Dual-fuel gas preferential non-stop full-automatic switching system and control method thereof

A switching system and automatic switching technology, which are applied in the directions of fuel injection control, electrical control, engine control, etc., and can solve problems such as complex structure

Inactive Publication Date: 2020-01-21
CHONGQING DINKING POWER MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent application needs to modify the structure of the carburetor. The solenoid valve needle is used to block the fuel channel on the carburetor to realize the switching between fuel and gas, and the structure is relatively complicated.

Method used

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  • Dual-fuel gas preferential non-stop full-automatic switching system and control method thereof
  • Dual-fuel gas preferential non-stop full-automatic switching system and control method thereof

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Embodiment Construction

[0068] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0069] The invention discloses a dual-fuel gas priority non-stop fully automatic switching system, comprising a gas solenoid valve installed on the gas pipeline for switching on and off the gas pipeline to supply gas to the engine, and a gas solenoid valve installed on the fuel pipeline for switching on and off the fuel oil The fuel solenoid valve that the pipeline supplies oil to the engine; preferably, the fuel solenoid valve is arranged at the fuel needle valve measuring hole of the engine carburetor, and the gas solenoid valve is arra...

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Abstract

The invention provides a dual-fuel gas preferential non-stop full-automatic switching system and a control method thereof. The dual-fuel gas preferential non-stop full-automatic switching system comprises a gas electromagnetic valve and a fuel electromagnetic valve, wherein the gas electromagnetic valve is arranged on a gas pipeline and used for connecting and disconnecting the gas pipeline to supply gas to an engine, and the fuel electromagnetic valve is arranged on a fuel pipeline and used for connecting and disconnecting the fuel pipeline to supply oil to the engine. The dual-fuel gas preferential non-stop full-automatic switching system further comprises an automatic switching switch. When the automatic switching switch monitors that the pressure value in a gas cylinder is larger thanor equal to a preset first pressure threshold value, the automatic switching switch closes or disconnects a power circuit of the gas electromagnetic valve and disconnects or closes a power circuit ofthe fuel electromagnetic valve. According to the dual-fuel gas preferential non-stop full-automatic switching system and the control method thereof, automatic oil-gas switching can be achieved, gas ispreferentially used, the fuel cost is saved, and the environmental protection awareness is enhanced.

Description

technical field [0001] The invention relates to a generator set with a dual-fuel engine, in particular to a dual-fuel gas priority non-stop fully automatic switching system and a control method thereof. Background technique [0002] With the improvement of environmental protection awareness, people gradually realize that simply using gasoline as fuel has a serious impact on environmental pollution. For this reason, an oil-gas engine has been developed in the prior art, which uses combustible gas and gasoline as fuel to reduce pollutant emissions, and the price of combustible gas is low. [0003] Patent application number 2019101500727, titled a gas valve combination structure and switching method for automatic switching of oil and gas, discloses that the gas pressure reducing valve is fixedly installed at one end of the carburetor assembly; one side of the gas pressure reducing valve is installed with an intake joint; the A micro-pressure switch is installed at the bottom o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D19/06F02D41/00
CPCF02D19/0613F02D19/0615F02D19/0642F02D41/0025F02D2200/0602Y02T10/30
Inventor 傅旭东陈东
Owner CHONGQING DINKING POWER MACHINERY
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