一種新型開關(guān)狀態(tài)顯示儀的研制 

黃曉霞，胡志超，翟麗麗，呂曉蓉，方增 
浙江開關(guān)廠有限公司，浙江 衢州 324000 
 

摘 要：針對傳統(tǒng)開關(guān)柜狀態(tài)顯示設(shè)備可靠性差、接線復雜、集成度低、難以保證開關(guān)柜安全運行的缺陷，設(shè)計了一種適用于3～35kV高壓開關(guān)柜的開關(guān)狀態(tài)顯示儀，用于一次設(shè)備的模擬顯示、高壓帶電顯示及柜門閉鎖、柜內(nèi)的防凝露溫濕度控制。給出了該顯示儀的工作原理及硬件配置電路設(shè)計。實際運行結(jié)果表明，該裝置硬件結(jié)構(gòu)簡單、集成度高、可靠性好，具有較高的實用性。
關(guān)鍵詞：開關(guān)柜；開關(guān)狀態(tài)；溫濕度控制；高壓帶電顯示
中圖分類號：TM591 文獻標識碼：A 文章編號：1007-3175(2014)04-0019-04

Research and Development of a New Type of Switch State Display Device 

HUANG Xiao-xia, HU Zhi-chao, ZHAI Li-li, LV Xiao-rong, FANG Zeng 
Zhejiang Switchgear Factory Co., Ltd, Quzhou 324000, China 
 

Abstract: There are several flaws such as poor reliability, complex wiring, low integration, so it is difficult to ensure safe operation in traditional switch cabinet display device. In view of these, a new display device, which was suitable for 3 to 35 kV high-voltage switch cabinets, was designed. It was used for analog display of primary equipment, high pressure charged display, interlock of cabinet door, temperature and humidity control of preventing condensation inside cabinet. This paper gave the working principle of the display device and the hardware configuration of the circuit design. Practical operation results show that the device has the advantages of simple hardware structure, high integrated level and good reliability with high practicality.
            Key words: switch cabinet; switch state; temperature and humidity control; high-voltage charged display

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