting plate (201) not mounted with the electric elements;

a slide mechanism (300) connected to the mounting plate (201) and capable of moving the mounting plate (201) in the first direction;

a locking mechanism (400) for securing the mounting plate (201).

2. The electrical distribution cabinet according to claim 1, further comprising a nest (500), the electrical distribution box (100) being disposed within the nest (500), the electrical distribution box (100) being movable along the first direction.

3. The electrical distribution cabinet according to claim 2, characterized in that a first fastening member (600) is provided between the kit (500) and the electrical distribution box (100), the first fastening member (600) being used for fixing the electrical distribution box (100) within the kit (500).

4. The electrical distribution cabinet according to claim 2, further comprising a support mechanism for supporting the nest (500), the support mechanism comprising:

a base (701);

one end of the supporting rod (702) is connected with the bottom of the sleeve box (500), and the other end of the supporting rod (702) is connected with the base (701);

the reinforcing ring (703) is sleeved on the supporting rod (702);

one end of the positioning rod (704) is connected with the base (701), and the other end of the positioning rod (704) is connected with the reinforcing ring (703).

5. The power distribution cabinet according to claim 2, wherein the sliding mechanism (300) comprises a sliding rod (302), and a first end of the sliding rod (302) is sequentially slidably inserted through a sliding hole (301) of the jacket (500) and the power distribution box (100) and connected to the mounting plate (201).

6. The electrical distribution cabinet according to claim 5, characterized in that said locking mechanism (400) comprises:

the guide ring (401) is arranged corresponding to the sliding hole (301) and arranged outside the sleeve box (500), the sliding rod (302) penetrates through the guide ring (401), and a second threaded through hole is formed in the guide ring (401);

a second fastener (402) threadably engaged with the second threaded through hole, the second fastener (402) being abuttable against the slide bar (302).

7. The power distribution cabinet according to claim 6, characterized in that a rubber sleeve is arranged in the guide ring (401), and the sliding rod (302) penetrates through the rubber sleeve.

8. The power distribution cabinet according to claim 5, wherein a limiting member (800) is mounted at the second end of the sliding rod (302), and the limiting member (800) is used for limiting the sliding range of the sliding rod (302).

9. The electrical distribution cabinet according to claim 1, further comprising a connection film (900), wherein the connection film (900) is made of an elastic material, the connection film (900) connects the adjacent mounting boards (201), the connection film (900) can deform with the movement of the mounting boards (201), and the connection film (900) between the mounting board (201) mounted with the electrical component and the mounting board (201) not mounted with the electrical component form the wiring groove (202).

10. The electrical distribution cabinet according to claim 2, characterized in that a door is provided on the side of the electrical distribution cabinet (100) opposite to the jacket (500).