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Maneuvering type small-area field operation system power supply lightning protection device

A lightning protection device and small-area technology, applied in circuit devices, emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, etc., can solve problems such as surge protector damage and failure to meet, Achieve good safety guarantee, eliminate equipment failure and personal safety accident hidden effect

Pending Publication Date: 2020-05-15
北京捷安通达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] H. The existing mobile small-area field power supply lightning protection device, the main protective device is a surge protector with a piezoresistor as the core, which cannot meet the environmental requirements of lightning indirect effects in 5.4 of GJB1389A "System Electromagnetic Compatibility Requirements", and the main line 14 D-wave impacts of multiple lightning waveforms are required. Under 14 D-wave impacts of multiple lightning waveforms online, the surge protector with the piezoresistive element as the core will be completely damaged

Method used

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  • Maneuvering type small-area field operation system power supply lightning protection device
  • Maneuvering type small-area field operation system power supply lightning protection device
  • Maneuvering type small-area field operation system power supply lightning protection device

Examples

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Effect test

Embodiment 1

[0046] The structural diagram of the mobile small-area field trunk cable lightning protection device provided by the embodiment of the present invention is as follows: figure 1 As shown, it includes: outer body rotomolding type integrated special box 1, an input cable interface 2 and an output cable interface 3 are arranged outside the outer body rotomolding type integrated special box, and the input cable interface 2 is connected to an external power supply cable, the power supply cable It can be a mains cable or a generator car cable, and the output cable interface 3 is connected to a mobile field load device.

[0047] Inside the rotomoulding integrated special box, there are self-coupling pulse current discharge device 4, transient lightning current isolation device 5 (also known as: power isolation suppressor), transient pulse voltage suppressor 6 and precision overvoltage Absorber 7. The above-mentioned input cable interface 2 and output cable interface 3 may be 5-core a...

Embodiment 2

[0051] The schematic diagram of the connection circuit of a mobile small-area field trunk cable lightning protection device provided by this embodiment is as follows: figure 2 shown in figure 2 Among them, LA, LB and LC are the three live wires, PE is the ground wire, N is the neutral wire, a is the self-coupling pulse current discharge device, b is the transient lightning current isolation device, c is the transient pulse voltage suppressor, d is a precision overvoltage absorbing device, and q is a bypass capacitor.

[0052] The first-level protection device: it consists of 7 self-coupling pulse current discharge devices. The installation mode of the 7 self-coupling pulse current discharge devices is: install one in parallel from the three live wires to the ground wire, and install one in parallel from the neutral wire to the ground wire. One is installed, and one is installed in parallel from the three live wires to the neutral line, and a total of 7 are installed to comp...

Embodiment 3

[0059] The schematic diagram of the connection circuit of a mobile small-area field trunk cable lightning protection device provided by this embodiment is as follows: image 3 shown in image 3 Among them, L is the live wire, PE is the ground wire, N is the neutral wire, a is the self-coupling pulse current discharge device, b is the transient lightning current isolation device, c is the transient pulse voltage suppressor, and d is the precision overvoltage absorber device, q is the bypass capacitor.

[0060] The first-level protection device: consists of 3 self-coupling pulse current discharge devices, the installation mode of the 3 self-coupling pulse current discharge devices is: install 1 in parallel from the live wire to the ground wire, and install 1 in parallel from the neutral wire to the ground wire Only one is installed in parallel from the live wire to the neutral line, and three are used to complete the full mode protection.

[0061] The second level protection d...

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Abstract

The invention provides a maneuvering type small-area field operation system power supply lightning protection device. The device comprises: an outer body rotational molding type integrated special box. An input cable interface and an output cable interface are arranged in the outer body rotational molding type integrated special box; a self-coupling pulse current discharge device, a transient lightning current isolation device, a transient pulse voltage suppressor and a precise overvoltage absorption device are arranged in the outer body rotational molding type integrated special box. The self-coupling pulse current discharge device is a first-stage protection device. The transient pulse voltage suppressor is a second-stage protection device, the precision overvoltage absorption device isa third-stage protection device, and the first-stage protection device and the second-stage protection device, and the second-stage protection device and the third-stage protection device are connected in series through the transient lightning current isolation device. The maneuvering type small-area field operation system power supply lightning protection device can reduce and eradicate equipmentfaults and personal safety accident hidden dangers caused by lightning flashover, and good safety guarantee is provided for all-weather and all-area operation.

Description

technical field [0001] The invention relates to the technical field of lightning protection devices, in particular to a lightning protection device for a power supply of a mobile small-area field combat system. Background technique [0002] In modern warfare, fixed command systems, communication systems, weapons and equipment, and medical logistics supply systems have extremely poor invulnerability and are difficult to adapt to the needs of war survival under high-tech conditions. Including: mobile field combat positions in small areas, mobile field command posts, mobile field hospitals, mobile field logistics support warehouses, mobile field communication vehicles (field radar vehicles, field monitoring and monitoring vehicles, communication command vehicles) and mobile Integrated comprehensive information systems such as small-area combat positions (radar stations, observation stations, and command center computer rooms) must have the functions of transfer and mobile deplo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/00H02H9/02H02H9/04H02H9/06H01F41/02H01F1/01
CPCH01F1/01H01F41/0206H01F41/022H02H9/005H02H9/02H02H9/04H02H9/045H02H9/06
Inventor 全宇辰
Owner 北京捷安通达科技有限公司