Today, we introduced a national invention-granting patent - a NB-IOT-based gear positioning wireless intelligent remote transmission anti-theft water meter. The patent was applied for by Xiamen Jingzhun Intelligent Water Meter Co., Ltd., and was authorized to be announced on June 1, 2018.
Content DescriptionThe invention relates to the field of water meters, in particular to a NB-IOT-based gear positioning wireless intelligent remote transmission anti-theft water meter.
Background of the inventionThe existing wireless remote anti-theft water meter needs to install a water meter controller on the base meter. However, in some existing technologies, the water meter controller and the base meter often use a fixed lock or a corresponding fixed seat designed on the water meter for fixed connection, wherein the fixed seat is provided with a fixing hole, and a screw is used for fixing. The existing fixing methods are still loose after the water meter controller is installed on the base meter, which makes the fixing of the water meter controller and the base meter unstable. Once the fixing is unstable, the internal parts of the water meter controller will be damaged. The phenomenon occurs.
Summary of the InventionIn order to solve the deficiencies mentioned above in the background art, the present invention provides a NB-IOT gear positioning wireless intelligent remote transmission anti-theft water meter.
The figure is a schematic diagram of the structure of the invention
The invention comprises a base meter and a water meter controller; a screw rod is arranged on the bottom side of the water meter controller, a rotary fixed head is arranged at one end of the screw rod, and the rotary fixed head is connected with the screw rod through the internal screw hole; the other end of the screw rod passes through The water meter controller is set on the front side of the water meter controller; the water meter controller is set on the base meter, and the rotating fixed head is embedded in the gap between the water meter controller and the base meter; the position of the base table corresponding to the rotating fixed head There is a protrusion on it.
Based on the above structure, the shape of the rotating fixed head is consistent with the inner contour of the gap between the water meter controller and the base meter. The base table also includes a cover; the middle of the cover is a hollow structure; a fixed washer is arranged on the bottom side of the cover, a fixed internal tooth is arranged on the inner ring of the fixed washer; a fixed plate is arranged on the bottom side of the water meter controller; and the fixed plate is set Fixed external teeth, fixed internal teeth and fixed external teeth.
A positioning gap is provided on the fixing gasket, and a positioning block matched with the positioning gap is arranged on the inner side of the cover. It also includes a glass cover and a sealing ring; the sealing ring is arranged on the dial of the base watch, the glass cover is arranged on the sealing ring, the fixing gasket is arranged on the glass cover, and the cover covers the glass cover, the fixing gasket and the sealing ring. The water meter controller is provided with a wireless transmission device; the wireless transmission device performs data transmission through the NB-IOT. The water meter controller is provided with an alarm device.
The NB-IOT-based gear positioning wireless intelligent remote transmission anti-theft water meter provided by the present invention cooperates with the projections provided on the base table body by means of a rotary fixing head arranged on the bottom side of the water meter controller, and does not need to set too many on the base meter. The fixed structure further eliminates the need for drilling holes in the base table, so that the water meter controller can be firmly fixed on the base meter, preventing the water meter controller from being easily damaged due to the insufficiency of the installation, and the installation is convenient and the cost is greatly saved.
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