CN212181037U - Portable difference RTK mobile phone positioning system - Google Patents
Portable difference RTK mobile phone positioning system Download PDFInfo
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- CN212181037U CN212181037U CN202020513016.3U CN202020513016U CN212181037U CN 212181037 U CN212181037 U CN 212181037U CN 202020513016 U CN202020513016 U CN 202020513016U CN 212181037 U CN212181037 U CN 212181037U
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Abstract
The utility model discloses a portable difference RTK mobile phone positioning system, which comprises a micro reference station, a smart phone base and a smart phone; the micro base station comprises an industrial control host, a Beidou/GNSS receiver, an antenna feeder lightning protection device, a CD-Radio emission module and a hit reference network, the base of the smart phone comprises a controller, the Beidou/GNSS receiver, the antenna feeder lightning protection device, a CD-Radio receiving module and a data transmission module, and the smart phone is provided with RTK application software. The utility model discloses a thousand seek miniature reference station and CR-Radio broadcasting technique of net calibration, design a smart mobile phone differential positioning system based on broadcast data receive and forward the base, realized the high accuracy location of multi-user's smart mobile phone end to have characteristics such as convenient, reliable and stable, commonality and practicality of operation.
Description
Technical Field
The utility model relates to a satellite navigation technical field, concretely relates to portable difference RTK cell-phone positioning system.
Background
The Beidou carrier phase differential positioning technology is developed, and the opportunity is brought to the public high-precision position service. At present, some smart phones are added with an original observation data interface, and most smart phones do not have the specific interface function. Moreover, the smart mobile phone utilizes GNSS raw data, adopts real-time non-poor precision positioning to resolve, and dynamic single point location horizontal accuracy is 1.32m, vertical accuracy is 0.81m, and the unable demand in aspects such as high accuracy survey and drawing, accurate agriculture, wisdom city, wisdom tourism of satisfying of this precision, is CN 206117796U's Chinese utility model patent if the grant bulletin number discloses a high accuracy road facilities information acquisition terminal, is a mobile phone mobile terminal, include: the mobile phone comprises an APP and a mobile phone which can meet the android operating system running of the APP; the APP is carried on the mobile phone; controlling a mobile phone to collect the road facility information and checking the collected road facility information by operating an operation interface of the APP; the mobile phone positioning system of the mobile phone is connected with a positioning device with a built-in high-precision Beidou satellite positioning module through a wireless signal, and is used for making up the defects of mobile phone positioning. The utility model discloses convenient change, conveniently carry, easy operation, and can accurate location fast reach the precision of "decimeter" level compensate the not enough problem of ordinary collection equipment positioning accuracy. The positioning device of the mobile terminal of the mobile phone only achieves the decimeter-level precision, and the positioning precision is still to be improved.
Disclosure of Invention
The utility model aims at providing a portable difference RTK cell-phone positioning system of high accuracy location.
The utility model discloses an above-mentioned purpose is realized to following technique:
the portable differential RTK mobile phone positioning system comprises a micro reference station, a smart phone base and a smart phone;
the micro base station comprises an industrial control host, a Beidou/GNSS receiver, an antenna feeder lightning protection device, a CD-Radio emission module and a searching reference network, wherein the antenna feeder lightning protection device is connected with the industrial control host through the Beidou/GNSS receiver, and the industrial control host is respectively connected with the CD-Radio emission module and the searching reference network through a serial port and a network port;
the intelligent mobile phone base comprises a controller, a Beidou/GNSS receiver, an antenna feeder lightning protection device, a CD-Radio receiving module and a data transmission module, wherein the antenna feeder lightning protection device is connected with the controller through the Beidou/GNSS receiver, the controller is connected with a serial port of the data transmission module, the CD-Radio receiving module is wirelessly connected with a CD-Radio transmitting module of a miniature reference station, the CD-Radio receiving module is connected with the serial port of the controller, and the data transmission module is wirelessly connected with the intelligent mobile phone;
the smart phone is provided with RTK application software.
Preferably, the data transmission module is a bluetooth module.
Preferably, the smart phone is an android smart phone, and the Bluetooth module of the smart phone base is connected with the android smart phone.
Preferably, the industrial control host is a J1900 micro industrial control host.
Preferably, the antenna feeder lightning protection devices on the miniature reference station and the smart phone base are SLK-TNC antenna feeder lightning protection devices.
Preferably, the controller is an STM32 controller.
Compared with the prior art, the utility model discloses a have following advantage:
a broadcasting data receiving and forwarding base-based smart phone differential positioning system is designed by adopting a micro reference station for searching network calibration and a CR-Radio broadcasting technology, so that high-precision positioning of a multi-user smart phone end is realized, the positioning precision reaches centimeter-level precise coordinates, and the system has the characteristics of convenience in operation, stability, reliability, universality, practicability and the like. In addition, the whole system is small and compact, the miniature reference station is convenient to detach and install, and a smart phone user checks real-time positioning information through RTK application software.
Drawings
Fig. 1 is the overall block diagram of the portable differential RTK mobile phone positioning system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a portable difference RTK cell-phone positioning system, including miniature reference station, smart mobile phone base and tall and erect smart mobile phone of ann.
The miniature reference station mainly comprises a J1900 miniature industrial control host, a Beidou/GNSS receiver, an SLK-TNC antenna feeder lightning protection device, a CD-Radio emission module and a searching reference network. The SLK-TNC antenna feeder lightning protection device is connected with the satellite antenna joint, and the SLK-TNC antenna feeder lightning protection device is connected with the Beidou/GNSS receiver and used for the Beidou/GNSS receiver to receive satellite data. The Beidou/GNSS receiver is connected with the J1900 micro industrial control host, and the J1900 micro industrial control host is respectively connected with the CD-Radio emission module and the thousand searching reference network.
The intelligent mobile phone base mainly comprises an STM32 controller, a Beidou/GNSS receiver, an SLK-TNC antenna feeder lightning protection device, a CD-Radio receiving module and a Bluetooth module. The SLK-TNC antenna feeder lightning protection device is connected with the satellite antenna joint, and the SLK-TNC antenna feeder lightning protection device is connected with the Beidou/GNSS receiver and used for the Beidou/GNSS receiver to receive satellite data. The big dipper/GNSS receiver is connected with the STM32 controller, and the STM32 controller is connected with the bluetooth module. The CD-Radio receiving module is in wireless connection with a CD-Radio transmitting module of the miniature reference station, and the CD-Radio receiving module is in serial connection with an STM32 controller. The Bluetooth module is connected with a Bluetooth module of the smart phone, and the smart phone is provided with RTK application software.
The miniature reference station obtains centimeter-level accurate coordinates by utilizing a kilo-homing service network NTRIP protocol and adopting a virtual reference station technology and through self-contained Beidou/GNSS carrier phase static positioning. And the micro reference station broadcasts the carrier phase ambiguity double differences and the precise coordinates of the reference station to the periphery in a broadcasting mode through a CD-Radio transmitting module. The smart phone obtains the carrier phase double difference value and the precise coordinate of the micro reference station through a CD-Radio receiving module of a smart phone base, and simultaneously obtains Beidou/GNSS satellite observation data through a serial port.
The STM32 controller is used for storing miniature reference station head difference data and smart mobile phone base observation data respectively through opening up two circular queues, and the smart mobile phone base passes through bluetooth module and accomplishes the data of sending to the smart mobile phone user side. The smart phone can be buckled on a smart phone base, the user opens android RTK positioning software, peripheral Bluetooth is searched, Bluetooth on the smart phone base is selected to establish matching connection, the smart phone runs a differential RTK positioning program, the current user accurate coordinate position can be resolved, and the smart phone high-precision differential positioning function is achieved.
The utility model discloses a portable difference RTK cell-phone positioning system can be applied to occasions such as accurate agriculture, field exploration, sight spot sightseeing. When the CD-Radio broadcasting device is used, the micro reference station is installed and fixed on the stable ground and connected with the thousand-search reference network, and the CD-Radio broadcasting data can be carried out after about 10s of initial fixation. The smart phone user opens the mobile phone base and the differential positioning mobile phone APP, and high-precision real-time differential positioning can be conducted.
It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Claims (6)
1. Portable difference RTK cell-phone positioning system, its characterized in that: the system comprises a micro reference station, a smart phone base and a smart phone;
the micro base station comprises an industrial control host, a Beidou/GNSS receiver, an antenna feeder lightning protection device, a CD-Radio emission module and a searching reference network, wherein the antenna feeder lightning protection device is connected with the industrial control host through the Beidou/GNSS receiver, and the industrial control host is respectively connected with the CD-Radio emission module and the searching reference network through a serial port and a network port;
the intelligent mobile phone base comprises a controller, a Beidou/GNSS receiver, an antenna feeder lightning protection device, a CD-Radio receiving module and a data transmission module, wherein the antenna feeder lightning protection device is connected with the controller through the Beidou/GNSS receiver, the controller is connected with a serial port of the data transmission module, the CD-Radio receiving module is wirelessly connected with a CD-Radio transmitting module of a miniature reference station, the CD-Radio receiving module is connected with the serial port of the controller, and the data transmission module is wirelessly connected with the intelligent mobile phone;
the smart phone is provided with RTK application software.
2. The portable differential RTK handset positioning system according to claim 1, characterized in that: the data transmission module is a Bluetooth module.
3. The portable differential RTK handset positioning system of claim 2, wherein: the smart phone is an android smart phone, and a Bluetooth module of a base of the smart phone is connected with a Bluetooth module of the android smart phone.
4. The portable differential RTK handset positioning system according to any one of claims 1 to 3 wherein: the industrial control host is a J1900 micro industrial control host.
5. The portable differential RTK handset positioning system according to any one of claims 1 to 3 wherein: and the antenna feeder lightning protection devices on the miniature reference station and the smart phone base are SLK-TNC antenna feeder lightning protection devices.
6. The portable differential RTK handset positioning system according to any one of claims 1 to 3 wherein: the controller is an STM32 controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513016.3U CN212181037U (en) | 2020-04-09 | 2020-04-09 | Portable difference RTK mobile phone positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513016.3U CN212181037U (en) | 2020-04-09 | 2020-04-09 | Portable difference RTK mobile phone positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212181037U true CN212181037U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020513016.3U Expired - Fee Related CN212181037U (en) | 2020-04-09 | 2020-04-09 | Portable difference RTK mobile phone positioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116708542A (en) * | 2023-08-02 | 2023-09-05 | 福建福大北斗通信科技有限公司 | High-precision position sharing system and method based on Android platform |
-
2020
- 2020-04-09 CN CN202020513016.3U patent/CN212181037U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116708542A (en) * | 2023-08-02 | 2023-09-05 | 福建福大北斗通信科技有限公司 | High-precision position sharing system and method based on Android platform |
| CN116708542B (en) * | 2023-08-02 | 2023-10-24 | 福建福大北斗通信科技有限公司 | High-precision position sharing system and method based on Android platform |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 Termination date: 20210409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |