CN102752328A - Interactive wireless network-based remote health surveillance system - Google Patents
Interactive wireless network-based remote health surveillance system Download PDFInfo
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- CN102752328A CN102752328A CN2011100992836A CN201110099283A CN102752328A CN 102752328 A CN102752328 A CN 102752328A CN 2011100992836 A CN2011100992836 A CN 2011100992836A CN 201110099283 A CN201110099283 A CN 201110099283A CN 102752328 A CN102752328 A CN 102752328A
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Abstract
The invention provides a wireless sensor network-based embedded remote health surveillance system, which consists of network nodes, a wireless gateway, a central control computer and control software. According to the wireless sensor network-based embedded remote health surveillance system provided by the invention, the problems generated because a wired access mode is adopted by a traditional sensing control system are thoroughly ridded, and the troubles that wiring is difficult, the cost is overhigh, the maintenance management is difficult and patients have to accept health services in special places because of a wired control mode are avoided. The wireless sensor network-based embedded remote health surveillance system is wider in working and application range and low in system construction and maintenance cost. Moreover, compared with other wired control modes, wires between surveillance equipment a health sensor are reduced by the wired control mode adopted by the invention, so that a person under surveillance can have a more free activity space; while comparatively accurate measurement indexes are obtained, the phenomenon that the patients run about hard between families and hospitals is eliminated; and meanwhile, the modern information management levels of the hospitals and the working efficiency of medical personnel are also improved.
Description
Background technology
The present invention relates to the embedded type wireless sensing network system, especially relate to the embedded remote health monitoring system that the distributed sensing network node is carried out intelligent collecting and distributing control and data message fusion based on wireless sensor network.
Technical field
In the modern industry; The on-the-spot different types of distributed sensing systems of a large amount of uses that need of many Industry Control; Carry out field data collection and control; These systems mainly through behind the sensor acquisition field data, by holding wire or cable ways of connecting, are transferred to central control unit with heat transfer agent and control.The mode of wiring is adopted in the collection of transducing signal, and for many occasions, this sensing and controlling system exists difficult wiring, high, the shortcomings such as power consumption is big, difficult in maintenance and loaded down with trivial details, measured zone is narrow, poor reliability of system cost.
Present health supervision instrument also can be divided into two types, and one type is the specialized equipment of in hospital, being used by professional doctor or professional and technical personnel, patient is carried out the monitoring of physical signs; Another kind of is in ordinary people family or the open air, under doctor's guidance, uses remote health monitoring system that patient is guarded by patient or family members, and custodial care facility in time sends resulting physical signs to related doctor.At present, the employed monitoring method of hospital uses fixing health monitoring apparatus mostly; Connection device is connected sensor probe and carries out the signal transmission between patient and the custodial care facility; Complex apparatus and numerous signal links have not only brought psychological pressure to patient, have influenced result of treatment, have been with great inconvenience also for simultaneously doctor and patient; And the personal monitoring equipment of function singleness does not possess the function that real time data is transmitted in networking usually.
Therefore; Be necessary to develop a kind of remote health monitoring system; Make those personnel (such as chronic and gerontal patient etc.) that often need the measurement physical signs free movable state measure some physical signs down at home, and under the situation of necessity, obtain doctor's remote health guidance.This system has reduced the line between custodial care facility and the health sensor; Make children under guardianship can have more free activity space; When obtaining more accurately measurement index; Exempt the hard work that patient hurries back and forth between family and hospital, also improved hospital modernization information management degree and medical personnel's operating efficiency simultaneously.
Summary of the invention
For satisfy the remote modern health field on a large scale, at a distance, the requirement of low-power consumption, low cost, non-maintaining and wireless transmission; Solve many shortcomings that traditional wired sensing and detecting system exists; The present invention has announced the embedded remote health monitoring system of a cover based on wireless sensor network; This system can be loaded into database in this system according to different actual needs based on the embedded type wireless sensing network technology; The information of gathering patient itself with the wireless network mode real-time send to central control unit; The most existing wired sensing and controlling systems of instead solve many shortcomings of traditional sensor-based system, but and have monitoring movable target, advantage such as the discrete target that distributes on a large scale.
The technical scheme that the present invention adopted is: a kind of embedded remote health monitoring system based on wireless sensor network, and it is made up of network node, radio network gateway, central control computer and Control Software, and the whole system operation method comprises:
A. according to the monitoring demand, some network nodes are loaded on the radio network gateway of this remote health monitoring system and constitute the patient care unit, on Control Software, can revise basic parameters such as each network node network address, sensing measurement time, certainty of measurement;
B. network node carries out patient's information gathering through the transducer that it loaded, and through the processing of amplification, filtering, temperature-compensation circuit etc., through mould/number conversion, the information that collects is input to the intra-node processor carries out data processing again;
C. network node adopts the Zigbee communication protocol stack standard based on IEEE802.15.4, and the data that collect are sent on the radio network gateway;
D. radio network gateway adopts wireless transmission method such as WIFI/3G that the data that collect are sent on the central control computer;
E. central control computer is forwarded to corresponding data on doctor's the personal data processing terminal through local area network (LAN) and/or internet;
F. central control computer can be according to the control needs, and the network node and the radio network gateway of system carried out online field programming, online modification sensing measurement, information transmission and system control mode;
G. network node and radio network gateway, radio network gateway and central control computer, central control computer and personal data processing terminal adopt the bidirectional data transfers mode.
More specifically, described network node is the device that is provided with detection modules such as electrocardio, blood oxygen, pulse, temperature, breathing and Zigbee wireless transport module.
More specifically, radio network gateway is to have the Zigbee wireless transport module at least and WIFI/3G wireless transport module connectivity port is provided or the device of built-in WIFI/3G wireless transport module.
The present invention has thoroughly broken away from the problem that traditional sensing and controlling system is taked line access mode; Avoided the wiring difficulty of bringing because of wired control mode and cost is too high, maintenance management is difficult, patient must accept health service in special field puzzlement; The work and the scope of application are more extensive; System buildup and maintenance cost are cheap, and compare with other controlled in wireless modes, and this has reduced the line between custodial care facility and the health sensor; Make children under guardianship can have more free activity space; When obtaining more accurately measurement index, exempted the hard work that patient hurries back and forth between family and hospital, also improved hospital modernization information management degree and medical personnel's operating efficiency simultaneously.
Description of drawings
Fig. 1 is the remote health monitoring system sketch map of the embodiment of the invention;
Fig. 2 is network node hardware designs module distribution figure in the embodiment of the invention;
Fig. 3 is a network node display screen angular detection interface schema in the embodiment of the invention;
Fig. 4 is that the network node luminous intensity detects interface schema in the embodiment of the invention;
Fig. 5 is that the hardware of network node is selected block diagram for use in the embodiment of the invention;
Fig. 6 is that the network node pre ure tra ducer detects schematic diagram in the embodiment of the invention;
Fig. 7 is radio network gateway hardware designs module distribution figure in the embodiment of the invention.
Main symbol implication:
1. main control chip 13. is surfed the Net at once and is triggered key
2. dynamic storage device 14. is installed the miscellaneous function keyboards
3. Nonvolatile memory device 15. installs display interfaces
4. auxiliary detection unit 16. wireless/3G network interfaces
5. wired network connects 17. speaker/earpiece interfaces
6. DC power supply input interface 18. microphone interfaces
7.CF-I/CF-II storage clamping 19. real-time clock reserce cells
8.SD/MMC/Memory Stick/MD four unification storage clampings 20. angular transducers
9.ZigBee network connects 21. audio codecs
10. can be used as the part 22.DC-DC power circuit of integrated module
11. intensity of illumination checkout gear 23.USB main interface
12. the Internet resources update mode and as a result indicator light 24.USB from interface
Embodiment
Provide preferred embodiment of the present invention below, these embodiment and unrestricted content of the present invention.
Embodiment
Embodiments of the invention provide a kind of embedded remote health monitoring system based on wireless sensor network, and it is made up of network node 200, radio network gateway 300, central control computer 400 and Control Software, and the whole system operation method comprises:
A. according to the monitoring demand; Some network nodes 200 are loaded into constitute the patient care unit on the radio network gateway 300 of this remote health monitoring system, on Control Software, can revise the basic parameters such as the network address, sensing measurement time, certainty of measurement of each network node 200;
D. radio network gateway 300 adopts wireless transmission method such as WIFI/3G that the data that collect are sent on the central control computer 400;
E. central control computer 400 is forwarded to corresponding data on doctor's the personal data processing terminal through local area network (LAN) and/or internet;
F. central control computer 400 can be according to the control needs, and the network node 200 and the radio network gateway 300 of system carried out online field programming, online modification sensing measurement, information transmission and system control mode;
Wherein, described network node 200 is the devices that are provided with detection modules such as electrocardio, blood oxygen, pulse, temperature, breathing and Zigbee wireless transport module.
Wherein, radio network gateway 300 is to have the Zigbee wireless transport module at least and WIFI/3G wireless transport module connectivity port is provided or the device of built-in WIFI/3G wireless transport module.
This device actual is presented as the control circuit board that is installed in behind the LCDs.15 of Fig. 2 is the display interface of this device, is 24 bit digital RGB888, supports TFT RGB LCDs.
This device is selected the main control chip of the microprocessor of an embedded network enabled interface of high speed and control interface as device for use.Main control chip is seen accompanying drawing 2 with the distribution interface of other modules of device; Wherein 5 of Fig. 2 and 16 is respectively wired and the WiFi/3G network interface; Be used for realizing that the community health service central control computer 400 with the Internet carries out interactive communication, cooperate be stored in Fig. 23 in Control Software can realize local data is uploaded to and specify community health service center central control computer 400.Among Fig. 2 12 is network update mode and indicator light as a result, and this device can be through this indicator light prompting user with operation result in the running status that triggers after starting with central control computer 400 Control Software.This device is provided with angular transducer (see figure 3) and optical sensor (see figure 4) and auxiliary detection circuit; Main control chip detect device current put the angle of inclination after; Can start the DP display processor of optimizing digital data with angle; Digital data optimization action includes but not limited to distortion, color compensating, brightness and contrast's adjustment of digital data, to reach the optimum display effect of viewing and admiring this device under the angle current; The induced electricity that D1/D2 photodiode among Fig. 4 produces fails to be convened for lack of a quorum and increases with intensity of illumination; After main control chip receives the current intensity of illumination information that the auxiliary detection unit sends over; Can start the handling procedure of mode of operation with the intensity of illumination adjustment; Judge whether to reach the most weak numerical value of illumination of setting; If reach, then verify the corresponding screen protection pattern that gets into according to this, the screen protection pattern includes but not limited to close screen display, shows the screen protection digital data and gets into park mode.
In conjunction with accompanying drawing 2,17,18 of Fig. 2 is the speaker/earpiece and the microphone interface of device, and main control chip can be play the audio format signal of main flow form through AC-97 audio codec (this embodiment is the WM9712 that adopts Wolfson company).Adopt the auxiliary detection unit of 8031MCU (monolithic controller) in the instance of Fig. 5 as main control chip; Realize start, shutdown control; Detect the input of keyboard and sensor acquisition data-signal; Detect simultaneously timer constantly, current putting send to main control chip through UART (serial ports) after angle of inclination and the intensity of illumination sensor signal (but the auxiliary detection unit of this device be not limited to MCU, the built-in testing circuit of main control chip; Transmission interface also is not limited to UART, SPI, IIC and chip bus).In conjunction with accompanying drawing 2,3 and 4; At once online key of this device self (see Fig. 2 13) and Multi-Function Keyboard (see Fig. 2 14); After MCU detects the timer timing pip or the key of surfing the Net at once presses; The notice main control chip starts the Control Software with central control computer 400 immediately, realizes that local data is committed to central control computer 400 and upgrades with digital data download and share.
3 of accompanying drawing 2 is a Nonvolatile memory device; Be stored in the embedded Control software that is used for operating main control chip in the Nonvolatile memory device; Control Software and control configuration information can be selected effective 3G/ wireless network access way automatically under the device open state, central control computer 400 downloads are shared with the user from the health center with required information (including but not limited to film, picture, sound and literal).Embedded system can all be upgraded and also can partly be upgraded, and the part upgrading includes but not limited to user feedback module, sub-function module, network protocol module and other customization modules.Main control chip starts and the server interaction communications software modules after receiving triggering signal (timer is regularly exported, installed and the key of surfing the Net is at once pressed) immediately; Through after the authentication; Health center's server begins need to judge whether upgrading, all or part of software functional block of then upgrading according to this if desired.Upgrading groundwork and step are exactly administration module quantity, sort module, the current module release of report, contrast up-to-date module release, the contrast authorization message; If the version number of latest authorization module is greater than working as front module, then front module is worked as in backup, downloads up-to-date module; Cover and work as front module; Reporting system is relevant to be called, and restarts device when being necessary, overall process is given user's screen and indicator light prompting and helped.
The 9ZigBee network node 200 of Fig. 2 will receive the physiological values that medical energy converter collects through this interface for the data sink of monitoring base station, control program.
With the blood pressure measurement is example, asks for an interview shown in Figure 6ly, and blood pressure is in the human body physiological parameter very important one, and it comprises two kinds: systolic pressure and diastolic pressure.The present invention adopts the PIC16F877 single-chip microcomputer and gathers blood pressure, pulse, links to each other with ZigBeeCC2430 through MAX232 and realizes the wireless transmission of blood pressure, pulse data.
With the measurement of bldy temperature is example, and the temperature data acquisition module is made up of infrared temperature sensor, single-chip microcomputer, amplifying circuit, A/D converter.The infrared thermopile temperature sensor ZTP-135 that infrared temperature sensor adopts U.S. GE company to produce, what amplifying circuit adopted is the OP07 tertiary structure, and the first order is an emitter follower, and second and third level is respectively 30 times, 100 times amplifications.51 single-chip microcomputers link to each other with ZigBee CC2430 and can realize the wireless transmission of the data after the A/D conversion.
Fig. 7 is radio network gateway 300 hardware configuration sketch mapes; Radio network gateway 300 hardware comprise data processing, wireless radiofrequency transmitting-receiving, communication serial port three big modules; Wherein the corresponding module of data processing and wireless radiofrequency transceiver module and network node 200 is consistent; Communication serial port is made up of USB interface and Ethernet interface two sub-module, and radio network gateway 300 connects the WIFI/3G wireless module through USB interface and links to each other with central control computer 400.
Among the present invention; Communicating by letter between network node 200 and the radio network gateway 300 all adopted based on the Zigbee communication protocol stack standard of IEEE 802.15.4 and the network communication mode of star-netted combination in the remote health monitoring system; Communication protocol stack comprises PHY, data link layer medium access control (MAC) layer protocol, Routing Protocol, network topology agreement, transport layer protocol and application layer protocol, the physical layer of corresponding OSI network model, data link layer, network layer, transport layer, session layer, presentation layer and application layer.
Among the present invention, embedded operation and low power management are adopted in network node 200 designs, and 200 overwhelming majority times of network node are in resting state, adopt during work and wake mode of excitation in real time up.
Among the present invention, said Control Software Control Network node 200 heat transfer agent data transmission flow job steps are following:
A, network node 200 carry out system initialization, and each register and program playback in initial condition;
B, system get into the dormancy wait state, and power consumption drops to system's minimum state;
When if the c system detects the sensing testing interrupt requests that network node 200 processors or central control computer 400 send; Network node 200 processor output systems are waken instruction up; Network node 200 begins to carry out the transducing signal data acquisition and detects; As required; Different sensor converts physical quantitys such as the electrocardio of required measurement, blood oxygen, pulse, temperature, breathing to and is prone to the simulation electrical signal such as electric current and voltage that detect, interrupts if detect test, and system returns resting state automatically;
D, sense analogue signal convert digital signal to through mould/number (A/D), and with the measurement data storage, deliver to microprocessor and radio frequency chip and handle and be packaged into data transmission form, and after disposing, network node 200 gets into the wireless transmission stages;
E, network node 200 send data sending request to radio network gateway 300, if receiving to receive responds, then get into next step operation, and locking network node 200 addresses, if do not receive response signal, then return and continue to search radio network gateway 300;
F, after radio network gateway 300 is ready; Network node 200 promptly communicates with radio network gateway 300 and shakes hands; And the packet of handling well is modulated into the radiofrequency signal of 2.4G Hz, through CC2420 or similar radio frequency chip packet is sent to radio network gateway 300;
G, radio network gateway 300 collect that the wireless transmission method through WIFI/3G directly is transferred to data on the central control computer 400 through the Internet after the data;
H, central control computer 400 are forwarded to data on doctor's the personal data processing terminal through local area network (LAN) and/or internet.
Claims (3)
1. embedded remote health monitoring system based on wireless sensor network, it is made up of network node, radio network gateway, central control computer and Control Software, and the whole system operation method comprises:
1) according to the monitoring demand, some network nodes are loaded into constitute the patient care unit on the radio network gateway of this remote health monitoring system, on Control Software, can revise basic parameters such as each network node network address, sensing measurement time, certainty of measurement;
2) network node carries out patient's information gathering through the transducer that it loaded, and through the processing of amplification, filtering, temperature-compensation circuit etc., through mould/number conversion, the information that collects is input to the intra-node processor carries out data processing again;
3) network node adopts the Zigbee communication protocol stack standard based on IEEE802.15.4, and the data that collect are sent on the radio network gateway;
4) radio network gateway adopts wireless transmission method such as WIFI/3G that the data that collect are sent on the central control computer;
5) central control computer is forwarded to corresponding data on doctor's the personal data processing terminal through local area network (LAN) and/or internet;
6) central control computer can be according to the control needs, and the network node and the radio network gateway of system carried out online field programming, online modification sensing measurement, information transmission and system control mode;
7) network node and radio network gateway, radio network gateway and central control computer, central control computer and personal data processing terminal adopt the bidirectional data transfers mode.
2. remote health monitoring system as claimed in claim 1 is characterized in that, described network node is the device that is provided with detection modules such as electrocardio, blood oxygen, pulse, temperature, breathing and Zigbee wireless transport module.
3. remote health monitoring system as claimed in claim 2 is characterized in that, radio network gateway is to have the Zigbee wireless transport module at least and WIFI/3G wireless transport module connectivity port is provided or the device of built-in WIFI/3G wireless transport module.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103310602A (en) * | 2013-06-28 | 2013-09-18 | 上海宽岱电讯科技发展有限公司 | Heart rate detection system and method based on ZigBee |
| CN103315741A (en) * | 2013-05-28 | 2013-09-25 | 大连理工大学 | Respiration monitoring method based on wireless link information |
| CN103476148A (en) * | 2013-09-24 | 2013-12-25 | 中国科学院上海微系统与信息技术研究所 | Wireless sensor network |
| CN104216615A (en) * | 2014-08-22 | 2014-12-17 | 深圳市理邦精密仪器股份有限公司 | Control method and control system for touch screens of monitoring instruments |
| CN104582007A (en) * | 2015-01-15 | 2015-04-29 | 贵州大学 | Comprehensive information gateway device based on zigbee technology |
| CN106100985A (en) * | 2016-06-21 | 2016-11-09 | 北京工业大学 | A kind of home health care gateway apparatus |
| CN106333649A (en) * | 2016-09-22 | 2017-01-18 | 河北中兴网信软件科技有限公司 | Health monitoring method and device |
| CN106780922A (en) * | 2017-01-20 | 2017-05-31 | 浙江小尤鱼智能技术有限公司 | A kind of intelligent access control system |
| CN107928637A (en) * | 2017-12-12 | 2018-04-20 | 吉林大学 | A kind of pulse manifestation testing system based on array of pressure sensors |
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2011
- 2011-04-20 CN CN2011100992836A patent/CN102752328A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103315741A (en) * | 2013-05-28 | 2013-09-25 | 大连理工大学 | Respiration monitoring method based on wireless link information |
| CN103315741B (en) * | 2013-05-28 | 2014-11-12 | 大连理工大学 | Respiration monitoring method based on wireless link information |
| CN103310602A (en) * | 2013-06-28 | 2013-09-18 | 上海宽岱电讯科技发展有限公司 | Heart rate detection system and method based on ZigBee |
| CN103476148A (en) * | 2013-09-24 | 2013-12-25 | 中国科学院上海微系统与信息技术研究所 | Wireless sensor network |
| CN104216615A (en) * | 2014-08-22 | 2014-12-17 | 深圳市理邦精密仪器股份有限公司 | Control method and control system for touch screens of monitoring instruments |
| CN104216615B (en) * | 2014-08-22 | 2017-12-19 | 深圳市理邦精密仪器股份有限公司 | A kind of control method and system of patient monitor touch-screen |
| CN104582007A (en) * | 2015-01-15 | 2015-04-29 | 贵州大学 | Comprehensive information gateway device based on zigbee technology |
| CN106100985A (en) * | 2016-06-21 | 2016-11-09 | 北京工业大学 | A kind of home health care gateway apparatus |
| CN106333649A (en) * | 2016-09-22 | 2017-01-18 | 河北中兴网信软件科技有限公司 | Health monitoring method and device |
| CN106780922A (en) * | 2017-01-20 | 2017-05-31 | 浙江小尤鱼智能技术有限公司 | A kind of intelligent access control system |
| CN107928637A (en) * | 2017-12-12 | 2018-04-20 | 吉林大学 | A kind of pulse manifestation testing system based on array of pressure sensors |
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Application publication date: 20121024 |