CN217007692U

CN217007692U - Portable high-precision positioning device

Info

Publication number: CN217007692U
Application number: CN202123249133.7U
Authority: CN
Inventors: 郭归阳
Original assignee: Guangzhou Stonex Surveying Technology Co ltd
Current assignee: Guangzhou Stonex Surveying Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-19
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a portable high-precision positioning device which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected through clamping, a circuit board is arranged in a cavity formed between the upper shell and the lower shell, a GNSS positioning module, a power supply module, an MCU processor and a 4G network module are integrated on the circuit board, an LED indicator lamp is arranged at the top of the upper shell, two RS485 interfaces and an RS232 interface are arranged on the front side of the lower shell, a BNC waterproof socket used for connecting an external GNSS high-precision positioning antenna and an SMA waterproof socket used for connecting an external 4G network antenna are arranged on the rear side of the lower shell, and an SIM card slot is arranged on the left side of the lower shell. Because only one circuit board is arranged in a cavity formed by the upper shell and the lower shell of the portable high-precision positioning device, and the GNSS positioning module, the power supply module, the MCU processing module and the 4G network module are all integrated on the circuit board, the device has the advantages of small volume, high integration level and the like, and is convenient to carry while meeting the scene requirement of accurate positioning.

Description

Portable high-precision positioning device

Technical Field

The utility model relates to the field of GNSS positioning, in particular to a portable high-precision positioning device.

Background

The satellite navigation positioning technology has basically replaced the ground-based radio navigation, the traditional geodetic survey and the astronomical survey navigation positioning technology at present, and promotes the brand new development of the field of geodetic survey and navigation positioning. The GNSS is generally called Global Navigation Satellite System (Global Navigation Satellite System), which refers to all Satellite Navigation systems including Global, regional, and enhanced, such as GPS in the united states, Glonass in russia, Galileo in europe, and beidou Satellite Navigation System in china.

With the continuous development of science and technology, the automation process of each industry is accelerated, and factories, hospitals, taxi companies, transportation companies and the like are required to realize centimeter-level accurate positioning of the flag-off personnel and vehicles. The existing civilian grade GNSS product is not high in precision, can only reach meter grade precision, can not meet the scene requirements of some having accurate positioning requirements, is generally too large in size and is not easy to carry.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a portable high-precision positioning device, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a portable high accuracy positioner, includes casing and lower casing, go up the casing with the casing is connected and is equipped with the circuit board in the cavity that forms between the two through the block down, the integration has GNSS orientation module, power module, MCU treater and 4G network module on the circuit board, the top of going up the casing is equipped with the LED pilot lamp, the front side of casing is equipped with two RS485 interfaces and an RS232 interface down, the rear side of casing is equipped with the BNC waterproof socket that is used for connecting external GNSS high accuracy location antenna and is used for connecting the SMA waterproof socket of external 4G network antenna down, the left side below of casing is equipped with SIM card slot down.

Furthermore, a cover body used for water and moisture prevention is arranged on a notch of the SIM card slot.

Furthermore, the left side and the right side of the lower shell are provided with installation lugs for positioning and installation, and the bottom of each installation lug is flush with the bottom of the lower shell.

Further, the outer surfaces of the upper shell and the lower shell are frosted layers.

The utility model has the beneficial effects that: compared with the prior art, the portable high-precision positioning device has the advantages of small size, high integration level and the like, and is convenient to carry while meeting the scene requirement of precise positioning requirement because only one circuit board is arranged in the cavity formed by the upper shell and the lower shell of the portable high-precision positioning device, and the GNSS positioning module, the power supply module, the MCU processing module and the 4G network module are all integrated on the circuit board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a portable high-precision positioning device according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of the portable high precision positioning device of the present invention;

fig. 3 is a rear view of the portable high precision positioning apparatus of the present invention.

The names of the components marked in the figures are as follows: 1. an upper housing; 2. a lower housing; 3. an LED indicator light; 4. an RS485 interface; 5. an RS232 interface; 6. a cover body; 7. installing a lug; 8. a SIM card slot; 9. a GNSS positioning module; 10. BNC waterproof sockets; 11. SMA waterproof socket.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 3, the portable high-precision positioning device of the present invention comprises an upper housing 1 and a lower housing 2, wherein the outer surfaces of the upper housing 1 and the lower housing 2 are frosted layers, and the surface frosting treatment enhances the texture. Go up casing 1 and lower casing 2 and be equipped with the circuit board through the block connection and in the cavity that forms between the two, the integration has GNSS orientation module 9 on the circuit board, power module, MCU treater and 4G network module (because the sheltering from of UB4BO integrated circuit board, fail to embody in the drawing), the top of going up casing 1 is equipped with LED pilot lamp 3, the front side of casing 2 is equipped with two RS485 interfaces 4 and an RS232 interface 5 down, the rear side of casing 2 is equipped with the waterproof socket of BNC 10 that is used for connecting external GNSS high accuracy location antenna and the waterproof socket of SMA 11 that is used for connecting external 4G network antenna down, the left side of casing 2 is equipped with SIM card slot 8 down. Go up casing 1 and lower casing 2 and all adopt the metal material to make, go up casing 1 and casing 2's hookup location down and adopt the draw-in groove design, convenient dismantlement installation like this. And the LED state indicator lamp is used for indicating the working state, the GNSS state and the 4G network state. The GNSS positioning module 9 in the present application adopts the UB4B0 high-precision GNSS positioning module 9, and can support the RTK real-time differential technology and the PPK post-differential technology at the same time. The power module mainly comprises a polymer lithium battery, a charging management circuit and a power management circuit, and provides energy for the whole device. The MCU processor and the 4G network module are well known in the art and will not be described in detail. The circuit board is provided with 4 5pin motex connectors which are respectively connected with an RS485 interface 4 and an RS232 interface 5 through internal data cables. The two RS485 interfaces 4 are used for communicating with an external sensor; the RS232 interface 5 is used for outputting GNSS measurement results and configuring products, and in addition, the RS232 interface 5 also has a power supply function. Through set up above-mentioned technical characteristics in last casing 1 and lower casing 2, make this device possess RTK, PPK function, can outwards send the sensor data that RS485 mouth was received through 4G network module simultaneously, realize that a product can replace a plurality of products, have traditional GNSS high accuracy product, network router, serial port server function simultaneously.

The circuit board is also provided with two mmcx feeder sockets, one mmcx feeder socket is connected with the BNC waterproof socket 10 through the internal feeder, and the other mmcx feeder socket is connected with the SMA waterproof socket 11 through the internal feeder. There are 4 5pinmotex connectors on the circuit board, be connected with two RS485 interfaces 4, RS232 interface 5 respectively through inside data cable.

A cover 6 for water and moisture proofing is provided on the slot opening of the SIM card slot 8. The cover 6 in this embodiment is made of metal, and the periphery of the cover 6 is provided with a sealing waterproof treatment to ensure the waterproof and moisture-proof performance outdoors. The left side and the right side of the lower shell 2 are provided with installation lugs 7 for positioning and installation, and the bottoms of the installation lugs 7 are flush with the bottom of the lower shell 2.

The working principle of the embodiment is as follows: the GNSS positioning module 9 in the present application adopts the UB4B0 high-precision GNSS positioning module 9, which can support the RTK real-time difference technique and the PPK post-difference technique. Through the combination of the two technologies, the positioning device has the advantages of high precision and small volume, and can be used for positioning of the aged, the renters and the plant and mine personnel. The RTK (real Time kinematic) real-Time dynamic measurement technique is a real-Time differential GPS (RTDGPS) technique based on carrier phase observation, which is a breakthrough in the development mileage of the measurement technique and consists of a base station receiver, a data chain and a rover receiver. A base station is provided with 1 receiver as a reference station to continuously observe a satellite, observation data and station measurement information of the satellite are transmitted to a rover station in real time through radio transmission equipment, the rover station GPS receiver receives GPS satellite signals and data transmitted by the base station through radio receiving equipment, and then three-dimensional coordinates and precision of the rover station (namely coordinate differences delta X, delta Y and delta H between the base station and the rover station, WGS-84 coordinates of each point obtained by adding the base coordinates, and plane coordinates X, Y and altitude H of each point are obtained through coordinate conversion parameters) are solved in real time according to the principle of relative positioning. A distribution station mode and a network communication mode. The emphasis is on real-time. The ppk (post Processed kinematic) post-difference technique is a positioning technique corresponding to RTK, which is a dynamic relative positioning technique using carrier phase observation for post-processing, and RTK is real-time. Because post-processing is carried out, a user does not need to be equipped with a data communication chain (the flow cost can be saved), observation is more convenient and free, and the method is suitable for the application field without obtaining the positioning result in real time. The emphasis is on post-processing the differential data.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a portable high accuracy positioner, includes casing and lower casing, its characterized in that: go up the casing with the casing is connected and is equipped with the circuit board in the cavity that forms between the two through the block down, the integration has GNSS orientation module, power module, MCU treater and 4G network module on the circuit board, the top of going up the casing is equipped with the LED pilot lamp, the front side of casing is equipped with two RS485 interfaces and an RS232 interface down, the rear side of casing is equipped with the BNC waterproof socket that is used for connecting external GNSS high accuracy location antenna and the SMA waterproof socket that is used for connecting external 4G network antenna down, the left side below of casing is equipped with SIM card slot down.

2. The portable high precision positioning device of claim 1, wherein: and a cover body for water and moisture prevention is arranged on the notch of the SIM card slot.

3. The portable high precision positioning device of claim 1, wherein: the left side and the right side of the lower shell are provided with installation lugs for positioning and installation, and the bottoms of the installation lugs are flush with the bottom of the lower shell.

4. The portable high precision positioning device of claim 1, wherein: and the outer surfaces of the upper shell and the lower shell are provided with frosting layers.