CN212932963U - GNSS positioning terminal - Google Patents
GNSS positioning terminal Download PDFInfo
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- CN212932963U CN212932963U CN202021597747.7U CN202021597747U CN212932963U CN 212932963 U CN212932963 U CN 212932963U CN 202021597747 U CN202021597747 U CN 202021597747U CN 212932963 U CN212932963 U CN 212932963U
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Abstract
The utility model provides a GNSS location terminal belongs to GNSS location technical field. The GNSS positioning terminal comprises: the GNSS antenna comprises a GNSS signal output interface; the input interface of the GNSS processing module is connected with the GNSS signal output interface; the input interface of the data processing unit is connected with the output interface of the GNSS processing module; the power supply module comprises two power supply output interfaces, one power supply output interface is connected with the GNSS processing module, and the other power supply output interface is connected with the data processing unit; the GNSS antenna, the GNSS processing module, the data processing unit and the power supply module are sequentially overlapped from top to bottom. This GNSS positioning terminal's GNSS antenna, GNSS processing module, data processing unit and power module follow from down superpose in proper order, and the superpose order of each part is more reasonable and adopt the stacked structure design to make the utility model discloses a GNSS positioning terminal has small characteristics, can adapt to the narrow and small unmanned platform environment in space better.
Description
Technical Field
The utility model relates to a GNSS positioning terminal belongs to GNSS location technical field.
Background
The inside each part of measurement type receiver that current GNSS measurement operation often used adopts the mode of tiling to arrange, leads to measuring equipment not only required area great, still has the problem that volume weight is big, carry inconvenience, and the instrument erects and the handling amount of labour is big, can not adapt to the narrow and small installation arrangement condition of small-size unmanned microscope carrier such as unmanned aerial vehicle, small-size unmanned vehicle. In addition, most of the existing measuring devices are oriented to a single precision positioning measurement task, and cannot output position information in real time or output result forms and output means are poor in customizability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a GNSS positioning terminal for it is bulky to solve current GNSS positioning terminal, and can't adapt to the problem of the narrow and small installation arrangement condition of small-size unmanned microscope carrier.
In order to achieve the above object, the utility model provides a GNSS positioning terminal, this GNSS positioning terminal includes:
the GNSS antenna comprises a GNSS signal output interface;
the input interface of the GNSS processing module is connected with the GNSS signal output interface;
the input interface of the data processing unit is connected with the output interface of the GNSS processing module;
the power supply module comprises two power supply output interfaces, one power supply output interface is connected with the GNSS processing module, and the other power supply output interface is connected with the data processing unit;
the GNSS antenna, the GNSS processing module, the data processing unit and the power supply module are sequentially overlapped from top to bottom.
The utility model has the advantages that: the utility model discloses a GNSS positioning terminal is formed by GNSS antenna, GNSS processing module, data processing unit and power module superpose from top to bottom in proper order, at first, because adopt the stack structure design to make between each part the utility model discloses a GNSS positioning terminal has characteristics small, can adapt to the small-size unmanned platform environment that the space is narrow and small better; secondly, the stacking sequence of each part is more consistent with the actual receiving and processing sequence of the GNSS signals, the arrangement sequence of each part is more reasonable, and the connection is more convenient and concise.
Further, in the GNSS positioning terminal, the power supply module includes a storage battery and a power supply conversion module, the power supply conversion module includes a power supply input interface, a first power supply output interface, and a second power supply output interface, the power supply input interface is connected to the storage battery, the first power supply output interface is connected to the GNSS processing module, and the second power supply output interface is connected to the data processing unit.
Further, in the GNSS positioning terminal, the first power output interface is disposed on a front side of the power conversion module, and the second power output interface is disposed on a back side of the power conversion module, where the front side refers to a side of the power conversion module connected to the GNSS processing module, and the back side refers to a side of the power conversion module connected to the data processing unit.
The beneficial effects of doing so are: the power supply output interface of the power supply conversion module adopts a front-back design, so that the size of the positioning terminal can be further reduced.
Further, in the GNSS positioning terminal, the model of the GNSS antenna is Tallysman TW 3972.
Further, in the GNSS positioning terminal, the data processing unit employs an Arm + Linux architecture.
Further, in the GNSS positioning terminal, the data processing unit further includes a communication interface, and the communication interface includes a USB interface, a wired network port, a bluetooth interface, and a WiFi interface.
Drawings
Fig. 1 is a schematic diagram of an internal installation structure of a GNSS positioning terminal according to the present invention;
fig. 2 is a schematic connection diagram of components in the GNSS positioning terminal according to the present invention;
fig. 3 is a circuit diagram of the power conversion module in the GNSS positioning terminal 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 and embodiments.
GNSS positioning terminal embodiment:
as shown in fig. 1, the GNSS positioning terminal of the present embodiment includes the following components: the device comprises a GNSS antenna, a GNSS processing module, a power supply conversion module, a data processing unit and a storage battery, wherein the GNSS antenna comprises a GNSS signal output interface; the power supply conversion module comprises a power supply input interface, a first power supply output interface and a second power supply output interface; the battery in this embodiment is a battery case (i.e., 18650 battery case) formed of three 18650 cells.
As can be seen from fig. 1: the GNSS signal output interface of the GNSS antenna is connected with the input interface of the GNSS processing module, and the output interface of the GNSS processing module is connected with the input interface of the data processing unit; the power input interface of the power conversion module is connected with the storage battery, the first power supply output interface is connected with the GNSS processing module to supply power for the GNSS processing module, and the second power supply output interface is connected with the data processing unit to supply power for the data processing unit; the GNSS antenna, the GNSS processing module, the power supply conversion module, the data processing unit and the storage battery are sequentially stacked from top to bottom, and the stacking structure can improve the integration level among all the components and reduce the overall volume of the assembled GNSS positioning terminal to the maximum extent; in addition, the power conversion module adopts a front-back two-side design, a first power supply output interface of the power conversion module is arranged on the front side of the power conversion module (namely the side where the power conversion module is connected with the GNSS processing module), a second power supply output interface of the power conversion module is arranged on the back side of the power conversion module (namely the side where the power conversion module is connected with the data processing unit), and the power conversion module adopts the front-back two-side design to further reduce the volume of the GNSS positioning terminal after being assembled.
The following describes the components of the GNSS positioning terminal of the present embodiment and their connection relationship in detail with reference to fig. 1 and fig. 2:
a GNSS antenna, in the present embodiment, a small high-precision antenna with a model number of Tallysman TW3972E is selected as the GNSS antenna, so as to further reduce the volume of the GNSS positioning terminal; the GNSS antenna has the capability of receiving satellite signals of four GNSS systems, namely GPS, GLONASS (Glonass satellite positioning system), BeiDou (Beidou satellite positioning system) and Galileo (Galileo satellite positioning system), and can specifically receive GPS L1/L2/L5, GLONASS G1/G2/G3, BeiDou B1/B2 and Galileo E1/E5a + bGNSS signals; the GNSS antenna is corrected through an antenna phase center, has strong multipath and LTE frequency band (namely frequency bands occupied by telecom, Unicom and mobile operators) interference resistance, and can transmit received GNSS signals to a GNSS processing module through a GNSS signal output interface for processing.
The GNSS processing module comprises a signal processing circuit which is composed of an amplifying circuit, a mixing circuit, an A/D conversion circuit and the like, can amplify, mix, A/D convert and the like the received GNSS signals to obtain original observation data, and transmits the original observation data to the data processing unit through an output interface of the GNSS processing module. The GNSS processing module can realize the acquisition and tracking of GNSS signals and has the capability of outputting observation data and broadcast ephemeris of a GPS/BDS (Beidou)/GLONASS/Galileo four-large GNSS system.
The data processing unit is of an Arm + Linux architecture, an input interface of the data processing unit is connected with an output interface of the GNSS processing module and used for receiving original observation data, an output interface of the data processing unit is used for outputting satellite positioning calculation results, and the data processing unit is provided with communication interfaces such as a USB interface, a wired network interface, a Bluetooth interface and a WiFi interface. The data processing unit can acquire and store original observation data obtained by the GNSS processing module and reference observation data (such as reference station observation data or network correction data stream) received by the USB interface, the wired network interface, the Bluetooth and the WiFi communication interface in real time, and adopts GNSS data processing software inside the data processing unit to process the original observation data and the reference observation data to realize positioning resolving under three modes of precise single-point positioning, RTK positioning and pseudo-range single-point positioning, and the resolving result can be output in real time through the communication network or the data interface or stored in a storage module of the data processing unit in a file form.
The power input interface of the power conversion module is connected with a 18650 battery box consisting of three 18650 batteries, a 12V power supply provided by the battery box is reduced by the power conversion module to obtain 5V output voltage and 3.3V output voltage respectively, the 5V output voltage is used for supplying power to the data processing unit, and the 3.3V output voltage is used for supplying power to the GNSS processing module. The circuit diagram of the power conversion module is shown in fig. 3, the power conversion module includes two voltage reduction modules, one of the voltage reduction modules reduces a 12V power supply (i.e., VCC12) to a 5V power supply (i.e., VCC5) by using a switching voltage regulator (i.e., U1) of a model LM2596, and the VCC5 is connected to P2 to supply power to the data processing unit; the other voltage reduction module reduces the 12V power supply to a 3.3V power supply (namely VCC3.3) by using a voltage regulator (namely U2) with the model number of APE1084H, and the VCC3.3 is connected with P1 to supply power for the GNSS processing module; the model of the GNSS processing module is Novatel OEM 615.
In summary, in the GNSS positioning terminal of this embodiment, a power supply is led out from a 18650 battery box and is respectively supplied to the GNSS processing module and the data processing unit after passing through the power supply conversion module, a GNSS signal is received by the GNSS antenna and is then transmitted to the GNSS processing module to be processed to obtain raw observation data, the GNSS processing module inputs the raw observation data into the data processing unit, the data processing unit performs positioning calculation processing on the raw observation data and reference observation data obtained from other interfaces according to user settings to obtain a precise positioning result, and outputs the precise positioning result through a wired or wireless communication interface according to the user settings and a specified format.
The GNSS positioning terminal has the advantages that the GNSS positioning terminal has the characteristic of small size due to the fact that the stack structure design is adopted among all parts of the GNSS positioning terminal and the power supply conversion module is designed on the front side and the back side, and further the small high-precision GNSS antenna is adopted, so that the GNSS positioning terminal has the characteristic of light weight, labor intensity of measurement operation can be reduced, and the GNSS positioning terminal is better suitable for small-sized unmanned platform environments with small load and small space; in addition, the GNSS antenna has the capability of receiving satellite signals of four GNSS systems, namely, GPS, GLONASS, BeiDou and Galileo, and the data processing unit can realize 3 positioning resolving modes, so that the GNSS positioning terminal of the embodiment can be flexibly arranged on various platforms to perform precise position measurement according to the specific measurement technical requirements of various platforms and carriers, and has good adaptability and the capability of executing various tasks.
The GNSS positioning terminal of this embodiment includes a storage battery and a power conversion module, and the storage battery and the power conversion module constitute a power supply module, and as another embodiment, the power supply module of the GNSS positioning terminal may also adopt other existing modes, as long as the power supply module includes two power supply output interfaces, one of which is connected to the GNSS processing module, and the other is connected to the data processing unit, and the GNSS antenna, the GNSS processing module, the data processing unit, and the power supply module in the GNSS positioning terminal are sequentially stacked from top to bottom.
Claims (6)
1. A GNSS positioning terminal, comprising:
the GNSS antenna comprises a GNSS signal output interface;
the input interface of the GNSS processing module is connected with the GNSS signal output interface;
the input interface of the data processing unit is connected with the output interface of the GNSS processing module;
the power supply module comprises two power supply output interfaces, one power supply output interface is connected with the GNSS processing module, and the other power supply output interface is connected with the data processing unit;
the GNSS antenna, the GNSS processing module, the data processing unit and the power supply module are sequentially overlapped from top to bottom.
2. The GNSS positioning terminal of claim 1, wherein the power supply module comprises a storage battery and a power conversion module, the power conversion module comprises a power input interface, a first power output interface and a second power output interface, the power input interface is connected to the storage battery, the first power output interface is connected to the GNSS processing module, and the second power output interface is connected to the data processing unit.
3. The GNSS positioning terminal of claim 2, wherein the first power output interface is disposed on a front side of the power conversion module, and the second power output interface is disposed on a back side of the power conversion module, the front side is a side of the power conversion module connected to the GNSS processing module, and the back side is a side of the power conversion module connected to the data processing unit.
4. The GNSS positioning terminal according to any of the claims 1-3, characterized in that the model of the GNSS antenna is Tallysman TW 3972.
5. The GNSS positioning terminal of any of claims 1 to 3, wherein the data processing unit employs an Arm + Linux architecture.
6. The GNSS positioning terminal according to any of claims 1-3, wherein the data processing unit further comprises a communication interface, the communication interface comprising a USB interface, a wired network port, a Bluetooth interface and a WiFi interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021597747.7U CN212932963U (en) | 2020-08-04 | 2020-08-04 | GNSS positioning terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021597747.7U CN212932963U (en) | 2020-08-04 | 2020-08-04 | GNSS positioning terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212932963U true CN212932963U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021597747.7U Active CN212932963U (en) | 2020-08-04 | 2020-08-04 | GNSS positioning terminal |
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| CN (1) | CN212932963U (en) |
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- 2020-08-04 CN CN202021597747.7U patent/CN212932963U/en active Active
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