CN202309775U - Noise data acquiring and transmitting system for airports - Google Patents
Noise data acquiring and transmitting system for airports Download PDFInfo
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- CN202309775U CN202309775U CN2011204512693U CN201120451269U CN202309775U CN 202309775 U CN202309775 U CN 202309775U CN 2011204512693 U CN2011204512693 U CN 2011204512693U CN 201120451269 U CN201120451269 U CN 201120451269U CN 202309775 U CN202309775 U CN 202309775U
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Abstract
The utility model discloses a noise data acquiring and transmitting system for airports, which belongs to the field of data transmission and comprises an Ethernet data acquiring and transmitting subsystem, a GPRS (general packet radio service) wireless network data acquiring and transmitting subsystem and a server side data receiving and storing subsystem. The Ethernet data acquiring and transmitting subsystem comprises a sound acquiring and processing module, an Ethernet access module and a power source module which are connected through circuits, the GPRS wireless network data acquiring and transmitting subsystem comprises a sound acquiring and processing module, a single-chip microcomputer, a GPRS wireless transceiving module and a power supply circuit which are connected through circuits, and the server side data receiving and storing subsystem serves as a server and comprises an Ethernet network data receiving terminal, embedded GPRS receiving equipment and a data storage unit. The server is accessed into the Ethernet through a network interface controller. Compared with the prior art, the noise data acquiring and transmitting system is free of limits of access places and has higher practicality.
Description
Technical field
The utility model relates to a kind of data transmission system, particularly a kind of transmission system that is applicable to the airport noise data.
Background technology
Airport aircraft noise coverage is wide, and noise annoyance level is high, is one of difficult problem of city regional environment noise control.In order better to prevent and treat pollution from environmental noise, China has set up a cover noise criteria system, comprises " standard of environmental noise of urban area ", " aircraft noise environmental standard around the airport " etc.In order to cooperate the enforcement of above-mentioned standard; A collection of standard monitoring method is also put into effect in succession; Mainly comprise " city regional environment noise method of measurement ", " aircraft noise method of measurement around the airport " etc., begun to take shape comparatively perfect Noise Prevention and Treatment rule and standard system.Aircraft noise concrete control mode in airport is to gather the airport noise data of coming through utilizing, and data represented noise is shown with visualization technique, judges according to noise data whether the flight path of aircraft is up to standard, and the flight path of aircraft is optimized; Utilize economic means, the aircraft that noise is exceeded standard carries out economic penalties; Limit some type in the landing on airport etc. according to noise data.Corresponding Noise Prevention and Treatment rule and standard system, American-European countries has set up comparatively perfect noise criteria system, and has had relevant noise monitoring equipment.
But above equipment is because the noise data load mode causes service condition to receive restriction to a certain degree.In present data collection and transfering system, the collecting part of data is comparatively simple comparatively speaking, and the hop of data is then comparatively complicated.Logically, transfer of data is that dozens of even hundreds of the data collection points and the data center that are distributed in the wide scope are unified into a LAN, and the data of each data collection point periodically are transferred to data center.Accomplish such transfer of data, two kinds of basic schemes are arranged, the one, make up the dedicated data transmission system and transmit data, another kind is the application data transmission system that meets the demands that on the basis of conventional data transmission system, makes up.And the dedicated data transmission system is divided into wired dedicated system and wireless private system.Wired dedicated system needs within the specific limits to need laying-out between place and the data center of image data at all, and quantities is huge, expensive, and therefore wired dedicated system is not suitable for the transmission of wide-area data.Wireless transmitting-receiving equipments will be installed at each data collection point by the wireless private system, carries out transfer of data with the wireless transmitting-receiving equipments of data center, and this mode has been avoided the laying of circuit; But the dedicated frequency that needs wireless transmission; At present the frequency of wireless transmission is a scarce resource, generally speaking, basic application less than; Therefore, the private radio transmission system is also inadvisable.And utilize the conventional data transmission technology to carry out the noise data transmission, the present domestic corresponding report that do not have.
The utility model content
The technical assignment of the utility model is the deficiency to above prior art, and a kind of reliably and efficiently airport noise data collection and transfering system is provided.
The technical scheme that the utility model solves its technical problem is: a kind of airport noise data collection and transfering system; It is characterized in that: comprise that Ethernet data collection transmission subsystem, GPRS wireless network data acquisition transmission subsystem and server end data receive storage subsystem, wherein: described Ethernet data is gathered sound collection processing module, Ethernet AM access module and the power module that transmission subsystem comprises that circuit links to each other; The sound collection processing module comprises noise data inductor, low pass filter, signal amplifier and the AD sampler that circuit links to each other; Ethernet AM access module comprises single-chip microcomputer, ethernet control chip and the Ethernet transformer that circuit links to each other; Described GPRS wireless network data acquisition transmission subsystem comprises sound collection processing module, single-chip microcomputer, GPRS radio receiving transmitting module and the power supply circuits that circuit links to each other; The sound collection processing module comprises noise data inductor, low pass filter, signal amplifier and the AD sampler that circuit links to each other; What described GPRS radio receiving transmitting module adopted is the GSM/GPRS module of embedded ICP/IP protocol stack; Described server end Data Receiving storage subsystem is a server, and server comprises the Ethernet netting index according to receiving terminal, embedded GPRS receiving equipment and memory of data, and server inserts Ethernet through network interface card.
Above-mentioned signal amplifier is the MC33204DR2 amplifier.
Above-mentioned single-chip microcomputer model is C8051F020.
Above-mentioned control chip adopts the CP2200 chip.
Above-mentioned Ethernet transformer is a HR911105A type transformer.
Above-mentioned power supply circuits comprise adjustable linear voltage regulator LM2941CSW.
Above-mentioned noise data inductor is a microphone.
Above-mentioned GPRS radio receiving transmitting module is the MC55 module.
Compared with prior art, the utlity model has following outstanding beneficial effect:
1, the utility model inserts through the mode of embedded ethernet module, in the Embedded Application occasion not high to network requirement, has very high practicality and with reference to property.
2, the GPRS wireless transmission method provides a kind of approach that can in wide region, realize transfer of data; The airport noise data that adopted grouping service wireless GPRS to collect in real time pass to the airport noise information processing centre through GPRS network; The monitoring information real-time processing software is through carrying out finishing analysis to gathering the data of coming; Stay indoors and can carry out data acquisition to airport noise data monitoring point, and be all weather operations, reliability is high.
3, GPRS data communication wide coverage, dilatation is unrestricted, and it is unrestricted to insert the place; Can satisfy mountain area, small towns and trans-regional access demand; For the geographical position relatively disperse, remote, natural conditions are relatively poor, adopt wire transmission need set up special line, under the too high situation of cost; Adopt the GPRS wireless transmission because of networking is flexible rapidly, the construction period is short, cost is low, is particularly suitable for the open-air environment for use of condition difference and trans-regional application.
4, GPRS transmission message transmission rate is high, and the transmission capacity of system is big, and communication cost is low, has excellent real-time response and disposal ability, can be good at satisfying the requirement of system to data collection and transmission real-time.
Description of drawings
Fig. 1 is the system configuration sketch map of the utility model;
Fig. 2 is that the Ethernet data of the utility model is gathered the transmission subsystem structured flowchart.
Fig. 3 is the voice signal LPF amplification circuit diagram of the utility model.
Fig. 4 is the hardware designs sketch that the Ethernet of the utility model connects.
Fig. 5 is that the Ethernet data of the utility model is gathered transmission subsystem data flow figure.
Fig. 6 is the GPRS wireless network data acquisition transmission subsystem structural representation block diagram of the utility model.
Fig. 7 is the GPRS wireless network data acquisition transmission subsystem power module power supply circuits design of the utility model.
Fig. 8 is that the MC55 IGT pin of the utility model starts sequential chart.
Fig. 9 is the MC55 start-up circuit design drawing of the utility model.
Figure 10 is the GPRS wireless network data acquisition transmission subsystem data flow figure of the utility model.
Embodiment
Below in conjunction with Figure of description and embodiment the utility model is further specified.
The utility model is on the basis that current domestic data transmission technology present situation is fully studied; Adopted a kind of with low cost, reliability higher data transmission plan: adopt the Ethernet transmission plan that cost is cheap relatively, transmission speed is fast in the place that can realize wire transmission; And in the place that is difficult to realize wire transmission, for example the very wide GPRS wireless transmission scheme of the scope of application is then adopted in network such as isolated area or the wilderness place that is difficult to arrive.
As shown in Figure 1, the utility model comprises 3 sub-systems: Ethernet data is gathered transmission subsystem (the Ethernet access device 1 ~ Ethernet access device n among Fig. 1), GPRS wireless network data acquisition transmission subsystem (the GPRS access device 1 ~ GPRS access device n among Fig. 1) and server end data and is received storage subsystem (server among Fig. 1).
As shown in Figure 2, described Ethernet data is gathered sound collection processing module, Ethernet AM access module and the power module that transmission subsystem comprises that circuit links to each other, and accomplishes the acquisition controlling of data and through ethernet controller data is sent to Ethernet.
The present embodiment Ethernet data is gathered the transmission subsystem power module and is adopted the LM1117 power supply.
The sound collection processing module is in order to the collection of airport noise and the conditioning of signal, and the processing of noise signal is comprised noise data inductor, low pass filter, signal amplifier and the AD sampler that circuit links to each other.LPF can be accomplished through hardware circuit, also can accomplish through digital filtering; Signal amplification circuit then must be accomplished by the amplification chip of specialty and the related circuit of arranging in pairs or groups; The AD sampling then both can be accomplished by the AD sampling A of specialty, also can accomplish through the integrated AD sampler of single-chip microcomputer SOC.Noise data inductor in the present embodiment is that (9767 or 6027, sensitivity: 36dB-42dB), the amplifier that is adopted is MC33204DR2 to high sensitivity MIC, and institute's designed circuit is as shown in Figure 3.The level signal of being come out by MIC is successively passed through amplifier MC33204DR2 after getting into low-pass filter circuit, has realized the two-stage filter amplification circuit; The AIN0.0 pin that connects C8051F020 at last; Carry out the AD sampling, the resolution of sampling is 12, and sampling rate is 8K.
Ethernet AM access module comprises single-chip microcomputer, ethernet control chip and the Ethernet transformer that circuit links to each other.Single-chip microcomputer, also can be accomplished Ethernet protocol and handle when carrying out data acquisition and accomplishing the I/O control task through at 8 integrated ICP/IP protocol stacks of simplifying of single-chip microcomputer.Use ethernet control chip, can packet be dealt on the Ethernet, realize interconnected with the noise data server, realize real embedded TCP/IP equipment through Ethernet.
Single-chip microcomputer described in the present embodiment is fully-integrated mixed-signal system level chip C8051F020; With 8051 kernels is the center, links to each other with the JTAG logical circuit through clock system on SFR bus, external data memory bus, system clock line, reset line etc. and 64KB flash memory, 4KB XRAM, digital function module (like UART, SPI, timer etc.), analog functional module (like comparator, AD, DA etc.), the sheet.Adopt external clock input 22118400Hz in the present embodiment, through motorola bus mode and CP2200 communication.
Ethernet control chip described in the present embodiment is 8 pin independence ethernet controller CP2200; It meets IEEE 802.3 agreements; Support the 10M Ethernet to insert, and only need seldom external circuit line just can satisfy the designing requirement of most embedded ethernet interfaces, simplified the design of embedded ethernet interface; Reduce to account for board space, reduced system development costs.Single-chip microcomputer C8051F020 handles data through protocol stack after; Send the data to CP2200; CP2200 sends to Ethernet with data through the RJ45 interface on the Ethernet transformer, and CP2200 is as shown in Figure 4 with the sketch map that C8051F020, RJ45 are connected, and the external memory interface EMIF of C8051F020 is configured in high port (P4-P7); Value through the EMI0CF register is set realizes that the working method with EMIF is configured to mode and the non-multiplex mode of bus with the piece selection simultaneously.The P7 port of C8051F020 and the data wire of CP2200 are connected, and the P6 port links to each other with CP2200 as address wire, CP2200 /WR ,/the RD pin links to each other with P4.7, P4.6 respectively, and the P0.3 pin links to each other with interrupt signal/INT of CP2200.
Ethernet transformer adopting described in the present embodiment be the HR911105A type transformer of HanRen series, this transformer is integrated RJ45 joint and transformation coil also improved the reliability of high-frequency signal transmission when having saved many lines.
As shown in Figure 5; The flow direction that Ethernet data is gathered the transmission subsystem data is: behind the level signal entering low pass filter by the MIC collection; Handle through signal amplifier, get into the AD sampler of C8051F020, the digital signal after the sampling sends to ethernet controller chip CP2200 after handling through single-chip microcomputer ICP/IP protocol stack; CP2200 sends to data on the Ethernet through the RJ45 interface on the Ethernet transformer, and the ethernet server termination is received this packet; The flow direction of server transmission data from the ethernet frame data of server, is delivered to ethernet controller through the RJ45 interface in contrast, and the packet after the processing is sent into single-chip microcomputer ICP/IP protocol stack again.
As shown in Figure 6, described GPRS wireless network data acquisition transmission subsystem comprises sound collection processing module, single-chip microcomputer, GPRS radio receiving transmitting module and the power supply circuits that circuit links to each other, and its function is that noise data is sent to GPRS network.
Power supply circuits have adopted adjustable linear voltage regulator LM2941CSW; Input voltage is 5V-20V; Output voltage is 4.2V, and maximum output current is 1A, therefore will satisfy the electric current demand of MC55; Must add enough big electric capacity (680 μ F*2) has powerful electric current output when guaranteeing sending time slots, the circuit diagram design is as shown in Figure 7.
Sound collection processing module structure is gathered the sound collection processing module in the transmission subsystem with Ethernet data.
Single-chip microcomputer is fully-integrated mixed-signal system level chip C8051F020.In GPRS wireless network data acquisition transmission subsystem, adopt P0.0 and P0.1 Tx end and Rx end, link to each other with the MC55 module respectively and carry out communication, and expanded the XRAM of 128KB and the EEPROM of a 4K as UART0.Single-chip microcomputer also will be accomplished the work of controlling the GRPS module alternately with the GPRS module when carrying out data acquisition and accomplishing the I/O control task, realize the access of GPRS network thus.
That the GPRS radio receiving transmitting module adopts is the GSM/GPRS module MC55 of embedded ICP/IP protocol stack, is three minimum frequency modules of size on the current market.Asynchronous Serial Interface be single-chip microcomputer to module sending controling instruction (AT order), and the interface of read module state, the MC55 module has 9 complete pin asynchronous serial ports, can directly link to each other with the serial line interface of single-chip microcomputer.Because the serial ports of the single-chip microcomputer C8051F020 in the present embodiment is not 9 complete pin asynchronous serial ports; Be two lines; Therefore only need two lines of TXD (P0.0) and RXD (P0.1) be connected, the also common function of energy control module realization, as make a phone call, note, networking etc.MC55 /the IGT pin is used for starting the work of MC55 module, after the MC55 module powers on, must come guidance system to get into operating state through/IGT; The startup method is: after system powers on; / IGT is last must to have a drop-down pulse and more than the essential lasting 100ms, module could normally start, and this moment, the module indicator light began short flicker; Expression begins to seek network, and then attached on the GSM network.After the normal startup of MC55 module, the level of pin VDD can rise to 2.9V from 0V, therefore can judge whether MC55 normally starts through the voltage change of observing VDD.The MC55 module starts sequential chart and circuit design drawing such as Fig. 8 and shown in Figure 9.The MC55 module has the SIM interface of 3V, can directly connect domestic general SIM.
Shown in figure 10; The flow direction of GPRS wireless network data acquisition transmission subsystem data is: behind the level signal entering low pass filter by the MIC collection; Handle through signal amplifier, get into the AD sampler of C8051F020, the digital signal data after the sampling is handled entering GPRS radio receiving transmitting module MC55 via UART and is sent on the GPRS network; Server end receives this packet, and the flow direction of server transmission data in contrast.The data acquisition of GPRS wireless network, transmission subsystem utilize the GPRS Radio Transmission Technology to realize the real-time Transmission of airport noise, can the signal that collect be carried out statistical analysis and processing in data center, and then for controlling airport noise theoretic support are provided.Can in the scope of radius of several kilometers around the airport, gather, to obtain the noise intensity value of different distance and position.
Described server end Data Receiving storage subsystem major function be from Ethernet and GPRS network receive data and with storage to database; For the ease of observing voice data intuitively, when receiving, the mode of received data with broken line graph dynamically shown.Be a station server, comprise the Ethernet netting index according to receiving terminal, embedded GPRS receiving equipment and memory of data, server inserts Ethernet through network interface card.Be stored in the database on backstage after the Data Receiving that this part also will be sent network.Program realizes and can adopt the Socket programming based on .NET Framework3.5 platform (VB2008), utilizes multi-thread mechanism, increases substantially software efficiency, and database adopts SQL Server2005.
Need to prove; The particular of the utility model is described in detail the utility model; For a person skilled in the art, in the various conspicuous change of under the situation of spirit that does not deviate from the utility model and scope it being carried out all within the protection range at the utility model.
Claims (8)
1. airport noise data collection and transfering system is characterized in that: comprise that Ethernet data gathers transmission subsystem, GPRS wireless network data acquisition transmission subsystem and server end data and receive storage subsystem, wherein:
Described Ethernet data is gathered sound collection processing module, Ethernet AM access module and the power module that transmission subsystem comprises that circuit links to each other; The sound collection processing module comprises noise data inductor, low pass filter, signal amplifier and the AD sampler that circuit links to each other; Ethernet AM access module comprises single-chip microcomputer, ethernet control chip and the Ethernet transformer that circuit links to each other;
Described GPRS wireless network data acquisition transmission subsystem comprises sound collection processing module, single-chip microcomputer, GPRS radio receiving transmitting module and the power supply circuits that circuit links to each other; The sound collection processing module comprises noise data inductor, low pass filter, signal amplifier and the AD sampler that circuit links to each other; What described GPRS radio receiving transmitting module adopted is the GSM/GPRS module of embedded ICP/IP protocol stack;
Described server end Data Receiving storage subsystem is a server, and server comprises the Ethernet netting index according to receiving terminal, embedded GPRS receiving equipment and memory of data, and server inserts Ethernet through network interface card.
2. airport noise data collection and transfering system according to claim 1 is characterized in that described signal amplifier is the MC33204DR2 amplifier.
3. airport noise data collection and transfering system according to claim 1 is characterized in that described single-chip microcomputer model is C8051F020.
4. airport noise data collection and transfering system according to claim 1 is characterized in that described ethernet control chip adopts the CP2200 chip.
5. airport noise data collection and transfering system according to claim 4 is characterized in that described Ethernet transformer is a HR911105A type transformer.
6. airport noise data collection and transfering system according to claim 1 is characterized in that described power supply circuits comprise adjustable linear voltage regulator LM2941CSW.
7. airport noise data collection and transfering system according to claim 1 is characterized in that described noise data inductor is a microphone.
8. airport noise data collection and transfering system according to claim 1 is characterized in that described GPRS radio receiving transmitting module is the MC55 module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204512693U CN202309775U (en) | 2011-11-15 | 2011-11-15 | Noise data acquiring and transmitting system for airports |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204512693U CN202309775U (en) | 2011-11-15 | 2011-11-15 | Noise data acquiring and transmitting system for airports |
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| CN202309775U true CN202309775U (en) | 2012-07-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071351A (en) * | 2014-06-20 | 2014-10-01 | 中国民航大学 | Monitoring system for taking off and landing of plane on airport runway |
| CN104394189A (en) * | 2014-10-20 | 2015-03-04 | 中国运载火箭技术研究院 | Wide-coverage high-precision hard-real-time distributed environment parameter detection system |
| CN112201025A (en) * | 2020-08-20 | 2021-01-08 | 北京市环境保护科学研究院 | VPDN (virtual private network address) -based aviation noise online monitoring system |
-
2011
- 2011-11-15 CN CN2011204512693U patent/CN202309775U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071351A (en) * | 2014-06-20 | 2014-10-01 | 中国民航大学 | Monitoring system for taking off and landing of plane on airport runway |
| CN104071351B (en) * | 2014-06-20 | 2016-05-04 | 中国民航大学 | A kind of airfield runway takeoff and landing monitoring system |
| CN104394189A (en) * | 2014-10-20 | 2015-03-04 | 中国运载火箭技术研究院 | Wide-coverage high-precision hard-real-time distributed environment parameter detection system |
| CN112201025A (en) * | 2020-08-20 | 2021-01-08 | 北京市环境保护科学研究院 | VPDN (virtual private network address) -based aviation noise online monitoring system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121115 |