WO2015046695A1

WO2015046695A1 - Broadband modem based multi-sensor device control system for machine-to-machine communication and internet of things

Info

Publication number: WO2015046695A1
Application number: PCT/KR2014/003039
Authority: WO
Inventors: 전병권; 유창수
Original assignee: 주식회사 비트앤펄스
Priority date: 2013-09-26
Filing date: 2014-04-08
Publication date: 2015-04-02
Also published as: KR20150034425A; KR101517503B1

Abstract

The present invention relates to a broadband modem based multi-sensor device control system for Machine-to-Machine communication and Internet of Things, and more specifically, to a sensor devices control system comprising: an application processor unit receiving information collected by multiple sensor devices and processing the information; an interface unit for physically connecting the application processor unit and a plurality of sensor devices; a wireless broadband modem unit (120) for transmitting the information collected and processed by the application processor unit to other external things through a wireless communication network; and a computer terminal, which produces and inputs an application program capable of individually or integratively controlling the multiple sensor devices and uploads the application program to the application processor unit through the interface unit.

Description

Broadband modem based multi-sensor equipment control system for IoT communication and IoT

The present invention relates to a broadband modem-based multi-sensor equipment control system for IoT communication and the IoT, and more particularly, an application processor unit for receiving and processing information collected by a plurality of sensor devices; An interface unit for performing physical connection between the application processor unit and a plurality of sensor devices; A wireless broadband modem unit for transferring the information collected and processed by the application processor to another external object through a wireless communication network; A computer terminal for authoring and inputting an application program capable of individually or collectively controlling the multiple sensor devices and uploading the application program to the application processor unit through the interface unit; It relates to a control system of the sensor equipment, characterized in that configured to include.

In general, thing to machine communication (Machine to Machine, abbreviated as 'M2M') by providing a sensor function and communication function to the thing intelligently collects information about the surrounding environment, and transmits the collected information to other things Indicates communication that can.

Such IoT communication is currently used in various fields such as telematics equipment, vehicle control equipment, security equipment, meteorological observation equipment, location tracking equipment, food metering measurement equipment, remote meter reading equipment, and the like. The field of use is expected to be wider.

In addition, the Internet of Things (hereinafter, referred to as 'IoT') is a concept in which the concept of IoT communication is extended by interworking with the Internet, and a device having a sensor function and a communication function is connected to other devices through the Internet. Means a communication network constructed to transmit or exchange the collected information.

1 illustrates a control system of a general sensor device for IoT communication.

Referring to the drawings, the control system 1, the M2I communication processor for performing communication with the sensor device 5 receives the information collected by the sensor device 5 and performs its information processing, and A memory 3 for storing a program for performing information processing of the processor 2, and a wireless broadband modem 4 for transferring information collected and processed by the processor 2 to the outside of the system through a wireless network. do.

At this time, the sensor device (5) is basically provided with an independent processor to send and receive commands for mutual communication according to the interface with the control system (1).

The sensor device 5 and the processor 2 are interlocked by a USB interface or an RS-232C interface.

In addition, the wireless broadband modem 4 (WWAN Modem) is a modem that supports wideband voice communication or data communication based on a wireless network.

However, the conventional general sensor equipment control system as described above has a problem that is accompanied by the following constraints.

First, when the sensor device 5 is changed due to the function configuration of the control system 1 determined according to the function configuration of the sensor device 5, the software or hardware configuration of the device of the control system 1 is changed. There was a problem that had to be changed.

Second, if the physical interface standard between the control system 1 and the sensor device 5 is changed, if the control system 1 does not have an interface corresponding to the sensor device 5, Since the interface of the control system 1 needs to be changed, there is a problem of causing cost and time wastage.

Third, if the software of the control system 1 is modified, there is a problem of upgrading the firmware of the corresponding software as a whole.

The present invention has been devised to solve the above-mentioned problems, and it is possible to interwork with various sensor devices and at the same time perform an application (Application) corresponding to the sensor device through an open operating system (Linux, RTOS, etc.). Provide sensor system control system.

In addition, it provides a multi-sensor equipment control system that can interoperate with various external sensor equipment by utilizing various interfaces provided by the broadband modem.

Broadband modem-based multi-sensor equipment control system for the present invention to achieve the technical problem as described above, the application processor unit for receiving the information collected by the multiple sensor equipment to perform its processing (application) processor); An interface unit for performing physical connection between the application processor unit and a plurality of sensor devices; A wireless broadband modem unit for transferring the information collected and processed by the application processor unit to another external object through a wireless communication network (WWAN Modem); A computer terminal for authoring and inputting an application program capable of individually or collectively controlling the multiple sensor devices and uploading the application program to the application processor unit through the interface unit; Characterized in that comprises a.

The broadband modem-based multi-sensor equipment control system for IoT communication and IoT of the present invention having the configuration as described above is to write an application program in a computer terminal and upload it to an application processor driven by an open operating system. Because it can be implemented, according to the function configuration of the sensor equipment, by expressing an excellent effect that can easily change the program of the control system of the sensor equipment, to the Machine to Machine (Internet of Things) and the Internet of Things (Internet of Things) It is a very advanced invention that can efficiently carry out the design, control and maintenance of multiple sensor equipment for the present invention.

1 is a block diagram of a control system of a conventional general sensor equipment,

2 is a block diagram of a control system of the sensor device of the present invention;

3 is a configuration diagram of an application processor unit of the control system of the present invention sensor equipment;

4 and 5 is a flow chart showing the step of uploading a program for controlling the present invention sensor equipment from the computer terminal to the present invention control system,

6 is a block diagram of a control system of a sensor device according to an embodiment of the present invention;

7 is a view showing a state in which the control system of the sensor equipment of the embodiment of the present invention is mounted on a substrate.

Explanation of symbols on the main parts of the drawings

10; Control system of the present invention sensor equipment

100; Application processor unit

101; Operating system operating area

102; Communication drive area

103; Hardware application layer

104; Peripheral I / O Module

105; Sensor Equipment Interface Bus

106; Communication interface bus

107; Interface connector

110; Interface part

120; Wireless Broadband Modem Section

130; WAN / LAN Communication Department

140; Sensor equipment 1

150; Sensor equipment 2

160; Sensor equipment N

170; Computer terminal

Hereinafter, a configuration of a broadband modem-based multi-sensor equipment control system for IoT communication and IoT of the present invention will be described in detail with reference to the accompanying drawings.

However, the disclosed drawings are provided as examples to sufficiently convey the spirit of the present invention to those skilled in the art. Accordingly, the invention is not limited to the drawings presented below, but may be embodied in other aspects.

In addition, unless there is another definition in terms used in the present specification, it has the meaning commonly understood by those of ordinary skill in the art to which the present invention belongs, and the gist of the present invention in the following description and the accompanying drawings. Detailed descriptions of well-known functions and configurations that may be unnecessarily blurred are omitted.

2 is a block diagram of a control system of the sensor device of the present invention.

Referring to the drawings, the control system 10 of the present invention is a system for controlling multiple sensor devices 140, 150, and 160 for IoT communication and IoT, and wirelessly using another wireless broadband modem (WWAN modem). Information collected by the sensor devices 140, 150, and 160 may be delivered to a thing.

In addition, the control system 10 of the present invention is linked to the control system 10 under an open operating system such as a real-time operating system (RealTimeOS, RTOS), Linux, Android (Android), WinMobile (WinMobile) An application program that can individually or integrally control the sensor devices 140, 150, and 160 may be installed and driven.

In more detail, the control system 10 includes an application processor 100 which receives information collected by external sensor devices 140, 150 and 160 and performs processing thereof, and the application processor 100. Interface unit 110 for performing physical connection between the unit and the plurality of sensor devices (140, 150, 160), and a wireless broadband for transmitting the information collected and processed by the application processor unit 100 to other external objects through a wireless communication network WAN / LAN communication unit for transmitting the information collected and processed by the modem unit 120 and the application processor unit 100 to other objects through a wide area network (WAN) or a local area network (LAN) ( 130). In this case, the WAN / LAN communication unit 130 may be omitted as necessary.

In addition, the control system 10 of the present invention internally supports a line grid array (LGA), a ball grid array (BGA), a socket type module to support various broadband radio frequencies. 40Pin, 60Pin, 80Pin socket module, etc.), PIC Express (PIC Express), can be configured to include a broadband-based module of the NGFF (NGFF) type.

In addition, the sensor equipment controlled by the control system 10 of the present invention is a total of N sensors of the sensor equipment 1 (140), the sensor equipment 2 (150) and the sensor equipment N (160) as shown in the figure These sensors are used in various fields such as telematics sensors, vehicle sensors, security sensors, meteorological sensors, position tracking sensors, food metering sensors, and remote meter reading sensors. Sensor equipment.

Furthermore, the control system 10 of the present invention is a computer terminal 170 for authoring and inputting an application program capable of individually or integrally controlling the open OS and the sensor device 140, 150, 160. It can be connected through.

In addition, the application processor unit 100 is wired or wireless to receive the Internet service through the WWAN Modem 120 and the WAN / LAN communication unit 130 based on a wireless communication network and a wired communication network. Built-in Digital Signal Processor (DSP) function to perform modem functions.

The WWAN Modem 120 may be, for example, a long-term evolution (LTE), an LTE-advanced (LTE-A or LTE-Advance), or a Wi-Fi, which is a wireless-based communication network. (WiMAX), WiBro, HPA, HSPA, HSUPA, HSDPA, WCDMA, 1xEVDO, GPRS, GPRS It is connected to a mobile communication data base communication network such as EDGE or a wireless communication network such as IEEE 802.11 b / g / n / ac to perform communication.

In addition, the WAN / LAN communication unit 130, for example, a wire-based communication network, such as ADSL (PPSL) such as PPPoE (PPPoE) based on a wired-based communication network RJ-45 Ethernet (Ethernet) interface Connect with and perform communication.

The interface unit 110 is an interface for various peripheral input / output (Peripheral InPut / OutPut) that can be interlocked with the sensor device (140, 150, 160), such as, for example, GPIOs, RS-232C, UARTs, USBs, SPIs, Various standard interfaces such as SDIOs, ADCs (A / D Converters), PCM, EAR, and MIC can be adopted. In addition, the interface unit 110 may employ, for example, an RJ-45 Ethernet interface as the interface for the WAN / LAN communication unit 130.

At this time, the interface method of the interface unit 110 is determined according to the interface method of the sensor device. For example, if the sensor device 1 (140) is configured with an RS-232C interface, the interface unit 110 is also configured with an RS-232C interface and the control system 10 and the sensor device 1 of the present invention. 140 is interlocked with each other, and the information collected by the sensor device 1 140 may be transmitted and received to the control system 10 through a protocol complying with the interface standard.

Also, for example, when the sensor device 2 150 transmits an analog signal to the control system 10 according to the ADC interface standard, the wireless broadband modem unit 120 periodically samples the transmitted analog signal. ) To perform data quantization through the quantization process.

For example, if the sensor device N 160 is interlocked with the control system 10 as a GPIOs interface, the display unit such as an LED installed in the sensor device N 160 is turned on / off or the sensor device N ( By transmitting the specific signal of 160 to the control system 10 to perform subsequent processing according to the specific signal, the control system 10 may perform an interrupt function for detecting a specific event. .

In addition, the control system 10 and the computer terminal 170 of the present invention is interoperable with the operating system of the application processor unit 100 and the operating system (Win7, Win8, Linux, etc.) of the computer terminal 170. This is possible.

Then, cross-compilation of a program for controlling the sensor device is possible using the operating system of the computer terminal 170 and the operating system of the application processor unit 100, so that the computer terminal 170 is used. It is possible to develop a program for controlling the sensor device connected to the control system 10, and further by uploading the application binary file (application binary) of the developed program file to the application processor unit (100) The program can be executed by the 100.

In this case, the control system 10 of the present invention and the computer terminal 170 may be connected via a USB or RS-232C interface provided by the interface unit 110, and optionally, the interface unit 110. Connection is available through RJ-45 Ethernet interface provided by.

3 is a view showing a detailed configuration of the application processor unit 100 of the control system of the sensor device of the present invention.

Referring to the drawing, the application processor unit 100 is an operating system in which an open operating system such as a real-time operating system (RealTimeOS, RTOS), Linux, Android, and WinMobile is installed and executed. An operating system (101), a communication means driving region (102) for controlling the WWAN Modem (120) and the WAN / LAN communication unit (130), and the operating system driving region (101). ) And a hardware application layer 103 (Hardware Adaption Layer, commonly referred to as 'HAL') 103 corresponding to a hardware portion of the communication means drive region 102, and the hardware application layer and an external peripheral device. Peripheral I / O module 104, which is an interface bus, a sensor device interface bus 105 for interworking with sensor devices, the wireless broadband modem unit 120, and a WAN / LAN communication unit 130 Communication means interface for interworking with Switch 106, and an interface connector 107 for connecting the sensor device.

Therefore, since the operating system operating area 101 is an open operating system, by providing the computer terminal 170 with a corresponding cross-compile and development environment of the operating system, the computer terminal 170 for the sensor device By developing a specific application program, it is very easy to upload and execute an application binary file to the operating system driving region 101.

4 and 5 are flowcharts showing the steps of uploading a program for controlling the present invention sensor equipment from the computer terminal to the present invention control system.

First, referring to FIG. 4, the flowchart is illustrated by developing an application program for controlling a specific sensor device in a computer terminal 170, and then uploading and executing the corresponding application program developed by the system 10. Indicates.

For example, any one of a plurality of sensor devices is a GPS sensor device, another is a roughness sensor device, another is a temperature sensor device, the GPS sensor device is a control system ( 10) is connected to the RS-232C method, the illuminance measurement sensor equipment is connected to the control system 10 and I2C method, the temperature measurement sensor equipment is connected to the control system 10 and the SPI method, a computer terminal ( 170) develops an individual application program for interworking with each of these sensor devices, an application binary file corresponding to the GPS sensor device, an application binary file corresponding to the illuminance measuring sensor device, and the temperature measurement. The application binary file corresponding to the sensor device is the operating system of the application processor 100 of the control system 10 of the present invention. It represents each step to run to upload to the driving area 101.

Specifically, when the computer terminal 170 starts the development of a single application program for controlling the sensor device 1 (140) (S 100), and sets the interface and interworking method for intercommunication with the sensor device 1 (140). (S 101), and configure the basic function of the application program for mutual communication with the sensor device 1 (140) (S 102), then configure the function for the control and operation of the sensor device 1 (140) in the application program (S 103), and configures the collection management of information generated from the sensor device 1 (140) in the application program and the interworking function with the server (S 104), when the application program of the sensor device 1 (140) is completed, the computer terminal Cross-compiling the completed application program using the 170 (S 105), and the application binary file generated as a result of the cross-compile the application processor 100 of the control system 10 And uploading operating drive area 101 (S 106), since, allowing the execution of the operating system running an application area of a binary file (101) is uploaded, the function of the application program is carried out (S 107).

Then, the process of S 100 to S 107 as applied to the sensor device 1 (140) is the creation and upload of the application program of another sensor device, such as sensor device 2 (150) or sensor device N (160) and execution thereof. Since the same applies to the steps, detailed description thereof will be omitted.

Next, the flowchart shown in FIG. 5 is developed by the computer terminal 170 to develop a single application program for controlling a plurality of sensor devices at the same time, and then upload and execute the corresponding application program developed in the system 10 of the present invention. It shows the step to perform.

For example, any one of a plurality of sensor devices is a GPS sensor device, another is a roughness sensor device, another is a temperature sensor device, the GPS sensor device is a control system ( 10) is connected to the RS-232C method, the illuminance measurement sensor equipment is connected to the control system 10 and I2C method, the temperature measurement sensor equipment is connected to the control system 10 and the SPI method, a computer terminal ( After the 170 develops a single application program for controlling the plurality of sensor devices at the same time, each step of uploading and executing the corresponding application program developed by the system 10 is shown.

Specifically, when the computer terminal 170 starts the development of a single application program for controlling a plurality of sensor devices at the same time (S 200), and sets the interface and interworking method for intercommunication with the sensor device 1 (140) (S 201), configure a function for the control and operation of the sensor device 1 (140) in the application program (S 202), the collection and management of information generated from the sensor device 1 (140) in the application program and interworking with the server The function is configured (S203).

Thereafter, the above-described steps S 201 to S 203 applied to the sensor device 1 140 are equally applied to the other sensor device 2 150 and the sensor device N 160.

That is, set the interface and the interworking method for mutual communication with the sensor device 2 (150) (S 204), configure the function for the control and operation of the sensor device 2 (150) in the application program (S 205), the application The collection and collection function of the information generated from the sensor device 2 150 in the program is configured (S206).

Subsequently, an interface and an interworking method for mutual communication with the sensor device N 160 are set (S 207), and a function for controlling and operating the sensor device N 160 in the application program is configured (S 208). The collection and collection function of the information generated from the sensor device N 160 in the program is configured (S 209).

Subsequently, when a single application program for simultaneously controlling a plurality of sensor devices created through steps S 201 to S 209 is completed, cross-compile the completed application program using the computer terminal 170 (S 210). The application binary file generated as a result of the compilation is uploaded to the operating system drive area 101 of the application processor 100 of the control system 10 (S 211), and then, the operating system drive area 101 executes the uploaded application binary file. By performing the function of the application program (S 212).

6 is a block diagram of a control system of the sensor device of the embodiment of the present invention.

The configuration of the embodiment of the present invention shown is basically the same as the control system of the present invention shown in FIG. However, the embodiment includes more specific components, and the control system 1000 of the multi-sensor of the present invention includes an application processor 1001 supporting an open operating system and a radio wideband including an RF transmission / reception element for receiving Internet service. And a modem unit 1003, a WAN / LAN communication unit 1004 for supplying Internet service through a wide area network (WAN) or a local area network (LAN), and a memory element 1002. In this case, the WAN / LAM communication unit 1004 may be omitted as necessary.

The internal peripheral I / O module (UART, GPIO, SPI, I2C, USB, SDIO, MII, RGMII, EAR, MIC, ADC, PCM, etc.) of the application processor 1001 is a system bus 1005. It is connected to the Interface Connector (Interface Connector) 1006 through.

At this time, the configuration of the interface connector (1006) is a configuration of the RS-232C connector after the level conversion of the UART signal provided by the system bus (1005) in conjunction with the system bus (1005). Or a USB connector for a USB signal, a micro-SD card slot for a SDIO bus signal, or an EAR / MIC connector for a EAR / MIC bus signal, or RJ-45 Ethernet for a MII or RGMII signal. Connector configurations, or configurations for scalable interface connectors to connect other SDIO, UART, SPI, and I2C bus signals can be employed.

In addition, interface 1 1101 of sensor device 1 1100 is connected to the interface connector 1006 via a bus 1102. For example, in the case of the RS-232C interface method of the interface 1 1101 of the sensor device 1 (1100), the bus 1102 is composed of a cable and a connector for the RS-232C interface, the interface connector 1006 ) Is also composed of the same RS-232C interface as Interface 1 (1101).

In addition, interface 2 1201 of sensor device 2 1200 is connected to interface connector 1006 via bus 1202. For example, when the interface 2 1201 of the sensor device 2 1200 is a USB interface method, the bus 1202 includes a cable and a connector for a USB interface, and the interface connector 1006 is also the interface. It is composed of the same USB interface as the 2 (1201).

In addition, interface 3 1301 of sensor device 3 1300 is connected to interface connector 1006 via bus 1302. For example, when the interface 3 1301 of the sensor device 3 1300 is an I2C interface, the bus 1302 is composed of a cable and a connector for an I2C interface, and the interface connector 1006 is also the interface. It is composed of the same I2C interface as the 3 (1301).

Hereinafter, the sensor device 4 (1400), the interface 4 (140) and the bus 1402 and the sensor device N (1500), and the interface 5 (1501) and the bus 1502 for the same as the sensor device 4 ( The interface method of each

bus

1402 and 1502 and the interface connector 1006 is determined according to the method of each

interface

1401 and 1501 of the 1400 and the sensor device N 1500.

In addition, the interface 61601 of the computer terminal 1600 and the interface connector 1006 are connected. For example, if the interface 6 1601 of the computer terminal 1600 is a USB, RS-232C, or RJ-45 Ethernet interface, an application program developed for a specific sensor device in the computer terminal 1600 may be USB or It can be uploaded and executed by the application processor 1001 via an RS-232C or RJ-45 Ethernet interface.

The control system of the sensor device according to the embodiment of the present invention shows a structure provided with various interface connectors to interlock with various external sensor devices.

That is, the interface connector 1006 connected internally to the control system 1000 is a medium, and the RS-232C serial connector 1801, the extensible I / O connector 1802, the USB connector 1803, and the SDIO are connected. Connectors 1804, EAR / MIC Connectors 1805, LAN and

WAN Ethernet Connectors

1806, 1807 are provided.

Reference numeral 1808 denotes a power connection jack 1808 to which the power source 1700 of FIG. 6 is connected, 1809 and 1810 are two wireless

broadband modem antennas

1809 and 1810, and 1811 is a GPS antenna 1811.

In addition, in the exemplary embodiment of the present invention, the wireless broadband modem 1003 of FIG. 6 is connected to the USIM connector 1812 because it is operated based on wireless mobile communication. The reason why the USIM connector 1812 is provided is that the USIM card of the communication service provider must be inserted into a predetermined SIM card slot provided in the wireless broadband modem in order to use a data service such as the Internet.

Claims

In the control system of multiple sensor equipment for IoT communication and IoT,

An application processor 100 receiving information collected by a plurality of sensor devices and performing processing thereof;

An interface unit 110 for performing physical connection between the application processor 100 and a plurality of sensor devices 140, 150, and 160;

A wireless broadband modem unit (WWAN Modem) 120 for transferring the information collected and processed by the application processor unit 100 to another external thing through a wireless communication network;

A computer terminal (170) for authoring an application program for controlling the multiple sensor devices and uploading the application program to the application processor unit 100 through the interface unit 110; Control system of the sensor equipment, characterized in that configured to include.
The method of claim 1,

A WAN / LAN communication unit 130 for transferring the information collected and processed by the application processor unit 100 to another external thing through a wide area network (WAN) or a local area network (LAN); The control system of the sensor equipment, characterized in that further comprises.
The method of claim 1,

The interface method of the interface unit 110 is the control system of the sensor equipment, characterized in that determined according to the interface method of the sensor equipment.
The method of claim 1, wherein the application processor unit 100 is driven by an open operating system,

The operating system of the computer terminal 170 and the open operating system of the application processor unit 100 interoperate with each other, so that the computer terminal 170 can cross-compile an application program for controlling the sensor device. Control system of the sensor equipment, characterized in that.
The method of claim 4, wherein an application binary file generated as a result of cross-compilation of the computer terminal 170 is uploaded to the application processor unit 100 through the interface unit 110 and executed. Control system of sensor equipment.
The method of claim 5, wherein the application processor unit 100,

An operating system operating area 101 in which an open operating system is installed and executed, a communication means driving area 102 for controlling the WWAN modem 120, and an operating system driving area 101. And a hardware application layer 103 corresponding to a hardware portion of the communication means drive region 102, a peripheral device input / output module 104 which is an interface bus between the hardware application layer 103 and an external peripheral device, and a sensor device. Sensor device interface bus 105 for interlocking, and a communication means interface bus 106 for interlocking with the wireless broadband modem unit 120, the control system of the sensor equipment, characterized in that the configuration.
The method of claim 4, wherein

The application program developed in the computer terminal 170,

The control system of the sensor device, characterized in that a single application program for controlling a plurality of sensor devices at the same time.
The method of claim 3, wherein

The interface unit 110 includes an RS-232C serial connector 1801, an extension I / O connector 1802, a USB connector 1803, an SDIO connector 1804, an EAR / MIC connector 1805, and a LAN. And WAN Ethernet connectors (1806, 1807).