KR102494607B1 - System for ship power management with reflecting refrigerated container status information and method thereof - Google Patents

Abstract

A ship power management system and method reflecting refrigerated container state information according to the present invention are for predicting changes in the ship's power load according to the state of the refrigerated container of the container ship and operating the ship's power system in a stable and economical manner. More specifically, the ship power management system reflecting the refrigerated container state information according to the present invention is shipped on a container ship, a plurality of refrigerated containers equipped with a refrigerant compressor, a generator for supplying power to the refrigerated container, and collection of state information of the refrigerated container and a power management server for controlling power use of each refrigerated container.

Description

Ship power management system and method reflecting refrigerated container status information {System for ship power management with reflecting refrigerated container status information and method thereof}

The present invention relates to a ship power management system and method reflecting refrigerated container state information, and more particularly, to predict stable and economical ship power system operation by predicting changes in the ship's power load according to the state of a refrigerated container of a container ship It relates to a ship power management system and method reflecting refrigerated container state information for

Container ships are loaded with containers of various specifications and moved. In such containers, various types of exported or imported cargoes may be stored and transported therein.

Among them, when the cargo in the container is an item that needs to be refrigerated or frozen, a refrigerated container equipped with a separate refrigeration and refrigerating device that can be cooled, such as individual refrigeration and freezing, is used. Since a constant temperature must be continuously maintained, there is a problem in that a container ship that supplies power through its own generator increases operating costs because a lot of power is consumed.

In addition, when a refrigerated container shipped to a container ship is exposed to a high-temperature environment, fluctuations in the power load of the ship become frequent due to intermittent operation of the refrigerant compressor (refrigeration and refrigeration equipment). This has a problem that adversely affects the stability of the ship's power system and can cause dangerous situations such as black-out.

Republic of Korea Patent No. 10-1571770 (2015.11.19.)

An object of the present invention is to collect state information of each refrigerated container and automatically control the power consumption of each refrigerated container, thereby enabling a stable operation of the power system of a container ship. A ship power management system reflecting refrigerated container state information and to provide that way.

In addition, the refrigerant compressor provided in the refrigerant container enables sequential operation to provide a ship power management system and method reflecting refrigerated container state information capable of controlling a rapid increase in power load due to simultaneous operation.

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

In order to achieve the above object, a ship power management system reflecting refrigerated container state information according to the present invention is shipped on a container ship, a plurality of refrigerated containers having a refrigerant compressor, a generator for supplying power to the refrigerated container, and the refrigeration It includes a power management server that collects state information of containers and controls power use of each refrigerated container.

In addition, the power management server sets a data receiving unit for receiving the internal temperature of the refrigerating container, the operating state and power amount of the refrigerant compressor, the operation request of the refrigerant compressor, and the power amount of the generator, and the allowable power consumption of the generator A power usage setting unit that receives a refrigerant compressor operation request from the refrigerating container, a refrigerant compressor manager that calculates an estimated power consumption and determines an operation priority of the refrigerant compressor, and a refrigerant compressor manager according to the priority determined by the refrigerant compressor manager and a data transmitter for transmitting operation acceptance (approval) data to the refrigerant compressor.

In addition, the refrigerant compressor management unit is configured to preferentially operate the refrigerant compressor of the refrigerant container deviating from a preset reference temperature value to a larger value by reflecting the internal temperature of each refrigerant container received through the data receiver. do.

In addition, at least two generators are provided, and the power management server cannot maintain the internal temperature of the refrigerant container despite the sequential operation of each refrigerant container refrigerant compressor according to the operation priority of the refrigerant compressor of the refrigerant compressor management unit In the case of doing so, it is characterized in that an idle generator is operated to secure an acceptable amount of power consumption.

In addition, the refrigerant compressor management unit may determine operating priorities of the refrigerant compressors, and may determine to simultaneously operate the refrigerant compressors based on allowable power consumption secured by additionally operating an idle generator.

On the other hand, in the ship power management method reflecting the refrigerating container state information according to another aspect of the present invention, in the power management method using the ship power management system reflecting the refrigerating container state information, the internal temperature of the refrigerating container in the data receiver, the refrigerant compressor Receiving status information including operation status and amount of power, operation request of refrigerant compressor and amount of power of generator, step of setting allowable power consumption of generator in operation in power usage setting unit, refrigerant from refrigerant container in refrigerant compressor management unit When a compressor operation request is received, determining an operation priority of the refrigerant compressor by calculating an estimated power consumption, and transmitting operation request approval data to the refrigerant compressor according to the priority determined by the refrigerant compressor management unit in a data transmission unit. It includes steps to

In addition, the step of determining the priority is prioritized so that the refrigerant compressor of the refrigerant container deviating from the preset target temperature value to a larger value by reflecting the internal temperature of each refrigerated container received through the data receiving unit can be operated with priority It is characterized by determining.

In addition, after the step of transmitting the operation request approval data, in spite of the sequential operation of each refrigerant container refrigerant compressor according to the operation priority of the refrigerant compressor of the refrigerant compressor management unit, if it is impossible to maintain the internal temperature of the refrigerant container, idle It is characterized by further performing the step of securing an allowable amount of power consumption by operating the generator in progress.

In addition, after the step of securing the power consumption, determining the operation priority of the refrigerant compressor so that the refrigerant compressor can be simultaneously operated based on the allowable power consumption secured by additionally operating the idle generator in the refrigerant compressor management unit. It is characterized by performing.

Ship power management system and method reflecting refrigerated container state information according to the present invention can stably operate generators of container ships by directly controlling the power consumption of each refrigerated container by collecting state information of each refrigerated container, thereby As a result, there is an effect of reducing fuel consumption and increasing safety of the ship.

In addition, there is an effect that can prevent dangerous situations such as blackout in advance by predicting changes in the power load of the ship according to the state of the refrigerated container.

In addition, it is possible to maintain the freshness of the goods inside the refrigerated container by automatically operating the idle generator in consideration of the ability to maintain the temperature of each refrigerated container and securing the available power consumption.

1 is a configuration diagram showing the configuration of a ship power management system reflecting refrigerated container state information according to the present invention.
2 is a configuration diagram showing the configuration of a power management server constituting a ship power management system reflecting refrigerated container state information according to the present invention.
Figure 3 is a flow chart showing the overall flow of the ship power management method reflecting the state information of the refrigerated container according to the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims.

With reference to the accompanying drawings below, specific details for the practice of the present invention will be described in detail. Like reference numbers refer to like elements, regardless of drawing, and "and/or" includes each and every combination of one or more of the recited items.

Terms used in this specification are for describing the embodiments and are not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements other than the recited elements.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used in a meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless explicitly specifically defined.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram showing the configuration of a ship power management system reflecting refrigerated container state information according to the present invention.

Referring to FIG. 1 , a ship power management system reflecting refrigerated container state information according to the present invention includes a refrigerated container 100, a generator 200, and a power management server 300.

First, the refrigerant container 100 is equipped with a refrigerant compressor (not shown) to receive power from the outside and store in a frozen or refrigerated state to transport perishable food materials or electronic parts sensitive to temperature changes due to temperature differences . A plurality of the refrigerated containers 100 are shipped on a container ship.

Next, the generator 200 is a generator for supplying power to the refrigerated container 100, and serves to supply power necessary for various ship power loads.

Of course, at least two generators 200 may be provided in a container ship.

Next, the power management server 300 collects state information of the refrigerated container 100 and controls power use of each refrigerated container 100 .

2 is a configuration diagram showing the configuration of a power management server constituting a ship power management system reflecting refrigerated container state information according to the present invention.

Referring to FIG. 2 , the power management server 300 will be described. The power management server 300 includes a data receiving unit 310, a power usage setting unit 320, a refrigerant compressor management unit 330, and a data transmission unit. (340).

The data receiving unit 310 receives detailed information, the internal temperature of the refrigerated container, the operating state and power amount of the refrigerant compressor, and the operation request signal of the refrigerant compressor from the plurality of refrigerating containers 100, and generates a generator from the generator 200 receive the amount of power of

The detailed information includes, but is not limited to, the unique number of the refrigerated container 100, the loaded goods in the container, and the like.

At this time, the refrigerating container 100 is preferably configured to transmit the detailed information, the internal temperature, the operating state of the refrigerant compressor, the amount of power, and the operation request.

In addition, the data receiving unit 310 is, of course, configured to transmit and receive data including wired and wireless together with the data transmission unit 340 to be described later.

The power consumption setting unit 320 sets the allowable power consumption to operate the refrigerant compressor of the refrigerating container 100 using the generator 200 .

The refrigerant compressor management unit 330 receives a refrigerant compressor operation request from the refrigerating container 100, calculates an estimated power consumption, and determines an operation priority of the refrigerant compressor.

To explain this by way of example, first, the refrigerant compressor management unit 330 determines to sequentially operate the refrigerating container 100 within the allowable power consumption limit set by the power consumption setting unit 320.

In addition, the refrigerant compressor management unit 330 may preferentially operate the refrigerant compressor of the refrigerating container 100 that deviate from the preset reference temperature value based on the internal temperature information of each refrigerating container 100 to a larger value Determine driving priorities.

At this time, the refrigerant compressor management unit 330 operates two refrigerant compressors at the same time if the allowable power consumption of the generator 200 is an amount of power capable of driving two or more refrigerant compressors (this is only one example, but is not limited thereto). Priorities can be determined so that driving is possible.

The data transmission unit 340 transmits operation acceptance (approval) data according to priority to each refrigerant compressor according to the priority determined by the refrigerant compressor management unit 330 . This may be interpreted as meaning that operation approval data is transmitted to each refrigerant compressor in priority order.

On the other hand, the power management server 300 maintains the internal temperature of the refrigerant container 100 despite the sequential operation of the refrigerant compressors of each refrigerant container 100 according to the operation priority of the refrigerant compressor of the refrigerant compressor management unit 330. If it is not possible, it may be configured to secure allowable power consumption by operating the idle generator 200 .

In addition, the refrigerant compressor management unit 330 determines the operation priority of the refrigerant compressor, but determines to simultaneously operate the refrigerant compressor based on the allowable power consumption secured by additionally operating the idle generator 200. . This may be interpreted as determining to additionally operate the refrigerant compressor, which will be described again along with a power management method below.

Hereinafter, a ship power management method reflecting refrigerated container state information according to another aspect of the present invention using a ship power management system reflecting refrigerated container state information having the above-described structure will be described.

Figure 3 is a flow chart showing the overall flow of the ship power management method reflecting the state information of the refrigerated container according to the present invention.

Referring to FIG. 3, in the ship power management method reflecting refrigerating container state information according to the present invention, first, the internal temperature of each refrigerating container 100 in the data receiving unit 100, the operating state and power amount of the refrigerant compressor, and the refrigerant compressor Status information including an operation request and power information of the generator 200 is received in real time (S100).

Next, the allowable power consumption of the operating generator 200 is set in the power consumption setting unit 320 (S110).

Next, when the refrigerant compressor management unit 330 receives a refrigerant compressor operation request from the refrigerating container 100, based on the allowable power consumption set by the electric power consumption setting unit 320, each refrigerating container 100 A step of determining the operation priority of the refrigerant compressor by calculating the expected power consumption is performed (S120).

The step of determining the operation priority of the refrigerant compressor (S120) reflects the internal temperature of each refrigerating container 100 received through the data receiving unit 310 and refrigerating containers that deviate from a predetermined target temperature value to a larger value ( 100) priorities are determined so that the refrigerant compressor can be operated first.

To explain this by way of example, the internal temperature of the first refrigerated container 100 under the assumption that 5 refrigerated containers 100 are provided, and each refrigerated container 100 must maintain 0 degrees (target temperature value) is 3 degrees, the second refrigerated container 100 is 1 degree, the third is 8 degrees, the fourth is 0 degrees, and the fifth is minus 2 degrees, the target temperature value in the refrigerant compressor management unit 330 ( When priorities are determined in the order of deviation from 0 degrees), the priorities may be determined in the order of third, first, fifth, second, and fourth.

At this time, on the other hand, in the case of the fifth refrigerated container, it is minus 2 degrees, and as an exception that does not require refrigeration or freezing, it may be configured to place priority behind the fourth (0 degrees) in priority. That is, the priority may be determined in the order of third, first, second, fourth, and fifth.

The above description is only an example for explaining a method for determining the operation priority of the refrigerant compressor, and is not limited to the number of refrigerating containers 100, internal temperature, target temperature value, and the like.

In addition, the above example is only an example in which the refrigerant compressor is sequentially operated, and is not limited thereto. Of course, it can be configured to prioritize so that more than one operation is performed concurrently.

Next, the data transmitter 340 transmits operation request approval data to the refrigerant compressor (refrigerated container) according to the priority determined by the refrigerant compressor management unit 330 (S130). The refrigerant compressor (refrigerating container) receiving the operation request approval data starts to operate.

On the other hand, after the step of transmitting the operation request approval data (S130), despite the sequential operation of the refrigerant compressors of each refrigerating container 100 according to the operation priority of the refrigerant compressor of the refrigerant compressor management unit 330, the refrigerating container ( When it is impossible to maintain the internal temperature of 100), a step of securing acceptable power consumption by operating the idle generator 200 may be performed.

Thus, for example, when a plurality of refrigerating containers 100 are provided, two refrigerant compressors are sequentially operated at the same time, but when the internal temperature of the refrigerating container 100 exceeds a preset target temperature value , The power management server 300 activates the idle generator 200 to secure an allowable power consumption so that three or more refrigerant compressors can be sequentially operated.

Although the embodiments of the present invention have been described with reference to the above and accompanying drawings, those skilled in the art to which the present invention pertains can implement the present invention in other specific forms without changing the technical spirit or essential features. You will understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

100: frozen container
200: generator
300: power management server
310: data receiver
320: power consumption setting unit
330: refrigerant compressor management unit
340: data transmission unit

Claims (9)

In the ship power management system reflecting the state information of the refrigerated container,
Shipped on a container ship, a plurality of refrigerant containers equipped with a refrigerant compressor;
a generator supplying power to the refrigerated container; and
A power management server for collecting state information of the refrigerated container and controlling power use of each refrigerated container; including,
The power management server includes a data receiving unit for receiving the internal temperature of the refrigerating container, the operating state and amount of power of the refrigerant compressor, the operation request of the refrigerant compressor and the amount of power of the generator, and setting the allowable power consumption of the generator A power usage amount setting unit, a refrigerant compressor management unit that receives a refrigerant compressor operation request from the refrigerating container, calculates an estimated power consumption, and determines an operation priority of the refrigerant compressor, and the refrigerant compressor management unit determines the priority of the refrigerant compressor. A data transmission unit for transmitting operation acceptance (approval) data to the refrigerant compressor;
The refrigerant compressor management unit is configured to preferentially operate the refrigerant compressor of the refrigerant container deviating from a preset reference temperature value to a larger value by reflecting the internal temperature of each refrigerant container received through the data receiver. Ship power management system. delete delete According to claim 1,
At least two generators are provided,
The power management server,
In spite of the sequential operation of each refrigerant container refrigerant compressor according to the operation priority of the refrigerant compressor of the refrigerant compressor management unit, if it is impossible to maintain the internal temperature of the refrigerant container,
A ship power management system characterized in that for securing an acceptable amount of power consumption by operating an idle generator. According to claim 4,
The refrigerant compressor management unit,
Determine the operation priority of the refrigerant compressor,
A ship power management system, characterized in that it is possible to determine to simultaneously operate the refrigerant compressor based on the allowable power consumption secured by additionally operating the idle generator. In the ship power management method using a ship power management system reflecting refrigerated container state information,
Receiving state information including the internal temperature of the refrigerating container, the operating state and amount of power of the refrigerant compressor, the operation request of the refrigerant compressor and the amount of power of the generator in the data receiver;
Setting an allowable power consumption of a generator in operation in a power consumption setting unit;
When a refrigerant compressor management unit receives a refrigerant compressor operation request from a refrigerating container, determining an operation priority of the refrigerant compressor by calculating an estimated power consumption; and
Transmitting operation request approval data from a data transmission unit to the refrigerant compressor according to the priority determined by the refrigerant compressor management unit; including,
In the step of determining the priority, the priority is set so that the refrigerant compressor of the refrigerant container deviating from the predetermined target temperature value to a larger value by reflecting the internal temperature of each refrigerated container received through the data receiving unit can be operated with priority. Ship power management method, characterized in that for determining. delete According to claim 6,
After the step of transmitting the driving request approval data,
In spite of the sequential operation of each refrigerant container refrigerant compressor according to the operation priority of the refrigerant compressor of the refrigerant compressor management unit, if it is impossible to maintain the internal temperature of the refrigerant container,
Ship power management method characterized by further performing the step of securing an acceptable power consumption by operating an idle generator. According to claim 8,
After the step of securing the power consumption,
Wherein the refrigerant compressor management unit performs the step of determining the operation priority of the refrigerant compressors so that the refrigerant compressors can be simultaneously operated based on the allowable power consumption secured by additionally operating the idle generator. .

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