KR101565836B1 - Device for analyzing of sensor signals having study function - Google Patents

Abstract

The present invention relates to a sensor signal analyzing apparatus with a learning function, which comprises: a breadboard configured to output a sensor signal from a sensor by passing through a design circuit; a display means displaying and outputting analytical information on the sensor signal; a plurality of sensor access ports for receiving the sensor signal from the sensor; and a sensor signal processing unit displaying and outputting the sensor signal through the display means by analyzing the sensor signal.

Description

TECHNICAL FIELD [0001] The present invention relates to a sensor signal analyzing apparatus having a learning function,

The present invention relates to a sensor signal analyzer having a learning function that not only provides analysis information on various sensor signals but also allows a learner to directly design and learn sensor related circuits and analysis programs.

A sensor is a device collecting data (information) directly from a subject to be measured or coming close to it and collecting necessary information (information) as a signal, and detects the physical amount or change of heat, light, temperature, Or to distinguish and measure it and to inform it with a constant signal.

The above-described sensor can measure numerical values that can not be measured by human senses, and is used in various fields such as a work machine with a high risk. Such sensors include temperature sensors, pressure sensors, flow sensors, magnetic sensors, optical sensors, acoustic sensors, taste sensors, and olfactory sensors. An example of a simple sensor is a traffic card when a car enters a highway, a fire detector in a classroom, an automatic blinking light on a porch, or a streetlight that turns on when it gets dark.

In particular, recently, we have developed sensors for detecting human vital signs in order to prevent or heal diseases caused by various causes such as an increase in aged population due to rapid aging society, increase in stress in daily life and social life Has been used.

Meanwhile, the sensor outputs the sensed signal in an analog form, and it is also required to analyze the information about the sensor signal and display it or output it to an external device.

However, the conventional sensor signal analyzing apparatus is provided with only analyzing information on a sensor signal in one field. It is inconvenient for a learner or a developer who wants to acquire sensor related information to be provided with a sensor signal analyzing apparatus for the relevant field .

In addition, the conventional sensor signal analyzing device provides only analysis information on the sensor signal to a learner or a developer who wants to acquire sensor related information, which limits learning.

In recent years, considering that a user or an administrator has a communication terminal device having various communication interfaces, a communication function with various kinds of external devices may be required to provide usability of the sensor signal analyzing device.

1. Korean Patent No. 1187044 (entitled " Sensor Signal Processing System and Signal Processing Method Implementing Data Compression via Two-Step Schedules) 2. Korean Unexamined Patent Publication No. 2007-0034805 (entitled " Multi-Sensor Integrated Management System for Structure Measurement)

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances and provides a sensor signal analyzing apparatus having a learning function that can provide analysis information on sensor signals in various fields through a single device .

In addition, the present invention enables a learner who studies a sensor field to directly design and practice a sensor-related circuit and an analysis program, thereby providing a learning function that allows a learner to provide a learning effect in a form that can be practiced There is another technical purpose in providing a sensor signal analyzing device.

It is another object of the present invention to provide a sensor signal analyzing apparatus having a learning function that enables sensor signals to be provided to different types of external devices through various types of communication interfaces.

According to an aspect of the present invention, there is provided an A / D conversion circuit for A / D-converting a sensor signal provided from a sensor, which is formed on an upper surface of a case, A display unit configured to display analytical information on a sensor signal while being formed on an upper surface of the case, and to output a sensor signal formed on a side of the case and provided from the sensor, And sensor signal processing means provided on the inside of the case for analyzing sensor signals provided from the sensor connection port or the breadboard and outputting the analyzed signals through the display means, And the sensor signal processing means A / D-converts the sensor signal provided from the sensor connection port And a control unit, wherein the control unit has a plurality of sensor signal input terminals, one of the sensor signal input terminals is configured to be coupled to the breadboard, The sensor signal input terminal except for the sensor signal input terminal to which the board is coupled is configured to be coupled to the A / D converter, and the sensor signal input terminal is connected to the A / D converter through the design circuit implemented in the breadboard, And analyzing the provided sensor signal and outputting the analyzed sensor signal to the display means.

The sensor signal processing unit may further include a plurality of communication means formed on a side surface of the case for transmitting and receiving sensor signal related information to and from an external device, A sensor signal analyzing apparatus having a learning function is provided.

Also, in the sensor signal processing means, the control unit may include a FPGA for storing a sensor signal analysis program, so that the sensor signal provided from the A / D conversion unit or the sensor signal provided via the design circuit configured on the breadboard, The sensor analysis program according to the updated sensor signal analysis program is executed by analyzing the analysis program stored in the FPGA and updating the sensor signal analysis program provided from the external device through the communication means in the FPGA A sensor signal analyzing apparatus having a learning function is provided.

In addition, the sensor coupled to the sensor connection port may be a first sensor for sensing a bio-related signal including at least one of electrocardiogram, electromyogram, pulse wave and blood pressure, or may include at least one of strain intensity, temperature, And a second sensor for sensing a machine or an environment related signal.

The sensor signal measuring means may further comprise a plurality of amplifiers configured to correspond one-to-one to the sensor connection ports, amplify the sensor signals inputted thereto, and output the amplified sensor signals to the A / D converter, The converter converts the sensor signal for each sensor connection port provided from each of the amplifiers into a digital signal and outputs the digital signal to the controller. The controller controls the A / D converter and the sensor for sensor signals provided from the breadboard, And outputting analysis information to the sensor signal analyzing device.

Further, a sensor signal analyzer having a learning function is further provided between the amplifier and the A / D converter, further comprising an isolator for directionally outputting the amplified sensor signal to the A / D converter.

According to the present invention, it is possible to provide analytical information on sensor signals in various fields while being portable, and it is also possible to provide sensor signal analysis information to various types of external devices.

In addition, the sensor-related learner can learn the sensor-related circuit design using the breadboard, and can perform the analysis execution processing by updating the analysis program directly designed through the FPGA, thereby enabling various analysis programming learning.

1 is a configuration diagram of a sensor signal analyzing apparatus having a learning function according to a first embodiment of the present invention;
2 is a diagram illustrating an outer shape of a sensor signal analyzing apparatus having the learning function shown in FIG. 1;
FIG. 3 is a block diagram showing the internal structure of the sensor signal processing means 600 shown in FIG. 1 functionally separated. FIG.
FIG. 4 illustrates sensor signal analysis information displayed through the display means 300 shown in FIG. 1; FIG.

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

FIG. 1 is a configuration diagram of a sensor signal analyzing apparatus having a learning function according to a first embodiment of the present invention, and FIG. 2 is a diagram illustrating an outer shape of the sensor signal analyzing apparatus.

1, a sensor signal analyzing apparatus having a learning function according to a first embodiment of the present invention includes a breadboard 100, a sensor connection port 200, a display means 300, An input unit 400, a communication unit 500, a sensor signal processing unit 600, and a power unit 700.

Here, the sensor 1 according to the present invention may include various types of devices for providing a sensor signal, and may be preferably a sensor for sensing signals in various fields. For example, the sensor 1 may include first sensors for sensing a body-related signal of a human body including electrocardiogram, electromyogram, pulse wave and blood pressure, Second sensors for sensing a related signal, or a sensor signal simulator.

 The external device 2 according to the present invention may be a user terminal, an administrator terminal, a management server, or a separate system requiring a corresponding sensor signal. The external device 2 may receive sensor signal related information Lt; / RTI >

Here, the external device 2 may be provided with a program for providing a user with a basic tool (TOOL) for designing a sensor-related circuit or analysis program, and may provide the user with an analysis program programmed by the user, Signal analyzer. For example, the program tool provided for a user may be a LabVIEW-based program source. The LabVIEW program is a control instrumentation language created by National Instruments. It is also called a virtual instrument because it can be viewed as a real device on a computer. It is also called a text-based programming language such as Basic or C-language. It is also referred to as a graphical programming language because it is intended to be programmed to create a diagram. In the LabVIEW program, the order in which programming is performed follows the flow of data, and various functions are provided to control various devices and process data transmitted from the devices.

1, the breadboard 100 is designed for a user to directly design an electronic device (not shown) by directly inserting an electronic device (not shown), and a circuit constituted by the breadboard 100 basically includes a signal line (Not shown) is provided to the sensor signal processing means 600 via a design circuit. At this time, the design circuit included in the breadboard 100 includes an A / D conversion circuit, and an amplifying circuit may be added. In addition, the breadboard 100 is formed on the upper surface of the case C as shown in Fig. That is, when a user wishes to conduct a circuit design exercise using the breadboard 100, he / she can cover the signal line of the sensor and directly connect the sensor board to the breadboard 100 and then connect the A / D converter circuit The circuit design practice is implemented by implementing a design circuit on the breadboard 100 and placing the output line of the design circuit in a predetermined position on the breadboard 100 connected to the sensor signal processing means 600 can do.

The sensor connection port 200 is coupled through a connector (not shown) of the sensor 1 and provides an analog type sensor signal provided from the sensor 1 to the sensor signal processing means 600. At this time, the sensor connection port 110 is formed on the side surface of the case C as shown in FIG. Also, the sensor connection port 110 is formed in a plurality of different port shapes corresponding to various sensor (1) connectors. That is, the user can connect the sensor to the sensor connection port 200 and confirm the analysis information on the sensor through the display means 300.

The display means 300 displays and outputs analysis information about a signal provided from the sensor 1 coupled to the apparatus as a display panel. For example, the display means 300 may display and output sensor signal analysis information in the form of a graph, as shown in FIG. At this time, the display means 300 is formed on the upper surface of the case C as shown in Fig. 2, and more specifically on the upper surface of the upper surface.

The information input means 400 is for receiving information input by the user for setting the status and various functions of the apparatus. At this time, the information input means 400 may be configured in the form of a touch panel on the display means 300. It can also be configured as a function button. For example, although not shown, a WIFI button for WIFI setting may be provided on one side of the case (C).

The communication means 500 is for communicating with the external device 2 and comprises a wireless communication interface module and a wired communication interface module. For example, the communication unit 500 includes a wireless interface module for performing WIFI wireless communication, and a wired interface module including a USB port, an SPI / RS232 port, and a DIO port. Here, although not shown, the wireless interface module includes an antenna for wireless signal transmission / reception. Further, the communication means 500 is formed on the side surface of the case C as shown in Fig.

The sensor signal processing means 600 basically generates an analysis signal corresponding to the sensor signal provided from the sensor connection port 200 or the breadboard 100 and outputs the analysis signal through the display means 300, , And is configured to be provided as the external device (2) through the communication means (500).

The sensor signal processing means 600 is configured to receive and change a sensor signal analysis program corresponding to the target sensor 1 from the external device 2 via the communication means 500. At this time, the sensor signal analysis program is composed of an FPGA (Field Programmable Gate Array) which can be arbitrarily changed by a user.

The power supply unit 700 supplies a supply voltage Vcc of, for example, 12V to each of the devices. At this time, the power supply unit 700 may be provided with an internal battery to provide external power supply through an external power supply port (not shown) as a power supply or to provide portability of the apparatus. In addition, the power supply unit 700 may be further provided with a charging means for ensuring the portability of the device.

In addition, although not shown, a voice input / output means composed of a microphone and a speaker may be additionally provided to output voice guidance information or status information according to the present invention.

3 is a block diagram showing the internal structure of the sensor signal processing means 600 shown in FIG. 1 functionally separated.

3, the sensor signal processing unit 600 includes an amplification unit 610, an isolator 620, an A / D conversion unit 630, and a control unit 640.

The amplification unit 610 amplifies the sensor signal provided from the sensor connection port 200 to a predetermined level and outputs the amplified signal. At this time, the amplification unit 610 may correspond to the sensor connection port 200 in a one-to-one correspondence. For example, in FIG. 3, the first to third amplification units 611, 612, and 613 corresponding to the three sensor connection ports 200 are illustrated. In the case of implementing a single device, considering that the sensor connection ports 200 are arranged on one side of the case C so as to be spaced apart from each other, the amplification process for the sensor signals provided from the sensor connection port 200 So as to facilitate the disposition of the portion 610.

The isolator 620 outputs the sensor signals inputted from the amplification unit 610 so as to have directionality and outputs the amplified sensor signals provided from the amplification unit 610 to the A / D conversion unit 630, . This is to prevent a current flowing into the human body due to an overcurrent when the sensor 1 is a living body signal detection sensor connected to a human body or the like. In addition, the isolator 620 outputs the sensor signals provided from the amplification unit 610 in parallel for each sensor connection port.

The A / D converter 630 converts each analog sensor signal provided from the isolator 620 into a digital signal, and provides the signal to the controller 640. At this time, the A / D converter 630 outputs the A / D converted sensor signals for each sensor connection port so as to correspond to the sensor connection port.

The controller 640 may include a plurality of sensor signal input terminals for receiving the sensor signal, and one of the terminals may be an empty terminal coupled to the breadboard And the remaining terminals are coupled to output terminals of the A / D converter 630 for each sensor connection port. At this time, the breadboard 100 is provided to a sensor signal input terminal of the control unit 640 via a design circuit including an A / D conversion circuit for A / D-converting a sensor signal provided from a sensor, The sensor signal provided from the connection port 200 is provided to the sensor signal input terminal of the controller 640 via the amplifier 610, the isolator 620 and the A / D converter 630 for each sensor connection port . That is, when the user wants to check the analysis signal of the sensor, he / she checks the analytical information outputted through the display means 300 after connecting the sensor to the sensor connection port 200, The circuit designing exercise can be performed by designing the circuit on the breadboard 100, combining the design circuit and the sensor, and confirming the information output through the display means 300 on the circuit.

The controller 640 includes an FPGA 641 for an analysis program and updates the FPGA 641 using an analysis program for a sensor signal provided through the communication unit 500. In addition, And is configured to perform analysis processing on the sensor signal according to the analysis program of the FPGA 641. [ That is, the user can directly design the analysis program, and then apply the analysis program designed by himself / herself to the FPGA 641 to perform analytical programming learning on the sensor signal to be learned.

Also, the controller 640 may be configured to include a plurality of FPGAs 641. At this time, the controller 640 may be configured to perform analysis processing on the sensor signal according to the analysis program of the FPGA 641 corresponding to the sensor connection port 200. [ For example, the sensor signal analysis information according to the analysis program of the first FPGA 641 can be generated for the sensor signal provided from the first sensor connection port 200.

The control unit 640 displays the analyzed sensor analysis information analyzed by the analysis program of the FPGA 641 on the display unit 300 and outputs the analyzed sensor analysis information to the external device 2 through the communication unit 500 to provide. At this time, the controller 640 provides corresponding sensor analysis information to the communication unit 500 in a state in which communication is currently established. For example, the control unit 640 provides a sensor analysis signal using a WIFI wireless interface when a WiFi button is input, and transmits a sensor analysis signal to an RS232 port when the RS232 port is connected to provide.

FIG. 4 is a diagram illustrating sensor analysis information output to the display unit 300 or the external device 2, and shows an output screen for the biometric sensor.

4 (A) is a screen for outputting EMG-related analysis information through an EMG sensor, which is attached to the surface of the skin and measured by non-invasive method. The EMG sensor may be composed of a sensor for two-channel surface EMG consisting of a measurement electrode and a reference electrode.

4, (B) is an ECG-related analysis information output screen through an electrocardiogram (ECG) sensor, which is generated on the basis of a weak electrical signal that reflects the electrical activity level of the heart that can be measured on the body surface, P, QRS, T.

In FIG. 4, (C) is a pulse wave analysis information output screen through an oxygen saturation (SpO2) sensor, and information on capillary blood flow is analyzed and output.

In FIG. 4 (D), the maximum blood pressure, the lowest blood pressure, and the heart rate are analyzed and outputted by the blood pressure-related analysis information output screen through the narrow-band sensor.

That is, according to the embodiment, it is possible to provide sensor signal analysis information for various sensors while being portable, and it is also possible to provide sensor signal analysis information to various types of external devices through various communication methods .

Further, the sensor-related learner can confirm the source information provided through the external device coupled through the communication means and design the sensor-related circuit directly on the breadboard, The FPGA analysis program can be directly designed using the program tool and provided to the sensor signal analyzer and executed. Thus, it is possible to design various types of analysis programs desired by the learner and to learn programming thereon.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications and variations without departing from the spirit and scope of the invention. Accordingly, the scope of the appended claims should include all such modifications and changes as fall within the scope of the present invention.

100: breadboard, 200: sensor connection port,
300: display means, 400: information input means,
500: communication means, 600: sensor signal processing means,
610: amplification unit, 620: isolator,
630 A / D conversion unit, 640 control unit,
611, 612, 613: amplifier, 641: FPGA,
1: Sensor, 2: External device.

Claims (6)

And is configured to output a design circuit through the design circuit including an A / D conversion circuit for A / D-converting the sensor signal provided from the sensor, which is formed on the upper surface of the case, Wow,
Display means for displaying and outputting analysis information on the sensor signal while being formed on the upper surface of the case,
A plurality of sensor connection ports formed on a side surface of the case to receive sensor signals provided from the sensors,
And sensor signal processing means provided inside the case for analyzing the sensor signal provided from the sensor connection port or the breadboard and outputting the analyzed signal through the display means,
Wherein the sensor signal processing means comprises an A / D converter for performing A / D conversion on a sensor signal provided from the sensor connection port, and a controller, wherein the controller includes a plurality of sensor signal input terminals, One of the sensor signal input terminals is configured to be coupled to the breadboard, and the sensor signal input terminals other than the sensor signal input terminal coupled to the breadboard are coupled to the A / D converter, Wherein the analyzing unit analyzes the sensor signal provided through the designing circuit implemented in the A / D converting unit or the sensor signal provided from the A / D converting unit, and outputs the analyzed signal to the display unit. The method according to claim 1,
And a plurality of communication means formed on a side surface of the case for transmitting / receiving sensor signal related information to / from an external device,
Wherein the sensor signal processing means is configured to provide the sensor signal analysis information to each communication means. 3. The method of claim 2,
In the sensor signal processing means, the control unit may include a FPGA for storing a sensor signal analysis program, and the sensor signal provided from the A / D conversion unit or the sensor signal provided via the design circuit configured on the breadboard may be transmitted to the FPGA Analyzing the received signal analysis program according to a stored analysis program and updating the sensor signal analysis program provided from an external device through the communication means in the FPGA to perform a sensor analysis process according to the updated sensor signal analysis program Sensor signal analyzer with learning function. The method according to claim 1,
Wherein the sensor coupled to the sensor connection port is a first sensor for sensing a bio-related signal including at least one of electrocardiogram, electromyogram, pulse wave and blood pressure,
Wherein the second sensor is a second sensor for sensing a machine or environment related signal including at least one of strain intensity, temperature, pressure, and motor. The method according to claim 1,
Wherein the sensor signal measuring means further comprises a plurality of amplifiers configured to correspond one-to-one to the sensor connection ports, amplifying the input sensor signals and outputting the amplified sensor signals to the A / D converter,
Wherein the A / D converter converts the sensor signals of the sensor connection ports provided from the amplifiers into digital signals and outputs the digital signals to the controller,
Wherein the controller is configured to output sensor analysis information on sensor signals provided from the A / D converter and the breadboard. 6. The method of claim 5,
Further comprising an isolator for directing the amplified sensor signal to the A / D converter between the amplifier and the A / D converter.

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