CN211428635U - High-voltage board with safety inspection hole - Google Patents

Abstract

The utility model relates to the field of high-voltage cabinets, in particular to a high-voltage cabinet with a safety inspection port, comprising a cabinet body and a control bin arranged above the cabinet body. There is a cabinet door, and the middle part of the cabinet door is provided with an inspection port; the cabinet door is provided with a fixing frame, and the fixing frame has a square structure with a groove on one side, and the inner wall of the groove is provided with a square structure. The sliding slot cooperates with the sliding block to slide, the middle part of the sliding block is provided with an observation port, and the observation port is provided with a transparent glass slide. The utility model can observe the operation of the high-voltage cabinet under safe conditions through the transparent paddles on the observation port, and at the same time, through the inspection port, the maintenance can be carried out without opening the cabinet door, and observation and monitoring can be carried out without opening the cabinet door. Maintenance work is very convenient to improve the work efficiency of the staff.

Description

A high-voltage cabinet with a safety inspection port

technical field

The utility model relates to the field of high-voltage cabinets, in particular to a high-voltage cabinet with a safety inspection port.

Background technique

The high and low voltage switchgear is a kind of electrical equipment. The outside line first enters the main control switch in the cabinet, and then enters the sub-control switch, and each sub-circuit is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc., and some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc. load shedding.

The high-voltage cabinet is dangerous, and the cabinet door must be kept locked. When it is necessary to observe whether the operation of the high-voltage cabinet is normal, the locked cabinet door needs to be opened; and during maintenance, sometimes it is only some simple maintenance work. Cabinet doors are very troublesome and affect work efficiency.

Based on the above reasons, the present invention proposes a high-voltage cabinet with a safety inspection port, which can facilitate the staff to observe the operation in the high-voltage cabinet, and at the same time, can perform maintenance without opening the cabinet door.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a high-voltage cabinet with a safety inspection port, which can facilitate the staff to observe the operation in the high-voltage cabinet, and at the same time, can perform maintenance without opening the cabinet door.

In order to realize the purpose of the present utility model, the technical scheme adopted by the present utility model is:

The utility model discloses a high-voltage cabinet with a safety inspection port, comprising a cabinet body and a control bin arranged above the cabinet body. The middle part of the cabinet door is provided with an inspection opening; the cabinet door is provided with a fixing frame, and the fixing frame has a square structure with a groove on one side, and the inner wall of the groove is provided with a sliding block to cooperate with the sliding block. The slide slot is provided with an observation port in the middle of the slider, and a transparent glass slide is provided on the observation port.

The cross-sectional shape of the groove matches the cross-sectional shape of the access opening.

The outer end of the slider is provided with a limit block, and the width of the limit block is larger than that of the slider.

The inner bottom of the left inner wall of the fixing frame is provided with an automatic limiting mechanism that matches and engages with the first limiting groove on the outer wall of the left end of the slider, and the automatic limiting mechanism includes a limiting member, A second limiting groove is provided on the inner bottom of the left inner wall of the groove to match the cross-sectional shape of the limiting member, and a number of compression springs are arranged in the second limiting groove, and one end of the compression spring is fixed to the The bottom of the second limiting slot, the other end is connected to the top of the limiting piece, the depth of the second limiting slot is greater than the maximum height of the limiting piece; the initial length of the compression spring is smaller than the length of the first limiting piece The depth of the two limiting slots; the upper part of the limiting piece is a square structure, the lower part is a circular arc structure, and the lower part of the limiting piece is matched and engaged with the first limiting slot.

A cover plate is provided outside the fixing frame, and the left side wall of the cover plate is hinged to the cabinet door.

The two sides of the observation port are provided with fixing blocks for fixing the glass picks. The fixing block is in the form of an annular structure, and its inner diameter is smaller than the outer diameter of the observation port, and its outer diameter is larger than the outer diameter of the observation port. The outer edge of the fixing block is provided with bolt holes for bolts to pass through, and the slider is provided with mounting holes matched with the bolt holes.

The beneficial effects of the present utility model are:

(1) The utility model can observe the operation of the high-voltage cabinet under safe conditions through the transparent paddle on the observation port, and at the same time, through the inspection port, the maintenance can be carried out without opening the cabinet door, without opening the cabinet door. It is very convenient to carry out observation and maintenance work, which is very convenient to improve the work efficiency of the staff.

(2) The utility model ensures that the sliding block does not move unexpectedly by setting an automatic limiting mechanism, resulting in the accidental opening of the inspection port.

Description of drawings

Fig. 1 is the structural representation when the inspection port is opened in the present utility model;

Fig. 2 is the structural schematic diagram of the utility model when the inspection port is closed;

FIG. 3 is a cross-sectional view of the automatic limiting mechanism in the present invention.

In the picture: 1 cabinet, 2 control compartment, 3 cabinet doors, 4 inspection openings, 5 fixed frame, 6 chute, 7 slider, 8 automatic limit mechanism, 81 limit piece, 82 second limit slot, 83 Compression spring, 9 observation port, 10 limit block, 11 first limit groove, 12 cover plate, 13 fixed block.

Detailed ways

The utility model is further described below:

See Figure 1-3,

The utility model discloses a high-voltage cabinet with a safety inspection port, comprising a cabinet body 1 and a control bin 2 arranged above the cabinet body 1 . There is a cabinet door 3, the middle of the cabinet door 3 is provided with an inspection port 4; the cabinet door 3 is provided with a fixing frame 5, and the fixing frame 5 has a square structure with a groove on one side, and the groove The inner side of the inner wall is provided with a chute 6 that cooperates with the sliding block 7, the middle part of the sliding block 7 is provided with an observation port 9, and a transparent glass slide is provided on the observation port 9. The transparent paddle can observe the operation of the high-voltage cabinet under safe conditions. At the same time, the inspection port 4 faces the working position that often needs to be repaired. When there is a problem in the working position, the inspection can be carried out without opening the cabinet door. , the observation and maintenance work can be carried out without opening the cabinet door, which is very convenient to improve the work efficiency of the staff.

The cross-sectional shape of the groove matches and coincides with the cross-sectional shape of the access port 4 to ensure that the access port 4 is utilized to the maximum.

The outer end of the sliding block 7 is provided with a limiting block 10 , and the width of the limiting block 10 is greater than the width of the sliding block 7 , which is convenient for the user to open and close the inspection port 4 .

The inner bottom of the left inner wall of the fixing frame 5 is provided with an automatic limiting mechanism 8 that matches and engages with the first limiting groove 11 on the outer wall of the left end of the slider 7 . The automatic limiting mechanism 8 includes The limiting member 81, the second limiting groove 82 arranged in the bottom of the inner side of the left inner wall of the groove to match the cross-sectional shape of the limiting member 81, and a plurality of compression springs 83 arranged in the second limiting groove 82, One end of the compression spring 83 is fixed to the bottom of the second limiting slot 82 , and the other end is connected to the top of the limiting member 81 . The depth of the second limiting slot 82 is greater than that of the limiting member 81 . Maximum height; the initial length of the compression spring 83 is less than the depth of the second limit groove 82 ; the upper part of the limiter 81 is a square structure, the lower part is a circular arc structure, and the lower part of the limiter 81 It matches and engages with the first limit slot 11. When the inspection port 4 needs to be closed, move the slider 7 to the left. When the first limit slot 11 on the slider 7 slides below the automatic limit mechanism 8, The limiting member 81 is reset by the compression spring 83, so that its lower part is matched and engaged with the first limiting groove 11, so as to realize the fixing of the sliding block 7 and ensure that the sliding block 7 does not move accidentally, causing the inspection port 4 to open unexpectedly. , so as to avoid unnecessary danger; when the inspection port 4 needs to be opened, the staff holds the limit block 10 and pulls the slider 7 to the right. Since the lower part of the limit piece 81 is arc-shaped, when the force reaches a certain level, the That is, the limiting member 81 can be contacted and engaged with the first limiting groove 11 , and the maintenance port 4 can be opened by continuing to pull the slider 7 to the right for maintenance work.

The outside of the fixing frame 5 is provided with a cover plate 12 , and the left side wall of the cover plate 12 is hinged to the cabinet door 3 . By setting the cover plate 12 , the safety is further improved to avoid mistakenly opening the inspection port and avoid unnecessary danger.

Both sides of the observation port 9 are provided with fixing blocks 13 for fixing glass picks. The fixing block 13 is in a ring structure, its inner diameter is smaller than the outer diameter of the observation port 9, and its outer diameter is larger than the observation port 9 The outer diameter of the fixed block 13 is provided with bolt holes for bolts to pass through, and the slider 7 is provided with mounting holes matching the bolt holes. It is placed in the observation port 9, and then the fixing block 13 is used to fix and clamp the observation port 9 through bolts and nuts, so as to facilitate the installation and removal of the transparent pick.

The above are only the embodiments of the present utility model, and are not intended to limit the scope of the present utility model patent. All equivalent transformations made by using the contents of the present utility model description and accompanying drawings or directly or indirectly applied in the relevant technical fields are the same. Included in the scope of patent protection of the present invention.

Claims (6)

1. A high-voltage cabinet with a safety inspection port, characterized in that it comprises a cabinet body (1), a control bin (2) arranged above the cabinet body (1), and the cabinet body (1) is hollow in front of The open square structure is provided with a cabinet door (3) at the opening, and an inspection port (4) is arranged in the middle of the cabinet door (3); the cabinet door (3) is provided with a fixed frame (5), so The fixing frame (5) has a square structure with a groove on one side, and the inner wall of the groove is provided with a chute (6) for sliding with the slider (7). An observation port (9) is provided, and a transparent glass slide is provided on the observation port (9). 2 . The high-voltage cabinet with a safety inspection port according to claim 1 , wherein the cross-sectional shape of the groove matches and overlaps with the cross-sectional shape of the inspection port ( 4 ). 3 . 3. A high-voltage cabinet with a safety inspection port according to claim 2, characterized in that: a limit block (10) is provided at the outer end of the slider (7), and the width of the limit block (10) is greater than the width of the slider (7). 4. A high-voltage cabinet with a safety inspection port according to claim 3, characterized in that: the inner bottom of the left inner wall of the fixing frame (5) is provided with a left end of the slider (7). The first limiting groove (11) on the outer wall is matched with the automatic limiting mechanism (8) that is engaged with the snapping mechanism. A second limit groove (82) matching the inner bottom of the left inner wall of the groove and a plurality of compression springs (83) arranged in the second limit groove (82), the compression springs (83) One end is fixed to the bottom of the second limiting slot (82), and the other end is connected to the top of the limiting piece (81). The depth of the second limiting slot (82) is greater than that of the limiting piece (81). 81); the initial state length of the compression spring (83) is less than the depth of the second limiting groove (82); the upper part of the limiting member (81) is a square structure, and the lower part is a circular arc shape Structure, the lower part of the limiting member (81) is matched and engaged with the first limiting groove (11). 5 . The high-voltage cabinet with a safety inspection port according to claim 4 , wherein a cover plate ( 12 ) is provided outside the fixing frame ( 5 ), and the left side of the cover plate ( 12 ) is provided with a cover plate ( 12 ). The wall is hinged on the cabinet door (3). 6 . The high-voltage cabinet with a safety inspection port according to claim 5 , wherein the two sides of the inspection port ( 9 ) are provided with fixing blocks ( 13 ) for fixing glass picks. The block (13) has a ring structure, its inner diameter is smaller than the outer diameter of the observation port (9), and its outer diameter is larger than the outer diameter of the observation port (9). In the bolt holes through which the bolts pass, the slider (7) is provided with mounting holes matching the bolt holes.

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