CN102594922A - Wireless network system used for monitoring physical sign signals - Google Patents
Wireless network system used for monitoring physical sign signals Download PDFInfo
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- CN102594922A CN102594922A CN2012100821038A CN201210082103A CN102594922A CN 102594922 A CN102594922 A CN 102594922A CN 2012100821038 A CN2012100821038 A CN 2012100821038A CN 201210082103 A CN201210082103 A CN 201210082103A CN 102594922 A CN102594922 A CN 102594922A
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Abstract
The invention relates to a wireless network system used for monitoring physical sign signals, belonging to the field of medicine. The wireless network system solves the problem that the current physical sign monitoring equipment has instable network structure and low efficiency of data transmission and can only monitor one or two kinds of signals. In the wireless network system, m near-end network routers are arranged in the effective communication range of a network coordinator, and each near-end network router is hooked with a plurality of data collecting terminals; and n far-end network routers are arranged outside the effective communication range of the network coordinator, and each far-end network router is hooked with a plurality of data collecting terminals. The near-end network routers and the far-end network routers are hereafter referred to as network routers, and the network coordinator and the network routers form into a main star network. The network routers and a data processing center carry out information interaction through the network coordinator, and each network router and the data collecting terminals hooked on the network router form a sub star network.
Description
Technical field
The present invention relates to be used for the Radio Network System of sign signal monitoring, belong to medical domain.
Background technology
In the medical monitoring field, need to measure the sign signal of human body, like body temperature, heart rate and blood pressure etc., illness is made correct diagnosis and treatment.Yet the conventional artificial method of measurement need pursue the people, measure one by one, and inefficiency more for a long time, can produce bigger work load in the measurement number, and is easy to generate the subjective measurement error.And, in particular job occasions such as mine operations, need staff's under the real-time monitor well health, to protect its life security; To the occasion that sanitary condition has higher requirements, also need monitoring personnel's health condition in food production processing etc., to guarantee product quality.So, invent and a kind ofly can measure many human bodies flexibly, easily and levy the automatic monitoring system of signal and seem extremely important.
At present, emerging wireless sensor network technology is the effective means that overcomes the above problems.Use the sensor measurement sign signal of electronic type, and adopt the mode of radio communication to obtain measurement data, can realize the real-time monitoring of multinode.The now existing Bluetooth that uses international standard, Zigbee, Wi-Fi and communication protocol such as infrared are set up wireless network, be used for monitoring the method for sign signal, but its communication protocol are complicated, and for guaranteeing compatibility, the efficiency of transmission of valid data is lower.The method of using off-gauge SimpliciTI agreement to set up wireless network is also arranged, but the Star Network structure of setting up is too simple, network configuration is unstable, and the node in the network is lacked effectively management, causes the whole data transmission efficiency of network also lower.And the sign signal kinds that existing sensor network can be measured is single, can only monitor one or both signals.So, need a kind of network configuration stable, data transmission efficiency is high, and can monitor the wireless sensor network system of multiple sign signal simultaneously.
Summary of the invention
To the present invention seeks to that existing sign monitoring equipment network configuration is unstable in order solving, data transmission efficiency is low, and can only to monitor the problem of one or both signals, a kind of Radio Network System that is used for the sign signal monitoring is provided.
The Radio Network System that is used for the sign signal monitoring according to the invention, it comprises data processing centre, network coordinator, a m near-end network router, a n far-end network router and k data acquisition terminal,
M near-end network router is set within the efficient communication scope of network coordinator; Each near-end network router articulates a plurality of data collection stations; N far-end network router is set outside the efficient communication scope of network coordinator; Each far-end network router articulates a plurality of data collection stations
Network coordinator and m near-end network router and n far-end network router mutual group are built up primary type network; Each near-end network router carries out information interaction through network coordinator and data processing centre; Each far-end network router is communicated by letter with network coordinator through the mode of multi-hop; And carry out information interaction through network coordinator and data processing centre
Each near-end network router is set up into a sub-Star Network with a plurality of data collection stations that articulate above that, and each far-end network router is set up into a sub-Star Network with a plurality of data collection stations that articulate above that.
Advantage of the present invention: the present invention is in the complex environment, the real-time radio monitoring system of many people, many signs signal.It proposes a kind of stable three-layer network structure of being made up of network coordinator, network router and data processing terminal based on the SimpliciTI wireless communication protocol, forms the expansion hub-and-spoke network topology.With the network coordinator is the center, constitutes primary type network with network router; With the network router is the center, constitutes component type network with data processing terminal.Such network configuration has better self-organizing and from extended capability, and can manage the node in the network better, improves the data transmission efficiency in the network.
The present invention has designed the hardware circuit of wireless communication node.At data collection station; Simultaneously take temperature, heart rate and blood pressure signal, design circuit amplifies and processing such as filtering the signal of sensor measurement, and is sent to single-chip microcomputer and samples and measure; Also designed display circuit simultaneously, friendly when using and convenience with enhancement apparatus.The present invention has also designed data processing centre; Comprise host computer monitoring software and electronic data base resource; Can be at the state of each node of remote monitoring, and store historical measurement data in the database, convenient variation tendency according to characteristic signal judges soundly to body state.The present invention mainly is made up of four parts, i.e. data collection station, network router, network coordinator and data processing centre.
Description of drawings
Fig. 1 is the structural representation that is used for the Radio Network System of sign signal monitoring according to the invention;
Fig. 2 is that heart rate signal amplifies and filter circuit figure;
Fig. 3 is that blood pressure signal amplifies and sample circuit figure;
Fig. 4 is an expansion hub-and-spoke network topology structure chart.
Embodiment
Embodiment one: this execution mode is described below in conjunction with Fig. 1 to Fig. 4; The said Radio Network System that is used for the sign signal monitoring of this execution mode; It comprises data processing centre 1, network coordinator 2, a m near-end network router 3, a n far-end network router four and k data acquisition terminal 5
M near-end network router 3 is set within the efficient communication scope of network coordinator 2; Each near-end network router 3 articulates a plurality of data collection stations 5; N far-end network router four is set outside the efficient communication scope of network coordinator 2; Each far-end network router four articulates a plurality of data collection stations 5
Each near-end network router 3 is set up into a sub-Star Network with a plurality of data collection stations 5 that articulate above that; Each far-end network router four is set up into a sub-Star Network with a plurality of data collection stations 5 that articulate above that, and m, n and k are the natural number more than or equal to 1.
The path that the mode of said multi-hop is passed through is the path of the swap data resource between this far-end network router four and the data processing centre 1.
To the wireless network part, be described in detail its network topology structure below referring to Fig. 4.
The wireless communication part constitutes stable three-layer network structure by network coordinator, network router and data collection station, has formed the expansion hub-and-spoke network topology.Node in the network is divided into four types, and concrete is as shown in Figure 4.
In wireless network, be the center with network coordinator 2, constitute primary type network with near-end network router 3 and far-end network router four.Network coordinator 2 is directly managed near-end network router 3; Indirect control far-end network router four; Near-end network router 3 can carry out information interaction through stored resource among the database 1-2 in network coordinator 2 and the control data corporation 1, is the path of near-end network router 3 or far-end network router four and database 1-2 swap data resource like the heavy line among Fig. 4.Near-end network router 3 or far-end network router four are sent to network coordinator 2 with the uniform data of bottom, deliver in the control data corporation 1 to be saved to database 1-2 again; Resource among the database 1-2 can send network coordinator 2 downwards to, is dispensed to destination router (near-end network router 3 or far-end network router four) by network coordinator 2 again.Reduce the complexity of network like this, and improved the efficiency of transmission of data.
Simultaneously, be the center with network router (near-end network router 3 or be referred to as network router below the far-end network router four), constitute component type network with data collection station 5.Network router is as several data collection stations 5 of Centroid management, and 5 of each data collection stations are communicated by letter with corresponding network router, is the path of data collection station 5 and network router swap data like the fine line among Fig. 4.When new data collection station 5 added network, only need connect with network router got final product; When new network router added network, only need connect with network coordinator 2 got final product, and has increased the flexibility and the robustness of network configuration like this, helps the expansion of network configuration, enlarges network coverage area effectively.
Network router is the child node of network coordinator 2, carries out information interaction with network coordinator 2, and accepts the control of network coordinator 2.Network router within network coordinator 2 efficient communication scopes is called near-end network router 3, at the extraneous far-end network router four that is called of its efficient communication.Near-end network router 3 can be directly and network coordinator 2 establish a communications link; And the far-end network router four can't directly find network coordinator 2, and it can communicate through mode and the network coordinator 2 of near-end network router 3 with multi-hop.
In this communication mode, the network router of being skipped just plays the effect of energy relaying and information transmission, and they are not directly controlled the far-end network router four itself.In wireless network, far-end network router four and near-end network router 3 are relations of equity, and the far-end network router four is not the child node of near-end network router 3.
Data processing centre 1 comprises host computer 1-1 and database 1-2, and host computer 1-1 is through serial data port or also type FPDP database 1-2 is continuous, and host computer 1-1 links to each other with network coordinator 2 through communication port.
The host computer 1-1 of data processing centre 1 is used for the machine prison; Database 1-2 is the electronic data base resource; Data processing centre 1 can be at the state of each node of remote monitoring; And the history data store of measuring in database 1-2, is conveniently correctly judged body state according to the historical variations trend of sign signal.
Near-end network router 3 comprises near-end router wireless singlechip 3-1, near-end request signal input module 3-2, near-end answer signal memory module 3-3 and near-end router state indicating module 3-4; The request signal input of near-end router wireless singlechip 3-1 links to each other with the output of near-end request signal input module 3-2; The answer signal output of near-end router wireless singlechip 3-1 links to each other with the input of near-end answer signal memory module 3-3; The state of near-end router wireless singlechip 3-1 shows that output links to each other with the input of near-end router state indicating module 3-4, passes through wireless communication between near-end router wireless singlechip 3-1 and network coordinator 2, far-end network router four and the data collection station 5.
The far-end network router four comprises far-end router wireless singlechip 4-1, far-end request signal input module 4-2, far-end answer signal storage module 4-3 and far-end router state indicating module 4-4; The request signal input of far-end router wireless singlechip 4-1 links to each other with the output of far-end request signal input module 4-2; The answer signal output of far-end router wireless singlechip 4-1 links to each other with the input of far-end answer signal storage module 4-3; The state of far-end router wireless singlechip 4-1 shows that output links to each other with the input of far-end router state indicating module 4-4, passes through wireless communication between far-end router wireless singlechip 4-1 and network coordinator 2, near-end network router 3 and the data collection station 5.
The man-machine friendly interactive portion that is provided with on the network router.Send request signal through near-end request signal input module 3-2 or the network coordinator 2 of far-end request signal input module 4-2 to the upper strata, such as, the visit data base resource required; Can receive simultaneously the answer signal of network coordinator 2; It is stored among near-end answer signal memory module 3-3 or the far-end answer signal storage module 4-3, shows the data of the data collection station 5 of response message and demonstration local measurement by near-end router state indicating module 3-4 or far-end router state indicating module 4-4.
Its data transmission procedure is:
The sign data of the collection of each data collection station 5 are uploaded to corresponding near-end network router 3 or far-end network router four through the component type network at its place;
Near-end network router 3 is uploaded to network coordinator 2 with the sign data that receive through primary type network; This network coordinator 2 is with intrinsic data upload to the data processing centre that receives 1 storage, and network coordinator 2 passes through primary type network download in target near-end network router 3 with the data of data processing centre's 1 storage;
The far-end network router four is uploaded to network coordinator 2 with the sign data that receive through primary type network; This network coordinator 2 is with intrinsic data upload to the data processing centre that receives 1 storage, and network coordinator 2 passes through primary type network download to target far-end network router four with the data of data processing centre's 1 storage.
After system started working, network coordinator 2 was promptly searched for near-end network router 3, after searching near-end network router 3, promptly carried out network service and connected, and be near-end network router 3 distribution network addresses; At this moment, if there is the far-end network router four to be connected with network coordinator 2 through near-end network router 3, then network coordinator 2 can be far-end network router four distribution network address equally.Like this, after network coordinator 2 and all equal successful connection of network router, promptly set up primary type network.
After network router is started working; Can be at first attempt being connected with network coordinator 2, after this network router can begin search data acquisition terminal 5, when with all data collection station 5 successful connections after; Promptly set up component type network, whole like this wireless network all makes up completion.
Embodiment two: this execution mode is described further execution mode one, and it is the wireless singlechip of CC2510 that telegon wireless singlechip 2-1, near-end router wireless singlechip 3-1, far-end router wireless singlechip 4-1 and terminal wireless single-chip microcomputer 5-1 select model.
Embodiment three: this execution mode is described further execution mode one, and telegon state indicating module 2-3, near-end router state indicating module 3-4, far-end router state indicating module 4-4 and SOT state of termination indicating module 5-4 select the liquid crystal LCD display.
Embodiment four: this execution mode is described further execution mode one, and near-end request signal input module 3-2 and far-end request signal input module 4-2 select keyboard to realize the input of request signal.
Claims (8)
1. be used for the Radio Network System of sign signal monitoring, it is characterized in that, it comprises data processing centre (1), network coordinator (2), a m near-end network router (3), a n far-end network router (4) and k data acquisition terminal (5),
M near-end network router (3) is set within the efficient communication scope of network coordinator (2); Each near-end network router (3) articulates a plurality of data collection stations (5); N far-end network router (4) is set outside the efficient communication scope of network coordinator (2); Each far-end network router (4) articulates a plurality of data collection stations (5)
Network coordinator (2) builds up primary type network with m near-end network router (3) and n far-end network router (4) mutual group; Each near-end network router (3) carries out information interaction through network coordinator (2) with data processing centre (1); Each far-end network router (4) is communicated by letter with network coordinator (2) through the mode of multi-hop; And carry out information interaction through network coordinator (2) and data processing centre (1)
Each near-end network router (3) is set up into a sub-Star Network with a plurality of data collection stations (5) that articulate above that, and each far-end network router (4) is set up into a sub-Star Network with a plurality of data collection stations (5) that articulate above that,
M, n and k are the natural number more than or equal to 1.
2. according to the said Radio Network System that is used for the sign signal monitoring of claim 1; It is characterized in that; Data processing centre (1) comprises host computer (1-1) and database (1-2); Host computer (1-1) is through serial data port or also type FPDP database (1-2) is continuous, and host computer (1-1) links to each other with network coordinator (2) through communication port.
3. according to the said Radio Network System that is used for the sign signal monitoring of claim 2; It is characterized in that; Network coordinator (2) comprises telegon wireless singlechip (2-1), serial communication interface (2-2) and telegon state indicating module (2-3); The show state data output end of telegon wireless singlechip (2-1) links to each other with the data input pin of telegon state indicating module (2-3); The serial data input/output terminal of telegon wireless singlechip (2-1) links to each other with the input/output terminal of serial communication interface (2-2), passes through wireless communication between telegon wireless singlechip (2-1) and the near-end network router (3).
4. according to the said Radio Network System that is used for the sign signal monitoring of claim 1; It is characterized in that; Near-end network router (3) comprises near-end router wireless singlechip (3-1), near-end request signal input module (3-2), near-end answer signal memory module (3-3) and near-end router state indicating module (3-4); The request signal input of near-end router wireless singlechip (3-1) links to each other with the output of near-end request signal input module (3-2); The answer signal output of near-end router wireless singlechip (3-1) links to each other with the input of near-end answer signal memory module (3-3); The state of near-end router wireless singlechip (3-1) shows that output links to each other with the input of near-end router state indicating module (3-4), passes through wireless communication between near-end router wireless singlechip (3-1) and network coordinator (2), far-end network router (4) and the data collection station (5).
5. according to the said Radio Network System that is used for the sign signal monitoring of claim 1; It is characterized in that; Far-end network router (4) comprises far-end router wireless singlechip (4-1), far-end request signal input module (4-2), far-end answer signal storage module (4-3) and far-end router state indicating module (4-4); The request signal input of far-end router wireless singlechip (4-1) links to each other with the output of far-end request signal input module (4-2); The answer signal output of far-end router wireless singlechip (4-1) links to each other with the input of far-end answer signal storage module (4-3); The state of far-end router wireless singlechip (4-1) shows that output links to each other with the input of far-end router state indicating module (4-4), passes through wireless communication between far-end router wireless singlechip (4-1) and network coordinator (2), near-end network router (3) and the data collection station (5).
6. according to the said Radio Network System that is used for the sign signal monitoring of claim 1; It is characterized in that; Data collection station (5) comprises terminal wireless single-chip microcomputer (5-1), sign signal acquisition module (5-2), terminal seek help module (5-3) and SOT state of termination indicating module (5-4); The sign signal input part of terminal wireless single-chip microcomputer (5-1) links to each other with the sign signal output part of sign signal acquisition module (5-2); The seek help help signal output of module (5-3) of the help signal input of terminal wireless single-chip microcomputer (5-1) and terminal links to each other; The state of terminal wireless single-chip microcomputer (5-1) shows that output links to each other with the input of SOT state of termination indicating module (5-4), passes through wireless communication between terminal wireless single-chip microcomputer (5-1) and near-end network router (3) and the data collection station (5).
7. according to the said Radio Network System that is used for the sign signal monitoring of claim 1, it is characterized in that the path that the mode of said multi-hop is passed through is the path of the swap data resource between this far-end network router (4) and the data processing centre (1).
8. according to the said Radio Network System that is used for the sign signal monitoring of claim 1, it is characterized in that its data transmission procedure is:
The sign data of the collection of each data collection station (5) are uploaded to corresponding near-end network router (3) or far-end network router (4) through the component type network at its place;
Near-end network router (3) is uploaded to network coordinator (2) with the sign data that receive through primary type network; This network coordinator (2) is with intrinsic data upload to data processing centre (1) storage that receives, and network coordinator (2) passes through primary type network download in target near-end network router (3) with the data of data processing centre (1) storage;
Far-end network router (4) is uploaded to network coordinator (2) with the sign data that receive through primary type network; This network coordinator (2) is with intrinsic data upload to data processing centre (1) storage that receives, and network coordinator (2) passes through primary type network download to target far-end network router (4) with the data of data processing centre (1) storage.
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Application publication date: 20120718 |