CN202005747U

Movatterモバイル変換

Info

Publication number: CN202005747U
Application number: CN2011200717266U
Authority: CN
Inventors: 方勇军; 王云景; 骆星九; 喻锡成; 赵红旗; 刘勇; 张孝强; 王猛
Original assignee: Second Military Medical University SMMU
Current assignee: Second Military Medical University SMMU
Priority date: 2011-03-17
Filing date: 2011-03-17
Publication date: 2011-10-12
Anticipated expiration: 2021-03-17

Abstract

一种潜水员水下作业生命体征监测装置，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 device for monitoring vital signs of divers underwater, including 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

Translated fromChinese

潜水员水下作业生命体征监测装置Vital sign monitoring device for underwater operations of divers

技术领域：Technical field:

本实用新型涉及物理领域，尤其涉及测量技术，特别是一种潜水员水下作业生命体征监测装置。The utility model relates to the field of physics, in particular to measurement technology, in particular to a vital sign monitoring device for underwater operations of divers.

背景技术：Background technique:

随着海洋资源开发和利用的力度不断加大，海上施工和打捞日益频繁，需要水下作业的机会也越来越多，而在潜水作业过程中，时间越长、潜水深度越大，对潜水员的潜在威胁就越大。潜水作业会造成潜水员体内的CO₂潴留，使脑脊液氢离子浓度增加，影响脑细胞代谢，降低脑细胞兴奋性，抑制皮质活动；随着CO₂的增加，皮质下层受抑制，使中枢神经处于麻醉状态，后果不堪设想。现有技术中，在潜水作业中，潜水医生了解潜水员状态的途径只是局限于水下录像和潜水电话，没有任何有效的医学保障手段，对潜水员的实际生理状况一无所知，完全处于失控状态，特别是在钟式饱和潜水过程中，由于潜水深度大，作业时间长，更容易发生意外。As the development and utilization of marine resources continue to increase, offshore construction and salvage are increasingly frequent, and there are more and more opportunities for underwater operations. In the process of diving operations, the longer the time and the greater the diving depth, the greater the impact on divers. the greater the potential threat. Diving operations will cause CO₂ retention in the diver's body, increase the concentration of hydrogen ions in the cerebrospinal fluid, affect the metabolism of brain cells, reduce the excitability of brain cells, and inhibit cortical activity; with the increase of CO₂ , the subcortical layer is inhibited, and the central nervous system is under anesthesia State, the consequences are unimaginable. In the prior art, in the diving operation, the way for the diving doctor to understand the status of the diver is only limited to underwater video recording and diving phone, without any effective medical protection means, ignorant of the actual physiological condition of the diver, completely out of control , especially in the bell saturation diving process, due to the large diving depth and long operation time, accidents are more likely to occur.

发明内容：Invention content:

本实用新型的目的在于提供一种潜水员水下作业生命体征监测装置，所述的这种潜水员水下作业生命体征监测装置要解决现有技术中不能监测潜水员水下活动时的生理状况的技术问题。The purpose of the utility model is to provide a diver's underwater operation vital sign monitoring device, said this diver's underwater operation vital sign monitoring device to solve the technical problem in the prior art that it cannot monitor the diver's physiological conditions during underwater activities .

本实用新型的这种潜水员水下作业生命体征监测装置，包括一个生命体征信号检测与发送单元、一个生命体征信号接收单元和计算机，其中，所述的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、无线发送电路和一个以上数目的传感器构成，所述的传感器通过导线与所述的信号检测放大电路或者第一微处理器连接，信号检测放大电路与所述的模数转换电路连接，模数转换电路、所述的存储电路和无线发送电路分别与第一微处理器连接，所述的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，所述的无线接收电路通过无线数据链路与所述的无线发送电路连接，无线接收电路和所述的通讯接口电路均与所述的第二微处理器连接，通讯接口电路与所述的计算机连接，所述的传感器中至少包括有心电检测电极，所述的心电检测电极由导电布构成。The vital sign monitoring device for divers' underwater operations of the utility model includes a vital sign signal detection and sending unit, a vital sign signal receiving unit and a computer, wherein the vital sign signal detection and sending unit is amplified by signal detection circuit, an analog-to-digital conversion circuit, a first microprocessor, a storage circuit, a wireless transmission circuit and more than one sensor, the sensor is connected to the signal detection amplifier circuit or the first microprocessor through a wire, and the signal The detection amplifier circuit is connected to the analog-to-digital conversion circuit, the analog-to-digital conversion circuit, the storage circuit and the wireless transmission circuit are respectively connected to the first microprocessor, and the vital sign signal receiving unit is composed of the wireless receiving circuit, the second Two microprocessors, a communication interface circuit, the wireless receiving circuit is connected with the wireless sending circuit through a wireless data link, the wireless receiving circuit and the communication interface circuit are connected to the second microprocessor connection, the communication interface circuit is connected with the computer, the sensor at least includes electrocardiogram detection electrodes, and the electrocardiogram detection electrodes are made of conductive cloth.

进一步的，所述的通讯接口电路是串行通讯电路。Further, the communication interface circuit is a serial communication circuit.

进一步的，所述的通讯接口电路中设置有RS232接口和RS485接口，以及RS232接口和RS485接口之间的协议转换电路。Further, the communication interface circuit is provided with an RS232 interface and an RS485 interface, and a protocol conversion circuit between the RS232 interface and the RS485 interface.

进一步的，所述的心电检测电极与信号检测放大电路之间设置有一个电极脱落检测电路，该信号检测放大电路与第一微处理器之间设置有一个QRS波提取电路。Further, an electrode drop detection circuit is arranged between the electrocardiogram detection electrode and the signal detection amplifier circuit, and a QRS wave extraction circuit is arranged between the signal detection amplifier circuit and the first microprocessor.

进一步的，所述的传感器中包括有呼吸传感器，所述的呼吸传感器通过导线与信号检测放大电路连接。Further, the sensor includes a respiration sensor, and the respiration sensor is connected to a signal detection and amplification circuit through wires.

进一步的，所述的传感器中包括有体温传感器，所述的体温传感器由数字温度传感器构成，所述的数字温度传感器通过导线与第一微处理器连接。Further, the sensor includes a body temperature sensor, the body temperature sensor is composed of a digital temperature sensor, and the digital temperature sensor is connected to the first microprocessor through a wire.

进一步的，所述的信号检测放大电路由无源高通滤波电路、放大电路、巴特瓦兹低通滤波和导联放大倍数选择电路组成。Further, the signal detection amplifying circuit is composed of a passive high-pass filter circuit, an amplifying circuit, a Butterworth low-pass filter and a lead magnification selection circuit.

进一步的，所述的QRS波提取电路由带通滤波器、全波整流电路、双时值峰值检测器、比较器组成。Further, the QRS wave extraction circuit is composed of a band-pass filter, a full-wave rectification circuit, a dual-time peak detector, and a comparator.

进一步的，所述的RS485接口通过电缆与所述的计算机连接。Further, the RS485 interface is connected with the computer through a cable.

具体的，本实用新型中所述的信号检测放大电路、模数转换电路、第一微处理器、存储电路、无线发送电路、无线接收电路、第二微处理器和通讯接口电路均可采用现有技术中的公知方案，在此不再赘述。Specifically, the signal detection amplifier circuit, the analog-to-digital conversion circuit, the first microprocessor, the storage circuit, the wireless transmission circuit, the wireless reception circuit, the second microprocessor and the communication interface circuit described in the utility model can all adopt existing There are known solutions in the art, which will not be repeated here.

本实用新型的工作原理是：传感器附着在潜水员身体，检测各相应部位的信号，然后通过信号检测放大电路放大滤波，再经过模数转换电路向第一微处理器输出数字信号，第一微处理器对信号编码处理后，将信号数据存储到存储电路中，存储电路可由闪存构成，同时，第一微处理器将信号输送到无线发送电路，由无线发送电路发送；无线接收电路、第二微处理器和通讯接口电路设置在潜水员附近的潜水钟内，无线接收电路接收无线发送电路发送的信号，然后通过第二微处理器进行处理，再通过通讯接口电路传递到计算机。其中，导电布加工成可穿戴形式，作为心电检测电极在潜水员的胸部获取心电信号，再通过QRS波提取电路得到稳定的心率信号。The working principle of the utility model is: the sensor is attached to the diver's body, detects the signals of each corresponding part, then amplifies and filters through the signal detection amplifier circuit, and then outputs the digital signal to the first microprocessor through the analog-to-digital conversion circuit, and the first microprocessor After the device encodes the signal, the signal data is stored in the storage circuit, and the storage circuit can be composed of flash memory. At the same time, the first microprocessor sends the signal to the wireless transmission circuit, and the wireless transmission circuit sends it; the wireless reception circuit, the second microprocessor The processor and the communication interface circuit are set in the diving bell near the diver, and the wireless receiving circuit receives the signal sent by the wireless sending circuit, then processes it through the second microprocessor, and then transmits it to the computer through the communication interface circuit. Among them, the conductive cloth is processed into a wearable form, and used as an ECG detection electrode to obtain ECG signals on the diver's chest, and then a stable heart rate signal is obtained through the QRS wave extraction circuit.

本实用新型和已有技术相比较，其效果是积极和明显的。本实用新型在潜水员身体上设置包括心电检测电极在内的传感器，利用无线发送电路将数字信号传递给短距离潜水钟内的无线接收电路，由微处理器处理后通过通讯接口电路和电缆传递到水面上的计算机，可以实时监测潜水员在水下作业时的各种生理指标，了解是否在安全阈值之内，实时掌握潜水员的生命状态，以便在出现事故征兆时，潜水保障医生及时干预和救治，潜水钟到水面上的计算机之间采用有线长距离传输方案，可获得稳定可靠的传输信号。Compared with the prior art, the utility model has positive and obvious effects. In the utility model, sensors including electrocardiographic detection electrodes are arranged on the body of the diver, and the digital signal is transmitted to the wireless receiving circuit in the short-distance diving bell by means of a wireless transmitting circuit, and is processed by a microprocessor and transmitted through a communication interface circuit and a cable. The computer on the surface of the water can monitor various physiological indicators of divers in real time when working underwater, to know whether they are within the safety threshold, and to grasp the life status of divers in real time, so that when there are signs of accidents, the diving guarantee doctor can intervene and treat in time , The cable long-distance transmission scheme is adopted between the diving bell and the computer on the water surface, which can obtain stable and reliable transmission signals.

附图说明：Description of drawings:

图1是本实用新型的潜水员水下作业生命体征监测装置的组成框图。Fig. 1 is a compositional block diagram of a diver's underwater operation vital sign monitoring device of the present utility model.

图2是本实用新型中的生命体征信号检测与发送单元的硬件框图。Fig. 2 is a hardware block diagram of the vital sign signal detection and sending unit in the present invention.

图3是本实用新型中的生命体征信号接收、传输部分硬件框图。Fig. 3 is a hardware block diagram of the vital sign signal receiving and transmitting part in the utility model.

图4是本实用新型中的电极脱落检测原理图。Fig. 4 is a schematic diagram of the electrode shedding detection in the utility model.

图5是本实用新型中的心电滤波、放大电路原理图。Fig. 5 is a schematic diagram of an electrocardiographic filter and amplifying circuit in the present invention.

图6是本实用新型中的QRS波提取电路原理图Fig. 6 is the schematic diagram of the QRS wave extraction circuit in the utility model

具体实施方式：Detailed ways:

实施例1：Example 1:

如图1、图2和图3所示，本实用新型的潜水员水下作业生命体征监测装置，包括一个生命体征信号检测与发送单元1、一个生命体征信号接收单元2和计算机3，其中，所述的生命体征信号检测与发送单元1由信号检测放大电路11、模数转换电路12、第一微处理器13、存储电路14、无线发送电路15和一个以上数目的传感器构成，所述的传感器通过导线与所述的信号检测放大电路11或者第一微处理器13连接，信号检测放大电路11与所述的模数转换电路12连接，模数转换电路12、所述的存储电路14和无线发送电路15分别与第一微处理器13连接，所述的生命体征信号接收单元2由无线接收电路21、第二微处理器22、通讯接口电路23构成，所述的无线接收电路21通过无线数据链路与所述的无线发送电路15连接，无线接收电路21和所述的通讯接口电路23均与所述的第二微处理器22连接，通讯接口电路23与所述的计算机3连接，所述的传感器中至少包括有心电检测电极16，所述的心电检测电极16由导电布构成。As shown in Fig. 1, Fig. 2 and Fig. 3, the diver's underwater operation vital sign monitoring device of the present utility model includes a vital sign signal detection and sendingunit 1, a vital signsignal receiving unit 2 and acomputer 3, wherein the The vital sign signal detection andtransmission unit 1 is composed of a signaldetection amplifier circuit 11, an analog-to-digital conversion circuit 12, afirst microprocessor 13, astorage circuit 14, awireless transmission circuit 15 and more than one number of sensors. Connect with described signaldetection amplifying circuit 11 orfirst microprocessor 13 by wire, signaldetection amplifying circuit 11 is connected with described analog-to-digital conversion circuit 12, analog-to-digital conversion circuit 12, describedstorage circuit 14 and wireless Thesending circuit 15 is respectively connected with thefirst microprocessor 13, and the described vital signsignal receiving unit 2 is composed of awireless receiving circuit 21, asecond microprocessor 22, and acommunication interface circuit 23, and thewireless receiving circuit 21 passes through a wireless The data link is connected with thewireless sending circuit 15, thewireless receiving circuit 21 and thecommunication interface circuit 23 are all connected with thesecond microprocessor 22, and thecommunication interface circuit 23 is connected with thecomputer 3, The sensor includes at least anelectrocardiographic detection electrode 16, and theelectrocardiographic detection electrode 16 is made of conductive cloth.

进一步的，所述的通讯接口电路23是串行通讯电路。Further, thecommunication interface circuit 23 is a serial communication circuit.

进一步的，所述的通讯接口电路23中设置有RS232接口和RS485接口，以及RS232接口和RS485接口之间的协议转换电路。Further, thecommunication interface circuit 23 is provided with an RS232 interface and an RS485 interface, and a protocol conversion circuit between the RS232 interface and the RS485 interface.

进一步的，所述的心电检测电极16与信号检测放大电路11之间设置有一个电极脱落检测电路17，该信号检测放大电路11与第一微处理器13之间设置有一个QRS波提取电路18。Further, an electrodedrop detection circuit 17 is arranged between theelectrocardiographic detection electrode 16 and the signaldetection amplifier circuit 11, and a QRS wave extraction circuit is arranged between the signaldetection amplifier circuit 11 and thefirst microprocessor 13 18.

进一步的，所述的传感器中包括有呼吸传感器19，所述的呼吸传感器19通过导线与信号检测放大电路11连接。Further, the sensor includes arespiration sensor 19, and therespiration sensor 19 is connected to the signaldetection amplifier circuit 11 through wires.

进一步的，所述的传感器中包括有体温传感器101，所述的体温传感器101由数字温度传感器构成，所述的数字温度传感器通过导线与第一微处理器13连接。Further, the sensor includes abody temperature sensor 101, thebody temperature sensor 101 is composed of a digital temperature sensor, and the digital temperature sensor is connected to thefirst microprocessor 13 through wires.

如图4所示，电极脱落检测电路17由两个比较器构成，佩戴于潜水员胸部体表的可穿戴心电检测电极16在接触良好情况下，电极脱落检测电路17的输出端FR和输出端FF均为低电平，输出端FR和输出端FF连接到第一微处理器13，一旦发生电极脱落情况，相应的信号变为高电平，产生中断信号。As shown in Figure 4, the electrodefall detection circuit 17 is composed of two comparators. When the wearableECG detection electrode 16 worn on the diver's chest body surface is in good contact, the output terminal FR and the output terminal of the electrodefall detection circuit 17 will Both FFs are at low level, and the output terminals FR and FF are connected to thefirst microprocessor 13. Once the electrodes fall off, the corresponding signal becomes high level to generate an interrupt signal.

如图5所示，本实用新型中的心电滤波和放大电路由无源高通滤波电路、放大电路、巴特瓦兹低通滤波和导联放大倍数选择电路组成。As shown in Figure 5, the ECG filtering and amplifying circuit in the present invention is composed of a passive high-pass filtering circuit, an amplifying circuit, a Bartworth low-pass filtering and a lead magnification selection circuit.

如图6所示，所述的QRS波提取电路18由带通滤波器、全波整流电路、双时值峰值检测器、比较器组成。二阶带通滤波器中心频率为17Hz，Q值为5，增益为8，有效抑制P波，T波、肌电、工频及基线波动；全波整流电路将滤波后的双向波形变为负向波形，可消除极性对检测的影响；两个峰值检测器放电回路的时间常数各自为0.33s及3.5s，取前一组QRS波峰值的75％作为后一组QRS波的检出阈值，这样，对于每组QRS波，最后的输出跳变一次，从而获得稳定的心率信号。As shown in FIG. 6, the QRSwave extraction circuit 18 is composed of a band-pass filter, a full-wave rectification circuit, a dual-time peak detector, and a comparator. The center frequency of the second-order bandpass filter is 17Hz, the Q value is 5, and the gain is 8, which can effectively suppress P waves, T waves, myoelectricity, power frequency and baseline fluctuations; the full-wave rectification circuit turns the filtered bidirectional waveforms into negative To eliminate the influence of polarity on detection; the time constants of the discharge circuits of the two peak detectors are 0.33s and 3.5s respectively, and 75% of the peak value of the previous group of QRS waves is taken as the detection threshold of the latter group of QRS waves , so that for each group of QRS waves, the final output jumps once, so as to obtain a stable heart rate signal.

进一步的，所述的RS485接口通过电缆与所述的计算机3连接。Further, the RS485 interface is connected with thecomputer 3 through a cable.

本实施例的工作过程是：传感器附着在潜水员身体，检测各相应部位的信号，然后通过信号检测放大电路11放大滤波，再经过模数转换电路12向第一微处理器13输出数字信号，第一微处理器13对信号编码处理后，将信号数据存储到存储电路14中，存储电路14可由闪存构成，同时，第一微处理器13将信号输送到无线发送电路15，由无线发送电路15发送；无线接收电路21、第二微处理器22和通讯接口电路23设置在潜水员附近的潜水钟内，无线接收电路21接收无线发送电路15发送的信号，然后通过第二微处理器22进行处理，再通过通讯接口电路23传递到计算机3。其中，导电布加工成可穿戴形式，作为心电检测电极16在潜水员的胸部获取心电信号，再通过QRS波提取电路18得到稳定的心率信号。The working process of this embodiment is: the sensor is attached to the diver's body, detects the signal of each corresponding part, then amplifies and filters through the signaldetection amplifier circuit 11, and then outputs a digital signal to thefirst microprocessor 13 through the analog-to-digital conversion circuit 12, the second After amicroprocessor 13 encodes the signal, the signal data is stored in thestorage circuit 14. Thestorage circuit 14 can be made of flash memory. At the same time, thefirst microprocessor 13 sends the signal to thewireless transmission circuit 15, and thewireless transmission circuit 15 Send;wireless receiving circuit 21,second microprocessor 22 andcommunication interface circuit 23 are arranged in the diving bell near the diver, andwireless receiving circuit 21 receives the signal that wireless transmittingcircuit 15 sends, and then processes bysecond microprocessor 22 , and then transmitted to thecomputer 3 through thecommunication interface circuit 23. Among them, the conductive cloth is processed into a wearable form, and used as theECG detection electrode 16 to obtain the ECG signal on the chest of the diver, and then a stable heart rate signal is obtained through the QRSwave extraction circuit 18 .

具体的，潜水员水下作业时处于活动状态，与病人在医院做静态测试有很大不同，把传感器做成可穿戴式，最大限度地保证了佩戴的舒适性与可靠性。生命体征信号检测与发送装置1，把检测到的生命体征信号，经微处理器控制、处理，再通过内部的无线数据发送模块，把数据发送出去，生命体征信号接收装置2一般置于潜水钟内，负责接收潜水员的生命体征信号，该信号在微处理器的控制下转换为RS485电平的串行数据，实现从潜水钟到船上进行长距离有线传输，通过船上的RS485/RS232接口转换3，把数据信号传送到桌面的计算机4，再通过计算机4处理后显示结果，为医生实时提供监控数据，动态掌握潜水员水下作业时的身体状况。Specifically, divers are active during underwater operations, which is very different from patients doing static tests in hospitals. The sensor is made wearable to maximize the comfort and reliability of wearing. The vital sign signal detection and sendingdevice 1 controls and processes the detected vital sign signal through the microprocessor, and then sends the data through the internal wireless data transmission module. The vital sign signal receivingdevice 2 is generally placed in the diving bell Inside, it is responsible for receiving the diver’s vital signs signal, which is converted into RS485 level serial data under the control of the microprocessor, realizing long-distance wired transmission from the diving bell to the ship, and converting it through the RS485/RS232 interface on theship 3 , transmit the data signal to the computer 4 on the desktop, and then display the result after processing by the computer 4, provide real-time monitoring data for the doctor, and dynamically grasp the physical condition of the diver when working underwater.

电极脱落检测6主要是针对心电信号的检测而设计的，因为潜水员在水下的运动有可能会使电极脱落，通过电极脱落检测6可以监测到电极是否脱落，一旦发生脱落可通过水下电话通知潜水员进行适当调整。微弱的体表心电信号通过心电检测电极16，进行放大，滤除杂波，使有用信号达到AD采样要求，经12位AD转换器进行转换，然后送到MSP430微处理器处理、存储。放大后的心电信号经过QRS波提取得到心率脉冲，由MSP430微处理器的中断口直接读取。呼吸传感器19的信号经过放大滤波达到采样要求后进行AD转换，由MSP430微处理器处理。体温传感器101采用高精度数字温度传感器，体温数据可以通过MSP430微处理器的I/O口直接读取。MSP430微处理器读取到各生命体征信号后，先存储到存储电路14，进行原始数据的保存，再通过无线发送电路15，把数据发送到无线接收电路21。The electrode fall detection 6 is mainly designed for the detection of ECG signals, because the diver's underwater movement may cause the electrode to fall off, and the electrode fall off detection 6 can monitor whether the electrode has fallen off. Once it falls off, the underwater phone can Notify divers to make appropriate adjustments. The weak body surface ECG signal is amplified by theECG detection electrode 16, and the clutter is filtered out, so that the useful signal meets the AD sampling requirement, converted by a 12-bit AD converter, and then sent to the MSP430 microprocessor for processing and storage. The amplified ECG signal is extracted through the QRS wave to obtain the heart rate pulse, which is directly read by the interrupt port of the MSP430 microprocessor. After the signal of thebreathing sensor 19 is amplified and filtered to meet the sampling requirements, it is converted to AD and processed by the MSP430 microprocessor. Thebody temperature sensor 101 adopts a high-precision digital temperature sensor, and the body temperature data can be directly read through the I/O port of the MSP430 microprocessor. After the MSP430 microprocessor reads each vital sign signal, it is first stored in thestorage circuit 14 to store the original data, and then the data is sent to thewireless receiving circuit 21 through thewireless sending circuit 15 .

Claims

1. diver's underwater performance vital sign monitoring device, comprise that a vital sign parameter signals detects and transmitting element, vital sign parameter signals receiving element and computer, it is characterized in that: described vital sign parameter signals detection and transmitting element are by signal detection amplifying circuit, analog to digital conversion circuit, first microprocessor, memory circuit, the pick off of a wireless transmission circuit and an above number constitutes, described pick off is connected with described signal detection amplifying circuit or first microprocessor by lead, signal detection amplifying circuit is connected with described analog to digital conversion circuit, analog to digital conversion circuit, described memory circuit is connected with first microprocessor respectively with wireless transmission circuit, described vital sign parameter signals receiving element is by wireless receiving circuit, second microprocessor, the communication interface circuit constitutes, described wireless receiving circuit is connected with described wireless transmission circuit by 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, at least include the electrocardio detecting electrode in the described pick off, described electrocardio detecting electrode is made of conductive fabric.

2. diver's underwater performance vital sign monitoring device as claimed in claim 1, it is characterized in that: described communication interface circuit is a serial communication circuit.

3. diver's underwater performance vital sign monitoring device as claimed in claim 2 is characterized in that: 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.

4. diver's underwater performance vital sign monitoring device 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.

5. diver's underwater performance vital sign monitoring device as claimed in claim 1, it is characterized in that: include respiration pickup in the described pick off, described respiration pickup is connected with signal detection amplifying circuit by lead.

6. diver's underwater performance vital sign monitoring device 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 of digital temperature sensor, and described digital temperature sensor is connected with first microprocessor by lead.

7. diver's underwater performance vital sign monitoring device as claimed in claim 1 is characterized in that: watt now low-pass filtering and the amplification of leading select circuit to form to described signal detection amplifying circuit by passive high-pass filtering circuit, amplifying circuit, Bart.

8. diver's underwater performance vital sign monitoring device as claimed in claim 1 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.

9. diver's underwater performance vital sign monitoring device as claimed in claim 3, it is characterized in that: described RS485 interface is connected with described computer by cable.