KR20140013649A - Monitoring system for physiological signals using bicycle - Google Patents

Abstract

The present invention relates to a system for monitoring physiological signals using a bicycle. The system for monitoring physiological signals using a bicycle comprises: a physiological signal sensor unit installed at one side of a handlebar provided on the bicycle to measure the physiological signals of a user touching the handlebar; a signal processing unit configured to amplify and filter the physiological signals measured by the physiological signal sensor unit; a converter unit configured to convert, into digital signals, the physiological signals processed by the signal processing unit; a wireless communication unit configured to transmit, to an external terminal, the digital signals converted by the converter unit; and a control unit configured to control the operation of each unit, wherein the control unit controls, if the converter unit converts, into digital signals, the physiological signals processed by the signal processing unit, the converter unit to convert the physiological signals into a hexadecimal format. As a result, provided is a technique capable of checking the physiological signals of a user using a bicycle in real time. According to the present invention, the physiological signals of the user can be monitored in real time during aerobic exercise using the bicycle, through the physiological signal sensor unit provided on the handlebar of the vehicle, thereby easily adjusting the amount of exercise, enabling to plan for exercise, and being used in connection with the external terminal. [Reference numerals] (100) Physiological signal sensor unit; (1000) Fingerprint input unit; (1100) Storage unit; (200) Signal processing unit; (300) Converter unit; (400) Wireless communication unit; (500) Control unit; (600) Power supply unit; (700) Voltage measurement sensor unit; (800) External terminal; (900) Detection sensor unit

Description

Biological signal monitoring system using bicycle {MONITORING SYSTEM FOR PHYSIOLOGICAL SIGNALS USING BICYCLE}

The present invention relates to a biological signal monitoring system using a bicycle.

In general, the bicycle is a popular means of transport has a driving method of forward forward by transmitting the driving force generated by the user directly pedals through the chain to the rear wheel, and the Republic of Korea Patent Publication No. 10-2007-0119115 and Utility Model Publication No. 20-0228488 suggested such a bicycle.

In recent years, bicycles have been widely used as aerobic exercise equipment for modern diets, but conventional bicycles are not equipped with means for measuring bio signals such as pulse and blood pressure of users who operate bicycles. There was no systematic aerobic exercise by state.

Accordingly, there is a demand for development of a technology for adjusting the amount of exercise according to a user's health state by checking a user's bio signal in real time during aerobic exercise using a bicycle.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a technology capable of checking a user's bio signal in real time.

In one aspect of the present invention, a biosignal monitoring system using a bicycle is provided at one side of a handle provided in a bicycle and measures a biosignal sensor of a user in contact with the handle; A signal processor for amplifying and filtering the biosignal measured by the biosignal sensor; A converter for converting the biosignal processed by the signal processor into a digital signal; A wireless communication unit transmitting the digital signal converted by the converter to an external terminal; And a control unit for controlling the operation of each unit; The controller may control the converter to convert the biosignal processed by the signal processor to the digital signal in hexadecimal format.

The hexadecimal format converted by the converter unit may include: a data start area into which start position information of the hexadecimal format is input; A packet length region containing information on the length of the data packet in hexadecimal format; An address information area into which address information to which the hexadecimal format is to be transmitted is input; A message area to which information about the type of the bio signal is input; A sensor data area in which a value of the bio signal measured by the bio signal sensor is input; A checksum area for determining an error of the hexadecimal format; And a data end area to which end position information of the hexadecimal format is input. . ≪ / RTI >

Here, the biosignal may be provided with at least one of skin temperature, pulse rate, blood pressure, and electrocardiogram of the user.

In addition, the bio-signal monitoring system using a bicycle power supply unit for supplying power to each unit under the control of the controller; And a voltage measuring sensor unit measuring a voltage of the power supply unit. The control unit may further include the controller to control the converter to convert the voltage value measured from the voltage measuring sensor to a hexadecimal format, and to control the converted hexadecimal format to be transmitted to the external terminal through the wireless communication unit. can do.

In addition, the external terminal may be provided as a portable terminal or a display unit equipped with a short-range wireless communication module that enables wireless connection with the wireless communication unit.

On the other hand, the bio-signal monitoring system using a bicycle sensor for detecting the speed and position of the bicycle; A fingerprint input unit configured to generate fingerprint data by sensing a fingerprint of a user in contact with the handle; And a storage unit storing the fingerprint data generated from the fingerprint input unit and the digital signal. The controller may further include a controller configured to store the digital signal for each fingerprint data stored in the storage.

The storage unit stores reference values of skin temperature, pulse rate, blood pressure, and electrocardiogram of the user for each of the fingerprint data, and the controller stores the external values when the digital signal stored in the storage unit exceeds the range of the reference value. It can be controlled to output a warning message to the terminal.

In addition, when the portable terminal outputs the warning message, the controller controls the mobile terminal to search for and output the medical institution information existing at the current location detected by the sensor through the wireless network supported by the portable terminal. The warning message may be transmitted to a phone number stored in the terminal.

The present invention has the following effects.

First, the bio-signal of the user is monitored in real time during the aerobic exercise using the bicycle through a bio-signal sensor unit installed on the handle of the bicycle, it is easy to control the amount of exercise and has the effect that can be planned exercise.

Second, the biosignal measured by the biosignal sensor is converted into a hexadecimal format by the controller and wirelessly transmitted to an external terminal, so that the biosignal can be used in conjunction with an external terminal.

1 shows a block diagram according to an embodiment of the present invention.
2 illustrates a bicycle according to an embodiment of the present invention.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for simplicity of explanation.

The biosignal monitoring system 10 using the bicycle according to the present invention includes a biosignal sensor 100, a signal processor 200, a converter 300, a wireless communication unit 400, a control unit 500, and a power supply unit 600. ), A voltage measuring sensor unit 700, an external terminal 800, a detection sensor unit 900, a fingerprint input unit 1000, and a storage unit 1100, which are described with reference to FIGS. 1 to 2. Will be explained.

The biosignal sensor unit 100 is installed at one side of the handle provided in the bicycle. When the user rides on the bicycle and grips the handle of the bicycle, the biosignal sensor unit 100 is in natural contact with the skin of the user, and measures the biosignal of the user during the contacted time.

The biosignal sensor unit 100 may be formed at an upper side or a side of the bicycle handle, and as shown in FIG. 2, a finger end is easily provided to the biosignal sensor unit 100 when the user grips the handle of the bicycle. At least one is preferably disposed in the lower portion of the handle of the bicycle so as to make contact.

In addition, when the biosignal sensor unit 100 is located under the handle of the bicycle, it is possible to prevent the biosignal sensor unit 100 from being damaged by external environmental changes such as rainfall.

The biological signal of the user measured in one embodiment of the present invention includes at least one of skin temperature, pulse rate, blood pressure and electrocardiogram of the user, and according to the type of the biosignal to be measured, Types can also be subdivided into many.

That is, the biosignal sensor 100 detects the intensity of the blood flow flowing in the user's finger in contact with the handle of the electrocardiogram (ECG), an electrocardiogram electrode sensor for measuring the electrocardiogram (ECG), a skin temperature, and the handle of the bicycle. At least one of a photo-plethysmogram (PPG) sensor, a blood pressure measurement sensor for detecting the.

The signal processor 200 amplifies and filters the biosignals measured by the biosignal sensor 100. Since the biosignal measured by the biosignal sensor 100 is an analog electric signal of low power, an analog signal processing process for calculating, amplifying, and filtering the biosignal in the signal processor 200 is required.

The converter 300 converts the analog signal processed by the signal processor 200 into a digital signal capable of wireless transmission.

The wireless communication unit 400 transmits the digital signal converted by the converter 300 to the external terminal 800. In an embodiment of the present invention, the external terminal 800 may be a portable terminal or a display unit equipped with a short range wireless communication module that enables wireless connection with the wireless communication unit 400.

The wireless communication unit 400 performs wireless data communication between the wireless communication unit 400 and the external terminal 800 under the control of the control unit 500. In one embodiment, the wireless communication unit 400 and the external terminal 800 are performed. The short-range wireless communication method may be a Bluetooth transmission method.

The power supply unit 600 is a power device for supplying power to each component constituting the biological signal monitoring system 10 using a bicycle. The voltage measuring sensor unit 700 is connected to one side of the power supply unit 600 to measure the voltage of the power supply unit 600 in real time.

On the other hand, the other side of the power supply unit 600 is connected to the self-generation unit (not shown), the power generated from the self-generation unit is supplied to the power supply unit 600. That is, when the bicycle wheel is rotated by the user, the self-generation unit converts the kinetic energy of the bicycle wheel into electrical energy to supply power to the power supply unit 600.

The control unit 500 controls the operation of each unit by supplying power to each unit by controlling the power supply unit 600 when an operation signal is input through a separate operation switch (not shown) provided on one side of the bicycle.

At this time, the voltage value measured from the voltage measuring sensor unit 700 is amplified and filtered through a separate signal processing unit (not shown), and the signal processed voltage value is converted into a digital signal by the converter unit 300. Here, the control unit 500 controls the converter unit 300 to convert the voltage value measured from the voltage measuring sensor unit 700 to the hexadecimal format, and the converted hexadecimal format is externally transmitted through the wireless communication unit 400. Control to be transmitted to the terminal 800.

Similarly, the controller 500 controls the biosignal processed by the signal processor 200 to be converted into a digital signal having a hexadecimal format when the biosignal is converted into a digital signal in the converter 300.

That is, under the control of the controller 500, the hexadecimal format of the digital signal converted by the converter 300 is composed of hex data, and each hex data is inputted with start position information of the hexadecimal format. A data start area, a packet length area containing information on the length of a data packet in hexadecimal format, an address information area in which address information to be transmitted in hexadecimal format is input, a message area in which information on the type of the biosignal is input, and a biometric And a sensor data area into which the value of the bio signal measured by the signal sensor unit 100 is input, a checksum area for determining an error in hexadecimal format, and a data end area into which end position information in hexadecimal format is input. The basic structure of the digital signal data frame in the decimal format is shown in Table 1 below.

Byte Index Description Value Unit One Data start area 0x00-0xFF N / A 2 & 3 Packet length region 0x0000-0xFFFF N / A 4 & 5 Address information area 0x0000-0xFFFF N / A 6 Message area 0x01-skin temperature, power supply voltage
0x02-blood pressure, pulse
0x03-ECG N / A 7 Sensor data area 0x00-0xFFFF 8 Checksum Area (XOR) 0x00-0xFF N / A 9 Data exit area 0x00-0xFF N / A

In one embodiment, the skin temperature measured by the temperature sensor and the voltage values of the power supply unit 600 measured through the voltage measuring sensor 700 among the types of the biosignal sensor 100 are as shown in Table 2 below. The data frame may be formed in a data frame structure and may be transmitted to an external terminal 800 through the wireless communication unit 400 under the control of the controller 500.

Byte Index Description Value Unit One Data start area 0x00-0xFF N / A 2 & 3 Packet length region 0x0000-0xFFFF N / A 4 & 5 Address information area 0x0000-0xFFFF N / A 6 Types of biological signals 0x01-skin temperature, power supply voltage N / A 7 & 8 Skin temperature readings 0x0000-0xFFFF 0.01 ℃ 9 Power Supply Voltage Figure 0x00-0xFF 1-255 V 10 Checksum Area (XOR) 0x00-0xFF N / A 11 Data exit area 0x00-0xFF N / A

In another embodiment, the blood pressure value measured by the user through the blood pressure measurement sensor and the pulse value measured by the optical volume pulse wave sensor of the type of the bio-signal sensor 100 has a data frame structure as shown in Table 3 below. The formed data frame may be wirelessly transmitted to an external terminal 800 under the control of the controller 500.

Byte Index Description Value Unit One Data start area 0x00-0xFF N / A 2 & 3 Packet length region 0x0000-0xFFFF N / A 4 & 5 Address information area 0x0000-0xFFFF N / A 6 Types of biological signals 0x02-blood pressure, pulse N / A 7 & 8 Blood pressure readings 0x0000-0xFFFF mmHg 9 Pulse figures 0x00-0xFF bpm 10 Checksum Area (XOR) 0x00-0xFF N / A 11 Data exit area 0x00-0xFF N / A

In another embodiment, the electrocardiogram data measured by the electrocardiogram electrode sensor among the types of the biosignal sensor unit 100 is formed in a data frame structure as shown in Table 4 below, and the formed data frame is like other data. It may be wirelessly transmitted to an external terminal 800.

Byte Index Description Value Unit One Data start area 0x00-0xFF N / A 2 & 3 Packet length region 0x0000-0xFFFF N / A 4 & 5 Address information area 0x0000-0xFFFF N / A 6 Types of biological signals 0x03-ECG N / A 7 + N ECG data 0x00-0xFF N / A N + 1 Checksum Area (XOR) 0x00-0xFF N / A N + 2 Data exit area 0x00-0xFF N / A

The sensor 900 is mounted on one side of the bicycle, and detects the driving speed and position of the bicycle. That is, the sensor 900 includes a speed sensor for detecting the rotational speed of the bicycle wheel and a GPS module for receiving the current position information of the bicycle from the GPS satellites.

The fingerprint input unit 1000 is provided at one side of the handle of the bicycle, and generates fingerprint data by sensing a fingerprint of a contacted user. The storage unit 1100 stores the fingerprint data generated from the fingerprint input unit 1000, and stores the digital signal converted by the converter 300.

In this case, the control unit 500 controls the storage unit 1100 to store the digital signal for each fingerprint data of each user stored in the storage unit 1100, thereby managing the biosignal data for each user who rides the bicycle. The user can check his / her biosignal change according to the driving speed of the bicycle.

Meanwhile, the storage unit 1100 may store reference values of skin temperature, pulse rate, blood pressure, and electrocardiogram for each user's fingerprint data, and the control unit 500 may store a range of reference values in which digital signals stored in the storage unit 1100 are stored in advance. When exceeding, the external terminal 800 may be controlled to output a warning message.

In addition, when the portable terminal of the external terminal 800 outputs a warning message, the controller 500 may include a hospital or a pharmacy existing at a current location detected by the sensor 900 through a wireless network supported by the portable terminal. It is possible to control to retrieve the location information of the medical institution, such as to output on the screen of the portable terminal, and to automatically transmit a warning message to the phone number stored in the portable terminal.

If the user's biosignal exceeds each reference value stored in the storage unit 1100, the controller 500 searches for and outputs emergency measures for skin temperature, pulse rate, blood pressure, and electrocardiogram through the wireless network of the portable terminal. Can be controlled.

Next, in the present invention having the configuration as described above, a series of processes for measuring the bio-signal of the user riding on the bicycle and transmitting the measurement value to the external terminal 800 will be described.

First, when the operation signal is input through the operation switch, the control unit 500 controls the power supply unit 600 to supply power to each unit. Each biosignal sensor unit 100 located on the handle of the bicycle is naturally contacted with the user's hand holding the handle, thereby measuring the electrocardiogram, skin temperature, pulse rate, blood pressure, etc. of the user that is changed in real time during the bicycle exercise.

The biosignal values measured by the biosignal sensor units 100 are amplified and filtered by the signal processor 200 under the control of the controller 500, and are converted into digital signals having a hexadecimal format by the converter unit 300. Is converted.

Thereafter, the converted digital signal is transmitted to the external terminal 800 through the wireless communication unit 400. Here, the wireless communication unit 400 searches for a terminal located within the radio wave reaching range of the wireless communication unit 400 to connect with the external terminal 800, and transmits a pairing packet for synchronizing with the searched terminal.

When the external terminal 800 receiving the packet transmitted from the wireless communication unit 400 transmits the pairing response packet to the wireless communication unit 400, the connection between the two devices is completed, and the wireless communication unit 400 is connected to the external terminal ( And transmit the converted digital signal.

Therefore, the user who rides the bicycle can check his / her biological signal value and the current battery level of the power supply unit 600 in real time through the screen of the smartphone or display unit on which the short range wireless communication module is mounted.

On the other hand, the smart phone or display unit that is an external terminal 800 is preferably provided with a code conversion unit (not shown) for converting the digital signal received from the wireless communication unit 400 in the form of a code that can be confirmed by the user.

Conventional bio-signal measuring means is cumbersome because it must be carried or worn separately on the user's body, while the bio-signal monitoring system according to the present invention has a bio-signal sensor unit 100 installed below the handle of the bicycle to hold the handle of the user. The bio signal can be measured naturally, and the measured bio signal is converted into a hexadecimal format and transmitted to a smartphone or a display unit in real time, so that it can be monitored at any time during a bicycle exercise.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. And the scope of the present invention should be understood as the following claims and their equivalents.

10: Biological signal monitoring system using bicycle
100: biosignal sensor unit
200: Signal processor
300: converter section
400: wireless communication unit
500:
600: power supply
700: voltage measurement sensor
800: external terminal
900: sensor unit
1000: fingerprint input unit
1100: storage unit

Claims (8)

A biosignal sensor unit installed at one side of a handle provided in the bicycle and measuring a biosignal of a user in contact with the handle;
A signal processor for amplifying and filtering the biosignal measured by the biosignal sensor;
A converter for converting the biosignal processed by the signal processor into a digital signal;
A wireless communication unit transmitting the digital signal converted by the converter to an external terminal; And
A control unit controlling the operation of each unit; Lt; / RTI >
The controller controls the converter to convert the biosignal processed by the signal processor to the hexadecimal format when the biosignal is converted into the digital signal.
Biological signal monitoring system using a bicycle. The method of claim 1,
The hexadecimal format converted by the converter section is
A data start area to which start position information of the hexadecimal format is input;
A packet length region containing information on the length of the data packet in hexadecimal format;
An address information area into which address information to which the hexadecimal format is to be transmitted is input;
A message area to which information about the type of the bio signal is input;
A sensor data area in which a value of the bio signal measured by the bio signal sensor is input;
A checksum area for determining an error of the hexadecimal format; And
A data end region to which end position information of the hexadecimal format is input; ≪ RTI ID = 0.0 >
Biological signal monitoring system using a bicycle. 3. The method of claim 2,
The biosignal is at least one of skin temperature, pulse rate, blood pressure, and electrocardiogram of the user.
Biological signal monitoring system using a bicycle. The method of claim 3,
Biological signal monitoring system using the bicycle
A power supply unit supplying power to each unit under the control of the controller; And
A voltage measuring sensor unit measuring a voltage of the power supply unit; Further comprising:
The control unit controls the converter to convert the voltage value measured from the voltage measuring sensor unit into a hexadecimal format, and controls the converted hexadecimal format to be transmitted to the external terminal through the wireless communication unit.
Biological signal monitoring system using a bicycle. 5. The method of claim 4,
The external terminal may be a portable terminal or a display unit equipped with a short-range wireless communication module that enables wireless connection with the wireless communication unit.
Biological signal monitoring system using a bicycle. The method of claim 1,
Biological signal monitoring system using the bicycle
A detection sensor unit detecting a driving speed and a position of the bicycle;
A fingerprint input unit configured to generate fingerprint data by sensing a fingerprint of a user in contact with the handle; And
A storage unit storing the fingerprint data generated from the fingerprint input unit and the digital signal; Further comprising:
The control unit controls the storage unit to store the digital signal for each fingerprint data stored in the storage unit.
Biological signal monitoring system using a bicycle. The method of claim 3,
The storage unit stores reference values of a user's skin temperature, pulse rate, blood pressure, and electrocardiogram for each fingerprint data, and the controller controls the external terminal when the digital signal stored in the storage unit exceeds a range of the reference value. Characterized in that the control to output a warning message
Biological signal monitoring system using a bicycle. 8. The method of claim 7,
When the portable terminal outputs the warning message, the controller controls the mobile terminal to search for and output the medical institution information existing at the current location detected by the sensor through the wireless network supported by the portable terminal. Characterized in that the control to transmit the warning message to the phone number stored in the
Biological signal monitoring system using a bicycle.

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