CN2506475Y - Fuel measurer - Google Patents

Abstract

The utility model relates to a liquid flow rate measurement apparatus, in particularly to a fuel measurer used for mechanical refueling of motor vehicles and ships. The utility model consists of two parts that are a digital display apparatus and a mechanical driving mechanism. The signal is emitted by the digital display apparatus through a hall sensor arranged on the mechanical driving mechanism, and then processed by a digital display circuit and finally the flow rate is displayed by the digital display circuit. The driving mechanism is a rotary shaft that is vertically arranged inside a casing. The rotary shaft is horizontally fixed with a rotary impeller and a fixed spiral disc. A ring type permanent magnet is fixed on the upper surface of the fixed spiral disc, and matched with the hall sensor. The hall sensor is connected with a digital control circuit and a digital display arranged on an upper support cover by signal lines. The measurer has the advantages of simple structure, accurate calculation, low cost and convenient carrying and using, and can be widely applied for the field measurement of the liquid flow rate.

Description

Fuel measurer

One, technical field: the utility model relates to a kind of liquid flow mearuement utensil, particularly a kind of utensil that is used for self-propelled vehicle and ship machinery Fuel-filling metering.

Two, background technology: existing liquid flowmeter mostly is Electromechanical Design or is connected mechanical reading flow counter in the pipeline, and the electromechanical integration flow counter exists volume big, and is not portable, and the price height; It is poor that the mechanical reading flow counter exists measuring accuracy again, the on-the-spot connection and the reading inconvenience.

Three, summary of the invention: the purpose of this utility model is exactly not portable at existing flow counter, the on-the-spot connection and the defective of reading inconvenience, and a kind of easy to carry, accurate measurement, fuel measurer with low cost are provided.

Realize that the technical scheme that above-mentioned purpose adopts is: this fuel measurer, comprise numeric display unit and mechanical driving mechanism two parts composition, Hall element provides signal to numeric display unit on the mechanical driving mechanism by being located at, after the digital control circuit processing, show flow by digital display circuit.Mechanical driving mechanism is made up of a driver train that has the housing of entrance and exit and be installed in the housing.Driver train is to insert rotating shaft in the housing by vertical direction, the lower support lid by being fixed on housing bottom and the upper support lid clamp fitting on housing top, and upper support is covered and is connected with the housing negative thread and seals.Lower horizontal in rotating shaft is fixed with rotary blade, and its upper level is rotating disc fixedly, and annular permanent magnnet is fixed on the rotating disc upper surface.The upper/lower terminal of rotating shaft is a cone structure, and the recess supports with upper support lid and lower support lid cooperates respectively.On the upper surface and the cooresponding position of annular permanent magnnet of upper support lid, Hall element is installed cooperates with annular permanent magnnet, Hall element by signal wire (SW) be installed in the digital control circuit that upper support covers and be connected with digital display screen.

This technical scheme also comprises: the entrance and exit along continuous straight runs that is positioned at housing bottom has the leaning angle of 15-25 degree downwards, the joint portion of inlet and housing is lower than the joint portion of outlet and housing, and inlet upwards is communicated with housing inner chamber and outlet by the through hole that lower support covers from housing bottom.Be provided with the spring bayonet socket that has tapering in the inlet end of housing, cooperate with block nut to form latching device, be fixed with filtering net in the bottom of lower support lid.

Adopt the gauge after the technique scheme, have simple in structure, accurate measurement, with low cost, carry with easy to use, can be widely used in the on-site measurement fluid flow.

Four, description of drawings:

Fig. 1 is an integral structure scheme drawing of the present utility model;

Fig. 2 is the birds-eye view of Fig. 1.1 is housing among the figure, the 2nd, and latching device, the 3rd, filtering net, the 4th, rotary blade, the 5th, annular permanent magnnet, the 6th, Hall element, the 7th, upper support lid, the 8th, rotating disc, the 9th, gland, the 10th, digital display screen, the 11st, reset key, the 12nd, on ﹠ off switch.

Five, the specific embodiment:

Contrast Fig. 1, this fuel measurer comprises numeric display unit and mechanical driving mechanism two parts composition, and Hall element 6 provides signal to numeric display unit on the mechanical driving mechanism by being located at, after the digital control circuit processing, show flow by digital display circuit.Mechanical driving mechanism is made up of a driver train that has the housing 1 of entrance and exit and be installed in the housing 1.Driver train is to insert rotating shaft in the housing by vertical direction, and the lower support lid by being fixed on housing 1 bottom and the upper support on housing top are covered 7 clamp fittings, and upper support is covered 7 and is connected with housing 1 negative thread and seals.Lower horizontal in rotating shaft is fixed with rotary blade 4, and its upper level is rotating disc 8 fixedly, and annular permanent magnnet 5 is fixed on rotating disc 8 upper surfaces.The upper/lower terminal of rotating shaft is a cone structure, and the recess supports with upper support lid 7 and lower support lid cooperates respectively.On the upper surface and annular permanent magnnet 5 cooresponding positions of upper support lid 7, Hall element 6 is installed cooperates with annular permanent magnnet 5, Hall element 6 by signal wire (SW) be installed in the digital control circuit that upper support covers on 7 and be connected with digital display screen.Digital control circuit and digital display screen can adopt existing circuit, do not make reference here.

On the basis of above-mentioned embodiment, cooperate with fuel charger for convenience, the entrance and exit along continuous straight runs that is positioned at housing 1 bottom has the leaning angle of 15-25 degree downwards, the joint portion of inlet and housing 1 is lower than the joint portion of outlet and housing 1, and the through hole that inlet covers by lower support from housing 1 bottom upwards is communicated with housing 1 inner chamber and outlet.Be provided with the spring bayonet socket that has tapering in the inlet end of housing 1, cooperate with block nut 2 to form latching device, be fixed with filtering net 3 in the bottom of lower support lid.

In the use, the oil of fuel charger tried to get the first word in insert in the inlet of housing 1, tighten block nut 2 then the two is fixed together, press the on ﹠ off switch 12 on gauge top, oil plant promotes rotary blade 4 by filtering net 3 and rotates, and oil plant enters fuel tank by outlet.Simultaneously, annular permanent magnnet 5 rotates synchronously with rotary blade 4, cooperates with Hall element 6 to produce impulse singla, demonstrates flow number at read-out 10 after control circuit and display circuit processing.If the single metering can be pressed reset key 11, read-out 10 numerals disappear, and refuel next time and repeat secondary program.

Certainly, this fuel measurer also can be used for the metering of other fluids, needs only during use its entrance and exit and pipeline are coupled together.

Claims (3)

1, a kind of fuel measurer, comprise numeric display unit and mechanical driving mechanism two parts composition, Hall element provides signal to numeric display unit on the mechanical driving mechanism by being located at, after the digital control circuit processing, show flow by digital display circuit, it is characterized in that: described mechanical driving mechanism is made up of a driver train that has the housing of entrance and exit and be installed in the housing, driver train is to insert rotating shaft in the housing by vertical direction, the lower support lid by being fixed on housing bottom and the upper support on housing top are covered clamp fitting, the upper support lid is connected with the housing negative thread and seals, lower horizontal in rotating shaft is fixed with rotary blade, its upper level is rotating disc fixedly, annular permanent magnnet is fixed on the rotating disc upper surface, in the rotating shaft, following two ends are cone structures, recess supports with upper support lid and lower support lid cooperates respectively, on the upper surface and the cooresponding position of annular permanent magnnet of upper support lid, Hall element is installed cooperates with annular permanent magnnet, Hall element by signal wire (SW) be installed in the digital control circuit that upper support covers and be connected with digital display screen.

2, fuel measurer according to claim 1, it is characterized in that: the entrance and exit along continuous straight runs that is positioned at housing bottom has the leaning angle of 15-25 degree downwards, the joint portion of inlet and housing is lower than the joint portion of outlet and housing, and inlet upwards is communicated with housing inner chamber and outlet by the through hole that lower support covers from housing bottom.

3, fuel measurer according to claim 2 is characterized in that: be provided with the spring bayonet socket that has tapering in the inlet end of housing, cooperate with block nut to form latching device, be fixed with filtering net in the bottom of lower support lid.

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