CN109818269B - A switch cabinet and its cabinet - Google Patents

Abstract

The invention relates to a switch cabinet and a cabinet body thereof. The switch cabinet includes a cabinet body, the cabinet body includes a cable room, the cable room includes left and right side panels and a rear side panel, the side panels of the cable chamber are installed with lighting components, and the rear side panels are installed with lighting The light switch, the light switch includes a transmission piece mounted on the rear side plate, one end of the transmission piece located on the inner side of the rear side plate is connected with a switch paddle used to toggle the switch contact of the lighting assembly, and the transmission piece is located on the rear side plate One end of the outer side is provided with a switch handle, and the transmission member and the paddle are made of flame-retardant materials. When the switch cabinet of the present invention is used, the transmission member can be driven by the handle outside the switch cabinet, and since the transmission member and the paddle are made of flame-retardant materials, once the arc fault occurs in the switch cabinet, the arc will not ignite the transmission member and the dial. Therefore, the arc can be effectively organized inside the switchgear, so as to prevent the arc from leaking out of the switchgear and causing damage to the surrounding electrical components or operators.

Description

A switch cabinet and its cabinet

technical field

The invention specifically relates to a switch cabinet and a cabinet body thereof.

Background technique

When a fault occurs inside the switch cabinet, arc fault combustion will produce arc effects (including pressure effects, thermal effects, radiation effects, and sound effects). The high energy of the arc effect can not only damage the switchgear, but also cause injury to nearby workers. The switchgear manufacturers have taken various measures to strengthen the switchgear to protect the switchgear from arcing faults. However, most manufacturers often ignore the contradiction between the cable room lighting device and the internal arc fault protection in the design. When an arc fault occurs in the switch cabinet, the thermal effect and pressure effect are enough to melt and destroy the lighting device, so that the arc energy is released from the rear of the cabinet, which cannot meet the requirements of IAC-level switchgear and control equipment.

In view of the above problems, Chinese patent CN201475786U discloses a switch cabinet cable room lighting device, which includes a fixed frame body, a transparent cover and a device panel. One side of the fixed frame body is fastened to the cabinet body, and the front side of the fixed frame is concave. A device panel is arranged at the device panel, and the right side of the device panel is connected with a transparent cover to form a hollow inner cavity. The switch cabinet lighting device can prevent the arc from rushing out of the cabinet to a certain extent, but the switch is a plastic button. When an arc occurs in the switch cabinet, the plastic switch is likely to be ignited and destroyed, resulting in the release of pressure in the switch cabinet. Threats to the safety of people outside the cabinet.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a switch cabinet body, which avoids the harm caused by the leakage of arc faults in the switch cabinet; the purpose of the present invention is also to provide a switch cabinet using the above switch cabinet body.

In order to achieve the above purpose, the switchgear cabinet body of the present invention includes a cable compartment, the cable compartment includes left and right side panels and a rear side panel, the side panel of the cable compartment is provided with a lighting assembly, and the rear side panel is installed. There is a light switch, and the light switch includes a transmission member that is mounted on the rear side plate, and one end of the transmission member located on the inner side of the rear side plate is connected with a switch paddle used to toggle the switch contact of the lighting assembly, and the transmission member is located at the rear. A switch handle is provided at one end of the outer side of the side plate, and the transmission member and the paddle are made of flame-retardant materials.

When the switch cabinet uses the cabinet of the present invention, the transmission member can be driven by the handle outside the switch cabinet, and the transmission member drives the paddle to toggle the switch contact on the lighting assembly to control the switch of the lighting lamp. It is a flame retardant material. Once an arc fault occurs in the switch cabinet, the arc will not ignite the transmission parts and paddles, thus effectively preventing the arc from inside the switch cabinet, preventing the arc from leaking out of the switch cabinet to surrounding electrical components or injury to the operator.

As a further improvement of the present invention, a further problem to be solved by the present invention is to control the lighting switch by rotating outside the cabinet. Therefore, for the above-mentioned switchgear cabinet, the transmission member can be set to rotate a shaft mounted on the mounting plate, and the switch paddle can switch the lighting assembly by rotating. Therefore, when the switch cabinet body of the present invention is used, the lighting switch can be rotated and controlled outside the cabinet body.

As a further improvement of the above-mentioned switchgear cabinet of the present invention, the rotating shaft is rotated and mounted on the rear side plate through a shaft sleeve, the shaft sleeve is connected to the rear side plate by screws, and the rotating shaft is fixedly installed with a limit extending along the radial direction of the rotating shaft. The screw and the limit piece are blocked and cooperated in the circumferential direction to realize the limit of the circumferential rotation of the rotating shaft. The setting of the shaft sleeve realizes that the rotating shaft is rotatably installed on the rear side plate, and the setting of the limit piece plays a role in limiting the rotation angle of the rotating shaft.

As a further improvement of the above-mentioned switchgear cabinet of the present invention, there are two screws, and the two positions where the limit piece and the two screws stop and cooperate respectively correspond to the open position and the closed position of the lighting assembly. The rotating shaft is limited in the open position and the closed position, which is beneficial for the rotating shaft to quickly control the light switch.

Four technical solutions are provided above, and further improvements are made on this basis, and the limiting piece is set in a fan shape. The fan-shaped limit piece realizes the rotation of the shaft between the open position and the closed position.

For the switchgear cabinet of the present invention, an opening can also be provided on the rear side plate corresponding to the lighting lamp, and the rear side plate is connected with a positioning plate spaced parallel to it at the edge of the opening, and a sliding plate is formed between the positioning plate and the rear side plate. The chute is slidably fitted with an access door that blocks and clears the opening. When the lamp fails, the setting of the inspection door facilitates the inspection of the lamp.

For the further improvement of the switchgear cabinet body with the access door of the present invention, the access door is provided with a locking lug for locking with the rear side panel extending toward the outside of the opening. Lock ears are arranged on the inspection door, and the inspection door and the rear side panel are locked together by the lock ears during use, which avoids the leakage of the arc and reduces the leakage of the arc caused by the operator opening the inspection door by mistake. risks of.

The switch cabinet of the present invention includes a switch cabinet body and components installed in the cabinet. The switch cabinet body includes a cable room, and the cable room includes left and right side plates and a rear side plate, and the side plates of the cable room are installed with Lighting lamp assembly, a lighting light switch is installed on the rear side plate, the lighting lamp switch includes a transmission member mounted on the rear side plate, and one end of the transmission member located on the inner side of the rear side plate is connected with a switch for toggling the lighting lamp assembly The switch paddle of the contact has a switch handle at one end of the transmission member located on the outer side of the rear side plate, and the transmission member and the paddle are made of flame-retardant materials.

When the switch cabinet of the present invention is used, the transmission member can be driven by the handle outside the switch cabinet, and the transmission member drives the paddle to toggle the switch contact on the lighting assembly to control the switch of the lighting lamp. Combustion material, once an arc fault occurs in the switchgear, the arc will not ignite the transmission parts and paddles, so as to effectively organize the arc inside the switchgear and prevent the arc from leaking out of the switchgear to surrounding electrical components or operators. cause some damages.

As a further improvement of the present invention, a further problem to be solved by the present invention is to control the lighting switch by rotating outside the cabinet. Therefore, for the above-mentioned switchgear cabinet, the transmission member can be set to rotate a shaft mounted on the mounting plate, and the switch paddle can switch the lighting assembly by rotating. Therefore, the switch cabinet body of the present invention can be rotated to control the lighting switch when in use.

As a further improvement of the above-mentioned switch cabinet of the present invention, the rotating shaft is rotated and mounted on the rear side plate through a shaft sleeve, the shaft sleeve is connected to the rear side plate by screws, and a limit piece extending radially along the rotating shaft is fixedly installed on the rotating shaft. The screw and the limit piece are blocked and matched in the circumferential direction to realize the limit of the circumferential rotation of the rotating shaft. The provision of the shaft sleeve solves the problem that the rotating shaft is installed on the rear side plate, and the limit piece plays a role in limiting the rotation angle of the rotating shaft.

Description of drawings

Fig. 1 is the structural schematic diagram of the cabinet of Embodiment 1 of the switchgear of the present invention;

FIG. 2 is a schematic diagram of the installation position of the lighting assembly in the cabinet of Embodiment 1 of the switchgear of the present invention;

Fig. 3 is a left side view at A in Fig. 2;

Figure 4 is a front view of the connection between the lighting assembly and the right side plate;

Figure 5 is a top view of the connection between the lighting assembly and the right side plate;

Figure 6 is a side view of the lighting lamp;

Fig. 7 is the bottom plate view of illuminating lamp;

Figure 8 is a three-dimensional view of the lighting lamp;

Fig. 9 is the front view of the lamp mounting plate;

Figure 10 is a side view of the lighting installation plate;

Figure 11 is a top view of the lighting installation plate;

Figure 12 is a schematic structural diagram of a lamp replacement mechanism;

13 is a schematic structural diagram of the positioning frame in FIG. 12;

Figure 14 is a side view of the positioning frame in Figure 12;

Figure 15 is a schematic structural diagram of the access door in Figure 12;

Figure 16 is an exploded view of the lighting control mechanism;

17 is a schematic structural diagram of a lighting control mechanism;

Figure 18 is a three-dimensional view of the lighting control mechanism;

FIG. 19 is a schematic structural diagram of the rotating shaft in FIG. 16;

FIG. 20 is a schematic structural diagram of the limiting piece in FIG. 16;

Figure 21 is a three-dimensional view of the bushing in Figure 16;

Figure 22 is a top view of the bushing in Figure 16;

FIG. 23 is a schematic structural diagram of the rotating shaft limiting sleeve in FIG. 16;

In the drawings: 1. Cabinet body; 11. Right side panel; 2. Rear side panel; 3. Lighting lamp assembly; 31. Lighting lamp; 32. Lighting lamp mounting plate; 4. Lighting lamp replacement mechanism; 41. Positioning frame ;42, access door; 5, lighting control mechanism; 51, handle; 52, shaft; 53, limit piece; 54, positioning screw; 55, shaft sleeve; 56, shaft limit sleeve; 57, paddle; 58 , Limit nails.

Detailed ways

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

The specific embodiment 1 of the switch cabinet of the present invention, as shown in FIGS. 1 to 23 , includes a cabinet body 1, and the cabinet body is divided into an instrument room, a circuit breaker room and a cable room. A light assembly is installed in the cable compartment. The cable compartment in this embodiment includes a left side plate and a right side plate 11 , and a rear side plate is threadedly connected to the left side plate and the right side plate 11 . In this embodiment, the lighting lamp assembly 3 is mounted on the right side panel of the cable compartment. In other embodiments, the lighting lamp assembly 3 may also be mounted on the left side panel or the rear side panel.

The illuminating lamp assembly 3 in this embodiment includes an illuminating lamp mounting plate 32 on which an illuminating lamp is mounted. The lighting lamp 31 is a structure with a rectangular body at the lower end and a semi-cylindrical body at the upper end. The lighting lamp mounting plate 32 is an L-shaped plate, the horizontal plate of the lighting lamp mounting plate 32 has a rectangular hole which is matched with the lower end of the mounting lighting lamp 31, and the vertical plate of the L-shaped lighting lamp mounting plate 32 has two holes for Fixing hole for connection to the right side panel of the cable compartment. The lighting lamp in this embodiment includes a rectangular fixing plate at the lower end, the fixing plate is fixedly connected with a transparent cover, the position where the transparent cover and the fixing plate are connected is located inside the edge of the fixing plate, the transparent cover is provided with a lamp group, and the fixing plate has Buttons to control groups of lights. The illuminating lamp is blocked in the rectangular hole of the illuminating lamp mounting plate 32 by the two ends of the fixing plate, and the fixing plate at the lower end of the illuminating lamp has a pull ring, through which the illuminating lamp can slide in the rectangular hole of the illuminating lamp installation plate 32 .

In order to facilitate the maintenance of the lighting, the position corresponding to the lighting lamp is provided with a lighting fault hole, the lighting fault hole is a rectangular hole, and the edge of the lighting fault hole is fixedly connected with a positioning frame 41, and the positioning frame 41 is a rectangular frame Structure, the positioning frame 41 is located on the side of the rear side panel facing the cabinet, and the positioning frame 41 is located on the inner side panel of the rear side panel to ensure that the positioning frame is not touched or touched. A chute is formed between the positioning frame 41 and the rear side plate, and an inspection door 42 is slidably connected in the chute. The shape of the inspection door 42 is a knife shape. Out of the lamp fault hole. And the knife-shaped access door 42 is provided with a lock lug. When the access door 42 slides to a position that blocks the fault hole of the lighting lamp, the access door 42 can be locked by the lock on the lock lug, so as to prevent the access door 42 from being damaged due to loosening. There is a risk of arc pressure leaking out in the event of slippage that leaks the lamp. When the lighting lamp in the switch cabinet is faulty, the sliding access door 42 allows the fault hole for lighting lamp replacement, so that the lighting lamp can be inspected and replaced.

In this embodiment, a lighting control mechanism 5 is also installed on the rear side panel. The lighting lamp control mechanism 5 includes a handle 51 located on the side of the rear side panel away from the cabinet 2 . The handle 51 is fixedly connected with the rotating shaft 52 , and the rotating shaft 52 The shaft sleeve 55 is rotated and mounted on the rear side plate, and the end of the rotating shaft 52 located on the other side of the rear side plate is connected with a paddle 57 . The handle 51 and the rotating shaft 52 are fixedly connected by a limit pin 58 . The shaft sleeve 55 is connected to the rear side plate by the positioning screw 54, and the limit piece 53 extending radially along the rotation shaft 52 is fixedly installed on the rotating shaft 52. Circumferential rotation limit. The limiting piece 53 is fan-shaped, and the end of the shaft sleeve 55 away from the connection with the rotating shaft 52 is connected with a rotating shaft limiting sleeve 56 . When in use, the handle 51 rotates to drive the shaft 52 to rotate, and the shaft 52 is transmitted to the switch paddle 57. The switch paddle 57 can turn on and off the lighting by rotating and hitting the button on the lighting assembly.

When the switchgear of the present invention is used, first install electrical components and cables into the switchgear cabinet, then install the lighting assembly 3 on the right panel 11 of the cable compartment, and finally install the rear panel on the cabinet 1 . On the outside of the cabinet 1 , the rotating shaft 52 is driven to rotate by the rotating handle 51 , and the rotating shaft 52 drives the paddle 57 to rotate to realize the operation of turning on or off the lighting lamp 31 . When the lighting lamp 31 in the cabinet is faulty, the lock on the inspection door 42 is opened, the inspection door 42 is slid, and the fault lighting lamp 31 is inspected.

In the specific embodiment 2 of the switch cabinet of the present invention, the rotating shaft in this embodiment is also replaced by a top rod, and the top rod can slide back and forth inside and outside the switch cabinet through a guide sleeve arranged on the rear side plate. When in use, the light switch is controlled by the switch paddle on the top rod or by top pressure. Others are the same as those in Embodiment 1, and are not repeated here.

The switchgear cabinet of the present invention has the same structure as the switchgear cabinet in the switchgear in the above embodiment, and will not be repeated.

Claims (6)

1. A switchgear cabinet, characterized in that it comprises a cable room, the cable room includes left and right side panels and a rear side panel, a lighting assembly is installed on the side panel of the cable chamber, and the rear side panel is A light switch is installed, and the light switch includes a transmission member that is mounted on the rear side plate, and one end of the transmission member located on the inner side of the rear side plate is connected with a switch paddle used to toggle the switch contact of the lighting assembly, and the transmission member is located in the rear side plate. The outer end of the rear side plate is provided with a switch handle, and the transmission member and the paddle are made of flame-retardant materials; the transmission member is a rotating shaft that is rotated and mounted on the rear side plate, and the switch paddle is rotated to toggle the lighting assembly. switch; the shaft is rotated and mounted on the rear side plate through the shaft sleeve, the shaft sleeve is connected to the rear side plate by screws, the limit piece extending radially along the shaft is fixedly installed on the rotating shaft, and the screw and the limit piece are in the circumferential direction The upper stop cooperates to limit the circumferential rotation of the rotating shaft. 2 . The switchgear cabinet according to claim 1 , wherein there are two screws, and the two positions where the limit piece and the two screws stop and cooperate respectively correspond to the open position and the closed position of the lighting assembly. 3 . 3 . The switchgear cabinet according to claim 2 , wherein the limiting piece is a fan-shaped piece. 4 . 4. The switchgear cabinet according to claim 1, characterized in that: the rear side plate corresponding to the lighting lamp is provided with an opening, and the rear side plate is connected with a positioning plate spaced parallel to it at the edge position of the opening. A chute is formed between the rear side plate and the chute, and an access door for blocking and allowing the opening is slidably fitted in the chute. 5 . The switchgear cabinet according to claim 4 , wherein a locking lug for locking with the rear side plate extends to the outside of the opening on the access door. 6 . 6. A switch cabinet, comprising a cabinet body and components installed in the cabinet, characterized in that: the switch cabinet body includes a cable room, and the cable room includes left and right side panels and rear side panels, and the cable room A light assembly is installed on the side plate of the rear side plate, and a light switch is installed on the rear side plate. The light switch includes a transmission part that is mounted on the rear side plate, and one end of the transmission part located on the inner side of the rear side plate The switch paddle of the switch contact of the moving lighting assembly, the end of the transmission member located on the outer side of the rear side plate is provided with a switch handle, and the transmission member and the paddle are made of flame retardant material; The rotating shaft on the side plate, the switch paddle is turned to toggle the switch of the lighting assembly; the rotating shaft is rotated and mounted on the rear side plate through the shaft sleeve, the shaft sleeve is connected to the rear side plate by screws, and the rotating shaft is fixedly installed with a diameter along the rotating shaft. A limit piece extending in the direction of the screw and the limit piece in the circumferential direction to stop and cooperate to realize the limit of the circumferential rotation of the rotating shaft.

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