CN211879857U

CN211879857U - Direct current control cabinet of vehicle braking energy feedback device

Info

Publication number: CN211879857U
Application number: CN202020645029.6U
Authority: CN
Inventors: 葛进; 卡格德尔·鲁卡; 张欢; 周立明; 张玉平; 杨军; 叶劲松; 彭秋波; 徐浩
Original assignee: Zhuzhou CRRC Times Electric Co Ltd
Current assignee: Zhuzhou CRRC Times Electric Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-11-06
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a direct current control cabinet of vehicle braking energy feedback device, which comprises a cabinet body and a control room, wherein a supporting component is arranged below the front part of the cabinet body, the control room is positioned in the cabinet body and is arranged on the supporting component, the periphery of the control room is connected with the cabinet body through a fastener, and the front side of the control room is open; the interior of the cabinet body is divided into a primary cavity and a secondary cavity positioned in the control chamber through the control chamber, and the primary cavity and the secondary cavity are arranged along the front and back directions of the cabinet body; the cabinet body is located form the inlet wire chamber under the control room, the inlet wire chamber with be provided with the line hole between the control room, the inlet wire chamber with be provided with first baffle between the primary chamber. The utility model has the advantages of effectively avoid once the strong electricity to secondary control signal's interference, promote overall reliability, security and operability.

Description

Direct current control cabinet of vehicle braking energy feedback device

Technical Field

The utility model relates to a rail transit technical field refers in particular to a vehicle braking energy feedback device's direct current switch board.

Background

The subway vehicle braking energy feedback device mainly comprises a direct current control cabinet, a converter cabinet and a transformer, wherein the direct current control cabinet plays a role in integrating a device control and protection system in the whole energy feedback device. Because the existing direct current control cabinet structure (as shown in fig. 1) is that secondary devices are arranged in front and rear independent front and rear small chambers at the upper part of a cabinet body, wiring of the devices between the front small chamber and the rear small chamber inevitably passes through a primary chamber, particularly a display screen and a button on the front door of the cabinet body are completely exposed in the primary chamber, secondary weak current signals are easily interfered, the problems of dead halt of the display screen, insensitive control system and the like are caused in serious cases, and the reliability of the whole equipment is low. Meanwhile, secondary devices in the existing structure are distributed in front and rear small chambers at the upper part of the cabinet body, and the problems of low safety, inconvenience in operation and the like caused by exposure of a primary chamber during operation also exist.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: technical problem to prior art exists, the utility model provides an effectively avoid once strong electricity to secondary control signal's interference, promote the vehicle braking energy feedback device's of whole reliability, security and operability DC control cabinet.

In order to solve the technical problem, the utility model provides a technical scheme does:

a direct current control cabinet of a vehicle braking energy feedback device comprises a cabinet body and a control chamber, wherein a support assembly is arranged below the front part of the cabinet body, the control chamber is positioned in the cabinet body and is arranged on the support assembly, the peripheral side of the control chamber is connected with the cabinet body through a fastener, and the front side of the control chamber is open; the interior of the cabinet body is divided into a primary cavity and a secondary cavity positioned in the control chamber through the control chamber, and the primary cavity and the secondary cavity are arranged along the front and back directions of the cabinet body; the cabinet body is located form the inlet wire chamber under the control room, the inlet wire chamber with be provided with the line hole between the control room, the inlet wire chamber with be provided with first baffle between the primary chamber.

As a further improvement of the above technical solution:

the supporting assembly comprises a supporting seat and a supporting beam, the supporting seat is mounted on two sides of the lower portion of the front portion of the cabinet body, two ends of the supporting beam are located on the supporting seat, and the control room is placed on the supporting beam.

The fastener includes the triangle-shaped spare, the week side of control room is installed through the triangle-shaped spare on the skeleton of the cabinet body.

A first wire hole communicated with the primary cavity is formed in the back of the upper part of the control chamber; the top both sides of control room are provided with the second line hole with the external intercommunication of cabinet, the control room is provided with the baffle in the front side in first line hole and second line hole.

Be provided with L shape mounting panel on the inner wall of control room top both sides, one side of L shape mounting panel weld in on the inner wall of control room, the opposite side of L shape mounting panel is provided with the mounting hole, be provided with on the mounting hole and press the rivet nut, the baffle through press the rivet nut install in on the L shape mounting panel.

And a wire binding rod is arranged right below the wire passing hole in the wire inlet cavity and used for binding the cable.

And a heat dissipation hole is formed between the wire inlet cavity and the control room.

The secondary cavity of the control room is divided into a plurality of installation cavities which are sequentially arranged from top to bottom and used for installing the electric elements through the wire slots.

And the top of the secondary cavity is provided with a lighting assembly.

And a three-phase isolation transformer, an electric isolation switch and a direct current reactor are sequentially arranged in the primary cavity from top to bottom.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a vehicle braking energy feedback device's direct current switch board adopts the mode that primary chamber and secondary chamber were arranged from beginning to end, makes the secondary device in primary intracavity and the secondary chamber keep apart completely, effectively avoids the strong current of primary device to the interference of secondary weak current signal, improves equipment operational reliability; in addition, when debugging operation is carried out to operating personnel, the cavity does not need to be opened once, so that live-line operation is met, and the safety and the convenience of equipment operation are effectively improved.

Drawings

Fig. 1 is a schematic structural layout diagram of a dc feed control cabinet in the prior art.

Fig. 2 is a schematic structural view of the present invention in a front view according to an embodiment of the present invention.

Fig. 3 is a schematic side view of the embodiment of the present invention.

Fig. 4 is a schematic perspective view of the control room according to the embodiment of the present invention.

Fig. 5 is a schematic layout diagram of each device in the control room of the present invention.

Fig. 6 is a schematic layout diagram of each device in a primary cavity of the present invention.

The reference numbers in the figures denote: 1. a cabinet body; 101. a primary cavity; 102. a secondary cavity; 103. a wire inlet cavity; 104. a first separator; 105. a fan; 2. a control room; 201. a first wire hole; 202. a second wire hole; 203. a baffle plate; 204. an L-shaped mounting plate; 205. heat dissipation holes; 206. a wire slot; 207. a second separator; 208. a wire passing hole; 3. a support assembly; 301. a supporting seat; 302. a support beam; 4. a fastener; 5. a wire binding rod; 6. a lighting assembly; 7. a three-phase isolation transformer; 8. an electric disconnecting switch; 9. a direct current reactor.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments.

As shown in fig. 2 to 4, the dc control cabinet of the vehicle braking energy feedback device of the embodiment includes a cabinet body 1 and a control room 2, a support component 3 is disposed below the front portion of the cabinet body 1, the control room 2 is located inside the cabinet body 1 and is mounted on the support component 3, the front side of the control room 2 is open, and the periphery (including two sides and top side) of the control room 2 is connected with the cabinet body 1 through a fastener 4; the interior of the cabinet body 1 is divided into a primary cavity 101 positioned at the rear side of the cabinet body 1 and a secondary cavity 102 positioned in the control chamber 2 at the front side of the cabinet body 1 through the control chamber 2; the cabinet body 1 is located under the control room 2 to form an inlet wire cavity 103, a wire passing hole 208 is arranged between the inlet wire cavity 103 and the control room 2, a first partition plate 104 is arranged between the inlet wire cavity 103 and the primary cavity 101, and the primary cavity 101 and the secondary cavity 102 are further isolated. The utility model discloses a vehicle braking energy feedback device's direct current switch board adopts the mode that primary chamber 101 and secondary chamber 102 arrange from beginning to end, makes the complete isolation of primary device in the primary chamber 101 and the secondary device in the secondary chamber 102, effectively avoids the strong current of primary device to the interference of secondary weak current signal, improves equipment operational reliability; in addition, when debugging operation is carried out to operating personnel, the primary cavity 101 does not need to be opened, live-line operation is met, and the safety and the convenience of equipment operation are effectively improved.

In this embodiment, the supporting assembly 3 includes a supporting base 301 and a supporting beam 302, the supporting base 301 is installed at two sides of the lower portion of the front portion of the cabinet 1, two ends of the supporting beam 302 are located on the supporting base 301, and the control room 2 is placed on the supporting beam 302. The fastening member 4 includes a triangular member, and the periphery of the control room 2 is attached to the frame of the cabinet 1 by the triangular member. The reliable connection between the control room 2 and the cabinet body 1 can be ensured through the structure of the supporting component 3 and the triangle.

In this embodiment, be provided with second baffle 207 between inlet wire chamber 103 and the control room 2, realize the isolation between control room 2 and the inlet wire chamber 103, wherein be equipped with louvre 205 on the second baffle 207, also be equipped with louvre 205 at the top of control room 2 in addition, be equipped with fan 105 at the middle top of primary chamber 101, guarantee the heat dissipation demand in control room 2 and the primary chamber 101. In addition, a binding rod 5 is arranged right below the wire passing hole 208 of the wire inlet cavity 103 and used for binding cables entering the control room 2 through the bottom of the cabinet body 1.

As shown in fig. 4, in the present embodiment, the upper back surface of the control chamber 2 is provided with a first line hole 201 communicating with the primary chamber 101; the second wire holes 202 communicated with the outside of the cabinet body 1 are arranged on two sides of the upper portion of the control chamber 2, and a baffle plate 203 is arranged on the front side of the first wire hole 201 and the front side of the second wire hole 202 of the control chamber 2 and used for shielding components such as plugs and sockets and protecting the safety of operation, as shown in fig. 2. Specifically, be provided with L shape mounting panel 204 on the inner wall of control room 2 top both sides, one side of L shape mounting panel 204 welds on the inner wall of control room 2, and the opposite side of L shape mounting panel 204 is provided with the mounting hole, is provided with the pressure rivet nut on the mounting hole, and baffle 203 is installed on L shape mounting panel 204 through the pressure rivet nut. Through above-mentioned structure make the line of walking between the secondary device not pass through primary chamber 101, instrument, touch-sensitive screen, button, display lamp etc. no longer expose under the forceful electric power environment on the qianmen, effectively avoid once strong electricity to the interference of secondary weak current signal, improve the reliability of equipment work. Of course, in other embodiments, to further avoid interference of the secondary devices by strong electricity, each side plate of the control room 2 takes the form of an electromagnetic shield plate.

As shown in fig. 5, in the present embodiment, the secondary cavity 102 of the control room 2 is divided into a plurality of mounting cavities for mounting electrical components, which are arranged in sequence from top to bottom, by wire slots 206; the top of the secondary cavity 102 is provided with a lighting assembly 6 (such as an LED lamp), aviation plugs are symmetrically installed below the LED lamp, secondary control wires from a converter cabinet and the like are connected with the aviation plugs through second wire holes 202, the descending area of the aviation plugs is a secondary device installation area, and the secondary device installation area is divided into a plurality of parts by a wire groove 206 and can be used for installing guide rail installation type devices and bolt installation type devices. An external connection terminal is installed below the control room 2, and the connection wire of the external connection terminal passes through the wire passing hole 208 and is fixed by the wire binding rod 5 to be connected with the outside.

As shown in fig. 6, in this embodiment, the primary cavity 101 is sequentially provided with the three-phase isolation transformer 7, the electric isolation switch 8 and the dc reactor 9 from top to bottom, and the components are connected by copper bars, so that the structure is simple and compact, and the arrangement is reasonable.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. The direct-current control cabinet of the vehicle braking energy feedback device is characterized by comprising a cabinet body (1) and a control room (2), wherein a supporting component (3) is arranged below the front part of the cabinet body (1), the control room (2) is positioned in the cabinet body (1) and is installed on the supporting component (3), the peripheral side of the control room (2) is connected with the cabinet body (1) through a fastening piece (4), and the front side of the control room (2) is open; the interior of the cabinet body (1) is divided into a primary cavity (101) and a secondary cavity (102) located in the control chamber (2) through the control chamber (2), and the primary cavity (101) and the secondary cavity (102) are arranged along the front-back direction of the cabinet body (1); the cabinet body (1) is located form inlet wire chamber (103) under control room (2), inlet wire chamber (103) with be provided with between control room (2) and cross line hole (208), inlet wire chamber (103) with be provided with first baffle (104) between primary chamber (101).

2. The DC control cabinet of vehicle braking energy feedback device according to claim 1, wherein the supporting assembly (3) comprises a supporting base (301) and a supporting beam (302), the supporting base (301) is installed at two lower sides of the front portion of the cabinet body (1), two ends of the supporting beam (302) are located on the supporting base (301), and the control room (2) is placed on the supporting beam (302).

3. The DC control cabinet of the vehicle braking energy feedback device according to claim 2, wherein the fastening member (4) comprises a triangle, and the peripheral side of the control chamber (2) is mounted on the framework of the cabinet body (1) through the triangle.

4. The DC control cabinet of vehicle braking energy feedback device according to claim 1, 2 or 3, characterized in that the upper back of the control room (2) is provided with a first wire hole (201) communicated with the primary cavity (101); the utility model discloses a cabinet, including control room (2), the top both sides of control room (2) are provided with second line hole (202) with the outside intercommunication of the cabinet body (1), control room (2) are provided with baffle (203) in the front side of first line hole (201) and second line hole (202).

5. The direct current control cabinet of the vehicle braking energy feedback device according to claim 4, wherein the inner walls of two sides above the control room (2) are provided with L-shaped mounting plates (204), one sides of the L-shaped mounting plates (204) are welded on the inner walls of the control room (2), the other sides of the L-shaped mounting plates (204) are provided with mounting holes, the mounting holes are provided with rivet pressing nuts, and the baffle plates (203) are mounted on the L-shaped mounting plates (204) through the rivet pressing nuts.

6. The DC control cabinet of the vehicle braking energy feedback device according to claim 1, 2 or 3, wherein a binding rod (5) is arranged in the wire inlet cavity (103) right below the wire through hole (208) for binding the cable.

7. The DC control cabinet of vehicle braking energy feedback device according to claim 1, 2 or 3, characterized in that a heat dissipation hole (205) is arranged between the inlet wire cavity (103) and the control room (2).

8. The DC control cabinet for vehicle braking energy feedback device according to claim 1, 2 or 3, wherein the secondary cavity (102) of the control room (2) is divided into a plurality of installation cavities for installing electrical components, which are arranged in sequence from top to bottom, by a wire duct (206).

9. The DC control cabinet for a vehicle braking energy feedback device according to claim 1, 2 or 3, wherein a lighting assembly (6) is disposed on the top of the secondary cavity (102).

10. The DC control cabinet of the vehicle braking energy feedback device according to claim 1, 2 or 3, wherein the primary cavity (101) is provided with a three-phase isolation transformer (7), an electric isolation switch (8) and a DC reactor (9) in sequence from top to bottom.