CN218886169U - Vehicle positioning tracker and vehicle - Google Patents
Vehicle positioning tracker and vehicle Download PDFInfo
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- CN218886169U CN218886169U CN202222295925.6U CN202222295925U CN218886169U CN 218886169 U CN218886169 U CN 218886169U CN 202222295925 U CN202222295925 U CN 202222295925U CN 218886169 U CN218886169 U CN 218886169U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to a technical field is used in the location, indicates a vehicle localization tracker and a vehicle especially. The vehicle localization tracker includes: MCU chip, 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver, the MCU chip with 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver are connected. The vehicle positioning tracker of the utility model can be used for carrying out outdoor and indoor comprehensive positioning on the vehicle, thereby improving the positioning precision and facilitating the real-time understanding of the position information and the working condition of the vehicle; thereby facilitating management and control of the vehicle.
Description
Technical Field
The utility model relates to a technical field is used in the location, indicates a vehicle localization tracker and a vehicle especially.
Background
With the rapid development of the internet of things and artificial intelligence, location Based Services (LBS) gradually permeate the aspects of human life, location positioning tracking is more and more widely applied in numerous fields such as police vehicles, commercial vehicles, port vehicles, freight vehicles and the like, the location positioning tracking has higher requirements on positioning precision, updating frequency of positioning data and coverage areas, and certain applications need to send position track information of a period of time after an accident to a client management platform after the vehicle has the accident, so that the fault reason can be analyzed and rescue can be implemented conveniently.
In order to realize seamless high-precision positioning and tracking of vehicles, outdoor and indoor positioning non-blind area switching and seamless connection are required to be realized. The outdoor satellite navigation positioning precision has an error of 5-20 meters, and a driver often drives a vehicle to an unspecified place in the actual operation process; in the indoor environment, some areas are distributed with Bluetooth AOA base station positioning, and some areas are distributed with UWB base station positioning, so that the position information of the vehicle in some areas is lost; the management party cannot know the position information and the working condition of the vehicle in real time, which is not beneficial to the management and control of the vehicle.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a vehicle positioning tracker, which can perform outdoor and indoor integrated positioning on a vehicle, improve positioning accuracy, and facilitate real-time understanding of position information and working conditions of the vehicle.
In order to achieve the above object, the utility model adopts the following technical scheme:
a vehicle localization tracker comprising: MCU chip, 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver, the MCU chip with 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver are connected.
Further, the vehicle positioning tracker also comprises a power supply module, and the power supply module is used for supplying power to the vehicle positioning tracker.
Further, the power supply module comprises a first switch control circuit, a 12V to 5V circuit, a second switch control circuit, a 5V to 3.3V circuit and a 5V to 3.8V circuit, wherein the first switch control circuit is connected with the second switch control circuit through the 12V to 5V circuit;
the second switch control circuit is connected with the 5V-to-3.3V circuit and the 5V-to-3.8V circuit, and the input end of the first switch control circuit is connected with a 12V power supply.
Further, the power supply module further comprises a charging circuit and an energy storage circuit, and the 12V-to-5V circuit is connected with the energy storage circuit through the charging circuit;
an alternative circuit is connected between the 12V-to-5V circuit and the second switch control circuit, and the alternative circuit is connected with the energy storage circuit.
Furthermore, the power supply module further comprises a power supply detection circuit, the 12V-to-5V circuit is connected with the MCU chip through the power supply detection circuit, and the MCU chip is connected with the second switch control circuit.
Furthermore, the power supply module further comprises an anti-static anti-surge circuit, and the first switch control circuit is connected with the 12V power supply through the anti-static anti-surge circuit.
Further, the power supply module further comprises an anti-reverse connection circuit, and the first switch control circuit is connected with the anti-static anti-surge circuit through the anti-reverse connection circuit.
Further, the model of the MCU chip is STM32F427VI.
The utility model also provides a vehicle, the vehicle includes as above a vehicle localization tracker.
Further, the vehicles include police vehicles, commercial vehicles, port vehicles, and freight vehicles.
The beneficial effects of the utility model reside in that:
vehicle localization tracker contains: MCU chip, 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver, the MCU chip with 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver are connected. The vehicle positioning tracker can be used for comprehensively positioning the vehicle outdoors and indoors, improves the positioning precision and facilitates the real-time understanding of the position information and the working condition of the vehicle; thereby facilitating management and control of the vehicle.
Drawings
Fig. 1 is a schematic circuit diagram of the vehicle positioning tracker according to the present invention.
Fig. 2 is a schematic circuit diagram of the power supply module of the present invention.
Detailed Description
Referring to fig. 1-2, the present invention relates to a vehicle positioning tracker, comprising: MCU chip, 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver, the MCU chip with 4G module, GNSS receiver module, UWB module, bluetooth module, IMU module and RS232 transceiver are connected. Further, the model of the MCU chip is STM32F427VI. Further, the vehicle positioning tracker also comprises a power supply module, and the power supply module is used for supplying power to the vehicle positioning tracker. The vehicle positioning tracker of the utility model can be used for carrying out outdoor and indoor comprehensive positioning on the vehicle, thereby improving the positioning precision and facilitating the real-time understanding of the position information and the working condition of the vehicle; thereby facilitating management and control of the vehicle.
In the above scheme, the MCU chip is a control center of the vehicle localization tracker; the IMU module is used for acquiring information such as acceleration and attitude of the mobile carrier; the Bluetooth module is used for sending and receiving information of a Bluetooth base station indoors; the UWB module is used for sending and receiving information of a UWB base station indoors; the GNSS receiver module has a function of supporting RTK resolving, and when the GNSS receiver module is outdoors, the GNSS receiver module acquires the position information of the mobile carrier, performs RTK resolving with the position correction number sent by the CORS system, and outputs high-precision positioning information; the 4G module is used for receiving and sending data to the CORS system, and meanwhile, the 4G module is used for sending RTK and IMU data to the client server side. The RS232 module is used for downloading and updating application programs and is also used for outputting the positioning information of the vehicle positioning tracker.
It should be noted that a CORS system (chinese: continuous operation Reference station in the english of CORS) is composed of five parts, namely a Reference station network, a data processing center, a data transmission system, a positioning navigation data broadcasting system and a user application system, and each Reference station and a monitoring analysis center are connected into a whole through the data transmission system to form a special network.
The MCU chip specifically comprises the following functions:
1) The method comprises the steps that position information of GNSS is received, the GNSS position information is sent to a CORS system through a 4G module, the CORS system calculates position correction numbers according to information from a tracker and then sends the position correction numbers to the tracker through the 4G module, the tracker receives the position correction numbers through the 4G module and sends the position correction numbers to an MCU chip through a USB interface, the MCU chip is processed and then sends the position correction numbers to a GNSS receiver module for RTK resolving, the resolved position information and collected IMU data are sent to the MCU chip for combined resolving and locating, high-precision locating information is output, and the MCU chip sends the high-precision locating information to a client management platform to achieve vehicle locating and tracking;
2) In an indoor environment, if the information of the UWB base station is sensed, the position information of the UWB module is sent to the UWB base station, the UWB base station or a background algorithm engine carries out UWB positioning algorithm processing, the calculated position information and IMU data information collected by a vehicle positioning tracker are sent to a client management platform, the client management platform carries out fusion positioning algorithm, and high-precision position information is output to realize the tracking of a moving target;
3) In an indoor environment, if the information of the BLE Bluetooth base station is sensed, the vehicle positioning tracker transmits a direction-finding signal by using a Bluetooth antenna, the BLE Bluetooth base station senses a radio direction-finding signal transmitted by the vehicle positioning tracker by using a built-in antenna array, the BLE Bluetooth base station or a background algorithm engine performs BLE Bluetooth room position algorithm processing, and the calculated position information and the position information of the IMU (inertial measurement Unit) acquired by the vehicle positioning tracker are transmitted to a client management platform so as to realize the tracking of a moving target;
4) Coordinating operation and parameter configuration of the perimeter sensor device.
It should be noted that the GNSS receiver module of the present invention can adopt a BD982 receiver, which has a fast update speed, supports RTK resolving, and fuses with IMU data, and can keep outputting high-precision position information when the GNSS satellite is lost; the outdoor positioning precision can reach sub-meter level, and the indoor positioning precision can reach within 0.5 meter.
In this embodiment, the power supply module includes a first switch control circuit, a 12V to 5V circuit, a second switch control circuit, a 5V to 3.3V circuit, and a 5V to 3.8V circuit, and the first switch control circuit is connected to the second switch control circuit through the 12V to 5V circuit; the second switch control circuit is connected with the 5V-to-3.3V circuit and the 5V-to-3.8V circuit, and the input end of the first switch control circuit is connected with a 12V power supply. Furthermore, the power supply module further comprises a charging circuit and an energy storage circuit, and the 12V-to-5V circuit is connected with the energy storage circuit through the charging circuit; an alternative circuit is connected between the 12V-to-5V circuit and the second switch control circuit, and the alternative circuit is connected with the energy storage circuit. Furthermore, the power supply module further comprises a power supply detection circuit, the 12V-to-5V circuit is connected with the MCU chip through the power supply detection circuit, and the MCU chip is connected with the second switch control circuit. Furthermore, the power supply module further comprises an anti-static anti-surge circuit, and the first switch control circuit is connected with the 12V power supply through the anti-static anti-surge circuit. Furthermore, the power supply module further comprises an anti-reverse connection circuit, and the first switch control circuit is connected with the anti-static anti-surge circuit through the anti-reverse connection circuit. The working principle of the power supply module is as follows:
under the normal condition of a vehicle, a vehicle ignition power supply supplies power for 12V, 5VA voltage is output through an anti-static anti-surge circuit, an anti-reverse connection circuit and a first switch control circuit (used for switching on and off), and meanwhile, the 12V-to-5V circuit is divided into one path to charge the energy storage circuit and output 5VB voltage; and the 5VA voltage and the 5VB voltage are output by selecting the 5VA voltage through the alternative circuit, and finally, the whole vehicle positioning tracker is supplied with power through the second switch control circuit. Meanwhile, the MCU chip detects the 5VA voltage through the power supply detection circuit, when the vehicle has a fault, namely normal power supply cannot be carried out, the power supply detection circuit outputs fault information to the MCU chip, and at the moment, the alternative circuit is automatically switched to the 5VB voltage output to supply power to the whole vehicle positioning tracker; after the MCU chip receives the power failure information, the MCU chip continues working for a period of time by taking the received power failure information as a starting point, namely, the MCU chip sends position track information of a period of time after an accident to the client management platform, and finally, the power supply is cut off through the second switch control circuit.
The positioning tracking method of the vehicle positioning tracker comprises the following steps:
when the vehicle position tracker is in an outdoor environment,
the GNSS position information is received through the GNSS receiver module, the GNSS position information is sent to a CORS system through the 4G module, the CORS system calculates a position correction number according to the GNSS position information and then sends the position correction number to the MCU chip through the 4G module, the MCU chip is processed and then sends the position correction number to the GNSS receiver module to perform RTK resolving to obtain position information, then the position information and IMU data acquired by the IMU module perform a fusion positioning algorithm through the MCU chip, and the resolved high-precision position information is sent to a client management platform to realize positioning tracking of the vehicle positioning tracker;
when the vehicle position tracker is in an indoor environment,
if the information of the UWB base station is sensed, the position information of the UWB tag is sent to the UWB base station to be processed by a UWB positioning algorithm, the position information counted by the UWB base station and the position information of the IMU collected by the vehicle positioning tracker are sent to a client management platform and subjected to information fusion calculation, so that the positioning tracking of the vehicle positioning tracker is realized;
if the information of the BLE Bluetooth base station is sensed, the position information of the BLE Bluetooth label is sent to the BLE Bluetooth base station for BLE Bluetooth room position algorithm processing, then the position information output by the BLE Bluetooth base station and the position information of the IMU collected by the vehicle positioning tracker are sent to a client management platform for information fusion and calculation, and therefore positioning tracking of the vehicle positioning tracker is achieved.
The utility model also provides a vehicle, the vehicle includes as above a vehicle localization tracker. The vehicles include police vehicles, commercial vehicles, port vehicles, and freight vehicles. The localization tracking process of the vehicle adopting the vehicle localization tracker comprises the following steps:
when the vehicle is outdoors, the high-precision GGA information is output by performing an RTK algorithm on the GGA positioning information acquired by the GNSS receiver module and the acquired difference correction number, and the high-precision GGA information and the position information acquired by the IMU are subjected to data fusion to obtain positioning information with high updating speed and high precision, and the positioning information is uploaded to the client management platform through the 4G module to achieve the positioning purpose or track the target. When the vehicle is indoor, when the vehicle enters a Bluetooth or UWB positioning area, the Bluetooth or UWB is used as a label to send positioning information, the positioning server carries out position calculation, and simultaneously, the positioning server combines IMU information to carry out fusion, so that the indoor positioning purpose or the indoor tracking target is realized.
The above embodiments are only described as preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (8)
1. A vehicle position tracker, comprising: the device comprises an MCU chip, a 4G module, a GNSS receiver module, a UWB module, a Bluetooth module, an IMU module and an RS232 transceiver, wherein the MCU chip is connected with the 4G module, the GNSS receiver module, the UWB module, the Bluetooth module, the IMU module and the RS232 transceiver;
the vehicle localization tracker still contains power module, power module is used for giving the vehicle localization tracker supplies power, power module includes first switch control circuit, 12V changes 5V circuit, second switch control circuit, 5V changes 3.3V circuit and 5V changes 3.8V circuit, first switch control circuit passes through 12V changes 5V circuit with second switch control circuit connects, second switch control circuit with 5V changes 3.3V circuit, 5V changes 3.8V circuit connection, 12V power is connected to first switch control circuit's input.
2. A vehicle position tracker in accordance with claim 1, wherein: the power supply module further comprises a charging circuit and an energy storage circuit, and the 12V-to-5V circuit is connected with the energy storage circuit through the charging circuit;
an alternative circuit is connected between the 12V-to-5V circuit and the second switch control circuit, and the alternative circuit is connected with the energy storage circuit.
3. A vehicle position tracker in accordance with claim 2, wherein: the power supply module further comprises a power supply detection circuit, the 12V-to-5V circuit is connected with the MCU chip through the power supply detection circuit, and the MCU chip is connected with the second switch control circuit.
4. A vehicle position tracker in accordance with claim 1, wherein: the power supply module further comprises an anti-static anti-surge circuit, and the first switch control circuit is connected with the 12V power supply through the anti-static anti-surge circuit.
5. A vehicle localization tracker according to claim 4, wherein: the power supply module further comprises an anti-reverse-connection circuit, and the first switch control circuit is connected with the anti-static anti-surge circuit through the anti-reverse-connection circuit.
6. A vehicle position tracker in accordance with claim 1, wherein: the model of the MCU chip is STM32F427VI.
7. A vehicle, characterized in that: the vehicle comprising a vehicle position tracker in accordance with any one of claims 1 to 6.
8. A vehicle according to claim 7, characterized in that: the vehicles include police vehicles, commercial vehicles, port vehicles, and freight vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295925.6U CN218886169U (en) | 2022-08-30 | 2022-08-30 | Vehicle positioning tracker and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295925.6U CN218886169U (en) | 2022-08-30 | 2022-08-30 | Vehicle positioning tracker and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218886169U true CN218886169U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222295925.6U Active CN218886169U (en) | 2022-08-30 | 2022-08-30 | Vehicle positioning tracker and vehicle |
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|---|---|
| CN (1) | CN218886169U (en) |
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- 2022-08-30 CN CN202222295925.6U patent/CN218886169U/en active Active
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