CN2488740Y

CN2488740Y - Fuel gauge

Info

Publication number: CN2488740Y
Application number: CN 01230849
Authority: CN
Inventors: 金大来
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-20
Filing date: 2001-07-20
Publication date: 2002-05-01
Anticipated expiration: 2011-07-20

Abstract

The utility model discloses a fuel gauge which is used for measuring fuel consumption in litre per 100 km, comprising a gauge head and a fuel monitor device which is mounted on fuel pipeline of vehicle. A light shelter board whose upper part is narrow and lower part is wide is arranged on the fuel monitor device. An infrared ray emitting tube and an infrared ray receiving tube are respectively positioned at two sides of the light shelter board; the infrared ray receiving tube is in electric connection with the gauge head and further is connected with a grade-controlled resistance circuit; the grade-controlled resistance circuit is formed with a plurality groups of parallel circuits which consist of a triode and two divider resistances; the speed signal of tacho-generator and the fuel signal are input into the grade-controlled resistance circuit, and the output signal from the grade-controlled resistance circuit is displayed by the gauge head. The fuel gauge of the utility model can display the fuel consumption in litre per 100 km when the vehicle is running at certain speed in certain moment, enabling driver to accurately pilot the vehicle and save fuel to the utmost extent.

Description

The fuel consumption of 100km table

One, technical field.The utility model relates to the consumption indicator on a kind of self-propelled vehicle, is specifically related to the fuel consumption of 100km table.

Two, background technology.At present, what self-propelled vehiclees such as automobile, motor bike were installed all is a kind of oil measurer that can only write down the fuel tank Fuel Oil Remaining, and this table has pointer and digital two kinds, is made of sensing element and circuit.But contrast mileage meter and oil measurer rough calculation go out every kilometer average consumprion, but can not instant playback hundred kilometers consumption of fuel, that is to say that it can not indicate self-propelled vehicle at a time, the Actual Burnoff amount under certain speed of a motor vehicle.

Three, summary of the invention.Technical problem to be solved in the utility model just provides a kind of fuel consumption of 100km table, it at any time the display machines motor-car at a time, the Actual Burnoff amount under certain speed of a motor vehicle.

In order to solve the problems of the technologies described above, the technical scheme that the utility model fuel consumption of 100km table is adopted is such: it comprises gauge outfit, also has an oil mass monitoring device that is installed on the self-propelled vehicle transport pipe, this device is provided with a up-narrow and down-wide anti-dazzle device, these plate both sides are respectively equipped with infrared transmitting tube and infrared receiving tube, this infrared receiving tube is electrically connected with gauge outfit, becoming resistance circuit with a step control more simultaneously is connected, this circuit is not formed in parallel by the circuit that an aerotron and two divider resistances constitute by fractions, the wherein grounded emitter of aerotron, collecting electrode is connected between two divider resistances, and base stage is connected with the signal output part of tachogenerator through bleeder circuit.

Above-mentioned oil mass monitoring device comprises a housing, oil inlet is located at the top of housing, oil outlet is located at the below of housing, be provided with a vertical dividing plate in the housing between oil inlet and outlet, the upper and lower aperture that all has of dividing plate, the fuel bowl needle-valve is installed in the housing below oil inlet, is provided with buoy in the housing above oil outlet, this buoy top is connected with anti-dazzle device.

Above-mentioned oil mass monitoring device comprises a housing, oil inlet is located at housing below avris, oil outlet is located at the housing top, and a horizontal diaphragm in the middle of the housing is equipped with a magnetic patch on the diaphragm, having the middle hole of Kong Bingyu diaphragm in the middle of the magnetic patch communicates, a lever is established in the housing below, and an end of lever also is equipped with a magnetic patch, and corresponding with above-mentioned magnetic patch, the other end of lever is installed anti-dazzle device, and is connected with a retracing spring.

The base stage of above-mentioned aerotron drives integrated package with the level indication and is connected behind a resistance, this integrated package is connected with the tachogenerator signal output part again.

As a kind of improvement, fuel consumption of 100km table of the present utility model comprises gauge outfit, also has an oil mass monitoring device that is installed on the self-propelled vehicle transport pipe, this device is provided with a up-narrow and down-wide anti-dazzle device, these plate both sides are respectively equipped with infrared transmitting tube and infrared receiving tube, and the oily signal that this infrared receiving tube records is connected with gauge outfit through the digital to analogy conversion integrated package through analogue to digital conversion integrated package, computing integrated package respectively with the speed signal of being exported by tachogenerator again.

Because technique scheme is provided with an oil mass monitoring device on the self-propelled vehicle transport pipe, have one to move and up-narrow and down-wide anti-dazzle device on this device with oil mass size, the plate both sides are respectively equipped with infrared transmitting tube and infrared receiving tube to pick up oil mass signal, speed signal and oil mass signal from tachogenerator are input in the step control change resistance circuit jointly, the signal of output is shown by gauge outfit, therefore, this table energy instant playback self-propelled vehicle at a time, hundred kilometers consumption of fuels under certain vehicle speed condition, so that instruct the correct steering vehicle of navigating mate, reach the fuel-economizing purpose to greatest extent.

Four, description of drawings.

Fig. 1 is the utility model fuel consumption of 100km list structure scheme drawing;

Fig. 2 is the another kind of embodiment structural representation of the utility model fuel consumption of 100km table;

Fig. 3 is the utility model fuel consumption of 100km watch circuit schematic diagram;

Fig. 4 is that first kind of step control becomes the resistance circuit schematic diagram in the circuit shown in Figure 3;

Fig. 5 is that second kind of step control becomes the resistance circuit schematic diagram in the circuit shown in Figure 3;

Fig. 6 is that the third step control becomes the resistance circuit schematic diagram in the circuit shown in Figure 3;

Fig. 7 is the utility model digital circuit block scheme.

Five, the specific embodiment.

Referring to Fig. 1, fuel consumption of 100km table of the present utility model comprises gauge outfit 1, and this gauge outfit 1 is actually a pointer amperemeter/ammtr, unit is L/100km, this table can be installed in the existing mileage meter of self-propelled vehicle, and tachogenerator is linked to each other with the transmission shaft of mileage meter, synchronizedly runs.One oil mass monitoring device is installed on the self-propelled vehicle transport pipe, and the fuel tank of current mobility car to the oil transportation mode of driving engine has two kinds, and a kind of is positive-pressure type, and a kind of is suction type.For positive-pressure type oil mass monitoring device, comprise a housing 2, oil inlet 3 is located at the top of housing 2, oil outlet 4 is located at the below of housing 2, one dividing plate 5 is installed in the housing between oil inlet and outlet vertically, dividing plate 5 all has aperture up and down, and two chambers and two Room were interconnected by the aperture on the dividing plate about dividing plate 5 was divided into housing 2.One fuel bowl needle-valve 6 is installed in the housing below oil inlet 3, a buoy 7 is installed in the housing above oil outlet 4, the top of this buoy 7 connects a up-narrow and down-wide anti-dazzle device 8, and this anti-dazzle device 8 can be triangle, half elliptic or trapezoidal.Anti-dazzle device 8 both sides are separately installed with infrared transmitting tube and infrared receiving tube.Because the hole on the dividing plate is less, two Room easily form difference of pressure about housing.When consumption of fuel was big, buoy 7 moved down, and the optical signal of the infrared transmitting tube that infrared receiving tube receives is strengthened thereupon.

For suction type oil mass monitoring device, can be referring to Fig. 2, it comprises a housing 2, oil inlet 3 is located at housing below one side, oil outlet 4 is located at the top of housing, and a horizontal diaphragm 9 in the housing 2 is divided into two chambers up and down with housing, one magnetic patch 10 is installed on the diaphragm 9, is had Kong Bingyu diaphragm 9 middle holes in the middle of the magnetic patch 10 and communicate.Below housing 2, be provided with a lever 11, one end of lever 11 is equipped with magnetic patch 12 and corresponding with the position of magnetic patch 10, the other end of lever is equipped with anti-dazzle device 8, and this section of lever 11 also is connected with a retracing spring 13, and anti-dazzle device 8 both sides are separately installed with infrared transmitting tube and infrared receiving tube.Diaphragm 9 moves under the effect of negative pressure, and consumption of fuel is big more, and negative pressure is big more, and the distance of diaphragm displacement is also big more, and the magnetic patch 12 that magnetic patch 10 attracts on the lever 11 moves down anti-dazzle device 8, and the optical signal of the infrared transmitting tube that infrared receiving tube receives also strengthens thereupon.

Referring to the schematic circuit diagram of Fig. 3, resistance R ₃With infrared receiving tube DG ₂Be that gauge outfit 1 is connected with amperemeter/ammtr again after the series connection, become resistance circuit with a step control more simultaneously and be connected that with dashed lines marks among the figure.Referring to Fig. 4, this step control become resistance circuit by some groups by an aerotron BG ₁With two resistance R ₁, R ₂The circuit that constitutes is formed in parallel.Each aerotron BG wherein ₁Grounded emitter, collecting electrode is connected resistance R ₁, R ₂Between, the signal output part V of tachogenerator ₀Through resistance R ₆, R ₇Be connected with transistor base after the dividing potential drop.Be input to gauge outfit after the classified control of oil signal and speed signal becomes resistance circuit, can indicate consumption of fuel at that time.The progression that step control becomes resistance circuit is many more, that is aerotron BG in parallel ₁And resistance R ₁, R ₂Many more, the numerical value of output is accurate more.

Fig. 5 is that second kind of classification becomes resistance control circuit schematic diagram, and it is identical with principle shown in Figure 4, each aerotron BG ₁Base stage and a zener diode and a resistance R ₈The signal output part V of series connection back and tachogenerator ₀Connect.

Fig. 6 is that the third classification becomes resistance control circuit schematic diagram, and after the signal of tachogenerator was input to level indication driving integrated package, each pin of integrated package is series resistance R again ₉Back and triode BG ₁Base stage connect.

Fig. 7 is the utility model digital circuit block scheme, the speed signal that oily signal that is recorded by infrared receiving tube and tachogenerator record is input to gauge outfit respectively behind A/D analogue to digital conversion integrated package, computing integrated package and D/A digital to analogy conversion integrated package, simulate demonstration, also can show in the laggard line number word output of computing integrated package.

Claims

1, a kind of fuel consumption of 100km table, comprise gauge outfit, it is characterized in that: it also has an oil mass monitoring device that is installed on the self-propelled vehicle transport pipe, this device is provided with a up-narrow and down-wide anti-dazzle device (8), these plate both sides are respectively equipped with infrared transmitting tube and infrared receiving tube, this infrared receiving tube is electrically connected with gauge outfit (1), simultaneously become resistance circuit with a step control again and be connected, this circuit by fractions not by an aerotron BG ₁With two divider resistance R ₁, R ₂The circuit that constitutes is formed in parallel, the wherein grounded emitter of aerotron, and collecting electrode is connected between two divider resistances, and base stage is connected with the signal output part of tachogenerator through bleeder circuit.

2, according to the said fuel consumption of 100km table of claim 1, it is characterized in that: described oil mass monitoring device comprises a housing (2), oil inlet (3) is located at the top of housing (2), oil outlet (4) is located at the below of housing (2), be provided with a vertical dividing plate (5) in the housing between oil inlet and outlet, the upper and lower aperture that all has of dividing plate (5), in the housing (2) of oil inlet (3) below, fuel bowl needle-valve (6) is installed, be provided with buoy (7) in the housing (2) of oil outlet (4) top, this buoy (7) top is connected with anti-dazzle device (8).

3, according to the said fuel consumption of 100km table of claim 1, it is characterized in that: described oil mass monitoring device comprises a housing (2), oil inlet (3) is located at housing (2) below avris, oil outlet (4) is located at housing (2) top, a horizontal diaphragm (9) in the middle of the housing (2), one magnetic patch (10) is installed on the diaphragm (9), having the middle hole of Kong Bingyu diaphragm in the middle of the magnetic patch (10) communicates, a lever (11) is established in housing (2) below, one end of lever (11) also is equipped with a magnetic patch (12), and corresponding with above-mentioned magnetic patch (10), the other end of lever (11) is installed anti-dazzle device (8), and is connected with a retracing spring (13).

4, according to claim 1,2 or 3 said fuel consumption of 100km tables, it is characterized in that: said anti-dazzle device (8) be shaped as triangle.

5, according to the said fuel consumption of 100km table of claim 1, it is characterized in that: described bleeder circuit is by two resistance R ₆, R ₇Be in series said aerotron BG ₁Base stage be connected this two resistance R ₆, R ₇Between.

6, according to the said fuel consumption of 100km table of claim 1, it is characterized in that: described bleeder circuit is by resistance R ₈Zener diode DG with different voltage stabilizing values ₃Be in series.

7, according to the said fuel consumption of 100km table of claim 1, it is characterized in that: described bleeder circuit drives integrated package and resistance R by the level indication ₉Be in series.

8, according to the said fuel consumption of 100km table of claim 1, it is characterized in that: described gauge outfit (1) is installed in the mileage meter of face motor-car, and tachogenerator links to each other with the transmission shaft of mileage meter.

9, a kind of fuel consumption of 100km table, comprise gauge outfit, it is characterized in that: it also has an oil mass monitoring device that is installed on the self-propelled vehicle transport pipe, this device is provided with a up-narrow and down-wide anti-dazzle device (8), these plate both sides are respectively equipped with infrared transmitting tube and infrared receiving tube, and the oily signal that this infrared receiving tube records is connected with gauge outfit (1) through the digital to analogy conversion integrated package through analogue to digital conversion integrated package, computing integrated package respectively with the speed signal of being exported by tachogenerator again.