A Method and System for Notifying Water Landing Protection of a Seaplane Search Device

Abstract

The present invention provides a method and system for notifying the water landing protection of a seaplane search device. According to the flight performance and characteristics of the seaplane, a design method and system for starting radar radiation protection, retracting optoelectronic protection, and displaying corresponding sensor protection prompts during the water landing process of the seaplane are proposed. The integrated data processing unit performs comprehensive processing according to the water landing protection judgment process of the seaplane search device and the converted data, and cross-links the processing results with the network management unit and the mission display through the bus data interface according to the agreed communication protocol, and transmits them to the mission display for display, providing visual text display and light prompts for the flight crew when the seaplane lands on water.

Description

Technical Field

[0001] The present invention belongs to the technical field of seaplane search and rescue, and relates to a method and system for notifying water impact protection of a seaplane search device. Background Art

[0002] Rescue seaplanes are mainly used for search and rescue missions on large rivers, big rivers and the sea. By installing search equipment, large-scale water search can be realized, so as to assist in completing the rescue missions for distressed airplanes, ships and personnel, and other uses such as marine environment monitoring and protection can also be realized.

[0003] The seaplane has a water impact usage mode. The water impact process generates strong water wave impact force, which will have an adverse impact on the search and detection devices installed outside the fuselage, and then directly affect the application of the search device on the seaplane, thus affecting the execution of the seaplane rescue mission. Summary of the Invention

[0004] The present invention proposes a method and system for notifying water impact protection of a seaplane search device, improving the safety of the seaplane search device, so as to ensure the effectiveness of the search device in the application of the seaplane.

[0005] In the first aspect of the present invention, a system for notifying water impact protection of a seaplane search device is proposed. The system includes: an integrated data processing unit 103, an optoelectronic search device 104, a search radar device 105, a sensor 106, and a remote data acquisition unit 108; wherein,

[0006] The remote data acquisition unit 108 is configured to receive the data information source provided by the avionics equipment 107 of the seaplane to obtain the aircraft state information; and is also configured to receive the temperature information provided by the sensor 106; the data information source includes: the aircraft wheel load state, the water impact / landing state selected by the pilot, the ground speed, the radio altitude, and the barometric altitude.

[0007] The integrated data processing unit 103 is cross-linked with the optoelectronic search device 104, the search radar device 105, and the remote data acquisition unit 108;

[0008] The integrated data processing unit 103 is configured to receive the data information source and the temperature information sent by the remote data acquisition unit 108, receive the working states of the optoelectronic search device 104 and the search radar device 105, and judge whether the seaplane is about to be in a water impact state according to the data source information; if so, generate a water impact protection notice for the search device according to the temperature information, the working states of the optoelectronic search device 104 and the search radar device 105.

[0009] Optionally, the integrated data processing unit 103 is configured to determine that the seaplane will be in a landing state when the following conditions are all met:

[0010] 1) The aircraft wheel load state is in the air;

[0011] 2) The selected landing / water landing state by the pilot is water landing;

[0012] 3) The altitude is not greater than 15 meters;

[0013] 4) The ground speed is less than the water takeoff decision speed.

[0014] Optionally, the integrated data processing unit 103 is specifically configured to generate a water landing protection notice for the search device 10 seconds before the seaplane lands when it is determined that the seaplane is about to be in a water landing state.

[0015] Optionally, the water landing protection notice for the search device includes: optoelectronic retraction protection, radar start radiation protection, laser rangefinder shutdown, and system overheat protection prompt information.

[0016] Optionally, the working states of the optoelectronic search device 104 include: the optoelectronic pod is lowered, the optoelectronic sphere is rotated in the azimuth and pitch directions, the optoelectronic sphere detects, identifies, and tracks the target, and the laser rangefinder is turned on to perform laser rangefinding and positioning;

[0017] The working states of the search radar device 105 include: the search radar antenna unit is in an electromagnetic radiation, target search and tracking scan, and detection picture imaging state.

[0018] Optionally, the sensor 106 is a temperature sensor and / or an overheat sensor; the integrated data processing unit 103 is specifically configured to, when it is determined that the seaplane is about to be in a water landing state,

[0019] generate an optoelectronic retraction protection prompt information when the working states of the optoelectronic search device 104 are that the optoelectronic pod is lowered, the optoelectronic sphere detects, and the optoelectronic sphere rotates;

[0020] generate a laser rangefinding prompt information when the laser rangefinding component in the optoelectronic search device 104 is in a working state;

[0021] generate a radar start radiation protection prompt information when the working states of the search radar device 105 are in a radiation and scan state;

[0022] generate a system working temperature too high prompt information when the temperature sensor and / or the overheat sensor detects that the working temperature of the optoelectronic search device 104 or the search radar device 105 is higher than the temperature threshold.

[0023] Optionally, it further includes: a mission display 101;

[0024] The mission display 101 is connected to the integrated data processing unit 103, receives the water landing protection notice of the search device, and provides visual text display and light prompts for the flight crew when the seaplane lands on water.

[0025] The second aspect of the present invention provides a method for notifying water landing protection of a seaplane search device. Using the system described in any one of the first aspects, the method includes:

[0026] Obtain the data information source, temperature information, working status of the optoelectronic search device 104, and working status of the search radar device 105;

[0027] Judge whether the seaplane is about to be in a water landing state according to the data source information;

[0028] If so, generate a water landing protection notice for the search device according to the temperature information, the working status of the optoelectronic search device 104, and the working status of the search radar device 105.

[0029] The present invention proposes a method and system for notifying water landing protection of a seaplane search device, which is used to judge whether to issue optoelectronic retraction protection, radar start radiation protection, and system overheat protection prompts before the seaplane lands on water. The above method includes using a mission display, a network management unit, an integrated data processing unit, an optoelectronic search device, a search radar device, relevant sensors, a remote data acquisition unit, and also uses a data information source provided by avionics equipment. In view of the characteristics of the seaplane water landing form, the present invention provides a more complete solution for notifying water landing protection of the search device, which can effectively remind the flight crew so that the flight crew can take corresponding measures to protect the search device, improve the safety of the seaplane search device, and thus ensure the effectiveness of the search device in seaplane applications and the smooth execution of aircraft rescue missions, and has great practical value. Brief Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram of a system for notifying water landing protection of a seaplane search device provided by the present invention;

[0031] Figure 2 It is a flowchart of the implementation of a method for notifying water landing protection of a seaplane search device provided by the present invention;

[0032] Description of the Reference Numerals:

[0033] 101 - Mission display;

[0034] 102 - Network management unit;

[0035] 103 - Integrated data processing unit;

[0036] 104 - Optoelectronic search device;

[0037] 105 - Search radar equipment;

[0038] 106 - Sensor;

[0039] 107 - Avionics equipment;

[0040] 108 - Remote data acquisition unit. Detailed implementation manners

[0041] Next, in combination with the drawings and embodiments, a waterplane search device water landing protection notice method and system provided by the present invention will be described in detail.

[0042] As Figure 1 shown, a waterplane search device water landing protection notice system provided by the present invention includes: a mission display 101, a network management unit 102, an integrated data processing unit 103, an optoelectronic search device 104, a search radar equipment 105, a sensor 106, an avionics equipment 107, and a remote data acquisition unit 108.

[0043] Among them, the sensor 106 and the avionics equipment 107 are cross - linked with the remote data acquisition unit 108 through analog and discrete data interfaces for data information.

[0044] The optoelectronic search device 104, the search radar equipment 105, and the remote data acquisition unit 108 are cross - linked with the integrated data processing unit 103 through a low - speed data bus for data information.

[0045] The optoelectronic search device 104, the search radar equipment 105, and the mission display 101 are cross - linked with the integrated data processing unit 103 through a high - speed data bus, and at the same time, the network management unit 102 schedules the resources of the high - speed data bus.

[0046] Among them, the sensor 106 is a temperature sensor and / or an overheat sensor, and the acquisition information that the sensor 106 can provide includes: temperature change data, temperature threshold for overheat detection.

[0047] As Figure 2 shown, a waterplane search device water landing protection notice judgment method provided by the present invention mainly includes:

[0048] First, obtain the aircraft status information. The remote data acquisition unit 108 in Figure 1 obtains the aircraft wheel load status, the water landing / landing status selected by the pilot, the ground speed, the radio altitude, and the barometric altitude from the avionics equipment 107.

[0049] Second, judge whether the aircraft is in a water landing state according to the above information. By Figure 1The aircraft state information and altitude information obtained by the central integrated data processing unit 103 from the remote data acquisition unit 108 are comprehensively processed and judged. The judgment conditions for the aircraft to be in a water landing state are as follows:

[0050] (1) The aircraft wheel load state is in the air;

[0051] (2) And the selected water landing / landing state by the pilot is water landing;

[0052] (3) And the altitude is not greater than 15 meters;

[0053] (4) And the ground speed is less than the water takeoff decision speed.

[0054] Among them, the altitude not being greater than 15 meters can be that the radio altitude or the barometric altitude is not greater than 15 meters.

[0055] Third, obtain the temperature information from the relevant sensor 106, convert and comprehensively process the cross-linked search device working state data, and Figure 1 the central integrated data processing unit 103 receives the information of the optoelectronic search device 104, the search radar device 105, and the remote data acquisition unit 108, and judges the optoelectronic search working state, the search radar working state, and the system sensor critical temperature state.

[0056] Fourth, generate the water landing protection prompt information for the search device, and Figure 1 the central integrated data processing unit 103, according to the information of the optoelectronic search device 104, the search radar device 105, and the relevant sensor 106, judges and generates the optoelectronic retraction protection, radar start radiation protection, laser ranging shutdown, and system working temperature too high prompt information 10 seconds before the aircraft lands in the water.

[0057] When the working state of the optoelectronic search device 104 is that the optoelectronic pod is lowered, the optoelectronic sphere detects, and the optoelectronic sphere rotates, generate the optoelectronic retraction protection prompt information;

[0058] When the laser ranging component in the optoelectronic search device 104 is in the working state, generate the laser ranging prompt information;

[0059] When the working state of the search radar device 105 is in the radiation and scanning state, generate the radar start radiation protection prompt information;

[0060] When the temperature sensor and / or the overheat sensor detects that the working temperature of the optoelectronic search device 104 or the search radar device 105 is higher than the preset temperature or temperature threshold, generate the system working temperature too high prompt information.

[0061] Fifth, display the optoelectronic retraction protection notice, radar start radiation protection notice, laser ranging shutdown notice, and system overheat protection notice, and Figure 1The comprehensive data processing unit 103 outputs the comprehensive processing result of the water ingress protection judgment of the search device to the mission display 101 through the bus data of the network management unit 101 according to the agreed communication protocol. The comprehensive data processing unit 103 determines that the time for generating the water ingress protection notice of the search device is earlier than 10 seconds before the aircraft touches the water.

[0062] Among them, the calculation of the 10-second early time is based on the height and speed of the aircraft's descent, as well as the time required for the search radar device and the optoelectronic search device to activate the protection function.

[0063] Sixth, Figure 1 The mission display 101 in the system immediately displays the optoelectronic retraction protection notice, the radar activation radiation protection notice, the laser rangefinder shutdown notice, and the system overheat protection notice through display characters or virtual warning lights, completing the water ingress protection notice process of the seaplane search device.

Claims

1. A water plane search device water landing protection notice system, characterized in that, The system includes: an integrated data processing unit (103), an optoelectronic search device (104), a search radar device (105), a sensor (106), and a remote data acquisition unit (108); among which, The remote data acquisition unit (108) is used to receive the data information source provided by the avionics equipment (107) of the seaplane to obtain the aircraft status information; and is also used to receive the temperature information provided by the sensor (106); the data information source includes: the aircraft wheel load status, the water landing / landing status selected by the pilot, the ground speed, the radio altitude, and the barometric altitude; The integrated data processing unit (103) is cross-linked with the optoelectronic search device (104), the search radar device (105), and the remote data acquisition unit (108); The integrated data processing unit (103) is used to receive the data information source and the temperature information sent by the remote data acquisition unit (108), and receive the working status of the optoelectronic search device (104) and the working status of the search radar device (105), and determine whether the seaplane is about to be in a water landing state according to the data source information; if so, generate a water landing protection notice for the search device according to the temperature information, the working status of the optoelectronic search device (104), and the working status of the search radar device (105); When it is determined that the seaplane is about to be in a water landing state, a water landing protection notice for the search device is generated 10 seconds before the seaplane lands in the water; Among them, the calculation of the 10-second early time is: calculated according to the height and speed of the aircraft's descent and the time required for the search radar device and the optoelectronic search device to start the protection function; The water landing protection notice for the search device includes: optoelectronic retraction protection, radar start radiation protection, laser rangefinder shutdown, and system overheat protection prompt information.

2. The system according to claim 1, wherein The integrated data processing unit (103) is used to determine that the seaplane will be in a water landing state when the following conditions are all met: (1) The aircraft wheel load status is in the air; (2) The water landing / landing status selected by the pilot is water landing; (3) The altitude is not greater than 15 meters; (4) The ground speed is less than the water takeoff decision speed.

3. The system according to claim 1, wherein The working status of the optoelectronic search device (104) includes: the optoelectronic pod is lowered, the rotation control of the optoelectronic sphere in the azimuth and elevation directions, the optoelectronic sphere detects, identifies, and tracks the target, and the laser rangefinder is turned on to perform laser rangefinding and positioning; The working status of the search radar device (105) includes: the search radar antenna unit is in the electromagnetic radiation, target search and tracking scan, and detection picture imaging state.

4. The system according to claim 3, wherein The sensor (106) is a temperature sensor and / or an overheat sensor; specifically, the integrated data processing unit (103) is used to, when it is determined that the seaplane is about to be in a water landing state, generate an optoelectronic retraction protection prompt information when the working status of the optoelectronic search device (104) is that the optoelectronic pod is lowered, the optoelectronic sphere detects, and the optoelectronic sphere rotates; generate a laser rangefinder shutdown prompt information when the laser rangefinder component in the optoelectronic search device (104) is in the working state; generate a radar start radiation protection prompt information when the working status of the search radar device (105) is in the radiation and scan state; When the temperature sensor and / or the overheat sensor detect that the operation of the optoelectronic search device (104) or the search radar device (105) is higher than the temperature threshold, a system operating temperature too high prompt message is generated.

5. The system according to claim 1, wherein It further includes: A mission display (101); The mission display (101) is connected to the integrated data processing unit (103), receives the water landing protection notice of the search device, and provides a visual text display and a light prompt for the flight crew when the seaplane lands on water.

6. A method for notifying water landing protection of a seaplane search device, characterized in that, Adopting the system according to any one of claims 1-5, the method includes: Obtaining the data information source, temperature information, the operating state of the optoelectronic search device (104), and the operating state of the search radar device (105); Judging whether the seaplane is about to be in a water landing state according to the data source information; If so, a water landing protection notice of the search device is generated according to the temperature information, the operating state of the optoelectronic search device (104), and the operating state of the search radar device (105).

Images