JP6845902B2 - Ship speed measuring device - Google Patents

Description

The present invention is a technique devised so that a transducer, which is a device for measuring speed by penetrating the bottom of a ship, can be easily attached and detached.

In general, a navigation device guarantees safe navigation and ensures convenience by measuring and collecting various data necessary for the navigation of a ship and transmitting it to the navigator audibly and visually. It is for providing. Such navigation equipment includes a navigation data recording device that records the navigation data of all the equipment installed on the ship, an Apparatus for measuring velocity of vessel, and a navigation route and a nautical chart. There is an electronic chart that informs the status.

Of these, as a method of measuring the speed of a ship, a transducer mounted on the ship emits ultrasonic waves toward the seabed by a radar method, analyzes using the reception frequency obtained from the seabed, and measures the speed of the ship. Follow the detection method.

In fact, in ship speed measurement, when the detection signal from the transducer is input to the computer via an electronic circuit, the computer considers the navigation speed of the ship's operating environment (wind direction, wind speed), and the final ship speed. Is output.

By the way, the conventional ship speed measuring device has a problem that maintenance such as inspection, repair, and replacement of a transducer, which is a speed measuring device, is difficult during a voyage.

In this regard, Republic of Korea Patent Publication No. 10-2011-0043900 uses a valve to separate the transducer to isolate seawater from entering the ship.

Conventional inventions are time consuming and difficult as it requires the transducer to be maintained after the vessel has been moored on land and the valves to be assembled by several workers during the voyage to install and remove the transducer. There was a problem.

Republic of Korea Published Patent Gazette No. 10-2011-0043900

Therefore, an object of the present invention is to solve the problems of the prior art. Specifically, an object of the present invention is to allow the transducer to be separated so that the shutoff door can be closed and the transducer can be easily separated without a separate valve.

It is also to provide a lever that allows the transducer to be easily separated without the need to assemble a valve as in the prior invention.

According to an embodiment of the present invention for solving the above-mentioned problems, the present invention is a ship speed measuring device for measuring the speed of a ship, which is fixed to the hull and has a first space inside. A lower housing including through holes on the first upper surface and the first lower surface, a transducer installed so that one end protrudes from the hull through the through holes of the lower housing, and the transducer penetrates therethrough. A flange portion including a watertight cover having a through hole, a flange formed protruding from the watertight cover and screw-bonded to the upper surface of the lower housing, and a coupling groove recessed on the outside of the watertight cover. An upper housing having through holes through which the transducer penetrates on the second upper surface and the second lower surface and having a second space for accommodating the watertight cover, and rotatably attached to the lower surface of the flange. A ship speed measuring device including a blocking door that blocks a through hole on an upper surface from which the transducer is separated via a spring flange.

Preferably, it further comprises a pair of levers that are hinged to both sides of the upper housing and one end of which is contacted and separated from the coupling groove.

Further, preferably, the lever is formed with a hinge portion hinged to the upper housing, a handle portion extended at one end of the hinge portion, and an extension formed at the other end of the hinge portion to form a coupling groove. It is characterized by including a fixed protrusion that is contacted and separated.

According to the solution to the above-mentioned problems, in the present invention, when the transducer is separated, the shutoff door is closed without another valve, so that the transducer can be easily separated and seawater enters the inside of the hull. There is an effect that the transducer can be maintained even if the ship is not moored on land.

Further, since a lever is used instead of the valve and the transducer installed on the bottom of the ship can be easily taken out by separating the upper housing, there is an effect that the maintenance of the transducer can be easily performed.

It is an exploded perspective view of the ship speed measuring apparatus which concerns on one Embodiment of this invention. It is a mounting figure which attached the ship speed measuring apparatus which concerns on one Embodiment of this invention to a hull. It is a change diagram of FIG. 2 which separated the ship speed measuring apparatus which concerns on one Embodiment of this invention from a hull. It is an enlarged view of the shutoff door of the ship speed measuring apparatus which concerns on one Embodiment of this invention. It is an enlarged view of the upper housing of the ship speed measuring apparatus which concerns on one Embodiment of this invention.

Hereinafter, the ship speed measuring device according to the present invention will be described in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a ship speed measuring device according to a preferred embodiment of the present invention, FIG. 2 is a mounting view of a ship speed measuring device according to an embodiment of the present invention mounted on a hull, and FIG. 3 is a mounting view. It is a change diagram of FIG. 2 which separated the ship speed measuring apparatus which concerns on one Embodiment of this invention into a hull.

As shown in FIG. 1, the ship speed measuring device 1000 includes a lower housing 100, a transducer 200, a flange portion, an upper housing 400, a blocking door 500, and a lever 600.

First, the lower housing 100 is installed on the bottom surface of the hull, a first space portion 120 which is a storage space is formed inside, and the first upper surface 110a and the first lower surface 110b include through holes 130. The transducer 200 is installed so that one end protrudes from the hull through the through hole 130 of the lower housing 100, and serves to measure the speed of the ship.

A data transfer cable 210 for transferring data is connected to the upper part of the transducer 200.

A flange portion for connecting to the upper housing 400, which will be described later, is formed on the upper surface of the lower housing 100. The flange portion includes a watertight cover 310 having a through hole 130 through which the transducer 200 penetrates, a flange 300 that is formed so as to project from the watertight cover 310 and is screwed to the first upper surface 110a, and the watertight cover 310. It includes a coupling groove 320 formed by being depressed on the outside.

Here, the first upper surface 110a and the flange 300 include a plurality of grooves for screwing at positions corresponding to each other.

Further, in order to strengthen the connection between the first upper surface 110a and the flange 300 that are screwed together by bolts or the like, a packing material 140 is inserted between the first upper surface 110a and the flange 300. In the packing material 140, rubber packing or the like can be used, and it is preferable to install at least one or more.

The upper portion of the flange 300 connects the watertight cover 310 inserted into the upper housing 400, and the watertight cover 310 includes a coupling groove 320 for contacting and separating from the lever 600 coupled to the upper housing 400. I'm out.

Next, the upper housing 400 has a through hole through which the transducer 200 penetrates in the second upper surface 410a and the second lower surface 410b, includes a second space portion for accommodating the watertight cover 310, and the data transfer. It includes a fastening portion 420 for fixing the cable 210.

A packing material is inserted in the second space portion, so that damage to the transducer 200 can be prevented.

Further, on both sides of the upper housing 400, a pair of levers 600 hinged to each other are included, and a space in which the levers 600 can rotate is formed.

The through hole 130 of the second upper surface 410a is penetrated by the data transfer cable at the upper part of the transducer 200, and there is a gasket 430 and a fastening portion 420 between the through hole 130 and the data transfer cable 210. The transfer cable 210 can be fixed, and foreign matter and water can be prevented from flowing in.

As shown in FIGS. 2 to 3, when the transducer 200 is mounted on the bottom of the ship, the blocking door 500 is in an open state, the lever 600 comes into contact with the coupling groove 320, and the transducer 200 is mounted. ..

Conversely, when the lever 600 is separated from the coupling groove 320, the upper housing 400 is separated from the flange portion, the transducer can be taken out, the transducer 200 is separated, and at the same time, the blocking door 500 is closed and penetrated. It closes the hole 130 and blocks seawater from entering the hull.

FIG. 4 is an enlarged view of a shutoff door of the ship speed measuring device according to the embodiment of the present invention. As shown in FIG. 4, a blocking door 500 is rotatably installed on the lower surface of the flange 300 by using a spring hinge 510.

The blocking door 500 is arranged in a state where the through hole 130 of the first upper surface 110a is open when the transducer 200 is mounted.

After that, the operator separates the transducer 200 from the lower housing 100 for maintenance, and the blocking door 500 blocks the through hole 130 of the first upper surface 110a by the elastic force of the spring hinge 510. become.

At the same time that the transducer 200 is separated from the lower housing 100, seawater flows in through the through hole 130 of the first lower surface 110b, and the blocking door 500 passes through the through hole 130 of the first lower surface 110b. By shutting off, seawater is prevented from entering the inside, and seawater does not flow into the ship. Further, the higher the pressure of the external seawater, the more the blocking door 500 is brought into close contact with the flange, and the blocking door 500 can be closed more firmly.

Further, when mounting the transducer 200, when the open button 520 protruding inside the blocking door is pressed while inserting the transducer 200, the blocking door 500 is opened without applying force, and the transducer 200 is opened. Can be installed.

In this way, even if the transducer 200 is separated from the lower surface of the hull, the blocking door blocks seawater from entering the hull. Therefore, during the voyage, maintenance work such as periodic inspection, repair, and replacement of the transducer 200 is performed. Can be done easily.

FIG. 5 is an enlarged view of the upper housing of the ship speed measuring device according to the embodiment of the present invention. As shown in FIG. 5, a pair of levers 600 are hinged to both sides of the upper housing 400.

The lever 600 includes a hinge portion 610 hinged to the upper housing 400, a handle portion 620 extended to one end of the hinge portion, and an extension formed to the other end of the hinge portion 320. Includes a fixed protrusion 630 to be contacted and separated.

The hinge portion 610 of the lever is formed with a fixing hole 650 through which the fixing pin 640 for fixing the lever penetrates, and the lever 600 rotates about the fixing pin 640.

The fixing protrusion 630 is arranged so as to come into contact with the connecting groove 320, and when the lever is pulled, the fixing protrusion 630 is separated from the connecting groove 320, and the upper housing 400 and the watertight cover 310 can be removed. is there.

Latch-type coupling protrusions 660 are provided on both side surfaces of the handle portion 620 of the lever. The hinge portion 610 of the lever is provided with a latch insertion groove 670 into which a latch type coupling projection 660 can be inserted.

When the lever 600 comes into contact with the watertight cover 310, the latch type coupling protrusion 660 is inserted into the latch insertion groove 670 and fastened, but at this time, the handle portion 620 of the lever is fixed and cannot move.

Further, when the handle portion 620 of the lever is pulled to separate the fixing protrusion 630 from the watertight cover 310, the latch type coupling protrusion 660 fixes the handle portion 620 of the pop-out lever so as not to move.

Therefore, the upper housing 400 and the watertight cover 310 can be firmly contacted and separated. As described above, when the lever 600 is used, the upper housing 400 can be easily separated and the transducer can be maintained without the need for the operator to assemble with bolts, and the time and cost can be reduced.

As described above, the present invention has been described with reference to the examples shown in the drawings, but this is only for explaining the invention, and a person having ordinary knowledge in the technical field to which the present invention belongs. If so, it can be understood from the detailed description of the invention that various modifications and even examples are possible. Therefore, the true scope of rights of the present invention should be determined by the technical idea of the scope of claims.

1000 Ship speed measuring device 100 Lower housing 110a 1st upper surface 110b 1st lower surface 120 1st space 130 Through hole 140 Packing material 200 Hinge 300 Flange 310 Watertight cover 320 Coupling groove 400 Upper housing 410a 2nd upper surface 410b 2nd Lower surface 420 Fastening part 430 Gasket 500 Blocking door 510 Spring hinge 520 Open button 600 Lever 610 Hinge part 620 Lever handle part 630 Fixing protrusion 640 Fixing pin 650 Fixing hole 660 Latch type coupling protrusion 670 Latch insertion groove

Claims (2)

A ship speed measuring device for measuring the speed of a ship.
A lower housing that is fixed to the hull, forms a first space inside, and includes through holes on the first upper surface and the first lower surface.
A transducer installed so that one end protrudes into the hull through a through hole in the lower housing.
A watertight cover having a through hole through which the transducer penetrates, a flange formed protruding from the watertight cover and screwed to the first upper surface of the lower housing, and a coupling groove recessed on the outside of the watertight cover. , Including the flange part,
An upper housing having through holes through which the transducer penetrates on the second upper surface and the second lower surface and having a second space for accommodating the watertight cover.
A blocking door rotatably attached to the lower surface of the flange and blocking a through hole on the first upper surface from which the transducer is separated via a spring hinge .
It further comprises a pair of levers that are hinged to both sides of the upper housing and one end of which is contacted and separated from the coupling groove.
The lever is formed to be extended at the hinge portion hinged to the upper housing, the handle portion extended at one end of the hinge portion, and the other end of the hinge portion, and is brought into contact with and separated from the coupling groove. Including fixing protrusions
Both side surfaces of the handle portion are provided with latch-type coupling projections, and the hinge portion is provided with a latch insertion groove into which the latch-type coupling projection can be inserted when the fixing projection comes into contact with the coupling groove. A ship speed measuring device, characterized in that, when the protrusion is separated from the coupling groove, the latch-type coupling protrusion protrudes outside the hinge portion and is fixed so that the handle portion does not move. The blocking door has an open button that is projected and pushed by the transducer. By pressing the open button while inserting the transducer, the blocking door is opened, and at the same time the transducer is separated, the blocking door is separated. The ship speed measuring device according to claim 1, wherein the ship is closed.

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