Indoor and outdoor high-precision positioning equipment for airport

Abstract

The utility model relates to the technical field of positioning systems, in particular to an airport indoor and outdoor high-precision positioning device, which comprises an outdoor Beidou differential base station, an indoor pseudo satellite base station, a high-precision Beidou positioning terminal and an installation assembly, and the installation assembly is connected with the indoor pseudo-satellite base station, so that seamless connection with an outdoor satellite navigation system can be realized, and indoor and outdoor integrated high-precision positioning navigation is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning systems, and in particular to a high-precision positioning device for indoor and outdoor airports. Background Art

[0002] Currently, the indoor and outdoor positioning equipment and systems at airports mainly use Beidou differential positioning. However, airports that have already put Beidou differential positioning into use are fragmented in various systems or positioning scenarios. When conducting cross-departmental or cross-regional operations, the sharing of positioning information is poor, leaving room for improvement in scheduling or emergency handling.

[0003] However, using the above method, most of the current solutions are Beidou + traditional indoor positioning technology for integrated collaborative positioning indoors and outdoors. However, due to the different signal systems, it is often necessary to merge or switch different positioning signal sources during collaborative positioning, which will increase the receiver's solution complexity and cost. Utility Model Content

[0004] The utility model aims to provide an indoor and outdoor high-precision positioning device for an airport, which can seamlessly connect to an outdoor satellite navigation system to achieve integrated indoor and outdoor high-precision positioning navigation.

[0005] To achieve the above-mentioned purpose, the utility model provides an indoor and outdoor high-precision positioning device for an airport, including an outdoor Beidou differential base station, an indoor pseudo-satellite base station, a high-precision Beidou positioning terminal and an installation component;

[0006] The high-precision Beidou positioning terminal is connected to the outdoor Beidou differential base station through wireless signals, and is connected to the indoor pseudo-satellite base station through wireless signals, and the installation component is connected to the indoor pseudo-satellite base station.

[0007] Among them, the high-precision Beidou positioning terminal includes an outdoor Beidou satellite receiving module, an indoor pseudo-satellite signal receiving module and a display module. The outdoor Beidou satellite receiving module is connected to the outdoor Beidou differential base station via wireless signals; the indoor pseudo-satellite signal receiving module is connected to the indoor pseudo-satellite base station via wireless signals; the display module is electrically connected to the outdoor Beidou satellite receiving module and the indoor pseudo-satellite signal receiving module.

[0008] Wherein, the installation assembly includes a fixed frame, a lifting frame, a connecting frame, an adjusting frame and a driving member, the fixed frame is installed on the corresponding wall; the lifting frame is slidably connected to the fixed frame and is located on one side of the fixed frame; the connecting frame is connected to the lifting frame fixing belt and is located on one side of the lifting frame; the adjusting frame is connected to the indoor pseudo-satellite base station and is slidably installed on one side of the connecting frame; the driving member is connected to the connecting frame.

[0009] Among them, the driving component includes a bidirectional screw, a driving motor and a lifting component. The bidirectional screw is threadedly connected to the adjusting frame and is rotatably installed on one side of the connecting frame; the output shaft of the driving motor is connected to the bidirectional screw, and the driving motor is fixedly installed on one side of the connecting frame.

[0010] Among them, the lifting component includes a lifting screw and a lifting motor, the lifting screw is threadedly connected to the lifting frame and rotatably installed on one side of the fixed frame; the output shaft of the lifting motor is connected to the lifting screw, and the lifting motor is fixedly installed on one side of the fixed frame.

[0011] The utility model discloses an indoor and outdoor high-precision positioning device for an airport. The indoor pseudo-satellite base station is adopted to ensure the consistency of indoor and outdoor positioning signals. Then, the outdoor Beidou satellite receiving module and the indoor pseudo-satellite signal receiving module are used to fuse the positioning signals sent by the indoor and outdoor base stations. Then, the high-precision Beidou positioning terminal can be used to complete diversified signal feedback. In this way, the underlying technical architecture logic of the Beidou navigation system is adopted to break through a series of key technologies such as high-precision time synchronization, wide-area coverage shaped antenna, anti-multipath positioning algorithm and indoor and outdoor seamless switching. The Beidou system provides indoor high-precision positioning and navigation services, and the indoor Beidou pseudo-satellite simulates the transmission signal of the Beidou navigation satellite, allowing all satellite navigation terminals (mobile phones, computers, vehicle-mounted terminals, etc.) to achieve positioning and navigation in navigation satellite signal blind spots (indoors, underground, in tunnels, under elevated roads, etc.), and can seamlessly connect to the outdoor satellite navigation system. At the same time, when the user terminal is outdoors, it can use the Beidou differential system for positioning normally. In the indoor environment, the positioning terminal automatically receives the positioning signal sent by the Beidou pseudo-satellite base station for positioning. When switching scenes, the positioning terminal receives the same system signal, and the positioning algorithm principle is consistent, realizing integrated indoor and outdoor collaborative positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a system flow chart of the indoor and outdoor high-precision positioning equipment for airports according to the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of a signal receiving system of the first embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the installation assembly of the second embodiment of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the unfolded adjustment frame of the second embodiment of the utility model.

[0017] In the figure: 1-outdoor Beidou differential base station, 2-indoor pseudo-satellite base station, 3-high-precision Beidou positioning terminal, 31-outdoor Beidou satellite receiving module, 32-indoor pseudo-satellite signal receiving module, 33-display module, 51-fixed frame, 52-lifting frame, 53-connecting frame, 55-adjusting frame, 55-bidirectional screw, 56-driving motor, 57-lifting screw, 58-lifting motor. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1 and Figure 2 ,in Figure 1 This is the system flow chart of the indoor and outdoor high-precision positioning equipment of the airport. Figure 2 It is a schematic diagram of the structure of the signal receiving system 3.

[0021] The utility model provides an indoor and outdoor high-precision positioning device for an airport: it includes an outdoor Beidou differential base station 1, an indoor pseudo-satellite base station 2, a high-precision Beidou positioning terminal 3 and an installation component, wherein the high-precision Beidou positioning terminal 3 includes an outdoor Beidou satellite receiving module 31, an indoor pseudo-satellite signal receiving module 32 and a display module 33. The above-mentioned scheme solves the problem that most current solutions are Beidou + traditional indoor positioning technology for integrated indoor and outdoor collaborative positioning, but due to different signal systems, it is often necessary to merge or switch different positioning signal sources when performing collaborative positioning, which will increase the complexity and cost of the receiver's solution.

[0022] In this embodiment, the high-precision Beidou positioning terminal 3 is connected to the outdoor Beidou differential base station 1 through a wireless signal, and is connected to the indoor pseudo-satellite base station 2 through a wireless signal, the installation component is connected to the indoor pseudo-satellite base station, the installation component is connected to the indoor pseudo-satellite base station 2, the outdoor Beidou satellite receiving module 31 is connected to the outdoor Beidou differential base station 1 and the high-precision Beidou positioning terminal 3 through a wireless signal; the indoor pseudo-satellite signal receiving module 32 is connected to the indoor pseudo-satellite base station 2 and the high-precision Beidou positioning terminal 3 through a wireless signal, and the display module 33 is electrically connected to the outdoor Beidou satellite receiving module 31 and the indoor pseudo-satellite signal receiving module 32. The data received, analyzed and processed by the outdoor Beidou satellite receiving module 31 and the indoor pseudo-satellite signal receiving module 32 can be directly displayed through the display module 33 for user observation, and the outdoor Beidou satellite receiving module 31 and the indoor pseudo-satellite signal receiving module 32 The main function is to receive and process the signals sent by the outdoor Beidou differential base station 1 and the indoor pseudo-satellite base station 2. The outdoor Beidou differential base station 1 and the indoor pseudo-satellite base station 2 serve as the sending ends of the positioning signal, thereby ensuring that the high-precision Beidou positioning terminal 3 can receive the signals sent indoors and outdoors for positioning when outdoors. The outdoor Beidou differential base station 1 can provide an error correction function. The indoor pseudo-satellite base station 2 is installed indoors through the installation component. The indoor pseudo-satellite base station 2 uses a Beidou B1-like signal as a pseudo-satellite signal. The indoor pseudo-satellite base station 2 can provide a radio positioning function in a local range through a pseudo-satellite navigation signal in an indoor environment where the GNSS signal is limited. In this way, indoor coverage of pseudo-satellite positioning signals can be provided by multiple Beidou pseudo-satellite signal base stations deployed in the indoor environment. The number of installations of the indoor pseudo-satellite base station 2 can be selected according to actual usage and the size of the installation area to ensure that the corresponding indoor area can be fully covered.

[0023] When the indoor and outdoor high-precision positioning equipment of an airport of the present embodiment is used, the indoor pseudo-satellite base station 2 is adopted to ensure the consistency of the indoor and outdoor positioning signals, and then the outdoor Beidou satellite receiving module 31 and the indoor pseudo-satellite signal receiving module 32 are used to fuse the positioning signals sent by the indoor and outdoor base stations, and then the diversified signal feedback can be completed through the high-precision Beidou positioning terminal 3. In this way, a series of key technologies such as high-precision time synchronization, wide-area coverage shaping antenna, anti-multipath positioning algorithm and indoor and outdoor seamless switching can be broken through by adopting the underlying technical architecture logic of the Beidou navigation system. The indoor Beidou system provides indoor high-precision positioning and navigation services, and the indoor Beidou pseudo-satellite simulates the transmission signal of the Beidou navigation satellite, allowing all satellite navigation terminals (mobile phones, computers, vehicle-mounted terminals, etc.) to achieve positioning and navigation in navigation satellite signal blind spots (indoors, underground, in tunnels, under elevated roads, etc.), and can seamlessly connect to the outdoor satellite navigation system. At the same time, when the user terminal is outdoors, it can use the Beidou differential system for positioning normally. In the indoor environment, the positioning terminal automatically receives the positioning signal sent by the Beidou pseudo-satellite base station for positioning. When switching scenes, the positioning terminal receives the same system signal, and the positioning algorithm principle is consistent, realizing integrated indoor and outdoor collaborative positioning.

[0024] Second embodiment:

[0025] See also Figure 3 and Figure 4 , Figure 3 is a schematic structural diagram of the installation assembly of the second embodiment, Figure 4 This is a schematic structural diagram of the unfolded adjustment frame 55 of the second embodiment. The installation assembly provided by the utility model includes a fixed frame 51, a lifting frame 52, a connecting frame 53, an adjustment frame 55 and a driving component. The driving component includes a bidirectional screw 55, a driving motor 56 and a lifting component. The lifting component includes a lifting screw 57 and a lifting motor 58.

[0026] The fixing frame 51 is installed on the corresponding wall; the lifting frame 52 is slidably connected to the fixing frame 51 and is located on one side of the fixing frame 51; the connecting frame 53 is connected to the fixing belt of the lifting frame 52 and is located on one side of the lifting frame 52; the adjusting frame 55 is connected to the indoor pseudo-satellite base station 12 and is slidably installed on one side of the connecting frame 53; the driving member is connected to the connecting frame 53, the fixing frame 51 is fixed under the wall to be installed, the lifting frame 52 is slidably installed on the fixing frame 51, and the connecting frame 53 is fixed on the lifting frame 52. At the bottom of the lowering frame 52, the adjusting frames 55 are symmetrically and slidably installed on both sides of the connecting frame 53, and the indoor pseudo-satellite base station 12 is fixedly installed on each of the adjusting frames 55. In this way, the user can adjust the installation position of the indoor pseudo-satellite base station 12 by adjusting the position of the adjusting frames 55 on both sides, and at the same time, the installation height of the indoor pseudo-satellite base station 12 can be adjusted by the position of the lifting frame 52 on the fixed frame 51, so that the user can adjust the installation height and position of the indoor pseudo-satellite base station 12 according to the corresponding signal coverage range.

[0027] Secondly, the bidirectional screw 55 is threadedly connected to the adjusting frame 55 and is rotatably mounted on one side of the connecting frame 53; the output shaft of the driving motor 56 is connected to the bidirectional screw 55, and the driving motor 56 is fixedly mounted on one side of the connecting frame 53; the lifting screw 57 is threadedly connected to the lifting frame 52 and is rotatably mounted on one side of the fixing frame 51; the output shaft of the lifting motor 58 is connected to the lifting screw 57, and the lifting motor 58 is fixedly mounted on one side of the fixing frame 51. The threads on the sides of the bidirectional screw 55 are opposite in rotation direction, and the adjusting frame 5 is symmetrically mounted on both sides of the bidirectional screw 55. 5, the adjusting frame 55 is provided with a threaded hole matching the bidirectional screw 55, so that when the bidirectional screw 55 is rotated, the adjusting frames 55 on both sides will be simultaneously expanded or brought together, so that it is convenient for users to adjust the positions of the adjusting frames 55 on both sides, the bidirectional screw 55 is fixed to the output shaft of the driving motor 56, the lifting screw 57 is matched with the threaded hole provided on the lifting frame 52, and the lifting screw 57 is fixed to the output shaft of the lifting motor 58, so that users can drive the lifting frame 52 to move on the fixed frame 51 through the lifting screw 57 and the lifting motor 58.

[0028] When using the high-precision indoor and outdoor positioning equipment of an airport according to this embodiment, the position of the adjustment frame 55 on both sides can be adjusted by the driving motor 56 and the bidirectional screw 55, and then the lifting motor 58 and the lifting screw 57 can be used to adjust the position of the lifting frame 52 on the fixed frame 51, so that the user can adjust the installation position and height of the indoor pseudo-satellite base station 12 according to actual conditions, thereby adjusting the signal coverage range and concentrated area according to actual usage, so that the indoor positioning signal can be transmitted more stably and widely, greatly enhancing the practicality of the entire device.

[0029] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An indoor and outdoor high-precision positioning device for an airport, characterized in that: Including outdoor Beidou differential base stations, indoor pseudo-satellite base stations, high-precision Beidou positioning terminals and installation components; The high-precision Beidou positioning terminal is connected to the outdoor Beidou differential base station through wireless signals, and is connected to the indoor pseudo-satellite base station through wireless signals, and the installation component is connected to the indoor pseudo-satellite base station.

2. The indoor and outdoor high-precision positioning equipment for airports as claimed in claim 1, characterized in that: The high-precision Beidou positioning terminal includes an outdoor Beidou satellite receiving module, an indoor pseudo-satellite signal receiving module and a display module. The outdoor Beidou satellite receiving module is connected to the outdoor Beidou differential base station via wireless signals; the indoor pseudo-satellite signal receiving module is connected to the indoor pseudo-satellite base station via wireless signals; the display module is electrically connected to the outdoor Beidou satellite receiving module and the indoor pseudo-satellite signal receiving module.

3. The indoor and outdoor high-precision positioning device for airports as claimed in claim 1, characterized in that: The installation assembly includes a fixed frame, a lifting frame, a connecting frame, an adjusting frame and a driving member. The fixed frame is installed on a corresponding wall; the lifting frame is slidably connected to the fixed frame and is located on one side of the fixed frame; the connecting frame is connected to the lifting frame fixing belt and is located on one side of the lifting frame; the adjusting frame is connected to the indoor pseudo-satellite base station and is slidably installed on one side of the connecting frame; the driving member is connected to the connecting frame.

4. The indoor and outdoor high-precision positioning device for an airport as claimed in claim 3, characterized in that: The driving component includes a bidirectional screw, a driving motor and a lifting component. The bidirectional screw is threadedly connected to the adjusting frame and is rotatably mounted on one side of the connecting frame. The output shaft of the driving motor is connected to the bidirectional screw, and the driving motor is fixedly mounted on one side of the connecting frame.

5. The indoor and outdoor high-precision positioning equipment for airports as claimed in claim 4, characterized in that: The lifting component includes a lifting screw and a lifting motor. The lifting screw is threadedly connected to the lifting frame and is rotatably mounted on one side of the fixed frame. The output shaft of the lifting motor is connected to the lifting screw, and the lifting motor is fixedly mounted on one side of the fixed frame.

Images