CN215526121U - Airport runway FOD rotation recognition device based on laser - Google Patents
Airport runway FOD rotation recognition device based on laser Download PDFInfo
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- CN215526121U CN215526121U CN202121628763.2U CN202121628763U CN215526121U CN 215526121 U CN215526121 U CN 215526121U CN 202121628763 U CN202121628763 U CN 202121628763U CN 215526121 U CN215526121 U CN 215526121U
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Abstract
The utility model provides an airport runway FOD rotation recognition device based on laser, which comprises an arc-shaped reflecting wall; the opposite two sides of the airport runway are provided with a plurality of arc-shaped reflecting walls, the arc-shaped reflecting wall on each side is arranged vertical to the pavement of the airport runway, the end part of each arc-shaped reflecting wall is connected with the end part of the other adjacent arc-shaped reflecting wall, each arc-shaped reflecting wall is correspondingly provided with a base, the base and the arc-shaped reflecting wall corresponding to the base are respectively arranged on the opposite two sides of the airport runway, the base is positioned at the arc center of the corresponding arc-shaped reflecting wall, and the base is also positioned at the end part of the arc-shaped reflecting wall on the side where the base is positioned; each base is arranged on a base rotating system, and the base rotating system is arranged in the foundation pit; all be provided with laser sensor on each base, laser sensor's transmitting part stretches out the foundation ditch to a little be higher than the road surface of airport runway, it passes through DTU equipment wireless connection management terminal. The utility model has the advantages of high identification precision, wide range and high efficiency and has little influence on airport traffic.
Description
Technical Field
The utility model relates to the technical field of photoelectric information, in particular to an airport runway FOD rotation recognition device based on laser.
Background
FOD, i.e. Foreign Object Debris (a Foreign matter that may damage an aircraft), is a complex and generic term for airport runway Foreign matter. The existence of airport runway foreign matter (FOD) easily leads to the airport safety problem, therefore in order to guarantee the airport safe operation, it is crucial to survey and in time clear up airport runway foreign matter (FOD). The safety technology center of the national general aviation airport department publishes an FOD prevention manual in 2009, the necessity of an FOD detection system is provided, and the fact that the FOD monitoring of airports in China is still imperfect at present is pointed out, at the moment, the FOD of airport runways is identified mostly by manual regular inspection, foreign matters are searched by human eyes, accurate foreign matter detection is difficult to carry out under the condition of low visibility, and the reliability is poor, time is consumed, and the labor is wasted. With the development of science and technology, for identifying the FOD on the airport runway, there is a system and a method for detecting the foreign matters on the airport runway, which are provided by the chinese utility model patent with the publication number CN111562576A, and the system and the method adopt radar scanning and image processing to identify the area FOD, but the method is complex and inefficient to operate when the identification precision of the tiny foreign matters is low. In addition, a mobile airport pavement foreign matter detection method and system proposed by chinese utility model patent with publication number CN110673141A adopts a mobile robot to detect and collect the FOD pattern on the airport runway, but the greatest weakness of this method lies in that it cannot be used for busy airport runway transportation, thereby resulting in reduced flight times and economic loss. Therefore, it is necessary to provide an FOD recognition device having high recognition accuracy, a wide range, and high efficiency, and having little influence on airport traffic.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a laser-based FOD rotation recognition device for an airport runway comprises an arc-shaped reflecting wall, a base rotation system, a laser sensor, DTU equipment and a management terminal; the airport runway comprises a plurality of arc-shaped reflecting walls, wherein a plurality of arc-shaped reflecting walls are arranged on two opposite sides of the airport runway, the arc-shaped reflecting wall on each side is perpendicular to the pavement of the airport runway, the end part of each arc-shaped reflecting wall is connected with the end part of the other adjacent arc-shaped reflecting wall, a base is correspondingly arranged on each arc-shaped reflecting wall, the base and the arc-shaped reflecting wall corresponding to the base are respectively arranged on two opposite sides of the airport runway, the base is positioned at the arc center of the corresponding arc-shaped reflecting wall, and the base is also positioned at the end part of the arc-shaped reflecting wall on the side where the base is positioned; each base is installed on a base rotating system, the base rotating system is arranged in a foundation pit, and the foundation pit is arranged on the outer side of an airport runway; all be provided with laser sensor on each base, laser sensor's transmitting part stretches out the foundation ditch, and be a little higher than the road surface of airport runway, laser sensor is rotatory under base rotating system's effect, laser sensor passes through DTU equipment wireless connection management terminal.
Preferably, all the curved reflecting walls are the same size.
Preferably, at least two laser sensors are mounted on each base, and all the laser sensors on the same base are arranged in the same vertical direction and are sequentially arranged at intervals.
Preferably, the rotation angle of the laser sensor is set as alpha, and the value range of alpha is more than or equal to 90 degrees and less than or equal to 120 degrees.
Preferably, base rotating system contains unable adjustment base, electric motor, driving gear and driven gear, unable adjustment base installs on the foundation ditch, installs on it electric motor, electric motor passes through motor control device and connects the management terminal, the cover is equipped with the driving gear on electric motor's the output shaft, driving gear meshing connects driven gear, driven gear passes through the driven gear bracing piece and rotates and install on unable adjustment base, driven gear's top surface installation base, driven gear's the rotation center line and the coincidence of the arc central axis of the arc reflection wall that its upper base corresponds, laser sensor on the base and driven gear rotation center line's horizontal line are on the radius of the arc reflection wall that this base corresponds.
Preferably, the management terminal comprises a control terminal and an alarm module, and the control terminal is respectively connected with the alarm module, the DTU equipment and the base rotating system.
Compared with the prior art, the utility model has the following beneficial effects:
1. the laser-based FOD rotation recognition device for the airport runway, disclosed by the utility model, is used for detecting and recognizing the airport runway by utilizing laser, acquiring information such as the position, the height and the like of a foreign body while recognizing the foreign body, and giving an alarm after recognizing the foreign body, so that related personnel can be conveniently and timely treated, and the safety of the airport runway is ensured.
2. Compared with the traditional device for detecting the FOD by using the laser, the device can accurately detect the tiny foreign matters on the runway on the premise of not influencing the traffic of the airport, and simultaneously, compared with the traditional device for detecting the FOD by using the laser, the device enlarges the area of laser detection by using the base rotating system, improves the accuracy and the precision of detecting and identifying the FOD on the airport runway by using the coincidence of the detection areas, can detect the FOD in the whole airport runway in a short time, and improves the detection efficiency.
3. The utility model can be suitable for various airport runways, and has the advantages of convenient construction, simple structure calculation, convenient operation and high popularization value.
Drawings
FIG. 1 is a top view of the reflective wall and laser sensor arrangement of the present invention.
Fig. 2 is a view showing the mounting of the base and the laser sensor according to the present invention.
Fig. 3 is an installation view of the base rotation system of the present invention.
Fig. 4 is a top view of the gear arrangement of fig. 3.
Fig. 5 is a vertical sectional view of the present invention when detecting foreign matter.
Description of the main elements
In the figure: airport runway 1, arc reflection wall 2, laser sensor 3, base 4, foundation ditch 5, unable adjustment base 6, electric motor 7, motor control device 8, driving gear 9, driven gear 10, driven gear bracing piece 11, gear control device 12. The following detailed description will further illustrate the utility model in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 4, in a preferred embodiment of the present invention, a laser-based airport runway FOD rotation recognition apparatus includes an arc-shaped reflective wall 2, a base 4, a base rotation system, a laser sensor 3, a DTU device, and a management terminal. The airport runway comprises an airport runway 1, wherein a plurality of arc-shaped reflecting walls 2 are arranged on two opposite sides of the airport runway 1, the arc-shaped reflecting wall 2 on each side is arranged perpendicular to the pavement of the airport runway 1, the end part of each arc-shaped reflecting wall 2 is connected with the end part of the other adjacent arc-shaped reflecting wall 2, a base 4 is correspondingly arranged on each arc-shaped reflecting wall 2, the base 4 and the arc-shaped reflecting wall 2 corresponding to the base 4 are respectively arranged on two opposite sides of the airport runway 1, the base 4 is positioned at the arc center of the corresponding arc-shaped reflecting wall 2, and the base 4 is also positioned at the end part of the arc-shaped reflecting wall 2 on the side where the base 4 is positioned; each base 4 is installed on a base rotating system, the base rotating system is arranged in a foundation pit 5, and the foundation pit 5 is arranged on the outer side of the airport runway 1; all be provided with laser sensor 3 on each base 4, laser sensor 3's transmitting part stretches out foundation ditch 5, and a little higher than airport runway 1's road surface, laser sensor 3 is rotatory under base rotating system's effect, laser sensor 3 passes through DTU equipment wireless connection management terminal.
The laser sensor 3 is preferably the laser sensor 3 with the laser emitting radius less than or equal to 3mm, the laser sensor 3 is arranged on the base 4, and is fixedly arranged on the base 4 through bolts, so that the laser sensor 3 can be stably fixed in the whole detection and identification process, and the identification accuracy cannot be influenced due to position change caused by external reasons such as wind. In the utility model, the laser sensor 3 is arranged on the base rotating system through the base 4, and can rotate along with the base rotating system, so as to detect and identify the foreign matters, the detection area of the laser sensor 3 can be enlarged by the rotating detection mode, and the detection areas of the two adjacent laser sensors 3 are overlapped by the rotating mode, so that the accuracy and the precision of detecting and identifying the FOD of the airport runway 1 are further improved, and the mode can detect the FOD in the whole airport runway 1 in a short time, so that the detection efficiency is greatly improved, preferably, in the embodiment, the rotating angle of the laser sensor 3 is set as alpha, the value range of the alpha is more than or equal to 90 degrees and less than or equal to 120 degrees, so that the rotating angle is limited, so as to avoid that the laser reflection distance is increased due to overlarge rotating angle, thereby the detection precision is reduced, and the purpose of overlapping the detection areas cannot be achieved due to undersize the rotating angle, in the embodiment, the arc angle of each arc-shaped reflecting wall 2 is 90 degrees, and when the rotation angle of the laser sensor 3 is equal to 90 degrees, the laser sensor 3 can detect all the airport runways 1, so that alpha is more than or equal to 90 degrees and less than or equal to 120 degrees, which can ensure that all the airport runways 1 can be detected and simultaneously the overlapped part can also appear. Further, in the present embodiment, the base rotating system includes a fixed base 6, an electric motor 7, a driving gear 9 and a driven gear 10, the fixed base 6 is installed on the foundation pit 5, on which the electric motor 7 is mounted, the electric motor 7 is connected with a management terminal through a motor control device 8, the output shaft of the electric motor 7 is sleeved with a driving gear 9, the driving gear 9 is engaged with a driven gear 10, the driven gear 10 is rotatably mounted on the fixed base 6 through a driven gear support rod 11, the base 4 is arranged on the top surface of the driven gear 10, the rotation central line of the driven gear 10 is superposed with the arc central axis of the arc reflecting wall 2 corresponding to the base 4, the horizontal connecting line of the rotating central line of the laser sensor 3 on the base 4 and the driven gear 10 is on the radius of the arc-shaped reflecting wall 2 corresponding to the base 4; in above-mentioned base rotating system, electric motor 7 passes through driving gear 9 and drives driven gear 10 and rotate, and then make laser sensor 3 rotate through driven gear 10, electric motor 7 passes through motor controlling means 8 by the management terminal and controls, make it drive 3 rotation range of laser sensor satisfy 90 ≤ alpha ≤ 120, and can make a round trip to rotate, for better control pivoted precision, increase driving and driven gear 10 number ratio, in order to guarantee that driving gear 9 drives driven gear 10 and rotates once every time, laser emitter rotation angle control is within 1 degree, thereby improve and detect the precision. In addition, a gear control device 12 is mounted on the driving gear 9, and the gear control device 12 is connected with a management terminal.
In the utility model, the laser emitted by the laser sensor 3 is reflected and rebounded through the arc-shaped reflecting wall 2 when no foreign matter is encountered in the detection and identification process, the arc-shaped reflecting wall 2 adopts an arc-shaped structure, so that the laser emitted by the laser sensor 3 can be ensured to vertically strike the reflecting wall 2 at any angle, the reflected laser is strongest, the identification precision of the FOD detected by the device is further improved, and preferably, all the arc-shaped reflecting walls 2 have the same size.
Further, in order to facilitate the identification of the height of the foreign matter on the airport runway 1, at least two laser sensors 3 are installed on each base 4, all the laser sensors 3 on the same base 4 are arranged in the same vertical direction and are sequentially arranged at intervals, two adjacent laser sensors 3 are fixedly connected through bolts, preferably, the distance between two adjacent laser sensors 3 in the same vertical direction is 1-2cm, so that the accuracy of detecting the height of the foreign matter is ensured, and the precision of detecting the height of the foreign matter is improved.
Further, in the present invention, the management terminal is used as a master controller, and collects data and regulates the entire apparatus in a centralized manner, in this embodiment, the management terminal includes a control terminal and an alarm module, the control terminal is connected to the alarm module, the DTU device and the base rotation system, the DTU device uploads the reflection coefficient of the laser sensor 3 to the control terminal, and the control terminal controls the alarm module to give an alarm when determining that there is a foreign object according to the received data, so that relevant personnel can quickly catch up with the foreign object in the airport runway 1 to ensure that the flight is not delayed, and the control terminal can also control the electric motor 7 control device and the gear control device 12 to enable the base rotation system to operate normally.
In the present invention, the recognition principle of the recognition device is:
1. judging whether foreign matters exist:
when the laser emitted by the laser sensor 3 reaches the reflecting wall 2, the reflection coefficient gamma received by the laser sensor 3 is rebounded when no foreign object exists, and if the reflection coefficient gamma of the laser received by the laser sensor 3 is not equal to gamma, the existence of the foreign object is proved.
2. Principle of judging foreign matter height:
the height determination is performed based on the stacking of the plurality of laser sensors 3 on the base 4. When installing laser sensor 3 respectively on the co-altitude, be in when laser sensor 3 of below detects no foreign matter, then whole no foreign matter, if laser sensor 3 of below detects when having the foreign matter, follow down and up look over each laser sensor 3 in proper order, until laser sensor 3 of a certain height shows no foreign matter, at this moment, the height value of foreign matter falls between the height value of laser sensor 3 of this height and the height value of the next laser sensor 3 that is located this laser sensor 3, as figure 5.
In the present invention, the specific arrangement method of the above-mentioned identification device is as follows:
s1: determining the size of a base 4 according to the size of the selected laser sensor 3 to manufacture the base 4; connecting DTU equipment to the laser sensors 3, and then sequentially installing the laser sensors 3 on the base 4 at different heights by using bolts, wherein the distance between every two adjacent laser sensors 3 is controlled to be 1-2 cm;
s2: arranging a plurality of foundation pits 5 on two opposite sides of the airport runway 1 at intervals, and installing a bottom rotating system into the foundation pits 5;
s3: establishing arc-shaped reflecting walls 2 at the two sides of the airport runway 1;
s4: the base 4 and the laser sensor 3 thereon are connected with the installed base rotating system through bolts, and the laser emitted by the laser sensor 3 is ensured to be slightly higher than the pavement of the airport runway 1, so that the stability of the whole structure is ensured.
S5: connecting a motor control terminal of the base rotating system and a receiving end of the DTU equipment to a management terminal, and ensuring that the base rotating system can be controlled and correct numerical values can be received;
s6: the whole laser-based airport runway 1FOD rotation recognition device is debugged repeatedly, and foreign matters can be placed at 1 position of the airport runway in the debugging process to judge the recognition correctness.
Herein, the DTU device is a wireless terminal device that is specially used to convert serial data into IP data or convert IP data into serial data and transmit the serial data through a wireless communication network.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an airport runway FOD rotation recognition device based on laser which characterized in that: the device comprises an arc-shaped reflecting wall, a base rotating system, a laser sensor, DTU equipment and a management terminal; the airport runway comprises a plurality of arc-shaped reflecting walls, wherein a plurality of arc-shaped reflecting walls are arranged on two opposite sides of the airport runway, the arc-shaped reflecting wall on each side is perpendicular to the pavement of the airport runway, the end part of each arc-shaped reflecting wall is connected with the end part of the other adjacent arc-shaped reflecting wall, a base is correspondingly arranged on each arc-shaped reflecting wall, the base and the arc-shaped reflecting wall corresponding to the base are respectively arranged on two opposite sides of the airport runway, the base is positioned at the arc center of the corresponding arc-shaped reflecting wall, and the base is also positioned at the end part of the arc-shaped reflecting wall on the side where the base is positioned; each base is installed on a base rotating system, the base rotating system is arranged in a foundation pit, and the foundation pit is arranged on the outer side of an airport runway; all be provided with laser sensor on each base, laser sensor's transmitting part stretches out the foundation ditch, and be a little higher than the road surface of airport runway, laser sensor is rotatory under base rotating system's effect, laser sensor passes through DTU equipment wireless connection management terminal.
2. The laser-based airport runway FOD rotation identification device of claim 1, wherein: all the arc-shaped reflecting walls have the same size.
3. The laser-based airport runway FOD rotation identification device of claim 1, wherein: at least two laser sensors are arranged on each base, and all the laser sensors on the same base are arranged in the same vertical direction and are sequentially arranged at intervals.
4. The laser-based airport runway FOD rotation identification device of claim 1, wherein: the rotation angle of the laser sensor is set as alpha, and the value range of alpha is more than or equal to 90 degrees and less than or equal to 120 degrees.
5. The laser-based airport runway FOD rotation identification device of claim 1, wherein: the base rotating system contains unable adjustment base, electric motor, driving gear and driven gear, unable adjustment base installs on the foundation ditch, installs on it electric motor, electric motor passes through motor control device connection management terminal, the cover is equipped with the driving gear on electric motor's the output shaft, driving gear meshing connects driven gear, driven gear passes through driven gear bracing piece rotation and installs on unable adjustment base, driven gear's top surface mounting base, driven gear's rotation center line and the coincidence of the arc central axis of the arc reflection wall that its upper base corresponds, laser sensor on the base and driven gear rotation center line's horizontal line are on the radius of the arc reflection wall that this base corresponds.
6. The laser-based airport runway FOD rotation identification device of claim 1, wherein: the management terminal comprises a control terminal and an alarm module, and the control terminal is respectively connected with the alarm module, the DTU equipment and the base rotating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121628763.2U CN215526121U (en) | 2021-07-09 | 2021-07-09 | Airport runway FOD rotation recognition device based on laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121628763.2U CN215526121U (en) | 2021-07-09 | 2021-07-09 | Airport runway FOD rotation recognition device based on laser |
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| Publication Number | Publication Date |
|---|---|
| CN215526121U true CN215526121U (en) | 2022-01-14 |
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| CN202121628763.2U Withdrawn - After Issue CN215526121U (en) | 2021-07-09 | 2021-07-09 | Airport runway FOD rotation recognition device based on laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359155A (en) * | 2021-07-09 | 2021-09-07 | 王龙林 | Airport runway FOD rotation recognition device based on laser |
-
2021
- 2021-07-09 CN CN202121628763.2U patent/CN215526121U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359155A (en) * | 2021-07-09 | 2021-09-07 | 王龙林 | Airport runway FOD rotation recognition device based on laser |
| CN113359155B (en) * | 2021-07-09 | 2024-07-02 | 王龙林 | Airport runway FOD rotation recognition device based on laser |
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