CN112762370A - Lamp strip for dynamic measurement of respiratory physiological parameters and working method thereof - Google Patents
Lamp strip for dynamic measurement of respiratory physiological parameters and working method thereof Download PDFInfo
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- CN112762370A CN112762370A CN202110084130.8A CN202110084130A CN112762370A CN 112762370 A CN112762370 A CN 112762370A CN 202110084130 A CN202110084130 A CN 202110084130A CN 112762370 A CN112762370 A CN 112762370A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
- A61B5/1135—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing by monitoring thoracic expansion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
- F21V33/0068—Medical equipment
Abstract
The invention discloses a lamp strip for dynamically measuring respiratory physiological parameters, which comprises a lamp strip body and a lamp strip head, wherein a sensor probe is installed on the lamp strip head, a detection device is arranged in the lamp strip head, the detection device comprises a power module, a respiratory signal acquisition module, a microprocessor module, a storage module and a communication module, the respiratory signal acquisition module converts signals measured by the sensor probe into digital signals, the microprocessor module reads respiratory signals converted by an AD converter and performs data processing on the respiratory signals, the storage module stores the respiratory signals subjected to noise reduction by the microprocessor module, and the communication module sends data in the storage module to specified equipment. The invention can effectively evaluate the risk condition of occupational pneumoconiosis, monitors the health condition of the body of a miner in a real-time dynamic detection mode, and prevents diseases in the bud.
Description
Technical Field
The invention relates to the technical field of respiratory parameter measuring devices, in particular to a lamp strip for dynamically measuring respiratory physiological parameters.
Background
With the attention of people on health, occupational safety and health problems caused by exposure of working environments to various occupational hazards are particularly remarkable, and the number of new occupational diseases, the number of accumulated cases and the number of death cases mainly caused by dust lungs of workers in coal mines are the first in the world. Coal dust is one of main occupational hazard factors of coal mines, has damage to lung ventilation function of dust workers, and is easy to cause pulmonary diseases such as pneumoconiosis, pulmonary inflammation, tuberculosis, emphysema and the like. In particular, pneumoconiosis is an irreversible disease which cannot be cured radically, and once diagnosed, the symptoms can only be relieved.
Miners can only find whether the lung is affected by coal dust through regular physical examination, but most of the lung lesions are already late patients through physical examination. Although the existing detection product can measure the respiratory function and the pulmonary function, the existing detection product cannot be used in the underground environment of a coal mine, and the detection error is large. A light strip for dynamic measurement of respiratory physiological parameters is proposed to solve the above proposed problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a lamp strip for dynamically measuring respiratory physiological parameters.
The invention discloses a lamp strip for dynamically measuring respiratory physiological parameters, which comprises a lamp strip body and a lamp strip head, wherein a sensor probe is arranged on the lamp strip head, a detection device is arranged in the lamp strip head, and the detection device comprises a respiratory signal acquisition module, a microprocessor module, a storage module and a communication module which are sequentially and electrically connected.
The sensor probe comprises a No. 1 probe, a No. 2 probe and a reference probe, wherein the No. 1 probe is used for acquiring pressure signals of the chest, and the No. 2 probe is used for acquiring pressure signals of the abdomen; the reference probe is used for acquiring an environmental noise signal and providing a self-adaptive noise reduction reference signal for the No. 1 probe and the No. 2 probe.
Respiratory signal acquisition module includes AD converter and 3 mutually independent signal conditioning circuit, No. 1 probe, No. 2 probe and reference probe respectively with 3 mutually independent signal conditioning circuit electricity is connected, respiratory signal acquisition module is used for with the respiratory signal conversion that sensor probe gathered obtained is digital form's respiratory signal.
The microprocessor module is used for reading the respiratory signal obtained by the conversion of the respiratory signal acquisition module, then carries out noise reduction processing on the respiratory signal, writes the respiratory signal after the noise reduction processing into the storage module, the storage module is used for storing the respiratory signal after the noise reduction of the microprocessor module, and the communication module is used for sending the data in the storage module to the appointed equipment.
Furthermore, each signal conditioning circuit all includes charge conversion circuit, filter circuit and amplifier circuit, charge conversion circuit is used for sending into after converting the respiratory signal that the sensor probe gathered into voltage signal filter circuit, filter circuit is used for filtering the useless signal below 50Hz and above 1kHz to transmit the respiratory signal after the filtering interference to amplifier circuit, amplifier circuit is used for with respiratory signal amplification to the range scope of AD converter, AD converter is used for converting the signal conversion of amplifier circuit amplification into digital form's respiratory signal. .
Further, still include the power module in the detection device, the power module includes lithium cell and DC/DC converting circuit, the output voltage of lithium cell is 3.7V, the DC/DC converting circuit adopts NCP1402SN 33's chip to carry out the buck-boost conversion to the output of lithium cell, makes the output voltage of power module stabilize at 3.3V, for the detection device power supply.
Further, the microprocessor module adopts an STM32F031E4 chip, the storage module adopts an FM25V40 chip, and is electrically connected with the microprocessor module through an SPI interface, and the communication module adopts infrared communication to send data in the storage module to designated equipment.
Furthermore, suckers are arranged outside the sensor probes, plugs are arranged at the tail ends of the wires of the sensor probes, probe jacks are arranged on the light heads, the probe jacks are electrically connected with the signal conditioning circuit, and the plugs are inserted into the probe jacks.
The invention also provides a working method of the lamp strip for dynamically measuring the respiratory physiological parameters, which comprises the following steps:
s1, firstly, tying a lamp strip body to the waist, inserting a No. 1 probe, a No. 2 probe and a reference probe onto the lamp strip head, then installing the No. 1 probe on the chest, installing the No. 2 probe on the abdomen, and installing the reference probe at a position between the No. 1 probe and the No. 2 probe;
s2, starting a detection device, collecting a respiration signal by a respiration signal collecting module through a sensor probe, and receiving the respiration signal by a microprocessor module to obtain a chest respiration signal X1(n), an abdomen respiration signal X2(n) and a reference signal Y (n) in one period; wherein n is the number of sampling points of 1 period;
s3, the microprocessor module adopts a self-adaptive filter to perform noise reduction on the respiration signals to obtain chest respiration signals Z1(n) and abdomen respiration signals Z2(n) after the noise reduction;
s4, the storage module stores the chest breathing signal Z1(n) and the abdomen breathing signal Z2(n) after noise reduction processing;
and S5, the communication module sends the data in the storage module to the designated equipment.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize daily, weekly or regular breathing physiological parameter detection of miners, and the miners can not only use on the ground before entering the well and after entering the well, but also use when working under the coal mine. The risk condition of occupational pneumoconiosis can be evaluated, the severity of the pulmonary disease can be effectively evaluated, and miners can be informed to comprehensively check the physical condition when the risk level is higher. The health condition of the body of the miner is monitored in a real-time dynamic detection mode, and the disease is prevented in the bud.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a functional block diagram of a light strip for dynamic measurement of respiratory physiological parameters according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a light strip for dynamic measurement of respiratory physiological parameters according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the light strip for dynamically measuring respiratory physiological parameters provided by the invention comprises a light strip body 110 and a light strip head 120, wherein the light strip body 110 is of a strip-shaped structure, a user ties the light strip to the waist during detection, the light strip head 120 is in a cuboid shape, the length of the light strip head 120 is 80mm, the width of the light strip head is 45mm, the upper part of the light strip head 120 is provided with 3 jacks with the inner diameter of 2mm, the jacks are used for plugging connection wires of sensor probes, a detection device for measuring respiratory physiological parameters of miners is arranged in the light strip head 120, and the detection device comprises a power module 300, a respiratory signal acquisition module 310, a microprocessor module 320, a storage module 330 and a communication module 340 which are sequentially and electrically connected.
The sensor probe comprises a No. 1 probe 200, a No. 2 probe 210 and a reference probe 220, the sensor probe is welded at one end of a connecting wire, the sensor probes are all composed of piezoelectric film sensors, a sucker is arranged outside the piezoelectric film sensors and is used for protecting the piezoelectric film sensors on one hand and fixing the piezoelectric film sensors on the skin surface of a human body when in use on the other hand, the No. 1 probe 200 is used for collecting pressure signals of the chest, the No. 2 probe 210 is used for collecting pressure signals of the abdomen, the reference probe 220 is used for collecting environmental noise signals and providing self-adaptive noise reduction reference signals for the No. 1 probe 200 and the No. 2 probe 210, the precision of measuring signals is improved, a banana plug with the diameter of 2mm is welded at the other end of the connecting wire, the connecting wire of the sensor probe is inserted into a jack preset on the lamp tie-head when in use and is connected with a detection device in, when the breathing signal does not need to be measured, the sensor probe and the connecting wire do not need to be connected with the measuring device in the light strip head 120, and meanwhile, the sensor probe and the connecting wire can be placed in the box in order to ensure the cleanness of the sensor probe.
The power module 300 is poured by epoxy resin, a lithium battery, a DC/DC conversion circuit and a lithium battery protection circuit are arranged inside the power module, the voltage output by the lithium battery is 3.7V, the DC/DC conversion circuit adopts an NCP1402SN33 chip to perform buck-boost conversion on the output of the lithium battery, so that the output voltage of the power module 300 is stabilized at 3.3V, the protection circuit comprises overcurrent protection and overvoltage protection and provides protection for the circuit, and the power module 300 is connected with the respiratory signal acquisition module 310, the microprocessor module 320, the storage module 330 and the communication module 340 and provides electric energy for the circuits.
The respiration signal acquisition module 310 includes an AD converter 315, a reference source circuit 314, and 3 mutually independent signal conditioning circuits, each of which includes a charge conversion circuit 311, a filter circuit 312, and an amplifier circuit 313, and the aforementioned probe No. 1, probe No. 2, and probe No. 210 and reference probe 220 are respectively connected to the 3 mutually independent signal conditioning circuits through connecting wires. Specifically, the probe No. 1 200 is connected to a first signal conditioning circuit in the respiration signal acquisition module 310 through a first connecting wire 201, and the probe No. 2 210 is connected to a second signal conditioning circuit in the respiration signal acquisition module 310 through a second connecting wire 211The reference probe 220 is connected to the third signal conditioning circuit in the respiration acquisition module 310 through a third connecting wire 221, and the first connecting wire 201, the second connecting wire 211 and the third connecting wire 221 are all 0.5mm in length2The length of the first connecting lead 201 is 500mm, the length of the second connecting lead 211 is 300mm, the length of the third connecting lead 221 is 200mm, and the sensor probe is placed in the sucker when not in use.
Specifically, the charge conversion circuit 311 is configured to convert a signal measured by the sensor probe into a voltage signal, and then send the voltage signal to the filter circuit 312 for filtering, the filter circuit 312 is configured to filter unwanted signals below 50Hz and above 1kHz, and transmit the signal with interference removed to the amplifier circuit 313, the amplifier circuit 313 amplifies the signal to a range of the AD converter 315, the reference source circuit 314 provides a reference voltage of 2.5V to the AD converter 315, and the AD converter 315 uses a 16-bit ADs1115 chip and is configured to convert the measured analog signal into a digital signal.
The microprocessor module 320 mainly completes signal acquisition, software noise reduction, data storage and data transmission by adopting an STM32F031E4 chip.
The storage module 330 is an FM25V40 chip, and is connected to the microprocessor module 320 through an SPI interface, and is used to store the respiration signal after noise reduction by the microprocessor module 320.
The communication module 340 employs infrared communication, and is configured to send the acquired data to a designated device, and then extract physiological parameters such as respiratory rate and tidal volume on the designated device to perform risk assessment for the occupational pneumoconiosis.
In this embodiment, the lamp strip 120 is provided with 1 power switch and 2 control keys, the power switch is a dial switch, the detection device is turned off in normal times, the detection device is turned on by the dial switch only when the device is used, the 2 control keys are a data acquisition key and a communication key respectively, when the power switch of the device is turned on and the sensor probe is fixed at the designated measurement position, the user presses the acquisition key, the microprocessor 320 acquires and processes data according to the pre-programmed program flow, and then writing the processed data into the storage module 330, when a communication key is pressed, the communication module 340 can send the data in the storage module 330 to a designated device, and can also receive control parameters sent by the designated device to the detection apparatus, such as modifying the length of the acquired data, and can also realize the setting of the sampling frequency.
Based on the same inventive concept, the embodiment of the invention also provides a working method of the lamp strip for dynamically measuring the respiratory physiological parameters, which specifically comprises the following steps:
s1, firstly tying the lamp strip body to the waist, inserting a No. 1 probe, a No. 2 probe and a reference probe onto the lamp strip head through connecting wires, then placing the No. 1 probe at a position above a breast nipple through a sucker, placing the No. 2 probe at a position above an abdominal navel, and placing the reference probe at an abdominal position between the No. 1 probe and the No. 2 probe through the sucker;
s2, starting a detection device, collecting a respiration signal by a respiration signal collection module through a sensor probe, and receiving the signal sent by the respiration signal collection module by a microprocessor to obtain a chest respiration signal X1(n), an abdomen respiration signal X2(n) and a reference signal Y (n) in one period; wherein n is the number of sampling points of 1 period;
s3, the microprocessor module adopts a self-adaptive filter to perform noise reduction on the respiration signals to obtain chest respiration signals Z1(n) and abdomen respiration signals Z2(n) after the noise reduction;
s4, the storage module stores the chest breathing signal Z1(n) and the abdomen breathing signal Z2(n) after noise reduction processing;
and S5, the communication module sends the data in the storage module to the designated equipment.
The invention can realize daily, weekly or regular breathing physiological parameter detection of miners, and the miners can not only use on the ground before entering the well and after entering the well, but also use when working under the coal mine. The risk condition of occupational pneumoconiosis can be evaluated, the severity of the pulmonary disease can be effectively evaluated, and miners can be informed to comprehensively check the physical condition when the risk level is higher. The health condition of the body of the miner is monitored in a real-time dynamic detection mode, and the disease is prevented in the bud.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A lamp belt for dynamically measuring respiratory physiological parameters is characterized by comprising a lamp belt body and a lamp belt head, wherein a sensor probe is mounted on the lamp belt head, a detection device is arranged in the lamp belt head, and the detection device comprises a respiratory signal acquisition module, a microprocessor module, a storage module and a communication module which are sequentially and electrically connected;
the sensor probe comprises a probe No. 1, a probe No. 2 and a reference probe, wherein the probe No. 1 is used for acquiring pressure signals of the chest, the probe No. 2 is used for acquiring pressure signals of the abdomen, and the reference probe is used for acquiring environmental noise signals and providing self-adaptive noise reduction reference signals for the probe No. 1 and the probe No. 2;
the respiration signal acquisition module comprises an AD converter and 3 mutually independent signal conditioning circuits, the No. 1 probe, the No. 2 probe and the reference probe are respectively and electrically connected with the 3 mutually independent signal conditioning circuits, and the respiration signal acquisition module is used for converting respiration signals acquired by the sensor probe into digital respiration signals;
the microprocessor module is used for reading the respiratory signal converted by the respiratory signal acquisition module, then carrying out noise reduction processing on the respiratory signal and writing the respiratory signal subjected to noise reduction processing into the storage module;
the storage module is used for storing the respiration signal subjected to noise reduction by the microprocessor module;
the communication module is used for sending the data in the storage module to the appointed equipment.
2. A light strip for the dynamic measurement of respiratory physiological parameters according to claim 1, wherein each of said signal conditioning circuits comprises a charge conversion circuit, a filter circuit and an amplification circuit;
the charge conversion circuit is used for converting the respiration signal acquired by the sensor probe into a voltage signal and then sending the voltage signal to the filter circuit;
the filter circuit is used for filtering useless signals below 50Hz and above 1kHz and transmitting the respiratory signals after interference is filtered to the amplifying circuit;
the amplifying circuit is used for amplifying the breathing signal to be within the measuring range of the AD converter;
the AD converter is used for converting the signal amplified by the amplifying circuit into a digital breathing signal.
3. The light strip for the dynamic measurement of respiratory physiological parameters according to claim 1, further comprising a power module, wherein the power module comprises a lithium battery and a DC/DC conversion circuit;
the output voltage of the lithium battery is 3.7V, and the DC/DC conversion circuit performs voltage boosting and reducing conversion on the output of the lithium battery, so that the output voltage of the power module is stabilized at 3.3V, and the power module supplies power for the detection device.
4. The light strip for the dynamic measurement of respiratory physiological parameters according to claim 1, wherein the microprocessor module uses an STM32F031E4 chip, and the memory module uses an FM25V40 chip, and is electrically connected to the microprocessor module through an SPI interface.
5. The light strip for dynamic measurement of respiratory physiological parameters according to claim 1, wherein the communication module uses infrared communication to transmit the data in the storage module to a designated device.
6. The light strip for the dynamic measurement of respiratory physiological parameters according to claim 1, wherein the sensor probes are provided with suckers on the outer portions;
the tail end of a wire of the sensor probe is provided with a plug, a probe jack is arranged on the lamp belt head, the probe jack is electrically connected with the signal conditioning circuit, and the plug is inserted in the probe jack.
7. A working method of a lamp strip for dynamic measurement of respiratory physiological parameters is characterized by comprising the following steps:
s1, firstly, tying a lamp strip body to the waist, inserting a No. 1 probe, a No. 2 probe and a reference probe onto the lamp strip head, then installing the No. 1 probe on the chest, installing the No. 2 probe on the abdomen, and installing the reference probe at the position of the abdomen between the No. 1 probe and the No. 2 probe;
s2, starting a detection device, collecting a respiration signal by a respiration signal collecting module through a sensor probe, and receiving the respiration signal by a microprocessor module to obtain a chest respiration signal X1(n), an abdomen respiration signal X2(n) and a reference signal Y (n) in one period; wherein n is the number of sampling points of 1 period;
s3, the microprocessor module adopts a self-adaptive filter to perform noise reduction on the respiration signals to obtain chest respiration signals Z1(n) and abdomen respiration signals Z2(n) after the noise reduction;
s4, the storage module stores the chest breathing signal Z1(n) and the abdomen breathing signal Z2(n) after noise reduction processing;
and S5, the communication module sends the data in the storage module to the designated equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084130.8A CN112762370A (en) | 2021-01-21 | 2021-01-21 | Lamp strip for dynamic measurement of respiratory physiological parameters and working method thereof |
| ZA2021/02485A ZA202102485B (en) | 2021-01-21 | 2021-04-15 | Lamp strap for dynamically measuring respiratory physiological parameters and operating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084130.8A CN112762370A (en) | 2021-01-21 | 2021-01-21 | Lamp strip for dynamic measurement of respiratory physiological parameters and working method thereof |
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| CN112762370A true CN112762370A (en) | 2021-05-07 |
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| CN202110084130.8A Pending CN112762370A (en) | 2021-01-21 | 2021-01-21 | Lamp strip for dynamic measurement of respiratory physiological parameters and working method thereof |
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| ZA (1) | ZA202102485B (en) |
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| US20200068976A1 (en) * | 2018-08-28 | 2020-03-05 | First-Light Usa, Llc | Reconfigurable lighting system for helmet |
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2021
- 2021-01-21 CN CN202110084130.8A patent/CN112762370A/en active Pending
- 2021-04-15 ZA ZA2021/02485A patent/ZA202102485B/en unknown
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|---|---|---|---|---|
| US6339709B1 (en) * | 1997-04-09 | 2002-01-15 | Commonwealth Scientific & Industrial Research Organisation | Personnel locating system |
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| ZA202102485B (en) | 2021-07-28 |
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Application publication date: 20210507 |