CN216390505U - Desktop type lightning protection device - Google Patents
Desktop type lightning protection device Download PDFInfo
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- CN216390505U CN216390505U CN202122615288.1U CN202122615288U CN216390505U CN 216390505 U CN216390505 U CN 216390505U CN 202122615288 U CN202122615288 U CN 202122615288U CN 216390505 U CN216390505 U CN 216390505U
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Abstract
The utility model provides a desktop type lightning protection device, which is embedded or semi-embedded and installed on other planes of a desktop and comprises a metal shell, a plug connecting wire, a PCB and a lightning protection module arranged on the PCB, wherein at least one socket is arranged on the metal shell and used for connecting equipment to be protected, the connecting part of the plug connecting wire is welded with the PCB, the plug part of the plug connecting wire is connected with a power socket, a first indicator lamp and a second indicator lamp are also arranged on the metal shell, the lightning protection module at least comprises a temperature fuse, a piezoresistor and a gas discharge tube, the first end of the temperature fuse is connected with a live wire, the second end of the temperature fuse is connected with the first end of the piezoresistor, the second end of the piezoresistor is connected with a zero line and the first end of the gas discharge tube, and the second end of the gas discharge tube is grounded. The lightning protection device can be directly installed on a desktop or other office places, meets the requirements of a plurality of office places on lightning protection fine protection, and has the advantages of simple structure, convenience in installation, small occupied space and lower cost.
Description
Technical Field
The utility model relates to the technical field of lightning protection, in particular to a desktop type lightning protection device used in the field of lightning protection of a power supply system in a lightning protection system.
Background
Lightning strikes include direct strikes, proximity strikes, and long-range strikes, which produce pulse currents and pulse voltages of magnitudes and energies that are particularly dangerous for the system being protected. When a direct lightning strike or an adjacent lightning strike occurs, a high potential is generated at the position due to the existence of the ground resistance, so that a high potential difference exists between the position and the far end, and the potential difference is a huge threat to the electrical equipment of the building. With the stricter requirements of relevant equipment on lightning Protection, especially the influence of direct lightning on a power supply system, installing a power supply Surge Protector (SPD) to suppress Surge and instantaneous overvoltage on a line and overcurrent on a bleeder line becomes one of the important links of the modern lightning Protection technology.
However, most of the office places with installed wiring are areas without lightning protection, and corresponding lightning protection devices are not installed, that is, the existing lightning protection devices cannot meet the requirements of many office places for fine lightning protection.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a desktop type lightning protection device which can be directly arranged on a desktop or other office places and is used for inhibiting induced lightning impulse.
In order to achieve the above main object, the present invention provides a desktop lightning protection device, where the lightning protection device is installed on other planes of a desktop in an embedded or semi-embedded manner, and the device includes: the lightning protection device comprises a metal shell, a plug connecting wire arranged on the metal shell, a PCB arranged in the metal shell and a lightning protection module arranged on the PCB, wherein at least one socket is arranged on the metal shell and is used for connecting equipment to be protected, the connecting part of the plug connecting wire is welded with the PCB, and the plug part of the plug connecting wire is connected with a power socket; the metal shell is also provided with a first indicator light and a second indicator light, and the first indicator light and the second indicator light are connected with the PCB; the lightning protection module at least comprises a temperature fuse, a piezoresistor and a gas discharge tube, wherein a first end of the temperature fuse is connected with a live wire, a second end of the temperature fuse is connected with a first end of the piezoresistor, a second end of the piezoresistor is connected with a zero line, a first end of the gas discharge tube is connected with a ground, and a second end of the gas discharge tube is grounded.
In a further scheme, the first end of the first indicator light is connected between the second end of the temperature fuse and the first end of the piezoresistor, the second end of the first indicator light is connected with the node 1, the first end of the second indicator light is connected with the node 1, and the second end of the second indicator light is grounded.
In a further scheme, the live wire of the first socket and the live wire of the second socket are connected with a node 3, the node 3 is connected with the first end of the temperature fuse and the live wire, the zero line of the first socket and the zero line of the second socket are connected with a node 2, the node 2 is connected with a node 1, and the ground wire of the first socket and the ground wire of the second socket are grounded.
In a further scheme, the plug connecting wire is connected with the conducting strip in the metal shell, a lightning protection circuit is arranged at the connecting position, and a non-combustion material layer is packaged outside the lightning protection circuit to form the lightning protection module.
In a further scheme, the first indicator light and the second indicator light are fixed on the metal shell by using hot melt adhesive.
In a further scheme, the metal shell comprises a bottom shell and a watchcase, a mounting part with a certain included angle is formed on the surface of the bottom shell, and at least one socket, a first indicator light and a second indicator light are arranged on the watchcase.
Therefore, the desktop type lightning protection device is used as a power surge protector in a desktop type installation mode for inhibiting induction lightning pulse, and lightning stroke of various induction lightning can be inhibited by installing the desktop type lightning protection device of a corresponding type in an area without lightning protection in an existing office place with installed and wired wires. The application of the product solves the requirement of a plurality of office places on lightning protection fine protection. The lightning protection device can be simply and conveniently installed without any large-batch disassembly and assembly wiring. The embedded type mounting method can be widely applied to the lightning protection of instruments and meters, can be directly mounted on a table top, is attractive and easy to use, and can be mounted in a small space at any time.
The embedded or semi-embedded socket meets the requirements of different customers, and different socket heads can be replaced in production according to the requirements of different countries and regions.
Therefore, the utility model provides a desktop type embedded installation structure which has simple structure, convenient installation, small occupied space, simple structure and lower cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a desktop lightning protection device according to the present invention.
Fig. 2 is a front view of an embodiment of a desktop lightning protection device of the utility model.
Fig. 3 is a side view of an embodiment of a desktop lightning protection device of the utility model.
Fig. 4 is a schematic circuit diagram of an embodiment of a desktop lightning protection device according to the utility model.
The utility model is further explained with reference to the drawings and the embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
Referring to fig. 1 to 4, a desktop lightning protection device of the present invention, which is embedded or semi-embedded and installed on other planes of a desktop, includes: metal casing 10, set up plug connecting wire 20 on metal casing 10, set up the PCB board in metal casing 10 and locate the lightning protection module on the PCB board, be equipped with two sockets on the metal casing 10, the socket is used for connecting and treats the protection device, plug connecting wire 20's connecting portion and PCB board welding, plug connecting wire 20's plug portion is connected with supply socket 200.
The metal shell 10 is further provided with a first indicator light 40 and a second indicator light 50, and the first indicator light 40 and the second indicator light 50 are connected with the PCB.
In this embodiment, the lightning protection module includes temperature protective tube FU, piezo-resistor MOV, gas discharge tube GDT at least, and live wire L is connected to temperature protective tube FU first end, and the first end of piezo-resistor MOV is connected to temperature protective tube FU second end, and zero line N, the first end of gas discharge tube GDT are connected to piezo-resistor MOV second end, and gas discharge tube GDT second end ground connection.
The first end of the first indicator light 40 is connected between the second end of the temperature fuse FU and the first end of the varistor MOV, the second end of the first indicator light 40 is connected with the node 1, the first end of the second indicator light 50 is connected with the node 1, and the second end of the second indicator light 50 is grounded.
The live wire L1 of the first socket and the live wire L2 of the second socket are connected with a node 3, the node 3 is connected with the first end of the temperature fuse FU and the live wire L, the zero line N1 of the first socket and the zero line N2 of the second socket are connected with a node 2, the node 2 is connected with a node 1, and the ground wire PE of the first socket and the ground wire PE of the second socket are grounded.
In this embodiment, the plug connecting wire 20 is connected to the conductive sheet inside the metal casing 10, and a lightning protection circuit is disposed at the connected position, and the non-combustible material layer is encapsulated outside the lightning protection circuit to form a lightning protection module. Therefore, the lightning protection circuit can effectively absorb surge overvoltage, and the lightning protection module is packaged by adopting a non-combustible material, so that the problem that the varistor MOV is easy to burn is effectively avoided.
In this embodiment, metal case 10 includes bottom case 12 and case 11, a mounting portion having an angle is formed on a surface of bottom case 12, and at least one socket, first indicator lamp 40, and second indicator lamp 50 are provided on case 11.
Wherein, a fixing plate is further disposed on the bottom case 12, and a mounting fixing hole 121 is further disposed on the fixing plate.
Preferably, the first indicator light 40 and the second indicator light 50 are fixed to the metal housing 10 using hot melt adhesive.
Preferably, the socket of the present embodiment is a 55-type socket.
Specifically, the desktop lightning protection device comprises a two-position metal shell 10, a 55-type socket, a PCB and other components.
Wherein, be in the same place socket connecting wire and PCB board welding through the welded mode, the position welding on the PCB board of live wire L and zero line N end has temperature protective tube FU and piezo-resistor MOV, adopts the series connection mode to connect between the two, the welding has discharge tube GDT between zero line N and ground wire, uses the fixed pilot lamp of hot melt adhesive after metal casing 10 packs into to use screw locking watchcase 11 and drain pan 12.
Therefore, the desktop type lightning protection device is used as a power surge protector in a desktop type installation mode for inhibiting induction lightning pulse, and lightning stroke of various induction lightning can be inhibited by installing the desktop type lightning protection device of a corresponding type in an area without lightning protection in an existing office place with installed and wired wires. The application of the product solves the requirement of a plurality of office places on lightning protection fine protection. The lightning protection device can be simply and conveniently installed without any large-batch disassembly and assembly wiring. The embedded type mounting method can be widely applied to the lightning protection of instruments and meters, can be directly mounted on a table top, is attractive and easy to use, and can be mounted in a small space at any time.
The embedded or semi-embedded socket meets the requirements of different customers, and different socket heads can be replaced in production according to the requirements of different countries and regions.
Meanwhile, different requirements of customers can be met through different style selections. Different standard socket ports can be used, and the requirements of different countries are met. Preferably, the product of the embodiment is designed according to the industrial standards of GB18802.11 and IEC61643-11, and meets the requirements of offices of various countries all over the world.
Therefore, the utility model provides a desktop type embedded installation structure which has simple structure, convenient installation, small occupied space, simple structure and lower cost.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made to the present invention by using the design concept also fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a desktop type lightning protection device which characterized in that, the lightning protection device is embedded or half embedded installation on other planes of desktop, and it includes:
the lightning protection device comprises a metal shell, a plug connecting wire arranged on the metal shell, a PCB arranged in the metal shell and a lightning protection module arranged on the PCB, wherein at least one socket is arranged on the metal shell and is used for connecting equipment to be protected, the connecting part of the plug connecting wire is welded with the PCB, and the plug part of the plug connecting wire is connected with a power socket;
the metal shell is also provided with a first indicator light and a second indicator light, and the first indicator light and the second indicator light are connected with the PCB;
the lightning protection module at least comprises a temperature fuse, a piezoresistor and a gas discharge tube, wherein a first end of the temperature fuse is connected with a live wire, a second end of the temperature fuse is connected with a first end of the piezoresistor, a second end of the piezoresistor is connected with a zero line, a first end of the gas discharge tube is connected with a ground, and a second end of the gas discharge tube is grounded.
2. The lightning protection device of claim 1, wherein:
the first end of the first indicator light is connected between the second end of the temperature fuse and the first end of the piezoresistor, the second end of the first indicator light is connected with the node 1, the first end of the second indicator light is connected with the node 1, and the second end of the second indicator light is grounded.
3. The lightning protection device of claim 2, wherein:
the live wire of the first socket and the live wire of the second socket are connected with a node 3, the node 3 is connected with the first end of the temperature fuse and the live wire, the zero line of the first socket and the zero line of the second socket are connected with a node 2, the node 2 is connected with a node 1, and the ground wire of the first socket and the ground wire of the second socket are grounded.
4. The lightning protection device according to any one of claims 1 to 3, wherein:
the plug connecting wire is connected with the conducting strip in the metal shell, a lightning protection circuit is arranged at the connected position, and a non-combustion material layer is packaged outside the lightning protection circuit to form the lightning protection module.
5. The lightning protection device according to any one of claims 1 to 3, wherein:
the first indicator light and the second indicator light are fixed on the metal shell by hot melt adhesive.
6. The lightning protection device according to any one of claims 1 to 3, wherein:
the metal shell comprises a bottom shell and a watchcase, wherein a mounting part with a certain included angle is formed on the surface of the bottom shell, and at least one socket, a first indicator light and a second indicator light are arranged on the watchcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615288.1U CN216390505U (en) | 2021-10-28 | 2021-10-28 | Desktop type lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615288.1U CN216390505U (en) | 2021-10-28 | 2021-10-28 | Desktop type lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216390505U true CN216390505U (en) | 2022-04-26 |
Family
ID=81246764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122615288.1U Active CN216390505U (en) | 2021-10-28 | 2021-10-28 | Desktop type lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216390505U (en) |
-
2021
- 2021-10-28 CN CN202122615288.1U patent/CN216390505U/en active Active
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