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Intelligent filling gun

A filling gun and intelligent technology, applied in the field of intelligent filling guns, can solve the problems of high labor intensity, waste of manpower and material resources, frostbite of personnel, etc., and achieve the effect of reducing labor intensity, convenient operation, and ensuring safety.

Active Publication Date: 2016-12-07
CHENGDU ANDERSON MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. After the filling gun body is filled, it must be removed to determine whether there is leakage in the filling gun body and must be judged manually, resulting in uncontrollable leakage during use and no corresponding countermeasures. Due to the spraying of ultra-low temperature medium, it will cause safety hazards such as frostbite and other safety hazards
[0005] 2. If the filling gun body is pulled out in the case of leakage, it is easy to endanger the safety of personnel
[0006] 3. The filling gun cannot be purged automatically, which wastes manpower and material resources
[0007] 4. The current filling of the liquid filling gun is to rely on the manual operation of inserting and drawing the gun, and the labor intensity of the personnel is high. Some pneumatic liquid filling guns that appear on the market only have two types: ventilation (inserting the gun) and degassing (drawing the gun). Action, without safety protection measures or when the instrument wind loses pressure, it is easy to cause false action, and at the same time there will be safety problems in the above-mentioned article 1

Method used

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Embodiment 2

[0044] Based on the intelligent filling gun and its supporting system of embodiment 1, the method for pulling out the filling gun body 6 comprises the following steps:

[0045] Step 1: Close the LNG system, disconnect the connection between the inner barrel and the device to be filled, and lock the connection between the outer barrel and the device to be filled;

[0046] Step 2: The detector detects the pressure change between the inner barrel and the outer barrel at the interface of the filling gun body. When the pressure change reaches the set value, open the pressure relief solenoid valve until the pressure in the filling gun is lower than the set value value, then close the pressure relief solenoid valve and unlock the connection between the outer barrel and the filled device.

Embodiment 3

[0048] Based on the intelligent filling gun and its supporting system of Embodiment 1, the filling steps of LNG or other low-temperature medium are as follows:

[0049] Purge: Manually connect the outer barrel of the filling gun body to the filled device, and lock the connection between the outer barrel and the filled device, and then use nitrogen to purge the interface of the filling gun body;

[0050] Filling: the inner barrel slides relative to the outer barrel, so that the filled device communicates with the inner barrel, and then the LNG system is turned on;

[0051] Detection: After the filling is completed, close the LNG system, control the inner barrel to slide relative to the outer barrel and separate from the filled device, the connection between the outer barrel and the filled device remains locked, and the detector detects the interface of the filling gun body pressure changes;

[0052] Pressure relief: When the pressure change at the interface of the filling gun ...

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Abstract

The invention relates to the technical field of low-temperature or ultralow-temperature application, in particular to an intelligent filling gun and a mating system thereof. The intelligent filling gun comprises a filling gun body, an LNG system, a filling pipeline, a controller and a discharge pipeline. The filling gun body communicates with the LNG system through the filling pipeline. A detector used for detecting whether leakage happens to the filling pipeline or not is arranged on the filling pipeline or the filling gun body. The filling pipeline communicates with the discharge pipeline through a pressure-relief electromagnetic valve. The detector and the pressure-relief electromagnetic valve are electrically connected with the controller. By the adoption of the structure, filling of LNG or other low-temperature media can be made intelligent through the cooperation of the detector, the controller and the electromagnetic valve, leakage detection and pressure relief can be effectively achieved, and thus the situation that personnel injuries are caused by leakage of LNG or other low-temperature media left in the filling pipeline and the filling gun body is prevented.

Description

technical field [0001] The invention relates to the technical field of low temperature or ultra-low temperature applications, in particular to an intelligent filling gun. Background technique [0002] The main structure of the filling gun is the filling gun body. The filling gun body is connected with the vehicle-mounted steel cylinder through the vehicle-mounted filling port to control the flow of the filled medium to the vehicle-mounted steel cylinder. When the filling gun body is connected, the one-way valve core of the filling gun body and the one-way valve core of the filling port are pushed apart to form a medium passage, and the medium can flow smoothly; when the filling gun body is separated from the filling port When it is opened, the one-way valve core of the filling gun body and the filling port is automatically reset and sealed by the action of medium pressure and spring force respectively to ensure no leakage. Before the filling gun body is disengaged from the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C13/02F17C13/12F17C13/00F17C5/06
CPCF17C5/06F17C13/00F17C13/025F17C13/12F17C2205/0376F17C2223/013F17C2225/013F17C2250/043F17C2250/07F17C2260/036
Inventor 宁扬忠钟骁曾学兵田隆
Owner CHENGDU ANDERSON MEASUREMENT
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