CN113193534B - Arrester protector - Google Patents

Abstract

The invention relates to the technical field of electric power protection equipment, and discloses a lightning arrester protection device. The protection assembly includes a first protective shell and a second protective shell that are rotatably connected. The first protective shell and the second protective shell define an accommodation cavity, and the accommodation cavity is used for Accommodate the exposed end of the lightning arrester; the lead wire assembly includes a first accommodation part and a second accommodation part, the first accommodation part is located on the first protective shell, the second accommodation part is located on the second protective shell, the first protective shell and the second protective shell When assembling, the first accommodating part and the second accommodating part are combined to form a guiding channel, and the wires of the lightning arrester extend out of the accommodating cavity through the guiding channel. Compared with the lightning arrester protection device in the prior art, the lightning arrester protection device provided by the present invention is designed to rotate the first protective shell and the second protective shell, so that the installation of the lightning arrester protective device is simpler, thereby reducing the labor intensity of maintenance personnel ,Improve work efficiency.

Description

A lightning arrester protection device

technical field

The invention relates to the technical field of electric power protection equipment, in particular to a lightning arrester protection device.

Background technique

The arrester is an electrical appliance used to protect electrical equipment from high transient overvoltage hazards during lightning strikes, and to limit the freewheeling time and often limit the freewheeling amplitude. If small animals such as mice climb to the lightning arrester and touch the exposed live parts of the lightning arrester, a short circuit accident will occur. Therefore, under normal circumstances, the electrically exposed parts of the arrester need to be insulated to prevent the exposed live parts of the arrester from being short-circuited to ground due to foreign objects and malfunctioning.

In the prior art, heat-shrinkable arrester shields are mostly used and installed at the end of the arrester. However, since the heat-shrinkable material is opaque, when the arrester is damaged by lightning, it is difficult for inspectors to find and replace it in time. Cause electrical equipment to be struck by lightning and cause safety accidents.

In addition, the installation and disassembly of the protective cover of the lightning arrester in the prior art is inconvenient, which increases the labor intensity of the operation and maintenance personnel, and the maintenance cost is high. Moreover, the installation of the protective cover of the existing lightning arrester will be unstable after being disassembled many times, which is easy to cause safety problems. Hidden danger, the service life of the protective cover of the arrester is short.

Contents of the invention

Based on the above problems, the object of the present invention is to provide a lightning arrester protection device, which is simple to install, low in maintenance cost, and has high transparency. When the lightning arrester is damaged, maintenance personnel can find it in time, thereby ensuring that electrical equipment is protected from lightning strikes.

For reaching above-mentioned purpose, the present invention adopts following technical scheme:

A lightning arrester protection device, comprising:

The protective assembly includes a first protective shell and a second protective shell that are rotatably connected, and the first protective shell and the second protective shell define an accommodation chamber for accommodating the exposed end of the lightning arrester;

The lead wire assembly includes a first accommodating portion and a second accommodating portion, the first accommodating portion is located on the first protective shell, the second accommodating portion is located on the second protective shell, and the first protective shell When combined with the second protective shell, the first receiving part and the second receiving part are combined to form a guide channel, and the wires of the lightning arrester extend out of the receiving cavity through the guide channel.

As a preferred solution of the lightning arrester protection device of the present invention, the lightning arrester protection device further includes a rotating shaft, a first connecting portion is provided on the first protective shell, a second connecting portion is provided on the second protective shell, and the Both the first connecting part and the second connecting part are provided with a through hole, and the rotating shaft passes through the through hole of the first connecting part and the through hole of the second connecting part, and is rotatably matched with the through hole .

As a preferred solution of the lightning arrester protection device of the present invention, a first locking member is arranged in the first accommodation part, a second locking member is arranged in the second accommodation part, and the first accommodation part and the second When the accommodating parts are combined, the first locking part and the second locking part can clamp the wires of the arrester.

As a preferred solution of the lightning arrester protection device of the present invention, both the first locking member and the second locking member include a pressing block and an elastic member arranged on the pressing block, and the first locking member The pressing block and the pressing block of the second locking member can clamp the wire of the arrester under the elastic force of the elastic member.

As a preferred solution of the lightning arrester protection device of the present invention, installation grooves are provided in the first accommodating part and the second accommodating part, and installation protrusions are provided on the side of the pressing block facing away from the elastic member, The installation protrusion can be clamped in the installation groove.

As a preferred solution of the lightning arrester protection device of the present invention, the first receiving portion is provided with a first hook, and the second receiving portion is provided with a first slot, and the first hook can be inserted into the into the first slot, so that the first accommodating part and the second accommodating part are joined together.

As a preferred solution of the arrester protection device of the present invention, the first protective shell is provided with a second hook, the second protective shell is provided with a second slot, and the second hook can be snapped into the in the second slot, so that the first protective shell and the second protective shell can be combined.

As a preferred solution of the lightning arrester protection device of the present invention, the side of the first receiving part away from the first protective shell and the side of the second receiving part away from the second protective shell are both provided with end caps, The end cover is detachably connected to the first receiving part or the second receiving part.

As a preferred solution of the lightning arrester protection device of the present invention, there are two lead wire assemblies, one of which is located at the top of the protection assembly, and the other is located at the side of the protection assembly, and is connected with the The rotating connection ends of the first protective shell and the second protective shell are opposite.

As a preferred solution of the lightning arrester protection device of the present invention, both the protection component and the lead wire component are made of transparent materials.

The beneficial effects of the present invention are:

The lightning arrester protective device provided by the present invention, when the lightning arrester is insulated, the first protective shell and the second protective shell connected by rotation are first opened, and then corresponding to the exposed end of the lightning arrester, the first protective shell and the second protective shell are Wrapped on the outside of the exposed end of the lightning arrester, the wires of the lightning arrester are located between the first accommodating part and the second accommodating part. Then turn the first protective shell and the second protective shell, so that the first protective shell and the second protective shell are combined to form a protective cover with an accommodating cavity, and at the same time, the first accommodating part and the second accommodating part are combined to form a guide channel, and the exposed end of the arrester The connected wires protrude out of the accommodation cavity through the guide channel, and the exposed end of the arrester is covered by the protective cover, so that the exposed end of the arrester is isolated from the outside world, which plays an insulating role, prevents the short circuit of the arrester due to contact with foreign objects, and reduces the electrical equipment. maintenance costs. Compared with the lightning arrester protection device in the prior art, the lightning arrester protection device provided by the present invention is designed to rotate the first protective shell and the second protective shell, so that the installation of the lightning arrester protective device is simpler, thereby reducing the labor intensity of maintenance personnel ,Improve work efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to the content of the embodiment of the present invention and these drawings without any creative effort.

Fig. 1 is a schematic structural view of a lightning arrester protection device provided by a specific embodiment of the present invention;

Fig. 2 is an exploded view of the lightning arrester protection device provided by the specific embodiment of the present invention.

In the picture:

1-protection component; 2-lead component; 3-rotating shaft;

11-the first protective shell; 12-the second protective shell;

111-first connecting part; 112-second hook; 121-second connecting part; 122-second card slot;

1111-through hole;

21 - the first accommodation part; 22 - the second accommodation part;

211-the first locking member; 212-the first hook; 213-end cover; 214-installation groove; 221-the second locking member;

222-the first card slot;

2111-briquetting block; 2112-elastic part.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Wherein, the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Embodiment one

As shown in FIG. 1 and FIG. 2 , this embodiment provides a protective device for a lightning arrester, which is suitable for insulating the lightning arrester of electrical equipment. The protective device for the lightning arrester includes a protective component 1 and a lead wire component 2 .

Wherein, the protective assembly 1 includes a first protective shell 11 and a second protective shell 12 that are rotatably connected, and the first protective shell 11 and the second protective shell 12 define an accommodation chamber for accommodating the exposed end of the lightning arrester; the lead wire assembly 2 It includes a first accommodating portion 21 and a second accommodating portion 22, the first accommodating portion 21 is located on the first protective shell 11, the second accommodating portion 22 is located on the second protective shell 12, the first protective shell 11 and the second protective shell 12 When combined, the first receiving part 21 and the second receiving part 22 are combined to form a guide channel, and the wires of the lightning arrester extend out of the receiving cavity through the guide channel.

The lightning arrester protective device provided by this embodiment, when installing the lightning arrester protective device, firstly open the first protective shell 11 and the second protective shell 12 which are connected in rotation, and then corresponding to the exposed end of the lightning arrester, make the first protective shell 11 and the second protective shell 11 The protective shell 12 wraps the outside of the exposed end of the arrester, and the wires of the arrester are located between the first receiving portion 21 and the second receiving portion 22 . Then rotate the first protective shell 11 and the second protective shell 12, so that the first protective shell 11 and the second protective shell 12 are combined to form a protective cover with an accommodation cavity, and the first accommodation part 21 and the second accommodation part 22 are combined to form a guide Channel, the wires connected to the exposed end of the arrester protrude out of the accommodation cavity through the guiding channel, and the exposed end of the arrester is covered by a protective cover to isolate the exposed end of the arrester from the outside and play an insulating role to prevent the arrester from being damaged due to contact with foreign objects. short circuit, reducing the maintenance cost of electrical equipment. Compared with the lightning arrester protection device in the prior art, the lightning arrester protection device provided by this embodiment is designed to be rotationally connected with the first protective shell 11 and the second protective shell 12, which makes the installation of the lightning arrester protective device easier, thereby reducing maintenance personnel. labor intensity and improve work efficiency.

For the convenience of processing, preferably, the first receiving portion 21 and the first protective shell 11 , and the second receiving portion 22 and the second protective shell 12 are integrally formed and processed.

In this embodiment, optionally, both the protection component 1 and the lead component 2 are made of transparent materials. That is, the first protective shell 11, the second protective shell 12, the first accommodating portion 21 and the second accommodating portion 22 are all transparent. After the arrester protection device is installed on the arrester, if the arrester is damaged by lightning, the maintenance personnel can You can intuitively see whether the arrester is faulty at the first time, and replace it with a qualified arrester in time to protect electrical equipment and prevent potential safety hazards. Preferably, the transparent material can be a high-quality weather-resistant PC material, with a light transmittance of up to 90%, a high degree of visualization, and broad application prospects.

As shown in Figure 2, optionally, the lightning arrester protection device also includes a rotating shaft 3, a first connecting portion 111 is provided on the first protective shell 11, a second connecting portion 121 is provided on the second protective shell 12, and the first connecting portion 111 and the second connecting part 121 are provided with a through hole 1111, the shaft 3 passes through the through hole 1111 of the first connecting part 111 and the through hole 1111 of the second connecting part 121, and is rotatably engaged with the through hole 1111. Through the rotational cooperation between the rotating shaft 3 and the through hole 1111, the opening and closing of the first protective shell 11 and the second protective shell 12 are simpler and easier to operate, reducing the labor intensity of maintenance personnel. Preferably, multiple first connecting parts 111 and second connecting parts 121 are provided at intervals, and both the first connecting parts 111 and the second connecting parts 121 are columnar structures, and the through holes 1111 are located at the axial centers of the columnar structures. The first connecting portion 111 is located on the edge of the first protective shell 11 and integrally formed with the first protective shell 11 , the second connecting portion 121 is located on the edge of the second protective shell 12 and integrally formed with the second protective shell 12 , Easy to process.

When assembling the first protective shell 11 and the second protective shell 12, the adjacent first connecting portion 111 and the second connecting portion 121 are butted together so that the through hole 1111 of the first connecting portion 111 is connected to the through hole of the second connecting portion 121. The holes 1111 are aligned, and then the rotating shaft 3 is sequentially passed through the through hole 1111 of the first connecting portion 111 and the through hole 1111 of the second connecting portion 121 to realize the rotational connection between the first protective shell 11 and the second protective shell 12 . Further preferably, there are three first connecting parts 111 and two second connecting parts 121 and two rotating shafts 3 , so as to ensure the connection strength between the first protective shell 11 and the second protective shell 12 . The second connecting part 121 is located between two adjacent first connecting parts 111, and a rotating shaft 3 passes through the through hole 1111 of the first connecting part 111 and the through hole of the second connecting part 121 from the upper end of the first protective shell 11 in sequence. 1111 , the other rotating shaft 3 passes through the through hole 1111 of the first connecting part 111 and the through hole 1111 of the second connecting part 121 from the lower end of the first protective shell 11 in sequence.

As shown in FIG. 2 , optionally, a first locking member 211 is arranged in the first receiving portion 21, a second locking member 221 is arranged in the second receiving portion 22, and the first receiving portion 21 and the second receiving portion 22, the first locking part 211 and the second locking part 221 can clamp the conductor of the arrester. In this embodiment, both the first housing part 21 and the second housing part 22 are semi-cylindrical, the first locking part 211 is located in the inner cavity of the first housing part 21 , and the second locking part 221 is located in the second housing part 22 of the inner cavity. When the first protective shell 11 and the second protective shell 12 are closed, the first receiving part 21 and the second receiving part 22 are combined, so that the first locking part 211 and the second locking part 221 work together to clamp the wire of the arrester .

Preferably, both the first locking member 211 and the second locking member 221 include a pressing block 2111 and an elastic member 2112 disposed on the pressing block 2111, the pressing block 2111 of the first locking member 211 and the second locking member 221 The pressing block 2111 can clamp the wire of the arrester under the elastic force of the elastic member 2112 . When the first receiving part 21 and the second receiving part 22 are put together, the elastic part 2112 of the first locking part 211 and the elastic part 2112 of the second locking part 221 abut against the wire of the arrester, and the elastic part 2112 produces elastic deformation , so that the pressing piece 2111 of the first locking member 211 and the pressing piece 2111 of the second locking member 221 clamp the wire of the arrester under the elastic force of the elastic member 2112 .

In this embodiment, the elastic member 2112 is preferably a rubber washer, which has good elasticity and can produce elastic deformation, so as to be suitable for clamping wires with different diameters. At the same time, after clamping the wire of the arrester, the rubber gasket can fill the gap between the wire and the pressing block 2111, thereby ensuring the airtightness of the protective device of the arrester, so as to play a good insulating role.

Optionally, both the first receiving part 21 and the second receiving part 22 are provided with installation grooves 214, and the side of the pressure block 2111 facing away from the elastic member 2112 is provided with installation protrusions, which can be clamped in the installation grooves 214 inside. The cooperation between the installation protrusion and the installation groove 214 can easily install and disassemble the first locking member 211 and the second locking member 221, if the first locking member 211 or the second locking member 221 is damaged and cannot be used, it can be replaced The new first locking member 211 or the second locking member 221 reduces the maintenance cost of the arrester protection device and prolongs the service life of the arrester protection device.

As shown in FIG. 1 , optionally, the first receiving portion 21 is provided with a first hook 212 , and the second receiving portion 22 is provided with a first slot 222 , and the first hook 212 can be snapped into the first slot. 222, so that the first accommodating portion 21 and the second accommodating portion 22 are combined. Further, the first protective shell 11 is provided with a second hook 112, and the second protective shell 12 is provided with a second slot 122, the second hook 112 can be snapped into the second slot 122, so that the first The protective shell 11 is combined with the second protective shell 12 . In this embodiment, the second hook 112 is located at the lower end of the first protective shell 11 , and the second locking slot 122 is located at the lower end of the second protective shell 12 . When the first protective shell 11 is docked with the second protective shell 12, the first hook 212 snaps into the first slot 222, and the second hook 112 snaps into the second slot 122, so that the first protective shell 11 and The second protective shell 12 is spliced and connected, and the first receiving part 21 and the second receiving part 22 are spliced and connected, and are sleeved on the wire of the arrester, so as to ensure that the protective device of the arrester can be stably fixed on the arrester, with good integrity and convenient installation .

In this embodiment, preferably, both the first locking slot 222 and the second locking slot 122 are through slots, and the outer side wall of the second protective shell 12 and the outer side wall of the second receiving portion 22 are protrudingly provided with abutting parts, As shown in Figure 1. The first hook 212 extends out of the first slot 222 and abuts against the abutting portion of the second receiving portion 22 , and the second hook 112 extends out of the second slot 122 and abuts against the abutting portion of the second protective shell 12 . then on. When it is necessary to remove the lightning arrester protection device and replace it with a new lightning arrester, it is only necessary to push the first hook 212 and the second hook 112 to disengage from the abutting portion, and then the first hook 212 is disengaged from the first groove 222, and the second The second hook 112 disengages from the second slot 122 to open the first protective shell 11 and the second protective shell 12 , which is easy to operate and saves time and effort.

Further preferably, both sides of the first receiving portion 21 are provided with first hooks 212 , and correspondingly, both sides of the second receiving portion 22 are provided with first locking grooves 222 , so as to ensure that the first receiving portion 21 The connection with the second receiving part 22 is stable.

As shown in Figures 1 and 2, optionally, two lead assemblies 2 are provided, one lead assembly 2 is located at the top of the protective assembly 1, the other lead assembly 2 is located at the side of the protective assembly 1, and is connected with the first protective shell 11 and the rotating connection end of the second protective shell 12 are opposite. By arranging two lead wire assemblies 2, the wires of the lightning arrester can be adaptively led out from one of the lead wire assemblies 2 according to the actual situation, adapting to different wire lead methods, and expanding the applicable range of the lightning arrester protection device.

The lightning arrester protective device provided by this embodiment, when installing, firstly open the first protective shell 11 and the second protective shell 12 that are connected in rotation, so that the first protective shell 11 and the second protective shell 12 are wrapped on the outside of the exposed end of the lightning arrester, and the lightning arrester The wires are located between the first receiving portion 21 and the second receiving portion 22 . Then, rotate the first protective shell 11 and the second protective shell 12 again, so that the first protective shell 11 is docked with the second protective shell 12, the first receiving part 21 is docked with the second receiving part 22, and at the same time, the first locking member Both the elastic member 2112 of 211 and the elastic member 2112 of the second locking member 221 are in contact with the outer surface of the wire of the arrester. Finally, the first hook 212 is snapped into the first slot 222, and the second hook 112 is snapped into the second slot 122, so that the pressing block 2111 of the first locking piece 211 and the second locking piece 221 The pressing block 2111 clamps the wire of the arrester under the elastic force of the elastic member 2112, thereby stably fixing the protective device of the arrester on the arrester.

Embodiment two

As shown in FIG. 1 and FIG. 2 , this embodiment provides a lightning arrester protection device, wherein parts that are the same as or corresponding to those in Embodiment 1 use the reference numerals corresponding to Embodiment 1. For the sake of brevity, only the difference between Embodiment 2 and Embodiment 1 will be described. The difference is that, in this embodiment, optionally, the side of the first receiving portion 21 away from the first protective shell 11 and the second receiving portion 22 is provided with an end cover 213 on the side away from the second protective shell 12 , and the end cover 213 is detachably connected with the first receiving part 21 or the second receiving part 22 . Preferably, a plurality of breakable connecting parts are arranged at intervals along the circumferential direction on the edges of the top ends of the first receiving part 21 and the second receiving part 22 , and the end cap 213 is integrally formed with the connecting parts. When installing the lightning arrester protection device, according to the lead wire method of the lightning arrester, the end cap 213 of the first housing part 21 and the second housing part 22 of one of the lead assembly 2 can be broken off, so that the wire of the lightning arrester can protrude out of the first protection. The housing chamber formed by the shell 11 and the second protective shell 12 . The end cover 213 of the other lead assembly 2 is reserved to ensure the sealing of the arrester protection device.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (5)

1. An arrester guard, comprising:

the protection assembly (1) comprises a first protection shell (11) and a second protection shell (12) which are connected in a rotating mode, wherein the first protection shell (11) and the second protection shell (12) define an accommodating cavity, and the accommodating cavity is used for accommodating the exposed end of the lightning arrester;

the lead assembly (2) comprises a first accommodating part (21) and a second accommodating part (22), the first accommodating part (21) is positioned on the first protective shell (11), the second accommodating part (22) is positioned on the second protective shell (12), when the first protective shell (11) is combined with the second protective shell (12), the first accommodating part (21) and the second accommodating part (22) are combined to form a guide channel, and the lead of the lightning arrester extends out of the accommodating cavity through the guide channel;

a first locking member (211) is arranged in the first accommodating part (21), a second locking member (221) is arranged in the second accommodating part (22), and when the first accommodating part (21) is combined with the second accommodating part (22), the first locking member (211) and the second locking member (221) can clamp the conducting wire of the lightning arrester;

a first clamping hook (212) is arranged on the first accommodating part (21), a first clamping groove (222) is arranged on the second accommodating part (22), and the first clamping hook (212) can be clamped into the first clamping groove (222) so that the first accommodating part (21) and the second accommodating part (22) are spliced;

the first locking piece (211) and the second locking piece (221) comprise pressing blocks (2111) and elastic pieces (2112) arranged on the pressing blocks (2111), and the pressing blocks (2111) of the first locking piece (211) and the pressing blocks (2111) of the second locking piece (221) can clamp the conducting wires of the lightning arrester under the elastic force of the elastic pieces (2112);

mounting grooves (214) are formed in the first accommodating part (21) and the second accommodating part (22), mounting protrusions are arranged on one side, back to the elastic part (2112), of the pressing block (2111), and the mounting protrusions can be clamped in the mounting grooves (214);

the lead assemblies (2) are arranged in two numbers, one lead assembly (2) is located at the top end of the protection assembly (1), and the other lead assembly (2) is located on the side face of the protection assembly (1) and opposite to the rotating connecting ends of the first protection shell (11) and the second protection shell (12).

2. A lightning arrester protector device according to claim 1 further comprising a rotating shaft (3), the first protective shell (11) is provided with a first connecting portion (111), the second protective shell (12) is provided with a second connecting portion (121), the first connecting portion (111) and the second connecting portion (121) are both provided with a through hole (1111), and the rotating shaft (3) penetrates through the through hole (1111) of the first connecting portion (111) and the through hole (1111) of the second connecting portion (121) and is rotatably matched with the through hole (1111).

3. A lightning arrester protector according to claim 1 characterized in that the first protective shell (11) is provided with a second hook (112), the second protective shell (12) is provided with a second slot (122), and the second hook (112) can be snapped into the second slot (122) to combine the first protective shell (11) and the second protective shell (12).

4. A lightning arrester protection device according to claim 1, characterized in that the side of the first receptacle (21) remote from the first protective shell (11) and the side of the second receptacle (22) remote from the second protective shell (12) are each provided with an end cap (213), the end caps (213) being detachably connected to the first receptacle (21) or the second receptacle (22).

5. A lightning arrester protection device according to any of claims 1-4 characterized in that the protection module (1) and the lead module (2) are both made of transparent material.

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