CN213365307U - High-precision positioning device based on UWB - Google Patents
High-precision positioning device based on UWB Download PDFInfo
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- CN213365307U CN213365307U CN202022829878.XU CN202022829878U CN213365307U CN 213365307 U CN213365307 U CN 213365307U CN 202022829878 U CN202022829878 U CN 202022829878U CN 213365307 U CN213365307 U CN 213365307U
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Abstract
The utility model discloses a high accuracy positioner based on UWB, be STM8L052C6T6 microcontroller U1 including the model, be connected with microcontroller U1, and the model is BU01, be used for gathering current position information's UWB orientation module, be connected with microcontroller U1, and the model is WH-BLE103, be used for transmitting the bluetooth communication module BLE of the positional information of location, and the DC supply circuit who is connected with microcontroller U1, UWB orientation module and bluetooth communication module BLE respectively. By the proposal, the utility model has the advantages of simple structure, energy saving, life cycle are long, have very high practical value and spreading value in container location technical field.
Description
Technical Field
The utility model belongs to the technical field of the container location technique and specifically relates to high accuracy positioner based on UWB.
Background
The container is a large container with certain strength, rigidity and specification for turnover. In the transportation field, the container is used for transferring goods, so that the goods can be directly loaded in a warehouse of a shipper and unloaded in a warehouse of a consignee, and the goods do not need to be taken out from the container for reloading when vehicles and ships are changed midway.
In a container handling terminal or transfer station, hundreds or more containers are stored, managed by an access management, and placed in a partitioned manner. The container needs to be registered and recorded in the processes of entering and transferring out the container. It can't realize the interior location of storehouse district, and its searching still needs artifical the inspection. In addition, in the container transportation process, the container cannot be accurately positioned.
Uwb (ultra wideband) is a carrier-free communication technology that uses non-sinusoidal narrow pulses on the nanosecond to microsecond scale to transmit data. It is called a revolutionary advance in the radio field, and is considered to become a mainstream technology of short-distance wireless communication in the future.
Therefore, there is an urgent need for a UWB-based high-precision positioning apparatus having a simple structure and low equipment investment cost.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a high accuracy positioner based on UWB, the utility model discloses a technical scheme as follows:
the high-precision positioning device based on the UWB comprises a microcontroller U1 with the model of STM8L052C6T6, a UWB positioning module connected with the microcontroller U1 and with the model of BU01 for acquiring current position information, a Bluetooth communication module BLE connected with the microcontroller U1 and with the model of WH-BLE103 for transmitting the position information of positioning, and a direct current supply circuit respectively connected with the microcontroller U1, the UWB positioning module and the Bluetooth communication module BLE; the RF pin of the Bluetooth communication module BLE is connected with a Bluetooth antenna E1.
Further, the direct current power supply circuit comprises a battery BT1, a capacitor C13 and a capacitor C14 which are connected between the positive electrode and the negative electrode of the battery BT1 in parallel, and a first power supply management module and a second power supply management module which are respectively connected with the positive electrode of the battery BT 1; the first power management module is connected with the UWB positioning module, and the second power management module is connected with the Bluetooth communication module BLE.
Furthermore, the first power management module comprises a Vin pin connected with the positive electrode of the battery BT1, an EN pin connected with the serial port of the microcontroller U1 and a first DC chip U2 of PowerCIC type, a resistor R7 with one end connected with the SET pin of the first DC chip U2 and the other end grounded, and a capacitor C11 and a capacitor C12 with one end connected with the Vout pin of the first DC chip U2 and the other end grounded after being connected in parallel.
Furthermore, the second power management module comprises a VIN pin connected with the positive electrode of the battery BT1, a SHDN pin connected with the serial port of the microcontroller U1, and a second dc chip U3 with model MCP1824T-3302E/OT, a capacitor Cap1 and a capacitor C16 which are connected in parallel, wherein one end of the capacitor Cap is connected with the VIN pin of the second dc chip U3, and the other end of the capacitor Cap is grounded, a resistor R8 connected between the VOUT pin of the second dc chip U3 and the PWRGD pin, and a capacitor C15 which is connected with the VOUT pin of the second dc chip U3 and the other end of the capacitor C15 is grounded.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model skillfully sets up the UWB positioning module of BU01, which integrates the antenna, the radio frequency circuit and the clock, can realize two-way ranging or TDOA positioning with the positioning precision of 10cm, and the data transmission rate reaches 6.8 Mbps;
(2) the utility model adopts the Bluetooth communication module BLE of WH-BLE103 to realize short-distance data transmission and ensure more smooth transmission of positioning information;
(3) the utility model discloses a set up first power management module and second power management module, and utilize microcontroller U1 to control the enabling end action of first direct current chip U2 and second direct current chip U3 to realize the power supply control of UWB positioning module and bluetooth communication module BLE, in order to save battery electric energy, prolong holistic duty cycle, reduce the energy consumption;
to sum up, the utility model has the advantages of simple structure, the energy saving consumes, life cycle is long, has very high practical value and spreading value in container location technical field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the microcontroller according to the present invention.
Fig. 2 is a schematic structural diagram of the UWB positioning module of the present invention.
Fig. 3 is a schematic structural diagram of the bluetooth communication module of the present invention.
Fig. 4 is a schematic structural diagram of a first power management module according to the present invention.
Fig. 5 is a schematic structural diagram of a second power management module according to the present invention.
Detailed Description
To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
As shown in fig. 1 to 5, the present embodiment provides a high-precision positioning device based on UWB, including a microcontroller U1 of model STM8L052C6T6, a UWB positioning module connected to microcontroller U1 and having model BU01 for acquiring current position information, a bluetooth communication module BLE connected to microcontroller U1 and having model WH-BLE103 for transmitting position information of positioning, and a dc supply circuit connected to microcontroller U1, UWB positioning module and bluetooth communication module BLE, respectively. In the present embodiment, the terms "first", "second", and the like are used only for distinguishing the similar components, and are not to be construed as limiting the scope of protection. In addition, the present embodiment is based on the structural improvement, and the software program of the chip is not improved, and the present embodiment can be implemented by using a conventional program segment, which is not described herein again.
In order to prolong the working period of the device, during the non-positioning communication period, the UWB positioning module and the BLE enter a sleep state, and the power supply to the UWB positioning module and the BLE is suspended. Then, the direct current power supply circuit comprises a battery BT1, a capacitor C13 and a capacitor C14 which are connected between the positive pole and the negative pole of the battery BT1 in parallel, and a first power supply management module and a second power supply management module which are respectively connected with the positive pole of the battery BT 1; the first power management module is connected with the UWB positioning module, and the second power management module is connected with the Bluetooth communication module BLE. The first power management module comprises a Vin pin connected with the positive electrode of the battery BT1, an EN pin connected with the serial port of the microcontroller U1 and a first DC chip U2 of a PowerCIC type, a resistor R7 with one end connected with the SET pin of the first DC chip U2 and the other end grounded, a capacitor C11 and a capacitor C12 which are connected in parallel, with one end connected with the Vout pin of the first DC chip U2 and the other end grounded. In addition, the second power management module comprises a VIN pin connected with the positive electrode of the battery BT1, an SHDN pin connected with the serial port of the microcontroller U1 and a second direct current chip U3 with the model number of MCP1824T-3302E/OT, a capacitor Cap1 and a capacitor C16 which are connected in parallel, wherein one end of the capacitor Cap1 and the other end of the capacitor C16 are connected with the VIN pin of the second direct current chip U3 and the other end of the capacitor Cap is connected with the ground, a resistor R8 connected between the VOUT pin of the second direct current chip U3 and the PWRGD pin, and a capacitor C15, one end of which is connected with the VOUT pin of the second direct current chip U3 and the. In the present embodiment, the microcontroller U1 issues an enable control signal to complete the switching between the operation and the stop operation of the first dc chip U2 and the second dc chip U3.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.
Claims (4)
1. The high-precision positioning device based on the UWB is characterized by comprising a microcontroller U1 with the model of STM8L052C6T6, a UWB positioning module connected with the microcontroller U1 with the model of BU01 and used for collecting current position information, a Bluetooth communication module BLE connected with the microcontroller U1 with the model of WH-BLE103 and used for transmitting the position information of positioning, and a direct current supply circuit respectively connected with the microcontroller U1, the UWB positioning module and the Bluetooth communication module BLE; the RF pin of the Bluetooth communication module BLE is connected with a Bluetooth antenna E1.
2. The UWB-based high-precision positioning device according to claim 1, wherein the DC power supply circuit comprises a battery BT1, a capacitor C13 and a capacitor C14 which are connected in parallel between the positive pole and the negative pole of the battery BT1, and a first power management module and a second power management module which are respectively connected with the positive pole of the battery BT 1; the first power management module is connected with the UWB positioning module, and the second power management module is connected with the Bluetooth communication module BLE.
3. The UWB-based high-precision positioning device according to claim 2, wherein the first power management module comprises a first DC chip U2 of a PowerCIC type with a Vin pin connected with a positive electrode of a battery BT1 and an EN pin connected with a serial port of a microcontroller U1, a resistor R7 with one end connected with a SET pin of the first DC chip U2 and the other end grounded, and a capacitor C11 and a capacitor C12 which are connected in parallel with one end connected with a Vout pin of the first DC chip U2 and the other end grounded.
4. The UWB-based high-precision positioning device according to claim 2, wherein the second power management module comprises a VIN pin connected with a positive electrode of a battery BT1, an SHDN pin connected with a serial port of a microcontroller U1, a second DC chip U3 with the model number of MCP1824T-3302E/OT, a capacitor Cap1 and a capacitor C16 which are connected in parallel and have one end connected with the VIN pin of the second DC chip U3 and the other end grounded, a resistor R8 connected between the VOUT pin of the second DC chip U3 and the PWRGD pin, and a capacitor C15 which has one end connected with the VOUT pin of the second DC chip U3 and the other end grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022829878.XU CN213365307U (en) | 2020-11-30 | 2020-11-30 | High-precision positioning device based on UWB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022829878.XU CN213365307U (en) | 2020-11-30 | 2020-11-30 | High-precision positioning device based on UWB |
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| Publication Number | Publication Date |
|---|---|
| CN213365307U true CN213365307U (en) | 2021-06-04 |
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| CN202022829878.XU Active CN213365307U (en) | 2020-11-30 | 2020-11-30 | High-precision positioning device based on UWB |
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| CN (1) | CN213365307U (en) |
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Effective date of registration: 20220322 Address after: 610000 room 2708, 27 / F, building 2, No. 1199, north section of Tianfu Avenue, high tech Zone, Chengdu, Sichuan Patentee after: Sichuan Railway Information Technology Co.,Ltd. Address before: 620800, 3 places, 1-3 / F, building 3, No. 487, Qinglong Avenue, Qinglong Town, Pengshan District, Meishan City, Sichuan Province Patentee before: Sichuan Tieji Gonglian Technology Co.,Ltd. |