一种带过滤器装置的超声波铝壳燃气表
By installing a filter device inside the gas meter and using filter cotton to filter impurities, the problems of inaccurate gas meter readings and equipment damage have been solved, resulting in a gas meter with high-precision measurement and long service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZENNER METERING TECH (SHANGHAI) LTD
- Filing Date
- 2025-10-10
- Publication Date
- 2026-07-17
Smart Images

Figure CN224517856U_ABST
Abstract
Claims
1. An ultrasonic wave aluminium case gas meter with filter device comprising a main body (6), characterized in that, The main body (6) is divided into an upper shell (6-1) and a lower shell (6-2). An air inlet (1) and an air outlet (5) are respectively provided on the upper shell (6-1). A valve (2) is installed below the air inlet (1) by pressing it against the upper shell (6-1). A metering air inlet pipe (7) is connected below the air outlet (5). A filter device (3) is provided inside the main body (6) and between the valve (2) and the metering air inlet pipe (7). An ultrasonic sensor (4) is provided on one side of the metering air inlet pipe (7).
2. The ultrasonic gas meter with filter device according to claim 1, characterized in that, The main body (6) is a lightweight aluminum alloy shell.
3. The ultrasonic gas meter with filter device according to claim 1, characterized in that, The filter chip (3-2) in the filter device (3) is disposed between the filter supports (3-1).
4. The ultrasonic gas meter with filter device according to claim 3, characterized in that The filter chip (3-2) is filter cotton.
5. The ultrasonic gas meter with filter device according to claim 4, characterized in that The filter support (3-1) is a grid-shaped frame and its size is consistent with that of the filter chip (3-2).
6. The ultrasonic gas meter with filter device according to claim 5, characterized in that The width and height of the filter device (3) correspond to the width and depth of the main body (6).
7. The ultrasonic gas meter with filter device according to claim 1, characterized in that, The bottom end of the air inlet (1) and the metering air inlet pipe (7) form a gas flow channel inside the main body (6).