JP2014238418A - Portable type flowmeter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable type flowmeter capable of confirming a supply amount of oil during an oil supplying operation even when there is a distance up to an oil supply object and capable of making an oil feeding operation smoothly performed by one person.SOLUTION: A portable type flowmeter 1 includes: a housing 2 composed of a first housing 3 and a second housing 4 and storing a weighing part for measuring a flow amount; a display device 5 provided to the housing 2, including a second substrate 19 having a display part 16 for displaying a measured flow amount, and a resin cover 18 having a display window 18y recognizable of a display of the display part and mounted on the second housing so as to cover the second substrate; and flanges 3c, 3d provided in the upstream side and the downstream side of a fluid flow of the housing. The resin cover is mounted such that its direction toward the second housing can be changed, and the second substrate is mounted such that its direction can be changed according to the direction of the display window for the second housing in such a manner that the display of the display part can be recognized from the display window of the resin cover. Thereby, the oil supply amount can be easily confirmed.

Description

  The present invention relates to a portable flow meter used when fuel oil is supplied directly from a fuel delivery vehicle to a vehicle or a domestic tank.

  Conventionally, to refuel directly from a fuel delivery vehicle to a vehicle, etc., a coupling connected to the unloading port of the fuel delivery vehicle, a flow meter for measuring the flow rate of the fuel oil, and a measured value of the flow rate measured by the flow meter A fuel refueling unit is used that includes a display for displaying the fuel, a fuel hose connected to the discharge port of the flow meter, and a fuel nozzle attached to the tip of the fuel hose.

  For example, in Japanese Patent Application No. 2011-155807, the applicant of the present application may not be able to supply fuel oil in an underground tank in the event of a disaster, or if a fuel delivery vehicle cannot reach a gas station. We have proposed a fuel supply unit that can supply fuel oil to vehicles in disaster areas.

  The fuel refueling unit proposed in the above Japanese Patent Application No. 2011-155807 functions effectively in the event of a disaster, but the flow meter and the indicator are installed on the fuel delivery vehicle side. If there is a distance, if one person performs the refueling work, the fueling amount cannot be confirmed on the display unit during the refueling work. It was necessary to go to the delivery car, and there was a risk that work efficiency would be reduced. In addition, when the work is performed by two people, the refueling work can be easily performed, but the man-hours increase accordingly.

  Accordingly, the present invention provides a fuel refueling unit that can confirm the amount of fuel refueling during a refueling operation even when there is a distance from the fuel delivery vehicle to the refueling object, and so on. An object of the present invention is to provide a portable flow meter that can be configured.

  To achieve the above object, the present invention is used in a fuel supply unit that supplies fuel oil from a fuel delivery vehicle to an object to be refueled via a fuel supply hose and a fuel supply nozzle connected to an unloading port of the fuel delivery vehicle. A portable flow meter for measuring the flow rate of the supplied fuel oil, comprising a first housing and a second housing, housing a measuring unit for measuring the flow rate, and provided in the housing for measurement A display including a substrate having a display unit that displays the flow rate, and a resin cover that has a display window in which the display of the display unit is visible and is mounted on the second housing so as to cover the substrate; An upstream flange and a downstream flange provided on the upstream and downstream sides of the fluid flow of the housing, and the resin cover is mounted so that its orientation can be changed with respect to the second housing. And the substrate is mounted on the second housing in such a manner that the orientation can be changed according to the orientation of the display window so that the display of the display section can be viewed from the display window of the resin cover. An oil supply hose is connected to the upstream flange, and the oil supply nozzle is connected to the downstream flange.

  According to the portable flow meter of the present invention, by fixing each of the oil supply hose fixed to the unloading port of the fuel delivery vehicle and the fuel supply nozzle to the flange of the portable flow meter, the indicator is connected to the fuel supply nozzle. Since it can be located in the immediate vicinity, one person can smoothly perform the refueling operation while easily confirming the refueling amount at hand.

  In addition, since the resin cover is mounted on the second housing so as to cover the substrate having the display portion, the weight of the portable flow meter is reduced, and the impact at the time of dropping is absorbed by the resin cover to prevent damage. Can do.

  Further, a resin cover having a display window in which the display on the display unit can be visually recognized is mounted so that the orientation can be changed with respect to the second housing, and the substrate having the display unit is displayed on the display unit. By attaching to the second housing so that the direction can be changed according to the direction of the display window so that it can be viewed from the window, the amount of oil supply by the operator can be confirmed more easily.

  As described above, according to the portable flow meter according to the present invention, even when there is a distance to the refueling object, it is possible to smoothly perform the refueling work by one person while simply confirming the refueling amount. .

It is sectional drawing of the portable flowmeter which concerns on this invention. It is a slope view of the portable flowmeter concerning the present invention. It is a perspective view which shows the state which removed the resin cover of the portable flowmeter which concerns on this invention. It is a perspective view which shows the state which removed the indicator of the portable flowmeter which concerns on this invention. It is a perspective view which shows the resin cover which concerns on this invention. It is a whole block diagram in order to demonstrate the usage point of the portable flowmeter which concerns on this invention.

  Next, an embodiment for carrying out the present invention will be described in detail with reference to the drawings.

  FIGS. 1 to 5 show an embodiment of a portable flow meter (hereinafter referred to as “flow meter”) according to the present invention. This flow meter 1 is roughly divided into a first housing 3 and a second housing 4. And a display 5.

  The first housing 3 includes an inflow port 3 a, an outflow port 3 b, an upstream side flange 3 c, a downstream side flange 3 d, and an accommodating portion 3 e that accommodates the rotor 10.

  The second housing 4 is fixed to the upper surface of the first housing 3 with screws 25, and a support portion 11 that rotatably supports the rotor 10 housed in the housing portion 3e of the first housing 3 and only while being pressed. Lights up and is used as a backlight button 12 to make the display easy to see, and as a start button in normal times, but depending on usage, it is used as a start button 13 that also serves as a reset button and a digit input button, and in normal times as a mode switching button. Depending on how it is used, a mode switching button 14 that also serves as a confirmation button, a first substrate 15 having a storage unit that stores a flow rate obtained by measuring the number of rotations of the rotor 10, and the like are provided. The integrated value of the flow rate measured by the mode switching button 14, the instantaneous flow rate, etc. can be confirmed.

  The measuring unit including the rotor 10 and the like housed across the first housing 3 and the second housing 4 is not illustrated, but a tachometer for measuring the rotation speed of the rotor 10 and the measured rotation speed data are omitted. The flow rate data measured is transmitted to the second substrate 19 of the display 5. Here, by adopting a low power consumption type CPU, the battery 21 can be reduced in size, and the power generated by the rotation of the rotor 10 is generated and stored in the battery 21 or the like to extend the life of the battery 21. You can also.

  The display unit 5 includes a display unit 16 for displaying the amount of fuel supplied, the integrated amount, the flow rate, the battery replacement time, the magnet switch 17 that enters a maintenance mode when the magnet is brought close to a fixed position, and the display unit from the impact caused by the drop of the flow meter. 5 includes a resin cover 18 that protects the interior of the battery 5, a second substrate 19, a backlight 20 that is lit only while the backlight button 12 is being pressed, and that makes it easy to see the display, and a battery 21. The backlight 20 improves operability at night.

  As shown in FIG. 5, the resin cover 18 includes a covered cylindrical cover 18b above the cylindrical base 18a, and a protrusion 18c and a recess 18d are formed below the base 18a.

  When the resin cover 18 is attached to the second housing 4, as shown in FIG. 4, the second housing 4 is formed with recesses 4a and 4b, and there is another recess that does not appear in the figure, These recesses 4a, 4b and the like are provided every 90 degrees on the peripheral wall 4z in a top view. Therefore, the direction of the display window 18y (see FIGS. 1 and 2) of the resin cover 18 can be changed by changing the recesses 4a, 4b and the like to be engaged with the protrusions 18c of the resin cover 18.

  Further, when mounting the second substrate 19, as shown in FIG. 4, screws 27 are screwed into the screw holes 26a of the four standing portions 26 as shown in FIG. The screw holes 26a are present at rotationally symmetric positions around the center of the peripheral wall 4z in a top view, and the four screw holes 26a are screwed at the same pitch. The direction can be changed according to the display window 18 y of the resin cover 18.

  As described above, the magnet switch 17 enters the maintenance mode by bringing the magnet close thereto. In this maintenance mode, for example, the software version recorded in the storage unit of the first substrate 15 can be confirmed, You can check the wear error, enter training mode, re-register the accumulated amount when you replace the battery, and so on. Since the accumulated amount at the time of battery replacement can be re-registered, it is not necessary to take a memo when resetting at the time of battery replacement or the like, thus improving work efficiency.

  In addition, a media reader may be provided to perform external management of data stored in the storage unit of the first substrate 15.

  When the indicator 5 is mounted on the second housing 4, the packing 24 is provided below the screw head of the screw 22 and pressed by the sheet metal 23, so that even if the flow meter 1 drops and receives an impact, the packing is provided. The impact can be absorbed by the elasticity of 24, and damage to the flow meter 1 can be prevented.

  Next, a method of using the flow meter 1 having the above configuration will be described with reference to FIG. In the following description, a case where kerosene is supplied from the fuel delivery vehicle 32 to the household tank 35 will be described as an example.

  A refueling hose 33 connected to the unloading port 32a of the fuel delivery vehicle 32 and a refueling nozzle 34 are connected to the upstream flange 3c and the downstream flange 3d of the first housing 3 of the flow meter 1 shown in FIG. To do.

  The nozzle portion of the oil supply nozzle 34 is inserted into the oil supply port 35a of the tank 35, the start button 13 of the flow meter 1 is pressed, and the oil supply nozzle 34 is operated to supply oil. Here, by extending the fuel supply hose 33, it is possible to cope with a case where there is a certain distance between the fuel delivery vehicle 32 and the tank 35. In addition, by providing the flow meter 1 in the immediate vicinity of the oil supply nozzle 34, it is possible to perform an oil supply operation while confirming the amount of oil displayed on the display 5 at hand, so that one person can smoothly perform the oil supply operation. Is possible.

  Further, by changing the dimensions of the upstream flange 3c and the downstream flange 3d of the first housing 3 of the flow meter 1, various sizes of hoses and nozzles can be accommodated.

DESCRIPTION OF SYMBOLS 1 Portable flow meter 2 Housing 3 1st housing 3a Inlet 3b Outlet 3c Upstream flange 3d Downstream flange 3e Housing | casing part 4 2nd housing 4a, 4b Recessed part 4z Perimeter wall 5 Display 10 Rotor 11 Support part 12 Backlight button 13 Start button 14 Mode switching button 15 1st board | substrate 16 Display part 17 Magnet switch 18 Resin cover 18a Base part 18b Cover part 18c Protrusion part 18d Recessed part 18y Display window 19 2nd board | substrate 20 Backlight 21 Battery 22 Screw 23 Sheet metal 24 Packing 25 Screw 26 Standing portion 26a Screw hole 27 Screw 32 Fuel delivery vehicle 32a Unloading port 33 Refueling hose 34 Refueling nozzle 35 Tank 35a Refueling port

Claims (1)

Used in a fuel supply unit that supplies fuel oil from a fuel delivery vehicle to an object to be refueled via an oil supply hose and a fuel supply nozzle connected to an unloading port of the fuel delivery vehicle, and the flow rate of the supplied fuel oil is A portable flow meter for measuring,
A housing comprising a first housing and a second housing, and housing a measuring portion for measuring a flow rate;
A resin that is provided in the housing and has a display unit that displays the measured flow rate, and a display window through which the display of the display unit is visible, and is mounted on the second housing so as to cover the substrate An indicator including a cover;
An upstream flange and a downstream flange provided on the upstream and downstream sides of the fluid flow of the housing,
The resin cover is attached to the second housing so that the orientation can be changed,
The substrate is mounted on the second housing such that the direction of the display unit can be changed according to the direction of the display window so that the display of the display unit can be viewed from the display window of the resin cover.
The portable flowmeter, wherein the oil supply hose is connected to the upstream flange, and the oil supply nozzle is connected to the downstream flange.

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