CN219641929U - GNSS high-precision positioning terminal supporting front-end calculation - Google Patents
GNSS high-precision positioning terminal supporting front-end calculation Download PDFInfo
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- CN219641929U CN219641929U CN202223233610.5U CN202223233610U CN219641929U CN 219641929 U CN219641929 U CN 219641929U CN 202223233610 U CN202223233610 U CN 202223233610U CN 219641929 U CN219641929 U CN 219641929U
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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 the field of positioning, in particular to a GNSS high-precision positioning terminal supporting front-end calculation, which comprises a controller, a data acquisition module and a communication module, wherein the controller, the data acquisition module and the communication module are all arranged on the positioning terminal, and the data acquisition module and the communication module are both connected with the controller; the data acquisition module comprises a satellite data acquisition unit, and the satellite data acquisition unit is used for acquiring satellite data in real time according to the requirements of the controller; the controller comprises a data preprocessing module and a high-precision resolving service module, wherein the data preprocessing module is used for storing and preprocessing the data acquired by the data acquisition module, the high-precision resolving service module is used for reading the data of the data preprocessing module to perform high-precision real-time resolving and outputting resolving positioning data through the communication module, and the scheme has the advantages of fast resolving data output and low server-side resource pressure.
Description
Technical Field
The utility model relates to the field of satellite positioning, in particular to a GNSS high-precision positioning terminal supporting front-end calculation.
Background
GNSS, also known as global satellite navigation, is an air-based radio navigation positioning system capable of providing all-weather three-dimensional coordinates and velocity and time information to a user at any location on the earth's surface and near-earth space. However, based on the scene that the multipath effect of the GNSS wireless signal is obvious and completely shielded, the high-precision positioning requirement of the equipment cannot be met under the condition that satellite signals cannot be received or the number of acceptable satellite signals is small. For the currently mainstream GNSS high-precision positioning terminal, only real-time RTK (real-time kinematic) calculation is supported, but under the conditions of poor satellite signals, remote mountain environments and a large number of terminals, such as ground disasters and water conservancy application scenes, the server front-end calculation consumes more resources, is not beneficial to later equipment maintenance, is not applicable to remote mountain environments and increases the labor cost. According to the technical scheme, the GNSS high-precision positioning terminal supporting front-end resolving is provided, so that the GNSS high-precision positioning front-end resolving is realized.
Disclosure of Invention
The utility model aims to provide a GNSS high-precision positioning terminal supporting front-end calculation so as to realize GNSS high-precision positioning front-end calculation.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the positioning device comprises a controller, a data acquisition module and a communication module, wherein the controller, the data acquisition module and the communication module are all arranged on a positioning terminal, and the data acquisition module and the communication module are both connected with the controller; the data acquisition module comprises a satellite data acquisition unit, the controller is positioned in the middle of the positioning terminal, the controller and the satellite data acquisition unit are respectively arranged on opposite sides of the positioning terminal, and the occupied area of the controller is 60% -80% of the area of the positioning terminal; the communication module is positioned at one end of the positioning terminal and is positioned on the same plane with the controller;
the satellite data acquisition unit is used for acquiring satellite data in real time according to the requirements of the controller; the controller comprises a data preprocessing module and a high-precision resolving service module, wherein the data preprocessing module is used for storing and preprocessing the data acquired by the data acquisition module, and the high-precision resolving service module is used for reading the data of the data preprocessing module to perform high-precision real-time resolving and outputting resolving positioning data through the communication module.
The principle and the advantages of the scheme are as follows: when positioning is carried out, the controller controls the data acquisition module to acquire GNSS data required by the high-precision resolving service module, the data preprocessing module is used for preprocessing and storing the acquired GNSS data, the high-precision resolving service module is used for reading the data of the data preprocessing module and carrying out high-precision real-time resolving to obtain high-precision positioning information, and the communication module is used for outputting the resolved high-precision positioning information; in the scheme, the acquisition of the control signals of the controller in the terminal is realized, the calculation and the output of the GNSS high-precision positioning data can be completed at the terminal, the acquired GNSS data are not required to be transmitted to a server for calculation, and the efficiency of acquiring the positioning data by the terminal is improved; and moreover, the failure of acquisition of positioning data caused by unstable connection between the terminal and the server when the terminal is in a weak signal area can be avoided. The controller is arranged at the middle position of the positioning terminal, so that the connection distance between the controller and the data acquisition module and the communication module can be shorter, the optimal setting of the connection circuit of the controller is facilitated, and the circuit structure on the positioning terminal is simplified. The controller and the satellite data acquisition unit are respectively arranged on opposite sides of the positioning terminal, the distance between the satellite data acquisition unit and the controller is reduced, the satellite data transmission speed is ensured, the situation that the controller and the satellite data acquisition unit are arranged on the same side of the positioning terminal, the area of the positioning terminal is increased, the layout of components on the positioning terminal is optimized, and the size of the terminal is reduced is avoided.
Preferably, as an improvement, the communication module includes connector pins, and the connector pins are uniformly distributed at one end of the positioning terminal. The distance between the needles in the connector row needle is more than 2mm, and the length of the connector row needle is at least 3mm. The communication module is connected to the equipment through the connection row, reduces the occupation area of the communication unit on the positioning terminal, and simultaneously the length of the connector row needle is at least 3mm to ensure the stability of the connection of the communication unit, the connector row needle is arranged at one end of the positioning terminal to ensure the neatness of a connecting line in a unit, the connection interface is conveniently arranged on the shell of the terminal equipment, and the convenience of the connection of the communication unit is ensured.
Preferably, as a modification, the thickness of the base of the connector pin header is greater than 1mm. The communication unit connector pin header mounting stability is guaranteed, the base is prevented from being too thick, and the positioning terminal and the volume of the terminal are increased.
Preferably, as an improvement, the data acquisition module further comprises a raw data acquisition unit, and the raw data acquisition unit and the communication module are located on the same side of the positioning terminal. The GNSS antenna is located at one end of the positioning terminal far away from the communication module. The original data acquisition unit and the GNSS antenna are oppositely arranged at two ends of the positioning terminal, so that interference formed in the data transmission process due to too dense distribution of data lines on the positioning terminal is avoided.
Drawings
Fig. 1 is a schematic top view of an embodiment of the present utility model.
Fig. 2 is a schematic bottom view of an embodiment of the present utility model.
Fig. 3 is a schematic side view of an embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the system comprises a positioning terminal 1, a controller 2, a data acquisition module 3, a satellite data acquisition unit 301, a raw data acquisition unit 302, a communication module 4 and a GNSS antenna 5.
As shown in the accompanying drawings 1 and 2, the GNSS high-precision positioning terminal supporting front-end calculation comprises a positioning terminal 1, a controller 2, a data acquisition module 3 and a communication module 4, wherein the positioning terminal 1 is a double-sided PCB, the width of the positioning terminal 1 is 50% -60% of the length of the positioning terminal 1, and the controller 2, the data acquisition module 3 and the communication module are all arranged on the positioning terminal 1 and are connected through a circuit on the positioning terminal 1. The controller 2 comprises a data preprocessing module and a high-precision resolving service module, the data preprocessing module and the high-precision resolving service module are packaged in the same controller 2, the occupied area of the controller 2 is 60% -80% of the area of the positioning terminal 1, specifically, in the embodiment, the length of the controller 2 is 60% -80% of the length of the positioned terminal 1, the width of the controller 2 is 80% -90% of the length of the positioned terminal 1, and the controller 2 is positioned in the middle of the positioning terminal 1; as shown in fig. 3, a satellite data acquisition unit 301 is installed on the back of the positioning terminal 1, where the controller 2 is a CORE board with a high-performance processor built in, preferably, in this example, the CORE board of the controller 2 is selected from HD6UL (L) -CORE of the general austoche, and based on a high-performance processor designed by the Cortex-A7 of the NXP (Freescale) i.mx6ul (L) series, the CORE board in the controller 2 can completely cover the elements on the plane where the satellite data acquisition unit 301 is located; the GNSS module model in the satellite data acquisition unit 301 is MM20B of Fiman technology.
The communication module 4 is located at one end of the positioning terminal 1 and is located on the same plane with the controller 2, and the communication module 4 includes a plurality of connector pins, preferably in this embodiment, the connector pins are pins of double rows of 14 pins, and the connector pins are uniformly distributed at one end of the positioning terminal 1 along the extending direction of the width of the positioning terminal 1; the interval between each needle in the connector row needle is greater than or equal to 2mm, and the length of connector row needle is 3mm at least, and the base thickness of connector row needle is greater than 1mm, and the interval between each needle is 2mm in the connector row needle in this embodiment, and the length of connector row needle is 4mm, and the base thickness of connector row needle is 1.5mm.
The data acquisition module 3 further comprises an original data acquisition unit 302, and the original data acquisition unit 302 is positioned at the same end of the positioning terminal 1 as the communication module 4 and is arranged side by side with the communication module 4; the end of the positioning terminal 1 far away from the communication module 4 is further provided with a GNSS antenna 5, and in this embodiment, the GNSS antenna 5 is connected with the positioning terminal 1 through a mcx female socket interface.
The specific implementation process is as follows:
when front-end resolving is performed, the controller 2 controls the satellite data acquisition unit 301 to acquire GNSS data required by the high-precision resolving service module in real time, controls the original data acquisition unit 302 to acquire original data required by the high-precision resolving service module in resolving, and the data preprocessing module stores and preprocesses the data acquired by the satellite data acquisition unit 301 and the original data acquisition unit 302, and the high-precision resolving service module reads the GNSS data and the original data preprocessed by the data and performs high-precision real-time resolving positioning information, and outputs the resolved positioning information through the communication module 4.
In the scheme, after the terminal collects the original data and the GNSS satellite data, the front end calculation can be directly completed on the terminal, so that the terminal equipment can complete the output of the calculation data in a shorter time, the efficiency of high-precision positioning data acquisition is improved, the number of times of communication between the terminal and a server and the size of data transmission are reduced, the requirement of the terminal on the use environment is reduced, and the resource pressure of the server is reduced; in addition, under the ground disaster and water conservancy application scene of the GNSS high-precision positioning terminal, when satellite signals are bad, the problem reasons can be found out directly through the information fed back by the terminal nodes under the condition that the positioning failure occurs in the solving data of a plurality of terminals, and the solving failure reasons of all terminal devices do not need to be queried at a server side. The controller 2 adopts a high-performance processor, so that the terminal can more quickly and efficiently finish the resolving service of the GNSS satellite signals when resolving the front end, and the resource loss of the terminal is reduced.
The length of the controller 2 is 60% -80% of the length of the positioned terminal 1, the width of the controller 2 is 80% -90% of the length of the positioned terminal 1, the positioning terminal 1 is a double-sided PCB, the satellite data acquisition unit 301 is arranged on the back surface of the positioning terminal 1, where the controller 2 is arranged, and by optimizing the placement positions of all parts in the positioning terminal 1, the volume of the positioning terminal 1 can be reduced while the installation of all parts can be ensured, meanwhile, the front end resolving function of the positioning terminal 1 is realized, and compared with the prior art that the front end acquired satellite signals are transmitted to a server end for resolving, the communication requirement between the positioning terminal 1 and the server can be reduced, and the satellite data resolving efficiency is improved; and the satellite data acquisition unit 301 is placed on the back of the corresponding position of the controller 2 on the positioning terminal 1, and the controller 2 can completely cover elements of the plane where the satellite data acquisition unit 301 is located, so that the complexity of circuit connection on the positioning terminal 1 is reduced, and meanwhile, the utilization rate of the space on two sides of the positioning terminal is improved.
On the basis of the existing satellite data acquisition unit 301 and original data acquisition unit 302 in the terminal, front-end calculation of the acquired satellite data is realized only by a high-precision calculation service module in the controller 1, the structure and the circuit of the positioning terminal 1 are not required to be specially designed independently, and the volume and the cost of the terminal are reduced while the requirement of front-end calculation precision is met; and the low-power consumption module is selected in the satellite data acquisition unit 301, so that when the high-performance core board is selected in the positioning terminal 1 to carry out front-end resolving on satellite data, the front-end resolving efficiency can be improved, the consumption of the positioning terminal 1 in front-end resolving is reduced, the dependence on an energy supply structure when the positioning terminal 1 carries out positioning resolving is avoided, and the portability of the positioning terminal 1 and the applicability under different environments are improved.
The communication unit on the positioning terminal 1 is arranged as the connector pin, so that the equipment can be connected and replaced through the pin when being connected with the terminal positioning terminal 1, the terminal can be ensured to be connected and communicated with the equipment quickly under different use environments, and the expansibility of the terminal equipment is improved. And the interval between each needle is 2mm, and the length of connector row needle 4mm, and the base thickness of connector row needle is 1.5mm, reduces communication unit volume when guaranteeing communication unit and equipment and be connected stability.
Compared with the prior art, after the terminal acquires the satellite signals, the front end calculation of the GNSS high-precision positioning data can be completed at the terminal, the resource cost of a server is reduced, and the efficiency of calculating data output is improved.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. The utility model provides a support GNSS high accuracy positioning terminal of front end resolving which characterized in that: the positioning device comprises a controller, a data acquisition module and a communication module, wherein the controller, the data acquisition module and the communication module are all arranged on a positioning terminal, and the data acquisition module and the communication module are both connected with the controller; the data acquisition module comprises a satellite data acquisition unit, the controller is positioned in the middle of the positioning terminal, the controller and the satellite data acquisition unit are respectively arranged on opposite sides of the positioning terminal, and the occupied area of the controller is 60% -80% of the area of the positioning terminal; the communication module is positioned at one end of the positioning terminal and is positioned on the same plane with the controller;
the satellite data acquisition unit is used for acquiring satellite data in real time according to the requirements of the controller; the controller comprises a data preprocessing module and a high-precision resolving service module, and the data preprocessing module and the high-precision resolving service module are packaged in the same controller; the data preprocessing module is used for storing and preprocessing the data acquired by the data acquisition module, and the high-precision resolving service module is used for reading the data of the data preprocessing module to perform high-precision real-time resolving and outputting resolving positioning data through the communication module.
2. The front-end solution enabled GNSS high-precision positioning terminal of claim 1, wherein: the communication module comprises connector pins which are uniformly distributed at one end of the positioning terminal.
3. The front-end solution enabled GNSS high-precision positioning terminal of claim 2, wherein: the distance between the needles in the connector row needle is more than or equal to 2mm, and the length of the connector row needle is at least 3mm.
4. A GNSS high precision positioning terminal supporting front end resolution according to claim 3, wherein: the thickness of the base of the connector pin header is larger than 1mm.
5. The front-end solution enabled GNSS high-precision positioning terminal of claim 1, wherein: the data acquisition module further comprises an original data acquisition unit, and the original data acquisition unit and the communication module are positioned on the same side of the positioning terminal.
6. The front-end solution enabled GNSS high-precision positioning terminal of claim 1, wherein: the GNSS antenna is located at one end of the positioning terminal far away from the communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223233610.5U CN219641929U (en) | 2022-11-29 | 2022-11-29 | GNSS high-precision positioning terminal supporting front-end calculation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223233610.5U CN219641929U (en) | 2022-11-29 | 2022-11-29 | GNSS high-precision positioning terminal supporting front-end calculation |
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| CN219641929U true CN219641929U (en) | 2023-09-05 |
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| CN202223233610.5U Active CN219641929U (en) | 2022-11-29 | 2022-11-29 | GNSS high-precision positioning terminal supporting front-end calculation |
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| CN (1) | CN219641929U (en) |
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- 2022-11-29 CN CN202223233610.5U patent/CN219641929U/en active Active
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