CN211826534U - Self-switching differential positioning system - Google Patents
Self-switching differential positioning system Download PDFInfo
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- CN211826534U CN211826534U CN202020046160.0U CN202020046160U CN211826534U CN 211826534 U CN211826534 U CN 211826534U CN 202020046160 U CN202020046160 U CN 202020046160U CN 211826534 U CN211826534 U CN 211826534U
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Abstract
The utility model discloses a self-switching differential positioning system, which comprises a reference station and a mobile station; the reference station comprises a satellite receiver A, a transmitting radio station and a self-switching controller A which is respectively connected with the satellite receiver A and the transmitting radio station; the mobile station comprises a satellite receiver B, a receiving radio station, a collector and a self-switching controller B; the collector is connected with a satellite receiver B, the satellite receiver B is connected with a self-switching controller B, and the self-switching controller B is connected with a receiving radio station; 4G modules are arranged in the self-switching controller B and the self-switching controller A; the differential positioning system can realize free switching between a 4G transmission mode and a radio station transmission mode; the radio station transmission mode is adopted in a short distance, the 4G transmission mode is automatically switched to be adopted in a long distance, the reliability of data transmission is guaranteed, and meanwhile, the flow resource is saved to the maximum extent.
Description
Technical Field
The utility model relates to a differential positioning technical field, concretely relates to from switching differential positioning system.
Background
A general differential positioning system includes a reference station, a mobile station; the reference station comprises a satellite receiver and a transmitting radio station; the mobile station comprises a satellite receiver, a receiving radio station and a collector; when the survey is carried out in the field, because the transmission distance between a transmitting radio station and a receiving radio station is limited by the transmission power, if the distance between a reference station and a mobile station is too far and is about 8km, a signal is extremely unstable, and the fixed time is prolonged when the distance is far; when the data is lost, and the network transmission is simply adopted, the field operation needs data flow resources, a certain cost is generated, and the data loss also occurs under the condition of poor signals, so that the measurement is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a self-switching differential positioning system, which adopts two modes of radio station transmission and 4G transmission and can automatically switch, thus solving the problems that when the radio station is used for transmission only for about 8km, the signal is extremely unstable, and the fixed time is prolonged when the distance is long; when the data is lost, and the network transmission is simply adopted, the field operation needs data flow resources, a certain cost is generated, and the problem of influence on measurement caused by the data loss can also occur under the condition of poor signals.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
a self-switching differential positioning system comprises a reference station and a mobile station; the reference station comprises a satellite receiver A, a transmitting radio station and a self-switching controller A which is respectively connected with the satellite receiver A and the transmitting radio station; the mobile station comprises a satellite receiver B, a receiving radio station, a collector and a self-switching controller B; the collector is connected with a satellite receiver B, the satellite receiver B is connected with a self-switching controller B, and the self-switching controller B is connected with a receiving radio station; and 4G modules are arranged in the self-switching controller B and the self-switching controller A.
Preferably, the self-switching controller B and the self-switching controller A are externally provided with a shell, a control circuit board is arranged in the shell, and the 4G module is arranged on the control circuit board; two sides of the shell are respectively provided with 1 DB9 interface, and one side of the shell is provided with a wiring terminal; the self-switching controller A is connected with and controls the access power supply of the transmitting radio station through a wiring terminal; the self-switching controller B is connected with and controls the access power supply of the receiving radio station through a wiring terminal; the self-switching controller A is respectively connected with the satellite receiver A and the transmitting radio station through two DB9 interfaces on two sides; the self-switching controller B is respectively connected with the satellite receiver B and the receiving radio station through two DB9 interfaces at two sides;
preferably, two indicator lamps are mounted on the housing of the self-switching controller B; respectively indicating a 4G transmission mode and a radio station transmission mode; the two indicating lamps are connected with the control circuit board.
Preferably, the control circuit board is further provided with an MAX485 module, a single chip microcomputer and a relay; the single chip microcomputer is respectively connected with two DB9 interfaces through two MAX485 modules; the 4G module is connected and communicated with the single chip microcomputer; the single chip microcomputer controls the connecting terminal to be connected with a power supply through the relay; the single chip microcomputer is connected with the indicator lamp.
Compared with the prior art, the utility model discloses following beneficial effect has:
the differential positioning system can realize free switching between a 4G transmission mode and a radio station transmission mode; the radio station transmission mode is adopted in a short distance, and the 4G transmission mode is automatically switched to be adopted in a long distance, so that the reliability of data transmission is guaranteed, and meanwhile, the flow resource is saved to the maximum extent; in addition, the system can completely cut off the power supply of the radio station in a 4G transmission mode, the overall power consumption of the system is low, and the standby time of battery equipment is long during field measurement.
Drawings
Fig. 1 is a schematic diagram of a structure of a self-switching differential positioning system according to the present invention;
fig. 2 is a schematic structural diagram of a self-switching controller in a self-switching differential positioning system according to the present invention;
fig. 3 is a circuit diagram of a self-switching controller in a self-switching differential positioning system according to the present invention.
In the figure: the system comprises a reference station 1, a mobile station 2, a satellite receiver A3, a self-switching controller A4, a transmitting radio station 5, a receiving radio station 6, a collector 7, a satellite receiver B8, a self-switching controller B9 casing 41, an indicator lamp 42, an antenna 43, a wiring terminal 44, a DB9 interface 45, an MAX485 module 46, a single chip microcomputer 47, a 4G module 48, a relay 49 and a control circuit board 50.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described;
referring to fig. 1, a self-switching differential positioning system includes a reference station 1 and a mobile station 2; the reference station 1 comprises a satellite receiver A3, a transmitting radio station 5 and a self-switching controller A4 respectively connected with the satellite receiver A3 and the transmitting radio station 5; the mobile station 2 comprises a satellite receiver B8, a receiving radio station 6, a collector 7 and a self-switching controller B9; the collector 7 is connected with a satellite receiver B8, a satellite receiver B8 is connected with a self-switching controller B9, and a self-switching controller B9 is connected with a receiving radio station 6; the 4G module 48 is arranged in the self-switching controller B9 and the self-switching controller A4.
In specific implementation, the reference station 1 acquires data through the satellite receiver A3, and transmits the data to the mobile station 2 from the transmitting station 5 to the receiving station 6 after passing through the self-switching controller a 4; the receiving radio station 6 receives the data, transmits the data to the satellite receiver B8 through the self-switching controller B9, and finally sends the data to the collector for calculation and recording; when the self-switching controller B9 detects that the data packet of the receiving radio station 6 is lost, the receiving radio station 6 is controlled to power off and a switching instruction is sent to the self-switching controller a4 through the 4G module 48, and the self-switching controller a4 closes the transmitting radio station 5 to directly transmit data through the 4G module 48 inside the self-switching controller, so as to form a 4G transmission mode; in the transmission process, the receiving radio station 6 and the transmitting radio station 5 can be started to try data communication discontinuously, and if the monitoring data are not lost for many times, the mode of radio station transmission is automatically recovered.
Specifically, the self-switching controller B9 and the self-switching controller a4 are externally provided with a shell 41, the control circuit board 50 is installed in the shell 41, and the 4G module 48 is arranged on the control circuit board 50; two sides of the shell 41 are respectively provided with 1 DB9 interface 45; one side is provided with a wiring terminal 44; the connection terminal 44 of the self-switching controller a4 controls the access power supply of the transmitting radio station 5; the connection terminal 44 of the self-switching controller B9 controls the access power supply of the receiving station 6; the self-switching controller A4 is respectively connected with the satellite receiver A3 and the transmitting radio station 5 through two DB9 interfaces 45 at two sides; the self-switching controller B9 is respectively connected with the satellite receiver B8 and the receiving radio station 6 through two DB9 interfaces 45 at two sides;
specifically, two indicator lamps 42 are mounted on the housing 41 of the self-switching controller B9; respectively indicating a 4G transmission mode and a radio station transmission mode; two indicator lights 42 are connected to the control circuit board 50.
As shown in fig. 3, specifically, the control circuit board 50 is further provided with an MAX485 module 46, a single chip 47, and a relay 49; the single chip microcomputer 47 is respectively connected with the two DB9 interfaces 45 through the two MAX485 modules 46; the 4G module 48 is connected with the singlechip 47; the single chip microcomputer 47 controls the connecting terminal 44 to be connected with a power supply through the relay 49, and the control of the power supply connected with the transmitting radio station 5 or the receiving radio station 6 is realized; two pilot lamps 42 are connected with singlechip 47, realize the control of pilot lamp.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts should be covered by the protection scope of the present invention.
Claims (4)
1. A self-switching differential positioning system comprises a reference station and a mobile station; the method is characterized in that: the reference station comprises a satellite receiver A, a transmitting radio station and a self-switching controller A which is respectively connected with the satellite receiver A and the transmitting radio station; the mobile station comprises a satellite receiver B, a receiving radio station, a collector and a self-switching controller B; the collector is connected with a satellite receiver B, the satellite receiver B is connected with a self-switching controller B, and the self-switching controller B is connected with a receiving radio station; and 4G modules are arranged in the self-switching controller B and the self-switching controller A.
2. A self-switching differential positioning system as defined in claim 1, wherein: the self-switching controller B and the self-switching controller A are externally provided with a shell, a control circuit board is arranged in the shell, and the 4G module is arranged on the control circuit board; two sides of the shell are respectively provided with 1 DB9 interface, and one side of the shell is provided with a wiring terminal; the self-switching controller A is connected with and controls the access power supply of the transmitting radio station through a wiring terminal; the self-switching controller B is connected with and controls the access power supply of the receiving radio station through a wiring terminal; the self-switching controller A is respectively connected with the satellite receiver A and the transmitting radio station through two DB9 interfaces on two sides; the self-switching controller B is respectively connected with the satellite receiver B and the receiving station through two DB9 interfaces at two sides.
3. A self-switching differential positioning system as defined in claim 2, wherein: two indicator lamps are arranged on the shell of the self-switching controller B; respectively indicating a 4G transmission mode and a radio station transmission mode; the two indicating lamps are connected with the control circuit board.
4. A self-switching differential positioning system as defined in claim 3, wherein: the control circuit board is also provided with an MAX485 module, a singlechip and a relay; the single chip microcomputer is respectively connected with two DB9 interfaces through two MAX485 modules; the 4G module is connected and communicated with the single chip microcomputer; the single chip microcomputer controls the connecting terminal to be connected with a power supply through the relay; the single chip microcomputer is connected with the indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046160.0U CN211826534U (en) | 2020-01-10 | 2020-01-10 | Self-switching differential positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046160.0U CN211826534U (en) | 2020-01-10 | 2020-01-10 | Self-switching differential positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211826534U true CN211826534U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020046160.0U Active CN211826534U (en) | 2020-01-10 | 2020-01-10 | Self-switching differential positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211826534U (en) |
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2020
- 2020-01-10 CN CN202020046160.0U patent/CN211826534U/en active Active
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