CN218041786U - Automatic navigation system based on Bluetooth AOA positioning technology - Google Patents

Abstract

The utility model relates to an automatic navigation system based on bluetooth AOA positioning technology, including cloud server, AOA positioning base station and automatic navigation terminal, the cloud server includes data receiving module, processing module and the sending module that connects gradually; AOA fixes a position basic station and includes mutually independent upload module and download module, automatic navigation terminal includes bluetooth module, location data receiving module, navigation information module and voice module, simple to operate, and the density increase of audio video navigation point simultaneously to can adjust at will according to the actual place circumstances when the installation, also can guarantee to fix a position accurate to sub-meter level coordinate position.

Description

Automatic navigation system based on Bluetooth AOA positioning technology

Technical Field

The utility model relates to an automatic guide to visitors field, concretely relates to automatic guide to visitors system based on bluetooth AOA location technology.

Background

In the field of automatic navigation, each audio and video navigation point needs to be provided with a transmitting card, and certain audio and video navigation points are inconvenient to hide and install the transmitting cards; the wireless signal quality of an ibeacon transmitting card or an RFID transmitting card of an audio/video navigation point is greatly influenced by the environment, and the RSSI (signal strength) value is greatly influenced by the shielding and signal reflection of people or buildings; the precision is poor, and the position error of automatic navigation is larger due to the instability of the signal intensity value; the audio and video navigation points cannot be too dense, and the audio and video explanation broadcast by the automatic navigation system is disordered due to too small intervals, so that a practical and feasible automatic navigation system is urgently needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an automatic guide to visitors system based on bluetooth AOA location technology can adjust at will according to the site environment condition in the actual installation is used through bluetooth AOA location technology, has guaranteed simultaneously that the location is accurate to sub-meter level coordinate position.

In order to achieve the above purpose, the utility model provides an automatic navigation system based on Bluetooth AOA positioning technology, which comprises a cloud server, an AOA positioning base station and an automatic navigation terminal,

the cloud server comprises a data receiving module, a processing module and a sending module which are sequentially connected;

the AOA positioning base station comprises an uploading module and a downloading module which are independent of each other, wherein the output end of the uploading module is connected with the input end of a data receiving module in a cloud server, and the input end of the downloading module is connected with the output end of a sending module in the cloud server;

the automatic navigation terminal comprises a Bluetooth module, a positioning data receiving module, a navigation information module and a voice module, wherein the output end of the Bluetooth transmitting module is connected with the input end of an uploading module in an AOA positioning base station, the input end of the positioning data receiving module is respectively connected with the output end of a downloading module in the AOA positioning base station and the output end of a transmitting module in a cloud server, the output end of the positioning data receiving module is connected with the input end of the navigation information module, and the output end of the navigation information module is connected with the input end of the voice module.

Preferably, the bluetooth module in the automatic navigation terminal is an AOA bluetooth positioning transmitter.

Preferably, the data receiving module includes a data unit and a network unit, an output end of the data unit is connected with an input end of the navigation information module through the AOA positioning base station, and an output end of the network unit is connected with an input end of the navigation information module.

Further, the data unit is a data transmission receiver, and the network unit is a network data receiver.

Compared with the closest prior art, the utility model discloses beneficial effect who has:

can suitably adjust according to the actual installation environment condition, the installation is simple and efficient to data transmission's process is afraid of sheltering from, and positional information no longer relies on signal strength value to judge, and the density of audio and video guide point increases simultaneously, and can guarantee that positioning accuracy is at the sub-meter level, and the distance interval of audio and video guide point reduces.

Drawings

Fig. 1 is a schematic diagram of an automatic navigation system based on bluetooth AOA positioning technology provided by the present invention;

fig. 2 is a circuit connection diagram of an AOA positioning base station of an automatic navigation system based on bluetooth AOA positioning technology provided by the present invention;

fig. 3 is a circuit connection diagram of an automatic navigation terminal of an automatic navigation system based on bluetooth AOA positioning technology provided by the present invention;

fig. 4 is the utility model provides a pair of automatic navigation system practical application schematic diagram based on bluetooth AOA location technology.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

the utility model provides an automatic navigation system based on Bluetooth AOA positioning technology, as shown in figure 1, comprising a cloud server, an AOA positioning base station and an automatic navigation terminal, wherein the cloud server comprises a data receiving module, a processing module and a sending module which are connected in sequence; the AOA positioning base station comprises an uploading module and a downloading module which are mutually independent, the output end of the uploading module is connected with the input end of a data receiving module in a cloud server, and the input end of the downloading module is connected with the output end of a sending module in the cloud server; the automatic navigation terminal comprises a Bluetooth module, a positioning data receiving module, a navigation information module and a voice module, wherein the Bluetooth module is an AOA Bluetooth positioning transmitter in the automatic navigation terminal, the data receiving module comprises a data unit and a network unit, the output end of the data unit is connected with the input end of the navigation information module through an AOA positioning base station, the output end of the network unit is connected with the input end of the navigation information module, the data unit is a data transmission receiver, the network unit is a network data receiver, the output end of the Bluetooth transmitting module is connected with the input end of an uploading module in the AOA positioning base station, the input end of the positioning data receiving module is respectively connected with the output end of a downloading module in the AOA positioning base station and the output end of the transmitting module in a cloud server, the output end of the positioning data receiving module is connected with the input end of the navigation information module, and the output end of the navigation information module is connected with the input end of the voice module.

The working process of this embodiment is that bluetooth module sends the signal to data receiving module in the high in the clouds server through uploading the module in the AOA location basic station in the automatic navigation terminal, after high in the clouds server received the signal, obtain positional information through processing module to signal processing, send the instruction by sending module, when AOA location basic station can carry out data transmission, by the module transmission instruction of downloading of AOA location basic station to the location data receiving element of automatic navigation terminal, when AOA location basic station can't carry out data transmission, the data receiving element of high in the clouds server direct send instruction to automatic navigation terminal, automatic navigation terminal carries out the position contrast based on the navigation information module after receiving the instruction and obtains corresponding navigation information, utilize voice module to report navigation information.

In this embodiment, as shown in fig. 2, a power supply module in the AOA positioning base station is responsible for supplying power to the bluetooth module, the AOA antenna array, the data transmission module, and the network module; six paths of GPIOs in an nRF52833 chip in the Bluetooth module are responsible for controlling the switch of the antenna array and switching the antenna receiving in the antenna array; the Bluetooth module receives a specific Bluetooth signal sent by the automatic navigation terminal through the antenna array and acquires IQ data information; the nRF52833 chip in the Bluetooth module sends the acquired IQ data information to the network module through an SPI (serial peripheral interface), and the network module transmits the acquired IQ data information to the cloud server through a network cable (RJ 45 interface); meanwhile, the cloud server can transmit the calculated position information to an nRF52833 chip in the Bluetooth module through the channel network module; the nRF52833 chip in the Bluetooth module sends the position information to the data transmission module through a USART interface, and the data transmission module sends the position information to the automatic navigation terminal in a wireless transmission mode.

In this embodiment, as shown in fig. 3, a bluetooth master control module in an automatic navigation terminal sends a specific bluetooth signal in real time (100 ms interval); the AOA positioning base station receives the Bluetooth signal, acquires IQ data, and sends cloud end and cloud end calculation to obtain position information; the positioning data receiving module receives 1 and positioning information through the data transmission module in two modes: the cloud sends the positioning information to the AOA base station, and the base station sends the positioning information to the automatic navigation terminal through data transmission; 2. receiving positioning information through a WIFI module: the cloud end directly sends the positioning information to the WIFI module through the Ethernet; after receiving the position information, the Bluetooth master control module sends the position information to the navigation information storage module through the SPI interface, and after comparing the navigation point position stored in the navigation information storage module with the positioning information, whether the audio and video content is broadcasted and which section of the audio and video content is broadcasted is determined; and the navigation information storage module sends a broadcasting instruction to the voice module through the I2C interface to control the broadcasting of a certain section of audio and video content.

In this embodiment, as shown in fig. 4, a data acquisition module in an AOA positioning base station receives a specific bluetooth signal of a bluetooth module in an automatic navigation terminal, collects IQ data, and sends the IQ data to a cloud server through an ethernet, and the cloud server performs data processing and calculation to obtain position information of the automatic navigation terminal; the cloud server transmits the position information to the AOA positioning base station through the Ethernet, and the AOA positioning base station transmits the position information to the automatic navigation terminal through the digital transmission module (or directly transmits the position information to the automatic navigation terminal through the Ethernet by the cloud service); and the automatic navigation terminal compares the received position information with a position information database of the audio/video navigation point, judges whether audio/video explanation content is broadcasted or not, and broadcasts the corresponding audio/video explanation content through a voice module.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.

Claims (4)

1. An automatic navigation system based on Bluetooth AOA positioning technology is characterized by comprising a cloud server, an AOA positioning base station and an automatic navigation terminal,

the cloud server comprises a data receiving module, a processing module and a sending module which are connected in sequence;

the AOA positioning base station comprises an uploading module and a downloading module which are independent of each other, wherein the output end of the uploading module is connected with the input end of a data receiving module in a cloud server, and the input end of the downloading module is connected with the output end of a sending module in the cloud server;

the automatic navigation terminal comprises a Bluetooth module, a positioning data receiving module, a navigation information module and a voice module, wherein the output end of the Bluetooth module is connected with the input end of an uploading module in an AOA positioning base station, the input end of the positioning data receiving module is respectively connected with the output end of a downloading module in the AOA positioning base station and the output end of a sending module in a cloud server, the output end of the positioning data receiving module is connected with the input end of the navigation information module, and the output end of the navigation information module is connected with the input end of the voice module.

2. The automatic navigation system based on bluetooth AOA positioning technology as claimed in claim 1, wherein the bluetooth module in the automatic navigation terminal is an AOA bluetooth positioning transmitter.

3. The system of claim 1, wherein the data receiving module comprises a data unit and a network unit, an output of the data unit is connected to an input of the navigation information module through the AOA positioning base station, and an output of the network unit is connected to an input of the navigation information module.

4. An automatic navigation system based on bluetooth AOA positioning technology as claimed in claim 3, characterized in that said data unit is a data transmission receiver and said network unit is a network data receiver.

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