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Multiple choice 1 switch system

A switching system and Darlington-driven technology, applied in general control systems, control/regulation systems, improvement of basic electrical components, etc., can solve problems such as poor safety of relay switch modules

Active Publication Date: 2019-08-23
哈尔滨诺信工大测控技术有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of poor safety of the existing relay switch module, thereby providing a multi-choice 1 switch system

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specific Embodiment approach 1

[0012] Specific Embodiment 1: The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0013] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0015] Multiple choice 1 switch system, including FPGA1, Darlington d...

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Abstract

A multi-choice 1 switch system relates to the field of test and control and aims to solve the problem of poor safety of an existing relay switch module. A passage control signal output end of a fieldprogrammable gate array (FPGA) is connected with a passage control signal input end of a Darlington driving chip, the Darlington driving chip is used for controlling a rely in a relay array to close and open according to a passage control signal to achieve output of one of a multi-path input signal of a signal interface, the relay interface comprises two groups of multi-choice 1 passages, the structure of each group of multi-choice 1 passage is same, each group of multi-choice 1 passage comprises a main passage and a sub-passage, the main passage is simultaneously connected with a plurality ofsub-passages and is provided with a relay, and at least two first relays are arranged on the sub-passage. The multi-choice 1 switch system is suitably used for switching a test signal.

Description

technical field [0001] The invention relates to the field of test control. Background technique [0002] In aerospace product testing, test equipment needs to collect multiple signals output by different types and functions of the equipment under test, such as voltage signals, current signals, and so on. The relay switch module is used to switch the test signal. It is the most common module in the test system. Instrument manufacturers at home and abroad have related products. These products have certain deficiencies, which are mainly reflected in the safety of the product. If it fails, it will always be in the pull-in state, which will cause a short circuit of the device under test and poor safety. Contents of the invention [0003] The purpose of the present invention is to solve the problem of poor safety of the existing relay switch module, thereby providing a multi-choice 1 switch system. [0004] The multi-choice 1 switch system of the present invention includes FPG...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H47/00G05B19/042G01R1/20
Inventor 刘彦库王晓龙周建宝
Owner 哈尔滨诺信工大测控技术有限公司
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