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A device for protecting satellite storage battery discharge switch and its operation method

A technology of discharge switch and protection switch, applied in battery circuit devices, electronic switches, circuit devices, etc., can solve problems such as changing the on-off state

Active Publication Date: 2022-03-15
INNOVATION ACAD FOR MICROSATELLITES OF CAS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the battery discharge switch is affected by external force in the active section of the vehicle, thereby changing the on-off state, the invention provides a device for protecting the satellite battery discharge switch and its operation method, using the "normally closed" of the 2KX-1 travel switch The contact is used to control the protection switch branch. After the star-arrow is separated, the "normally closed" contact of the 2KX-1 travel switch changes from a compressed state to a released state, and the contact is connected. This signal controls the protection switch branch to Guaranteed on-board power supply

Method used

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  • A device for protecting satellite storage battery discharge switch and its operation method
  • A device for protecting satellite storage battery discharge switch and its operation method
  • A device for protecting satellite storage battery discharge switch and its operation method

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Embodiment Construction

[0025] In the following description, the present invention is described with reference to various examples. One skilled in the art will recognize, however, that the various embodiments may be practiced without one or more of the specific details, or with other alternative and / or additional methods, materials, or components. In other instances, well-known structures, materials, or operations are not shown or described in detail so as not to obscure the inventive concepts of the present invention. Similarly, for purposes of explanation, specific quantities, materials and configurations are set forth in order to provide a thorough understanding of embodiments of the invention. However, the invention is not limited to these specific details. Furthermore, it should be understood that the embodiments shown in the drawings are illustrative representations and are not necessarily drawn to correct scale.

[0026] In this specification, reference to "one embodiment" or "the embodiment...

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Abstract

The invention provides a device for protecting a discharge switch of a satellite accumulator and an operation method thereof, which includes connecting a protection switch and a P-type MOS tube in parallel on a double-parallel discharge switch. When the star and arrow are separated, the "normally closed" contact of the travel switch is turned into an on state, and the signal is transmitted to the gate of the power MOS tube to turn on the power MOS tube, and then the protection switch branch is connected, thereby Ensure that the battery can supply power to the equipment on the star.

Description

technical field [0001] The invention relates to the field of electronic power supplies, in particular to the protection technology of a discharge switch of a satellite storage battery. Background technique [0002] The power system is one of the important subsystems of the satellite platform, which is used to provide energy for the satellite and perform energy management. The battery discharge switch in the power supply system is used to control the on-off of the battery pack and the bus power supply. Most of the satellites used as the main star are in the active launch section before the satellite sail is deployed, mainly relying on the battery to supply power to the equipment on the star through the discharge switch. The discharge switch is usually It is composed of magnetic latching power relay or MOSFET power tube. Such as figure 1 As shown, two identical discharge switch relays 101 and 102 are usually connected in parallel on satellites at present, and the two relays ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H03K17/081
CPCH02J7/0063H02J7/0029H03K17/08104
Inventor 方圆曹彩霞杨肖锋徐正军朱月峰
Owner INNOVATION ACAD FOR MICROSATELLITES OF CAS
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