Volumetric flowmeter metering device and metering method thereof

A flow measurement and volumetric technology, applied in the field of volumetric flow measurement devices, can solve problems such as increased energy consumption, reduced energy consumption, inability to achieve large flow and high precision flow measurement, etc., to achieve the effects of convenient storage and improved accuracy

Active Publication Date: 2017-05-24
GOLDCARD HIGH TECH
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Problems solved by technology

In the current infrared measurement scheme, in order to reduce the overall energy consumption of the volumetric flow metering device, the method of reducing the sampling frequency is usually used. This method leads to the sampling frequency being mostly less than 1HZ, and the reduction of the frequency makes it impossible to achieve high-precision flow under large flow rates Metering; but if the frequency is to be increased, it will lead to an increase in energy consumption

Method used

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  • Volumetric flowmeter metering device and metering method thereof
  • Volumetric flowmeter metering device and metering method thereof
  • Volumetric flowmeter metering device and metering method thereof

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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] refer to figure 1 , this figure is a schematic diagram of the first embodiment of a volumetric flow metering device of the present invention, the device includes: a metering code disc 1 and a sampling control module 2, wherein the sampling control module includes a plurality of detection devices 21 and a control unit 22; The code disc 1 is connected with the mechanical drive mechanism of the metering device, and is rotated by the mechanical drive mechanism; the detection device 21 is used to send an optical signal to the metering code disc and receive the optical signal emitted by the measuring code disc emission medium, and transmit the optical signal to the metering code disc. The signal is converted into a voltage signal; the control unit 22 is used to determine the area of ​​the metering code wheel detected by each photoelectric detection device according ...

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Abstract

The invention discloses a volumetric flowmeter metering device which comprises a metering coded disc and a sampling control module. The metering coded disc is provided with at least two metering reflection zones, the sampling control module comprises multiple detection devices and a control unit. The metering reflection zones and installing positions of the multiple detection devices divide the metering coded disc into multiple segmentation zones, and position states of the metering coded disc is represented by the segmentation zones detected by the multiple detection devices. In addition, the invention further discloses a metering method of the volumetric flowmeter metering device. By adopting the volumetric flowmeter metering device, the detection frequency is improved, and energy consumption is reduced.

Description

technical field [0001] The invention designs a flow metering device, in particular to a volumetric flow metering device and a metering method thereof. Background technique [0002] At present, volumetric flow metering devices usually use two methods of magnetic metering and infrared metering to measure flow: the magnetic sensor device senses the change of the magnetic field and converts the magnetic signal into an electrical signal to measure the volume change. It is difficult to achieve accurate metering when the magnetic field is disturbed. [0003] The infrared metering scheme is mainly to measure the change of the flow through one or more sets of infrared pair tubes. Usually, a photoelectric sensor is used to collect the signal, and then the optical signal is converted into an electrical signal, and the change of the flow rate is measured according to the electrical signal. In the current infrared measurement scheme, in order to reduce the overall energy consumption of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F15/06G01F15/075
CPCG01F15/068G01F15/075
Inventor 金磊陈冬宋兴健李明陈时健钱晓平
Owner GOLDCARD HIGH TECH
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