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CNG field calibrating device, system and method

A verification device and on-site technology, applied in the direction of container filling method, container discharge method, equipment loaded into pressure vessels, etc., can solve the problems of inability to measure the measurement accuracy of CNG gas dispensers, etc.

Active Publication Date: 2016-03-09
CHONGQING INNOVATION MEASURE EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a CNG on-site verification device, system and on-site verification method, which solves the problem that the measurement accuracy of the CNG filling machine cannot be detected in the prior art

Method used

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  • CNG field calibrating device, system and method
  • CNG field calibrating device, system and method
  • CNG field calibrating device, system and method

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] CNG testing device of the present invention, such as Figure 1~3 As shown, it includes: a flow sensor 11 , a flow transmitter 14 , a pressure gauge 12 , an interface 15 of a gas filling machine to be checked, a shut-off valve 13 and at least one gas bottle port. Include two gas cylinder mouths among the figure, the first gas cylinder mouth 16 (for the vehicle-mounted gas storage cylinder, the caliber is small) and the second gas cylinder mouth 17 (for the la...

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Abstract

The invention relates to the technical field of natural gas metering, and discloses a CNG calibrating device. The CNG calibrating device comprises a flow sensor, a flow transmitter, a pressure gage, a gas adding machine detected gun connector, a stop valve and at least one gas receiving bottle opening. The flow sensor is connected with the flow transmitter. The gas adding machine detected gun connector is connected with the flow sensor through a pipeline. The stop valve is arranged on the pipeline. The gas receiving bottle openings are connected with the flow sensor and the pressure gage. The invention further discloses a CNG calibrating system and a field calibrating method. The CNG calibrating device is connected between a CNG adding machine and an automobile gas storage tank (or other gas storage tanks) in series, the device records the actual flow of gas adding of the gas adding machine, and calibration of the metering accuracy of the CNG adding machine is achieved accordingly.

Description

technical field [0001] The invention relates to the technical field of natural gas metering, in particular to a CNG on-site verification device, system and on-site verification method. Background technique [0002] With the development of the national economy and the improvement of people's living standards, environmental protection has been paid more and more attention. In cities, natural gas, which is a clean energy source, has been widely used as a vehicle fuel, and compressed natural gas (CNG) filling machines for filling natural gas into vehicles have been fully used in CNG filling stations. As it involves trade settlement, in accordance with the requirements of the National Metrology Law, mandatory verification of CNG filling machines should be implemented. The establishment of the CNG dispenser verification device is to ensure the accuracy and reliability of the measurement of the CNG dispenser, to ensure the implementation of the measurement method in the field of C...

Claims

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Application Information

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IPC IPC(8): F17C5/06F17C13/02
CPCF17C5/06F17C13/02F17C13/025F17C2223/0123F17C2225/0123F17C2227/046F17C2270/0139
Inventor 傅斌
Owner CHONGQING INNOVATION MEASURE EQUIP
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