Detection device and detection method for concentration of methanol gasoline

A technology of methanol concentration and detection device, which is applied to measurement devices, instruments, material analysis by electromagnetic means, etc., can solve the problem of insufficient measurement accuracy of methanol concentration, and achieve the effect of real-time display, good measurement sensitivity, and reduced consumption.

Inactive Publication Date: 2018-11-20
CHANGAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problem of insufficient measurement accuracy of methanol concentration in methanol-gasoline mixed fuel, the invention provides a methanol-gasoline concentration detection device and method

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  • Detection device and detection method for concentration of methanol gasoline
  • Detection device and detection method for concentration of methanol gasoline
  • Detection device and detection method for concentration of methanol gasoline

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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0036] see figure 1 , The methanol concentration detection device of the present invention is composed of a host computer and a lower computer, and all detection functions are controlled by the lower computer, and then transmitted to the upper computer for display and output. The lower computer detects the concentration of methanol in the mixed fuel, and processes the concentration signal, calculates the methanol concentration according to the processed signal and sends it to the upper computer; the upper computer receives the signal from the lower computer and displays the methanol concentration information, the upper computer and the lower computer The machine communicates through the ModBus protocol.

[0037] The upper computer is composed of a display module. The display module adopts a Kunlun touch screen with built-in MCGS embedded configuratio...

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Abstract

The invention discloses a detection device and a detection method for the concentration of methanol gasoline. The detection device comprises a measuring module, a signal processing module and a display module, wherein the measuring module consists of a circular arc capacitive sensor which is placed in mixed fuel of the methanol gasoline. The signal processing module consists of a capacitance-voltage circuit, a Freescale MCU (Microprogrammed Control Unit), an RS232 serial port circuit and a CAN bus communication circuit. The signal processing module transmits a methanol concentration signal which is converted by the capacitance-voltage circuit and is processed by the MCU to the display module through a serial port and communicates with a general control system through the CAN bus communication circuit; the display module dynamically shows the concentration of methanol in the current methanol gasoline mixed fuel. The detection device and the detection method disclosed by the invention can quickly and accurately measure the concentration of the methanol in the methanol gasoline mixed fuel and can display concentration information in real time.

Description

technical field [0001] The invention relates to methanol concentration detection, in particular to a detection device and method for methanol concentration of methanol-gasoline mixed fuel. Background technique [0002] For new energy vehicles that use methanol-gasoline mixed fuel, methanol-gasoline can be used, or pure gasoline can be added when refueling. The fuel supply method is more flexible, but it is necessary to dynamically change the engine's fuel density according to the actual concentration of methanol in the mixed fuel in the car. The amount of fuel injected to ensure the power of the car. The real-time and accurate detection of the concentration of methanol in the mixed fuel provides a reference for the automobile ECU to dynamically change the fuel injection quantity of the engine. [0003] In existing new energy vehicles filled with methanol-gasoline mixed fuel, the driver usually perceives the current vehicle power status and manually adjusts the fuel injectio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/22
CPCG01N27/226
Inventor 马荣贵李永上骆磊薛昊马园谭珂
Owner CHANGAN UNIV
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