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KR20140026975A - Data communication apparatus using dual communication type of refrigerator truck - Google Patents

Data communication apparatus using dual communication type of refrigerator truck Download PDF

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Publication number
KR20140026975A
KR20140026975A KR1020120093285A KR20120093285A KR20140026975A KR 20140026975 A KR20140026975 A KR 20140026975A KR 1020120093285 A KR1020120093285 A KR 1020120093285A KR 20120093285 A KR20120093285 A KR 20120093285A KR 20140026975 A KR20140026975 A KR 20140026975A
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KR
South Korea
Prior art keywords
data
communication
communication unit
unit
wifi
Prior art date
Application number
KR1020120093285A
Other languages
Korean (ko)
Inventor
신광섭
임선숙
권이한
Original Assignee
주식회사 테노바엔비타
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020120093285A priority Critical patent/KR20140026975A/en
Publication of KR20140026975A publication Critical patent/KR20140026975A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention includes a communication device installed on portable terminals transmitting data using a WiFi communication method, and refrigerated trucks capable of selecting a possible communication method for wirelessly communicating with a management apparatus according to a predetermined priority list when receiving data from the portable terminal. [Reference numerals] (31) WiFi communication unit; (32) Zigbee communication unit; (33) CDMA communication unit; (34) Main controller

Description

DATA COMMUNICATION APPARATUS USING DUAL COMMUNICATION TYPE OF REFRIGERATOR TRUCK}

The present invention relates to a data communication device using a dual communication method of a refrigeration tower vehicle, and more particularly, a producer's portable terminal transmits data about a product to a refrigeration tower vehicle by a WiFi-based communication method, The present invention relates to a data communication device using a dual communication method of a refrigeration tower vehicle that transmits data on a product to a control device by selecting a wireless communication method available at a corresponding production site.

In general, in the agricultural product trading method, the producer sells the agricultural products grown and harvested to the broker, and the broker is kept in the form of a typical trading method in which the seller is sold to the consumers through a distribution stage composed of several stages. For example, as living standards improve and interest in health and the environment increases, interest in the quality of agricultural and livestock products is increasing.

As a result, consumers have increased their interest in the production history, and have confirmed the history of the products for the production site, production method, distribution process, etc. of the products they consume.

Recently, a producer directly registers information on a product grown by the producer, for example, producer information, production site information, etc. directly in a system that manages the production history, and the consumer confirms it, or a barcode printed on the product. You can check directly using.

However, since the production area is a rice field or a field, an area where a communication network such as WLAN (Wireless LAN) or Zigbee is established is rare.

Accordingly, the producer inputs the production site information by using CDMA (Code Division Multiple Access). In the case of CDMA, a communication fee for using the information is added, which burdens the producer.

Background art related to the present invention is the 'Agricultural Livestock History Management Method and System' of Korean Patent Publication No. 10-2006-0055196 (2006.05.23).

The present invention has been made to improve the above-mentioned problems, the producer's portable terminal transmits the data about the product to the refrigeration tower vehicle by WiFi-based communication method, the refrigeration tower vehicle uses the data about the product in the production site An object of the present invention is to provide a data communication device using a dual communication method of a refrigeration tower vehicle that selects a wireless communication method and transmits it to a control device.

According to an aspect of the present invention, a data communication apparatus using a dual communication method of a refrigeration tower vehicle includes a portable terminal for transmitting data through a WiFi communication method; And a communication device installed in the refrigeration tower so as to receive data from the portable terminal, selecting a communication method capable of wireless communication with the control device according to a preset priority, and transmitting the data to the control device according to the selected communication method. Characterized in that it comprises a.

The communication device of the present invention includes a WiFi communication unit for transmitting and receiving data in a WiFi communication method, and interface the data through a USB interface; A Zigbee communication unit for transmitting and receiving data through a Zigbee communication method and interfacing data through an I 2 C interface; A CDMA communication unit which transmits and receives data in a CDMA communication method and interfaces data through a USB interface; And a main control unit for controlling data to be transmitted to the control apparatus using any one of the WiFi communication unit, the Zigbee communication unit, and the CDMA communication unit, which is capable of wireless communication with the control unit, when data is received through the WiFi communication method. Characterized in that it comprises a.

The main control unit of the present invention is characterized in that the control to transmit the data to the control unit in order to select the Zigbee communication unit, the WiFi communication unit, the CDMA communication unit.

The WiFi communication unit of the present invention is a WiFi communication module for transmitting and receiving data in a WiFi communication method; A USB interface for inputting and outputting data to and from the Zigbee communication unit, the CDMA communication unit, and the main control unit; And a data format converter for converting data into a format suitable for a communication method of the Zigbee communication unit and the CDMA communication unit.

The Zigbee communication unit of the present invention CDMA communication module for transmitting and receiving data in a Zigbee communication method; A USB interface for inputting and outputting data to and from the WiFi communication unit, the CDMA communication unit, and the main control unit; And a data format conversion unit for converting data into a format suitable for a communication method of the WiFi communication unit and the CDMA communication unit.

The CDMA communication unit of the present invention CDMA communication module for transmitting and receiving data in a Zigbee communication method; A USB interface for inputting and outputting data to and from the WiFi communication unit, the Zigbee communication unit, and the main control unit; And a data format conversion unit for converting data into a format suitable for a communication method of the WiFi communication unit and the Zigbee communication unit.

The present invention reduces the cost for data transmission for the product because the producer transmits the data for the product in a WiFi-based communication method.

In addition, the present invention can reduce the cost for data transmission for the product of the producer, thereby inducing the data input of the product of the producer.

In addition, since the present invention requires the producer to directly input the data of the product in the process of delivering the product to the refrigeration tower truck, it is possible to prevent the data about the product is missing, thereby strengthening the monitoring of the product Make sure

1 is a conceptual diagram illustrating the operation of a data communication apparatus using a dual communication method of a refrigerator refrigerator according to an embodiment of the present invention.
2 is a block diagram of a communication device provided in the refrigeration tower vehicle of FIG.
3 is a block diagram illustrating a WiFi communication unit of FIG. 2.
4 is a block diagram illustrating the Zigbee communication unit of FIG. 2.
FIG. 5 is a block diagram illustrating the CDMA communication unit of FIG. 2.
FIG. 6 is a flowchart illustrating an operation process of a data communication device using a dual communication method of a refrigeration tower vehicle according to an embodiment of the present invention.

Hereinafter, a data communication apparatus using a dual communication method of a refrigeration tower vehicle according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a conceptual view of a data communication apparatus using a dual communication method of a refrigerator refrigerator according to an embodiment of the present invention, Figure 2 is a block diagram of a communication device provided in the refrigerator refrigerator illustrated in Figure 1, Figure 3 2 is a block diagram of the WiFi communication unit of FIG. 2, FIG. 4 is a block diagram of the Zigbee communication unit of FIG. 2, and FIG. 5 is a block diagram of the CDMA communication unit of FIG. 2.

The data communication apparatus using the dual communication method of the refrigeration tower according to an embodiment of the present invention includes a portable terminal 10 and the communication device (30).

For reference, the control device 40 illustrated in FIG. 1 is an integrated management and operation of data on products, and the communication device 30 in which data on products related to products and distribution is installed in the refrigeration tower 20. When received from the server, this data is output for the administrator to recognize. In addition, when warning data such as insufficient management of the product or abnormal state of storage of the product is transmitted, it is transmitted to the administrator terminal (not shown) by voice or text message so that the administrator can recognize immediately.

As shown in FIG. 1, the portable terminal 10 allows a producer to carry and input various data and transmit the data to the refrigeration tower 20. The portable terminal 10 is a smart phone, a PDA (Personal Digital Assistant), a notebook, or the like, and has an input module (not shown) for inputting data and a communication module (not shown) capable of transmitting and receiving data.

The communication module provided in the portable terminal 10 typically includes a communication module for WiFi or Zigbee and CDMA communication. In this case, the portable terminal 10 selects and transmits the input data according to the priority of the WiFi communication method, the Zigbee communication method, and the CDMA communication method, and the Zigbee communication method, the WiFi communication method, and the CDMA communication method. Select the communication method in order to transmit the data.

The communication device 30 is installed in the refrigeration tower 20 as shown in FIG. 1 to receive data from the mobile terminal 10, the received data from the WiFi communication method, Zigbee communication method and CDMA communication method, After selecting the communication method currently available with the control device 40 according to the priority, the data is transmitted to the control device 40 according to the selected communication method.

For reference, the refrigeration tower vehicle 20 is for transporting low-temperature foods and articles that can not store or transport various frozen foods or low-temperature foods at room temperature, and forms a storage compartment on a normal vehicle loading part. A refrigeration unit is installed on the head side of the vehicle or on the upper side of the reservoir to maintain the internal temperature of the reservoir at a low temperature through the evaporator of the air conditioner.

As shown in FIG. 2, the communication device 30 includes a WiFi communication unit 31, a Zigbee communication unit 32, a CDMA communication unit 33, and a main control unit 34.

The WiFi communication unit 31 transmits / receives data with the portable terminal 10 and the control device 40 by using a WiFi communication method, and interfaces various data to the USB interface unit 311 and the WiFi communication module 312. And a data format converter 313.

The USB (Universal Serial Bus) interface unit 311 transmits and receives data on the product to the Zigbee communication unit 32 and the CDMA communication unit 33, and transmits and receives various control data with the main control unit 34.

The WiFi communication module 312 transmits and receives data with the portable terminal 10 and the control device 40 in a WiFi communication method.

The data format converter 313 converts the data for the product into a data format suitable for the communication method of the Zigbee communication unit 32 and the CDMA communication unit 33 according to the control data of the main control unit 34.

The Zigbee communication unit 32 transmits / receives data with the control device 40 in a Zigbee communication method and interfaces various data, such as an I 2 C interface unit 321, a Zigbee communication module 322, and a data format conversion unit ( 323).

The I 2 C interface unit 321 transmits and receives data on the product to the Zigbee communication unit 32 and the CDMA communication unit 33, and transmits and receives various control data with the main control unit 34.

The Zigbee communication module 322 transmits and receives data with the portable terminal 10 and the control device 40 in a Zigbee communication method.

The data format conversion unit 323 converts the data for the product into a data format suitable for the communication method of the WiFi communication unit 31 and the CDMA communication unit 33 according to the control data of the main control unit 34.

The CDMA communication unit 33 transmits and receives data with the control device 40 in a CDMA communication method, and interfaces data via a USB interface. The USB interface unit 321, the Zigbee communication module 322, and the data format conversion unit are provided. 333.

The USB interface unit 331 transmits and receives data on the product to the WiFi communication unit 31 and the Zigbee communication unit 32 and transmits and receives various control data to and from the main control unit 34.

The CDMA communication module 332 transmits and receives data with the portable terminal 10 and the control device in a CDMA communication method.

The data format converter 333 converts the data about the product into a data format suitable for the communication method of the WiFi communication unit 31 and the Zigbee communication unit 32 according to the control data of the main control unit 34.

When the main control unit 34 receives data from the portable terminal 10 in a WiFi communication method, the main control unit 34 wirelessly communicates the data with the control unit 40 of the WiFi communication unit 31, the Zigbee communication unit 32, and the CDMA communication unit 33. Any one of these possible controls is transmitted to the control device 40 according to a preset priority.

Hereinafter, a data communication apparatus using a dual communication method of a refrigeration tower vehicle according to an embodiment of the present invention will be described in detail with reference to FIG. 6.

FIG. 6 is a flowchart illustrating an operation process of a data communication device using a dual communication method of a refrigeration tower vehicle according to an embodiment of the present invention.

First, when the mobile terminal 10 generates a session connection request message and transmits it to the communication device 30, the main controller 34 carries the session connection response message through the WiFi communication unit 31 in response to the session connection request message. By transmitting to the terminal 10 forms a WiFi-based communication channel with the mobile terminal 10 (S10).

As such, when a communication channel is formed between the portable terminal 10 and the communication device 30, the main controller 34 checks whether data regarding the product is received from the portable terminal 10 through the WiFi communication unit 31. In operation S20, when data regarding a product is received, one of the WiFi communication unit 31, the Zigbee communication unit 32, and the CDMA communication unit 33 may search for any one that can communicate with the current control device 40 and according to its priority. Select (S30).

Here, the priority is selected in order of Zigbee communication unit 32, WiFi communication unit 31, CDMA communication unit 33, if the Zigbee communication unit 32 is not connected to the communication, select the WiFi communication unit 31, WiFi If the communication unit 31 is not communicatively connected, the CDMA communication unit 33 is finally selected.

Typically, since the production site is an area where the WiFi communication unit 31 or the Zigbee communication unit 32 cannot perform normal communication such as mountainous areas, the CDMA communication unit 33 may be selected.

In this case, the main control unit 34 inputs command data to the WiFi communication unit 31 to transmit data on the product received through the WiFi communication unit 31 to the CDMA communication unit 33.

Accordingly, the WiFi communication module 312 of the WiFi communication unit 31 inputs data on the product to the data format conversion unit 313, and the data format conversion unit 313 is suitable for the communication method of the CDMA communication unit 33. The data is converted into data format and input to the CDMA communication unit 33 (S40).

When data is input from the WiFi communication unit 31, the CDMA communication unit 33 transmits the data to the control device 40 through the CDMA communication unit 33 (S50).

For reference, in the present exemplary embodiment, the communication device 30 transmits data to the control device 40 through the CDMA communication unit 33 by way of example. However, the technical scope of the present invention is not limited thereto. It may include selecting and transmitting any one of the Zigbee communication unit 32 and the WiFi communication unit 31 according to a failure.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: mobile terminal 20: refrigeration tower car
30: communication device 31: WiFi communication unit
311: USB interface unit 312: WiFi communication module
313: data format converter 32: Zigbee communication unit
321: I 2 C interface unit 322: Zigbee communication module
323: data format conversion unit 33: CDMA communication unit
331: USB interface unit 332: CDMA communication module
333: data format converter 34: main controller
40: control device

Claims (6)

A mobile terminal for transmitting data by WiFi communication method; And
When the data is received from the portable terminal installed in the refrigerating refrigeration tower, a communication method for wireless communication with the control device is selected according to a predetermined priority, and a communication device for transmitting data to the control device according to the selected communication method. Data communication device using a dual communication method of the refrigeration tower containing. The method of claim 1, wherein the communication device
A WiFi communication unit for transmitting and receiving data through a WiFi communication method and interfacing data through a USB interface;
A Zigbee communication unit for transmitting and receiving data through a Zigbee communication method and interfacing data through an I 2 C interface;
A CDMA communication unit which transmits and receives data in a CDMA communication method and interfaces data through a USB interface; And
When the data is received by the WiFi communication method, the main control unit for controlling to transmit the data to the control device using any one of the WiFi communication unit, the Zigbee communication unit and the CDMA communication unit capable of wireless communication with the control device; Data communication device using a dual communication method of the refrigeration tower vehicle comprising a. The method of claim 2, wherein the main control unit
The data communication device using the dual communication method of the refrigeration tower vehicle, characterized in that for controlling the control unit to transmit the data in order to the Zigbee communication unit, the WiFi communication unit, the CDMA communication unit. The method of claim 2, wherein the WiFi communication unit
WiFi communication module for transmitting and receiving data in a WiFi communication method;
A USB interface for inputting and outputting data to and from the Zigbee communication unit, the CDMA communication unit, and the main control unit; And
And a data format conversion unit for converting data into a format suitable for a communication method of the Zigbee communication unit and the CDMA communication unit. The method of claim 2, wherein the Zigbee communication unit
CDMA communication module for transmitting and receiving data by Zigbee communication method;
A USB interface for inputting and outputting data to and from the WiFi communication unit, the CDMA communication unit, and the main control unit; And
And a data format conversion unit for converting data into a format suitable for a communication method of the WiFi communication unit and the CDMA communication unit. The method of claim 2, wherein the CDMA communication unit
CDMA communication module for transmitting and receiving data by Zigbee communication method;
A USB interface for inputting and outputting data to and from the WiFi communication unit, the Zigbee communication unit, and the main control unit; And
And a data format conversion unit for converting data into a format suitable for a communication method of the WiFi communication unit and the Zigbee communication unit.
KR1020120093285A 2012-08-24 2012-08-24 Data communication apparatus using dual communication type of refrigerator truck KR20140026975A (en)

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Application Number Priority Date Filing Date Title
KR1020120093285A KR20140026975A (en) 2012-08-24 2012-08-24 Data communication apparatus using dual communication type of refrigerator truck

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US11919363B2 (en) 2017-08-25 2024-03-05 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle

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