Large-aperture multichannel ultrasonic heat meter

The invention relates to the technical field of heat meters, in particular to a large-diameter multichannel ultrasonic heat meter which comprises a meter body, the meter body comprises a flow pipe used for guiding flow, a filter device used for filtering impurities in water is arranged in the flow pipe and comprises a filter cartridge and a filter screen, the filter cartridge is detachably connected with the flow pipe, and the filter screen is detachably connected with the flow pipe. The filter screen is located in the filter cartridge and detachably connected with the filter cartridge, a locking assembly for locking and fixing the filter cartridge and the flow pipe is arranged in the filter cartridge, and the influence of impurities in a water body on the measurement accuracy of the ultrasonic heat meter can be reduced. 本申请涉及热量表的技术领域，尤其是涉及大口径多声道超声波热量表，其包括表体，表体包括用以导流的流管，所述流管内设有用以过滤水体中杂质的过滤装置，过滤装置包括过滤筒及滤网，过滤筒与流管可拆卸连接，滤网位于过滤筒内且与过滤筒可拆卸连接，过滤筒内设有将过滤筒与流管锁紧固定的锁定组件，本申请能够减少水体中的杂质对超声波热量表测量准确度的影响。