Today, I will introduce to you a national invention authorized patent-a gas meter sensing and sampling device for smart gas meters. The patent was applied for by Chengdu Qinchuan Technology Development Co., Ltd., and the authorization was announced on January 11, 2016. The utility model relates to the technical field of gas meter measurement, in particular to a gas meter sensing and sampling device. At present, the measurement of gas meters mostly adopts the principle of reed pipe counting, that is, the magnetic field generated by magnetic steel is used to make the reed pipe absorb and count. A magnetic steel is installed on the counting wheel. When the magnetic steel on the counting wheel turns to a position close to the reed switch, under the action of the magnetic steel, the two metal pieces of the reed switch are attracted and counted. After one rotation, the second time will be counted when the magnetic steel approaches the reed switch again, so as to realize the gas metering. The inventor found in the research that the traditional gas meter measurement structure has at least the following shortcomings during use; the traditional gas meter measurement method relies on magnetic technology. This measurement method is susceptible to the interference of the external magnetic field, which affects the counting result, and then Affected the accuracy of the technology. The purpose of the utility model is to provide an electric sensing sampling device for a gas meter, which has a simple and reasonable structure, a safe and reliable working mode, is not easily affected by external factors, accurate and reliable measurement results, and improves the accuracy of measurement. The embodiment of the present invention is realized as follows: Based on the above-mentioned purpose, the present invention provides a gas meter sensing and sampling device. The gas meter includes a counter, the counter includes a frame and a counting wheel, and the counting wheel Installed on the rack, the gas meter inductive sampling device includes a signal emitting component, a sampling element, and a processor, the sampling element is installed on the counting wheel, and the signal emitting component is installed on the rack , For collecting the signal generated by the sampling element, the signal transmitting component is connected to the processor in signal, and the processor is used for counting according to the collected signal generated by the sampling element. In a preferred embodiment of the present invention, the signal transmitting component includes a probe for collecting the signal generated by the sampling element, a signal transmitting module, and a control module, wherein the signal transmitting module is electrically connected to the probe, The probe is electrically connected to the control module, and the control module is electrically connected to the processor. The signal transmitting component further includes a signal amplifier and a drive output circuit for converting the metering signal of the signal transmitting component into a rectangular wave signal. The control module is electrically connected to the signal amplifier, and the signal amplifier is electrically connected to the signal amplifier. The drive output circuit is electrically connected to the processor. The control module includes an analysis module for ensuring signal reliability, and the analysis module is electrically connected to the probe. The control module also includes a reference voltage module for providing a reference voltage and an oscillator for providing a stable operating frequency. The counting wheel includes two oppositely arranged wheel surfaces, one of which is provided with a groove, the sampling element is installed in the groove, and an elasticity is provided between the sampling element and the groove. Wall, the axis of the probe is perpendicular to the wheel surface, and the axis of the probe is located on the rotation path of the sampling element. The sampling element and the probe are arranged coaxially. The signal transmitting end of the signal transmitting module is perpendicular to the wheel surface, and the signal transmitting end is located on the rotation path of the sampling element. The gas meter inductive sampling device further includes a housing, the signal transmitting component and the processor are installed in the housing, and the housing is provided with a through hole through which the signal of the signal transmitting component passes. The housing is installed on the rack. The beneficial effects of the embodiments of the utility model are: In summary, the utility model provides a gas meter inductive sampling device, which has a simple and reasonable structure, convenient processing and manufacturing, low manufacturing and installation costs, low use costs, and at the same time , The gas meter inductance sampling device is less affected by the external environment, works stably and reliably, improves the accuracy of measurement, and is suitable for large-scale popularization and use. The details are as follows: the gas meter includes a counter, the counter is a structure for measuring the amount of gas flow in the gas meter, and the counter includes a counting wheel. During the gas use process, the gas flow can drive the counting wheel to rotate for measurement. The counting wheel is installed on the frame, the counting wheel rotates on the frame, the sampling element is installed on the counting wheel, and the signal emission component is installed on the frame. The signal emission component emits signals toward the counting wheel. During the rotation of the counting wheel, the signal The signal emitted by the transmitting component will fall on the sampling component, and the signal passing through the sampling component will be reflected back to the signal transmitting component. The signal of the signal transmitting component will be connected to the processor, and the reflected signal will be passed to the processor. After the function of the processor, counting . The processor can measure the number of times the signal emitted by the signal transmitting component passes through the sampling element, and then calculate the rotation speed and the number of rotations of the counting wheel through the frequency of the signal, thereby realizing the conversion between mechanical measurement and electronic measurement. In the measurement process, the entire device is less affected by external factors, and the measurement accuracy is high. Aluminum Alloy LED lamps,Low Power LED lamps,LED line light Kindwin Technology (H.K.) Limited , https://www.szktlled.com