CN206922952U - A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter - Google Patents
A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter Download PDFInfo
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- CN206922952U CN206922952U CN201720792458.4U CN201720792458U CN206922952U CN 206922952 U CN206922952 U CN 206922952U CN 201720792458 U CN201720792458 U CN 201720792458U CN 206922952 U CN206922952 U CN 206922952U
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- big dipper
- signal
- installation portion
- housing
- direct broadcasting
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Abstract
The utility model proposes a kind of direct broadcasting satellite signal and Big Dipper signal mating type low-converter, it is therefore intended that realizes zone location and two kinds of functions of reception of satellite programming, and reduces interfering between direct broadcasting satellite signal and Big Dipper signal, it includes：Multi-sat outdoor unit and Big Dipper unit, the multi-sat outdoor unit include the housing of feed integration, are provided with wiring board installation portion and connector installation portion in the tail end of housing, HF link plate is equiped with the wiring board installation portion；The Big Dipper unit includes pcb board of the weldering provided with diectric antenna, and for laying the metal cover board of the pcb board, the metal cover board top side is provided with the avoidance line groove placed for pcb board, the HF link plate is connected by one metal needle/post with the pcb board, metal needle/the post runs through the metal cover board from the bottom to top, the respective feed signal of multi-sat outdoor unit and the Big Dipper unit combines in the HF link plate, then is exported by the F heads Female Connector of housing tail end.
Description
Technical field
The utility model belongs to digital satellite broadcasting reception system and area positioning technology field, and in particular to a kind of live
Satellite-signal and Big Dipper signal mating type low-converter.
Background technology
Multi-sat outdoor unit is also known as low-converter, be by the weak satellite TV signal that antenna receives be amplified and under
It is converted in suitable frequency range and exports, then carries out being decoded into image by receiver and voice signal is sent into television set.At present, satellite
TV band mainly has C-band, Ku wave bands and Ka wave bands, wherein because Ku wave bands decline spy in frequency resource, antenna gain, anti-rain
Property and each side such as ground interference there is comprehensive advantage, therefore it is most widely used.In addition, it is response country《On accelerating to push away
Enter radio and television Rural areas to logical upgrade job in every family》Requirement, on the basis of Ku wave band down coversions add big-dipper satellite list
Member, because the outdoor unit down-conversion signal part of Ku wave band direct broadcasting satellites in whole product is stronger, Beidou antenna is situated between for omnidirectional
Matter antenna, it is easy to receive outdoor unit down-conversion signal and interfere, and have no solve the above problems in the prior art
Product occur.
Utility model content
To overcome defect present in prior art, the utility model proposes a kind of direct broadcasting satellite signal and Big Dipper signal node
Mould assembly low-converter, interfering between direct broadcasting satellite down-conversion signal and Big Dipper signal is reduced, it is particular by following skill
What art means were realized：
A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter, it includes：For capturing direct broadcasting satellite signal
Multi-sat outdoor unit and Big Dipper unit for capturing Big Dipper satellite signal；The multi-sat outdoor unit includes feed integration
Housing, be provided with wiring board installation portion and connector installation portion in the tail end of housing, height be equiped with the wiring board installation portion
Frequency wiring board；The Big Dipper unit includes pcb board of the weldering provided with diectric antenna, and for laying the metal cover of the pcb board
Plate, the metal cover board are installed on the wiring board installation portion so that HF link plate envelope to be put wherein, and its top side is set
There is the avoidance line groove placed for pcb board, the HF link plate is connected by one metal needle/post with the pcb board, described
Metal needle/post runs through the metal cover board from the bottom to top, the respective feed signal of multi-sat outdoor unit and the Big Dipper unit in
Combine in the HF link plate, then exported by the F heads Female Connector of housing tail end.
In one or more embodiments of the present utility model, plane direction and the F head female of the wiring board installation portion
Connector direction is perpendicular.
In one or more embodiments of the present utility model, the wiring board installation portion and connector installation portion one into
Type is in the housing tail end, and the housing, metal cover board, wiring board installation portion and connector installation portion are aluminium alloy material
Matter.
In one or more embodiments of the present utility model, the multi-sat outdoor unit is directed to C-band, Ku wave bands and Ka
Band satellite signal.
In one or more embodiments of the present utility model, the housing includes the corrugation loudspeaker feed source for being arranged at front end
And built-in circular waveguide, phase shifter.
The beneficial effects of the utility model are：The down coversion coupling apparatus of pioneering direct broadcasting satellite signal and Big Dipper signal is full
The reception demand of sufficient zone location and satellite program signals, simultaneously, it is desirable to which the antenna of Big Dipper unit is away under satellite program signals
Signal radiating surface after frequency conversion, reduce signal between interfere.This mode can make that the volume of product is as far as possible small, and reduction is produced into
Originally and it is easy to produce operation in batches.
Stronger in whole product Satellite outdoor unit down-conversion signal, the antenna of Big Dipper unit is omnidirectional's diectric antenna,
It is easy to receive multi-sat outdoor unit down-conversion signal and interfere.So metal cover board and housing in this patent are all
For aluminum alloy material can shielding be in designated area well by satellite down-conversion signal, even if part signal still can be from gold
Diffraction by slit between category cover plate and housing comes out, it is known that signal source interference is minimum suffered by 90 ° of regions of signal source, therefore will
The diectric antenna of Big Dipper unit is placed in the groove on metal cover board, the signal source thus come out with outdoor unit frequency reducing diffraction
Formation is equal to or more than 90 ° of angles, so two kinds of satellite-signals of this patent capture can be realized very on smaller device volume
Small interference.The utility model has remarkable technical and practicality, is adapted to promote the use of.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model direct broadcasting satellite signal and Big Dipper signal mating type low-converter.
Fig. 2 is the configuration schematic diagram of the utility model direct broadcasting satellite signal and Big Dipper signal mating type low-converter.
Fig. 3 is the cross section structure diagram of the housing of the utility model multi-sat outdoor unit.
Embodiment
Below in conjunction with attached Fig. 1 and 2, application scheme is further described：
A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter, it includes：For capturing direct broadcasting satellite signal
Multi-sat outdoor unit 1 and Big Dipper unit 2 for capturing Big Dipper satellite signal；The multi-sat outdoor unit 1 is directed to Ku wave bands
Satellite-signal, it includes the housing 11 of feed integration, is provided with wiring board installation portion 12 in the tail end of housing 11 and connector is pacified
Dress portion 13, the wiring board installation portion 12 and connector installation portion 13 are shaped in the tail end of housing 11, the wiring board
There is installation groove 121, wherein being equiped with the HF link plate 3 on installation portion 12；The Big Dipper unit 2 includes weldering and is provided with Jie
The pcb board 22 of matter antenna 21, and for laying the metal cover board 23 of the pcb board 22, the metal cover board 23 is installed in institute
State so that the envelope of HF link plate 3 to be put wherein on wiring board installation portion 12, around peace on the wiring board installation portion 12
Groove 121 is filled formed with endless groove 122, the endless groove 122 is engaged with the bottom of metal cover board 23, to the high-frequency line
Road plate 3 forms preferable encapsulation, and the top side of the metal cover board 23 is provided with the avoidance line groove 230 placed for pcb board 22, institute
State HF link plate 3 by one metal needle/post 31 with the pcb board 22 to be connected, the metal needle/post 31 runs through institute from the bottom to top
Metal cover board 23 is stated, the respective feed signal of multi-sat outdoor unit 1 and Big Dipper unit 2 is tied in the HF link plate 3
Close, then the F heads Female Connector 4 on the connector installation portion 13 for passing through the tail end of housing 11 exports.The wiring board installation portion 12
Direction and 4 directions of F heads Female Connector it is perpendicular.The housing 11, wiring board installation portion 12, connector installation portion 13
It is aluminum alloy material with metal cover board 23, the housing 11 includes being arranged at the corrugation loudspeaker feed source 111 of front end and built-in
Circular waveguide 112, phase shifter 113, referring specifically to accompanying drawing 3.
Whole product Satellite 1 signal section of outdoor unit is stronger, and the diectric antenna 21 of Big Dipper unit 2 is omnidirectional's medium day
Line, it is easy to receive the signal after the frequency reducing of multi-sat outdoor unit 1 and interfere.So metal cover board 23 in this patent
With housing 11 all for aluminum alloy material can shielding be in designated area well by the signal after satellite frequency reducing, even if part is believed
Diffraction by slit that number still can be between metal cover board 23 and housing 11 comes out, it is known that signal suffered by 90 ° of regions of signal source
Source interference is minimum, therefore the diectric antenna 21 of Big Dipper unit 2 is placed in the avoidance line groove 230 on metal cover board 23, this
Sample just forms with the signal source of the frequency reducing diffraction of multi-sat outdoor unit 1 out and is equal to or more than 90 ° of angles, so this patent capture
Two kinds of satellite-signals can realize the interference of very little on smaller device volume, but also can avoid short circuit.
It is that above-mentioned preferred embodiment should be regarded as application scheme embodiment for example, all with application scheme thunder
Same, approximation or the technology deduction made based on this, replacement, improvement etc., it is regarded as the protection domain of this patent.
Claims (5)
1. a kind of direct broadcasting satellite signal and Big Dipper signal mating type low-converter, it is characterised in that including：For capturing live defend
The multi-sat outdoor unit of star signal and the Big Dipper unit for capturing Big Dipper satellite signal；The multi-sat outdoor unit includes feed
The housing of integration, is provided with wiring board installation portion and connector installation portion in the tail end of housing, is filled on the wiring board installation portion
Provided with HF link plate；The Big Dipper unit includes pcb board of the weldering provided with diectric antenna, and for laying the pcb board
Metal cover board, the metal cover board are installed on the wiring board installation portion so that HF link plate envelope to be put wherein, its
Top side is provided with the avoidance line groove placed for pcb board, and the HF link plate passes through one metal needle/post and the pcb board phase
Even, the metal needle/post runs through the metal cover board, the respective signal of multi-sat outdoor unit and the Big Dipper unit from the bottom to top
Combine in the HF link plate, then exported by the F heads Female Connector of housing tail end.
2. direct broadcasting satellite signal according to claim 1 and Big Dipper signal mating type low-converter, it is characterised in that：It is described
The plane direction of wiring board installation portion is vertical with F head Female Connectors.
3. direct broadcasting satellite signal according to claim 1 or 2 and Big Dipper signal mating type low-converter, it is characterised in that：
The wiring board installation portion and connector installation portion are shaped in the housing tail end, and the housing, metal cover board, line
Road plate installation portion and connector installation portion are aluminum alloy material.
4. direct broadcasting satellite signal according to claim 1 or 2 and Big Dipper signal mating type low-converter, it is characterised in that：
The multi-sat outdoor unit is directed to C-band, Ku wave bands and Ka band satellite signals.
5. direct broadcasting satellite signal according to claim 1 or 2 and Big Dipper signal mating type low-converter, it is characterised in that：
The housing includes the corrugation loudspeaker feed source and built-in circular waveguide, phase shifter for being arranged at front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792458.4U CN206922952U (en) | 2017-06-30 | 2017-06-30 | A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792458.4U CN206922952U (en) | 2017-06-30 | 2017-06-30 | A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922952U true CN206922952U (en) | 2018-01-23 |
Family
ID=61335484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720792458.4U Active CN206922952U (en) | 2017-06-30 | 2017-06-30 | A kind of direct broadcasting satellite signal and the Big Dipper signal mating type low-converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922952U (en) |
-
2017
- 2017-06-30 CN CN201720792458.4U patent/CN206922952U/en active Active
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