CN211719008U - BCG signal monitoring early warning device based on Bluetooth technology - Google Patents
BCG signal monitoring early warning device based on Bluetooth technology Download PDFInfo
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- CN211719008U CN211719008U CN201922408753.7U CN201922408753U CN211719008U CN 211719008 U CN211719008 U CN 211719008U CN 201922408753 U CN201922408753 U CN 201922408753U CN 211719008 U CN211719008 U CN 211719008U
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Abstract
The utility model belongs to the technical field of the wisdom medical treatment, a BCG signal monitoring precaution device based on bluetooth is disclosed, including power supply circuit (1), BCG circuit (2), MCU circuit (3), bluetooth circuit (4). The utility model provides a novel BCG signal real-time supervision early warning ware based on bluetooth transmission technology, it uses the BCG method to carry out real-time supervision to human cardiovascular system, can not obtain the heart activity condition under the condition of detection state is experienced to the experimenter, uses for a long time and can not cause psychological burden to the experimenter. BCG contains a large amount of useful heart physiological information and can effectively assist doctors in diagnosing and analyzing various cardiovascular diseases. The BCG signal can be transmitted to the computer, the mobile phone, the iPAD and other equipment in a wireless mode by adopting the Bluetooth communication method, so that the BCG signal can be further analyzed and processed, the heart hidden danger can be found in time, and early warning can be given out.
Description
Technical Field
The utility model relates to an wisdom medical treatment technical field specifically is a BCG signal monitoring precaution device based on bluetooth.
Background
Bluetooth is a short-range wireless communication technology, can implement data and voice communication between fixed equipment and mobile equipment, has become a standard interface in the current mobile communication field, and has wide application in many fields.
The ballistocardiogram is used for recording the change of the heart pump blood through the change of the physical stress of the close contact with the human body, and BCG signals reflect the working condition of a cardiovascular system in real time and can be conveniently obtained without attaching a sensor to the human body.
The signal real-time monitoring early warning device is used for monitoring the cardiovascular system of a human body in real time through a BCG detection method, can obtain the heart activity condition under the condition that a testee cannot feel the detection state, and cannot cause psychological burden to the testee after long-term use. BCG contains a large amount of useful heart physiological information and can effectively assist doctors in diagnosing and analyzing various cardiovascular diseases.
Many noninvasive cardiac function detection methods commonly used in clinic include Electrocardiogram (ECG), flat-panel motion test (TET), heart color Doppler Ultrasound (UCG), etc., which do not cause trauma to human body, but require close contact between electrodes or cardiac probes and human body, which brings great inconvenience and psychological stress to the person to be detected. Moreover, due to the stimulation effect of the electrode on the human body, the electrode is not suitable for long-time use, and local skin itch and even ulceration can be caused by long-time electrode pasting. Therefore, these methods for detecting cardiac function are not suitable for home and daily heart monitoring.
Disclosure of Invention
An object of the utility model is to provide a novel BCG signal real-time supervision early warning ware based on bluetooth transmission technology, it uses the BCG method to carry out real-time supervision to human cardiovascular system, can not obtain the heart activity condition under the condition of detection state is experienced to the testee, uses for a long time can not cause psychological burden to the testee. BCG contains a large amount of useful heart physiological information and can effectively assist doctors in diagnosing and analyzing various cardiovascular diseases. The BCG signal can be transmitted to the computer, the mobile phone, the iPAD and other equipment in a wireless mode by adopting the Bluetooth communication method, so that the BCG signal can be further analyzed and processed, the heart hidden danger can be found in time, and early warning can be given out.
In order to achieve the above object, the utility model provides a following technical scheme: a BCG signal monitoring early warning device based on Bluetooth technology comprises a power circuit (1), a BCG circuit (2), an MCU circuit (3) and a Bluetooth circuit (4); the power supply circuit (1) adopts a single lithium battery to provide power for the BCG circuit (2), the MCU circuit (3) and the Bluetooth circuit (4), wherein the power of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the MCU circuit (3); the BCG circuit (2) uses a 3-axis acceleration sensor to acquire BCG signal data of a human body, the acquired data are transmitted to the MCU circuit (3) to be processed, and the MCU circuit (3) sends the processed data to a far-end server; the MCU circuit (3) controls the power supplies of the BCG circuit (2) and the Bluetooth circuit (4), is connected with the BCG circuit (2) and the Bluetooth circuit (4) by using an SPI interface, receives BCG signals collected by the BCG circuit (2), and sends processed data to a far-end server through the Bluetooth circuit (4) after processing; and the Bluetooth circuit (4) receives the processed BCG signal transmitted by the MCU circuit (3) and sends the signal to a remote server.
Preferably, the power circuit (1) adopts a single lithium battery to provide power for the BCG circuit (2), the MCU circuit (3) and the Bluetooth circuit (4), wherein the power of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the MCU circuit (3), the lithium battery is connected with a DP1 interface to supply power BAT, and the BAT is stabilized to 3.3V by a DU3 chip MCP33 to supply power to the whole circuit board; the BAT is also connected with chips DU1 and DU2 through 2 controllable MOS tubes DQ1 and DQ3 to generate controllable voltages W3.3V and E3.3V; W3.3V is used for supplying power to the Bluetooth circuit (4), E3.3V is used for supplying power to the BCG circuit (2); control terminals W3.3V and E3.3V are generated by the MCU circuit (3) and are controlled by C _ W and C _ E.
Preferably, the BCG circuit (2) collects BCG signal data of a human body by using the 3-axis acceleration sensor, transmits the collected data to the MCU circuit (3) for processing, the MCU circuit (3) sends the processed data to the remote server, the circuit consists of a 3-axis acceleration sensor chip EU1, the type of the 3-axis acceleration sensor chip is ADXL345BCCZ, the power supply of the 3-axis acceleration sensor chip is supplied by the power supply circuit (1), and the 4 pins CS _ BCG, SCK, MOSI and MISO of the MCU circuit (3) are used for controlling the circuit.
Preferably, the MCU circuit (3) controls the power supplies of the BCG circuit (2) and the Bluetooth circuit (4), the SPI interface is used for being connected with the BCG circuit (2) and the Bluetooth circuit (4), BCG signals collected by the BCG circuit (2) are received, and the processed data are sent to a remote server through the Bluetooth circuit (4) after being processed, wherein the circuit consists of a low-power-consumption MCU chip MU1 (the model of the MCU chip is STM32L053R8T 6) and a program downloading interface MP 1; it communicates with the bluetooth circuit (4) through SPI interface CS _ WX, SCK, MOSI and MISO signals; communicating with the BCG circuit (2) by means of the SPI interfaces CS _ BCG, SCK, MOSI and MISO signals; the power supply of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the C _ W and C _ E signals to reduce the overall power consumption.
Preferably, the Bluetooth circuit (4) receives the processed BCG signal transmitted by the MCU circuit (3) and sends the processed BCG signal to a remote server, wherein the circuit consists of a Bluetooth chip WU1, a filter WJ1, a Bluetooth PCB antenna and a peripheral circuit thereof; the model adopted by the WU1 is CC2540F256 RAR, the model adopted by the WJ1 is JT1_2405BM15A0002, and the Bluetooth antenna is realized in a PCB mode; the power supply is externally connected with a 32M crystal oscillator, the power supply is isolated by using an L _ BEAD _102 inductor, and all power supply pins are subjected to decoupling treatment; the reset pin is connected with the resistance-capacitance reset circuit; the power supply is provided by a power supply circuit (1), and SPI interfaces CS _ WX, SCK, MOSI and MISO are adopted to communicate with an MCU circuit (3).
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the device can be used for collecting cardiovascular information of a human body without contacting with the skin, and can be used without wound for a long time;
(2) psychological burden is not caused to the testee, and the heart hidden danger can be found in time;
(3) the Bluetooth is in contact with a remote server, so that mobile devices such as a mobile phone and an iPAD (Internet protocol digital AD) can directly check, store and analyze collected data;
(4) the design of low power consumption can be operated stably for a long time.
Drawings
The drawings that the utility model relates to explain as follows:
FIG. 1 is a general block diagram of the system of the present invention;
FIG. 2 is a power supply circuit diagram;
FIG. 3 is a circuit diagram of a BCG;
FIG. 4 is a circuit diagram of an MCU;
fig. 5 is a circuit diagram of bluetooth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 of the drawings, a drawing,
a BCG signal monitoring early warning device based on Bluetooth technology comprises a power circuit (1), a BCG circuit (2), an MCU circuit (3) and a Bluetooth circuit (4); the power supply circuit (1) adopts a single lithium battery to provide power for the BCG circuit (2), the MCU circuit (3) and the Bluetooth circuit (4), wherein the power of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the MCU circuit (3); the BCG circuit (2) uses a 3-axis acceleration sensor to acquire BCG signal data of a human body, the acquired data are transmitted to the MCU circuit (3) to be processed, and the MCU circuit (3) sends the processed data to a far-end server; the MCU circuit (3) controls the power supplies of the BCG circuit (2) and the Bluetooth circuit (4), is connected with the BCG circuit (2) and the Bluetooth circuit (4) by using an SPI interface, receives BCG signals collected by the BCG circuit (2), and sends processed data to a far-end server through the Bluetooth circuit (4) after processing; and the Bluetooth circuit (4) receives the processed BCG signal transmitted by the MCU circuit (3) and sends the signal to a remote server.
Referring to figures 1 and 2 of the drawings,
the power supply circuit (1) adopts a single lithium battery to provide power for the BCG circuit (2), the MCU circuit (3) and the Bluetooth circuit (4), wherein the power of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the MCU circuit (3), the lithium battery is connected with a DP1 interface to supply power BAT, and the BAT is stabilized to 3.3V by a DU3 chip MCP33 to supply power to the whole circuit board; the BAT is also connected with chips DU1 and DU2 through 2 controllable MOS tubes DQ1 and DQ3 to generate controllable voltages W3.3V and E3.3V; W3.3V is used for supplying power to the Bluetooth circuit (4), E3.3V is used for supplying power to the BCG circuit (2); control terminals W3.3V and E3.3V are generated by the MCU circuit (3) and are controlled by C _ W and C _ E.
The circuit principle is as follows: the power supply circuit (1) generates 3 paths of 3.3V power supplies which respectively supply power to the MCU circuit (3), the Bluetooth circuit (4) and the BCG circuit (2); wherein the MCU circuit (3) is in a continuous power-on state and generates 2 control signals C _ W and C _ E for controlling the power supplies of the Bluetooth circuit (4) and the BCG circuit (2); the control circuit adopts an MOS control method, the selected MOS transistors DQ1 and DQ3 have small leakage currents, when the control circuit is in a cut-off state, the leakage currents are smaller than 1uA and can be almost ignored, and therefore the power consumption of the whole module only needs to consider the power consumption of the MCU circuit (3) in most time.
Referring to figures 1 and 3 of the drawings,
the BCG circuit (2) collects BCG signal data of a human body by using the 3-axis acceleration sensor and transmits the collected data to the MCU circuit (3) for processing, the MCU circuit (3) sends the processed data to the remote server, the circuit consists of a 3-axis acceleration sensor chip EU1, the model of the 3-axis acceleration sensor chip EU1 is ADXL345BCCZ, the power supply of the circuit is supplied by the power supply circuit (1), and the 4 pins CS _ BCG, SCK, MOSI and MISO of the MCU circuit (3) are used for controlling the circuit.
The circuit principle is as follows: ADXL345BCCZ is a high-precision 3-axis acceleration sensor, can sense the small stress change of a human body when in close contact with the human body, can directly obtain heart rate and respiration rate information after MCU digital filtering, and then obtains other human body physiological indexes through subsequent analysis and calculation.
Referring to figures 1 and 4 of the drawings,
the MCU circuit (3) controls the power supplies of the BCG circuit (2) and the Bluetooth circuit (4), is connected with the BCG circuit (2) and the Bluetooth circuit (4) by using an SPI interface, receives BCG signals acquired by the BCG circuit (2), and transmits processed data to a remote server through the Bluetooth circuit (4) after processing, wherein the circuit consists of a low-power-consumption MCU chip MU1 (the model of which is STM32L053R8T 6) and a program downloading interface MP 1; it communicates with the bluetooth circuit (4) through SPI interface CS _ WX, SCK, MOSI and MISO signals; communicating with the BCG circuit (2) by means of the SPI interfaces CS _ BCG, SCK, MOSI and MISO signals; the power supply of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the C _ W and C _ E signals to reduce the overall power consumption.
The circuit principle is as follows: the power supply circuit (1) continuously supplies power to the MCU circuit (3), and the MCU circuit (3) controls the power supplies of the BCG circuit (2) and the Bluetooth circuit (4) to reduce power consumption; human BCG signal data acquired by the BCG circuit (2) are transmitted to the MCU circuit (3) through the SPI; after being analyzed and processed, the MCU circuit (3) transmits data to the Bluetooth circuit (4) through the SPI interface; the Bluetooth circuit (4) transmits data to the remote server and receives a control command of the remote server.
Referring to figures 1 and 5 of the drawings,
the Bluetooth circuit (4) receives the processed BCG signal transmitted by the MCU circuit (3) and sends the signal to a remote server, wherein the circuit consists of a Bluetooth chip WU1, a filter WJ1, a Bluetooth PCB antenna and a peripheral circuit thereof; the model adopted by the WU1 is CC2540F256 RAR, the model adopted by the WJ1 is JT1_2405BM15A0002, and the Bluetooth antenna is realized in a PCB mode; the power supply is externally connected with a 32M crystal oscillator, the power supply is isolated by using an L _ BEAD _102 inductor, and all power supply pins are subjected to decoupling treatment; the reset pin is connected with the resistance-capacitance reset circuit; the power supply is provided by a power supply circuit (1), and SPI interfaces CS _ WX, SCK, MOSI and MISO are adopted to communicate with an MCU circuit (3).
The circuit principle is as follows: the circuit communicates with the remote server in a Bluetooth wireless mode, communicates with the MCU circuit (3) through SPI interface CS _ WX, SCK, MOSI and MISO signals, and the power supply of the circuit is controlled by the MCU circuit (3) and is in a power-off state in a normal state so as to save power consumption.
In summary, the following steps: the BCG signal monitoring early warning device based on the Bluetooth technology does not contact with skin to collect cardiovascular information of a human body, can be used without wound for a long time, does not cause psychological burden on a testee, can timely find out heart hidden dangers, is in contact with a remote server through Bluetooth, supports mobile devices such as a mobile phone and an iPAD to directly check, store and analyze collected data, is designed with low power consumption, can stably operate for a long time, and effectively solves the defects of the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A BCG signal monitoring early warning device based on Bluetooth technology comprises a power circuit (1), a BCG circuit (2), an MCU circuit (3) and a Bluetooth circuit (4); the power supply circuit (1) adopts a single lithium battery to provide power for the BCG circuit (2), the MCU circuit (3) and the Bluetooth circuit (4), wherein the power of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the MCU circuit (3); the BCG circuit (2) uses a 3-axis acceleration sensor to acquire BCG signal data of a human body, the acquired data are transmitted to the MCU circuit (3) to be processed, and the MCU circuit (3) sends the processed data to a far-end server; the MCU circuit (3) controls the power supplies of the BCG circuit (2) and the Bluetooth circuit (4), is connected with the BCG circuit (2) and the Bluetooth circuit (4) by using an SPI interface, receives BCG signals collected by the BCG circuit (2), and sends processed data to a far-end server through the Bluetooth circuit (4) after processing; and the Bluetooth circuit (4) receives the processed BCG signal transmitted by the MCU circuit (3) and sends the signal to a remote server.
2. The BCG signal monitoring early warning device based on the Bluetooth technology is characterized in that a power supply circuit (1) adopts a single lithium battery to supply power to a BCG circuit (2), an MCU circuit (3) and a Bluetooth circuit (4), wherein the power supplies of the BCG circuit (2) and the Bluetooth circuit (4) are controlled by the MCU circuit (3), the lithium battery is connected with a DP1 interface to supply power BAT, and the BAT supplies power to the whole circuit board through a DU3 chip MCP33 with the voltage stabilized to 3.3V; the BAT is also connected with chips DU1 and DU2 through 2 controllable MOS tubes DQ1 and DQ3 to generate controllable voltages W3.3V and E3.3V; W3.3V is used for supplying power to the Bluetooth circuit (4), E3.3V is used for supplying power to the BCG circuit (2); control terminals W3.3V and E3.3V are generated by the MCU circuit (3) and are controlled by C _ W and C _ E.
3. The BCG signal monitoring early warning device based on the Bluetooth technology as claimed in claim 1, characterized in that the BCG circuit (2) collects BCG signal data of a human body by using a 3-axis acceleration sensor and transmits the collected data to the MCU circuit (3) for processing, the MCU circuit (3) transmits the processed data to a remote server, the circuit is composed of a 3-axis acceleration sensor chip EU1, the type of the chip is ADXL345BCCZ, the power supply of the circuit is supplied by the power supply circuit (1), and the circuit is controlled by 4 pins CS _ BCG, SCK, MOSI and MISO of the MCU circuit (3).
4. The BCG signal monitoring early warning device based on the Bluetooth technology as claimed in claim 1, wherein the MCU circuit (3) controls the power supply of the BCG circuit (2) and the Bluetooth circuit (4), is connected with the BCG circuit (2) and the Bluetooth circuit (4) by using SPI interface, receives BCG signal collected by the BCG circuit (2), and transmits the processed data to a remote server by the Bluetooth circuit (4), wherein the circuit consists of a low power consumption MCU chip MU1 (the model is STM32L053R8T 6) and a program download interface MP 1; it communicates with the bluetooth circuit (4) through SPI interface CS _ WX, SCK, MOSI and MISO signals; communicating with the BCG circuit (2) by means of the SPI interfaces CS _ BCG, SCK, MOSI and MISO signals; the power supply of the BCG circuit (2) and the Bluetooth circuit (4) is controlled by the C _ W and C _ E signals to reduce the overall power consumption.
5. The BCG signal monitoring early warning device based on the Bluetooth technology as claimed in claim 1, wherein the Bluetooth circuit (4) receives the processed BCG signal transmitted by the MCU circuit (3) and sends the processed BCG signal to the remote server, wherein the circuit consists of a Bluetooth chip WU1, a filter WJ1, a Bluetooth PCB antenna and peripheral circuits thereof; the model adopted by the WU1 is CC2540F256 RAR, the model adopted by the WJ1 is JT1_2405BM15A0002, and the Bluetooth antenna is realized in a PCB mode; the power supply is externally connected with a 32M crystal oscillator, the power supply is isolated by using an L _ BEAD _102 inductor, and all power supply pins are subjected to decoupling treatment; the reset pin is connected with the resistance-capacitance reset circuit; the power supply is provided by a power supply circuit (1), and SPI interfaces CS _ WX, SCK, MOSI and MISO are adopted to communicate with an MCU circuit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922408753.7U CN211719008U (en) | 2019-12-27 | 2019-12-27 | BCG signal monitoring early warning device based on Bluetooth technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922408753.7U CN211719008U (en) | 2019-12-27 | 2019-12-27 | BCG signal monitoring early warning device based on Bluetooth technology |
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| Publication Number | Publication Date |
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| CN211719008U true CN211719008U (en) | 2020-10-20 |
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| CN201922408753.7U Expired - Fee Related CN211719008U (en) | 2019-12-27 | 2019-12-27 | BCG signal monitoring early warning device based on Bluetooth technology |
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