CN201248336Y

CN201248336Y - Airport bird scaring device

Info

Publication number: CN201248336Y
Application number: CNU2008200116953U
Authority: CN
Inventors: 宋利民
Original assignee: Dalian Maritime University
Current assignee: Dalian Maritime University
Priority date: 2008-03-19
Filing date: 2008-03-19
Publication date: 2009-06-03
Anticipated expiration: 2018-03-19

Abstract

The utility model relates to an airport bird scaring device, which is characterized in the airport bird scaring device comprises a bird scarer with a communication function, a bird scaring car and a control center; a wireless digital-transmission module is adopted to transmit the control order and data between the control center and each bird scarer. The airport bird scaring device has the advantages that the bird can be flexibly scared.

Description

The airport bird scaring apparatus

Technical field

The utility model belongs to communications electronics and field of embedded technology.

Background technology

Current, along with the demand of each application to smart machine increases rapidly, the exploitation of embedded system becomes the research focus in software and hardware field gradually.Embedded system is " device of control, supervision or auxiliary equipment, machine and workshop operation ", application-centered exactly, based on computer technology, but and the software and hardware cutting, be applicable to that application system has the dedicated computer system of strict demand to function, reliability, cost, volume, power consumption.It generally is made up of part such as four of embedded microprocessor, peripheral hardware equipment, embedded OS and application program of user etc., is used to realize the functions such as control, supervision or management to other equipment.And embedded software just is based on the software of Embedded System Design, and it is a kind of of computer software, has unique practicality, is the important component part of embedded system.Embedded software is a kind of modular software, can apply to very flexibly in the various embedded systems, and can not destroy or change original system performance and function.All need embedded software to provide versatile and flexible and use special function in nearly all embedded product.Because embedded system is widely used, embedded software has occupied critical role in the whole software industry, and is subjected to the extensive concern of countries in the world; Nowadays become one of " star " the most dazzling in the information industry.

Summary of the invention

The purpose of this utility model is exactly to drive bird for the domestic airport a kind of design system that improves the headroom level, whole, the intelligent and complete embedded software for driving birds at airport on airport is provided.

Technical solution of the present utility model is to be made of bird-scaring unit 1, bird-dispersing car 2 and control centre 3; With the embedded software technology is core, adopts wireless data transmission technology to set up the wireless trammel net network that drives in airport.Adopt wireless data transmission module between control centre and each bird-scaring unit, to transmit control command and data, working method according to each bird-scaring unit in the flexible controlling filed of the communication protocol of autonomous Design, the duty of each bird-scaring unit in the real time monitoring field, realize that intellectuality drives bird, thereby provide a kind of more complete solution for the bird that drives of domestic airport.

This program is divided two big modules, comprises data reception module and protocol analysis module.

The groundwork of data reception module comprises the data that receive the host computer transmission, and the extracting data command information from receiving, and the shielding hash is finished the data frame format verification.This module adopts timer 0, limits receiving data time, does not receive complete data message in the 10ms, then empties receiving buffering area, receives data again, guarantees integrality, real-time and continuity that data receive.The working method that employing is interrupted effectively improves the availability of CPU, and tentatively judges receiving data, increases work efficiency.

The protocol analysis module is carried out respective handling with the command information that is received by agreement.At first, detect frame synchronization information 0X55 and 0X04; Detect the transmission types character, judge that this instruction is to be sent or the slave computer transmission by host computer; Next byte is the task function byte, comprising: bird-scaring unit roll-call, single bird-scaring unit work, the work of bird-scaring unit group, all bird-scaring unit work; Enter different task functions and carry out respective handling, wherein, in the bird-scaring unit roll-call task, slave computer carries out machine number to be confirmed, when machine number is confirmed unanimity, and slave computer echo reply information; In single bird-scaring unit task, earlier machine number is confirmed equally, after the machine number unanimity, further confirmed operational order again, comprising: quit work, single is once play, single loop play, whole playback of songs; In the bird-scaring unit grouping task, carry out group number earlier and confirm, when group number is consistent, further confirm operational order, comprising: quit work, single is once play, single loop play, whole playback of songs; In all bird-scaring unit tasks, the decision operation order, comprising: quit work, single is once play, single loop play, whole playback of songs.

The beneficial effects of the utility model are, more flexible and drive bird more targetedly, receive by embedded software and drive the bird order, can be at the different time of takeoff and landing, adopt targetedly drive bird mode with different birds different seasons, drives the bird effect thereby improve.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further specified.

Fig. 1 is a system construction drawing of the present utility model.

Fig. 2 is that systems soft ware of the present utility model interrupts FB(flow block).

Fig. 3 is a protocol analysis module FB(flow block) of the present utility model.

Among the figure, 1. bird-scaring unit, 2. bird-dispersing car, 3. control centre.

Embodiment

1. the communication protocol of airport bird scaring network

Drive bird control centre according to following communication protocol, adopt wireless data transmission technology to send the data flow of work order to the bird-scaring unit that is positioned at the runway both sides.The task of radio communication can be concise and to the point be summarised as following 3 points:

(1) control centre sends control command to each bird-scaring unit by wireless data transmission module;

(2) embedded software in the bird-scaring unit to the data flow that receives decode, verification, resolution data stream order back carries out and drives the bird operation accordingly, and return the work at present state to control centre;

(3) control centre's status information that bird-scaring unit is returned deposits in the data in server storehouse, and dynamically shows the bird-scaring unit state on display screen.

(a) sync byte: 2 bytes

Native system adopts 2 bytes as sync byte, selects the communication synchronization sign indicating number of the combining form of 0xFF heel 0x00 as packet for use, receives agreement and can only receive the packet that begins with 0xFF heel 0x00, and out of Memory is ignored.

(b) type byte: 2 bytes

Type is the command type of stipulating in the communication protocol, and native system comprises to be sent out type and connect type, and with 2 byte representations: first byte is the type of transmission information, and type is divided into two kinds in native system; Second byte is the type of receiving information, and is provided with 4 types here.Particular content is as shown in table 1:

Send out type	Connect type
Send out type	Connect type	The 0x01 main frame is sent out bird-scaring unit and is connect the 0x02 bird-scaring unit and send out main frame and connect	0x01 sends out 0x02 successful and is connected into merit 0x03 and keeps 0x04 and finish

Table 1

(c) bird-scaring unit numbering byte: 1 byte

Because thereby the wireless bird monitoring system of driving mainly is to drive bird by sending order implementation variety of way to concrete bird-scaring unit ID number, so the numbering of bird-scaring unit is extremely important, good numbering can better be finished more function and only need write less program, directly has influence on the size of workload.In the realization of whole system, the numbering of each bird-scaring unit all is unique.Concrete bird-scaring unit numbering is as shown in table 2:

Table 2

(d) function byte: 1 byte

Function is 1 byte, mainly realizes the working method of bird-scaring unit, and concrete function is as shown in table 3.

Function coding	Explanation
Function coding	Explanation	00H	Trammel net roll-call (whether be used for detecting has bird-scaring unit to break) is driven by system
01H	Concrete unit's bird-scaring unit drives bird	00H
01H	Concrete unit's bird-scaring unit drives bird	02H	All bird-scaring units drive bird together
Other	Keep	02H	All bird-scaring units drive bird together

Table 3

(e) sound byte: 2 bytes

Sound byte is divided into acoustic pattern byte and resonant duration frequency byte.

Make birds produce habituation easily because a kind of sound of long-term use drives bird, driving the bird effect must descend, and drives bird so must design multiple acoustic pattern, and conversion sound is improved the validity of bird-repeller system.Whole acoustic pattern byte, the kind of driving bird sound that is played back when driving bird is controlled and is selected exactly.Specific design such as table 4:

The acoustic pattern byte

D7

D6

D5

D4

D3

D2

D1

D0

Table 4

D7 D6 D5: keep being made as 000

D4?D3?D2?D1?D0

00000～11111 can represent 32 kinds of different sound

Resonant duration frequency byte:

Monitoring system must be designed the byte that can control resonant duration frequency for the ease of in real time, effectively control each bird-scaring unit.Specific design is as shown in table 5:

Resonant duration and frequency

Wherein D7～D4 position is the position that is used for controlling the resonant duration,

2. the design of embedded software and realization

The embedded software flow process as shown in Figure 2, based on embedded software can be easily, carry out following function control: can concrete unit specifically drive bird; Can drive bird together by all bird-scaring units; Can regularly drive bird; Can be by runway east orientation west/catch up with from west to east bird; Can carry out driving bird or the like in the appointed area.And can adjust and control flexibly the sound of bird that bird-scaring unit drives, and these are all finished by cordless communication network and embedded software, have avoided many unnecessary pilot process, very simple and convenient.Only need people setting operation in the control room to get final product.

Claims

1, the airport bird scaring apparatus is characterized in that, is made of the bird-scaring unit with communication function (1), bird-dispersing car (2) and control centre (3); Adopt wireless data transmission module to transmit control command and data between control centre (3) and each bird-scaring unit (1), control centre (3) is by the wireless data transmission module data streams, and the data reception module of bird-scaring unit (1) end is accepted data flow.