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An online calibration method for gas dispensers based on a hand-held calibration device

A calibration device and calibration method technology, which can be applied to container discharge methods, container filling methods, equipment loaded into pressure vessels, etc., and can solve problems such as cumbersome operations.

Active Publication Date: 2016-06-15
JEREH OIL & GAS ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the common method of calibrating the metered gas volume of the gas dispenser is to modify the calibration parameters through the management card in the gas dispenser to achieve the purpose of calibrating the gas volume of the gas dispenser. This method is cumbersome to operate and must enter the management of the gas dispenser. The interface can only be operated, and the disadvantages of this method become more obvious when multiple corrections are required

Method used

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  • An online calibration method for gas dispensers based on a hand-held calibration device
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Embodiment 1

[0017] Embodiment 1. An online calibration system for gas dispensers based on a hand-held calibration device. Combine below figure 1 The system provided in this embodiment will be described in detail.

[0018] see figure 1 , the system provided in this embodiment includes a hand-held calibration device and an air dispenser electrically connected to the hand-held calibration device. In this embodiment, the displayed gas filling capacity of the dispenser (i.e. the standard gas filling capacity measured by the gas dispenser) and the standard gas filling capacity can be expressed by a functional relationship: standard gas filling capacity = K * display gas filling Quantity + A, among them, K>0, K is called the correction coefficient, and A is called the compensation coefficient. When there is an error between the displayed gas volume of the gas dispenser and the standard gas volume, the hand-held calibration device sets calibration parameters on it, wherein the calibration para...

Embodiment 2

[0022] Embodiment 2. An online calibration method for gas dispensers based on a hand-held calibration device. Combine below figure 2 The method provided in this embodiment will be described in detail.

[0023] see figure 2 , S201. When there is an error between the displayed gas volume of the gas dispenser and the standard gas volume, the hand-held calibration device sets calibration parameters and transmits the calibration parameters to the main control board of the gas dispenser.

[0024] Specifically, when there is an error between the displayed gas filling amount of the gas dispenser and the standard gas filling amount, the hand-held calibration device sets calibration parameters on it, wherein the calibration parameters in this embodiment mainly include calibration coefficients and compensation coefficients , and transmit the set correction parameters to the main control board of the dispenser. It should be noted that, in order to ensure the safety of the handheld ca...

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Abstract

The invention discloses a gas dispenser on-line correction system and method based on a handheld corrector. The system comprises the handheld corrector and a gas dispenser, wherein the gas dispenser is electrically connected with the handheld corrector; the handheld corrector is used for setting correction parameters when error between a gas adding amount displayed on the gas dispenser and a standard gas adding amount exists; a main control board of the gas dispenser is used for receiving the correction parameters sent by the handheld corrector, and correcting the gas adding amount by utilizing the correction parameters. According to the gas dispenser on-line correction system and method based on the handheld corrector, the gas adding amount of the gas dispenser is corrected on-line by utilizing the handheld corrector, the procedure is simple, convenient and highly efficient; furthermore, the cheating possibility of a gas station can be avoided.

Description

technical field [0001] The invention relates to the technical field of gas filling machines, in particular to an online calibration system and method for gas filling machines based on a hand-held calibration device. Background technique [0002] At present, the common method of calibrating the metered gas volume of the gas dispenser is to modify the calibration parameters through the management card in the gas dispenser to achieve the purpose of calibrating the gas volume of the gas dispenser. This method is cumbersome to operate and must enter the management of the gas dispenser. The interface can only be operated, and the disadvantages of this method become more obvious when multiple corrections are required. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an online calibration system and method for gas dispensers based on a hand-held calibration device. Using a handheld calibration device to perform online cal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C5/02F17C13/02
Inventor 张灵敏孟繁荣王宗文任刚宋金成王吉明王军
Owner JEREH OIL & GAS ENG
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