WO2017076062A1

WO2017076062A1 - Electrical cabinet apparatus

Info

Publication number: WO2017076062A1
Application number: PCT/CN2016/090123
Authority: WO
Inventors: 顾玉奎
Original assignee: 顾玉奎
Priority date: 2015-11-02
Filing date: 2016-07-15
Publication date: 2017-05-11
Also published as: CN107710898A; CN105611759A

Abstract

Provided is an electrical cabinet apparatus, comprising a cabinet back plate (12) having air inlet holes (120), and side-face fixed beams (121, 122) perpendicular to said cabinet back plate (12) and symmetrically arranged at the two sides of the electrical cabinet apparatus with respect to its central axis (100); the side-face fixed beams (121, 122) at each side are each fixedly provided with a mounting fixed side panel (181, 191) used for mounting electrical devices (18, 19); the two sides of the electrical cabinet apparatus are each provided with an exhaust heat-dissipating panel apparatus (2); the rear end of said exhaust heat-dissipating panel apparatus (2) is connected to said cabinet back plate (12) by means of a hinge mounting block (9) fixedly disposed at a corresponding end part of the left and right end parts of said cabinet back plate (12).

Description

Electrical cabinet device

Technical field

This invention relates to the field of electrical engineering, and more particularly to an electrical cabinet apparatus.

Background technique

In the field of electrical cabinets, heat dissipation components such as electrical components are often required to dissipate heat. For this kind of heat dissipation, it is difficult to achieve by uniformly setting a fan at a certain position in the electrical cabinet.

At present, some heat dissipating devices capable of concentrated heat dissipation are often difficult to conveniently perform positioning installation and opening maintenance, which causes trouble for the user to be difficult to maintain and difficult to install. Inaccurate positioning during installation will make it difficult for the heat sink to be close to the electrical components, thereby affecting the operational stability and reliability of the electrical system in the electrical cabinet.

Summary of the invention

It is an object of the present invention to provide an electrical cabinet apparatus that overcomes the deficiencies of the prior art.

An electrical cabinet apparatus according to aspects of the present invention includes a cabinet back panel with an air intake opening and a symmetrical arrangement on both sides perpendicular to the cabinet back panel and about a central axis of the electrical cabinet device Side fixing beams, wherein the side fixing beams at each side respectively fix a mounting fixed side plate for mounting electrical components; wherein, the exhaust cabinets are respectively provided at both sides of the electrical cabinet device, The rear end of the exhaust fin device is connected to the cabinet back plate by a hinge mounting block fixedly disposed at a corresponding one of the left and right end portions of the cabinet back plate, wherein The main body block of the hinged mounting block is provided with left and right guide grooves and front and rear guide grooves for slidingly engaging one end of the left and right slidable clamping positioning blocks and one end of the front and rear slidable clamping positioning blocks, respectively The main body block is also fixedly connected to one end of the left and right guide rods wound with the left and right extension springs and one end of the front and rear guide rods around which the front and rear tension springs are wound, the other end of the left and right guide rods and the front and rear guides The other end is fixedly connected to the additional fixing block of the hinge mounting block fixed to the corresponding side fixing beam, the left and right slidable clamping positioning block and the front and rear slidable clamping positioning block and the left and right guides The groove and the front and rear guide grooves surround a space of a square cross section, and a positioning hinge shaft fixedly disposed at one end of the exhaust heat dissipating plate device is accommodated in the space, the cross section of the positioning hinge shaft has a front-back direction symmetry axis and a left-right direction An axis of symmetry, and consisting of two circular arc lines symmetric with respect to the axis of symmetry of the front-rear direction and two circular arc lines having the same curvature as the two circular arc lines and symmetric about the axis of symmetry of the left and right directions; The exhaust heat dissipating device includes a top plate and a bottom plate respectively disposed at upper and lower ends of the positioning hinge shaft, extending between the top plate and the bottom plate in an up-and-down direction to thereby the exhaust heat sink a partitioning plate partitioned into two parts at the front and the rear, respectively located in the front and rear portions and also extending in the up and down direction between the top and bottom plates a fan mounting vertical plate and a front fan group and a rear fan group respectively disposed in the front and rear portions and installed between the corresponding fan mounting vertical plates, wherein the front fan group and the rear fan group respectively are disposed in an up-and-down direction a plurality of fans; an airflow intercommunication space is disposed between the exhaust fin plate device at each of the two sides of the electrical cabinet device and the corresponding side fixing beam, and the fan can remove hot gas from the The electrical device is discharged through a beam gap of the side fixing beam, the airflow intercommunication space, and a vertical plate gap in the vicinity of the fan mounting riser.

Wherein, in the working state, the exhaust heat dissipating device is in the left and right slidable clamping positioning block and front The rear slidable clamping positioning block realizes positioning and locking under the clamping of the positioning hinge shaft, thereby ensuring that the fan of the exhaust heat dissipating device is close to the corresponding airflow intercommunication space; when entering the maintenance state, The exhaust fin plate device rotates relative to the cabinet back plate, and the left and right slidable clamping positioning blocks and the front and rear slidable clamping positioning blocks are opened by the corners of the positioning hinge shaft to allow Rotating the exhaust fin device, and when the exhaust fin device is in an open position in the left-right direction, the left and right slidable clamping positioning blocks and the front and rear slidable clamping positioning blocks are positioned Positioning and locking are also achieved under the clamping of the hinged shaft to facilitate maintenance of the electrical cabinet unit.

Through the above scheme, an articulated shaft mechanism having a biaxially symmetric shape is provided, which is capable of providing positional positioning and locking of the front, rear, and left and right states, thereby satisfying the two states of the heat sink in the working state and the maintenance state. By setting the specific shape of the hinge shaft, the circumferential positioning can be realized by the pressing action of the clamping block and the oppositely disposed circular arc surface, and the clamping block is guided by the double action of the guide rail groove and the guide rod, thereby The phenomenon of torsional deflection due to the resetting action of the elastic return element to the clamping is avoided. By setting two clamping blocks to act in different directions with different arc faces of the hinge shaft, the accuracy and reliability of the circumferential positioning are ensured. Due to this positioning and locking function, it is ensured that the exhaust fin device is closely attached to the electrical device accessories of the electrical cabinet under working conditions, thereby ensuring rapid discharge of hot gas; and it is not moved by disturbance factors such as external vibration. Bit. And in the maintenance state, the exhaust radiator device can be positioned in an open state, thereby facilitating maintenance of the electrical cabinet and facilitating maintenance of the exhaust radiator device. For such a specific case with a plurality of sets of fans, when such a fan fails, the hinge mechanism that is easy to open and close is utilized, so that the cooling mechanism can be conveniently maintained and quickly reset into a working state. By providing the airflow intercommunication space, the working effects of the respective fans can be complemented. When the hot gas in a certain area is difficult to be exhausted by the nearby fan, the fan at other positions can simultaneously discharge the hot gas. The structure of the whole device is reliable and easy to operate, which effectively reduces the cost and ensures the cooling effect, thereby improving the operational reliability and maintainability of the electrical cabinet system.

DRAWINGS

1 is a schematic view showing the overall structure of an electrical cabinet device of the present invention.

2 is a schematic structural view of the positioning hinge shaft of FIG. 1.

detailed description

The present invention will be described in detail below with reference to Figs.

An electrical cabinet apparatus according to an embodiment, comprising a cabinet back panel 12 with an air intake opening 120 and a symmetrical arrangement with respect to the cabinet back panel 12 and symmetrically about the central axis 100 of the electrical cabinet device

Side fixing beams

121, 122 at the side, wherein the

side fixing beams

121, 122 at each side respectively fix the mounting

fixing side plates

181, 191 for mounting the electrical components 18, 19; wherein the electrical cabinet device Exposed on each side of the exhaust fin device 2, the rear end of the exhaust fin device 2 is fixedly disposed at a corresponding one of the left and right end portions of the cabinet back plate 12 The hinged mounting block 9 is connected to the cabinet back panel 12, wherein the main body block 91 of the hinge mounting block 9 is provided with left and right guiding slots 10 and front and rear guiding slots 7 for respectively slidable clamping positioning One end of the block 11 and one end of the front and rear slidable clamping positioning block 5 are slidably engaged, and the main body block 91 of the hinge mounting block 9 is also wound with one end of the left and right guide rods 3 around which the left and right tension springs 4 are wound. One end of the front and rear guide rods 14 of the front and rear tension springs 13 are fixed Then, the other end of the left and right guide rod 3 and the other end of said front and rear guide bars 14 are mounted with the hinge fixed to the respective block 9 The additional fixing blocks 92 on the

side fixing beams

121, 122 are fixedly connected, and the left and right slidable clamping positioning blocks 11 and the front and rear slidable clamping positioning blocks 5 are surrounded by the left and right guiding grooves 10 and the front and rear guiding grooves 7. a space of a square cross section in which a positioning hinge shaft 8 fixedly disposed at one end of the exhaust heat dissipating plate device 2 is accommodated, the cross section of the positioning hinge shaft 8 having an axis of symmetry in the front-rear direction and an axis of symmetry in the left-right direction, and Two

circular arc lines

81, 82 which are symmetrical about the axis of symmetry of the front-rear direction, and two circular arc lines 83 which have the same curvature as the two

circular arc lines

81, 82 and are symmetrical about the axis of symmetry in the left-right direction The exhaust heat dissipating device 2 includes a top plate and a bottom plate respectively disposed at upper and lower ends of the positioning hinge shaft 8, extending between the top plate and the bottom plate in the up and down direction, thereby The exhaust fin device 2 is divided into partition plates 28 of the front and

rear portions

21, 29, fans respectively located in the front and rear portions and also extending in the up and down direction between the top plate and the bottom plate Ann The vertical plates 291, 211 and the front fan group 17 and the rear fan group 171 respectively located in the front and rear portions and installed between the corresponding fan mounting risers, the front fan group 17 and the rear fan group 171 respectively included a plurality of fans distributed in the up and down direction; an airflow intercommunication space 15 is disposed between the exhaust heat dissipating device 2 at each of the two sides of the electrical cabinet device and the corresponding

side fixing beams

121, 122 The fan is capable of discharging hot gas from the electrical device 18, 19 via a beam gap of the side fixing beam, the airflow intercommunication space 15, and a vertical plate gap near the fan mounting risers 291, 211 .

In the working state, the exhaust heat dissipating device 2 can be positioned under the clamping action of the positioning hinge shaft 8 by the left and right slidable clamping positioning block 11 and the front and rear slidable clamping positioning block 5 And locking to ensure that the fan of the exhaust fin device 2 is close to the corresponding airflow intercommunication space 15; when the maintenance state is to be entered, the exhaust fin device 2 is rotated relative to the cabinet back plate 12. The left and right slidable clamping positioning block 11 and the front and rear slidable clamping positioning block 5 are opened by the corner of the positioning hinge shaft 8 to allow rotation of the exhaust heat dissipating device 2, and When the exhaust heat dissipating device 2 is in the open position in the left-right direction, the left and right slidable clamping positioning blocks 11 and the front and rear slidable clamping positioning blocks 5 are also clamped by the positioning hinge shaft 8 Positioning and locking to facilitate maintenance of the electrical cabinet unit.

The front end of the front and rear guide grooves 7 may be provided with a first elastic pressing element 71 for pressing against the positioning hinge shaft 8 on one end of the front and rear slidable clamping positioning block 5, The right end of the left and right guide grooves 10 is provided with a second elastic pressing member 101 for pressing against the positioning hinge shaft 8 on one end of the left and right slidable clamping positioning blocks 11.

Wherein, a hinged door 20 may be provided at the front side of the electrical cabinet to open or close the electrical cabinet.

An articulated shaft mechanism having a biaxially symmetric shape is provided, which is capable of providing positional positioning and locking of the front and rear and left and right states, thereby satisfying the two states of the heat sink in the working state and the maintenance state. By setting the specific shape of the hinge shaft, the circumferential positioning can be realized by the pressing action of the clamping block and the oppositely disposed circular arc surface, and the clamping block is guided by the double action of the guide rail groove and the guide rod, thereby The phenomenon of torsional deflection due to the resetting action of the elastic return element to the clamping is avoided. By setting two clamping blocks to act in different directions with different arc faces of the hinge shaft, the accuracy and reliability of the circumferential positioning are ensured. Due to this positioning and locking function, it is ensured that the exhaust fin device is closely attached to the electrical device accessories of the electrical cabinet under working conditions, thereby ensuring rapid discharge of hot gas; and it is not moved by disturbance factors such as external vibration. Bit. And in the maintenance state, the exhaust radiator device can be positioned in an open state, thereby facilitating maintenance of the electrical cabinet and facilitating maintenance of the exhaust radiator device. For such a specific case with a plurality of sets of fans, when such a fan fails, the hinge mechanism that is easy to open and close is utilized, so that the cooling mechanism can be conveniently maintained and quickly reset into a working state. By setting The airflow intercommunication space can complement the working effect of each fan. When the hot gas in a certain area is difficult to be exhausted by the nearby fan, the fan at other positions can discharge the hot gas at the same time.

In the above manner, those skilled in the art can make various changes depending on the mode of operation within the scope of the present invention.

Claims

An electrical cabinet apparatus characterized by comprising a cabinet back panel (12) with an air inlet opening (120) and a central axis perpendicular to the cabinet back panel (12) and relating to the electrical cabinet device (100) and side fixing beams (121, 122) symmetrically disposed at both sides, wherein the side fixing beams (121, 122) at each side are respectively fixed for mounting the electrical devices (18, 19) Fixed side plates (181, 191); wherein the two sides of the electrical cabinet device are respectively provided with an exhaust heat sink device (2), and the rear end of the exhaust heat sink device (2) is fixedly disposed at a hinge mounting block (9) at a respective one of the left and right ends of the cabinet back panel (12) is coupled to the cabinet back panel (12), wherein the hinge mounting block (9) The main body block (91) is provided with left and right guide grooves (10) and front and rear guide grooves (7) for respectively engaging one end of the left and right slidable clamping positioning blocks (11) and the front and rear slidable clamping positioning blocks ( 5) one end is slidably engaged, and the main body block (91) of the hinge mounting block (9) is also wound with one end of the left and right guide rods (3) around which the left and right tension springs (4) are wound and before and after One end of the front and rear guide rods (14) of the extension spring (13) is fixedly connected, and the other end of the left and right guide rods (3) and the other end of the front and rear guide rods (14) are respectively connected to the hinge mounting block (9) The additional fixing block (92) fixed to the corresponding side fixing beam (121, 122) is fixedly connected, the left and right slidable clamping positioning block (11) and the front and rear slidable clamping positioning block (5) and The left and right guide grooves (10) and the front and rear guide grooves (7) surround a space of a square cross section, and a positioning hinge shaft (8) fixedly disposed at one end of the exhaust heat sink device (2) is accommodated in the space, The cross section of the positioning hinge shaft (8) has an axis of symmetry in the front-rear direction and an axis of symmetry in the left-right direction, and two circular arc lines (81, 82) symmetrical with respect to the axis of symmetry about the front-rear direction and the two segments The circular arc lines (81, 82) are composed of two circular arc lines (83, 84) having the same curvature and symmetric about the axis of symmetry of the left and right directions; the exhaust heat dissipating plate device (2) includes respectively disposed at the positioning a top plate and a bottom plate at upper and lower ends of the hinge shaft (8) extending in the up and down direction to the top plate and the bottom portion Separating plates (28) between the plates to thereby divide the exhaust fin device (2) into two front and rear portions (21, 29), respectively located in the front and rear portions and also extending in the up and down direction a fan mounting riser (291, 211) between the top and bottom panels, and a front fan set (17) and a rear fan set respectively located between the front and rear portions and mounted between the respective fan mounting risers ( 171) the front fan group (17) and the rear fan group (171) respectively include a plurality of fans distributed in the up and down direction; the exhaust heat dissipation at each of the two sides of the electrical cabinet device An airflow intercommunication space (15) is provided between the plate device (2) and the corresponding side fixing beams (121, 122), the fan being capable of passing hot gases from the electrical device (18, 19) via the side The beam gap of the fixed beam, the airflow intercommunication space (15), and the vertical plate gap near the fan mounting riser (291, 211) are discharged.
The electrical cabinet device according to claim 1, wherein in the working state, the exhaust heat dissipating device (2) is slidable on the left and right slidable clamping positioning blocks (11) and front and rear. The clamping positioning block (5) realizes positioning and locking under the clamping of the positioning hinge shaft (8), thereby ensuring that the fan of the exhaust heat dissipating device (2) is close to the corresponding airflow intercommunication space (15) When the maintenance state is to be entered, the exhaust heat dissipating device (2) rotates relative to the cabinet back plate (12), the left and right slidable clamping positioning block (11) and the front and rear slidable clips a tight positioning block (5) is opened by a corner of the positioning hinge shaft (8) to allow rotation of the exhaust heat sink device (2), and the exhaust heat sink device (2) is in a left-right direction In the open position, positioning and locking are also achieved under the clamping action of the positioning hinge shaft (8) on the left and right slidable clamping positioning block (11) and the front and rear slidable clamping positioning block (5). In order to facilitate maintenance of the electrical cabinet device.
An electrical cabinet device according to claim 1 or 2, characterized in that the front end of the front and rear guide grooves (7) is provided with a first elastic pressing member (71) for facing the positioning hinge shaft (8). The ground is pressed against one end of the front and rear slidable clamping positioning block (5), and the right end of the left and right guiding grooves (10) is provided with a second elastic pressing element (101) for articulating toward the positioning The shaft (8) is pressed against one end of the left and right slidable clamping positioning block (11).