KR20210045651A - Power line communication control system using equipment tag ID - Google Patents

Abstract

Disclosed is a power line communication control system using an equipment tag ID. The power line communication control system using the equipment tag ID according to one embodiment of the present invention comprises: a power supply device that converts input power to fit a plurality of different load equipment and outputs thereof; and a communication power generating device that generates communication power by adding a control signal for controlling each of the plurality of load equipment to the power outputted from the power supply device and outputs the generated communication power, wherein an equipment device tag ID for identifying each of the plurality of load equipment may be added to the control signal. Therefore, the present invention has the effect of being capable of enabling precise control and/or operation.

Description

Power line communication control system using equipment tag ID

The present invention relates to a power line communication control system using an equipment tag identifier.

A ship may be equipped with a switchboard for distributing and supplying power to various load equipment. In addition, a control system (IAS, INTEGRATED AUTOMATION SYSTEM) for controlling/manipulating various load equipment can be provided.

A power cable for transmitting power may be provided between the switchboard and the load equipment, and a control cable for transmitting a control signal may be provided between the control device and the load equipment.

The switchboard includes a generator panel, a bus tie panel, a starter, a synchor panel, a GSP, an I/O panel, and the like. Various components, breakers, and protection relays are installed inside the panel. It is connected to each load directly from the switchboard, or cables are connected to various local GSPs and distribution boards.

The control system includes workstations, field stations, and UPS. Workstations are supplied/installed inside the console. The switchboard can be connected/communicated with a hard cable within the input/output panel.

Since there are various types of ship loads connected to switchboards and panels, and there are quite a lot of signals to be transmitted and received, it is difficult to accurately classify and control (or operate). In addition, it is difficult to accurately control (or manipulate) the work of each battlefield function in the shipyard, as it is divided into power, automation, navigation, and lighting.

Korean Patent Registration No. 10-1880986 (Registered on July 17, 2018)-DC switchboard for ships equipped with power management module

The present invention provides a tag identifier (TAG ID) by classifying each equipment/service in the shipyard with respect to the ship load, and by adding and transmitting and receiving this to a control signal through power line communication, accurate control of each ship load and/or It is to provide a power line communication control system using an equipment tag identifier that enables operation.

Objects other than the present invention will be easily understood through the following description.

According to an aspect of the present invention, there is provided a power supply device for converting input power according to a plurality of different load devices and outputting the converted power; And a communication power generation device configured to generate communication power by adding a control signal for controlling each of the plurality of load devices to the power output from the power supply device and output the generated communication power, wherein the control signal There is provided a power line communication control system to which an equipment tag identifier for identifying each of the plurality of load equipment is added.

The power supply device includes: a power input unit receiving basic power; And a power conversion unit configured to convert the basic power according to the plurality of load devices, wherein the communication power generation apparatus includes: a communication power generation unit that adds the control signal to the converted power output from the power conversion unit; And a controller for adding an equipment tag identifier corresponding to the load equipment to which the converted power is to be supplied to the control signal.

The equipment tag identifier may have a data format including a service code for identifying the electric field service, a system code for identifying a system to which the load equipment belongs, and an equipment code for identifying the type of the load equipment. .

In the data format of the device tag identifier, a control signal code for commanding an operation in the load device may be added to the final stage.

The control signal code may be divided into a common signal code related to a common operation generated by the plurality of load equipment and a special signal code related to a special operation separately generated for each of the plurality of load equipment.

Other aspects, features, and advantages other than those described above will become apparent from the following drawings, claims, and detailed description of the invention.

According to an embodiment of the present invention, a tag identifier (TAG ID) is assigned to a ship load by classifying each equipment/service in a shipyard, and transmitting and receiving a tag identifier (TAG ID) by adding it to a control signal through power line communication. There is an effect of enabling precise control and/or manipulation.

1 is a block diagram of a general control system;
2 is a block diagram of a power line communication control system according to an embodiment of the present invention;
3 is a view showing that communication power is supplied to load equipment by a power line communication control system according to an embodiment of the present invention;
4 is a table showing a work code, a system code, and an equipment code among equipment tag identifiers;
5 is a table showing control signal codes.

In the present invention, various modifications may be made and various embodiments may be provided, and specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to a specific embodiment, it should be understood to include all changes, equivalents, or substitutes included in the spirit and scope of the present invention.

The terms used in the present specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present specification, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements, numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance the possibility of being excluded.

In addition, terms such as "... unit", "... unit", "... module", and "... group" described in the specification mean a unit that processes at least one function or operation, which is hardware or software or hardware and software. It can be implemented by a combination of.

1 is a block diagram of a general control system.

Referring to FIG. 1, the control system 10 includes a power supply device 11 and a control device 13.

The power supply device 10 performs a role of converting and outputting the input power according to a plurality of different load devices 20. For example, a power distribution unit (distribution board) may serve as the power supply device 11.

The control system 10 may be provided on a ship. The vessel may be equipped with means for generating power, such as a fuel cell or a generator. The power supply device 11 may receive power generated by the power generation means, convert the input power, and supply the power to the load equipment 20.

The load equipment 20 may represent equipment for maintenance on board. For example, the load equipment 20 is equipment necessary for ship operation, and may be equipment included in a generator system, a switchboard system, a transformer system, a motor system, and the like. In addition, it may include a drainage pump, a fuel supply pump, a blower, an air conditioner, a light, a GPS receiver, a radar device, an automatic ship identification device, a magnetic compass, a radio facility, a ship position transmitter, and the like.

A power line is installed (or installed/connected) between the power supply device 11 and the load equipment 20, so that power may be supplied.

A control line is installed (or installed/connected) between the control device 13 and the load equipment 20, and control signals (START, STOP, RUN, ABNORMAL, etc.) for controlling the load equipment 20 are provided with the control device ( 13) can be transferred to the load equipment (20).

In this case, since power supply and control signal transmission are performed through separate cables, synchronization is not easy and accurate control is difficult if mismatched.

Accordingly, in an embodiment of the present invention, a control signal is added to the power supplied to the load equipment using power line communication. In this case, the ship load is classified by equipment and task in the shipyard to give a tag identifier, and by adding a tag identifier to the control signal to transmit and receive, it is possible to accurately control the communication power.

FIG. 2 is a block diagram of a power line communication control system according to an embodiment of the present invention, and FIG. 3 is a view showing that communication power is supplied to load equipment by another power line communication control system according to an embodiment of the present invention. 4 is a table showing a work code, a system code, and an equipment code among equipment tag identifiers, and FIG. 5 is a table showing a control signal code.

A power line communication control system according to an embodiment of the present invention includes a power supply device 100 and a communication power generation device 200.

The power supply device 100 converts the input power according to a plurality of different load devices 410, 420, and 430, and outputs the converted power.

The communication power generation device 200 generates communication power and outputs the generated communication power. In this embodiment, the communication power may be a control signal to which an equipment tag identifier is added to the power output from the power supply device 100.

The ship may include a plurality of load equipment (410, 420, 430), the communication power generation device 200 is a plurality of load equipment (410, 420, 430) respectively in the power output from the power supply device (100). Communication power may be generated by adding a control signal for controlling the device and an equipment tag identifier for identifying each of the plurality of load devices 410, 420, and 430.

The communication power generation device 200 and the load equipment 410, 420, and 430 may perform power line communication (PLC). The communication power generation apparatus 200 transmits communication power through a power line, and the load equipment 410, 420, and 430 may operate with power and control signals included in the communication power received through the power line. Since the control signal includes an equipment tag identifier, each load equipment 410, 420, 430 performs an operation corresponding to the control signal using the corresponding power only when the control signal corresponds to it.

Referring to FIG. 2, the power supply device 100 includes a power input unit 110, a power conversion unit 121, 122, and 123, and a power supply unit 131, 132, and 133.

The power input unit 110 serves to receive power. The power input unit 110 may receive power from power generation equipment provided on board. Hereinafter, the power received by the power input unit 110 is referred to as basic power.

The power conversion units 121, 122, and 123 convert basic power to suit the plurality of load devices 410, 420, and 430. For example, the power converters 121, 122, and 123 may convert AC power into DC power, convert DC power into AC power, or convert voltage.

A plurality of power conversion units 121, 122, and 123 may be provided. In the drawing, three power conversion units 121, 122, and 123 are shown, but this is only an example, and two or four or more power conversion units may be provided.

The power converters 121, 122, and 123 may convert the input power and output the converted power. The plurality of power converters 121, 122, 123 may convert basic power to output converted power, or convert converted power output from other power converters 121, 122, 123 to output converted power. . Specifically, the basic power input to the power input unit 110 may be converted and output by the first power conversion unit 121. The converted power output from the first power converter 121 may be converted and output by the second power converter 122. The converted power output from the second power conversion unit 122 may be converted and output by the third power conversion unit 123.

Each of the power conversion units 121, 122, 123 outputs different converted power. Each converted power can be supplied to the load equipment suitable for that power.

The power supply units 131, 132, and 133 supply the converted power of the power conversion units 121, 122, and 123 to the communication power generation device 200 or input to other power conversion units 121, 122, 123. The power supply units 131, 132, and 133 may be provided for each power conversion unit 121, 122, and 123.

The first power supply unit 131 may supply basic power to the first power conversion unit 121. In addition, the first power supply unit 131 may supply basic power or converted power output from the first power conversion unit 121 to the communication power generation apparatus 200. The second power supply unit 132 may supply the converted power output from the first power conversion unit 121 to the second power conversion unit 122. In addition, the second power supply unit 132 may supply the converted power output from the first power conversion unit 121 or the converted power output from the second power conversion unit 122 to the communication power generation apparatus 200. The third power supply unit 133 may supply the converted power output from the second power conversion unit 122 to the third power conversion unit 123. In addition, the third power supply unit 133 may supply the converted power output from the second power conversion unit 122 or the converted power output from the third power conversion unit 123 to the communication power generation apparatus 200.

The communication power generation apparatus 200 may include a plurality of communication power generation units 211, 212, and 213. Each of the communication power generation units 211, 212, 213 may receive converted power from the power supply units 131, 132, and 133 of the power supply device 100. The communication power generation units 211, 212 and 213 may perform power line communication with the load equipment 410, 420, and 430. That is, the communication power generation units 211, 212, 213 may transmit communication power including power and control signals (equipment tag identifiers are added) to the load equipment through the power line.

The control unit 220 controls the communication power generation device 200. In addition, the control unit 220 may control the power supply device 100. The control unit 220 may control the communication power generation apparatus 200 to add a control signal to the converted power of the power conversion unit selected from among the plurality of power conversion units. For example, the control unit 220 may allow a control signal to be added to the converted power of the first power conversion unit 121. To this end, the control unit 220 may control the first power supply unit 131 to input basic power to the first power conversion unit 121. The first power converter 121 may convert the input basic power and output the converted power. The first power supply unit 131 may supply the converted power of the first power conversion unit 121 to the first communication power generation unit 211. The first communication power generation unit 211 may add a control signal to which an equipment tag identifier is added to the converted power supplied from the first power conversion unit 121 under the control of the control unit 220.

An equipment tag identifier for identifying the first load equipment 410 may be added to the control signal.

The device tag identifier may have the following data format.

X01-001_XXXX

Here, the first X is the business code, the next two-digit number (01) is the system code, the three-digit number (001) separated by'-' is the equipment code, and a four-digit number added after'_' (XXXXX) May be a control signal code.

Referring to FIG. 4, the equipment tag identifier may include a task code classified for each electric field task in the shipyard for load equipment 410, 420, and 430.

For example, the work code might look like this:

Power: P, Automation: A, Hang Tong: N, Lighting: L

The device tag identifier may further include a system code according to a system to which the load devices 410, 420, and 430 belong. For example, in the case of a generator system of power P, P01 may be commonly applied as a system code, such as P01-001_XXXX, P01-011_XXXX, P01-021_XXXX, and the like.

In addition, the equipment tag identifier may further include an equipment code according to the detailed type of the load equipment (410, 420, 430). In the case of detailed equipment belonging to the generator system, it is subdivided, and codes that are distinguished within the same system, such as 001, 011, 021, etc., can be assigned in the equipment tag identifiers such as P01-001_XXXX, P01-011_XXXX, P01-021_XXXX, etc.

Referring to FIG. 5, the device tag identifier may include a control signal code for commanding an operation of the load devices 410, 420, and 430 at the final stage thereof.

The control signal code may be divided into a common signal code related to a common operation generated in the load equipment 410, 420, and 430 and a special signal code related to a special operation generated separately for each of the load equipment 410, 420, and 430.

Common signal codes may include START (0001), STOP (0002), RUN (0003), and ABNORMAL (0004). Special signal codes may include POWER ANALOG (1001) and SPEED SET (1011).

In addition, various control signal codes are illustrated in FIG. 5.

The load equipment 410, 420, 430 extracts the equipment tag identifier from the control signal included in the communication power generated by the communication power generation device 200 to find the communication power suitable for itself, so that power delivery and power control are better. It can be done accurately and quickly.

Referring to FIG. 3, the power line communication control system may supply communication power to a plurality of load devices 410, 420, and 430.

Assuming the case of supplying communication power to the first load device 410 is as follows.

The basic power BP input through the power input unit 110 may be delivered to the first power supply unit 131. The first power supply unit 131 may input basic power BP to the first power conversion unit 121. The first power converter 121 may convert the input basic power BP and output the first converted power TP1. For example, when the basic power BP of 6600V AC is input, the first power converter 121 may convert the basic power BP into the first converted power TP1 of 440V AC and output it. The first power supply unit 131 may supply the first converted power TP1 of the first power conversion unit 121 to the first communication power generation unit 211 of the communication power generation apparatus 200.

The first communication power generation unit 211 adds a control signal to which an equipment tag identifier for the first load equipment 410 is added to the first converted power TP1 supplied from the first power conversion unit 121 to provide a 1 Communication power (CP1) can be generated. The first communication power CP1 may be delivered to the first load equipment 410 through the power line 510.

Assuming the case of supplying communication power to the second load device 420 is as follows.

The first power supply unit 131 may input the first converted power TP1 to the second power supply unit 132. The second power supply unit 132 may input the first converted power TP1 to the second power conversion unit 122. The second power conversion unit 122 may convert the input first converted power TP1 and output the second converted power TP2. For example, when the first converted power TP1 of AC 440V is input, the second power conversion unit 122 converts the first converted power TP1 to the second converted power TP2 of 220V AC and outputs the converted power. I can. The second power supply unit 132 may supply the second converted power TP2 of the second power conversion unit 122 to the second communication power generation unit 212 of the communication power generation apparatus 200.

The second communication power generation unit 212 adds a control signal to which an equipment tag identifier for the second load equipment 420 is added to the second converted power TP2 supplied from the second power conversion unit 122 to provide a 2 Communication power (CP2) can be generated. The second communication power CP2 may be delivered to the second load equipment 420 through the power line 520.

Assuming the case of supplying communication power to the third load device 430 is as follows.

The second power supply unit 132 may input the second converted power TP2 to the third power supply unit 133. The third power supply unit 133 may input the second converted power TP2 to the third power conversion unit 123. The third power conversion unit 123 may convert the input second converted power TP2 and output the third converted power TP3. For example, when the second converted power TP2 of AC 220V is input, the third power conversion unit 123 converts the second converted power TP2 to the third converted power TP3 of 220V DC and outputs it. I can. The third power supply unit 133 may supply the third converted power TP3 of the third power conversion unit 123 to the third communication power generation unit 213 of the communication power generation apparatus 200.

The third communication power generation unit 213 adds a control signal to which an equipment tag identifier for the third load equipment 430 is added to the third converted power TP3 supplied from the third power conversion unit 123 to provide a 3 Communication power (CP3) can be generated. The third communication power CP3 may be delivered to the third load equipment 430 through the power line 530.

In addition, it is shown that the basic power BP input to the first power supply unit 131 is converted by the first power conversion unit 121 and supplied to the first communication power conversion unit 121, 122, 123. , The basic power BP input to the first power supply unit 131 may be supplied to the first communication power generation unit 211 as it is without power conversion. In this case, the first communication power generation unit 211 may generate the first communication power CP1 by adding a control signal to the basic power BP.

In addition, the first power supply unit 131 may input basic power BP to the second power supply unit 132. In this case, the second power supply unit 132 may supply the input basic power BP to the second communication power generation unit 212 or input to the second power conversion unit 122.

In addition, the third power supply unit 133 supplies the power input from the second power supply unit 132 as it is to the third communication power generation unit 213 or converts it by the third power conversion unit 123 3 It can also be supplied to the communication power generation unit 213.

As described above, the power line communication control system according to the exemplary embodiment of the present invention may generate various converted power, and supply the converted power to an accurate load device by adding a control signal to which an equipment tag identifier is added to be accurately manipulated. Accordingly, each power can be classified by equipment and task by the power line communication control system and controlled to be operated under an accurate ship load.

Since the communication between the power line communication control system and the load equipment (410, 420, 430) is carried out through the power lines (510, 520, 530), a line for transmitting power and a line for transmitting control signals are not separately installed. It is possible to transmit and receive power and control signals through the lines of. Therefore, by deleting the control ship, there is an advantage in that field work is reduced, ship prices can be decreased, and the ship construction period is shortened.

Although the above has been described with reference to the embodiments of the present invention, those of ordinary skill in the relevant technical field variously modify the present invention within the scope not departing from the spirit and scope of the present invention described in the following claims. And it will be appreciated that it can be changed.

10: control system 11: power supply
13: control device 20: load equipment
100: power supply 110: power input
121, 122, 123: power conversion unit 131, 132, 133: power supply unit
200: communication power generation device 211, 212, 213: communication power generation unit
220: control unit 410, 420, 430: load equipment
510, 520, 530: power line

Claims (5)

A power supply device converting the input power according to a plurality of different load equipment and outputting the converted power; And
Including a communication power generation device for generating communication power by adding a control signal for controlling each of the plurality of load equipment to the power output from the power supply device, and outputting the generated communication power,
A power line communication control system to which an equipment tag identifier for identifying each of the plurality of load equipment is added to the control signal. The method of claim 1,
The power supply device may include a power input unit receiving basic power; And a power conversion unit for converting the basic power according to the plurality of load equipment,
The communication power generation apparatus includes: a communication power generation unit that adds the control signal to the converted power output from the power conversion unit; And a control unit for adding an equipment tag identifier corresponding to the load equipment to which the converted power is to be supplied to the control signal. The method according to claim 1 or 2,
The equipment tag identifier is a power line communication having a data format including a service code for identifying the electric field service, a system code for identifying a system to which the load equipment belongs, and an equipment code for identifying the type of the load equipment Control system. The method of claim 3,
A power line communication control system in which a control signal code for instructing an operation in the load device is added to the data format of the equipment tag identifier. The method of claim 4,
The control signal code is divided into a common signal code related to a common operation generated by the plurality of load equipment and a special signal code related to a special operation separately generated for each of the plurality of load equipment.

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