Particle filter used for exhaust gas analyzing device of diesel vehicle
A particle filter and exhaust gas analysis technology, which is applied in the direction of exhaust devices, silencers, machines/engines, etc., can solve the problems of filter function failure and easy blockage of filter elements, and achieve the advantages of preventing sticking, reliable operation and convenient maintenance Effect
Active Publication Date: 2013-04-03
ZHEJIANG UNIV MINGQUAN TECH
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Problems solved by technology
How to effectively filter out particulate matter is a very important part of the diesel vehicle exhaust gas analysis device, but the existing filter elements are easily blocked, causing the entire filter function to fail
Method used
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[0022] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0023] Such as figure 1 The particulate matter filter used for diesel vehicle exhaust analysis device shown in the figure includes an outer cover 1, a connecting cover 2, a locking cover 3, a handle 4 and a filter core. Such as figure 2 As shown, one end of the outer cover 1 is an open end 16, and the inner ring of the open end 16 flares outward; An air chamber 11 and a core installation chamber 12 are arranged inside the opening end 16 , the core installation chamber 12 is arranged outside the air chamber 11 , and an air outlet 14 is provided on the side wall of the core installation chamber 12 . Such as image 3 As shown, the filter core body includes an inner core 5, a connecting shaft 6, a primary filter element 9 and a precision filter element 8, the inner core 5 is fixedly arranged in the core body installation chamber ...
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The invention relates to an exhaust gas analyzing device for a diesel vehicle, in particular to a particle filter used for an exhaust analyzing device of a diesel vehicle. The filter comprises a housing, a connecting cover, a locking cover, a handle and a filter element body; the filter element body comprises an internal element, a connecting shaft, a primary filter element and a precise filter element; the internal element is fixedly arranged in an element body mounting room; the connecting shaft is connected with the internal element and is arranged towards a gas chamber; the middle part of the internal element is radially provided with a radial airway; a first axial airway is arranged at the right side of the radial airway; the connecting shaft is fixedly connected with the internal element through a shaft rod; a mounting opening is formed between the internal element and an end head; the primary filter element is arranged outside the mounting opening; and the precise filter element is arranged in the internal side of the mounting opening. The particle filter provided by the invention has the advantages that the content of the detected gas is maintained to the utmost extent, the maintenance is convenient, and the particle filter has the characteristics of reliable working and convenience in maintenance.
Description
technical field [0001] The invention relates to a diesel vehicle exhaust analysis device, in particular to a particle filter used in the diesel vehicle exhaust analysis device. Background technique [0002] On April 21, 2008, the Society of Automotive Engineers of China, the Industrial Economics Research Department of the Development Research Center of the State Council and the China Automotive Technology Research Center jointly held the International Advanced Diesel Vehicle Technology Strategy Seminar. At the meeting, Luo Yi, deputy director of the Science and Technology Standards Department of the Ministry of Environmental Protection, published the report "Environmental Protection Strategies and Measures for the Development of Energy-saving and Emission-Reducing Vehicles in China". One of the main reasons.” According to relevant research reports, motor vehicles have a serious impact on urban air pollution, and the pollution contribution rate is large: in large cities, more...
Claims
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IPC IPC(8): F01N3/022
Inventor 白飞娥张明亮林泽涛刘汉民
Owner ZHEJIANG UNIV MINGQUAN TECH