CN203661056U - Satellite intermediate frequency signal conversion apparatus applied to shipborne satellite television antenna - Google Patents
Satellite intermediate frequency signal conversion apparatus applied to shipborne satellite television antenna Download PDFInfo
- Publication number
- CN203661056U CN203661056U CN201320800894.3U CN201320800894U CN203661056U CN 203661056 U CN203661056 U CN 203661056U CN 201320800894 U CN201320800894 U CN 201320800894U CN 203661056 U CN203661056 U CN 203661056U
- Authority
- CN
- China
- Prior art keywords
- signal
- satellite
- circuit
- output
- input
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 title abstract description 3
- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000010287 polarization Effects 0.000 description 15
- 230000009977 dual effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The utility model discloses a satellite intermediate frequency signal conversion apparatus applied to a shipborne satellite television antenna, and relates to the technical field of wireless communication. The apparatus comprises an outdoor converter, a single-channel swivel joint, a power divider and an indoor converter which are successively connected according to signal transmission directions. The outdoor converter is connected with the high frequency head of a satellite antenna, performs frequency mixing processing on the two signals outputted by the high frequency head, then sends mixed signals to the single-channel swivel joint, divides the mixed signals into multiple paths through the power divider, and finally controls the two signals in the mixed signals within the same frequency band range through the indoor converter so as to satisfy the frequency input demand of a receiver and realize normal switching of the two signals and reception of all TV programs. The apparatus provided by the utility model is quite low in cost, effectively solves the problem of a signal sharing conflict when multiple receivers share the same antenna, is high in cable utilization rate and high in compatibility, and is of very high applicability and remarkable realistic significance.
Description
Technical field
The utility model relates to wireless communication technology field, is specifically related to a kind of cost low, and cable utilance is high, compatible strong, can effectively solve the satellite intermediate frequency chromacoder that has Signal share collision problem when many receivers share an antenna.
Background technology
In satellite TV signal transmitting procedure, for improving channel bandwidth utilization ratio, often signal is divided into two kinds of contrary modes of polarization and propagates, as linear polarization is divided into horizontal polarization and perpendicular polarization, circular polarization is divided into left-handed polarization and right-hand polarization.For fixed-line subscriber, often a surface antenna only connects a receiver, the satellite-signal of the different polarization modes of mode selective reception that receiver can switch by 13V/18V voltage.But for the mobile vehicle such as automobile, boats and ships user, because mobile satellite antenna is expensive, need many receivers to share the signal of a surface antenna.And mobile satellite antenna is in order to adapt to carrier movement, need to carry out real-time 360 ° and adjust orientation angles, single channel satellite intermediate frequency signal generally can only be transmitted in the place of being rotatably connected, in the time that sharing a mobile satellite antenna, many receivers can there is sharing conflict, many receivers can only receive the satellite-signal of same polarization mode simultaneously, thereby cannot normally receive whole TV programme of direct broadcasting satellite.
Being present in that current this problem is general is vehicle-mounted, among boat-carrying satellite tv antenna system, also be present in vehicle-mounted, boat-carrying two-way communication antenna simultaneously, this antenna is not only wanted receiving satellite signal, the signal of simultaneously also will launching an artificial satellite, conventional Single-channel Rolling joint cannot meet user demand, can only use Two channels rotating joint, but Two channels rotating joint is not only expensive, and useful life is not high, this is one of major technique bottleneck that restriction is vehicle-mounted, boat-carrying two-way communication antenna develops always.
Utility model content
The defect existing in order to solve above-mentioned technology, the utility model provides a kind of cost low, and cable utilance is high, compatible strong, can effectively solve the satellite intermediate frequency chromacoder that has Signal share collision problem when many receivers share an antenna.
The utility model is realized the technical scheme that above-mentioned technique effect adopts:
A kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, comprise by side signal transmission to the outdoor transducer, single channel swivel joint, power splitter and the indoor transducer that connect successively, wherein, the input of described outdoor transducer is connected with the tuner output of satellite antenna, and the output of described indoor transducer is connected with the input of receiver.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, described outdoor transducer comprises that a signal closes road and voltage follower circuit, described signal closes road and is provided with first signal input and the second road signal input part, between described first signal input and the output of described tuner, be provided with first signal circuit, between described secondary signal input and the output of described tuner, be provided with secondary signal circuit.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, described voltage follower circuit is provided with the first voltage follower circuit and second voltage output circuit, described the first voltage follower circuit is all connected with the 18V input of described outdoor transducer with described second voltage output circuit, described the first voltage follower circuit provides 18V supply power voltage for described tuner, and described second voltage output circuit provides 13V supply power voltage for described tuner.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, in described first signal circuit and described secondary signal circuit, be equipped with capacitance, described second voltage output circuit comprises a DC-DC transducer, for the 18V input voltage of described outdoor transducer is converted to 13V output voltage.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna is provided with the first frequency mixer in described first signal circuit between capacitance and described first signal input, and described the first frequency mixer is connected with first signal source.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, described indoor transducer comprises a signal along separate routes and output select circuit, between the output of described signal shunt and the input of described output select circuit, is respectively equipped with the first shunt circuit and the second shunt circuit.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, is in series with the second frequency mixer in described the first shunt circuit, and described the second frequency mixer is connected with secondary signal source.
Above-mentioned a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, the capacitance and the signal amplifier that between the input of described signal shunt and the output of described power splitter, are provided with series connection, the output of described capacitance is connected with the input of described signal amplifier.
The beneficial effects of the utility model are: this device will originally carry out frequency inverted at two-way or the above satellite intermediate frequency signal of two-way of same frequency band, frequency dispersion is transmitted at different frequency bands, signal is by after Single-channel Rolling joint, be transformed into respectively more original frequency band, for different equipment, thereby can realize in same cable and transmit multiple-link satellite signal simultaneously, realize the normal switching of two paths of signals and all receptions of TV programme.Have equipment cost low, cable utilance is high, and compatible strong feature efficiently solves the problem that has Signal share conflict when many receivers share an antenna, has very strong applicability and significant realistic meaning.
Accompanying drawing explanation
Fig. 1 is that module of the present utility model connects block diagram;
Fig. 2 is the internal structure circuit diagram of outdoor transducer described in the utility model;
Fig. 3 is the internal structure circuit diagram of indoor transducer described in the utility model;
In figure: 1-satellite antenna, 2-tuner, the outdoor transducer of 3-, 4-single channel swivel joint, 5-power splitter, the indoor transducer of 6-, 7-receiver, 31-signal close road, 32-first signal source, 33-DC-DC transducer, 34-the first frequency mixer, the shunt of 61-signal, 62-output select circuit, 63-secondary signal source, 64-the second frequency mixer, 65-signal amplifier.
Embodiment
For making that the utility model is done further to understand, below with reference to Figure of description and specific embodiment, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna, it comprises by side signal transmission to the outdoor transducer 3, single channel swivel joint 4, power splitter 5 and the indoor transducer 6 that connect successively, wherein, the input of outdoor transducer 3 is connected with tuner 2 outputs of satellite antenna 1, this tuner 2 is dual polarization dual output tuner, and the output of indoor transducer 6 is connected with the input of receiver 7.
When enforcement; as a kind of preferred embodiment of the present utility model; it is the circular polarization tuner of 950～1450MHz that the dual polarization dual output tuner 2 of satellite antenna 1 adopts reference frequency output; one tunnel output signal is left-handed signal; another road output signal is right hand signal; should be noted that; the polarization mode of this tuner 2 is selected just as a kind of preferred embodiment of the present utility model; and being not used in limitation the utility model, the signal of perpendicular polarization and horizontal polarization is exported equally within protection range of the present utility model.Particularly, in the preferred embodiment, the output signal of this tuner 2 is by output voltage control, 18V exports left-handed signal, 13V exports right hand signal, the operating voltage of outdoor transducer 3 is 18V, power to self and tuner 2, it comprises that a signal closes road 31 and voltage follower circuit, this signal closes road 31 and is provided with first signal input and the second road signal input part, between the output of first signal input and tuner 2, be provided with first signal circuit, the left-handed signal that this first signal circuit is exported for receiving an output of tuner 2; Between another output of secondary signal input and tuner 2, be provided with secondary signal circuit, the right hand signal that this secondary signal circuit is exported for receiving another output of tuner 2.Voltage follower circuit is provided with the first voltage follower circuit and second voltage output circuit, the first voltage follower circuit is all connected with the 18V input of outdoor transducer 3 with second voltage output circuit, the first voltage follower circuit provides 18V supply power voltage for tuner 2, second voltage output circuit comprises a DC-DC transducer 33, this DC-DC transducer 33 is for converting the 18V input voltage of outdoor transducer 3 to 13V output voltage, makes second voltage output circuit provide 13V supply power voltage for tuner 2.
Particularly, in this embodiment, in first signal circuit and secondary signal circuit, be equipped with capacitance, first signal circuit is for receiving the left-handed signal that the frequency range of tuner 2 one output outputs is 950～1450MHz, and secondary signal circuit is for receiving the right hand signal that the frequency range of tuner 2 another output outputs is 950～1450MHz.In first signal circuit, capacitance and signal close between the first signal input on road 31 and are provided with the first frequency mixer 34, the first frequency mixer 34 is connected with first signal source 32, the output frequency in this first signal source 32 is 3100MHz, the signal that the frequency that export in the original left-handed signal that the first frequency mixer 34 is 950～1450MHz by frequency and first signal source 32 is 3100MHz carries out Frequency mixing processing, obtaining frequency range is the left-handed signal of 1650～2150MHz scope, the right hand signal of tuner output is without any processing, close in road 31 through the direct arriving signal of secondary signal circuit, and mix with left-handed signal after treatment, obtain the mixed signal that frequency range is 950～2150MHz, in this mixed signal, both comprised left-handed signal, comprise again right hand signal.This mixed signal is passed through single channel swivel joint 4 again to indoor transmissions signal, by power splitter 5, this mixed signal is divided into multichannel again indoor, is transferred to respectively different rooms.In preferred embodiment of the present utility model, power splitter 5 is that two merits are divided, and certainly, can be also that three merits are divided, four merits are divided, six merits are graded different power splitters.
Before signal is transferred to receiver 7, need to first carries out signal through indoor transducer 6 and select to recover.Particularly, in this embodiment, indoor transducer 6 comprises signal shunt 61 and an output select circuit 62.Signal 61 is provided with two outputs along separate routes, and output select circuit 62 is provided with 18V and selects input and 13V to select input, and the 18V of 61 liang of outputs of signal shunt and output select circuit 62 selects input, 13V to select input to connect one to one.One output of signal shunt 61 and the 18V of output select circuit 62 select to form the first shunt circuit between input, and another output of signal shunt 61 and the 13V of output select circuit 62 select input to form the second shunt circuit.Wherein, be in series with the second frequency mixer 64, the second frequency mixers 64 and be connected with secondary signal source 63 in the first shunt circuit, the signal frequency that export in secondary signal source 63 is 3100MHz.The capacitance and the signal amplifier 65 that between the input of signal shunt 61 and the output of power splitter 5, are provided with series connection, the output of capacitance is connected with the input of this signal amplifier 65.Enter indoor transducer 6 in mixed signal rear first through capacitance partition direct current, and then carry out signal amplification and be divided into two paths of signals through signal amplifier 65, the signal that the frequency that export in one road signal and secondary signal source 63 is 3100MHz obtains the left-handed signal that frequency is 950～1450MHz under the Frequency mixing processing of the second frequency mixer 64, then the 18V that transfers to output select circuit 62 selects input, another road signal is left intact, and the 13V that directly transfers to output select circuit 62 selects input.Select to recover through the signal of indoor transducer 6, the frequency of the left-handed signal in the first shunt circuit has returned to 950～1450MHz from 1650～2150MHz, and the frequency range of right hand signal has changed to 1650MHz～2150MHz.In the time that output select circuit 62 carries out signal selection according to the 13V/18V voltage of receiver 7, left-handed signal or right hand signal are no matter selected, useful signal all appears between 950～1450MHz, just in time meet the frequency input needs of receiver 7, so just can realize the normal switching of left-right rotary, realize the reception of the whole TV programme of left-right rotary.
More than just as a kind of preferred embodiment of the present utility model, the frequency in first signal source 32 and secondary signal source 63 is not limited to 3100MHz, according to actual user demand, can adopt the signal source of different frequency by two-way or the identical intermediate-freuqncy signal of channelized frequencies scope, being transformed into different frequency bands transmits, after over recovery conversion, normally use, the multichannel intermediate-freuqncy signal that can realize single coaxial cable is multiplexing again.
This device will originally carry out frequency inverted at two-way or the above satellite intermediate frequency signal of two-way of same frequency band, frequency dispersion is transmitted at different frequency bands, signal is by after Single-channel Rolling joint, be transformed into respectively more original frequency band, for different equipment, thereby can realize in same cable and transmit multiple-link satellite signal simultaneously, eliminate the dependence of prior art to Two channels rotating joint and multipassage rotary joint, realized the normal switching of two paths of signals and all receptions of TV programme.Have equipment cost low, cable utilance is high, and compatible strong feature efficiently solves the problem that has Signal share conflict when many receivers share an antenna, has very strong applicability and significant realistic meaning.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. one kind is applied to the satellite intermediate frequency chromacoder of boat-carrying satellite tv antenna, it is characterized in that, comprise by side signal transmission to the outdoor transducer, single channel swivel joint, power splitter and the indoor transducer that connect successively, wherein, the input of described outdoor transducer is connected with the tuner output of satellite antenna, and the output of described indoor transducer is connected with the input of receiver.
2. a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna according to claim 1, it is characterized in that, described outdoor transducer comprises that a signal closes road and voltage follower circuit, described signal closes road and is provided with first signal input and the second road signal input part, between described first signal input and the output of described tuner, be provided with first signal circuit, between described secondary signal input and the output of described tuner, be provided with secondary signal circuit.
3. a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna according to claim 2, it is characterized in that, described voltage follower circuit is provided with the first voltage follower circuit and second voltage output circuit, described the first voltage follower circuit is all connected with the 18V input of described outdoor transducer with described second voltage output circuit, described the first voltage follower circuit provides 18V supply power voltage for described tuner, and described second voltage output circuit provides 13V supply power voltage for described tuner.
4. a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna according to claim 2, it is characterized in that, in described first signal circuit and described secondary signal circuit, be equipped with capacitance, described second voltage output circuit comprises a DC-DC transducer, for the 18V input voltage of described outdoor transducer is converted to 13V output voltage.
5. according to a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna described in claim 2 or 4, it is characterized in that, in described first signal circuit, between capacitance and described first signal input, be provided with the first frequency mixer, described the first frequency mixer is connected with first signal source.
6. a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna according to claim 1, it is characterized in that, described indoor transducer comprises a signal along separate routes and output select circuit, between the output of described signal shunt and the input of described output select circuit, is respectively equipped with the first shunt circuit and the second shunt circuit.
7. a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna according to claim 6, is characterized in that, in described the first shunt circuit, be in series with the second frequency mixer, described the second frequency mixer is connected with secondary signal source.
8. a kind of satellite intermediate frequency chromacoder that is applied to boat-carrying satellite tv antenna according to claim 6, it is characterized in that, the capacitance and the signal amplifier that between the input of described signal shunt and the output of described power splitter, are provided with series connection, the output of described capacitance is connected with the input of described signal amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800894.3U CN203661056U (en) | 2013-12-06 | 2013-12-06 | Satellite intermediate frequency signal conversion apparatus applied to shipborne satellite television antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800894.3U CN203661056U (en) | 2013-12-06 | 2013-12-06 | Satellite intermediate frequency signal conversion apparatus applied to shipborne satellite television antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203661056U true CN203661056U (en) | 2014-06-18 |
Family
ID=50927404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800894.3U Expired - Lifetime CN203661056U (en) | 2013-12-06 | 2013-12-06 | Satellite intermediate frequency signal conversion apparatus applied to shipborne satellite television antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203661056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684519A (en) * | 2013-12-06 | 2014-03-26 | 浙江中星光电子科技有限公司 | Satellite intermediate frequency signal conversion device applied to shipborne satellite television antenna |
| CN109546297A (en) * | 2018-11-09 | 2019-03-29 | 泰州市柯普尼通讯设备有限公司 | Multinomial hierarchical cache formula satellite communication antenna system peculiar to vessel and its application method |
-
2013
- 2013-12-06 CN CN201320800894.3U patent/CN203661056U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684519A (en) * | 2013-12-06 | 2014-03-26 | 浙江中星光电子科技有限公司 | Satellite intermediate frequency signal conversion device applied to shipborne satellite television antenna |
| CN103684519B (en) * | 2013-12-06 | 2016-08-10 | 浙江中星光电子科技有限公司 | A kind of satellite intermediate frequency chromacoder being applied to boat-carrying satellite tv antenna |
| CN109546297A (en) * | 2018-11-09 | 2019-03-29 | 泰州市柯普尼通讯设备有限公司 | Multinomial hierarchical cache formula satellite communication antenna system peculiar to vessel and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015070782A1 (en) | Indoor distribution system, local unit and remote unit | |
| CN102547775B (en) | System and method for simultaneous indoor covering of multiple types of communication signals by utilizing CATV (community antenna television) cable | |
| US10797778B2 (en) | Wireless communication system and drone system using the wireless communication system | |
| CN202998086U (en) | A multi-band double-reception band-crossing duplex relay vehicle station | |
| CN103684519A (en) | Satellite intermediate frequency signal conversion device applied to shipborne satellite television antenna | |
| CN102412917A (en) | Multiple-antenna measurement system and method based on network analyzer and RF (radio frequency) switch | |
| CN101374285B (en) | Operation method for base station common transmit-receive transmission system | |
| CN203661056U (en) | Satellite intermediate frequency signal conversion apparatus applied to shipborne satellite television antenna | |
| CN103684520A (en) | Satellite intermediate frequency signal conversion device applied to on-board two-way communication antenna | |
| EP1906685A3 (en) | Extended radio base station system having broadcast wave retransmitting function | |
| RU2715554C1 (en) | Transported tropospheric station | |
| US20040183725A1 (en) | Information network building method and network connection circuit | |
| CN103311667B (en) | A kind of single coaxial cable transmits the new car marine satellite television antenna of dual polarized signals simultaneously | |
| JP4459899B2 (en) | RADIO SIGNAL DISTRIBUTION DEVICE AND RECEPTION SYSTEM HAVING RADIO SIGNAL DISTRIBUTION DEVICE | |
| CN203661057U (en) | Satellite intermediate frequency signal conversion device applied to shipborne two-way communication antenna | |
| CN115833849A (en) | Self-adaptive transparent transmission type multi-system combiner platform | |
| CN105450285B (en) | A kind of indirect communication device of ultrashort wave Vehicle mounted station | |
| CN204793178U (en) | External antenna , WOC device and signal transmission system | |
| CN2798427Y (en) | Apparatus for realizing broadband wireless access by wired TV coaxial cable | |
| JP3431579B2 (en) | Satellite receiving converter, block converter, down converter and satellite receiving system | |
| CN203326111U (en) | Novel boat and car satellite television antenna meanwhile transmitting dual polarization signals through single coaxial cable | |
| CN203445955U (en) | Multifunctional monitoring headphone operating system | |
| JP2004007162A (en) | Antenna switching circuit and communication apparatus | |
| CN103269428A (en) | Satellite audio-visual receiving system based on KU wave band and satellite tuner | |
| CN106374982B (en) | Signal transmission method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |