CN207380245U - GNSS difference compatibles - Google Patents
GNSS difference compatibles Download PDFInfo
- Publication number
- CN207380245U CN207380245U CN201721522830.6U CN201721522830U CN207380245U CN 207380245 U CN207380245 U CN 207380245U CN 201721522830 U CN201721522830 U CN 201721522830U CN 207380245 U CN207380245 U CN 207380245U
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- Prior art keywords
- navigation neceiver
- navigation
- receiver
- board
- work
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of GNSS difference compatible, sets active point of amplification board, navigation neceiver A, navigation neceiver B and interface board, navigation neceiver A identical with navigation neceiver B including machine shell and 3 external GNSS antennas, in the machine shell；3 external GNSS antennas divide amplification board to be connected by 3 antenna rf input terminals with work(respectively, work(divides amplification board to be connected by 3 amplification board RF output ends with navigation neceiver A, work(divides amplification board to be connected by 3 amplification board RF output ends with navigation neceiver B, work(divides amplification board by being connected outside 3 for RF output end with external receiver, navigation neceiver A and navigation neceiver B are connected with interface board, and interface board handles computer with peripheral signal by external interface end and is connected.It is reasonable that there is device described in the utility model antenna to set, and signal receives stable, high reliability.
Description
Technical field
The utility model is related to the GNSS difference compatibles of spacecraft.
Background technology
GNSS difference compatible mainly provides the relative position and speed with space base station in system application to aircraft.
During aircraft flight, the posture of aircraft and blocking for space base station, the antenna that GNSS difference compatibles can be set
Negligible amounts, reliability is poor in actual use.
The content of the invention
（One）Goal of the invention：To solve above-mentioned problems of the prior art, the purpose of this utility model is to provide one
Kind GNSS difference compatibles, are on the one hand designed with rational part placement, another to realize the miniaturization of equipment and rationalization
Aspect realizes the excellent heat dispersion performance of equipment by each component of rationally arranging.
（Two）Technical solution：In order to solve the above-mentioned technical problem, the technical program provides a kind of GNSS difference compatible, bag
Include machine shell；
Active point of amplification board, navigation neceiver A, navigation neceiver B and interface board, navigation neceiver are set in machine shell
A is identical with navigation neceiver B；
3 antenna rf input terminals, 6 amplification board RF output ends are provided on machine shell, are exported for radio frequency outside 3
End, 3 receiver A rf inputs, 3 receiver B rf inputs, receiver A input end of clock, connect external interface end
Receipts machine B input end of clock；
3 antenna rf input terminals divide amplification board to be connected with work(, and 6 amplification board RF output ends divide amplification board to connect with work(
It connecing, with work(amplification board is divided to be connected for RF output end outside 3,3 receiver A rf inputs are connected with navigation neceiver A, and 3
A receiver B rf inputs are connected with navigation neceiver B, and external interface end is connected with interface board, receiver A input end of clock
It is connected with navigation neceiver A, receiver B input end of clock is connected with navigation neceiver B；
Demarcation strip is equipped in machine shell, are divided into overhead by the inner space of machine shell for demarcation strip and bottom is empty
Between, work(divides amplification board to be mounted on overhead, and navigation neceiver A, navigation neceiver B, interface board are mounted on bottom space；
Work(divides amplification board to be equipped with full page heat dissipation copper mesh, and the edge of full page heat dissipation copper mesh is contacted with machine shell inner wall, led
The receiver A and navigation neceiver B that navigates is mounted on by reinforcing brace frame on machine shell, reinforcing brace frame and navigation neceiver A,
Thermal conductive silicon fat pad is equipped between navigation neceiver B.
Preferably, machine shell is equipped with upper through the radiating block or heat sink set, radiating block or heat sink and full page
The EDGE CONTACT of heat dissipation copper mesh, radiating block or heat sink are contacted with thermal conductive silicon fat pad.
Preferably, reinforcing brace frame include retaining wedge, retaining wedge include linking arm, fixed clamp plate, adjustable grip block and
Adjustment bolt, fixed clamp plate are connected by adjusting bolt with adjustable grip block, fixed clamp plate and adjustable grip block phase up and down
To setting, fixed clamp plate on adjustable grip block opposite face with being provided with thermal conductive silicon fat pad.
Preferably, reinforcing brace frame is symmetrically arranged with four pairs of retaining wedges, and two pairs of retaining wedges fix navigation neceiver A, two pairs
Retaining wedge fixes navigation neceiver B.
Preferably, linking arm is thermal conductive metal plate, and linking arm overlaps contact area more than itself face with reinforcing brace frame
Long-pending 50%.
Preferably, demarcation strip has been to support the tablet of fixation or be the flase floor of easy heat radiation or be not easy heat radiation
Thermal insulation board.
Preferably, 3 external GNSS antennas divide amplification board to be connected by 3 antenna rf input terminals with work(；
Work(divides amplification board to connect by 3 amplification board RF output ends, 3 receiver A rf inputs and navigation neceiver A
It connects, work(divides amplification board to be connected by 3 amplification board RF output ends, 3 receiver B rf inputs with navigation neceiver B, work(
Divide amplification board by being connected outside 3 for RF output end with external receiver；
Navigation neceiver A is connected with interface board, and navigation neceiver B is connected with interface board；
Navigation neceiver A is connected by receiver A input end of clock with external clock A, and navigation neceiver B passes through receiver
B input end of clock is connected with external clock B；
Interface board handles computer with peripheral signal by external interface end and is connected；
Power supply module divides amplification board to be connected with work(, and power supply module is connect by ON-OFF control circuit and navigation neceiver A, navigation
Receipts machine B is connected respectively.
Preferably, work(divides amplification board model DTVA-03.
Preferably, navigation neceiver A, which includes radio-frequency module, baseband module and navigation processing module, navigation neceiver B, includes
Radio-frequency module, baseband module and navigation processing module.
Preferably, interface board include LVDS interface, 422 interface of pulse per second (PPS), survey 422 interfaces on 422 interfaces and star.
Preferably, ON-OFF control circuit control navigation neceiver A is in open state, and navigation neceiver B is closed as backup
Machine state, when navigation neceiver A breaks down, ON-OFF control circuit control navigation neceiver B start work.
Preferably, 3 GNSS antennas receive satellite-signal, and satellite-signal divides amplification board to be divided into 9 road signals by work(,
In, 6 road satellite signal transits to navigation neceiver A or navigation neceiver B, 3 road satellite signal transits to external receiver, navigation
The radio-frequency module of receiver A or navigation neceiver B processing satellite-signal are converted into baseband mode signal, and baseband module is to base band mould
Formula signal is demodulated despreading, capture, tracking, synchronization, observation information and navigation message extraction, while baseband module is also to base station
The data of transmission measure information and navigation message extraction, and for the data transmission of extraction to processing module of navigating, navigation handles mould
Block carries out the signal of 3 GNSS antennas fusion reduction, Differential positioning clearing, and signal is exported by interface board.
（Three）Advantageous effect：GNSS difference compatible provided by the utility model has the following advantages：
（1）Each component set-up mode of the present apparatus is reasonable, heat dissipation design function admirable；
（2）The present apparatus uses the working method of two-shipper cold standby, and navigation neceiver A and navigation neceiver B external interfaces are complete
It is complete consistent, by ON-OFF control circuit navigation neceiver A is controlled to be in open state, by navigation neceiver A by navigator fix
Data sending handles computer to peripheral signal, and navigation neceiver B is initially off-mode, is only received in navigation as backup
Machine B starts shooting work when breaking down；
（3）The present apparatus receives the satellite-signal of different directions by triantennary, ensures to carry out satellite-signal comprehensive
It receives, carries out fusion reduction, the data progress Difference Solution with base station again to the satellite-signal that triantennary receives by the present apparatus
It calculates, the information such as relative position, speed of output and base station there is antenna to set reasonable, and it is excellent that signal receives stabilization, reliability height etc.
Point.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model GNSS difference compatibles；
Fig. 2 is the schematic diagram of the utility model GNSS difference compatible embodiments；
Fig. 3 is the schematic diagram of the machine shell of the utility model GNSS difference compatibles；
Fig. 4 is the schematic diagram of the machine shell of the utility model GNSS difference compatibles；
Fig. 5 is the schematic diagram of the reinforcing brace frame of the utility model GNSS difference compatibles；
1- amplification board RF output ends；2- receiver A rf inputs；3- receiver B rf inputs；4- receivers A
Input end of clock；5- receiver B input end of clock；RF output end is supplied outside 6-；7- antenna rf input terminals；8- external interfaces
End；10- machine shells；11- reinforcing brace frames；12- navigation neceivers A；13- linking arms；14- is adjustable grip block；15- adjusts spiral shell
Bolt；16- full pages heat dissipation copper mesh.
Specific embodiment
The utility model is described in further details with reference to preferred embodiment, is elaborated in the following description
More details are in order to fully understand the utility model, and still, the utility model obviously can be different from this description with a variety of
Other modes implement, those skilled in the art can be in the case of without prejudice to the utility model connotation according to practical application
Situation makees similar popularization, deduces, therefore should not limit the scope of protection of the utility model with the content of this specific embodiment.
Fig. 1-5 is the schematic diagram of the embodiment of the utility model, it should be noted that this attached drawing is only as an example, not
It is to be drawn according to the condition of equal proportion, and should not be formed in this, as the actual requirement protection domain to the utility model
Limitation.
The present embodiment provides a kind of GNSS difference compatible, as shown in Figure 1, including machine shell 10 and 3 external GNSS
Antenna, the machine shell 10 is interior to set active point of amplification board, navigation neceiver A, navigation neceiver B and interface board, and navigation receives
Machine A is identical with navigation neceiver B；As shown in Figure 3-4,3 antenna rf input terminals 7,6 are provided on the side wall of machine shell 10
A the receiver A rf inputs 2,3 of amplification board RF output end 1,3 receiver B rf inputs 3, receiver A clocks are defeated
Enter end 4, receiver B input end of clock 5,3 outside for RF output end 6 and external interface end 8；3 external GNSS antenna difference
With work(amplification board is divided to be connected by 3 antenna rf input terminals 7, work(divides amplification board by 3 amplification board RF output ends 1 with leading
Boat receiver A connections, work(divide amplification board to be connected by 3 amplification board RF output ends 1 with navigation neceiver B, and work(divides amplification board
By being connected outside 3 for RF output end 6 with external receiver, navigation neceiver A is by receiver A input end of clock 4 and outside
Portion's clock A connections, navigation neceiver B are connected by receiver B input end of clock 5 with external clock B, navigation neceiver A and are led
Boat receiver B is connected with interface board, and interface board handles computer with peripheral signal by external interface end 8 and is connected；Power supply module
With work(amplification board is divided to be connected；Power supply module is connected respectively by ON-OFF control circuit with navigation neceiver A, navigation neceiver B.
The present apparatus uses the working method of two-shipper cold standby, navigation neceiver A and navigation neceiver B external interfaces complete one
It causes, by ON-OFF control circuit navigation neceiver A is controlled to be in open state, by navigation neceiver A by navigation positioning data
Peripheral signal processing computer is sent to, navigation neceiver B is initially off-mode, only goes out in navigation neceiver B as backup
It starts shooting during existing failure work.
The present apparatus receives the satellite-signal of different directions by triantennary, ensures to carry out comprehensive connect to satellite-signal
It receives, carries out fusion reduction, the data progress difference resolving with base station again to the satellite-signal that triantennary receives by the present apparatus,
The information such as relative position, the speed of output and base station there is antenna to set reasonable, and signal receives stable, high reliability.
As shown in Fig. 2, work(divides amplification board model DTVA-03.Navigation neceiver A include radio-frequency module, baseband module and
Navigation processing module.Interface board include LVDS interface, 422 interface of pulse per second (PPS), survey 422 interfaces on 422 interfaces and star.
E6-A/MC6DR or E6-A/MC6ADR or E6-A/MC6BDR can be selected in the model of navigation neceiver.
ON-OFF control circuit control navigation neceiver A is in open state, and navigation neceiver B is used as backup off-mode,
When navigation neceiver A breaks down, ON-OFF control circuit control navigation neceiver B start work.ON-OFF control circuit includes
Relay, USB controls chip, USB interface, single-chip I/O mouth and PLC interface.
3 GNSS antennas receive satellite-signal, and satellite-signal divides amplification board to be divided into 9 road signals by work(, wherein, 6 tunnels are defended
Star signal transmission is to navigation neceiver A or navigation neceiver B, 3 road satellite signal transits to external receiver, navigation neceiver A
Or the radio-frequency module processing satellite-signal of navigation neceiver B is converted into baseband mode signal, baseband module is to baseband mode signal
Despreading, capture, tracking, synchronization, observation information and navigation message extraction are demodulated, while baseband module is also to base station transmission
Data measure information and navigation message extraction, and the data transmission of extraction is to processing module of navigating, and navigation processing module is to 3
The signal of GNSS antenna carries out fusion reduction, Differential positioning clearing, and signal is exported by interface board.
Demarcation strip is equipped in machine shell 10, overhead and bottom space, work(point are divided into inner space by demarcation strip
Amplification board is mounted on overhead, and navigation neceiver A, navigation neceiver B are mounted on bottom space, navigation neceiver A and navigation
Receiver B is mounted on by reinforcing brace frame 11 on machine shell 10, and reinforcing brace frame 11 and navigation neceiver A12, navigation connect
Thermal conductive silicon fat pad is equipped between receipts machine B, work(divides the PCB circuit board of amplification board to be equipped with full page heat dissipation copper mesh 16, full page radiating copper
The edge of net 16 is contacted with 10 inner wall of machine shell.
As shown in figure 5, reinforcing brace frame 11 includes retaining wedge, retaining wedge includes linking arm 13, fixed clamp plate, adjustable clamp
Hold plate 14 and adjustment bolt 15, fixed clamp plate is connected by adjusting bolt 15 with adjustable grip block 14, fixed clamp plate with can
Grip block is adjusted to be oppositely arranged about 14, fixed clamp plate on adjustable 14 opposite face of grip block with being provided with thermal conductive silicon fat pad.
Reinforcing brace frame 11 is symmetrically arranged with four pairs of retaining wedges, and two pairs of retaining wedges fix navigation neceiver A12, two pairs of clampings
The fixed navigation neceiver B of card.
Linking arm 13 is thermal conductive metal plate, and linking arm 13 overlaps contact area more than itself area with reinforcing brace frame 11
50%.
Present apparatus heat dissipation design is reasonable, has the advantages that circuit board heat-conductive characteristic is excellent.
The above content is the explanations of the preferred embodiment to the invention, those skilled in the art can be helped more to fill
Ground is divided to understand the technical solution of the invention.But these embodiments are merely illustrative, it is impossible to assert the invention
Specific embodiment be only limitted to the explanations of these embodiments.The invention person of an ordinary skill in the technical field is come
It says, without departing from the concept of the premise of the invention, several simple deductions and conversion can also be made, should be all considered as belonging to
The protection domain of the invention.
Claims (10)
1.GNSS difference compatibles, including machine shell, it is characterised in that：
Active point of amplification board, navigation neceiver A, navigation neceiver B and interface board be set in machine shell, navigation neceiver A with
Navigation neceiver B is identical；
3 antenna rf input terminals, 6 amplification board RF output ends are provided on machine shell, outside 3 for RF output end, 3
A receiver A rf inputs, 3 receiver B rf inputs, external interface end, receiver A input end of clock, receiver B
Input end of clock；
3 antenna rf input terminals divide amplification board to be connected with work(, and 6 amplification board RF output ends divide amplification board to be connected with work(, and 3
With work(amplification board is divided to be connected for RF output end outside a, 3 receiver A rf inputs are connected with navigation neceiver A, and 3 connect
Receipts machine B rf inputs are connected with navigation neceiver B, and external interface end is connected with interface board, and receiver A input end of clock is with leading
Boat receiver A connections, receiver B input end of clock are connected with navigation neceiver B；
Demarcation strip is equipped in machine shell, overhead and bottom space are divided into the inner space of machine shell by demarcation strip,
Work(divides amplification board to be mounted on overhead, and navigation neceiver A, navigation neceiver B, interface board are mounted on bottom space；
Work(divides amplification board to be equipped with full page heat dissipation copper mesh, and the edge of full page heat dissipation copper mesh is contacted with machine shell inner wall, and navigation connects
Receipts machine A and navigation neceiver B is mounted on by reinforcing brace frame on machine shell, reinforcing brace frame and navigation neceiver A, navigation
Thermal conductive silicon fat pad is equipped between receiver B.
2. GNSS difference compatible according to claim 1, it is characterised in that：Machine shell is equipped with upper through setting
The EDGE CONTACT of radiating block or heat sink, radiating block or heat sink and full page heat dissipation copper mesh, radiating block or heat sink and thermal conductive silicon
Fat pad contacts.
3. GNSS difference compatible according to claim 1, it is characterised in that：Reinforcing brace frame includes retaining wedge, clamping
Card includes linking arm, fixed clamp plate, adjustable grip block and adjustment bolt, and fixed clamp plate is by adjusting bolt and adjustable clamping
Plate connects, and fixed clamp plate is oppositely arranged up and down with adjustable grip block, and fixed clamp plate on adjustable grip block opposite face with setting
There is thermal conductive silicon fat pad.
4. GNSS difference compatible according to claim 3, it is characterised in that：Reinforcing brace frame is symmetrically arranged with four pairs of folders
It holds, two pairs of retaining wedges fix navigation neceiver A, and two pairs of retaining wedges fix navigation neceiver B.
5. GNSS difference compatible according to claim 3, it is characterised in that：Linking arm is thermal conductive metal plate, linking arm
With overlap contact area and be more than itself area the 50% of reinforcing brace frame.
6. GNSS difference compatible according to claim 1, it is characterised in that：
3 external GNSS antennas divide amplification board to be connected by 3 antenna rf input terminals with work(；
Work(divides amplification board to be connected by 3 amplification board RF output ends, 3 receiver A rf inputs with navigation neceiver A,
Work(divides amplification board to be connected by 3 amplification board RF output ends, 3 receiver B rf inputs with navigation neceiver B, work(point
Amplification board for RF output end outside 3 with external receiver by being connected；
Navigation neceiver A is connected with interface board, and navigation neceiver B is connected with interface board；
Navigation neceiver A is connected by receiver A input end of clock with external clock A, when navigation neceiver B is by receiver B
Clock input terminal is connected with external clock B；
Interface board handles computer with peripheral signal by external interface end and is connected；
Power supply module divides amplification board to be connected with work(, and power supply module passes through ON-OFF control circuit and navigation neceiver A, navigation neceiver
B is connected respectively.
7. GNSS difference compatible according to claim 6, it is characterised in that：Work(divides amplification board model DTVA-03.
8. GNSS difference compatible according to claim 6, it is characterised in that：Navigation neceiver A includes radio-frequency module, base
Band module and navigation processing module.
9. GNSS difference compatible according to claim 6, it is characterised in that：Interface board includes LVDS interface, pulse per second (PPS)
422 interfaces, survey 422 interfaces on 422 interfaces and star.
10. GNSS difference compatible according to claim 6, it is characterised in that：ON-OFF control circuit control navigation receives
Machine A is in open state, and navigation neceiver B is used as backup off-mode, when navigation neceiver A breaks down, switch control
Circuit control navigation neceiver B start work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522830.6U CN207380245U (en) | 2017-11-15 | 2017-11-15 | GNSS difference compatibles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522830.6U CN207380245U (en) | 2017-11-15 | 2017-11-15 | GNSS difference compatibles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380245U true CN207380245U (en) | 2018-05-18 |
Family
ID=62332702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721522830.6U Expired - Fee Related CN207380245U (en) | 2017-11-15 | 2017-11-15 | GNSS difference compatibles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443349A (en) * | 2018-11-14 | 2019-03-08 | 广州中海达定位技术有限公司 | A kind of posture Course Measure System and its fusion method, storage medium |
| CN110208826A (en) * | 2019-05-29 | 2019-09-06 | 哈尔滨工程大学 | A kind of digital satellite smart antenna of multimode multi-frequency |
| CN110927754A (en) * | 2019-11-15 | 2020-03-27 | 北京遥测技术研究所 | Low-orbit high-reliability micro-nano satellite navigation receiver |
-
2017
- 2017-11-15 CN CN201721522830.6U patent/CN207380245U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443349A (en) * | 2018-11-14 | 2019-03-08 | 广州中海达定位技术有限公司 | A kind of posture Course Measure System and its fusion method, storage medium |
| CN110208826A (en) * | 2019-05-29 | 2019-09-06 | 哈尔滨工程大学 | A kind of digital satellite smart antenna of multimode multi-frequency |
| CN110927754A (en) * | 2019-11-15 | 2020-03-27 | 北京遥测技术研究所 | Low-orbit high-reliability micro-nano satellite navigation receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20181115 |