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Fuel gas detection equipment and fuel gas detection method

A technology for detecting equipment and gas, which is applied in measurement devices, fluid velocity measurement, velocity/acceleration/impact measurement, etc., can solve the problems of high gas detection cost, high TDC chip cost, low gas detection accuracy, etc., to avoid measurement Effects of errors, cost savings, and improved accuracy

Pending Publication Date: 2022-07-08
GOLDCARD HIGH TECH
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Problems solved by technology

[0005] This application provides a gas detection device and a gas detection method to solve the problem that in the prior art, the cost of the TDC chip is too high, resulting in high cost of gas detection, and due to the influence of the stability of the devices in the ultrasonic gas meter, the accuracy of gas detection Minor technical issues

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  • Fuel gas detection equipment and fuel gas detection method
  • Fuel gas detection equipment and fuel gas detection method
  • Fuel gas detection equipment and fuel gas detection method

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Embodiment Construction

[0054] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. Throughout the drawings, the same or similar reference numbers refer to the same or similar parts or parts having the same or similar functions. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present applicatio...

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Abstract

The invention provides fuel gas detection equipment and a fuel gas detection method, and the equipment comprises a control unit, a measurement unit, a first ultrasonic unit, a second ultrasonic unit, a signal processing unit, a calculation unit, and a switching unit. The control unit is connected with the charging time measuring unit, the first ultrasonic unit, the second ultrasonic unit, the signal processing unit and the calculation unit. One end of the switching unit is connected with the signal processing unit, and the other end is respectively connected with the first ultrasonic unit and the second ultrasonic unit; the first ultrasonic unit and the second ultrasonic unit are arranged on the upstream and downstream of a gas pipeline respectively, and the switching unit is used for transmitting ultrasonic waves through the first ultrasonic unit and receiving the ultrasonic waves through the second ultrasonic unit or transmitting the ultrasonic waves through the second ultrasonic unit and receiving the ultrasonic waves through the first ultrasonic unit. And the control unit enables the charging time measuring unit and the calculation unit to calculate the gas flow rate, so that the accuracy of gas detection is improved.

Description

technical field [0001] The present application relates to the technical field of gas equipment, and in particular, to a gas detection device and a gas detection method. Background technique [0002] In recent years, with the increase of population and economic development, people's demand for energy has gradually increased, and energy supply is facing enormous pressure. In this case, natural gas is the focus of attention as a clean energy source. In order to standardize natural gas use standards and efficiently utilize and monitor natural gas, natural gas needs to be tested. [0003] In the related art, an ultrasonic gas meter based on a Time to Digital Convert (TDC) chip is usually used for gas detection. The principle is that the Microcontroller Unit (MCU) in the ultrasonic gas meter controls the ultrasonic sensor in the TDC chip. The acoustic wave signal is transmitted from the transmitter in the downstream direction and the upstream direction to the receiver respectivel...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P5/24G01P1/07G08B21/18
CPCG01P5/245G01P1/07G08B21/182
Inventor 钱晓平
Owner GOLDCARD HIGH TECH
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