Auxiliary positioning system for underground passage

Abstract

The utility model discloses an auxiliary positioning system used for an underground passage, the system comprises first terminals, second terminals, third terminals and a platform server, the first terminals are arranged at all entrances and exits of the underground passage, the second terminals are arranged at intervals along the underground passage, and the third terminals are arranged at intervals along the platform server. The first terminal, the second terminal and the third terminal all comprise UWB chips, the first terminal is in signal connection with the platform server through a Wi-Fi chip, the third terminal is in signal connection with a mobile terminal through a Bluetooth chip, the mobile terminal is in signal connection with the platform server, and the platform server is in signal connection with the second terminal. And the mobile terminal carries out vibration and voice prompt based on the third terminal data.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to an auxiliary positioning system for an underground passage. Background Art

[0002] Visually impaired people often encounter situations where they are unclear about how to get to or cannot find the entrance or exit of subway pedestrian passages when traveling in underground passages such as subway pedestrian passages. Although there are third-party map navigation systems now, there are certain deviations in mobile phone GPS positioning, and the underground passages affect the signal. This can easily cause visually impaired people to feel lost in subway pedestrian passages and other underground passages due to inaccurate positioning or long time synchronization caused by the GPS navigation system's own errors. This problem has been plaguing the visually impaired for many years. Utility Model Content

[0003] In view of the above-mentioned prior art, the utility model provides an auxiliary positioning system for an underground passage to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the technical solution of the embodiment of the utility model is implemented as follows: an auxiliary positioning system for an underground passage, the system includes a first terminal, a second terminal, a third terminal and a platform server, the first terminal is arranged at each entrance and exit of the underground passage, the second terminal is arranged at intervals along the underground passage, the first terminal, the second terminal and the third terminal all contain UWB chips, the first terminal is connected to the platform server signal through a Wi-Fi chip, the third terminal is connected to the mobile terminal signal through a Bluetooth chip, the mobile terminal is connected to the platform server signal, and the mobile terminal vibrates and gives voice prompts based on the data of the third terminal.

[0005] Optionally, the first terminal further includes a first GPS chip, and the first GPS chip is signal-connected to the Wi-Fi chip.

[0006] Optionally, the third terminal further includes a second GPS chip, and the second GPS chip is signal-connected to the Bluetooth chip.

[0007] Optionally, the first GPS chip and the second GPS chip are N10 chips.

[0008] Optionally, the UWB chip is a DW1000 chip.

[0009] Optionally, the Wi-Fi chip is an ESP8266 chip.

[0010] Optionally, the third terminal has a shell, a power module and a voice recognizer are provided inside the shell, a switch is provided outside the shell, the switch is electrically connected to the power module, and the power module supplies power to the voice recognizer, Bluetooth chip, and UWB chip.

[0011] The beneficial effects of the utility model are as follows: the auxiliary positioning system for underground passages provided by the application can, when a visually impaired person moves, use the UWB chip to enable the third terminal to obtain the location data of the second terminal, and the third terminal uploads the location data of the second terminal and the third terminal to the mobile terminal through the Bluetooth chip, and the mobile terminal further uploads the location data to the platform server, which further analyzes the location data and inputs navigation prompts to the mobile terminal, and the mobile terminal vibrates and gives voice prompts based on the navigation prompts.

[0012] When the visually impaired person arrives at the destination address, under the action of the UWB chip, the third terminal can obtain the location data of the first terminal and the second terminal, and the third terminal uploads the location data of the first terminal, the second terminal and the third terminal to the mobile terminal through the Bluetooth chip, and the mobile terminal further uploads the location data to the platform server, which continues to parse and input the destination prompt to the mobile terminal, and the mobile terminal vibrates and gives voice prompts based on the destination prompt. In summary, the embodiment of the utility model can help the visually impaired person to accurately find the location and accurately locate the mobile terminal through the use of UWB chips in the first terminal, the second terminal and the third terminal, thereby solving the problem of deviation in GPS positioning when the mobile terminal is in an underground passage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural block diagram of an auxiliary positioning system for an underground passage in an embodiment of the present application;

[0014] Figure 2 This is a structural block diagram of the first terminal in an embodiment of the present application;

[0015] Figure 3 This is a structural block diagram of the second terminal in an embodiment of the present application;

[0016] Figure 4 This is a structural block diagram of the third terminal in the embodiment of the present application;

[0017] Description of Figure Numbers:

[0018] 1 first terminal, 2 second terminal, 3 third terminal, 4 mobile terminal, 5 platform server, 6 Bluetooth chip, 7 Wi-Fi chip, 8 UWB chip, 9 first GPS chip, 10 second GPS chip. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further elaborated in detail below in conjunction with the drawings and specific embodiments of the specification. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the utility model. The terms used herein in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. In the following description, the expression "some embodiments" is involved, which describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments, and can be combined with each other without conflict.

[0020] It should also be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "inside", "outside", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0021] Please refer to the attached Figure 1 The present application provides an auxiliary positioning system for an underground passage, the system comprising a first terminal 1, a second terminal 2, a third terminal 3 and a platform server 5, the first terminal 1 being arranged at each entrance and exit of the underground passage, the second terminal 2 being arranged at intervals along the underground passage, the first terminal 1, the second terminal 2 and the third terminal 3 all comprising a UWB chip 8, the first terminal 1 being connected to the platform server 5 signal via a Wi-Fi chip 7, the third terminal 3 being connected to the mobile terminal 4 signal via a Bluetooth chip 6, the mobile terminal 4 being connected to the platform server 5 signal, and the mobile terminal 4 performing vibration and voice prompting based on the data of the third terminal 3.

[0022] The utility model discloses an auxiliary positioning system for an underground passage, in which a first terminal 1 is arranged at the entrance and exit of the underground passage, a plurality of second terminals 2 are arranged at intervals along the underground passage, and a third terminal 3 is carried by a visually impaired person. When in use, the third terminal 3 is matched and connected with a mobile terminal 4, such as a mobile phone, through a Bluetooth chip 6. The visually impaired person inputs a destination point to the third terminal 3 in a voice manner, and the third terminal 3 uploads the destination point to a platform server 5 through the mobile terminal 4.

[0023] When the visually impaired person moves, under the action of the UWB chip 8, the third terminal 3 can obtain the location data of the second terminal 2, and the third terminal 3 uploads the location data of the second terminal 2 and the third terminal 3 to the mobile terminal 4 through the Bluetooth chip 6, and the mobile terminal 4 further uploads the location data to the platform server 5, and the platform server 5 further analyzes and inputs the navigation prompt to the mobile terminal 4, and the mobile terminal 4 vibrates and gives voice prompts based on the navigation prompt;

[0024] When the visually impaired person arrives at the destination address, under the action of the UWB chip 8, the third terminal 3 can obtain the location data of the first terminal 1 and the second terminal 2, and the third terminal 3 uploads the location data of the first terminal 1, the second terminal 2, and the third terminal 3 to the mobile terminal 4 through the Bluetooth chip 6, and the mobile terminal 4 further uploads the location data to the platform server 5, which continues to parse and input the destination prompt to the mobile terminal 4, and the mobile terminal 4 vibrates and gives voice prompts based on the destination prompt. In summary, the embodiment of the utility model can help the visually impaired person to accurately find the location and accurately locate the mobile terminal 4 through the use of the UWB chip 8 in the first terminal 1, the second terminal 2, and the third terminal 3, thereby solving the problem of deviation in GPS positioning of the mobile terminal 4 in the underground passage.

[0025] It should be noted that the process of data processing and UWB positioning performed by the platform server 5 is common knowledge to those skilled in the art, and those skilled in the art can implement it according to the existing relevant documents disclosed, and it does not involve improvements in the method steps.

[0026] Specifically, the first terminal 1 also includes a first GPS chip 9, which is signal-connected to the Wi-Fi chip 7. The first GPS chip 9 is used to obtain the location data of the destination entrance and exit, and the location data of the destination entrance and exit is uploaded to the platform server 5 through the Wi-Fi chip 7.

[0027] Specifically, the third terminal 3 also includes a second GPS chip 10, which is signal-connected to the Bluetooth chip 6. The first GPS chip 9 is used for location data of visually impaired persons, and the location data of visually impaired persons is uploaded to the mobile terminal 4 via the Bluetooth chip 6.

[0028] Specifically, the first GPS chip 9 and the second GPS chip 10 are N10 chips, which are small-package, high-performance, stable and reliable GPS positioning modules, developed based on the MTK high-sensitivity navigation system and capable of independent SMT GPS modules.

[0029] Specifically, the UWB chip 8 is a DW1000 chip, which complies with the IEEE 802.15.4-2011 ultra-wideband standard and has a maximum transmission distance of 450 meters. The chip has low power consumption and can perform bidirectional ranging and positioning. It can be used as a supplement to the current indoor positioning (some say underground positioning is also possible) technologies RFID and Wi F i.

[0030] Specifically, the Wi-Fi chip 7 is an ESP8266 chip. The ESP8266EX has a built-in ultra-low power consumption Tensilica L106 32-bit RISC processor, a CPU clock speed of up to 160MHz, and supports a real-time operating system (RTOS) and a Wi-Fi protocol stack.

[0031] Specifically, the third terminal 3 has a shell, a power module and a voice recognizer are arranged inside the shell, a switch is arranged outside the shell, the switch is electrically connected to the power module, and the power module supplies power to the voice recognizer, Bluetooth chip 6, and UWB chip 8. When in use, the third terminal 3 is carried by a visually impaired person. When the switch is turned on, the power module automatically supplies power to the voice recognizer, Bluetooth chip 6, and UWB chip 8.

[0032] It should be noted that the various types of chips, power modules, switches and voice recognizers used in the present invention are all existing technology products. Technical personnel in this field select, install and complete the circuit debugging work according to the needs of use to ensure that all electrical appliances can work normally. The components are all universal standard parts or components known to technical personnel in this field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. The applicant does not make specific restrictions here.

[0033] Furthermore, the first terminal 1, the second terminal 2, and the third terminal 3 in the present application also include control elements such as controllers, but the control elements are selected, installed, and the circuit debugging is completed by technical personnel in this field according to the needs of use to ensure that each component can work normally. The other components of the first terminal 1, the second terminal 2, and the third terminal 3 are all universal standard parts or components known to technical personnel in this field. Therefore, the other structures and principles of the first terminal 1, the second terminal 2, and the third terminal 3 can be known to technical personnel through technical manuals or through conventional experimental methods, and the applicant does not make specific restrictions here.

[0034] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. The protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An auxiliary positioning system for an underground passage, characterized in that: The system includes a first terminal, a second terminal, a third terminal and a platform server. The first terminal is arranged at each entrance and exit of the underground passage, and the second terminal is arranged at intervals along the underground passage. The first terminal, the second terminal and the third terminal all contain UWB chips. The first terminal is connected to the platform server signal via a Wi-Fi chip, the third terminal is connected to the mobile terminal signal via a Bluetooth chip, the mobile terminal is connected to the platform server signal, and the mobile terminal vibrates and gives voice prompts based on the data of the third terminal.

2. The auxiliary positioning system for an underground passage according to claim 1, characterized in that: The first terminal also includes a first GPS chip, and the first GPS chip is signal-connected to the Wi-Fi chip.

3. The auxiliary positioning system for an underground passage according to claim 2, characterized in that: The third terminal also includes a second GPS chip, and the second GPS chip is connected to the Bluetooth chip signal.

4. The auxiliary positioning system for an underground passage according to claim 3, characterized in that: The first GPS chip and the second GPS chip are N10 chips.

5. The auxiliary positioning system for an underground passage according to claim 1, characterized in that: The UWB chip is a DW1000 chip.

6. The auxiliary positioning system for an underground passage according to claim 1, characterized in that: The Wi-Fi chip is an ESP8266 chip.

7. The auxiliary positioning system for an underground passage according to claim 1, characterized in that: The third terminal has a shell, a power module and a voice recognizer are arranged inside the shell, a switch is arranged outside the shell, the switch is electrically connected to the power module, and the power module supplies power to the voice recognizer, the Bluetooth chip, and the UWB chip.

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