• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to aviation and relates, in particular, to ways and means of controlling aircraft collision with birds in flight. The aim of the invention is to increase the safety of aircraft flights by ensuring the effectiveness of the bird scaring process by supplying light warning signals with a variable frequency continuously varying within 0.5-3.0 Hz for one cycle lasting 10-40 seconds, and after reaching the maximum frequency its light signals remain unchanged until the end of the cycle. The number of cycles and the specific nature of the process in the cycle, i.e. Frequencies and rates of change of frequencies are chosen according to the types of aircraft, bird species and flight conditions. Cycles are performed once or repeatedly, and in the case of a repeat cycle the frequency returns to its initial, i.e. minimum value. 1 z.p, f-ly. 6
    公开号:SU1722223A3
    申请号:SU874202140
    申请日:1987-03-03
    公开日:1992-03-23
    发明作者:Штеффен Рюдигер
    申请人:Рюдигер Штеффен (DE)；
    IPC主号:
    专利说明:

    The invention relates to aviation and relates, in particular, to ways and means of controlling aircraft collision with birds in flight.
    There are various ways and means of dealing with the collision of aircraft with birds in flight, in particular with the use of acoustic, optical and other means.
    However, birds only react to such signals first, and then get used to them and are not afraid. On take-off, landing and low-altitude flights, virtually all types of aircraft are exposed to bird collisions, which can lead to serious damage and, as a result, to flight incidents.
    Closest to the present invention is a method implemented in a known device.
    However, in the prior art, the task is not solved in an optimal way, using laser radiation. In the known method, high frequencies of light flashes are perceived by birds only as a flicker of light, as stationary information about the presence of an object.
    The aim of the invention is to improve the safety of aircraft flights by ensuring the effectiveness of the bird scaring process.
    The effectiveness of the bird scaring process is achieved by applying light warning signals with a variable frequency.
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    These light signals (flares) continuously varying within 0.5-3.0 Hz for one cycle lasting 10-40 seconds, and then after reaching the maximum frequency of light signals, it remains unchanged until the end of the cycle.
    This frequency range of flashes of light and this pattern of frequency variation are perceived by birds as a permanent danger and discourage them from the aircraft. In this case, the frequency range is limited to reasonable limits of 0.5-3.0 Hz.
    As for the time or duration of one cycle, it corresponds to the time it takes from the start to the moment the aircraft takes off and from the moment it approaches the runway until the end of the landing process, respectively. The specific cycle time depends on the type of aircraft, its load, on the weather and so on. The periods from start to take-off and from climb, as well as from approaching the runway to the end of the landing process, respectively, represent the most dangerous flight stages from the point of view of collision with birds. The response time to light signals in birds on the ground is very significant, especially for large birds that are the most dangerous for aircraft. Moreover, with a constant frequency of light flashes, the birds perceive the danger approach too late, as a result of which they do not have time to move away from the airplanes from the engine intake zone. Therefore, it is necessary to change the frequency of the signals. However, birds that are in flight can quickly respond to danger and thereby escape from it. Thus, birds in flight need mainly information on the direction of the danger approaching them. For this, a sufficient constant
    at the frequency of light flashes, but not more than 3 Hz. With a lower frequency of outbreaks, birds receive information in too large intervals and therefore cannot accurately determine the direction of flight. If the frequency exceeds 3 Hz, then the light signals are perceived as flickering of light, as stationary information that does not lead to a positive result.
    Thus, the greatest effect when scaring off birds is achieved when applying light signals with a variable frequency, continuously varying within 0.5 - 3.0 Hz for 10-40 seconds, after which the frequency of the signals should be kept constant until the end of the cycle. Cycles can be performed once or sequentially multiple times. In this case, if the cycle is repeated, the frequency returns to its initial value, i.e. minimum value. The number of cycles and the specific nature of the process in the cycle, i.e. the frequency of signaling and the rate of change of frequencies are chosen in accordance with the types of aircraft, bird species and flight conditions,
    权利要求:
    Claims (2)
    [1]
    1. A method of preventing aircraft from colliding with birds in flight, by scaring off birds with light warning signals, characterized in that, in order to increase the safety of aircraft flights by ensuring the effectiveness of the bird scare process, light warning signals are sent in flight with variable frequency, continuously varying within 0.5-3.0 Hz for one cycle lasting 10-40 seconds.
    [2]
    2. A method according to claim 1, characterized in that after reaching the maximum frequency of the signals, it remains unchanged until the end of the cycle.
    类似技术:
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    COGGSHALL1972|The landing response and visual processing in the milkweed bug, Oncopeltus fasciatus
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    Williams et al.1967|Bat Collisions with High Performance Aircraft
    GB1110771A|1968-04-24|A system for ascertaining the range of visibility
    SU1464993A1|1989-03-15|Method of selecting birds for stress-resistance
    同族专利:
    公开号 | 公开日
    CH669162A5|1989-02-28|
    AU584565B2|1989-05-25|
    EP0236267A3|1989-04-12|
    GR3001215T3|1992-07-30|
    CA1265110A|1990-01-30|
    EP0236267A2|1987-09-09|
    IL81612D0|1987-09-16|
    ES2018849B3|1991-05-16|
    BR8700945A|1987-12-29|
    AU6886787A|1987-09-10|
    DE3766724D1|1991-01-31|
    JPS62210199A|1987-09-16|
    JP2755575B2|1998-05-20|
    EP0236267B1|1990-12-19|
    US4736907A|1988-04-12|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH88086A|CH669162A5|1986-03-04|1986-03-04|METHOD AND DEVICE FOR PREVENTING BIRD SHOCK.|
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