Large-size color TFT liquid crystal screen type combined instrument for special vehicle

• Main Authors: XIE LIANGHUI, ZHOU YIMIN, DU JIE, SU PENGJUN, JIAO XUEMING
• Format: Patent
• Language: English
• Published: 11.03.2015
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PERFORMING OPERATIONS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING; VEHICLES IN GENERAL

The utility model relates to a large-size color TFT liquid crystal screen type combined instrument for a special vehicle. The large-size color TFT liquid crystal screen type combined instrument is characterized in that a liquid crystal support is fixedly connected to the top faces of printed boards on the two sides of a metal plate support, a liquid crystal screen is fixedly connected to the metal plate support through the liquid crystal support, an electrothermal film is arranged between the metal plate support and the liquid crystal screen in a cushioning mode, a rear cover plate covers the lower face of the metal plate support and is fixedly connected with a front cover plate, cooling fins are connected to the printed boards, one ends of the cooling fins make contact with the printed boards, the other ends of the cooling fins make contact with the rear cover plate, a rubber protective sleeve is embedded at the inserting position of the rear cover plate, and the joint of the rear cover plate and the front cover plate is filled with electric conducting silicone. The full-sealed shielding structure with all-aluminum metal plates and electric conducting silicone combined is adopted to meet the more severe electromagnetic compatibility requirement, and the electromagnetic compatibility requirement is effectively guaranteed.