JPH033654Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention relates to a display device for a fire hydrant, and more specifically, a display device that enables the location of a fire hydrant to be easily confirmed by turning on a light source at night. Regarding.

BACKGROUND TECHNOLOGY A water outlet is formed on the side of a body installed on the ground, and an operating section is provided at the upper end of the body, and water is discharged from the water outlet by operating the operating section. So-called above-ground fire hydrants are installed at the side edges of roads as a water source for extinguishing fires in the event of a fire. The outer periphery of the body of such a fire hydrant is usually painted red for the purpose of preventing rust and increasing visibility. However, it is difficult to locate fire hydrants at night in places with insufficient lighting. For this reason, once a fire breaks out, it becomes difficult to find the nearest fire hydrant to the fire scene.
Due to this, preparations for fire extinguishing operations may be delayed, or fire extinguishing operations may be hindered due to damage caused by car collisions or illegal parking.

In order to solve these problems, devices have been devised such as painting the body of the fire hydrant with fluorescent paint, wrapping it with reflective tape, or using a commercial power supply or storage battery to turn on the indicator light. Such prior art is very expensive and labor intensive to maintain and is not practical.

Another prior art technique for solving such problems is disclosed in Japanese Utility Model Application Laid-Open No. 59-71387. In this prior art, a battery is charged by the electromotive force of the solar cell, and the light emitting element of the fire hydrant position display section is energized to emit light at night using the electric power from the battery.

Problems to be Solved by the Invention In the above-mentioned prior art, the display part provided with the display part is connected to the fire hydrant by a magnet, so that the display part can be easily removed from the fire hydrant. Therefore, there is a risk that the display body portion may be easily taken away by theft or mischief, and the display body cannot function satisfactorily.

The purpose of this invention is to solve the above technical problems,
To provide a display device for a fire hydrant that allows the location of the fire hydrant to be quickly discovered at night, is easy to maintain and manage, and is firmly fixed to the fire hydrant to prevent theft as much as possible. That's true.

Means for Solving the Problems The fire hydrant display device of the present invention is a fire hydrant in which an operating part and a water outlet are provided on the body that stands on the ground, and when the operating part is operated, water is discharged from the water outlet. A display device for a fire hydrant installed on a vehicle includes a mounting body fixed to the operating section of the fuselage, a solar cell attached to the mounting body through a case, a battery charged by the starting force of the solar cell, and a battery. and a light source that emits light using electric power.

Further, in a preferred embodiment, the mounting body is fixed so as to cover the operating section of the body, and has another operating section coaxial with the operating section.

Function According to the present invention, the battery is charged by the starting force of the solar cell attached to the mounting body, and the light source emits light using the electric power of the battery, making it easy to confirm the position of the fire hydrant at night. It becomes possible.

In addition, by using a combination of a solar cell and a battery as a power source, the light source can emit light without using a commercial power source, and almost no daily maintenance is required. Furthermore, since the solar cell is fixed to the operating part of the body of the fire hydrant via the mounting body, it can be firmly fixed without impairing the original function of the fire hydrant.

Embodiment FIG. 1 is a partially cutaway sectional view of an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of a portion of FIG. 1. A fire hydrant 1 has a body 2 installed on the ground.
The lower end of the pipe body 3, including the pipe body 3 and the pipe body 3 buried underground, is connected to a water pipe or the like. A water outlet 4 is formed on the side of the body 2, and a cap 5 is attached to the water outlet 4. fuselage 2
An operating section 7 is provided at the upper end of the valve body 2 and connected to a valve rod 6 that passes vertically through the body 2 and the pipe body 3. This operating section 7 is formed roughly in the shape of a quadrangular pyramid. By fitting the cap opener 8 into the operating portion 7 and performing an angular displacement operation, the valve rod 6 is interlocked and the valve means 9 performs the opening/closing operation. When the valve means 9 is in the open state, the pipe body 3 and the body 2
Tap water is discharged from the water outlet 4 through the water outlet 4.

A mounting body 10 is fixed to the operating section 7 so as to cover the upper end of the body 2 and the operating section 7. A light emitting unit 11 is attached to this attachment body 10. The mounting body 10 includes a cylindrical portion 12, an annular portion 13, and an operating portion 14. The outer shape of the annular portion 13 is circular, and a fitting recess 15 into which the operating portion 7 is fitted is formed inside the annular portion 13 . The fitting recess 15 has a pyramidal surface that tapers upward in accordance with the outer shape of the operating portion 7 .

The operating section 14 has a shape roughly similar to the aforementioned operating section 7, and is composed of a pyramid-shaped operating section main body 14a and a top portion 14b. Cylindrical portion 12, annular portion 13
The operating portion 14 and the operating portion 7 have a common axis. A screw hole 16 is formed in the annular portion 13, and a screw 17 is screwed into the screw hole 16 to press the outer peripheral surface of the operating portion 7. As a result, the mounting body 10 is firmly fixed to the fire hydrant 1.

As will be described later, the fire hydrant 1
The operation parts 7 are operated in conjunction with each other to discharge water. FIG. 3 is a plan view of the light emitting unit 11.
FIG. 4 is a bottom view of the light emitting unit 11.
The figure is a side view with the right half of the light emitting unit 11 cut away, FIG. 6 is a sectional view taken along the cutting plane line - in FIG. 5, and FIG. 7 is a sectional view taken along the cutting plane line - in FIG. 3.
FIG. 8 is a cross-sectional view taken from the cutting plane line - in FIG. 3. Referring to these drawings, the light emitting unit 11 includes an annular case 20 attached to the mounting body 10, and this case 2.
Solar battery 21 and solar battery 2 stored in 0
a battery 22 charged by the electromotive force of 1;
It is composed of a light emitting diode 23 and the like as a light source that emits light using electric power from a battery 22.

The case 20 includes a bottom plate 24 and a case body 2 whose cross section perpendicular to the circumferential direction is roughly formed in an inverted U shape.
5. The bottom plate 24 is made of ABS resin, for example, and has a through hole 26 formed in the center. The bottom plate 24 is formed with annular engaging protrusions 90a and 90b (see FIG. 5). The bottom plate 24 also has bolt insertion holes 30 through which four bolts 29 for fixing the bottom plate 24 and the case body 25 are inserted.
(See FIG. 5) is formed.

The case body 25 is made of acrylic resin or polycarbonate resin. On the upper surface of this case body 25, four cell cases 31 that house solar cells 21 are integrally formed in a radial manner. In this way, attach the solar cell 21 to the case body 25.
By arranging them radially and evenly on the top surface of
When the solar cells 21 are connected in parallel for each cell case 31, a stable electromotive force of the solar cells 21 can be obtained even if any of the cell cases 31 is in the shade. This cell case 31 is transparent, and the remaining portion of the case body 25 has a red smoked finish.

Inner peripheral wall 25a and outer peripheral wall 2 of case body 25
At each peripheral edge of 5b, an engaging protrusion 9 of the bottom plate 24 is provided.
an annular engagement protrusion 33a that engages with 0a, 90b;
33b (see FIG. 5) is formed. Further, the case body 25 is formed with four engaging protrusions 34 extending downward from the upper surface.
An insert nut 35 is buried within the hole 4.

With the case body 25 covered by the bottom plate 24,
The bolt 29 is inserted into the bolt insertion hole 3 from below the bottom plate 24.
0 and screwed into the insert nut 35, thus fixing the bottom plate 24 and the case body 25.

Further, a bolt insertion hole 28 into which the bolt 27 is inserted is formed in the case body 25, and a recess 36 is formed in the outer peripheral wall 25b of the case body 25 near this insertion hole 28. The bolt 27 has an octagonal recess 38 formed in its head, and a protrusion 39 protrudes from the center of the recess 38 . With this configuration, a normal screwdriver cannot be used to operate the bolt 27, and theft of the light emitting unit 11 can be prevented.

A battery 22, a circuit board 40, etc. are attached to the bottom plate 24. As the battery 22, for example, a nickel-cadmium type battery is used. Further, the substrate 41 of the light emitting diode 23 is attached to the bottom plate 24. It is fixed by a mounting piece 42.

A plurality of solar cells 21 (four in this embodiment) are used.
A number of solar cells 43 are connected in series to obtain the necessary electromotive force. This solar battery cell 43 is made of polycrystalline silicon, and can achieve weather resistance and reduce deterioration in conversion efficiency over time. This solar cell 43
is housed within the mounting frame 44 of the cell case 31 and fixed by filling with silicone resin 100.

Next, the light emitting unit 11 having such a configuration
The procedure for attaching the fire hydrant 1 to the fire hydrant 1 will be explained. First, the mounting body 10 is placed to cover the upper end of the fire hydrant 1, and the annular portion 13 of the mounting body 10 is attached to the outer peripheral surface of the operating portion 7 of the fire hydrant 1.
are fitted so that the inner peripheral surfaces of the fitting recesses 15 are in tight contact with each other. Thereafter, the screw 17 is screwed into the screw hole 16, and the screw 17 is threaded until the end of the screw 17 presses against the outer peripheral surface of the operating portion 7.

Next, the inner wall 25 of the case 20 of the light emitting unit 11
The case 20 is attached to the mounting body 10 so that the outer circumferential surface of the annular portion 13 of the mounting body 10 is inserted through the hole a. In this state, the bolt 27 is inserted through the bolt insertion hole 28 and screwed into the screw hole 37 (see FIG. 2). As a result, the case 20 of the light emitting unit 11
is attached to the fire hydrant 1 via the attachment body 10.

FIG. 9 is a block diagram showing the electrical configuration of the light emitting unit 11. The battery 22 is floatingly charged by the electromotive force of the solar cell 21. Further, the electromotive force of the solar cell 21 is given to the brightness detection circuit 50,
Brightness is detected. Power from the battery 22 is applied to a drive circuit 52 that drives the light emitting diode 23 via a switch means 51. The drive circuit 52 is equipped with an oscillation circuit that outputs a signal having a predetermined oscillation frequency, and thereby the drive circuit 52 drives the light emitting diode 23 to blink based on a predetermined period. Brightness detection circuit 5
The output of 0 is given to the switch means 51, and when the brightness detection circuit 50 detects that the brightness is below a predetermined discrimination level, the switch means 51 becomes conductive, and the light emitting diode 23 is activated to emit light. be done. Therefore, at night, the light emitting diode 23 flashes to indicate the location of the fire hydrant 1, and even during the day when it is cloudy and it is dark enough to display the location of the fire hydrant 1, the light emitting diode 23 blinks. Flashing is driven.

In this way, the battery 22 is charged with the electromotive force of the solar cell 21, and the light emitting diode 23 is driven to flicker by the power of the battery 22, so there is no need for troublesome maintenance and management, and it is possible to achieve low cost. The position of the fire hydrant 1 can be displayed.
Furthermore, by providing the brightness detection circuit 50, the light emitting diode 23 can be energized to emit light only when it is too dark to see the fire hydrant 1, thereby reducing power consumption. Thereby, the solar cell 21 and the battery 22 can be made smaller, and the case 20 can be made smaller.

FIG. 10 is a sectional view of another embodiment of the present invention, and FIG. 11 is a plan view of the case 60 of the light emitting unit 11 used in the embodiment shown in FIG.
FIG. 12 is a bottom view of the case 60. This embodiment is similar to the location designation described above, and corresponding parts are provided with the same reference numerals. It should be noted that in this embodiment, the case 60 is fixed to the top of the mounting body 61. This case 60 has an arc-shaped case body 62.
and a cylindrical body 63 having a storage space for storing the battery 22. The end of the case body 62 comes into contact with the upper edge of the outward flange 63a of the cylindrical body 63, and the light emitting diode 23 and the circuit board 40
A storage space is formed in which the items are stored. Note that the cylindrical body 63 is made of ABS resin.

The case 60 having such a configuration is attached to the operating portion 7 of the fire hydrant 1 via the attachment body 61. The mounting body 61 includes an annular portion 64 having a fitting hole into which the operating portion 7 of the fire hydrant 1 fits, and this annular portion 64.
The operating section 65 includes a rectangular cylindrical operating section 65 that is continuous with the operating section 7 and has a similar shape to the operating section 7 , and a mounting section 66 that is continuous with the operating section 65 . When attaching the case 60 to the attachment body 61, the case 60 is placed on the attachment body 61 and fixed to the attachment body 61 with bolts 27.

This mounting body 61 is fixed to the operating portion 7 of the fire hydrant 1 by a screw 68 that is threaded into a screw hole 67 formed in the annular portion 64.

When discharging water, the valve opener 8 is fitted into the operation part 65 of the mounting body 61 as in the previous embodiment.
By angularly displacing the cap opener 8, the valve stem 6 rotates and the valve means 9 becomes open. As a result, water is discharged from the water outlet 4.

As another example using the annular case 20,
As shown in FIG. 13, a longitudinal sheet body 70 made of electroluminescent elements may be used.
This longitudinal sheet body 70 is provided over the entire circumference of the side inner peripheral surface of the case body 25. Note that the longitudinal sheet body 70 may be configured to be divided into a plurality of pieces in the circumferential direction.

In yet another embodiment using the annular case 20, as shown in FIG. 14, a plurality of light emitting diodes 23 are used to display necessary characters (for example, "fire hydrant") or a symbol representing a fire hydrant. Alternatively, the surface luminescent sign 73 made of an electroluminescent element or the like may be attached to the body 2 of the fire hydrant 1.

Effects As described above, the present invention has the following effects. (1) The location of the fire hydrant can be easily confirmed even at night, which allows prompt preparation for extinguishing a fire. (2) Since the display device is fixed to the operating section of the fire hydrant via the mounting body, the display device can be firmly fixed. Therefore, theft of the display device can be prevented as much as possible. Furthermore, even if the display device is damaged or stolen, water can be sprayed by operating the operating section of the mount, and the function of the fire hydrant will not be affected in any way. (3) When a display device is provided at the upper end of a fire hydrant, it becomes possible to check its position at night even if the fire hydrant is partially buried in the snow in a snowy area. (4) Can be easily installed on existing fire hydrants. (5) Since a combination of a solar cell and a battery is used as the power source, maintenance is easy and there is no need to carry out troublesome work on power supply equipment.
(6) It is possible to clearly inform car drivers of the location of fire hydrants, thereby preventing accidents such as collisions and illegal parking. (7) It can function as a security light in residential areas where street lighting is inadequate. (8) It can be used not only to indicate the location of fire hydrants, but also as road width lights.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway sectional view of an embodiment of the present invention, Fig. 2 is an enlarged sectional view of a part of Fig. 1, Fig. 3 is a plan view of the light emitting unit 11, and Fig. 4 is a light emitting unit. A bottom view of the unit 11, FIG. 5 shows the light emitting unit 1.
1 is a side view with the right half cut away, FIG. 6 is a sectional view taken along the cutting line of FIG. 5, FIG. 9 is a block diagram showing the electrical configuration of the light emitting unit 11, FIG. 10 is a sectional view of another embodiment of the present invention, and FIG. A plan view of the case 60 of the light emitting unit 11 used in the example, FIG.
13 is a perspective view of another embodiment using an annular case 20, and FIG. 14 is a front view of still another embodiment using an annular case 20. 1... Fire hydrant, 2... Body, 4... Water outlet, 6
... Valve stem, 7 ... Fire hydrant operating section, 10, 61 ...
... Mounting body, 11... Light emitting unit, 14, 65...
...Operation unit of mounting body, 20, 60...Case, 21
...Solar cell, 22...Battery, 23...Light emitting diode, 25,62...Case body, 31...
...Cell case, 50...Brightness detection circuit, 51...
. . . Switch means, 52 . . . Drive circuit, 70 . . . Longitudinal sheet body, 73 . . . Surface emitting sign.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A fire hydrant that is attached to a fire hydrant that has an operating part and a water outlet installed on its body that stands on the ground, and which discharges water from the water outlet by operating the operating part. In a display device for use in a computer, there is a mounting body fixed to the operating section of the fuselage, a solar cell attached to the mounting body via a case, a battery charged by the electromotive force of the solar cell, and a battery charged by the electric power of the battery. A display device for a fire hydrant, comprising: a light source that emits light. (2) The fire hydrant according to claim 1, wherein the mounting body is fixed to cover an operating section of the body and has another operating section coaxial with the operating section. Display device.