CN104270452B - A kind of tele-medicine data management system and its wireless network communication method - Google Patents
A kind of tele-medicine data management system and its wireless network communication method Download PDFInfo
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- CN104270452B CN104270452B CN201410532633.7A CN201410532633A CN104270452B CN 104270452 B CN104270452 B CN 104270452B CN 201410532633 A CN201410532633 A CN 201410532633A CN 104270452 B CN104270452 B CN 104270452B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of tele-medicine data management system and its wireless network communication method, the system includes entering the multiple radio nodes and a host computer of row data communication by wireless network.The beneficial effect that the present invention is reached：One master computer can carry out remote dynamic monitoring and data management to more instruments monitored simultaneously, realize data resource sharing；Host computer has carried out authentication to radio node, limits the use of imitated node, and security also greatly improves；System can examine the working condition and number surveyed to radio node in network in real time, to the emergency case in communication process can be timely automated react, network throughput is effectively improved, once communication environment recovers normal, ensures the automatic recovery that communication again can be orderly in time；Host computer can dynamically adjust the communication cycle and strategy of each node and host computer, have more flexible adaptability, have to the transformable radio node of working condition well it is managerial, scheme is simple and easy.
Description
Technical field
The present invention relates to a kind of tele-medicine data management system and its wireless network communication method, belong to wireless telecommunications skill
Art field.
Background technology
With the development of computer networking technology, computer long-distance control monitors the various monitor and communication systems of radio node
Continue to bring out, but usually host computer measures monitoring to the radio node of fixed number, data collection cycle is fixed, if
When some radio nodes break down or not worked temporarily in radio node, what communication system did not worked often because of these
Radio node and the call duration time for taking part, cause the reduction of network communication efficiency；When needing new wireless of increase in network
During node, host computer needs to reset the relevant information of newly-increased radio node, adjusts communication protocol and sequential of network etc.,
It can make to newly increase node normal work, have impact on operating efficiency；If host computer shutdown suddenly or network, which break down, makes node
Be unable to proper communication with host computer, radio node may still gather the data of monitored instrument while wait with it is upper
Machine communicates, even if for there is the communications protocol host computer of initial handshake signal, upper electricity or network recovery are normal again, if not
Normal communication can not then be continued by carrying out hardware reset to radio node system.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of teledata based on wireless communication networks
Communication and the tele-medicine data management system and its wireless network communication method of node dynamic management, can be to saving in wireless network
The change of point working condition and network state is monitored in real time, and Mobile state management is entered in the communication to radio node, is had very strong
Flexibility and practical value.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of tele-medicine data management system, it is characterized in that, including host computer, wireless network and multiple radio nodes；
Each radio node is connected with a monitored instrument；The radio node is connected to described upper by wireless network
Machine；The radio node gathers the data of the monitored instrument in real time, and sends the master system to；The host computer
The working condition of radio node described in dynamic monitoring, and control each radio node to send data, receive and preserve each radio node
The data of transmission.
A kind of wireless network communication method of tele-medicine data management system, it is characterized in that, the radio node with it is upper
The communication of position machine is divided into following steps：
1）Each radio node is reported for work to the master system；After the host computer confirms, by radio node plus
Enter into " activation " node listing, host computer sends signal to radio node, and the radio node enters working condition；
2）The radio node sends batch data communication request, institute according to the requirement of communication cycle to the host computer
State and enter row data communication with radio node after host computer confirmation request.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the step 1）
In, the radio node will send the identity identification information of radio node when being reported for work to host computer to host computer, described upper
After machine receives information of reporting for work, retrieving identity database, will not for illegal node to determine the legitimacy of the radio node
Described " activation " node listing can be added to.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the step 1）
In, the radio node is as host computer request connection described in client from trend；If successful connection, each radio node
The information of reporting for work of this node is sent to host computer, so that the host computer identifies and manages；If connection is unsuccessful, the wireless section
Point waits host computer to agree to connection request always, if still connecting unsuccessful, radio node delays certain time position again up
Machine request connection.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the host computer
Radio node is added in " activation " node listing by the information of reporting for work according to receiving, and counts the number of nodes in list, institute
State host computer and confirm that node informs the quantity in now described " activation " node listing of each radio node reported for work after reporting for work.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, work as radio node
After reporting for work successfully, host computer is that radio node distributes communication time period and cycle, and host computer is added in a communication cycle and set in advance
The data communication connection request of the radio node is not received in fixed delay value, then the radio node is considered as failure or fallen
Line, host computer delete the information of reporting for work of the radio node from " activation " node listing, in " activation " node listing
Quantity subtract one；After if radio node is reported for work successfully, in communication cycle plus connection in delay value set in advance less than upper
Machine, then it is considered as communication failure, the radio node is reported for work to the host computer again, and now radio node stops to being monitored instrument
Device gathered data, and request of reporting for work is sent to host computer automatically as client；If the radio node and host computer communication are extensive
Multiple normal, the quantity in " activation " node listing adds one, and reporting for work for the radio node " is swashed described in information addition
It is living " node listing.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the wireless section
Point using the quantity in " activation " node listing as foundation, automatically control data buffer storage size and dynamically adjustment with it is described upper
The communication cycle that machine is carried out；The communication cycle is controlled by timer；When the timer overflows every time, the radio node
The host computer is connected as client active request and carries out communication of reporting for work.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the step 2）
In, the radio node enters working condition after reporting for work successfully, radio node gathers and preserves coupled supervised in real time
Survey the data of instrument；When the radio node reaches the time with host computer communication cycle defined, radio node is as visitor
Family end sends connection request to host computer；The radio node sends data communications requests order to host computer, and host computer receives
After request, if now the communication port of the host computer is idle, host computer receives the connection data communication of the radio node
Request；If now the communication port of host computer is not idle, host computer puts the connection data communications requests of the radio node
Enter in an orderly request queue, after the communication port free time of host computer, connection number is taken out successively from the request queue
According to communication request, and start to communicate with the data of respective wireless node.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the host computer
After the data for having received radio node collection, the quantity in now described " activation " node listing is sent to the wireless section
Point, and disconnect network connection and terminate the communication of this data.
A kind of wireless network communication method of foregoing tele-medicine data management system, it is characterized in that, the wireless section
Point with host computer report for work communicate and data communication be is carried out in different port, report for work communicate with data communicate independently of each other.
The beneficial effect that the present invention is reached：One master computer can carry out long distance moving to more instruments monitored simultaneously
State monitors and data management, realizes data resource sharing；Host computer has carried out authentication to radio node, and illegal node is not
Network can be entered, limit the use of imitated node, security also greatly improves；System can examine survey in real time to nothing in network
The working condition and number of line node, to the emergency case in communication process（Such as power-off, suspension, host computer or radio node
Shutdown suddenly）Etc. can be timely automated react, network throughput is effectively improved, once communication environment recovers just
Often, the automatic recovery that communication again can be orderly in time is ensured；Host computer can dynamically adjust the communication week of each node and host computer
Phase and strategy, there is more flexible adaptability, have to the transformable radio node of working condition well it is managerial, scheme is simple
It is easy.
Brief description of the drawings
Fig. 1 is wireless telecommunications system schematic diagram；
Fig. 2 is wireless remote data communication management method schematic diagram.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
A kind of tele-medicine data management system as shown in Figure 1, including host computer, wireless network and multiple wireless sections
Point.Include controller module, wireless communication module and buffer module inside radio node.Each radio node with a quilt
Monitoring instrument is connected, and radio node is connected with monitored instrument by serial port, and foundation and the communications protocol of monitored instrument
The data of the monitored instrument of collection in real time.Relative to wireless communication speed, the speed of serial communication is slower, in order to improve net
The efficiency of network communication, is configured with larger data buffer in radio node." activation " that radio node notifies according to host computer
Number of nodes, the data buffer area size in a work period is set dynamically in buffer module, such as host computer each second
The data of one radio node of collection once, in network have N number of " activation " radio node, then are the monitored instrument data of guarantee
Integrality, the data buffer area of setting must be able to preserve the data volume of the N seconds from the output of monitored instrument.In a work period
In, under the control of radio node controller module, first the data gathered from monitoring instrument are write in buffer module；When
After radio node receives the order that host computer sends data, under the control of controller module, the fast fast reading from buffer module
All data messages stored are taken, and by wireless communication module, are sent to host computer in bulk.
Radio node is connected to upper, the data of the monitored instrument of collection in real time by wireless network, and sends to upper
Machine system.The working condition of host computer dynamic monitoring radio node, and control each radio node to send data, receive and preserve each
The data that radio node is sent.
A kind of wireless network communication method based on tele-medicine data management system above, radio node and host computer
Communication is divided into following steps：
1）Each radio node is reported for work to master system；After host computer confirms, radio node is added to " activation " section
In point list, host computer sends signal to radio node, and radio node enters working condition.
2）Radio node sends batch data communication request, host computer confirms according to the requirement of communication cycle to host computer
Enter row data communication with radio node after request.
Specific detailed step is as follows：
1) on radio node after electricity, active request connection host computer, after successful connection, this radio node is sent to host computer
Information of reporting for work.
2）After host computer receives IP address and identity information, retrieving identity database, judge radio node identity whether
It is legal.
3）If the identity of radio node is legal, the IP address that host computer sends radio node is saved in " activation " node row
In table, and by list radio node number reply currently processed " activation " state of radio node radio node number N, nothing
Line node set accordingly with the communication time period of host computer and cycle, if radio node identity is illegal, with ignoring the IP of the node
Location message.
4）Radio node starts collection and supervised using N as the caching that acquisition monitor device N second datas can be stored according to distribution
Survey the data of instrument.And connection request one is actively sent to host computer per the N seconds as the communication cycle with host computer using N
It is secondary.
5）Host computer receives connection request and now host computer is idle, then agrees to the connection request of radio node, wireless section
Successful connection is put, then host computer sends request data instruction to radio node；If now host computer is not idle, host computer
The IP address of radio node is put into " node of request connection " queue in order, after waiting the host computer free time, then successively from " request section
The IP address for the node for proposing connection request is taken out in point " queue, and connects and communicates one by one with corresponding node.
6）After radio node receives mentioned order, the data for the monitored instrument that the N seconds are collected pass through wireless network
Reply to host computer.
7）Host computer replied after receiving data radio node this moment in network " activation " radio node number N '.
8）Radio node preserves new N ', adjustment and is communicated by the size of the caching of monitor communication and with host computer
Cycle.
9）If in the delay time that certain " has activated " node communication cycle, host computer does not receive its connection request all the time,
Then think that the node has been switched off, host computer deletes the IP address for being stored in the node in " activation " node listing, and by N values
Subtract one.
10）If after radio node request connection host computer, host computer is all the time without response in certain time delay, then it is assumed that
Network environment exception or host computer have shut down.Radio node need not gather the data of monitor, radio node shape again this moment
State returns to step 1）, again wait for actively sending connection request to host computer after communication environment is normal.
The reporting for work of radio node and host computer is communicated and data communication is carried out in different port, and reporting for work communicates and data
Communication is separate.Such as Fig. 2, two port numbers, its middle port one are provided with host computer network service（Port numbers are
8023）Reporting for work and activating for radio node, port two（Port numbers are 8046）For radio node and the batch of host computer
Data communicate.
In step 1）In, radio node will send the identification of radio node when being reported for work to host computer to host computer
Information（Formed by the ID number encrypted combination of ARM chips）, after host computer receives information of reporting for work, retrieving identity database is to determine this
The legitimacy of radio node, " activation " node listing will not be added to for illegal node.
Host computer is connected by port one as client first after electricity on radio node, two ports of host computer are always
In listening state, radio node asks to connect to host computer：If successful connection, each radio node sends this section to host computer
The information of reporting for work of point, including IP address, identity information etc., so that host computer identifies and manages；If connection is unsuccessful, radio node
Host computer is waited to agree to connection request always, if still connecting unsuccessful, radio node delays certain time position machine again up
Request connection.
Host computer according to the information of reporting for work received judge it is legal after by legal radio node be added to " activation " node row
In table, and the number of nodes in list is counted, while host computer informs that each radio node reported for work now " activates " node
Quantity in list.Then radio node is " activated ", i.e., into working condition, and closes network connection.
Quantity of the radio node in " activation " node listing is foundation, automatically controls data buffer storage size and dynamic is adjusted
The whole communication cycle carried out with host computer.Communication cycle is controlled by timer I, and timer I is used for control node gathered data
Time and the time interval for entering row data communication with host computer.
Timer II is additionally provided with, timer II cycle time is arranged to a communication cycle and prolonged plus set in advance
Duration.When host computer does not receive the data communication connection request of the radio node within timer II cycle time, then wirelessly
Node is considered as failure or gone offline, and host computer deletes the information of reporting for work of the radio node, " activation " section from " activation " node listing
Quantity in point list subtracts one；If after radio node is reported for work successfully, being connected within timer II cycle time less than host computer,
Then it is considered as communication failure, radio node is reported for work to host computer again, and now radio node stops to monitored instrument gathered data,
And request of reporting for work is sent to host computer automatically as client.After radio node and host computer communication recovery are normal, " activation "
Quantity in node listing adds one, and the information of reporting for work of radio node is added into " activation " node listing.
Radio node enters working condition after reporting for work successfully, radio node gathers and preserves coupled supervised in real time
Survey the data of instrument.When radio node reaches the time with host computer communication cycle defined, i.e., when the timing of timer I
After arriving, radio node sends connection request with port two as client to host computer.Radio node sends data to host computer
Communication request command, after host computer receives request, radio node receives the data cached after order by Wi-Fi uploads, if
Now the communication port of host computer is idle, then host computer receives the connection data communications requests of radio node；If now host computer
Communication port it is not idle, then the connection data communications requests of radio node are put into an orderly request queue by host computer
In, after the communication port free time of host computer, take out connection data communications requests successively from request queue, and start and corresponding nothing
The data communication of line node.
After host computer has received the data of radio node collection, this is sent to by the quantity in node listing now " is activated "
Radio node, and disconnect network connection and terminate the communication of this data.Radio node according to new quantitative value distribute cache size and
Reopen timer I and timer II.
A master computer can carry out remote dynamic monitoring and data pipe to more instruments monitored simultaneously in this method
Reason, realizes data resource sharing；Host computer has carried out authentication to radio node, and illegal node can not enter network, limit
The use of imitated node is made, security also greatly improves；System can examine the work surveyed to radio node in network in real time
State and number, to the emergency case in communication process（As power-off, suspension, host computer or radio node shut down suddenly）Deng all
It timely automated can react, be effectively improved network throughput, once communication environment recovers normal, ensure that communication again can
Automatic recovery orderly in time；Host computer can dynamically adjust the communication cycle and strategy of each node and host computer, have compared with
Flexible adaptability, have to the transformable radio node of working condition well it is managerial, scheme is simple and easy.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of wireless network communication method of tele-medicine data management system, it is characterized in that, including host computer, wireless network
With multiple radio nodes；Each radio node is connected with a monitored instrument；The radio node passes through wireless network
Network is connected to the host computer；The radio node gathers the data of the monitored instrument in real time, and sends to described upper
Machine；The host computer monitors the working condition of the radio node in real time, dynamically controls each radio node to send data, and connect
Receive and preserve the data that each radio node is sent；
The communication of the radio node and host computer is divided into following steps：
1）Each radio node is reported for work to the host computer；After the host computer confirms, radio node is added to and " swashed
In work " node listing, host computer sends signal to radio node, and the radio node enters working condition；
2）The radio node sends batch data communication request according to the requirement of communication cycle, to the host computer, it is described on
Enter row data communication with radio node after the machine confirmation request of position；
The step 1）In, the radio node is as host computer request connection described in client from trend；If successful connection, often
The individual radio node sends the information of reporting for work of this node to host computer, so that the host computer identifies and manages；If connection is not
Success, the radio node wait host computer to agree to connection request always, if still connecting unsuccessful, radio node is delayed necessarily
Time position machine request connection again up；
The step 2）In, the radio node enters working condition after reporting for work successfully, radio node gather in real time and preserve with
The data of its monitored instrument being connected；When the radio node reaches the time with host computer communication cycle defined,
Radio node sends connection request as client to host computer；The radio node sends data communications requests life to host computer
Order, after host computer receives request, if now the communication port of the host computer is idle, host computer receives the radio node
Connect data communications requests；If now the communication port of host computer is not idle, host computer is by the connection number of the radio node
Be put into according to communication request in an orderly request queue, after the communication port free time of host computer, from the request queue according to
It is secondary to take out connection data communications requests, and start to communicate with the data of respective wireless node.
2. a kind of wireless network communication method of tele-medicine data management system according to claim 1, it is characterized in that,
The step 1）In, the radio node when being reported for work to host computer, believe by the identification that radio node is sent to host computer
Breath, after the host computer receives information of reporting for work, retrieving identity database is to determine the legitimacy of the radio node, for illegal
Node will not be added to described " activation " node listing.
3. a kind of wireless network communication method of tele-medicine data management system according to claim 2, it is characterized in that,
Radio node is added in " activation " node listing by the host computer according to the information of reporting for work received, and counts the section in list
Point quantity, the host computer confirm that node informs now described " activation " node listing of each radio node reported for work after reporting for work
In quantity.
4. a kind of wireless network communication method of tele-medicine data management system according to claim 3, it is characterized in that,
After radio node is reported for work successfully, host computer is that radio node distributes communication time period and cycle, and host computer is in a communication
Cycle is plus the data communication connection request for not receiving the radio node in delay value set in advance, then described wirelessly to save
Point is considered as failure or gone offline, and host computer deletes the information of reporting for work of the radio node from " activation " node listing, described " to swash
Quantity in work " node listing subtracts one；
After if radio node is reported for work successfully, less than host computer, then regarded plus connection in delay value set in advance in communication cycle
For communication failure, the radio node is reported for work to the host computer again, and now radio node stops to monitored instrument collection
Data, and request of reporting for work is sent to host computer automatically as client；If the radio node and host computer communication recovery are normal,
Quantity in " activation " node listing adds one, and " activation " node described in information addition of reporting for work of the radio node is arranged
Table.
5. a kind of wireless network communication method of tele-medicine data management system according to claim 3, it is characterized in that,
The radio node automatically controls data buffer storage size and dynamic adjusts using the quantity in " activation " node listing as foundation
The communication cycle carried out with the host computer；The communication cycle is controlled by timer；When the timer overflows every time, institute
Radio node is stated to connect the host computer as client active request and carry out communication of reporting for work.
6. a kind of wireless network communication method of tele-medicine data management system according to claim 1, it is characterized in that,
After the host computer has received the data of radio node collection, the quantity in now described " activation " node listing is sent to this
The radio node, and disconnect network connection and terminate the communication of this data.
7. a kind of wireless network communication method of tele-medicine data management system according to claim 1, it is characterized in that,
The reporting for work of the radio node and host computer is communicated and data communication is carried out in different port, reports for work communication and data communicate
Independently of each other.
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| CN105790900A (en) * | 2016-03-09 | 2016-07-20 | 佛山市黑盒子科技有限公司 | Reliable data returning method for aiming at low-speed wireless network |
| CN105867295A (en) * | 2016-06-03 | 2016-08-17 | 浪潮通用软件有限公司 | Communication method and upper computer |
| CN108259541A (en) * | 2016-12-29 | 2018-07-06 | 重庆融海超声医学工程研究中心有限公司 | Host computer and method, control method, therapeutic equipment and the system for sending signal |
| CN107798846A (en) * | 2017-11-17 | 2018-03-13 | 杭州海兴电力科技股份有限公司 | Remote meter reading method and system based on CSD communications |
| CN112788781B (en) * | 2020-12-29 | 2022-08-02 | 飞依诺科技股份有限公司 | Method, device and storage medium for network reconnection of wireless ultrasonic imaging system |
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