All-insulated and all-sealed metal closed looped network switchgear

By combining the drive components with the mounting plate, the electrical equipment can be easily moved in and out of the enclosed switchgear, solving the problems of inconvenient maintenance and safety risks in the existing technology, and improving the operation and maintenance efficiency and safety of the equipment.

CN223757859UActive Publication Date: 2026-01-02ZHEJIANG CHIYUAN ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202520100154.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-02
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The existing metal-enclosed ring network switchgear requires manual entry into the cabinet for maintenance, which is inconvenient, poses safety risks, and affects maintenance efficiency.

Method used

The design employs a drive assembly and mounting plate that work together. An electric telescopic rod and connecting rod drive the drive rod, which in turn drives the sliding assembly of the mounting plate, enabling convenient access for electrical equipment. This design avoids the need for manual operation inside the cabinet.

Benefits of technology

It improves operational safety, reduces the risk of electric shock to personnel, facilitates equipment inspection and maintenance, saves time and labor costs, extends the service life of drive components, and improves the operational stability and reliability of the equipment.

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Abstract

The utility model discloses an all-insulated and all-sealed metal closed looped network switch device, and relates to the technical field of switch devices. The switch equipment comprises a switch equipment body, a door plate is hinged to an opening of the switch equipment body, a mounting plate for mounting electrical equipment is slidably arranged in the switch equipment body, a driving assembly for driving the mounting plate to slide is arranged in the switch equipment body, the driving assembly comprises a fixing plate which is fixedly mounted on the mounting plate, a driving rod is rotatably connected to the fixing plate, and the driving rod is rotatably connected to the fixing plate. The first end of the electric telescopic rod is hinged to the inner wall of the switchgear body, the second end of the electric telescopic rod is movably connected with a connecting rod through a rotating shaft, and the end, away from the electric telescopic rod, of the connecting rod is hinged to the end, away from the fixing plate, of the driving rod. According to the utility model, through the cooperation design of the driving assembly and the mounting plate, electrical equipment can conveniently enter and exit from the enclosed switchgear body, an operator does not need to go deep into a cabinet body for operation, and the operation safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the switchgear field, specifically, relate to a kind of full insulation full sealing metal-enclosed ring network switchgear. BACKGROUND

[0002] With the continuous development of power system and the increasing demand of society for power supply reliability and safety, the ring network switchgear plays a more and more key role in power distribution network. With the rapid advancement of urban construction, the installation space of ring network switchgear is increasingly cramped. For example, in urban underground pipe gallery, power distribution room of high-rise building and other places, not only is the equipment required to have a compact structure design, but also the convenience of operation and maintenance needs to be fully considered. The metal-enclosed ring network switchgear is a high-voltage switchgear used in power system. Some existing switchgears have problems of inconvenient installation and maintenance due to their unreasonable structure during specific use.

[0003] The Chinese patent with patent publication number CN210074470U discloses a kind of full insulation full sealing metal-enclosed ring network switchgear. The device is convenient for the opening and closing of door body by the setting of multiple suction blocks, thereby facilitating maintenance during subsequent use. However, when maintaining the electrical equipment inside the cabinet body in the later stage, especially some small electrical equipment close to the inner wall of the cabinet body, manual drilling into the cabinet body is required for operation, which brings certain inconvenience to the operation of maintenance personnel and affects the overall maintenance efficiency.

[0004] Therefore, the present utility model is proposed. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the present utility model is to overcome the shortcomings of the prior art and provide a kind of full insulation full sealing metal-enclosed ring network switchgear, which solves the problems raised in the background technology.

[0006] To solve the above technical problems, the basic idea of the technical solution of the present utility model is as follows:

[0007] A kind of full insulation full sealing metal-enclosed ring network switchgear, comprising: a switchgear body, a door plate is hinged at the opening of the switchgear body, an installation plate for installing electrical equipment is slidably arranged in the switchgear body, a drive assembly is arranged in the switchgear body to drive the installation plate to slide towards the opening of the switchgear body, the drive assembly comprises:

[0008] A fixed plate is fixedly installed at one end of the installation plate away from the opening of the switchgear body, and a drive rod is rotatably connected to the fixed plate;

[0009] The electric telescopic rod is hinged at the inner wall of the switch device body, and the second end of the electric telescopic rod is movably connected with a connecting rod through a rotating shaft.

[0010] Optionally, a driving groove is arranged on the connecting rod along the length direction of the connecting rod, and the rotating shaft is movably arranged in the driving groove.

[0011] Optionally, a connecting block is fixedly connected to the inner wall of the switch device body, and the first end of the electric telescopic rod is hinged to the connecting block.

[0012] Optionally, a receiving groove is embedded in the mounting plate, and the driving rod is embedded in the receiving groove.

[0013] Optionally, sliding blocks are fixedly arranged on the two opposite sides of the mounting plate, and the inner wall of the switch device body is provided with sliding grooves for sliding the sliding blocks.

[0014] Optionally, a limiting plate is fixedly arranged on the sliding block, the width of the limiting plate is greater than the width of the sliding block, the inner wall of the switch device body is provided with a moving groove for sliding the limiting plate, and the moving groove and the sliding groove are arranged in communication.

[0015] Optionally, the door plate is two, the two door plates are hingedly arranged at the opening of the switch device body, the two door plates are detachably connected through the snap fastener assembly, a controller for controlling the electric telescopic rod is fixedly arranged on the door plate, and a plurality of heat dissipation holes are arranged through the switch device body.

[0016] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art.

[0017] 1. By arranging the driving assembly and the mounting plate, the electrical equipment can conveniently enter and exit the closed switch device body, the operator does not need to enter the cabinet body for operation, the safety of operation is improved, especially in a high-voltage environment, the risk of electric shock is reduced, compared with the traditional fixed installation, the daily maintenance and maintenance of the equipment are greatly facilitated, time and labor cost are saved, and the overall operation and maintenance efficiency of the equipment is improved.

[0018] 2、By being provided with the driving slot, the storage slot, the driving slot provides the movement space for the rotating shaft, the connection between the connecting rod, the electric telescopic rod and the driving rod is more flexible, the angle change of different movement stages is adapted, the structure jamming problem caused by the movement interference of the connecting part is effectively avoided, meanwhile, the driving rod is conveniently stored into the storage slot under the cooperation of the electric telescopic rod and the connecting rod, the mounting plate is conveniently moved into the switch device body;

[0019] 3、By being provided with the sliding block, the sliding slot, the limiting plate and the moving slot, the cooperation of the sliding block and the sliding slot not only provides the stable guide for the mounting plate and guarantees the stability of the equipment operation, but also shares part of the weight of the mounting plate during the long-term use process, the load of the driving assembly is reduced, the service life of the driving assembly is prolonged, the reliability of the cooperation of the sliding block and the sliding slot is greatly improved by the limiting plate, the sliding block is avoided from being out of the sliding slot due to the unexpected situation, the mounting plate is avoided from being jammed, the equipment is avoided from being broken down and other serious consequences, the safety and stability of the equipment operation are improved, the maintenance frequency of the equipment sudden breakdown is reduced, and the reliable operation of the power system is ensured.

[0020] The specific implementation manners of the utility model will be described in further detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings in the following description are only some embodiments, and other drawings can be obtained by the drawings without the creative labor of the ordinary skilled in the art.

[0022] Figure 1 It is the overall structure schematic view of the utility model;

[0023] Figure 2 It is the structure schematic view of the inside of the switch device body when the door plate of the utility model is opened;

[0024] Figure 3 It is the front view of the utility model; Figure 2

[0025] Figure 4 It is the structure schematic view of the limiting plate, the moving slot, the sliding block and the sliding slot of the utility model;

[0026] Figure 5 It is the structure schematic view of the driving assembly of the utility model.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] ​1, switchgear body; 2, door plate; 3, controller; 4, buckle assembly; 5, heat dissipation hole; 6, mounting plate; 7, sliding block; 8, moving groove; 9, drive assembly; 91, electric telescopic rod; 92, connecting rod; 93, drive rod; 94, fixed plate; 95, rotating shaft; 10, limiting plate; 11, sliding groove; 12, connecting block; 13, storage groove; 14, drive groove.

[0029] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] The utility model will be further described in detail in combination with the drawings.

[0031] Please refer to Figures 1-5 As shown in FIG. 1, in the embodiment, a full-insulation full-seal metal-enclosed ring network switchgear is provided, comprising a switchgear body 1, a door plate 2 is hinged at the opening of the switchgear body 1, a mounting plate 6 for mounting electrical equipment is slidably arranged in the switchgear body 1, a drive assembly 9 for driving the mounting plate 6 to slide towards the opening of the switchgear body 1 is arranged in the switchgear body 1, the drive assembly 9 comprises a fixed plate 94, which is fixedly installed at one end of the mounting plate 6 away from the opening of the switchgear body 1, a drive rod 93 is rotatably connected to the fixed plate 94, an electric telescopic rod 91 is hinged at the inner wall of the switchgear body 1 at the first end, a connecting rod 92 is movably connected to the electric telescopic rod 91 at the second end through a rotating shaft 95, and one end of the connecting rod 92 away from the electric telescopic rod 91 is hinged to one end of the drive rod 93 away from the fixed plate 94.

[0032] Specifically, when the electrical equipment installed on the mounting plate 6 needs to be overhauled or maintained, the electric telescopic rod 91 is started, and the telescopic movement of the electric telescopic rod 91 is transmitted to the driving rod 93 through the connecting rod 92. Since the driving rod 93 is rotationally connected with the fixed plate 94 on the mounting plate 6, and the mounting plate 6 is slidingly connected with the switch device body 1, under the action of this series of linkage structures, when the electric telescopic rod 91 is extended, the connecting rod 92 pulls the driving rod 93, and the driving rod 93 drives the fixed plate 94 and the mounting plate 6 fixed thereto to slide along the sliding groove 11 in the switch device body 1 to the opening direction of the switch device body 1, so as to move the electrical equipment on the mounting plate 6 out of the switch device body 1, facilitating the operator to approach and operate. When the maintenance is completed, the electric telescopic rod 91 is retracted, the mounting plate 6 with the electrical equipment is withdrawn into the switch device body 1, and the door plate 2 is closed to restore the normal operation state of the equipment. The cooperation design of the driving assembly 9 and the mounting plate 6 realizes the convenient access of the electrical equipment in the closed switch device body 1, without the need for the operator to enter the cabinet body for operation, improving the safety of operation, especially in a high-voltage environment, reducing the risk of electric shock of personnel. At the same time, compared with the traditional fixed installation, the daily overhaul and maintenance of the equipment are greatly facilitated, time and labor cost are saved, and the overall operation and maintenance efficiency of the equipment is improved.

[0033] In the present embodiment, as shown in Figure 4 and Figure 5 , a driving groove 14 in which the rotating shaft 95 is movable is provided on the connecting rod 92 along the length direction thereof, the connecting block 12 is fixedly connected to the inner wall of the switch device body 1, the first end of the electric telescopic rod 91 is hinged to the connecting block 12, and the receiving groove 13 in which the driving rod 93 is embedded is embedded in the mounting plate 6. Specifically, the driving groove 14 provides a movable space for the rotating shaft 95, so that the connection between the connecting rod 92, the electric telescopic rod 91 and the driving rod 93 is more flexible, and the angle change in different movement stages is adapted, effectively avoiding the problem of structural jamming caused by the movement interference of the connecting components. At the same time, it is convenient to realize the receiving of the driving rod 93 into the receiving groove 13 under the cooperation of the electric telescopic rod 91 and the connecting rod 92, and it is convenient to move the mounting plate 6 into the switch device body 1.

[0034] In the present embodiment, as shown in Figure 3 , Figure 4 and Figure 5As shown, the two opposite sides of the mounting plate 6 are fixedly provided with sliding blocks 7, and the inner wall of the switch device body 1 is provided with sliding grooves 11 for the sliding blocks 7 to slide, the sliding blocks 7 are fixedly provided with limiting plates 10, the width of the limiting plates 10 is greater than the width of the sliding blocks 7, the inner wall of the switch device body 1 is provided with moving grooves 8 for the limiting plates 10 to slide, the moving grooves 8 and the sliding grooves 11 are communicatively arranged, specifically, the cooperation of the sliding blocks 7 and the sliding grooves 11 not only provides stable guidance for the mounting plate 6 to ensure the stability of the device operation, but also shares part of the weight of the mounting plate 6 during long-term use, reduces the load of the driving assembly 9, prolongs the service life of the driving assembly 9, the arrangement of the limiting plates 10 greatly improves the reliability of the cooperation of the sliding blocks 7 and the sliding grooves 11, avoids the sliding blocks 7 from coming out of the sliding grooves 11 due to accidental situations, and further causes the mounting plate 6 to be stuck, device failure and other serious consequences, improves the safety and stability of the device operation, reduces the maintenance frequency of sudden device failure, and ensures the reliable operation of the power system.

[0035] In this embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , the door plate 2 is two pieces, the two door plates 2 are hingedly connected at the opening of the switch device body 1, and the two door plates 2 are detachably connected by the buckle assembly 4, the door plate 2 is fixedly provided with a controller 3 for controlling the electric telescopic rod 91, and the switch device body 1 is provided with a plurality of heat dissipation holes 5, specifically, the structure and mounting mode of the buckle assembly 4 are prior art, which will not be described here; the door plate 2 is two pieces hingedly connected at the opening of the switch device body 1 and detachably connected by the buckle assembly 4, which facilitates the opening and closing operation of the door plate 2. When the device is normally operating, the door plate 2 is closed and buckled by the buckle assembly 4, the two door plates 2 are tightly fitted to ensure the full sealing state of the switch device body 1, preventing the intrusion of external dust, moisture, small animals, etc.; when maintenance is needed, the buckle assembly 4 is unfastened, and the two door plates 2 are opened to the two sides to provide operating space; the controller 3 fixedly installed on the door plate 2 is used to control the electric telescopic rod 91; the plurality of heat dissipation holes 5 provided through the switch device body 1 are used to dissipate heat generated during device operation, ensuring that the internal electrical equipment works in a suitable temperature environment, preventing performance degradation or failure due to overheating.

[0036] Working principle:

[0037] When the electrical equipment installed on the mounting plate 6 needs to be overhauled or maintained, the electric telescopic rod 91 is started, and the telescopic movement of the electric telescopic rod 91 is transmitted to the driving rod 93 through the connecting rod 92, since the driving rod 93 is rotationally connected with the fixed plate 94 on the mounting plate 6, and the mounting plate 6 is slidingly connected with the switch equipment body 1, under the action of the series of linkage structures, when the electric telescopic rod 91 is elongated, the connecting rod 92 pulls the driving rod 93, the driving rod 93 drives the fixed plate 94 and the mounting plate 6 fixed therewith to slide along the sliding groove 11 in the switch equipment body 1 to the opening direction of the switch equipment body 1, so as to move the electrical equipment on the mounting plate 6 out of the switch equipment body 1, so as to facilitate the operator to approach and operate, when the maintenance is completed, the electric telescopic rod 91 is retracted, the mounting plate 6 with the electrical equipment is withdrawn into the switch equipment body 1, and the door plate 2 is closed, so that the normal operation state of the equipment can be restored, the cooperation of the driving assembly 9 and the mounting plate 6 realizes the convenient access of the electrical equipment in the closed switch equipment body 1, without the need for the operator to enter the cabinet body to operate, the safety of operation is improved, especially in the high-voltage environment, the risk of electric shock of the personnel is reduced, compared with the traditional fixed installation, the daily overhaul and maintenance of the equipment are greatly facilitated, the time and labor cost are saved, and the overall operation and maintenance efficiency of the equipment is improved.

[0038] The utility model is not limited to the above-mentioned embodiment, any person should know the structural change made under the inspiration of the utility model, and any technical scheme with the same or similar utility model falls within the protection scope of the utility model. The utility model does not describe the technology, shape and structure part in detail, which is the known technology.

Claims

1. A totally insulated and totally sealed metal-enclosed switchgear and controlgear assembly of ring main unit type, characterized in that, Include: Switch device body (1), the door plate (2) is hinged at the opening of the switch device body (1), the mounting plate (6) is slidably arranged in the switch device body (1) for mounting electrical equipment, the drive assembly (9) is arranged in the switch device body (1) for driving the mounting plate (6) to slide towards the opening of the switch device body (1), the drive assembly (9) comprises: The fixed plate (94) is fixedly installed on the end of the mounting plate (6) away from the opening of the switch device body (1), the drive rod (93) is rotatably connected to the fixed plate (94); The electric telescopic rod (91) is hinged to the inner wall of the switch device body (1), the electric telescopic rod (91) is movably connected with the connecting rod (92) through the rotating shaft (95), one end of the connecting rod (92) away from the electric telescopic rod (91) is hinged to one end of the drive rod (93) away from the fixed plate (94).

2. The fully insulated and fully sealed metal-enclosed busbar ring network switchgear according to claim 1, characterized in that, The connecting rod (92) is provided with a drive slot (14) through which the rotating shaft (95) is movable along the length direction of the connecting rod (92).

3. An all-insulated and fully-encapsulated metal-enclosed switchgear assembly of claim 2, wherein, The connecting block (12) is fixedly connected to the inner wall of the switch device body (1), and the first end of the electric telescopic rod (91) is hinged to the connecting block (12).

4. The fully insulated and fully sealed metal-enclosed busbar ring main unit according to claim 2, characterized in that, The receiving slot (13) is embedded in the mounting plate (6) for embedding the drive rod (93).

5. The fully insulated and fully sealed metal-enclosed busbar ring main unit according to claim 1, characterized in that, The sliding block (7) is fixedly installed on both sides of the mounting plate (6), and the sliding groove (11) is arranged in the inner wall of the switch device body (1) for sliding the sliding block (7).

6. An all-insulated and fully-encapsulated metal-clad switchgear ring network switch device according to claim 5, characterized in that, The limiting plate (10) is fixedly installed on the sliding block (7), the width of the limiting plate (10) is greater than the width of the sliding block (7), the moving slot (8) is arranged in the inner wall of the switch device body (1) for sliding the limiting plate (10), and the moving slot (8) and the sliding groove (11) are arranged in communication.

7. The fully insulated and fully sealed metal-enclosed busbar ring main unit of claim 1, wherein The door plate (2) is two pieces, the two door plates (2) are hingedly connected to the opening of the switch device body (1), the two door plates (2) are detachably connected through the buckle assembly (4), the controller (3) for controlling the electric telescopic rod (91) is fixedly installed on the door plate (2), and a plurality of heat dissipation holes (5) are arranged through the switch device body (1).

Citation Information

Patent Citations

  • All-insulated and all-sealed metal-enclosed looped network switch device

    CN210074470U