CN203385861U - Global navigation satellite system (GNSS) large power differential base station - Google Patents
Global navigation satellite system (GNSS) large power differential base station Download PDFInfo
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- CN203385861U CN203385861U CN201320289059.8U CN201320289059U CN203385861U CN 203385861 U CN203385861 U CN 203385861U CN 201320289059 U CN201320289059 U CN 201320289059U CN 203385861 U CN203385861 U CN 203385861U
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Abstract
The utility model relates to a GNSS large power differential base station. The GNSS large power differential base station comprises a satellite signal reception and differential treatment module, a central processing unit and a large power data transfer radio which are in communication connection orderly. The satellite signal reception and differential treatment module comprises a satellite reception antenna, a radio frequency front-end circuit, an analog to digital conversion circuit and a digital signal differential treatment unit which are electrically connected orderly. The large power data transfer radio comprises an emission unit, an environmental field intensity automatic detection module and a control unit which is connected with the emission unit and the environmental field strength automatic detection module, is used to receive the interference field intensities detected by the environmental field intensity automatic detection module and under different frequency bands, compare and judge the frequency band having the minimum interference as a work frequency band, and indicate the emission unit to transmit data outwards under the work frequency band, and is in communication connection with the central processing unit. The GNSS large power differential base station highly integrates the various modules must needed to realize the difference and including a satellite positioning receiver and the data transfer radio, is convenient to use, overhaul and upgrade.
Description
Technical field
The utility model relates to that a kind of this equipment can improve the satnav precision for satnav provides the equipment of differential signal, is mainly used in the middle of the driving efficiency examination accurately location examination vehicle.
Background technology
Need to understand in real time the examination vehicle position in examination of driver, usually adopt satnav to realize, but because the satnav precision is compared examination of driver and is needed precision to have certain gap, therefore often adopt the method for difference to improve positioning precision, it is the satellite positioning receiver that other setting can provide difference (or reference) signal, the recycling data radio station sends to the Vehicular satellite location receiver on examination vehicle by difference (or reference) signal, the Vehicular satellite location receiver utilizes difference (or reference) signal to be revised the measured value of oneself, thereby draw more accurate position solution.
Under prior art, for the satellite positioning receiver that difference (or reference) signal is provided and the data radio station that sends difference (or reference) signal, be discrete separately, they need a special adapter to realize the communication of itself and PC separately, and also need on PC, manage respectively by corresponding management software of each self-operating simultaneously, comprise parameter that reads satellite positioning receiver and data radio station etc., equipment is various, and complex operation is unfavorable for operation and maintenance.
The utility model content
For overcoming the above-mentioned defect of prior art, the utility model provides the high-power difference base station of a kind of GNSS, has realized comprising that the height of realizing the necessary multiple module of difference of satellite positioning receiver and data radio station is integrated, convenient use, maintenance and upgrading.
The technical solution of the utility model is:
The high-power difference base station of a kind of GNSS, comprise the satellite signal receiving and difference processing module, CPU (central processing unit) and the high-power data radio station that communicate to connect successively.
Described satellite signal receiving can comprise with the difference processing module satellite earth antenna, radio-frequency (RF) front-end circuit, analog to digital conversion circuit and the digital difference signal divisional processing unit be electrically connected to successively, digital difference signal divisional processing unit and CPU (central processing unit) communication connection.
Signal in described satellite signal receiving and difference processing module receives submodule and receives submodule for one or more the signal that can receive in gps signal, GLONASS signal, Compass signal and Galileo signal.
Described CPU (central processing unit) also is connected with memory device, load module, output display module.
Described CPU (central processing unit) also preferably is connected with PC PORT COM circuit.
The high-power difference base station of described GNSS can also be provided with as described satellite signal receiving and difference processing module, CPU (central processing unit) and the large power supply of high-power data radio station power supply and the power management module that described large power supply is carried out to power supply management.
Described large power supply is preferably wide temperature military products level power supply.
For the high-power difference base station of above-mentioned any one described GNSS, described high-power data radio station preferably includes interference field strength under transmitter unit, environment field intensity automatic detection module and the different frequency range detected for reception environment field intensity automatic detection module be connected with described transmitter unit and environment field intensity automatic detection module, relatively judgement disturbs minimum frequency range as working frequency range, the indication transmitter unit outside control module of transmission data under working frequency range, and control module communicates to connect with CPU (central processing unit).
Described high-power data radio station can also comprise the lightning protection device arranged for transmitter unit.
The frequency centre frequency of described high-power data radio station is preferably 433MHz.
The beneficial effects of the utility model are:
1, highly integrated: by satellite signal receiving and difference processing module, high-power data radio station, power management module, memory device, CPU (central processing unit) (being the CPU Intelligent management module), load module, output display module integration an equipment the inside, reduced the bookkeeping of each lengthy and tedious module, simplified and produced the debugging flow process parameter etc. of radio station, GPS board (as read), be convenient to mass production.
2, device upgrade is convenient: high-power data radio station and satellite signal receiving and difference processing module be likely upgrading all, even can change the product of other producer, only need in this case to change the corresponding module information in CPU (central processing unit), can coordinate, control the module work of new replacing.
3, maintenance is convenient: the OLED displaying information on screen is abundant, can help fast technician's judgment device fault type, can help technician's handling failure fast, convenient maintenance.
The accompanying drawing explanation
Fig. 1 is the structure composition frame chart of an embodiment of the present utility model.
Embodiment
As shown in Figure 1, the utility model provides the high-power difference base station of a kind of GNSS, the GNSS signal receiver of cooperation, this GNSS signal connects for monitoring the error of GNSS system, and the time interval in accordance with regulations issues update information to proofread and correct oneself measurement result or position solution with corrected signal with the receipts machine.The high-power difference base station of described GNSS comprises that satellite signal receiving and difference processing module, the CPU (central processing unit) of communication connection (also can be described as the CPU Intelligent management module successively, be called for short CPU) and high-power data radio station (abbreviation high power station), realized wireless transmission integrated of data after satellite signal receiving, processing and processing on same equipment.Adopt high-power data radio station can make transmission range cover radius 10km scope.
Described satellite signal receiving can comprise with the difference processing module satellite earth antenna, radio-frequency (RF) front-end circuit, analog to digital conversion circuit and the digital difference signal divisional processing unit be electrically connected to successively, digital difference signal divisional processing unit and CPU (central processing unit) communication connection.Satellite earth antenna and radio-frequency (RF) front-end circuit combine for receiving satellite positioning signals; Analog to digital conversion circuit, for received satellite positioning signal is sampled, produces sample of signal; The digital difference signal divisional processing unit, for the treatment of described sample of signal, obtains pseudorange, phase place as corrected signal through Difference Calculation.
Signal in described satellite signal receiving and difference processing module receives submodule and receives submodule for one or more the signal that can receive in gps signal, GLONASS signal, Compass signal and Galileo signal.The gps signal reception submodule that only can receive gps signal of take is example, analog-digital conversion circuit as described and digital difference signal divisional processing unit can be integrated on a GPS board, and can select the product of the well-known manufacturer of import, to guarantee the stability of RTK precision, realize the favorable compatibility of differential data.
High-power data radio station and satellite signal receiving and difference processing module be likely upgrading all, even can change the product of other producer, only need in this case to change the corresponding module information in CPU (central processing unit), can coordinate, control the module work of new replacing.
Described CPU (central processing unit) also is connected with memory device, load module, output display module.Described load module can be keyboard, and described output display module can be the OLED display screen.Communication baud rate, difference scheme by keyboard to set up GPS board, set emissive power, frequency, aerial baud rate, the interface baud rate of high-power data radio station, the baud rate that set to connect pc port, and can by button operation by above parameter display on the OLED screen.In addition, above parameter also is stored in memory device.On the OLED screen except can show above-mentioned parameter, the units/modules information of each ingredient in the time of can also showing the location latitude and longitude coordinates of this base station and the each power-on self-test in this base station.
The OLED displaying information on screen is abundant, can help fast technician's judgment device fault type, can help technician's handling failure fast, convenient maintenance.
Described CPU (central processing unit) also preferably is connected with PC PORT COM circuit, when CPU (central processing unit) needs software upgrading, can be undertaken by PC PORT COM circuit, realizes exempting from dismounting.
The high-power difference base station of described GNSS can also be provided with as described satellite signal receiving and difference processing module, CPU (central processing unit) and the large power supply of high-power data radio station power supply and the power management module that described large power supply is carried out to power supply management, guarantee enough power and communication distance, realize the communication coverage required.Described large power supply is preferably wide temperature military products level power supply, can guarantee to work in the environment of-40 ℃ to 80 ℃, can be follow-up equipment stable, abundant electric power is provided.
By satellite signal receiving and difference processing module, high-power data radio station, power management module, memory device, CPU (central processing unit), load module, output display module integration an equipment the inside, reduced the bookkeeping of each lengthy and tedious module, simplified and produced the debugging flow process parameter etc. of radio station, GPS board (as read), be convenient to mass production.
For the high-power difference base station of above-mentioned any one described GNSS, described high-power data radio station preferably includes interference field strength under transmitter unit, environment field intensity automatic detection module and the different frequency range detected for reception environment field intensity automatic detection module be connected with described transmitter unit and environment field intensity automatic detection module, relatively judgement disturbs minimum frequency range as working frequency range, the indication transmitter unit outside control module of transmission data under working frequency range, and control module communicates to connect with CPU (central processing unit).The main transmitter of transmitter unit is antenna.
After described high-power difference base station powers on, environment field intensity automatic detection module detects interference field strength corresponding to each legal effective communication frequency band automatically, and control module selects relatively to disturb the working frequency range of minimum frequency range as high-power data radio station according to testing result.
Described high-power data radio station also is provided with lightning protection device.The frequency centre frequency of described high-power data radio station is preferably 433MHz, amateur band, and emissive power 5-30W is adjustable, can the wireless administration commission declaration to various places smoothly.
Claims (9)
1. the high-power difference base station of GNSS, it is characterized in that comprising satellite signal receiving and the difference processing module of communication connection successively, CPU (central processing unit) and high-power data radio station, described high-power data radio station comprises transmitter unit, environment field intensity automatic detection module and interference field strength under the different frequency range detected for reception environment field intensity automatic detection module be connected with described transmitter unit and environment field intensity automatic detection module, relatively judgement disturbs minimum frequency range as working frequency range, the indication transmitter unit outwards transmits the control module of data under working frequency range, control module and CPU (central processing unit) communication connection.
2. the high-power difference base station of GNSS as claimed in claim 1, it is characterized in that described satellite signal receiving and difference processing module comprise satellite earth antenna, radio-frequency (RF) front-end circuit, analog to digital conversion circuit and the digital difference signal divisional processing unit be electrically connected to successively, digital difference signal divisional processing unit and CPU (central processing unit) communication connection.
3. the high-power difference base station of GNSS as claimed in claim 2, is characterized in that signal in described satellite signal receiving and difference processing module receives submodule and receives submodule for one or more the signal that can receive in gps signal, GLONASS signal, Compass signal and Galileo signal.
4. the high-power difference base station of GNSS as claimed in claim 3, is characterized in that described CPU (central processing unit) also is connected with memory device, load module, output display module.
5. the high-power difference base station of GNSS as claimed in claim 4, is characterized in that described CPU (central processing unit) also is connected with PC PORT COM circuit.
6. the high-power difference base station of GNSS as claimed in claim 5, is characterized in that also being provided with for described satellite signal receiving and difference processing module, CPU (central processing unit) and the large power supply of high-power data radio station power supply and the power management module that described large power supply is carried out to power supply management.
7. the high-power difference base station of GNSS as claimed in claim 6, is characterized in that described large power supply is wide temperature military products level power supply.
8. as claim 1,2,3,4,5, the high-power difference base station of 6 or 7 described GNSS, it is characterized in that described high-power data radio station also comprises the lightning protection device arranged for transmitter unit.
9. the high-power difference base station of GNSS as claimed in claim 8, is characterized in that described high-power data radio station frequency centre frequency is 433MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320289059.8U CN203385861U (en) | 2013-05-24 | 2013-05-24 | Global navigation satellite system (GNSS) large power differential base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320289059.8U CN203385861U (en) | 2013-05-24 | 2013-05-24 | Global navigation satellite system (GNSS) large power differential base station |
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| Publication Number | Publication Date |
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| CN203385861U true CN203385861U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320289059.8U Expired - Lifetime CN203385861U (en) | 2013-05-24 | 2013-05-24 | Global navigation satellite system (GNSS) large power differential base station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077558A (en) * | 2019-12-25 | 2020-04-28 | 交控科技股份有限公司 | Positioning system of rail vehicle and rail transit system |
| CN116233856A (en) * | 2023-05-05 | 2023-06-06 | 国网信息通信产业集团有限公司 | MESH ad hoc network communication device and method based on emergency communication system |
-
2013
- 2013-05-24 CN CN201320289059.8U patent/CN203385861U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077558A (en) * | 2019-12-25 | 2020-04-28 | 交控科技股份有限公司 | Positioning system of rail vehicle and rail transit system |
| CN116233856A (en) * | 2023-05-05 | 2023-06-06 | 国网信息通信产业集团有限公司 | MESH ad hoc network communication device and method based on emergency communication system |
| CN116233856B (en) * | 2023-05-05 | 2023-10-27 | 国网信息通信产业集团有限公司 | MESH ad hoc network communication device and method based on emergency communication system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |