A navigation light control system

Abstract

The application provides a navigation light control system, a 1:2 unequal ratio beam splitter is arranged in an isolation transformer box, and according to the number of isolation transformer box groups and the number of single lamp monitoring devices in the isolation transformer box in the isolation transformer box group, the number of beams corresponding to the 1:2 unequal ratio beam splitter in each isolation transformer box is obtained, and according to the number of beams corresponding to the 1:2 unequal ratio beam splitter in each isolation transformer box, the beam ratio corresponding to the 1:2 unequal ratio beam splitter in each isolation transformer box is obtained. Since the unequal ratio beam splitter is used, the network topology structure of the combination of tree type and star type is avoided at the middle position of the multi-core optical cable in the isolation transformer box, the optical cable and the cable can be deployed along the parallel straight line, and the isolation transformer box is entered and exited, therefore, the laying cost of the multi-core optical cable is reduced, the daily maintenance of the maintenance personnel is more convenient, and the time efficiency of the optical cable maintenance is improved.

Description

Technical Field

[0001] This invention relates to the field of airport navigation light monitoring technology, and in particular to a navigation light control system. Background Technology

[0002] Airport navigation lighting control can provide ground guidance services for pilots and vehicle drivers, enhance airport surface management personnel's awareness of apron traffic conditions, and improve airport command personnel's operational command capabilities in low visibility weather conditions such as rain and snow, and under busy airport surface conditions.

[0003] In the existing technology, navigation light cables are usually laid from the airport single light station. After all the isolation transformers of the circuit are connected in series in the field, they are laid back to the single light station. The isolation transformers are placed in isolation transformer boxes. Therefore, the navigation light cables will enter each isolation transformer box and then exit from that isolation transformer box.

[0004] Single-lamp monitoring systems based on all-optical networks typically employ a combination of tree and star network topologies. Optical cables are usually laid along with navigation light cables to save on engineering construction costs. However, due to the limitations of tree and star network topologies, optical cables cannot be directly inserted into the isolation transformer box along with the navigation light cables. It is necessary to find a suitable area among multiple isolation transformer boxes, lay the optical cable in that area, and then split it into several single-core optical cables through a splitter device, which are then connected to the isolation transformer box in that area respectively.

[0005] Therefore, the current technology for laying optical cables is costly and inconvenient for maintenance personnel in daily operations. Summary of the Invention

[0006] To address the aforementioned technical problems, the technical solution adopted by this invention is as follows:

[0007] A navigation lighting control system, characterized in that the system comprises: a multi-core optical cable, a power cable, and k isolation transformer boxes;

[0008] k isolation transformer boxes are connected in sequence. Each isolation transformer box group includes m isolation transformer boxes. Each isolation transformer box group includes: one first-class isolation transformer box, m-2 second-class isolation transformer boxes and one third-class isolation transformer box connected in sequence.

[0009] The first type of isolation transformer box is equipped with an optical cable splice box, a 1:2 unequal beam divider, a single lamp monitoring device and an isolation transformer;

[0010] The second type of isolation transformer box is equipped with a 1:2 unequal beam divider, a single lamp monitoring device and an isolation transformer;

[0011] The third isolation transformer is equipped with a single-lamp monitoring device and an isolation transformer.

[0012] The cable is connected to the isolation transformer in each isolation transformer box, and the optical cable splice box in the first type of isolation transformer box is connected to the optical cable splice box in the first type of isolation transformer box in the adjacent isolation transformer group and the multi-core optical cable.

[0013] Within the same isolation transformer box, the input end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to the optical cable splice box in the first type of isolation transformer box; one output end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to one end of the single-lamp monitoring device in the first type of isolation transformer box; the other output end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to the input end of the 1:2 unequal beam splitter in the next second type of isolation transformer box in the first type of isolation transformer box; and the other end of the single-lamp monitoring device in the first type of isolation transformer box is connected to the isolation transformer in the first type of isolation transformer box.

[0014] Within the same isolation transformer box, the input terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one output terminal of the 1:2 unequal ratio transformer in the preceding first type of isolation transformer box or the second type of isolation transformer box. One output terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one end of the single-lamp monitoring device in the second type of isolation transformer. The other output terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one end of the 1:2 unequal ratio beam divider in the following second type of isolation transformer box or the single-lamp monitoring device in the third type of isolation transformer box. The other end of the single-lamp monitoring device in the second type of isolation transformer box is connected to the isolation transformer in the second type of isolation transformer box.

[0015] Within the same isolation transformer box, one end of the single-lamp monitoring device in the third type of isolation transformer box is connected to the output end of the 1:2 unequal beam splitter in the preceding second type of isolation transformer box, and the other end of the single-lamp monitoring device in the third type of isolation transformer box is connected to the isolation transformer in the third type of isolation transformer box; the beam splitting ratio of each 1:2 unequal beam splitter is obtained through the following steps:

[0016] S100. Obtain the isolation transformer box identifier list G = (G1, G2, ..., G...) for any isolation transformer box group. i , ...G m ), i = 1, 2, ..., m; m is the number of isolation transformer boxes in the isolation transformer box group, G iThe identifier for the i-th isolation transformer box sequentially set in the isolation transformer box group;

[0017] S200. According to G, obtain the list of 1:2 unequal ratio beam splitter identifiers B = (B1, B2, ..., B...). i , ..., B m ); where B i For G i The corresponding 1:2 unequal beam divider marking in the isolation transformer box;

[0018] S300. Based on B, obtain the spectroscopic value list D = (D1, D2, ..., D...). i , ..., D m ); where D i For B i The corresponding spectral splitting value of a 1:2 unequal beam splitter, D i The following conditions must be met: D i = 1 / ((m+1)-i);

[0019] S400. Based on D, obtain the list of spectrophotometric ratios corresponding to B: C = (C1, C2, ..., C...). i , ..., C m ); where C i For B i For a 1:2 unequal beam splitter, the splitting ratio C1 satisfies the following condition: 100*D1:100*(1-D1), and C i C meets the following conditions: i =C i-1 *D i :C i-1 *(1-D i ).

[0020] The present invention has at least the following beneficial effects: By setting a 1:2 unequal beam splitter in the isolation transformer box, and obtaining the beam splitting value corresponding to the 1:2 unequal beam splitter in each isolation transformer box according to the number of isolation transformer box groups and the number of single-lamp monitoring devices in the isolation transformer box groups, and obtaining the beam splitting ratio corresponding to the 1:2 unequal beam splitter in each isolation transformer box according to the beam splitting value, the use of unequal beam splitters avoids the deployment of multi-core optical cables in the middle of the isolation transformer box using a combination of tree and star network topology. Optical cables and electrical cables can be deployed along parallel straight lines and enter and exit the isolation transformer box at the same time. Therefore, the laying cost of multi-core optical cables is reduced, daily maintenance by maintenance personnel is more convenient, and the time efficiency of optical cable maintenance is improved. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic flowchart of a navigation lighting control system provided in an embodiment of the present invention;

[0023] Figure 2 A simplified structural diagram of a navigation lighting control system provided in an embodiment of the present invention;

[0024] Figure 3 This is a structural diagram of a navigation lighting control system provided in an embodiment of the present invention. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this disclosure, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0027] In the existing technology, navigation light cables are usually laid from the airport single light station. After all the isolation transformers of the circuit are connected in series in the field, they are laid back to the single light station. The isolation transformers are placed in isolation transformer boxes. Therefore, the navigation light cables will enter each isolation transformer box and then exit from that isolation transformer box.

[0028] Single-lamp monitoring systems based on all-optical networks typically employ a combination of tree and star network topologies. Optical cables are usually laid along with navigation light cables to save on engineering construction costs. However, due to the limitations of tree and star network topologies, optical cables cannot be directly inserted into the isolation transformer box along with the navigation light cables. It is necessary to find a suitable area among multiple isolation transformer boxes, lay the optical cable in that area, and then split it into several single-core optical cables through a splitter device, which are then connected to the isolation transformer box in that area respectively.

[0029] Therefore, in order to solve the problem that the laying cost of optical cables in the existing technology is high and it brings inconvenience to the daily maintenance of maintenance personnel, a navigation lighting control system is provided.

[0030] This invention provides a navigation lighting control system, such as... Figure 2 and Figure 3 As shown, the system includes: multi-core optical cable, electrical cable and k isolation transformer boxes.

[0031] Specifically, the k isolation transformer boxes are connected in sequence, and each isolation transformer box group includes m isolation transformer boxes. Each isolation transformer box group includes: one first-type isolation transformer box, m-2 second-type isolation transformer boxes and one third-type isolation transformer box connected in sequence.

[0032] Furthermore, the first type of isolation transformer box is equipped with an optical cable splice box, a 1:2 unequal beam divider, a single-lamp monitoring device, and an isolation transformer; the second type of isolation transformer box is equipped with a 1:2 unequal beam divider, a single-lamp monitoring device, and an isolation transformer; the third isolation transformer is equipped with a single-lamp monitoring device and an isolation transformer, and the isolation transformer is used to supply power to the single-lamp monitoring device and the navigation lights.

[0033] In this embodiment of the invention, within the same isolation transformer box, the input end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to the optical cable splice box in the first type of isolation transformer box; one output end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to one end of the single-lamp monitoring device in the first type of isolation transformer box; the other output end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to the input end of the 1:2 unequal beam splitter in the next second type of isolation transformer box; and the other end of the single-lamp monitoring device in the first type of isolation transformer box is connected to the isolation transformer in the first type of isolation transformer box.

[0034] In this embodiment of the invention, within the same isolation transformer box, the input terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one output terminal of the 1:2 unequal ratio transformer in the preceding first type of isolation transformer box or the second type of isolation transformer box. One output terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one end of the single-lamp monitoring device in the second type of isolation transformer. The other output terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one end of the 1:2 unequal ratio beam divider in the following second type of isolation transformer box or the single-lamp monitoring device in the third type of isolation transformer box. The other end of the single-lamp monitoring device in the second type of isolation transformer box is connected to the isolation transformer in the second type of isolation transformer box.

[0035] In this embodiment of the invention, within the same isolation transformer box, one end of the single-lamp monitoring device in the third type of isolation transformer box is connected to the output end of the 1:2 unequal beam divider in the preceding second type of isolation transformer box, and the other end of the single-lamp monitoring device in the third type of isolation transformer box is connected to the isolation transformer in the third type of isolation transformer box.

[0036] Specifically, the navigation lights are installed outside the isolation transformer box in the isolation transformer box group and are connected to the single-lamp monitoring device in the isolation transformer box group.

[0037] Furthermore, each individual light monitoring device is connected to a navigation light.

[0038] In this embodiment of the invention, the number of optical fibers in the multi-core optical cable is the same as the number of isolation transformer boxes.

[0039] In another embodiment of the present invention, the number of optical fibers in the multi-core optical cable is twice the number of isolation transformer box groups; two optical fibers are extracted from each isolation transformer box group, one of which is used for optical transmission to the single-lamp monitoring device corresponding to the isolation transformer box, and the other optical fiber is used as a spare optical fiber.

[0040] In embodiments of the present invention, such as Figure 1 As shown, the splitting ratio of each 1:2 unequal-ratio beam splitter is obtained through the following steps:

[0041] S100. Obtain the isolation transformer box identifier list G = (G1, G2, ..., G...) for any isolation transformer box group. i , ...G m ), i = 1, 2, ..., m; m is the number of isolation transformer boxes in the isolation transformer box group, G iThis is the identifier for the i-th isolation transformer box in the isolation transformer box group, which is set sequentially.

[0042] In this embodiment of the invention, the number k of the isolation transformer boxes is obtained through the following steps:

[0043] S101. Obtain the preset number n of single-lamp monitoring devices;

[0044] S102. When n is greater than or equal to the preset threshold number of single-lamp monitoring devices n0, execute S103; otherwise, execute S104.

[0045] In this embodiment of the invention, those skilled in the art can set the value of n0 according to actual needs.

[0046] Preferably, n0 = 200. Since the number of optical fibers in the multi-core optical cable is the same as the number of isolation transformer boxes, and the more optical fibers in the multi-core optical cable, the thicker the multi-core optical cable will be. If the multi-core optical cable is too thick, it will be inconvenient to lay and maintain the multi-core optical cable. In this invention, the number of optical fibers in the multi-core optical cable is equal to the number of isolation transformer boxes. Since the number of navigation lights is the same as the number of single-lamp monitoring devices, when the number of navigation lights is too large, the number of isolation transformer boxes in each isolation transformer box group is set to be more, so that each optical fiber in the multi-core optical cable can split the light for more single-lamp control devices. This avoids the problem of excessive cross-sectional diameter of the multi-core optical cable caused by too many isolation transformer boxes due to the excessive number of navigation lights.

[0047] S103. Based on n, determine the number k of the isolation transformer groups; where k satisfies the following condition: k1 is the first preset quantity threshold. It is the floor function;

[0048] S104. Based on n, determine the number k of the isolation transformer groups; where k satisfies the following condition: k2 is the second preset quantity threshold and k2 = 2 * k1.

[0049] In this embodiment of the invention, the value of k1 ranges from 3 to 5; preferably, k1 = 5.

[0050] S200. According to G, obtain the list of 1:2 unequal ratio beam splitter identifiers B = (B1, B2, ..., B...). i , ..., B m ); where B i For G i The corresponding 1:2 unequal beam divider is marked in the isolation transformer box.

[0051] S300. Based on B, obtain the spectroscopic value list D = (D1, D2, ..., D...).i , ..., D m ); where D i For B i The corresponding spectral splitting value of a 1:2 unequal beam splitter, D i The following conditions must be met: D i =1 / ((m+1)-i).

[0052] S400. Based on D, obtain the list of spectrophotometric ratios corresponding to B: C = (C1, C2, ..., C...). i , ..., C m ); where C i For B i For a 1:2 unequal beam splitter, the splitting ratio C1 satisfies the following condition: 100*D1:100*(1-D1), and C i C meets the following conditions: i =C i-1 *D i :C i-1 *(1-D i ).

[0053] The above describes a method that uses 1:2 unequal beam splitters in isolation transformer boxes. Based on the number of isolation transformer boxes and the number of single-lamp monitoring devices in each isolation transformer box, the beam splitting value of each 1:2 unequal beam splitter is obtained. The beam splitting ratio of each 1:2 unequal beam splitter is then calculated based on this value. The use of unequal beam splitters avoids the need for a tree-and-star network topology in the middle of the isolation transformer box for multi-core optical cables. Optical cables and electrical cables can be deployed in parallel straight lines, entering and exiting the isolation transformer box simultaneously. Therefore, the laying cost of multi-core optical cables is reduced, daily maintenance is more convenient, and the time efficiency of optical cable maintenance is improved.

[0054] Those skilled in the art will understand that various aspects of this application can be implemented as a system, method, or program product. Therefore, various aspects of this application can be specifically implemented in the following forms: a completely hardware implementation, a completely software implementation (including firmware, microcode, etc.), or a combination of hardware and software implementations, collectively referred to herein as a "circuit," "module," or "system."

[0055] Furthermore, the above figures are merely illustrative of the processes included in the method according to exemplary embodiments of this application, and are not intended to be limiting. It is readily understood that the processes shown in the above figures do not indicate or limit the temporal order of these processes. Additionally, it is readily understood that these processes may be executed synchronously or asynchronously, for example, in multiple modules.

[0056] It should be noted that although several modules or units for the device used to perform actions have been mentioned in the detailed description above, this division is not mandatory. In fact, according to embodiments of this disclosure, the features and functions of two or more modules or units described above can be embodied in one module or unit. Conversely, the features and functions of one module or unit described above can be further divided and embodied by multiple modules or units.

[0057] While specific embodiments of the invention have been described in detail by way of example, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the invention. Those skilled in the art should also understand that various modifications can be made to the embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A navigational lighting control system, characterized in that, The system includes: multi-core optical fiber cable, electrical cable and k isolation transformer boxes; The k isolation transformer boxes are connected in sequence. Each isolation transformer box group includes m isolation transformer boxes. Each isolation transformer box group includes: one first-type isolation transformer box, m-2 second-type isolation transformer boxes and one third-type isolation transformer box connected in sequence. The first type of isolation transformer box is equipped with an optical cable splice box, a 1:2 unequal beam divider, a single lamp monitoring device and an isolation transformer; The second type of isolation transformer box is equipped with a 1:2 unequal beam divider, a single-lamp monitoring device and an isolation transformer; The third type of isolation transformer is equipped with a single-lamp monitoring device and an isolation transformer. The cable is connected to the isolation transformer in each isolation transformer box, and the optical cable splice box in the first type of isolation transformer box is connected to the optical cable splice box in the first type of isolation transformer box in the adjacent isolation transformer group and the multi-core optical cable. Within the same isolation transformer box, the input end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to the optical cable splice box in the first type of isolation transformer box; one output end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to one end of the single-lamp monitoring device in the first type of isolation transformer box; the other output end of the 1:2 unequal beam splitter in the first type of isolation transformer box is connected to the input end of the 1:2 unequal beam splitter in the next second type of isolation transformer box in the first type of isolation transformer box; and the other end of the single-lamp monitoring device in the first type of isolation transformer box is connected to the isolation transformer in the first type of isolation transformer box. Within the same isolation transformer box, the input terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one output terminal of the 1:2 unequal ratio transformer in the preceding first type of isolation transformer box or the second type of isolation transformer box. One output terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one end of the single-lamp monitoring device in the second type of isolation transformer. The other output terminal of the 1:2 unequal ratio beam divider in the second type of isolation transformer box is connected to one end of the 1:2 unequal ratio beam divider in the following second type of isolation transformer box or the single-lamp monitoring device in the third type of isolation transformer box. The other end of the single-lamp monitoring device in the second type of isolation transformer box is connected to the isolation transformer in the second type of isolation transformer box. Within the same isolation transformer box, one end of the single-lamp monitoring device in the third type of isolation transformer box is connected to the output end of the 1:2 unequal beam splitter in the preceding second type of isolation transformer box, and the other end of the single-lamp monitoring device in the third type of isolation transformer box is connected to the isolation transformer in the third type of isolation transformer box; the beam splitting ratio of each 1:2 unequal beam splitter is obtained through the following steps: S100. Obtain the isolation transformer box identifier list G = (G1, G2, ..., G...) for any isolation transformer box group. i , ...G m ), i=1,2,...,m; m is the number of isolation transformer boxes in the isolation transformer box group, G i The identifier for the i-th isolation transformer box sequentially set in the isolation transformer box group; S200. According to G, obtain the list of 1:2 unequal ratio beam splitter identifiers B = (B1, B2, ..., B...). i , ..., B m-1 ); where B i For G i The corresponding 1:2 unequal beam divider marking in the isolation transformer box; S300. Based on B, obtain the spectroscopic value list D = (D1, D2, ..., D...). i , ..., D m-1 ); where D i For B i The corresponding spectral splitting value of a 1:2 unequal beam splitter, D i The following conditions must be met: D i =1 / ((m+1)-i); S400. Based on D, obtain the list of spectrophotometric ratios corresponding to B: C = (C1, C2, ..., C...). i , ..., C m-1 ); where C i For B i For a 1:2 unequal beam splitter, the splitting ratio C1 meets the following condition: And C i Meets the following conditions: .

2. The system according to claim 1, characterized in that, The number of isolation transformer boxes, k, is obtained through the following steps: S101. Obtain the preset number n of single-lamp monitoring devices; S102. When n is greater than or equal to the preset threshold number of single-lamp monitoring devices n0, execute S103; otherwise, execute S104. S103. Based on n, determine the number k of the isolation transformer groups; where k satisfies the following condition: k1 is the first preset quantity threshold. It is the floor function; S104. Based on n, determine the number k of the isolation transformer groups; where k satisfies the following condition: k2 is the second preset quantity threshold and k2=2*k1.

3. The system according to claim 2, characterized in that, The value of k1 ranges from 3 to 5.

4. The system according to claim 3, characterized in that, k1=5。 5. The system according to claim 1, characterized in that, The number of optical fibers in the multi-core optical cable is the same as the number of isolation transformer boxes.

6. The system according to claim 1, characterized in that, The number of optical fibers in the multi-core optical cable is twice the number of isolation transformer boxes; two optical fibers are extracted from each isolation transformer box, one of which is used to conduct light to the single-lamp monitoring device corresponding to the isolation transformer box, and the other optical fiber is used as a spare optical fiber.

7. The system according to claim 2, characterized in that, n0=200。

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