CN220730308U

CN220730308U - Multifunctional monitor assembly and lightning protection system

Info

Publication number: CN220730308U
Application number: CN202322291890.3U
Authority: CN
Inventors: 韩红刚; 张志强; 侯磊磊; 陈永波; 王玉玲; 王允文; 王博; 韩建军
Original assignee: Xi'an Voyage Power Technology Co ltd
Current assignee: Xi'an Voyage Power Technology Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-04-05
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a multifunctional monitor assembly and a lightning protection system, which belong to the field of cable overvoltage protection, and comprise: the LED lamp comprises a shell, a signal input circuit, a current measuring circuit, a discharge counting circuit and a protection circuit, wherein the signal input circuit, the current measuring circuit, the discharge counting circuit and the protection circuit are arranged in the shell and are mutually connected, the shell also comprises a storage battery, a first LED lamp, a second LED lamp, a first switch part and a second switch part, the first LED lamp, the second LED lamp, the first switch part and the second switch part are used for verifying whether the storage battery has electricity or not, the storage battery, the first LED lamp and the second LED lamp are positioned in the shell, the first switch part and the second switch part are fixedly arranged outside the shell, the first LED lamp and the first switch part are connected with the storage battery in series through wires, the second LED lamp and the second switch part are connected with the storage battery in series through wires, and the first LED lamp and the second LED lamp are connected in parallel; the second switch portion includes a first outer joint and a second outer joint, the first outer joint and the second outer joint being disconnected.

Description

Multifunctional monitor assembly and lightning protection system

Technical Field

The utility model belongs to the field of cable overvoltage protection, and particularly relates to a multifunctional monitor assembly and a lightning protection system.

Background

The arrester operation monitor is an electric device which is connected in series with the grounding end of the arrester and is used for monitoring the action times and leakage current of the arrester, and is used for a gapless Metal Oxide Arrester (MOA) so as to improve the operation reliability of the arrester and the power supply quality of a system, and the use environment of the arrester is the same as that of the arrester.

However, the monitor generally needs to determine whether the lightning arrester has a problem from the value after the lightning arrester is wetted for a long time, and if the lightning arrester is struck by lightning during the period, the lightning arrester is likely to not have a lightning protection effect, and then the conveying cable is damaged. The composite lightning arrester is likely to fail when being struck by lightning, so that a system is short-circuited, and accidents occur.

Disclosure of Invention

The utility model aims to provide a multifunctional monitor assembly and a lightning protection system, which are used for adding an additional damp display function to the existing lightning arrester operation monitor.

In order to achieve the above object, the present utility model provides the following technical solutions:

a multi-function monitor assembly, comprising: the LED lamp comprises a shell, a signal input circuit, a current measuring circuit, a discharge counting circuit and a protection circuit, wherein the signal input circuit, the current measuring circuit, the discharge counting circuit and the protection circuit are arranged in the shell and are mutually connected, the shell also comprises a storage battery, a first LED lamp, a second LED lamp, a first switch part and a second switch part, the first LED lamp, the second LED lamp, the first switch part and the second switch part are used for verifying whether the storage battery has electricity or not, the storage battery, the first LED lamp and the second LED lamp are positioned in the shell, the first switch part and the second switch part are fixedly arranged outside the shell, the first LED lamp and the first switch part are connected with the storage battery in series through wires, the second LED lamp and the second switch part are connected with the storage battery in series through wires, and the first LED lamp and the second LED lamp are connected in parallel;

the second switch portion includes a first outer joint and a second outer joint, the first outer joint and the second outer joint being disconnected.

The discharge counting circuit is provided with an electromagnetic counter, the shell is provided with a transparent cover, and the display end of the electromagnetic counter, the light-emitting end of the first LED lamp and the light-emitting end of the second LED lamp are opposite to the transparent cover.

Compared with the prior art, in the multifunctional monitor assembly, the storage battery is additionally arranged in the shell, and the first LED lamp, the second LED lamp, the first switch part and the second switch part are used for verifying whether the storage battery has electricity. The first switch part and the second switch part are fixedly arranged outside the shell, the first LED lamp and the first switch part are connected with the storage battery in series through a wire, the second LED lamp and the second switch part are connected with the storage battery in series through a wire, and the first LED lamp and the second LED lamp are connected in parallel; the second switch part comprises a first outer joint and a second outer joint, and the first outer joint is disconnected with the second outer joint. The light and shade display through second LED lamp and first LED lamp helps the maintainer judge whether the arrester wets in advance.

The utility model also provides a lightning protection system, comprising: the multifunctional monitor assembly comprises a frame body, the multifunctional monitor assembly and a composite lightning arrester;

the composite lightning arrester includes: the lightning arrester comprises a first electrode, a lightning arrester element, a second electrode, a composite insulating sleeve, a moisture absorption liquefaction block body, an insulating layer, a conductive rod and a base, wherein a first accommodating cavity is formed in the composite insulating sleeve, the first electrode, the lightning arrester element, the second electrode, the insulating layer, the conductive rod and the base which are sequentially connected are arranged in the first accommodating cavity, one end of the first electrode is electrically connected with the lightning arrester element, the other end of the first electrode penetrates through the composite insulating sleeve to be connected with the outside, one end of the conductive rod penetrates through the base and the insulating layer to be connected with the second electrode, and the other end of the conductive rod is externally connected;

the second accommodating cavity is communicated with a clearance space between the lightning arrester element and the composite insulating sleeve, the second accommodating cavity is internally provided with the moisture absorption liquefaction block body, a first contact spring piece and a second contact spring piece, one end of the first contact spring piece penetrates through the insulating layer and the composite insulating sleeve respectively, the other end of the first contact spring piece is positioned at one side of the moisture absorption liquefaction block body, one end of the second contact spring piece penetrates through the insulating layer and the composite insulating sleeve respectively, and the other end of the second contact spring piece is positioned at the other side of the moisture absorption liquefaction block body; when the first contact spring piece and the second contact spring piece are in moisture absorption and liquefaction block-shaped bodies, the first contact spring piece and the second contact spring piece are disconnected, and when the moisture absorption and liquefaction block-shaped bodies are in moisture absorption and fusion, the first contact spring piece and the second contact spring piece are in contact and are connected;

the multifunctional monitor assembly and the composite lightning arrester are fixedly arranged on the frame body, a high-voltage outlet end of the multifunctional monitor assembly is connected with a conductive rod of the composite lightning arrester, a shell of the multifunctional monitor assembly is grounded, the first outer connector is electrically connected with the first contact spring plate, and the second outer connector is electrically connected with the second contact spring plate.

The outer surface of the moisture absorption liquefaction block is wound with a net-shaped outer framework.

The moisture absorption liquefaction block body is calcium chloride.

The first contact spring piece comprises a first spring piece supporting piece and a first spring piece contact piece, wherein the first spring piece supporting piece is fixedly connected with the insulating layer and the composite insulating sleeve, and the first spring piece contact piece is fixedly connected with the first spring piece supporting piece;

the second contact spring piece comprises a second spring piece supporting piece and a second spring piece contact piece, wherein the second spring piece supporting piece is capable of conducting electricity, the second spring piece supporting piece is fixedly connected with the insulating layer and the composite insulating sleeve, and the second spring piece contact piece is fixedly connected with the second spring piece supporting piece.

The connecting port of the insulating tube and the second accommodating cavity is positioned at the upper layer of the second accommodating cavity, and the moisture absorption liquefaction block body is positioned at the upper layer of the second accommodating cavity;

the middle layer of the second accommodating cavity is provided with a funnel-shaped waterproof film, and the middle part of the waterproof film is provided with a through hole for guiding the liquefied moisture absorption liquefaction block body into the lower layer of the second accommodating cavity.

Compared with the prior art, the lightning protection system has the advantages that the lightning protection system has the same advantages as the multifunctional monitor assembly according to the technical scheme, and the detailed description is omitted.

Drawings

FIG. 1 is a schematic front view of a multi-function monitor assembly of the present utility model;

FIG. 2 is a schematic view of the installation of the multifunctional monitor assembly and lightning arrester of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 3 at A in FIG. 2;

fig. 4 is a cross-sectional view taken along the direction a-a in fig. 3.

Reference numerals: 1. a lightning arrester element; 11. a first electrode; 12. a second electrode; 13. a first connecting fastener; 14. a second connecting fastener; 141. a conductive rod; 2. a composite umbrella skirt cover; 21. umbrella skirt; 3. an insulating layer; 4. a winding layer; 5. a second accommodation chamber; 51. a water-blocking film; 52. a liquid material; 53. a first spring contact; 54. a second spring contact; 55. a first connection ring; 56. a second connecting ring; 57. a first spring support; 58. the second elastic piece support piece; 59. liquefying the block body by moisture absorption; 6. an insulating tube; 7. a base; 8. a multi-function monitor assembly; 81. a first LED lamp; 82. a second LED lamp; 83. a first outer joint; 831. a first outer joint connection line; 84. a second outer joint; 841. a second outer joint connection line; 85. a first switch section; 86. an electromagnetic counter; 87. a housing.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.

Referring to fig. 1 and 2, a schematic structural diagram of a multifunctional monitor assembly according to the present disclosure is shown, where the multifunctional monitor assembly includes: a housing 87, and a signal input circuit, a current measuring circuit, a discharge counting circuit, and a protection circuit which are provided in the housing and are connected to each other.

The shell 87 also comprises a storage battery, a first LED lamp 81, a second LED lamp 82, a first switch part 85 and a second switch part for verifying whether the storage battery has electricity, wherein the storage battery, the first LED lamp 81 and the second LED lamp 82 are positioned in the shell 87, the first switch part 85 and the second switch part are fixedly arranged outside the shell 87, the first LED lamp 81 and the first switch part 85 are connected with the storage battery in series through wires, the second LED lamp 82 and the second switch part are connected with the storage battery in series through wires, and the first LED lamp 81 and the second LED lamp 82 are connected in parallel; the second switching section includes a first outer joint 83 and a second outer joint 84, the first outer joint 83 and the second outer joint 84 being disconnected.

Under the normal operation condition, the leakage current of the lightning arrester is processed by the rectifying circuit and the filtering circuit of the signal input circuit, and then the discharge current is measured by the current measuring circuit. The current discharge is measured by the discharge counter circuit and recorded by the electromagnetic counter 86. The protection circuit is used for protecting the current measuring circuit and the discharge counting circuit.

The casing 87 is made of conductive material, and the casing 87 is directly connected to the ground. The casing 87 is provided with a transparent cover, and the display end of the electromagnetic counter 86, the light-emitting end of the first LED lamp 81 and the light-emitting end of the second LED lamp 82 are opposite to the transparent cover.

In an example, the multifunctional monitor assembly of the present utility model further comprises a storage battery, a first LED lamp 81, a second LED lamp 82, a first switch portion 85 and a second switch portion for verifying whether the storage battery has electricity, wherein the storage battery, the first LED lamp 81 and the second LED lamp 82 are located inside the housing 87, the first switch portion 85 and the second switch portion are fixedly disposed outside the housing 87, the first LED lamp 81 and the first switch portion 85 are connected in series with the storage battery through wires, the second LED lamp 82 and the second switch portion are connected in series with the storage battery through wires, and the first LED lamp 81 and the second LED lamp 82 are connected in parallel; the second switching section includes a first outer joint 83 and a second outer joint 84, the first outer joint 83 and the second outer joint 84 being disconnected.

The multifunctional monitor assembly of this example is used with the complex arrester in the lightning protection system below, has the nature that adopts the wet absorption liquefaction massive body 59 to absorb moisture in the complex arrester to melt, in the complex insulation cover breaks the back, moisture gets into the complex insulation cover, and wet absorption liquefaction massive body 59 melts after absorbing moisture gradually, and the first contact shell fragment and the second contact shell fragment that are located wet absorption liquefaction massive body 59 both sides just can contact each other, and maintenance personnel only need measure and whether switch on between first contact shell fragment and the second contact shell fragment alright know whether the complex insulation cover breaks. The multifunctional monitor assembly disclosed by the utility model is connected with a composite lightning arrester disclosed in a lightning protection system below. Whether the second LED lamp 82 emits light can enable maintenance personnel to quickly know whether the first contact elastic sheet and the second contact elastic sheet in the composite lightning arrester are contacted or not, and whether the composite insulating sleeve is broken or not is further determined. To prevent the second LED lamp 82 from being unable to emit light in time due to damage or no conduction of the battery. The maintenance personnel check whether the first LED lamp 81 can be lighted by opening the first switch part 85, and if the first LED lamp 81 is not lighted, the problem of the storage battery is described, and the maintenance personnel charge or maintain the storage battery in time.

In this example, in a specific operation, the first switch section 85 is in an off state, and the second LED lamp 82, the second switch section, and the battery are in a series relationship. The second switching section includes a first outer joint 83 and a second outer joint 84, the first outer joint 83 and the second outer joint 84 being disconnected. But the first outer joint 83 is electrically connected to the first contact spring by a first outer joint connection 831, and the second outer joint 84 is electrically connected to the second contact spring by a second outer joint connection 841. After the moisture absorption and melting of the moisture absorption and liquefaction block 59, the first contact spring sheet and the second contact spring sheet are conducted, the first outer connector 83 and the second outer connector 84 are conducted, the second LED lamp 82 is conducted with the storage battery, and the second LED lamp emits light. The maintenance personnel can determine that the composite insulating sleeve is broken after finding that the second LED lamp emits light. And replacing the target composite lightning arrester.

In summary, in the multifunctional monitor assembly provided by the utility model, the storage battery, the first LED lamp, the second LED lamp, the first switch part and the second switch part for verifying whether the storage battery has electricity are additionally arranged in the shell. The first switch part and the second switch part are fixedly arranged outside the shell, the first LED lamp and the first switch part are connected with the storage battery in series through a wire, the second LED lamp and the second switch part are connected with the storage battery in series through a wire, and the first LED lamp and the second LED lamp are connected in parallel; the second switch part comprises a first outer joint and a second outer joint, and the first outer joint is disconnected with the second outer joint. The light and shade display through second LED lamp and first LED lamp helps the maintainer judge whether the arrester wets in advance.

Referring to fig. 2, the utility model also discloses a lightning protection system, which comprises the multifunctional monitor assembly 8 and a composite lightning arrester.

The composite lightning arrester is used in a power grid system and can bear large current, and comprises a first electrode 11, a lightning arrester element 1, a second electrode 12, a composite insulating sleeve, a moisture absorption liquefaction block 59, an insulating layer 3, a conductive rod 141 and a base 7.

The composite insulating sleeve is internally provided with a first accommodating cavity, a first electrode 11, a lightning arrester element 1, a second electrode 12, an insulating layer 3, a conductive rod 141 and a base 7 which are sequentially connected are arranged in the first accommodating cavity, one end of the first electrode 11 is electrically connected with the lightning arrester element 1, the other end of the first electrode 11 penetrates through the composite insulating sleeve to be connected with the outside, one end of the conductive rod 141 penetrates through the base 7 and the insulating layer 3 to be connected with the second electrode 12, and the other end of the conductive rod 141 is externally connected;

the lightning arrester element 1 therein generally employs a zinc oxide core. The insulating layer 3 serves to create an insulating first accommodation chamber. After the lightning strike on the system, the excess current first flows in from the first electrode 11, passes through the lightning arrester element 1 and the second electrode 12 and then flows out from the conductive rod 141. The composite insulating sleeve comprises a winding layer 4 made of glass fiber soaked with epoxy resin and a composite umbrella skirt sleeve 2 with an umbrella skirt 21, wherein the composite umbrella skirt sleeve 2 is sleeved outside the winding layer 4, and the first accommodating cavity is positioned inside the winding layer 4.

For easy installation, the conductive rod 141 is threaded, and the base 7 is located at the bottom of the composite lightning arrester. One end of the composite insulating sleeve is provided with a first connecting fastener 13, the other end of the composite insulating sleeve is provided with a second connecting fastener 14, the first connecting fastener 13 is arranged on the first electrode 11, and the second connecting fastener 14 and the base 7 are in threaded fixed connection.

The insulating layer 3 is internally provided with a second accommodating cavity 5, the second accommodating cavity 5 is communicated with a clearance space between the lightning arrester element 1 and the composite insulating sleeve, the second accommodating cavity 5 is internally provided with a first contact spring piece and a second contact spring piece, one end of the first contact spring piece penetrates through the insulating layer 3 and the composite insulating sleeve respectively, the other end of the first contact spring piece is located on one side of the moisture absorption liquefaction block 59, one end of the second contact spring piece penetrates through the insulating layer 3 and the composite insulating sleeve respectively, and the other end of the second contact spring piece is located on the other side of the moisture absorption liquefaction block 59. When the first contact spring piece and the second contact spring piece are provided with the moisture absorption and liquefaction block-shaped body 59, the first contact spring piece and the second contact spring piece are disconnected, and when the moisture absorption and liquefaction block-shaped body 59 absorbs moisture and melts, the first contact spring piece and the second contact spring piece are contacted and connected.

The arrester element 1 is typically composed of a plurality of zinc oxide varistors connected in series, the series arrangement of which creates more clearance space. After the composite insulating sleeve is broken, moisture in the outside air can enter the clearance space, so that the zinc oxide piezoresistor is invalid. The material of the hygroscopic liquefied block 59 is calcium chloride. The above-mentioned scheme adopts the wet absorption of wet absorption liquefaction massive body 59 to melt the nature, in compound insulating cover breaks the back, and moisture gets into compound insulating cover in, and wet absorption liquefaction massive body 59 melts after absorbing moisture gradually, and first contact shell fragment and the second contact shell fragment that is located wet absorption liquefaction massive body 59 both sides just can contact each other, and maintenance personnel only need measure whether switch on between first contact shell fragment and the second contact shell fragment and can know whether compound insulating cover breaks.

In a specific application, the multifunctional monitor assembly can be used for measuring whether the first contact spring piece and the second contact spring piece are in contact. The first outer connector 83 and the second outer connector 84 on the multifunctional monitor assembly are directly electrically connected with the first contact spring and the second contact spring through wires, and the multifunctional monitor assembly monitors whether the first contact spring and the second contact spring of each composite lightning arrester are conducted or not at all times. After the first contact spring and the second contact spring of a certain composite lightning arrester are monitored to be conducted, maintenance personnel can be timely reminded of measuring and replacing the target composite lightning arrester through the multifunctional monitor assembly. The safety of the power supply circuit of the power grid is improved.

The first contact spring piece comprises a first spring piece supporting piece 57 and a first spring piece contact piece 53, wherein the first spring piece supporting piece 57 is fixedly connected with the insulating layer 3 and the composite insulating sleeve, and the first spring piece contact piece 53 is fixedly connected with the first spring piece supporting piece 57. The second contact spring comprises a second spring support 58 and a second spring contact 54, the second spring support 58 is fixedly connected with the insulating layer 3 and the composite insulating sleeve, and the second spring contact 54 is fixedly connected with the second spring support 58. The first spring piece support 57 is a conductor and is electrically connected to the first spring piece contact 53. The second spring support 58 is a conductor and is electrically connected to the second spring contact 54.

When calcium chloride is used for the hygroscopic liquefied block 59, the strength thereof is not good. Therefore, as shown in fig. 3 and 4, the outer surface of the hygroscopic and liquefied block 59 is wound with a mesh-shaped outer skeleton, and the mesh-shaped outer skeleton includes a plurality of first connecting rings 55 in the transverse direction and a plurality of second connecting rings 56 in the vertical direction, and the first connecting rings 55 and the second connecting rings 56 are sleeved on the outer surface of the hygroscopic and liquefied block 59 in a crossing manner. After adding the outer skeleton to the outside of the hygroscopic liquefaction block 59, when the hygroscopic liquefaction block 59 receives the extrusion force of the first contact spring and the second contact spring, the hygroscopic liquefaction block 59 cannot be easily pinched off, and the possibility of false contact between the first contact spring and the second contact spring is reduced.

As shown in fig. 2, the upper end of the composite lightning arrester is connected with a high-voltage cable. The tail end of the conductive rod 141 of the composite lightning arrester is connected with the high-voltage outlet end of the multifunctional monitor assembly, and the shell of the multifunctional monitor assembly is grounded and installed. The multifunctional monitor assembly is matched with a composite lightning arrester in a lightning protection system, the composite lightning arrester is internally provided with the property of adopting the moisture absorption and liquefaction block 59 to absorb moisture and melt, after the composite insulating sleeve is broken, moisture enters the composite insulating sleeve, the moisture absorption and liquefaction block 59 gradually absorbs the moisture and then melts, the first contact spring sheet and the second contact spring sheet which are positioned on two sides of the moisture absorption and liquefaction block 59 can be mutually contacted, and a maintainer can know whether the composite insulating sleeve is broken or not by only measuring whether the first contact spring sheet and the second contact spring sheet are conducted. The multifunctional monitor assembly disclosed by the utility model is connected with a composite lightning arrester disclosed in a lightning protection system below. Whether the second LED lamp 82 emits light can enable maintenance personnel to quickly know whether the first contact elastic sheet and the second contact elastic sheet in the composite lightning arrester are contacted or not, and whether the composite insulating sleeve is broken or not is further determined. To prevent the second LED lamp 82 from being unable to emit light in time due to damage or no conduction of the battery. The maintenance personnel check whether the first LED lamp 81 can be lighted by opening the first switch part 85, and if the first LED lamp 81 is not lighted, the problem of the storage battery is described, and the maintenance personnel charge or maintain the storage battery in time.

According to the lightning protection system provided by the utility model, the second accommodating cavity is formed in the insulating layer to accommodate the moisture absorption and liquefaction block body, the second accommodating cavity is communicated with the gap space between the lightning arrester element and the composite insulating sleeve, the moisture absorption and liquefaction block body is arranged in the second accommodating cavity, so that the composite insulating sleeve is subjected to drying treatment on the space where the lightning arrester element is positioned within a certain time after the composite insulating sleeve is broken, the lightning arrester element is prevented from being wetted and failing, meanwhile, as the moisture absorption and liquefaction block body absorbs the moisture in the air, the moisture absorption and liquefaction block body can be liquefied, when an overhaul worker overhauls, whether the moisture absorption and liquefaction block body is melted or not can be judged by checking the lighting conditions of the first LED lamp and the second LED lamp, and then whether the composite lightning arrester is broken or not is judged.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A multi-function monitor assembly, comprising: the shell, and set up signal input circuit, current measurement circuit, discharge counting circuit and the protection circuit of interconnect in the shell, its characterized in that:

the shell is internally provided with a storage battery, a first LED lamp, a second LED lamp, a first switch part and a second switch part, wherein the first LED lamp, the second LED lamp, the first switch part and the second switch part are used for verifying whether the storage battery has electricity or not;

2. The multifunctional monitor assembly of claim 1, wherein the discharge counter circuit has an electromagnetic counter, the housing has a transparent cover thereon, and the display end of the electromagnetic counter, the light emitting end of the first LED lamp, and the light emitting end of the second LED lamp are opposite to the transparent cover.

3. A lightning protection system, comprising: a frame, the multifunctional monitor assembly of claim 1, and a composite lightning arrester;

4. A lightning protection system according to claim 3, wherein the outer surface of the hygroscopic liquefied block is wrapped with a mesh exoskeleton.

5. A lightning protection system according to claim 3, wherein said hygroscopic liquefied block is calcium chloride.

6. The lightning protection system according to claim 3, wherein the first contact spring comprises a first spring support and a first spring contact, wherein the first spring support is fixedly connected with the insulating layer and the composite insulating sleeve, and the first spring contact is fixedly connected with the first spring support;

7. A lightning protection system according to claim 3, wherein the connection port of the insulating tube with the second accommodation chamber is located at the upper layer of the second accommodation chamber, and the hygroscopic liquefaction block is located at the upper layer of the second accommodation chamber;