CN102125428B - Vital sign monitoring system for diver in underwater operation - Google Patents
Vital sign monitoring system for diver in underwater operation Download PDFInfo
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- CN102125428B CN102125428B CN 201110065233 CN201110065233A CN102125428B CN 102125428 B CN102125428 B CN 102125428B CN 201110065233 CN201110065233 CN 201110065233 CN 201110065233 A CN201110065233 A CN 201110065233A CN 102125428 B CN102125428 B CN 102125428B
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Abstract
一种潜水员水下作业生命体征监测系统，包括生命体征信号检测与发送单元、生命体征信号接收单元和计算机，生命体征信号检测与发送单元由信号检测放大电路、模数转换电路、第一微处理器、存储电路、无线发送电路和传感器构成，生命体征信号接收单元由无线接收电路、第二微处理器、通讯接口电路构成，无线接收电路通过无线链路与无线发送电路连接，传感器中包括心电检测电极，心电检测电极由导电布构成。在潜水员身体上设置传感器，利用无线发送电路将信号传递给短距离潜水钟内的无线接收电路，再通过通讯接口电路和电缆传递到水面上的计算机，可实时监测潜水员水下作业时的各种生理指标，潜水钟到水面计算机之间采用有线长距离传输，信号稳定可靠。
A vital sign monitoring system for a diver's underwater operation, comprising a vital sign signal detection and sending unit, a vital sign signal receiving unit and a computer, the vital sign signal detection and sending unit is composed of a signal detection amplifier circuit, an analog-to-digital conversion circuit, a first micro-processing The vital sign signal receiving unit is composed of a wireless receiving circuit, a second microprocessor, and a communication interface circuit. The wireless receiving circuit is connected to the wireless sending circuit through a wireless link. The sensor includes a heart Electric detection electrode, electrocardiogram detection electrode is made of conductive cloth. Install sensors on the diver's body, use the wireless sending circuit to transmit the signal to the wireless receiving circuit in the short-distance diving bell, and then transmit the signal to the computer on the surface through the communication interface circuit and cable, which can monitor the diver's underwater operations in real time. Physiological indicators, long-distance wired transmission between the diving bell and the surface computer, the signal is stable and reliable.
Description
Technical field:
The present invention relates to physical field, relate in particular to measuring technique, particularly a kind of diver's underwater performance life sign monitor system.
Background technology:
Along with the dynamics of marine resources development and utilization continues to increase, offshore construction with salvage frequently day by day, need the chance of underwater performance also more and more, and in the diving operation process, the time is longer, diving depth is big more, just big more to diver's potential threat.The diving operation meeting causes the intravital CO of diver
2Retention increases the cerebrospinal fluid hydrogen ion concentration, influences the brain cell metabolism, reduces the brain cell irritability, suppresses the cortex activity; Along with CO
2Increase, cortex lower floor is suppressed, and makes nervus centralis be in narcotism, consequence is hardly imaginable.In the prior art, in diving operation, the approach that the diving doctor understands diver's state just is confined to record a video under water and diving telephone; Have no effective medical science to ensure means, diver's actual physiological situation is known nothing, be in runaway condition fully; Particularly in clock-type saturation diving process; Because diving depth is big, the activity duration is long, meets accident more easily.
Summary of the invention:
The object of the present invention is to provide a kind of diver's underwater performance life sign monitor system, described this diver's underwater performance life sign monitor system will solve the technical problem of the physiological situation in the time of can not monitoring diver's underwater movement in the prior art.
This diver's underwater performance life sign monitor system of the present invention; Comprise a vital sign parameter signals detection and transmitting element, vital sign parameter signals receiving element and computer; Wherein, Described vital sign parameter signals detects with the pick off of transmitting element by signal detection amplifying circuit, analog to digital conversion circuit, first microprocessor, memory circuit, wireless transmission circuit and an above number and constitutes; Described pick off is connected with described signal detection amplifying circuit or first microprocessor through lead; Signal detection amplifying circuit is connected with described analog to digital conversion circuit; Analog to digital conversion circuit, described memory circuit and wireless transmission circuit are connected with first microprocessor respectively, and described vital sign parameter signals receiving element is made up of wireless receiving circuit, second microprocessor, communication interface circuit, and described wireless receiving circuit is connected with described wireless transmission circuit through wireless data link; Wireless receiving circuit all is connected with described second microprocessor with described communication interface circuit; The communication interface circuit is connected with described computer, includes the electrocardio detecting electrode in the described pick off at least, and described electrocardio detecting electrode is made up of conductive fabric.
Further, described communication interface circuit is a serial communication circuit.
Further, be provided with RS232 interface and RS485 interface in the described communication interface circuit, and the protocol conversion circuitry between RS232 interface and the RS485 interface.
Further, be provided with the electrode testing circuit that comes off between described electrocardio detecting electrode and the signal detection amplifying circuit, be provided with a QRS ripple between this signal detection amplifying circuit and the first microprocessor and extract circuit.
Further, include respiration pickup in the described pick off, described respiration pickup is connected with signal detection amplifying circuit through lead.
Further, include body temperature trans in the described pick off, described body temperature trans is made up of digital temperature sensor, and described digital temperature sensor is connected with first microprocessor through lead.
Further, watt now LPF and the amplification of leading select circuit to form to described signal detection amplifying circuit by passive high-pass filtering circuit, amplifying circuit, Bart.
Further, described QRS ripple extraction circuit is made up of band filter, full-wave rectifying circuit, two duration peak detector, comparator.
Further, described RS485 interface is connected with described computer through cable.
Concrete; Signal detection amplifying circuit described in the present invention, analog to digital conversion circuit, first microprocessor, memory circuit, wireless transmission circuit, wireless receiving circuit, second microprocessor and communication interface circuit all can adopt well-known schemes of the prior art, repeat no more at this.
Operation principle of the present invention is: pick off detects the signal of each corresponding site attached to diver's health, then through the signal detection amplifying circuit amplification filtering; Export digital signal to first microprocessor through analog to digital conversion circuit again, first microprocessor to the signal encoding process after, signal data is stored in the memory circuit; Memory circuit can be made up of flash memory; Simultaneously, first microprocessor to wireless transmission circuit, is sent signal conveys by wireless transmission circuit; Wireless receiving circuit, second microprocessor and communication interface circuit are arranged near the diving bell the diver; Wireless receiving circuit receives the signal that wireless transmission circuit is sent; Handle through second microprocessor then, be delivered to computer through the communication interface circuit again.Wherein, conductive fabric is processed into wearable form, obtains electrocardiosignal as the electrocardio detecting electrode at diver's chest, extracts circuit through the QRS ripple again and obtains stable heart rate signal.
The present invention and prior art are compared, and its effect is actively with tangible.The present invention is provided with the pick off that comprises the electrocardio detecting electrode on diver's health; Utilize wireless transmission circuit to give the wireless receiving circuit in the short distance diving bell,, can monitor diver's various physical signs during operation under water in real time by being delivered to the computer on the water surface through communication interface circuit and cable after the microprocessor processes with digital signal transfers; Understand whether within secure threshold; Grasp diver's life state in real time, so that when the accident sign occurring, diving ensures that the doctor in time intervenes and treatment; Adopting between the computer of diving bell to the water surface has line length Distance Transmission scheme, can obtain reliable and stable transmission signal.
Description of drawings:
Fig. 1 is the composition frame chart of a kind of diver's underwater performance life sign monitor system of the present invention.
Fig. 2 is that the vital sign parameter signals among the present invention detects the hardware block diagram with transmitting element.
Fig. 3 is that the vital sign parameter signals among the present invention receives, the hop hardware block diagram.
Fig. 4 is the detection schematic diagram that comes off of the electrode among the present invention.
Fig. 5 is electrocardio filtering, the amplifying circuit schematic diagram among the present invention.
Fig. 6 is that the QRS ripple among the present invention extracts circuit theory diagrams
The specific embodiment:
Embodiment 1:
Like Fig. 1, Fig. 2 and shown in Figure 3; A kind of diver's underwater performance life sign monitor system of the present invention; Comprise that vital sign parameter signals detects and transmitting element 1, a vital sign parameter signals receiving element 2 and a computer 3; Wherein, Described vital sign parameter signals detects with the pick off of transmitting element 1 by signal detection amplifying circuit 11, analog to digital conversion circuit 12, first microprocessor 13, memory circuit 14, wireless transmission circuit 15 and an above number and constitutes; Described pick off is connected with described signal detection amplifying circuit 11 or first microprocessor 13 through lead, and signal detection amplifying circuit 11 is connected with described analog to digital conversion circuit 12, and analog to digital conversion circuit 12, described memory circuit 14 and wireless transmission circuit 15 are connected with first microprocessor 13 respectively; Described vital sign parameter signals receiving element 2 is made up of wireless receiving circuit 21, second microprocessor 22, communication interface circuit 23; Described wireless receiving circuit 21 is connected with described wireless transmission circuit 15 through wireless data link, and wireless receiving circuit 21 all is connected with described second microprocessor 22 with described communication interface circuit 23, and communication interface circuit 23 is connected with described computer 3; At least include electrocardio detecting electrode 16 in the described pick off, described electrocardio detecting electrode 16 is made up of conductive fabric.
Further, described communication interface circuit 23 is serial communication circuits.
Further, be provided with RS232 interface and RS485 interface in the described communication interface circuit 23, and the protocol conversion circuitry between RS232 interface and the RS485 interface.
Further, be provided with the electrode testing circuit 17 that comes off between described electrocardio detecting electrode 16 and the signal detection amplifying circuit 11, be provided with a QRS ripple between this signal detection amplifying circuit 11 and the first microprocessor 13 and extract circuit 18.
Further, include respiration pickup 19 in the described pick off, described respiration pickup 19 is connected with signal detection amplifying circuit 11 through lead.
Further, include body temperature trans 101 in the described pick off, described body temperature trans 101 is made up of digital temperature sensor, and described digital temperature sensor is connected with first microprocessor 13 through lead.
As shown in Figure 4; The electrode testing circuit 17 that comes off is made up of two comparators, and the wearable electrocardio detecting electrode 16 that is worn on diver's chest body surface is under the contact good situations, and the come off outfan FR and the outfan FF of testing circuit 17 of electrode is low level; Outfan FR and outfan FF are connected to first microprocessor 13; In case the generating electrodes dropping situations, corresponding signal becomes high level, produces interrupt signal.
As shown in Figure 5, watt now LPF and the amplification of leading select circuit to form by passive high-pass filtering circuit, amplifying circuit, Bart for electrocardio filtering among the present invention and amplifying circuit.
As shown in Figure 6, described QRS ripple extracts circuit 18 and is made up of band filter, full-wave rectifying circuit, two duration peak detector, comparator.The second-order bandpass filter mid frequency is 17Hz, and Q-value is 5, and gain is 8, effectively suppresses the P ripple, T ripple, myoelectricity, power frequency and baseline fluctuation; Full-wave rectifying circuit becomes the negative sense waveform with filtered bidirectional waveform, can eliminate the influence of polarity to detecting; The time constant of two peak detector discharge loops respectively do for oneself 0.33s and 3.5s; Get 75% the threshold value that detects of last group of QRS crest value as the one group of QRS ripple in back, like this, for every group of QRS ripple; Last output saltus step once, thereby obtain stable heart rate signal.
Further, described RS485 interface is connected with described computer 3 through cable.
The work process of present embodiment is: pick off is attached to diver's health; Detect the signal of each corresponding site,, export digital signals through analog to digital conversion circuit 12 to first microprocessor 13 more then through signal detection amplifying circuit 11 amplification filtering; After 13 pairs of signal encoding process of first microprocessor; Signal data is stored in the memory circuit 14, and memory circuit 14 can be made up of flash memory, simultaneously; First microprocessor 13 to wireless transmission circuit 15, is sent signal conveys by wireless transmission circuit 15; Wireless receiving circuit 21, second microprocessor 22 and communication interface circuit 23 are arranged near the diving bell the diver; Wireless receiving circuit 21 receives the signal that wireless transmission circuit 15 is sent; Handle through second microprocessor 22 then, be delivered to computer 3 through communication interface circuit 23 again.Wherein, conductive fabric is processed into wearable form, obtains electrocardiosignal as electrocardio detecting electrode 16 at diver's chest, extracts circuit 18 through the QRS ripple again and obtains stable heart rate signal.
Concrete, be in active state during diver's underwater performance, doing static test with patient in hospital has a great difference, makes pick off wearable, has guaranteed comfort of wearing and reliability to greatest extent.Vital sign parameter signals detects and dispensing device 1, detected vital sign parameter signals, through microprocessor control, processing; Through inner wireless data sending module, send data, vital sign parameter signals receiving system 2 generally places in the diving bell again; Be responsible for receiving diver's vital sign parameter signals; This signal converts the serial data of RS485 level under the control of microprocessor, grow apart from wire transmission on realizing from the diving bell to the ship, through the RS485/RS232 interface conversion 3 on the ship; Be sent to data signal in the computer 4 of desktop; Handle the back display result through computer 4 again, for the doctor provides monitor data in real time, the health when dynamically grasping diver's underwater performance.
Electrode comes off and detects 6 and mainly design to the detection of electrocardiosignal; Because the underwater motion of diver might make electrode come off; Come off through electrode and to detect 6 and can monitor electrode and whether come off, can notify the diver suitably to adjust through underwater telephone in case come off.Faint body surface ecg amplifies through electrocardio detecting electrode 16, and the filtering clutter makes useful signal reach the AD sampling request, changes through 12 bit A/D converters, delivers to MSP430 microprocessor processes, storage then.Electrocardiosignal after the amplification is extracted through the QRS ripple and is obtained heart rate pulse, is directly read by the middle fracture of MSP430 microprocessor.The signal of respiration pickup 19 carries out the AD conversion after reaching sampling request through amplification filtering, by the MSP430 microprocessor processes.Body temperature trans 101 adopts the high accuracy number temperature sensor, and temperature data can directly read through the I/O mouth of MSP430 microprocessor.After the MSP430 microprocessor reads each vital sign parameter signals, store memory circuit 14 earlier into, carry out the preservation of initial data, through wireless transmission circuit 15, send to wireless receiving circuit 21 to data again.
Claims (6)
1. diver's underwater performance life sign monitor system; Comprise a vital sign parameter signals detection and transmitting element, vital sign parameter signals receiving element and computer; It is characterized in that: described vital sign parameter signals detects with the pick off of transmitting element by signal detection amplifying circuit, analog to digital conversion circuit, first microprocessor, memory circuit, wireless transmission circuit and an above number and constitutes; Described pick off is connected with described signal detection amplifying circuit or first microprocessor through lead; Signal detection amplifying circuit is connected with described analog to digital conversion circuit; Analog to digital conversion circuit, described memory circuit and wireless transmission circuit are connected with first microprocessor respectively; Described vital sign parameter signals receiving element is made up of wireless receiving circuit, second microprocessor, communication interface circuit, and described wireless receiving circuit, second microprocessor, communication interface circuit are arranged in the diving bell, and described wireless receiving circuit is connected with described wireless transmission circuit through wireless data link; Wireless receiving circuit all is connected with described second microprocessor with described communication interface circuit; The communication interface circuit is a serial communication circuit, is provided with the protocol conversion circuitry between RS232 interface and RS485 interface and RS232 interface and the RS485 interface in the communication interface circuit, and described RS485 interface is connected with described computer through cable; At least include the electrocardio detecting electrode in the described pick off, described electrocardio detecting electrode is made up of conductive fabric.
2. a kind of diver's underwater performance life sign monitor system as claimed in claim 1; It is characterized in that: be provided with the electrode testing circuit that comes off between described electrocardio detecting electrode and the signal detection amplifying circuit, be provided with a QRS ripple between this signal detection amplifying circuit and the first microprocessor and extract circuit.
3. a kind of diver's underwater performance life sign monitor system as claimed in claim 1 is characterized in that: include respiration pickup in the described pick off, described respiration pickup is connected with signal detection amplifying circuit through lead.
4. a kind of diver's underwater performance life sign monitor system as claimed in claim 1; It is characterized in that: include body temperature trans in the described pick off; Described body temperature trans is made up of digital temperature sensor, and described digital temperature sensor is connected with first microprocessor through lead.
5. a kind of diver's underwater performance life sign monitor system as claimed in claim 1 is characterized in that: watt now LPF and the amplification of leading select circuit to form to described signal detection amplifying circuit by passive high-pass filtering circuit, amplifying circuit, Bart.
6. a kind of diver's underwater performance life sign monitor system as claimed in claim 2 is characterized in that: described QRS ripple extracts circuit and is made up of band filter, full-wave rectifying circuit, two duration peak detector, comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065233 CN102125428B (en) | 2011-03-17 | 2011-03-17 | Vital sign monitoring system for diver in underwater operation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110065233 CN102125428B (en) | 2011-03-17 | 2011-03-17 | Vital sign monitoring system for diver in underwater operation |
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| CN102125428A CN102125428A (en) | 2011-07-20 |
| CN102125428B true CN102125428B (en) | 2012-12-12 |
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| CN 201110065233 Expired - Fee Related CN102125428B (en) | 2011-03-17 | 2011-03-17 | Vital sign monitoring system for diver in underwater operation |
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| CN105496394A (en) * | 2016-01-02 | 2016-04-20 | 无锡桑尼安科技有限公司 | Diver physiological parameter emergency alarm method |
| CN105662344A (en) * | 2016-01-02 | 2016-06-15 | 无锡桑尼安科技有限公司 | Diver state analysis method |
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| CN105640548A (en) * | 2016-01-02 | 2016-06-08 | 无锡桑尼安科技有限公司 | Blood glucose analyzing early-warning method |
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| CN108320487B (en) * | 2017-12-28 | 2021-11-16 | 臻迪科技股份有限公司 | Underwater equipment communication method and system |
| CN109528188A (en) * | 2019-01-04 | 2019-03-29 | 苏州科技城医院 | A kind of novel ECG monitor radio pole piece |
| CN110053739A (en) * | 2019-04-19 | 2019-07-26 | 南京涵铭置智能科技有限公司 | A kind of leisure diving equipment and its self-rescue method with safety self-saving function |
| CN112155516A (en) * | 2020-04-17 | 2021-01-01 | 中国人民解放军第二军医大学 | Monitoring system for vital sign parameters of underwater human body |
| CN113171108A (en) * | 2021-04-26 | 2021-07-27 | 徐州市永康电子科技有限公司 | An ECG Monitor Using Dynamic Difference Algorithm |
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