Lightning protection structure of high-voltage cabinet

Abstract

The utility model relates to the technical field of high-voltage cabinets, in particular to a lightning protection structure of a high-voltage cabinet, which is applied to a high-voltage cabinet body, the lightning protection structure comprises an insulating shell, a lightning arrester body and two limiting assemblies, each limiting assembly comprises a fixing plate, a guide rail, two springs, two sliding plates and a limiting plate, and the left side and the right side of the insulating shell are respectively provided with a groove. When the lightning protection structure is installed, the limiting plate is pulled outwards, the insulating shell is arranged outside the high-voltage cabinet body in a sleeving mode, then the limiting plate is loosened, one end of the limiting plate is clamped and matched with the groove under the elastic force effect of the two springs, and therefore the effect of limiting and fixing the insulating shell is achieved. The lightning arrester body and the insulating shell can be installed on the high-voltage cabinet body, the installation is fast and convenient, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage cabinets, in particular to a lightning protection structure of a high-voltage cabinet. Background Art

[0002] High-voltage cabinets are used for switching, controlling or protecting in power generation, transmission, distribution, power conversion and consumption of power systems. They are mainly used in power plants, substations, petrochemicals, metallurgy and steel rolling, light industry and textiles, factories and mines, residential areas, high-rise buildings and other different occasions. For high-voltage cabinets installed in outdoor areas, lightning protection structures are required to protect the high-voltage cabinets from lightning.

[0003] However, the existing high-voltage cabinet lightning protection structure is troublesome to install when in use, resulting in low installation effect. Utility Model Content

[0004] The utility model aims to provide a lightning protection structure for a high-voltage cabinet, which solves the problem that the existing lightning protection structure for a high-voltage cabinet in the prior art is troublesome to install during use, resulting in low installation effect.

[0005] To achieve the above-mentioned purpose, the utility model provides a lightning protection structure of a high-voltage cabinet, comprising a high-voltage cabinet body, an insulating shell, a lightning arrester body and two limit assemblies, each of the limit assemblies comprising a fixed plate, a guide rail, two springs, two slides and a limit plate, the left and right sides of the insulating shell are respectively provided with grooves, the insulating shell is sleeved on the outside of the high-voltage cabinet, the lightning arrester body is fixedly connected to the insulating shell and is located at the top of the insulating shell, the two limit assemblies are respectively arranged on both sides of the high-voltage cabinet body, the fixed plate is fixedly connected to the front surface of the high-voltage cabinet body, the guide rail is fixedly connected to the rear surface of the fixed plate, the two slides are respectively slidably adapted to the guide rails, the limit plate is fixedly connected to the two slides and is located between the two slides, one end of the limit plate close to the high-voltage cabinet body is adapted to the groove, and the two ends of the two springs are respectively fixedly connected to the inner walls of the slide and the guide rail.

[0006] Wherein, each of the limiting components further includes a protrusion, which is fixedly connected to the limiting plate and is located at an end of the limiting plate away from the high-voltage cabinet body.

[0007] Wherein, the lightning protection structure of the high-voltage cabinet also includes a connection wire, one end of which is fixedly connected to the arrester body, and the other end of which is arranged on the ground.

[0008] Among them, the lightning protection structure of the high-voltage cabinet also includes a bottom plate and a plurality of bolts. The bottom plate is fixedly connected to the bottom of the high-voltage cabinet body, and the plurality of bolts are respectively arranged around the bottom plate.

[0009] One end of the limiting plate has a chamfered surface, and the chamfered surface is located at an end of the limiting plate away from the protrusion.

[0010] The utility model provides a lightning protection structure for a high-voltage cabinet. When installing the lightning protection structure, the limit plate is pulled outward to sleeve the insulating shell on the outside of the high-voltage cabinet body, and then the limit plate is loosened. Under the elastic force of the two springs, one end of the limit plate is engaged with the groove, thereby achieving the effect of limiting and fixing the insulating shell. Therefore, through the above-mentioned structural setting, the lightning arrester body and the insulating shell can be installed on the high-voltage cabinet body, and the installation is quick and convenient, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0013] Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0014] Figure 3 The utility model Figure 2 AA line section view.

[0015] Figure 4 The utility model Figure 2 Enlarged view of the local structure at point B.

[0016] Figure 5 It is an overall structural diagram of the second embodiment of the utility model.

[0017] Figure 6 It is an overall cross-sectional view of the second embodiment of the utility model.

[0018] Figure 7 The utility model Figure 6 CC line section view.

[0019] 101-high voltage cabinet body, 102-insulating shell, 103-arrester body, 104-connecting wires, 105-fixing plate, 106-guide rail, 107-spring, 108-slide plate, 109-limiting plate, 110-bump, 111-groove, 201-bottom plate, 202-bolt, 203-bevel cut surface. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 4 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a sectional view of the whole of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view, Figure 4 The utility model Figure 2 Enlarged view of the local structure at point B.

[0023] The utility model provides a lightning protection structure for a high-voltage cabinet, comprising a high-voltage cabinet body 101, an insulating shell 102, an arrester body 103, two limit assemblies and a connecting wire 104, each of the limit assemblies comprising a fixing plate 105, a guide rail 106, two springs 107, two slide plates 108, a limit plate 109 and a protrusion 110, and the left and right sides of the insulating shell 102 are respectively provided with grooves 111.

[0024] According to this specific embodiment, when the lightning protection structure is installed, the limit plate 109 is pulled outward, the insulating shell 102 is sleeved on the outside of the high-voltage cabinet body 101, and then the limit plate 109 is loosened. Under the elastic force of the two springs 107, one end of the limit plate 109 is engaged with the groove 111, thereby achieving the effect of limiting and fixing the insulating shell 102. Thus, through the above-mentioned structural setting, the arrester body 103 and the insulating shell 102 can be fixed. 2 is installed on the high-voltage cabinet body 101, and the installation is quick and convenient, which improves the installation efficiency. Through the setting of the protrusion 110, it is convenient for the staff to pull the protrusion 110 to drive the limit plate 109 to move. The protrusion 110 is more convenient for the staff to operate, and prevents the hand from slipping when directly pulling the limit plate 109. When the lightning arrester body 103 receives lightning, the lightning is guided into the ground through the connecting wire 104, thereby preventing the high-voltage cabinet body 101 from being damaged.

[0025] Among them, the left and right sides of the insulating shell 102 are respectively provided with grooves 111, the insulating shell 102 is sleeved on the outside of the high-voltage cabinet, the lightning arrester body 103 is fixedly connected to the insulating shell 102 and is located at the top of the insulating shell 102, the two limit assemblies are respectively arranged on both sides of the high-voltage cabinet body 101, the fixed plate 105 is fixedly connected to the front surface of the high-voltage cabinet body 101, the guide rail 106 is fixedly connected to the rear surface of the fixed plate 105, the two slides 108 are respectively slidably adapted to the guide rail 106, the limit plate 109 is fixedly connected to the two slides 108 and is located between the two slides 108, the end of the limit plate 109 close to the high-voltage cabinet body 101 is adapted to the groove 111, and the two ends of the two springs 107 are respectively fixedly connected to the inner walls of the slide 108 and the guide rail 106. When installing the lightning protection structure, pull the limit plate 109 outward, put the insulating shell 102 on the outside of the high-voltage cabinet body 101, and then loosen the limit plate 109. Under the elastic force of the two springs 107, one end of the limit plate 109 is snap-fitted into the groove 111, thereby achieving the effect of limiting and fixing the insulating shell 102. Through the above-mentioned structural setting, the lightning arrester body 103 and the insulating shell 102 can be installed on the high-voltage cabinet body 101, and the installation is quick and convenient, thereby improving the installation efficiency.

[0026] Secondly, the protrusion 110 is fixedly connected to the limit plate 109 and is located at one end of the limit plate 109 away from the high-voltage cabinet body 101. The setting of the protrusion 110 facilitates the staff to move the limit plate 109 by pulling the protrusion 110, and the protrusion 110 is more convenient for the staff to operate, preventing the hand from slipping when directly pulling the limit plate 109.

[0027] At the same time, one end of the connection line 104 is fixedly connected to the arrester body 103, and the other end of the connection line 104 is arranged on the ground. When the arrester body 103 receives lightning, the lightning is guided to the ground through the connection line 104, thereby preventing the high-voltage cabinet body 101 from being damaged.

[0028] When using a lightning protection structure of a high-voltage cabinet of the present embodiment, when installing the lightning protection structure, pull the limit plate 109 outward, sleeve the insulating shell 102 on the outside of the high-voltage cabinet body 101, and then loosen the limit plate 109. Under the elastic force of the two springs 107, one end of the limit plate 109 is engaged with the groove 111, thereby achieving the effect of limiting and fixing the insulating shell 102. Thus, through the above-mentioned structural setting, the arrester body 103 and the insulating shell 102 can be fixed. The housing 102 is installed on the high-voltage cabinet body 101, and the installation is quick and convenient, thereby improving the installation efficiency. Through the setting of the protrusion 110, it is convenient for the staff to pull the protrusion 110 to drive the limit plate 109 to move. The protrusion 110 is more convenient for the staff to operate, and prevents the hand from slipping when directly pulling the limit plate 109. When the lightning arrester body 103 receives lightning, the lightning is guided into the ground through the connecting wire 104, thereby preventing the high-voltage cabinet body 101 from being damaged.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figures 5 to 7 ,in, Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 6 is a cross-sectional view of the entirety of the second embodiment of the present utility model, Figure 7 The utility model Figure 6 CC line section view.

[0031] The utility model provides a lightning protection structure for a high-voltage cabinet, which further comprises a bottom plate 201 and a plurality of bolts 202 . One end of the limit plate 109 has a chamfered surface 203 .

[0032] According to this specific embodiment, the base plate 201 and the high-voltage cabinet body 101 are fixed to the ground by inserting a plurality of the bolts 202 into the ground. By setting the beveled surface 203, when the staff reinstalls the insulating shell 102, they only need to squeeze the beveled surface 203 through the front surface of the insulating shell 102, thereby pushing the limit plate 109 to move. After moving to a certain distance, the limit plate 109 returns to its original position under the elastic force of the spring 107, so that one end of the limit plate 109 is snap-fitted with the groove 111, thereby limiting and fixing the insulating shell 102. Therefore, the insulating shell 102 can be quickly installed without manually pulling the protrusion 110, making the installation of the device more convenient and quick.

[0033] The bottom plate 201 is fixedly connected to the bottom of the high-voltage cabinet body 101, and a plurality of bolts 202 are respectively arranged around the bottom plate 201. The bottom plate 201 and the high-voltage cabinet body 101 are fixed to the ground by inserting a plurality of bolts 202 into the ground.

[0034] Secondly, the chamfered surface 203 is located at one end of the limiting plate 109 away from the protrusion 110. Through the setting of the chamfered surface 203, when reinstalling the insulating housing 102, the staff only needs to squeeze the chamfered surface 203 through the front surface of the insulating housing 102, thereby pushing the limiting plate 109 to move. After moving to a certain distance, under the elastic force of the spring 107, the limiting plate 109 returns to its original position, so that one end of the limiting plate 109 is engaged with the groove 111, thereby limiting and fixing the insulating housing 102. Therefore, the insulating housing 102 can be quickly installed without manually pulling the protrusion 110, making the installation of the device more convenient and quick.

[0035] When using the lightning protection structure of a high-voltage cabinet of the present embodiment, the base plate 201 and the high-voltage cabinet body 101 are fixed to the ground by inserting a plurality of the bolts 202 into the ground. By setting the beveled surface 203, when reinstalling the insulating shell 102, the staff only needs to squeeze the beveled surface 203 through the front surface of the insulating shell 102, thereby pushing the limit plate 109 to move. After moving to a certain distance, the limit plate 109 returns to its original position under the elastic force of the spring 107, so that one end of the limit plate 109 is snap-fitted with the groove 111, thereby limiting and fixing the insulating shell 102. Therefore, the insulating shell 102 can be quickly installed without manually pulling the protrusion 110, making the installation of the device more convenient and quick.

[0036] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A lightning protection structure for a high-voltage cabinet, applied to the high-voltage cabinet body, It is characterized in that The lightning protection structure includes an insulating shell, a lightning arrester body and two limit assemblies; Each of the limiting components includes a fixed plate, a guide rail, two springs, two slides and a limiting plate. The left and right sides of the insulating shell are respectively provided with grooves. The insulating shell is sleeved on the outside of the high-voltage cabinet. The lightning arrester body is fixedly connected to the insulating shell and is located at the top of the insulating shell. The two limiting components are respectively arranged on both sides of the high-voltage cabinet body. The fixed plate is fixedly connected to the front surface of the high-voltage cabinet body, and the guide rail is fixedly connected to the rear surface of the fixed plate. The two slides are respectively slidably adapted to the guide rail. The limiting plate is fixedly connected to the two slides and is located between the two slides. One end of the limiting plate close to the high-voltage cabinet body is adapted to the groove, and the two ends of the two springs are respectively fixedly connected to the inner walls of the slide and the guide rail.

2. The lightning protection structure of the high-voltage cabinet according to claim 1, It is characterized in that Each of the limiting components further includes a protrusion, which is fixedly connected to the limiting plate and is located at an end of the limiting plate away from the high-voltage cabinet body.

3. The lightning protection structure of the high-voltage cabinet according to claim 2, It is characterized in that The lightning protection structure of the high-voltage cabinet also includes a connection wire, one end of which is fixedly connected to the arrester body, and the other end of which is arranged on the ground.

4. The lightning protection structure of the high-voltage cabinet according to claim 3, It is characterized in that The lightning protection structure of the high-voltage cabinet further comprises a bottom plate and a plurality of bolts. The bottom plate is fixedly connected to the bottom of the high-voltage cabinet body, and the plurality of bolts are respectively arranged around the bottom plate.

5. The lightning protection structure of the high-voltage cabinet according to claim 4, It is characterized in that One end of the limiting plate has a chamfered surface, and the chamfered surface is located at an end of the limiting plate away from the protrusion.

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