Air-conditioning control cabinet for carriage

Air-conditioning control cabinet for carriage

The utility model discloses an air-conditioning control cabinet for carriages, which relates to an air-conditioning set controlling and protecting device for railway carriages. The utility model adopts a programmable controller (PLC) and controls a switch of an actuating mechanism of the programmabl...

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Hauptverfasser: XIAOTAO YANG, QILIANG KANG, YUEHONG QIN
Format: Patent
Sprache:eng
Schlagworte:
BODY DETAILS OR KINDS OF RAILWAY VEHICLES
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PERFORMING OPERATIONS
PHYSICS
RAILWAYS
REGULATING
TRANSPORTING
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creator XIAOTAO YANG
QILIANG KANG
YUEHONG QIN
description The utility model discloses an air-conditioning control cabinet for carriages, which relates to an air-conditioning set controlling and protecting device for railway carriages. The utility model adopts a programmable controller (PLC) and controls a switch of an actuating mechanism of the programmable controller (PLC) through an inner soft relay, a compressor and heater controlling switch adopts an alternate-current solid state relay to replace an alternate-current contactor, and a main circuit controlling switch is also provided with a linked electric control switch which is controlled by the PLC to drive an air switch. A protective circuit adopts a current sensor to detect over-current and phase-absent failures and outputs seven paths of alarm signal through the PLC. The utility model solves the problems that a control switch of the original control cabinet easily has adhesion, shake, burnout, misoperation, etc.
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subjects BODY DETAILS OR KINDS OF RAILWAY VEHICLES
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PERFORMING OPERATIONS
PHYSICS
RAILWAYS
REGULATING
TRANSPORTING
title Air-conditioning control cabinet for carriage
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