CN107240241A - A kind of airport building ambient parameter monitoring system and its communication control method - Google Patents
A kind of airport building ambient parameter monitoring system and its communication control method Download PDFInfo
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- CN107240241A CN107240241A CN201710439291.8A CN201710439291A CN107240241A CN 107240241 A CN107240241 A CN 107240241A CN 201710439291 A CN201710439291 A CN 201710439291A CN 107240241 A CN107240241 A CN 107240241A
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- node device
- main control
- end server
- external power
- power supply
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
A kind of airport building ambient parameter monitoring system and its communication control method.System includes multiple distributions node device in each region, near-end server and far-end server in the terminal within；Wherein：Each node device is connected by GPRS remote transmission networks with far-end server；Each node device is used wirelessly to be connected with near-end server.Advantage of the present invention：Can carry out remotely with short-range transmission both of which, when in the case of remote, the remote transmission module of node device can be used.When in the case of closely, it can be communicated using the near radio transport module of node device, to reduce data transmission period.Multinode device distribution formula is gathered, and every node device can gather each regional environment parameter in terminal simultaneously, and be transferred to server.Can carry out data acquisition storage in the case of unattended, and two-way communication can also be carried out with service device, realize it is controllable, with preferable monitoring effect.
Description
Technical field
The invention belongs to the ambient parameter monitoring technology field of airport building, more particularly to a kind of airport building ring
Border parameter monitoring system and its communication control method.
Background technology
With the development of society, people's selection is gone by air, the trip of mode is also on the increase, to environmental degree of comfort requirement
More and more higher, therefore the ventilation equipment and environmental quality in terminal are also required to improve.Nowadays the air in terminal is adjusted
Section is typically all that this parameter is carried out according to temperature, is seldom monitored for other ambient parameters, with number in terminal
Increase, CO2The parameters such as concentration, humidity, PM2.5 are also to influence the key of people's comfort level.Research shows concentration of carbon in environment
Rise easily causes people tired and irritated mood, and PM2.5 is even more the healthy of harm people.By monitoring airport boat station
The CO in building2The data such as concentration, temperature, humidity, PM2.5, the environmental degree of comfort situation that can reflect indirectly in terminal, to improve boat
Stand building environmental Kuznets Curves decision-making provide reference, to improve degree of passenger comfort have greater significance.But still lack corresponding equipment at present,
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of airport building ambient parameter monitoring system and
Its communication control method.
In order to achieve the above object, the airport building ambient parameter monitoring system that the present invention is provided includes：Multiple distributions
The node device in each region, near-end server and far-end server in the terminal within；Wherein：Each node device is remote by GPRS
Journey transmission network is connected with far-end server；Each node device is used wirelessly to be connected with near-end server；
Described node device includes casing and the main control part a and power supply power pack b that are arranged on casing, its
In：Main control part a includes：Main control chip, temperature/humidity sensor, carbon dioxide/PM2.5 sensors, remote transmission module,
Short-range transmission module, DIP device, expansion interface, LED light and storage chip；Wherein：Main control chip is provided with internal time
Counter, respectively with temperature/humidity sensor, carbon dioxide/PM2.5 sensors, remote transmission module, short-range transmission module,
DIP device, expansion interface, LED light are connected with storage chip, and telecommunication antenna is carried in remote transmission module, with
Far-end server is connected；Short-range communication antenna is carried in short-range transmission module, is connected with near-end server；Temperature/humidity is passed
Sensor, carbon dioxide/PM2.5 sensors, LED light, telecommunication antenna and short-range communication antenna are arranged at case
The surface of body, remaining part is arranged on box house；
Power supply power pack b provides power supply, including the switching of external power, charging circuit, lithium battery, power supply for main control part a
Circuit and mu balanced circuit, wherein：External power is connected with charging circuit and power supply switch circuit respectively, lithium battery respectively with power supply
Switching circuit is connected with charging circuit, and power supply switch circuit is connected with mu balanced circuit, and mu balanced circuit is Mais output component, with
Main control part a connections.
Described LED light includes collection indicator lamp, short-haul connections lamp, telecommunication lamp, lithium battery power supply lamp and outer
Power supply is powered lamp.
Described power supply switch circuit includes：P-MOS pipes G, diode D and resistance R；Wherein：Lithium battery anode and P-MOS
Pipe G source electrode is connected, and external power positive pole is connected with P-MOS pipes G grid, and P-MOS pipes G drain electrode and the positive pole of mu balanced circuit connect
Connect, resistance R one end is connected with external power positive pole, the other end and ground wire are connected, diode D anode and external power positive pole connect
Connect, negative pole is connected with mu balanced circuit；Described lithium battery anode is the positive electricity end of lithium battery 12, external power just extremely external power
Positive electricity end.
The communication control method for the airport building ambient parameter monitoring system that the present invention is provided includes what is performed in order
The following steps:
Step 1) equipment initialization：The main peripheral hardware including main control chip is initialized, remote transmission module, short-range transmission mould
The initialization of block, storage chip；
Step 2) determine whether external power supply：Main control chip judges that external power whether there is voltage, if it is judged that
It is yes, then next step performs step 3), otherwise next step performs step 8)；
Step 3) determine whether correct time format：Judging the count value of the internal time counting device of main control chip is
It is no to meet time format, if it is judged that being yes, then next step performs step 5), otherwise next step performs step 4)；
Step 4) connection time service server progress time service：Node device is awarded by GPRS remote transmission network connections to the world
When server, obtain current time, and by the time write main control chip internal time count device；
Step 5) it is connected to far-end server：Node device between GPRS remote transmissions network and far-end server by setting up
TCP/IP connections；
Step 6) carry out long-range lower communication：Node device sends data to far-end server, while message instruction is received, it is real
Row two-way communication；
Step 7) judge whether to be switched to short range：Main control chip judges that external power whether there is voltage, or judges whether
The short range mode instruction of far-end server is received, if it is judged that being yes, then next step performs step 10), it is otherwise next
Step performs step 6)；
Step 8) determine whether correct time format：Judging the count value of the internal time counting device of main control chip is
It is no to meet time format, if it is judged that being yes, then next step performs step 10), otherwise next step performs step 9)；
Step 9) time service is carried out by near-end server：Near-end server directly ought by near radio transmission means
Preceding time data is sent to node device, completes time service；
Step 10) communicated under short range：Directly proximally server sends data to node device, refers to while receiving message
Order, carries out two-way communication；
Step 11) judge whether to be switched to remotely：Main control chip judges whether to receive the long-range mould of near-end server
Formula is instructed, if it is judged that being yes, then next step performs step 12), otherwise next step performs step 10)；
Step 12) determine whether external power supply：Main control chip judges that external power whether there is voltage, if it is judged that
It is yes, then next step performs step 5), otherwise next step performs step 10).
The airport building ambient parameter monitoring system and its communication control method that the present invention is provided have the following advantages that：
(1) can carry out remotely with short-range transmission both of which, can be using the long-range of node device when in the case of remote
Transport module.When in the case of closely, it can be communicated using the near radio transport module of node device, to reduce number
According to transmission time.
(2) unique encodings are carried out for every node device, assigns different numberings, node device is numbered with data together
Transmission so that each node device simultaneous transmission is without conflicting, and the device identification of energy being serviced.
(3) multinode device distribution formula is gathered, and every node device can gather each regional environment parameter in terminal simultaneously,
And it is transferred to server.
(4) every node device all adds storage chip and carries out real-time storage to data, to ensure historical data in power-off
Do not lose, can read being serviced device at any time afterwards.
(5) every frame data are added suitable header telegram end and data check by stable Data Transport Protocol in communication
Etc. function, the stable transmission of data is realized.
(6) there is process signal to interrupt and the function of automatic connection server is carried out for node device.When node device and clothes
Occur in that jitter in business device communication process and interrupt, node device detectable signal interrupts situation, and is weighed automatically
New connection processing, to improve transmission stability.
(7) node device timing sends heartbeat, it is ensured that the signal of both sides will not be interrupted.Due in communication process, if even
Road is connected for a long time without information interchange, connection can be automatically released and dropout occurs, therefore add timing to server
Heartbeat is sent, it is ensured that connection will not be released.
(8) equipment can be automatically performed timing function, when electricity on node device, a time detecting can be carried out, if the time
Form is incorrect, can start connection time service server, carry out self time service of time.
(9) short message receive capabilities are added, the remote reset of node device is realized and carries out server connection processing.
(10) automatic switchover that external power is powered with lithium battery power supply is handled, can be certainly when node device accesses external power
The dynamic power supply circuit by lithium battery is cut off, and is transferred to external power and is powered.When external power disconnects, node device can automatically turn on lithium electricity
Pond function of supplying power.This mode can reduce the lithium battery power consumption that node device is carried.
(11) node device adds the charge function of lithium battery, in the case of external power, can be the lithium in node device
Battery is charged.
(12) server not only can be with displaying data in real-time curve, moreover it is possible to which data classification is stored in background data base,
I.e. every node device can be stored in the tables of data specified.
(13) transmitted in both directions between node device and server realizes the controllability of node device, including collection period,
The inquiry of historical data, storage data are emptied, and the pause of data transfer starts, is controlled in terms of termination.
(14) server can obtain the scheduled date data of node device.Node device is to the data of collection in units of day
Stored and handled, therefore server can send desired date data to node device, node device can be inquired about automatically
The date data that needs simultaneously is sent to server.
Therefore, the beneficial effects of the invention are as follows can carry out data acquisition storage, and can also in the case of unattended
With server carry out two-way communication, realize it is controllable, with preferable monitoring effect.
Brief description of the drawings
Fig. 1 constitutes block diagram for the airport building ambient parameter monitoring system that the present invention is provided.
Fig. 2 is the node device external structure schematic diagram of the present invention.
Fig. 3 is the node device cut-away view of the present invention.
Fig. 4 is the battery of equipment and the circuit theory diagrams of external power switching.
Fig. 5 is the structure chart of equipment data storage form.
Fig. 6 is the server architecture block diagram of the present invention.
Fig. 7 is the single node device interior workflow of the present invention.
Fig. 8 is that the node device of the present invention receives the workflow of server message.
Fig. 9 is that the server of the present invention receives the workflow of node device message.
Figure 10 is that system is operated in the functional block diagram realized under long-range and short range pattern.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to the airport building ambient parameter monitoring system that provides of the present invention and its
Communication control method is described in detail.
As shown in figure 1, the airport building ambient parameter monitoring system that the present invention is provided includes：
It is multiple to be distributed the node device 40 in each region, near-end server 20 and far-end server 30 in the terminal within；Wherein：
Each node device 40 is connected by GPRS remote transmissions network with far-end server 30；Each node device 40 uses wireless
Mode is connected with near-end server 20.
The system is communicated with multinode distributed form, and every node device 40 can be by long-range form by data
Far-end server 30 is transferred to, near-end server 20 can also be transferred data to by near radio pattern, due to every
Node device 40 is all numbered, therefore every node device 40 can be with simultaneous transmission data by near-end server 20 and remote
End server 30 is recognized.
As shown in Figure 2 and Figure 3, described node device 40 include casing 43 and the main control part a that is arranged on casing 43 with
And power supply power pack b, wherein：Main control part a includes：Main control chip 1, temperature/humidity sensor 2, carbon dioxide/PM2.5
Sensor 3, remote transmission module 4, short-range transmission module 5, DIP device 6, expansion interface 7, LED light 8 and storage chip 9；
Wherein：Main control chip 1 counts device provided with internal time, is sensed respectively with temperature/humidity sensor 2, carbon dioxide/PM2.5
Device 3, remote transmission module 4, short-range transmission module 5, DIP device 6, expansion interface 7, LED light 8 are connected with storage chip 9
Connect, telecommunication antenna 41 is carried in remote transmission module 4, is connected with far-end server 30；Carried in short-range transmission module 5
Short-range communication antenna 42, is connected with near-end server 20；Temperature/humidity sensor 2, carbon dioxide/PM2.5 sensors 3,
LED light 8, telecommunication antenna 41 and short-range communication antenna 42 are arranged at the surface of casing 43, and remaining part is set
Put inside casing 43；
Described node device 40 is respectively long-range by GPRS using remote transmission module 4 using two kinds of communication modes
Transmission network is communicated with far-end server 30 and directly communicated using short-range transmission module 5 with near-end server 20；Every node
Equipment 40 can be uniquely identified, it is necessary to be encoded by 6 pairs of every node devices 40 of DIP device, therefore can ensure every section
Point device 40 transmits the uniqueness of data, it is also ensured that data source energy being serviced device is recognized；Expansion interface 7 is used for later
Expanding function is used；LED light 9 is used for the working condition of instruction equipment, and storage chip 9 uses EEPEOM storage modes, can
Realize that power failure data is not lost, data storage procedure is stored by date form piecemeal, therefore server can read node and set
Standby 40 any date data.
Described LED light 8 includes collection indicator lamp 81, short-haul connections lamp 82, telecommunication lamp 83, lithium battery power supply
Lamp 84 and external power are powered lamp 85.Represent that short range receives collection number when gathering indicator lamp 81 and short-haul connections lamp 82 is lighted simultaneously
According to when collection indicator lamp 81 and telecommunication lamp 83 while representing remotely to receive gathered data when lighting, when in LED light 8
Lamp all light represent that node device 40 is carrying out the connection procedure of network registry and server when rising.
Power supply power pack b provides power supply, including external power 10, charging circuit 11, lithium battery 12, electricity for main control part a
Source switching circuit 13 and mu balanced circuit 14, wherein：External power 10 is connected with charging circuit 11 and power supply switch circuit 13 respectively,
Lithium battery 12 is connected with power supply switch circuit 13 and charging circuit 11 respectively, and power supply switch circuit 13 connects with mu balanced circuit 14
Connect, mu balanced circuit 14 is Mais output component, is connected with main control part a.
Described power supply power pack b uses 12 two kinds of power supply modes of external power 10 and lithium battery, when the upper external power of connection
Can be that lithium battery 12 charges by charging circuit 11 when 10, and under the effect of power supply switch circuit 13, the power supply of lithium battery 12 is led to
Road can be closed, if not accessing external power 10, the supplying channels of lithium battery 12 can be unlocked, so as to reach external power 10 and lithium
The free switching of battery 12；Finally, the voltage of external power 10 or lithium battery 12 is carried out turning pressure by mu balanced circuit 14, based on
Control part a and electric energy is provided.
As shown in figure 4, described power supply switch circuit 13 includes：P-MOS pipes G, diode D and resistance R；Wherein：Lithium electricity
Pond positive pole 15 is connected with P-MOS pipes G source electrode, and external power positive pole 16 is connected with P-MOS pipes G grid, P-MOS pipes G drain electrode
It is connected with the positive pole of mu balanced circuit 14, resistance R one end is connected with external power positive pole 16, the other end and ground wire are connected, diode D
Anode be connected with external power positive pole 16, negative pole is connected with mu balanced circuit 14；Described lithium battery anode 15 is lithium battery 12
Positive electricity end, external power positive pole 16 is the positive electricity end of external power 10；When external power 10 is effective, P-MOS pipes G is in cut-off shape
State, lithium battery 12 is powered blocking, and external power 10 is powered by diode D for circuit, when external power 10 is invalid, P-MOS pipes G
Gate lead be pulled low, it is in the conduction state, lithium battery 12 can for mu balanced circuit 14 provide power supply；Now, managed in P-MOS
G drain electrode access mu balanced circuit 14, will be that whole main control part a powers after voltage stabilization.
Fig. 5 is the structure chart of the data storage form of node device 40.The space of storage chip 9 is up to 1Mbit, node device 40
The sensing data of collection is stored in storage chip 9 by certain form, when needing to send the data to near-end service
When device 20 or far-end server 30, sent also by such form.Each gathered data frame format includes：Data head,
Device numbering, time, temperature data, CO2Data, humidity data, PM2.5 data, check bit, data tail is consecutively stored in
In storage chip 9.In addition, storage chip 9 opens one piece of memory block for recording each date first address again, by DSB data store block
In each date for the first time occur first address record, when server needs scheduled date data, can by time
This memory block is gone through to inquire about；In order to prevent after device looses power, the storage progress meeting of the memory block of data and record date first address
Lose, therefore internal memory opens two regions to store the storage progress of this two memory block respectively again, records last time and stores
When memory address.
As shown in fig. 6, described node device 40 can also have by SMS control, being sent by SMS to control
The reset of node device 40 processed, reconnect.
Fig. 7 is the whole internal work flow of individual node equipment 40, i.e., from upper electricity to the overall procedure of start-up operation；Such as
Shown in Fig. 7, the communication control method that the airport building ambient parameter monitoring system that the present invention is provided is used is included in order
The following steps of execution:
Step 1) equipment initialization：The main peripheral hardware including main control chip 1 is initialized, remote transmission module 4, short-range transmission
The initialization of module 5, storage chip 9；
Step 2) determine whether external power supply：Main control chip 1 judges that external power 10 whether there is voltage, if it is determined that knot
Fruit is yes, then next step performs step 3), otherwise next step performs step 8)；
Step 3) determine whether correct time format：Judge that the internal time of main control chip 1 counts the count value of device
Whether time format is met, if it is judged that being yes, then next step performs step 5), otherwise next step performs step 4)；
Step 4) connection time service server progress time service：Node device 40 passes through GPRS remote transmissions network connection to the world
Time service server, obtains current time, and the internal time that the time is write into main control chip 1 counts device；
Step 5) it is connected to far-end server：Node device 40 passes through between GPRS remote transmissions network and far-end server 30
Set up TCP/IP connections；
Step 6) carry out long-range lower communication：Node device 40 sends data to far-end server 30, refers to while receiving message
Order, carries out two-way communication；
Step 7) judge whether to be switched to short range：Main control chip 1 judges that external power 10 whether there is voltage, or judgement is
It is no to receive the short range mode instruction of far-end server 30, if it is judged that being yes, then next step performs step 10), otherwise
Next step performs step 6)；
Step 8) determine whether correct time format：Judge that the internal time of main control chip 1 counts the count value of device
Whether time format is met, if it is judged that being yes, then next step performs step 10), otherwise next step performs step 9)；
Step 9) time service is carried out by near-end server：Near-end server 20 directly will by near radio transmission means
Current time data is sent to node device 40, completes time service；
Step 10) communicated under short range：Directly proximally server sends data to node device 40, while receiving message
Instruction, carries out two-way communication；
Step 11) judge whether to be switched to remotely：Main control chip 1 judges whether to receive the long-range of near-end server 20
Mode instruction, if it is judged that being yes, then next step performs step 12), otherwise next step performs step 10)；
Step 12) determine whether external power supply：Main control chip 1 judges that external power 10 whether there is voltage, if it is determined that
As a result it is yes, then next step performs step 5), otherwise next step performs step 10).
As can be seen from Figure 7, long-range and short-haul connections can be just carried out only in the case that node device 40 has external power supply, such as
Fruit only internal lithium battery 12 can only carry out short-haul connections when powering, two kinds of communication patterns can be cut by sending instruction
Change.A time detecting can be first carried out when electric on node device 40, if the time is not right, it will carry out time calibration (long-range lower logical
Cross back time service service to calibrate automatically, order calibration is sent by receiving under short range).Then node device 40 can be according to work
Pattern (long-range and short range pattern) the corresponding state of entrance and communicated.
Fig. 8 is that the node device of the present invention receives the workflow of server message, and described server includes near-end
Server 20 and far-end server 30；No matter node device 40 is operated under long-range or short range, and clothes to be received can be all waited in real time
The instruction of business device.When receiving the instruction of server, first it can be parsed, then the type of decision instruction, server
Instruction mainly include：Change collection period instruction, suspend data transfer instruction, send all data commands, empty internal memory number
According to instruction, scheduled date data command, the far and near journey transmission mode instruction of switching are sent.When parsing these instructions, node is set
Standby 40 inside can perform corresponding action.
Fig. 9 is that the server of the present invention receives the workflow of the message of node device 40.Similarly, service receives section
It is also required to be parsed after the information that point device 40 is transmitted, first parses the numbering of node device 40, to know the source of information,
Information data is parsed again, to know the type of information.The type of information mainly includes：The data of collection, are sent prompting, clearly
Sky finishes prompting.When receiving gathered data, the software in server can be present data according to the numbering of node device 40
In corresponding table, and it is plotted in diagram curve.When receiving prompting category information, it can make and accordingly carry in prompting frame
Wake up.
Figure 10 is that system is operated in the functional block diagram realized under long-range and short range pattern.Under two kinds of communication patterns, equipment
Work is also different, and the function of realization also has certain difference.The realization of each function is all to be set by server to node
Standby 40 send dependent instruction, and node device 40, which is received, can be transferred to corresponding perform function after dependent instruction.Due to telecommunication mould
, it is necessary to really realize unattended under formula, therefore requirement to signal is higher, it is necessary to real time detection signal connects situation, and
And keep the stability of signal.
Airport building ambient parameter monitoring system and its communication control method that the present invention is provided, using node device
Monitor the C0 of terminal current environment2Concentration, temperature, humidity, PM2.5 data, can be automatically performed in the case of unattended
The collection storage of data and remote short-range transmission etc..Server is used for the gathered data for monitoring every node device, and every is saved
Point device makes corresponding control, and server can divide near-end to monitor and remote monitoring.
Claims (4)
1. a kind of airport building ambient parameter monitoring system, it is characterised in that：Described airport building ambient parameter monitoring
System includes：It is multiple to be distributed the node device (40) in each region, near-end server (20) and far-end server in the terminal within
(30)；Wherein：Each node device (40) is connected by GPRS remote transmissions network with far-end server (30)；Each node is set
Standby (40) are used wirelessly to be connected with near-end server (20)；
Described node device (40) includes casing (43) and the main control part a and power supply power supply that are arranged on casing (43)
Divide b, wherein：Main control part a includes：Main control chip (1), temperature/humidity sensor (2), carbon dioxide/PM2.5 sensors
(3), remote transmission module (4), short-range transmission module (5), DIP device (6), expansion interface (7), LED light (8) and storage
Chip (9)；Wherein：Main control chip (1) counts device provided with internal time, respectively with temperature/humidity sensor (2), titanium dioxide
Carbon/PM2.5 sensors (3), remote transmission module (4), short-range transmission module (5), DIP device (6), expansion interface (7), LED refer to
Show that lamp (8) is connected with storage chip (9), telecommunication antenna (41) is carried in remote transmission module (4), with remote service
Device (30) is connected；Short-range communication antenna (42) is carried in short-range transmission module (5), is connected with near-end server (20)；Temperature/
Humidity sensor (2), carbon dioxide/PM2.5 sensors (3), LED light (8), telecommunication antenna (41) and closely
Communication antenna (42) is arranged at the surface of casing (43), and it is internal that remaining part is arranged on casing (43)；
Power supply power pack b provides power supply for main control part a, including external power (10), charging circuit (11), lithium battery (12),
Power supply switch circuit (13) and mu balanced circuit (14), wherein：External power (10) is electric with charging circuit (11) and power supply switching respectively
Road (13) is connected, and lithium battery (12) is connected with power supply switch circuit (13) and charging circuit (11) respectively, power supply switching electricity
Road (13) is connected with mu balanced circuit (14), and mu balanced circuit (14) is Mais output component, is connected with main control part a.
2. airport building ambient parameter monitoring system according to claim 1, it is characterised in that：Described LED is indicated
Lamp (8) includes collection indicator lamp (81), short-haul connections lamp (82), telecommunication lamp (83), lithium battery power supply lamp (84) and dispatch from foreign news agency
Source powers lamp (85).
3. airport building ambient parameter monitoring system according to claim 1, it is characterised in that：Described power supply switching
Circuit (13) includes：P-MOS pipes G, diode D and resistance R；Wherein：Lithium battery anode (15) is connected with P-MOS pipes G source electrode,
External power positive pole (16) is connected with P-MOS pipes G grid, and P-MOS pipes G drain electrode is connected with the positive pole of mu balanced circuit (14), electricity
Resistance R one end is connected with external power positive pole (16), the other end and ground wire are connected, diode D anode and external power positive pole (16)
Connection, negative pole is connected with mu balanced circuit (14)；Described lithium battery anode (15) is the positive electricity end of lithium battery (12), external power
Positive pole (16) is the positive electricity end of external power (10).
4. a kind of communication control method using airport building ambient parameter monitoring system as claimed in claim 1, it is special
Levy and be：Described communication control method includes the following steps performed in order:
Step 1) equipment initialization：The main peripheral hardware including main control chip (1) is initialized, remote transmission module (4), short-range transmission
The initialization of module (5), storage chip (9)；
Step 2) determine whether external power supply：Main control chip (1) judges that external power (10) whether there is voltage, if it is determined that knot
Fruit is yes, then next step performs step 3), otherwise next step performs step 8)；
Step 3) determine whether correct time format：Judging the count value of the internal time counting device of main control chip (1) is
It is no to meet time format, if it is judged that being yes, then next step performs step 5), otherwise next step performs step 4)；
Step 4) connection time service server progress time service：Node device (40) is awarded by GPRS remote transmission network connections to the world
When server, obtain current time, and will write the time main control chip (1) internal time count device；
Step 5) it is connected to far-end server：Node device (40) passes through between GPRS remote transmissions network and far-end server (30)
Set up TCP/IP connections；
Step 6) carry out long-range lower communication：Node device (40) sends data to far-end server (30), refers to while receiving message
Order, carries out two-way communication；
Step 7) judge whether to be switched to short range：Main control chip (1) judges that external power (10) whether there is voltage, or judgement is
It is no to receive the short range mode instruction of far-end server (30), if it is judged that being yes, then next step performs step 10), it is no
Then next step performs step 6)；
Step 8) determine whether correct time format：Judging the count value of the internal time counting device of main control chip (1) is
It is no to meet time format, if it is judged that being yes, then next step performs step 10), otherwise next step performs step 9)；
Step 9) time service is carried out by near-end server：Near-end server (20) directly ought by near radio transmission means
Preceding time data is sent to node device (40), completes time service；
Step 10) communicated under short range：Directly proximally server sends data to node device (40), refers to while receiving message
Order, carries out two-way communication；
Step 11) judge whether to be switched to remotely：Main control chip (1) judges whether to receive the long-range of near-end server (20)
Mode instruction, if it is judged that being yes, then next step performs step 12), otherwise next step performs step 10)；
Step 12) determine whether external power supply：Main control chip (1) judges that external power (10) whether there is voltage, if it is determined that
As a result it is yes, then next step performs step 5), otherwise next step performs step 10).
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Application publication date: 20171010 |