CN107135204A - A kind of passive call replay system and method - Google Patents
A kind of passive call replay system and method Download PDFInfo
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- CN107135204A CN107135204A CN201710237354.1A CN201710237354A CN107135204A CN 107135204 A CN107135204 A CN 107135204A CN 201710237354 A CN201710237354 A CN 201710237354A CN 107135204 A CN107135204 A CN 107135204A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
- H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention proposes a kind of passive call replay system, including data management area and wireless sensing overlay network area, data management area includes calculating platform and gateway, wireless sensing overlay network area includes aggregation node and calling terminal, aggregation node and calling terminal are communicated by the first wireless network, and the aggregation node is communicated by second wireless network with the gateway of data management area.Passive call replay system proposed by the present invention simplifies initialization because not needing power supply, therefore service life extends, and reduce use cost, improves initialization efficiency, and without wiring, extend the application scenarios of passive call replay system.
Description
Technical field
The present invention relates to the application field of the communications field, more particularly to call answering.
Background technology
In hospital management, patient needs calling medical worker to check situation for it.Make in the hospital management most started
The mode manually looked after, but as continuing to optimize for hospital management occurs in that medical ward calling management system, the system
Appearance substantially increase the operating efficiency of medical personnel, in the case of identical ward scale, it is only necessary to a small number of medical personnel
All work just can be completed.
Traditional Medical sick room calling system is, by wired mode, the calling terminal of each sick bed to be connected into medical care
Personnel garrison place, i.e. nurse station, when patient presses calling terminal, and the medical personnel in nurse station are just it can be seen that calling letter
Breath, it becomes possible to timely go to check the situation of patient.Although traditional sick room calling system greatly optimizes hospital to patient
Management, disclosure satisfy that it is reliable, timely require, but it still suffers from wiring complexity, high cost, easy break-down, difficult maintenance
The problem of.
With the development of technology, the calling system using wireless technology is occurred in that in recent years.These wireless calling systems are exhausted
Most of Zigbee wireless-transmission networks all used, as the data transfer mode of system itself.Certainly also there is part
Solution selection uses the Radio Transmission Technologys such as 2.4G.But in the wireless calling system of existing all kinds,
Either calling terminal needs power supply to power, or need battery powered mode.Mean calling terminal using what power supply was powered
Arrangement have to significantly limit the arrangement of calling terminal in the place for possessing power supply, set especially for temporary needs
Put the place of calling terminal；And use battery powered calling terminal, although there is very big improvement in terminal arrangement limitation, but
It is to power to have individual common fault using battery：Need to change battery.It is annual to need to put into considerable fund used in calling system replacing
In terms of battery, use cost is added, and certain difficulty is also increased in system maintenance, because attendant is in maintenance
The calling terminal for going to safeguard the need for searching specifically is needed during calling terminal.
Therefore, because electricity in wiring complexity, high cost and the wireless calling system in order to solve wireline call system
A series of problems caused by source, the present invention propose it is a kind of based on wireless technology and it is micro- can technology the passive calling of new medical
Answering system and its application method.
The content of the invention
The purpose of the present invention is intended at least solution drawbacks described above, and there is provided a kind of passive call replay system and method.Institute
Stating passive call replay system includes：
Data management area and wireless sensing overlay network area；
The data management area further comprises：Calculating platform and gateway, the gateway be used for connect data management area and
Wireless sensing overlay network area；
The wireless sensing overlay network area further comprises：Aggregation node and calling terminal；The aggregation node and exhale
Terminal is made to be communicated by the first wireless network；The aggregation node passes through second wireless network and the gateway of data management area
Communicated；
When the calling terminal sends call information, the aggregation node receives the calling by the first wireless network
Information, the call information is sent to by second wireless network the gateway in the data management area, and the gateway is received
To after the call information, the calculating platform is sent to by communication network, the calculating platform receives the call information
Afterwards, the call information is shown by man-machine interface.
According to one embodiment of the invention, the calling terminal include micro-control unit module, wireless communication transmissions module,
Micro- energy collection module and external power source interface.
According to one embodiment of the invention, the calling terminal operationally, utilizes mechanical energy to produce by micro- energy collection module
Raw electric power is that micro-control unit module and wireless transport module are powered.
According to one embodiment of the invention, when being initialized to calling terminal, by external power source connection calling eventually
External power source interface on end is that micro-control unit module and wireless transport module are powered.
According to one embodiment of the invention, the wireless network that the aggregation node and calling terminal are communicated be 2.4G without
Gauze network, the wireless network that the aggregation node is communicated with the gateway of data management area is 433M wireless networks.
According to one embodiment of the invention, micro- energy collection module further comprises：Mechanical switching device, permanent magnet,
Coil and power supply processing circuit.
According to one embodiment of the invention there is provided when pressing calling terminal, it is described it is micro- can collection module
Mechanical switching device drives the permanent magnet of binding, and the magnetic flux of permanent magnet changes, so as to allow the line being wrapped on permanent magnet
Circle produces transient current, and the electric current of the generation is powered after the processing of power supply processing circuit for calling terminal.
According to one embodiment of the invention, the aggregation node further comprises：It is power supply, the first wireless transport module, micro-
Control unit module, the second wireless transport module and display module.
Present invention also offers a kind of passive call answering method, the passive call answering method includes：Initialization flow
Journey and normal workflow；
The initialization flow further comprises：
When calling terminal needs to carry out terminal initialization work, calling terminal is by externally fed module for power supply, wherein institute
Power-on time is stated more than threshold value T；
The channel number and delay variable t preserved in chip FLASH is loaded after electricity on calling terminal, passes through the channel number
The passage of instruction sends call information KEY, and with delay variable t from adding, as delay variable t>T threshold, then into terminal initial
Change process；
Calling terminal is entered by LED prompting and initializes flow, terminal sendaisle match information is waited after transmission
Aggregation node replys ack msg；
Judge whether the ack msg length Len received is more than 0, if it is greater than zero, then represent to receive convergence ack msg,
Otherwise switching channel sendaisle match information again, is always maintained at poll passage and sends match information, until receiving satisfaction
The ack msg of condition；
The normal workflow further comprises：
When calling terminal normal work, calling terminal is that the other parts of terminal are powered by micro- energy module, and terminal is upper
To delay variable t assignment after electricity, the channel number preserved in chip FLASH is loaded, delay variable t is carried out and adds certainly, and send calling
Information KEY；
After completion information KEY has been sent, whether computation delay variable t is more than threshold value T, and t is then repeated certainly when t is less than T threshold
Plus and the step of send call information KEY, wherein threshold value T be more than it is micro- can the time value that can power of module.
According to one embodiment of the invention, the Rule of judgment of switching channel further comprises, judges networking receipt order
ACK_CH_ON and signal intensity, when not receiving networking receipt order ACK_CH_ON, or signal intensity is less than threshold intensity
When then switching channel, again sendaisle match information；
It is more than 0 as the data length Len of reception, receives networking receipt order ACK_CH_ON and signal intensity is more than
During threshold intensity, then current channel number is saved in chip FLASH as data communication channel number, terminal initialization process knot
Beam, is terminated, calling terminal enters normal workflow by LED prompt terminal initialization procedure.
The passive call replay system of the present invention, has the effect that, 1, because do not need power supply, therefore service life is prolonged
It is long, while reduce use cost, 2, the calling terminal energy auto-initiation of the passive call replay system of the present invention carries out
Simplify, initialization efficiency improve, 3, the present invention passive call replay system be wirelessly transferred using data, without wiring, extension
The application scenarios of passive call replay system, 4, abundant networking mode, according to actual conditions reliability can be selected high
Networking mode, can also the low networking mode of alternative costs, while realizing two-way communication.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the passive call replay system of the present invention；
Fig. 2 is the calling terminal schematic diagram of the present invention；
Fig. 3 is that the micro- of the present invention can collection module structure chart；
Fig. 4 is the aggregation node schematic diagram of the present invention；
Fig. 5 is the passive call answering method workflow diagram of the present invention；
Fig. 6 is the aggregation node workflow diagram of the present invention.
Embodiment
The passive call replay system of the present invention, it is main to include such as lower component：
A) it is micro- to power：Calling terminal by its own it is micro- can collection module, by user press calling terminal when
Kinetic energy is converted into electric energy, so as to realize that substitute electric power is the power supplies such as control, communication module, solves because of power supply or battery confession
A series of problems caused by electric；
B) wireless sense network passage is matched：When needing to enter calling terminal row of channels initialization, by for calling terminal
Externally fed is carried out, calling terminal matches flow automatically into wireless sense network passage after power supply a period of time, at one section
Between after complete passage Auto-matching, calling terminal will pass through the passage after matching and send calling letter in data transfer afterwards
Breath；
C) passage is automatically selected：When calling terminal enters row of channels initialization, all passages of calling terminal meeting poll, when
When receiving the message of aggregation node return, by judging that return information is the passage match information of aggregation node, is not
It is to feed back to whether information, the signal intensity of feedback information of oneself are more than threshold value, will be current if these three situations are all met
Matching communication port is saved in chip FLASH as later data communication channel；
D) low-power consumption is handled：The low-power chip that whole calling terminal is all used so that the energy that micro- energy collection module is produced
Amount disclosure satisfy that the transmission of multiple call information, and then ensure that call information can completely be sent to aggregation node, increase
The reliability of data transfer；
E) aggregation node data display：When aggregation node receives calling terminal information, either passage matching request
Or call information will all be shown in the LED screen on aggregation node；
F) software kit is managed：For the passive call replay system of the new medical, support the use a software and carry out bed
The management software that position, calling, monitoring are integrated, can carry out the monitoring of call information in any place by this software, improve system
Autgmentability of uniting and mobility.
Fig. 1 is the schematic diagram of passive call replay system of the invention.The passive call replay system of the present invention can be applied
In multiple scenes, and it is not limited in medical scene.But in order to preferably describe the system, the present embodiment will combine medical environment
Illustrate.
As shown in figure 1, the passive call replay system of the present invention covers district's groups by data management area and radio sensing network
Into.Both are organically formed a whole by the gateway machine in data management area.By being placed in shield in data management area
Two compositions of computer and gateway machine at scholar station, both are connected by internet.In radio sensing network area
The main calling terminal group by the aggregation node between ward doorway and corridor and in ward by each sick bed
Into both are by wireless network one organic whole of formation, and the wireless networking mode can be existing any wireless combination
Mode, the present invention is illustrated from 2.4G and 433M wireless networks.Each convergence passes through 433M wireless networks and data management
The gateway in area is attached.Final calling terminal, aggregation node, gateway three constitute the wireless sense network of a tree
Network.
When whole system works, when user presses calling terminal switch, electrical energy drive is converted into by the kinetic energy compressed switch
Other modules work in switch, so as to send call information；Call information converges to aggregation node, aggregation node by 2.4G
The information being collected into progress processing is converted thereof into 433M communication datas, then data upload to gateway by 433M；Gateway
The information that radio sensing network region is uploaded is converted into the data that can be transmitted in internet nets, and final data passes through
Internet is transferred in the computer being connected with gateway, and computer is received after call information, eventually through pop-up, voice
A variety of man-machine interaction forms such as report notify the medical personnel by computers.
Fig. 2 show the calling terminal schematic diagram in the medical passive call replay system of the present invention.As shown in Fig. 2
There are MCU module, 2.4G wireless communication transmissions module, micro- energy collection module, LED and external power source interface group in calling terminal
Into.The electric power that whole system is produced in normal work by micro- energy collection module using mechanical energy wirelessly passes for MCU module, 2.4G
Defeated module for power supply.When needing to initialize calling terminal, then the external electrical on calling terminal is connected by external power source
Source interface is that MCU module and 2.4G wireless transport modules are powered.In whole calling terminal, MCU module to data except carrying out
Outside appropriate processing, the data that chip controls 2.4G wireless transport modules are controlled also in send and received, and control LED
The displaying of different lamp states is carried out under different conditions.
Fig. 3 is that the micro- of the present invention can collection module structure chart.As shown in figure 3, whole micro- energy collection module is by mechanical switch
Device, permanent magnet, coil and power supply processing circuit composition.The principle of generating is i.e. because magnetic flux change is produced based on electromagnetic induction
The phenomenon of induced electromotive force.When user needs calling by compressing switch, mechanical switching device drives the part permanent magnetism bound therewith
Body is moved together so that magnetic flux changes in permanent magnet, so that it is instantaneous to allow the coil being wrapped on permanent magnet to produce
Electric current, the electric current of generation eventually becomes by the processing of power supply processing circuit being capable of the electricity that utilizes of called terminal other modules
Energy.
Fig. 4 is the aggregation node schematic diagram of the present invention.As shown in figure 4, aggregation node, which includes power supply, 2.4G, is wirelessly transferred mould
Block, MCU module, 433M wireless transport modules and LED display module.Wherein power supply is other all module for power supply.MCU module
Control 2.4G wireless transport modules and 433M wireless transport modules realize transmission of the data between differing transmission protocols.In addition MCU
Module also controls the specifying information of LED display module display transmission.
Fig. 5 is the passive call answering method workflow diagram of the present invention.Two kinds of works of calling terminal are contained in Figure 5
Make the flow of mode：Normal workflow and terminal initialization flow.
In calling terminal normal work, calling terminal is that terminal other parts are powered by micro- energy module.Terminal is upper
Then to delay variable t assignment after electricity, the channel number preserved in loading chip FLASH, then carry out delay variable t from add operation and
Send call information KEY.After completion information KEY has been sent, whether the t that makes an inventory is more than T threshold, wherein delay T threshold is absolute
The time value that can be powered more than micro- energy module.T is then repeated from add operation and transmission call information KEY mistake when t is less than T threshold
Journey.
When calling terminal needs to carry out terminal initialization work, calling terminal is by externally fed module for power supply.Now exhale
Terminal is made to result in relative to micro- longer power-on time that can power, time span is far longer than T threshold.When on calling terminal
Then start to load the channel number that is preserved in chip FLASH after electricity and to delay variable t assignment, then sent and exhaled by the channel number
Information KEY and delay variable t is made to add certainly.The delay variable t after operation a period of time>T threshold, now enters terminal initialization
Process.Point out to enter calling terminal initialization flow by way of LED length flashes.Now terminal sendaisle matching letter
Breath, waited for a period of time after transmission for etc. the ack msg replied of aggregation node to be received, and waiting time, be more than can be normal
Receive the time span of data.After waiting for a period of time, judge whether the data length variables L en for receiving ack msg is more than 0,
Represent not receive ack msg less than or equal to 0, switching channel sendaisle match information again, poll passage is sent always
Match information, until receiving convergence ack msg.Number is then parsed when the data length variables L en for receiving ack msg is more than 0
According to, check ACK whether be transferred to oneself, whether be networking receipt order ACK_CH_ON, signal intensity whether be more than threshold
Value.The then switching channel when three conditions have one or more be unsatisfactory for, sendaisle match information again, and when three conditions
Current channel number is then saved in data communication channels number of the chip FLASH after, now terminal initialization when all meeting
Just complete, terminated by the long flash for prompting terminal initialization process of LED, follow-on-call terminal enters normal work stream
Journey.
Fig. 6 is aggregation node workflow diagram of the present invention.As shown in fig. 6, aggregation node is put into one after normal work
The flow of straight wait data receiver.After 2.4G modules receive data, the data that MCU parsings are received, when the control in data
When order processed is KEY, then it represents that the data are call information, MCU will be sent to gateway machine after data conversion by 433M modules；
When control command is the passage match information that ACK_CH then represents that the data are calling terminal, now the MCU of aggregation node then leads to
Cross 2.4G modules and send the reply ack msg for including ACK_CH_ON and ID.After the progress of both the above situation, aggregation node
By MCU LED screen will be controlled to show specific information, be then return to the state for waiting data receiver.And when the control of parsing
System is ordered when being not above-mentioned two situations, then the state without any processing for being returned directly to wait data receiver.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
It should be noted that and understand, in the situation for not departing from the spirit and scope of the present invention required by preceding claims
Under, various modifications and improvements can be made to the present invention of foregoing detailed description.It is therefore desirable to the scope of the technical scheme of protection
Do not limited by given any specific exemplary teachings.
Claims (10)
1. a kind of passive call replay system, the passive call replay system includes：Data management area and wireless sensing covering
Network area；
The data management area further comprises：Calculating platform and gateway, the gateway are used to connect data management area and wireless
Sense overlay network area；
The wireless sensing overlay network area further comprises：Aggregation node and calling terminal；The aggregation node and calling are eventually
End is communicated by the first wireless network；The aggregation node is carried out by second wireless network and the gateway of data management area
Communication；
When the calling terminal sends call information, the aggregation node receives the calling by the first wireless network to be believed
Breath, the call information is sent to by second wireless network the gateway in the data management area, the gateway is received
After the call information, the calculating platform is sent to by communication network, the calculating platform is received after the call information,
The call information is shown by man-machine interface.
2. passive call replay system as claimed in claim 1, the calling terminal includes micro-control unit module, channel radio
Believe transport module, micro- energy collection module and external power source interface.
3. passive call replay system as claimed in claim 2, the calling terminal is operationally, sharp by micro- energy collection module
The electric power produced with mechanical energy is that micro-control unit module and wireless transport module are powered.
4. passive call replay system as claimed in claim 3, when being initialized to calling terminal, passes through external power source
The external power source interface connected on calling terminal is that micro-control unit module and wireless transport module are powered.
5. passive call replay system as claimed in claim 1, it is wireless that the aggregation node and calling terminal are communicated
Network is 2.4G wireless networks, and the wireless network that the aggregation node is communicated with the gateway of data management area is that 433M is wireless
Network.
6. passive call replay system as claimed in claim 2, micro- energy collection module further comprises：Mechanical switch is filled
Put, permanent magnet, coil and power supply processing circuit.
It is described micro- to collect mould when pressing calling terminal 7. passive call replay system as claimed in claim 6
The mechanical switching device of block drives the permanent magnet of binding, and the magnetic flux of permanent magnet changes, is wrapped in so as to allow on permanent magnet
Coil produce transient current, the electric current of the generation is powered after the processing of power supply processing circuit for calling terminal.
8. passive call replay system as claimed in claim 7, the aggregation node further comprises：It is power supply, first wireless
Transport module, micro-control unit module, the second wireless transport module and display module.
9. a kind of passive call answering method, the passive call answering method includes：Initialize flow and normal workflow；
The initialization flow further comprises：
When calling terminal needs to carry out terminal initialization work, calling terminal is by externally fed module for power supply, wherein described supply
The electric time is more than threshold value T；
The channel number and delay variable t preserved in chip FLASH is loaded after electricity on calling terminal, is indicated by the channel number
Passage send call information KEY, and with delay variable t from plus, as delay variable t>T threshold, then into terminal initialization mistake
Journey；
Calling terminal is entered by LED prompting and initializes flow, terminal sendaisle match information is to be received after transmission etc.
The ack msg that aggregation node is replied, wherein waiting time, which are more than, can normally receive the time span of data；
Judge whether the data length variables L en for receiving ack msg is more than 0, if it is greater than zero, then representing to receive convergence ACK
Data, otherwise switching channel sendaisle match information again, is always maintained at poll passage and sends match information, until receiving
Meet the ack msg of condition；
The normal workflow further comprises：
When calling terminal normal work, calling terminal is that the other parts of terminal are powered by micro- energy module, and terminal is after the power-up
To delay variable t assignment, the channel number preserved in loading chip FLASH carries out delay variable t and added certainly, and sends call information
KEY；
Complete after information KEY sent, whether computation delay variable t is more than threshold value T, when t be less than T threshold then repeat t from plus with
The step of sending call information KEY, wherein threshold value T is the time value that can be powered more than micro- energy module.
10. a kind of passive call answering method as claimed in claim 9, the Rule of judgment of switching channel further comprises, sentences
Disconnected networking receipt order ACK_CH_ON and signal intensity, when not receiving networking receipt order ACK_CH_ON, or signal is strong
Then switching channel, and sendaisle match information again when spending less than threshold intensity；
It is more than 0 as the data length variables L en for receiving ack msg, receives networking receipt order ACK_CH_ON and signal is strong
When degree is more than threshold intensity, then current channel number is saved in chip FLASH as data communication channel number, terminal initialization mistake
Journey terminates, and is terminated by LED prompt terminal initialization procedure, calling terminal enters normal workflow.
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| CN107135204B (en) | 2020-03-17 |
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