KR20180108075A - Monitoring system and the ship comprising the same - Google Patents

Abstract

Provided is a monitoring system and a ship having the same. In the monitoring system installed in equipment in the ship, the monitoring system comprises: a first pedestal installed under the equipment; a first frequency change pad provided below the first pedestal; a piezoelectric pad provided under the first frequency change pad and generating an AC voltage; a converter for converting the AC voltage generated in the piezoelectric pad to generate a DC voltage; a sensor for sensing a state of the equipment; and a wireless communication transceiver for receiving the DC voltage from the converter and receiving a sensing result from the sensor to generate a wireless signal.

Description

Monitoring system and ship containing the same -

The present invention relates to a monitoring system and a ship including the same.

There are many kinds of equipment such as various controllers, measuring instruments, electric motors, and pumps in the ship. However, the ship does not monitor all the equipment, but only the main equipment is monitored by wire, and the other equipment is replaced or maintained only when the patrol of the worker or the trouble occurs and the failure occurs. It also incurs inconveniences caused by equipment failure until the equipment is replaced.

However, ships often spend most of their time away from the land, so that they can not easily receive support from the outside due to the non-operation of such equipment, and often have to solve themselves. In this case, there is a possibility that serious malfunctions such as fire or sinking due to malfunction of the equipment from the rough outside environment on the sea may result.

Therefore, it is essential to monitor and control equipment in advance to prevent this. However, because of the large number of equipments, it takes a lot of time and money for people to know the state of each equipment, so only a few important equipments are managed. However, this can also bypass the faulty equipment and reduce its accuracy.

In particular, major equipment needs continuous vibration monitoring. However, continuous vibration monitoring requires continuous power supply, which has limited power supply within the ship.

Korean Registered Publication No. 10-1236747 (February 25, 2013)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a monitoring system capable of continuously generating power by using a piezoelectric pad and performing continuous monitoring operation.

Another object of the present invention is to provide a ship including the monitoring system.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a monitoring system installed in a vessel, the monitoring system comprising: a first pedestal installed under the apparatus; A first frequency-change pad provided below the first pedestal; A piezoelectric pad provided under the first frequency-change pad and generating an AC voltage; A converter for converting an AC voltage generated in the piezoelectric pad to generate a DC voltage; A sensor for sensing the state of the equipment; And a wireless communication transceiver receiving the DC voltage from the converter and receiving a sensing result from the sensor to generate a wireless signal.

The first frequency-change pad includes a rubber pad.

A second pedestal provided below the piezoelectric pad, and an elastic device provided between the second pedestal and the bottom.

And a second frequency change pad provided between the piezoelectric pad and the second pedestal.

According to another aspect of the present invention, there is provided a monitoring system comprising: a monitoring system installed in a machine room; And a communication system installed in the machine room and receiving a wireless signal from the monitoring system and transmitting a wired signal through a signal line connected to the outside of the machine room.

The machine room includes a metal wall.

The details of other embodiments are included in the detailed description and drawings.

1 is a conceptual diagram for explaining a machine room installed in a vessel according to some embodiments of the present invention.
2 is a conceptual diagram for explaining the monitoring system shown in FIG.
3 is a conceptual diagram for explaining a monitoring system according to an embodiment of the present invention.
4 is a conceptual diagram for explaining a monitoring system according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

It is to be understood that when an element or layer is referred to as being "on" or " on "of another element or layer, All included. On the other hand, a device being referred to as "directly on" or "directly above " indicates that no other device or layer is interposed in between.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" May be used to readily describe a device or a relationship of components to other devices or components. Spatially relative terms should be understood to include, in addition to the orientation shown in the drawings, terms that include different orientations of the device during use or operation. For example, when inverting an element shown in the figures, an element described as "below" or "beneath" of another element may be placed "above" another element. Thus, the exemplary term "below" can include both downward and upward directions. The elements can also be oriented in different directions, so that spatially relative terms can be interpreted according to orientation.

Although the first, second, etc. are used to describe various elements, components and / or sections, it is needless to say that these elements, components and / or sections are not limited by these terms. These terms are only used to distinguish one element, element or section from another element, element or section. Therefore, it goes without saying that the first element, the first element or the first section mentioned below may be the second element, the second element or the second section within the technical spirit of the present invention.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is noted that the terms "comprises" and / or "comprising" used in the specification are intended to be inclusive in a manner similar to the components, steps, operations, and / Or additions.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. A description thereof will be omitted.

1 is a conceptual diagram for explaining a machine room installed in a vessel according to some embodiments of the present invention. 2 is a conceptual diagram for explaining the monitoring system shown in FIG.

Referring to FIGS. 1 and 2, in a ship according to some embodiments of the present invention, at least one equipment 100a, 101a, 102a is installed in a machine room 300. For example, equipment 100a, 101a, 102a may be, but is not limited to, an electric motor, a pump, a controller, a meter, and the like.

The equipment 100a, 101a, 102a may be welded to the floor and fixed, or a spring may be installed between the bottom of the equipment and the floor. Since the vessel is constantly moving during operation, the equipment 100a, 101a, 102a can also be shaken. Also, during operation of the equipment 100a, 101a, 102a, the equipment 100a, 101a, 102a may be continuously shaken.

At least one monitoring system 100, 101, 102 is installed in each of the devices 100a, 101a, 102a.

2, the monitoring system (e.g., 100) may include a sensor 109, a pedestal 120, a frequency change pad 130, a piezoelectric pad 140, and the like.

The sensor 109 can sense the state of the equipment 100a. For example, the sensor 109 may sense the vibration of the equipment 100a. For example, it may be an acceleration sensor, but is not limited thereto. The sensor 109 may be installed, for example, near a shaft bearing.

The frequency-changing pad 130 makes the natural frequencies of the upper structure (i.e., equipment) and the lower structure (i.e., the bottom of the ship) different. As a result, the consulting structure and the lower structure can perform different motions. Accordingly, the compressive force and the tensile force can be continuously transmitted to the piezoelectric pad 140 when the device 100a is operated. The piezoelectric pad 140 to which the force is applied can generate power. The generated power is supplied to the sensor 109, and the sensor 109 can continuously sense the state of the equipment 100a.

In particular, the piezoelectric pad 140 is not provided on a certain surface (area, wall) of the vessel, but is installed on the equipment 100a.

Vibration Noise Studies of Ships According to the study, waves and wind external forces are hardly transmitted to the hull. Therefore, if the piezoelectric pad 140 is provided on a certain surface of the ship, little force is applied to the piezoelectric pad 140. Therefore, the piezoelectric pad 140 can not supply power stably.

In addition, the ship may be excited by the engine propulsion force and the propeller fluctuation pressure. However, the vibration energy due to this excitation is not constant depending on the distance and the structure. The transmitted vibration energy can be sharply reduced depending on the distance / structure. Therefore, if the piezoelectric pad is located far away from the engine or the propeller, the piezoelectric pad can not supply power stably.

Therefore, in the monitoring system according to some embodiments of the present invention, since the piezoelectric pad 140 is installed in the equipment 100a, the piezoelectric pad 140 can supply power stably with the operation of the equipment 100a have.

Referring again to FIG. 1, the machine room 300 may be surrounded by a metal wall. A variety of metal walls can be used, for example, steel, stainless steel, aluminum, copper, and the like. However, such a metal wall can block the radio signal W1. That is, when the radio signal W1 is transmitted within the machine room 300, the radio signal may be blocked by the metal wall or the strength may be lowered. Therefore, outside the machine room 300, it is difficult to receive the radio signal W1 transmitted from inside the machine room 300. [

Thus, in a vessel according to some embodiments of the present invention, only within the machine room 300, the monitoring system 100 and the communication system 200 exchange the wireless signal W1. The inside of the machine room 300 and the outside of the machine room 300 exchange the wire signal W2. That is, the sensor 109 transmits the sensing result to the communication system 200 in the form of the wireless signal W1, and the communication system 200 can transmit the sensing result to the outside in the form of the wire signal W2.

Hereinafter, with reference to Figs. 3 and 4, a specific embodiment of the monitoring system 100 will be described.

3 is a conceptual diagram for explaining a monitoring system according to an embodiment of the present invention.

3, the monitoring system 100 includes a first pedestal 120, a first frequency-change pad 130, a piezoelectric pad 140, a second frequency-change pad 150, a second pedestal 160, An elastic device 170, a converter 180, a sensor 109, a wireless communication transceiver 199, and the like.

The first pedestal 120 is installed under the equipment to support the equipment.

The first frequency-change pad 130 is installed under the first pedestal 120. Make the natural frequencies of the upper structure (ie, equipment) and the lower structure (ie, the bottom of the ship) different. As a result, the upper structure and the lower structure can perform different motions.

The piezoelectric pad 140 is disposed under the first frequency-change pad 130 to generate an AC voltage.

The second frequency-change pad 150 is disposed between the piezoelectric pad 140 and the second pedestal 160. The second frequency-change pad 150 may not be provided depending on the design.

The second pedestal 160 is installed below the piezoelectric pad.

The elastic device 170 is installed between the second pedestal 160 and the bottom. As shown, the resilient device 170 may be a spring, but is not limited thereto. For example, a sponge having elasticity can be used. The elastic device 170 serves as a buffer so that the movement of the ship is not directly transmitted to the equipment. On the other hand, it prevents the movement of the equipment from being transmitted directly to the equipment.

The first frequency-change pad 130 and the second frequency-change pad 150 may be rubber pads, but are not limited thereto.

The converter 180 converts the AC voltage generated in the piezoelectric pad to generate a DC voltage.

The converter 180 may include, for example, a resistor 181, a diode 182, a capacitor 183, a battery 190, and the like. The AC voltage generated by the piezoelectric pad 140 is rectified through the diode 182, which is converted into a DC voltage at the capacitor 183. The DC voltage is stored in the battery 190, which is transmitted to the wireless communication transceiver 199.

The sensor 109 is installed in the equipment to sense the state of the equipment. For example, the sensor 109 may sense vibration of the equipment. For example, an acceleration sensor.

The wireless communication transceiver 199 is supplied with the DC voltage from the converter 180 and is able to generate the wireless signal W1 by receiving the sensing result from the sensor 109. [ The wireless communication transceiver 199 may be, for example, Bluetooth, but is not limited thereto.

4 is a conceptual diagram for explaining a monitoring system according to another embodiment of the present invention. For the convenience of explanation, substantially the same contents as those described with reference to Figs. 1 to 3 will be omitted.

4, in contrast to the monitoring system according to the embodiment of the present invention, the piezoelectric device 140 is installed directly on the floor without the elastic device 170. Continuous movement / shaking of the equipment is transmitted to the piezoelectric pad 140, so that the piezoelectric pad 140 can generate an AC voltage.

Although not shown, a second frequency-change pad 150 may be provided between the bottom and the piezoelectric pad 140.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100a, 101a, 102a: Equipment
100, 101, 102: Monitoring system
109: Sensor
120: First stand
130: first frequency change pad
140: piezoelectric pad
150: second frequency change pad
160: Second pedestal
170: elastic device
180: Converter
199: wireless communication transceiver
300: Machine room

Claims (6)

In a monitoring system installed in a vessel,
A first pedestal provided under the equipment;
A first frequency-change pad provided below the first pedestal;
A piezoelectric pad provided under the first frequency-change pad and generating an AC voltage;
A converter for converting an AC voltage generated in the piezoelectric pad to generate a DC voltage;
A sensor for sensing the state of the equipment; And
And a wireless communication transceiver for receiving a DC voltage from the converter and receiving a sensing result from the sensor to generate a wireless signal. The method according to claim 1,
Wherein the first frequency-change pad comprises a rubber pad. The method according to claim 1,
A second pedestal provided below the piezoelectric pad,
And a resilient device installed between the second pedestal and the floor. The method of claim 3,
And a second frequency change pad disposed between the piezoelectric pad and the second pedestal. A monitoring system according to any one of claims 1 to 4, installed in a machine room; And
And a communication system installed in the machine room and receiving a wireless signal from the monitoring system and transmitting a wired signal through a signal line connected to the outside of the machine room. 6. The method of claim 5,
Wherein the machine room comprises a metal wall.

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