CN108718394A - A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed - Google Patents
A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed Download PDFInfo
- Publication number
- CN108718394A CN108718394A CN201810915623.XA CN201810915623A CN108718394A CN 108718394 A CN108718394 A CN 108718394A CN 201810915623 A CN201810915623 A CN 201810915623A CN 108718394 A CN108718394 A CN 108718394A
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- China
- Prior art keywords
- tuner
- stars
- stretching bar
- wave bands
- adjustable frequency
- 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.)
- Pending
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- 239000002184 metal Substances 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 21
- 239000007769 metal material Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The present invention relates to a kind of adjustable frequency demultipliers of the more stars of KU wave bands list feed, including tuner, metal stretching bar, two in tandem tuners in plane side by side on metal stretching bar, tuner is locked by bolt in metal stretching bar, tuner has a cylindric fixing shell for including upper casing and lower casing, there are one screens slots for the injection molding of fixing shell top, it is equipped with saddle of the downward shell side to stretching positioned at the screens slot lower end of Upper portion, equipped with the activity slide guide part stretched with the cooperation metal stretching bar movement inside screens slot, activity slide guide part is placed on the saddle.The KU adjustable frequency demultipliers of the more stars of wave band list feed in the present invention install two or more tuners in an antenna feed, using the smooth principle of planar stretch, it realizes and can receive multiple satellite-signals or different satellite-signals, more TV programme selections and at low cost, easily realization can not only be provided for client.
Description
Technical field
The present invention relates to communication frequency demultiplier technical fields, and in particular to a kind of adjustable frequency reducing of the more stars of KU wave bands list feed
Device.
Background technology
With the development of science and technology and life, communication transmission is also more and more universal, watches that satellite television ratio is also got in family
Come higher.Wherein, frequency demultiplier is device essential to watching satellite television, but satellite receiver on the market is one kind at present
Antenna feed one frequency demultiplier of mating installation is only capable of receiving a satellite-signal.
Process of Urbanization Construction in recent years, satellite receiver installation space are restricted.One antenna feed is only received single
The pattern of satellite-signal TV reception cannot increasingly meet customer need.
The satellite receiver for now occurring to receive multiple satellite-signals on the market is respectively：One kind is each to receive
Satellite-signal is both needed to mix a set of antenna feed；Another kind is the tuner for being designed to disjunctor double reception feed.But the first feelings
Condition is there are of high cost, and antenna installation can occupy public resource；The second situation then exist cost height, and can not carry out phase and
The number of degrees are adjusted.And conventional architectures are needed with two dielectrics, complexed metal resonance cover, such framework resonance requirement
High, frequency can be fluctuated with environment temperature, need manual adjustment frequency, occupied space etc..
China Patent No. CN200620139210.X, which is disclosed, a kind of comprehensive exempts from frequency modulation satellite receiver phaselocked loop high frequency
Head includes mainly the transmission waveguide pipe cylindrical shell with box horn, places high frequency tuner circuit plate in the shell, should
Circuit board contain frequency divider, phase frequency detector, charge pump, voltage controlled oscillator, phaselocked loop, low-pass filter, mixting circuit and in
Electric discharge road, the circuit board use IC chip.
The application creates following inventive technique in prior art basis.
Invention content
The purpose of the present invention is to provide one kind by studying each synchronous satellite in the world（Satellite television transponder）Distribution, receive
Collect each department KU wave band application data, the offset-fed reception technique in area is calculated；Two are installed in an antenna feed
Or multiple tuners are realized using the smooth principle of planar stretch and can receive multiple satellite-signals or different satellite-signals, it can not only
Enough more TV programme selections and at low cost, the adjustable frequency demultiplier of the KU more stars of wave band list feed easily realized are provided for client.
To achieve the goals above, present invention employs following technical solutions：
A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed, including tuner, metal stretching bar,
Two tuners in tandem, the tuner are in a plane side by side on the metal stretching bar, and the tuner is logical
It crosses bolt to be locked on metal stretching bar, two tuners design for integrated phase lock loop circuit；
The tuner has a cylindric fixing shell, the fixing shell top to set there are one screens slot, and fixing shell includes
Upper casing and lower casing, the screens slot lower end for being located at Upper portion are equipped with saddle of the downward shell side to stretching, are located at card at the top of upper casing
The through-hole of threaded interior walls is equipped with above the slot of position；
Equipped with the activity slide guide part stretched with the cooperation metal stretching bar movement, the activity slide guide part inside the screens slot
It is placed on the saddle.
The adjustable frequency demultiplier of the more stars of a kind of KU wave bands list feed as described above, which is characterized in that the activity fixation is led
Rail is U-shaped rails and is metal material, and demifacet center is equipped with the through-hole of threaded interior walls above and below the fixed guide rail of activity.
A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed as described above, which is characterized in that the metal stretching bar
For a block length flat type metal strip.
The adjustable frequency demultiplier of the more stars of a kind of KU wave bands list feed as described above, which is characterized in that the tuner can be with
It is multiple.
A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed as described above, which is characterized in that the integrated phase lock
Circuit includes voltage-controlled oscillator, phase frequency detector, loop filter, and phase frequency detector receives input signal and is transferred to loop
Filter, loop filter output signal output again transmit reconstruction signal to voltage-controlled oscillator, voltage-controlled oscillator
To phase frequency detector.
Beneficial effects of the present invention are：
1, the present invention is high using two or more tuners in tandem, tuner are in a plane side by side on metal stretching bar
Frequency head designs for integrated phase lock loop circuit, solve traditional sucrose mode of oscillation frequency is unstable and high and low temperature environment intermediate frequency
Rate changes phenomenon greatly.
2, using multiple tuners in same level, coordinate the fixed guide rail of U-shaped activity using metal stretching bar, play tight
The design of close slidable adjustment, it is ensured that receiving angle is stablized, and movement is smooth, smooth.Adjustable extent is wider, realizes that a feed is watched
Multiple satellite tv program.
3, design of the invention can not only provide more TV programme selections and at low cost, easily realization for client.
Description of the drawings
Fig. 1 is two tuners of the invention structural schematic diagram in tandem on metal stretching bar side by side.
Fig. 2 is the cross-sectional view of the tuner right view of the present invention.
Fig. 3 is A enlarged drawings in Fig. 2.
Fig. 4 is the fixed guide rail schematic diagram of activity of the present invention.
Fig. 5 is the metal stretching bar schematic diagram of the present invention.
Fig. 6 is the tuner upper casing cross-sectional view of the present invention.
Fig. 7 is the tuner lower casing cross-sectional view of the present invention.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, invention is further described in detail：
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, Fig. 6 and Fig. 7, a kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed, including
Tuner 1, metal stretching bar 3, two tuners 1 in tandem, the tuner 1 are in one side by side on the metal stretching bar 3
In plane, the tuner 1 is fixed on metal stretching bar 3 by bolt 6, and two tuners 1 design for integrated phase lock loop circuit,
The tuner 1 has a cylindric fixing shell 7, and there are one screens slot 42, fixing shells 7 for the injection molding of 7 top of the fixing shell
Including upper casing 4 and lower casing 5,42 lower end of screens slot for being located at 4 part of upper casing is equipped with a saddle 41 stretched out to 5 direction of lower casing, on
4 top of shell is located at the through-hole 43 that 42 top of screens slot is equipped with threaded interior walls,
42 inside of the screens slot is equipped with the fixed guide rail 2 of activity stretched with the cooperation movement of metal stretching bar 3, the activity
Fixed guide rail 2 is placed on the saddle 41.
The frequency that the tuner 1 of two integrated phase lock loop circuits design solves traditional sucrose mode of oscillation is unstable and high
Frequency changes phenomenon greatly in low temperature environment.Screens slot 42 is to polarize probe as basic point, the satellite reception of the application using tuner 1
Centered on the diameter of device, one of screens slot 42 is formed with mold injection mode.
In the application, 2 are U-shaped rails and are metal material the fixed guide rail of activity, and about 2 guide rail is fixed in the activity
Demifacet center is equipped with the through-hole 21 of threaded interior walls.
In the application, the metal stretching bar 3 is a block length flat type metal strip.
Guide rail 2 is fixed using the U-shaped movable metallic that metal stamping techniques are manufactured into, fastening is installed in screens slot 42.
Long flat type metal stretching bar 3 coordinates the fixed guide rail 2 of U-shaped activity, and close slidable adjustment may be implemented.
In the application, the tuner 1 can be multiple.
In the application, the integrated phase lock loop circuit includes voltage-controlled oscillator, phase frequency detector, loop filter,
Phase frequency detector receives input signal and is transferred to loop filter, and loop filter output signal is to voltage-controlled oscillator, electricity
Reconstruction signal is transferred to phase frequency detector by voltage-controlled oscillator again.Form phase-locked loop.
The operation principle of the application is as follows：
U-shaped movable metallic slide guide part 2 is manufactured with metal stamping techniques, activity slide guide part 2 is inserted and fixed and is positioned over upper casing 4
Point 42 lower end of screens slot saddle 41 on, by the through-hole 43 at the top of 21 alignment and fixation shell of through-hole 7 of 2 upper half plane of slide guide part,
And then the U-shaped opening of activity slide guide part 2 combines to form upper casing 4 and lower casing 5 towards 7 center of fixing shell
The fixing shell 7 of tuner 1.
Metal stretching bar 3 is penetrated in the activity slide guide part 2 being fixedly mounted in shell screens slot 42, determines two height
When ensureing that two tuners 1 are in same level after the distance of frequency head 1, pushed up from the fixing shell 7 of tuner 1 with bolt 6
The through-hole 43 in portion passes through the tapped through hole 21 at 2 upper half plane center of activity slide guide part, until compressing metal stretching bar 3, by two height
1 bolt of frequency head is fixed on metal stretching bar 3, so that two tuners 1 is in a plane and is kept suitable spacing.
A-tuner 1 is fixed in the offset-fed holder of satellite receiver when installation, again according to satellite reception high field into
Row position receiver.And demand can be received according to client, the mobile TV programme for receiving different synchronous satellites are carried out to B-tuner 1.
（C-tuner, D-tuner etc. can also be increased on demand）.
Protection scope of the present invention is not limited to above-mentioned specific example mode, and basic fundamental according to the present invention is conceived,
Those of ordinary skill in the art need not move through creative work, you can the embodiment associated belongs to the protection of the present invention
Range.
Claims (5)
1. a kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed, which is characterized in that including tuner, metal stretching bar,
Two tuners in tandem, the tuner are in a plane side by side on the metal stretching bar, and the tuner is logical
Bolt is crossed to be locked on metal stretching bar；
The tuner has a cylindric fixing shell, the fixing shell top to set there are one screens slot, and fixing shell includes
Upper casing and lower casing, the screens slot lower end for being located at Upper portion are equipped with saddle of the downward shell side to stretching, are located at card at the top of upper casing
The through-hole of threaded interior walls is equipped with above the slot of position；
Equipped with the activity slide guide part stretched with the cooperation metal stretching bar movement, the activity slide guide part inside the screens slot
It is placed on the saddle.
2. a kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed according to claim 1, which is characterized in that the activity
Fixed guide rail is U-shaped rails and is metal material, and the fixed guide rail of activity is equipped with the logical of threaded interior walls in demifacet center up and down
Hole.
3. a kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed according to claim 1, which is characterized in that the metal
Stretch rod is a block length flat type metal strip.
4. a kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed according to claim 1, which is characterized in that the high frequency
Head can be multiple.
5. a kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed according to claim 1, which is characterized in that described integrated
Phase-locked loop circuit includes voltage-controlled oscillator, phase frequency detector, loop filter, phase frequency detector reception input signal transmission
To loop filter, loop filter output signal again passes reconstruction signal to voltage-controlled oscillator, voltage-controlled oscillator
It is defeated by phase frequency detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915623.XA CN108718394A (en) | 2018-08-13 | 2018-08-13 | A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915623.XA CN108718394A (en) | 2018-08-13 | 2018-08-13 | A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108718394A true CN108718394A (en) | 2018-10-30 |
Family
ID=63914440
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810915623.XA Pending CN108718394A (en) | 2018-08-13 | 2018-08-13 | A kind of adjustable frequency demultiplier of the more stars of KU wave bands list feed |
Country Status (1)
| Country | Link |
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| CN (1) | CN108718394A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488182Y (en) * | 2001-04-23 | 2002-04-24 | 键吉科技股份有限公司 | Adjustable fixing supporter for multiple down converters |
| CN201383857Y (en) * | 2009-04-18 | 2010-01-13 | 李俊杰 | Double-ported feed disc |
| CN202150836U (en) * | 2011-07-28 | 2012-02-22 | 珠海市肯普电子科技有限公司 | Ku waveband double-local-oscillator single-output combined frequency demultiplier |
| CN104698476A (en) * | 2015-04-02 | 2015-06-10 | 芜湖航飞科技股份有限公司 | GPS satellite navigation receiver based on three-level mixing structure |
| CN106101549A (en) * | 2016-07-07 | 2016-11-09 | 浙江宇视科技有限公司 | Automatic switching method, Apparatus and system round the clock |
| CN106341156A (en) * | 2016-08-31 | 2017-01-18 | 安徽赛福电子有限公司 | Maritime communication antenna transceiver |
| CN108093183A (en) * | 2018-02-11 | 2018-05-29 | 普联技术有限公司 | A kind of video camera diurnal pattern switching method and terminal device |
| CN108173545A (en) * | 2018-01-17 | 2018-06-15 | 上海交通大学 | Phase-locked loop circuit, more phase-locked loop systems and its output phase synchronous method |
| CN208798085U (en) * | 2018-08-13 | 2019-04-26 | 珠海市普斯赛特科技有限公司 | A kind of adjustable frequency demultiplier of the more stars of KU wave band list feed |
-
2018
- 2018-08-13 CN CN201810915623.XA patent/CN108718394A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488182Y (en) * | 2001-04-23 | 2002-04-24 | 键吉科技股份有限公司 | Adjustable fixing supporter for multiple down converters |
| CN201383857Y (en) * | 2009-04-18 | 2010-01-13 | 李俊杰 | Double-ported feed disc |
| CN202150836U (en) * | 2011-07-28 | 2012-02-22 | 珠海市肯普电子科技有限公司 | Ku waveband double-local-oscillator single-output combined frequency demultiplier |
| CN104698476A (en) * | 2015-04-02 | 2015-06-10 | 芜湖航飞科技股份有限公司 | GPS satellite navigation receiver based on three-level mixing structure |
| CN106101549A (en) * | 2016-07-07 | 2016-11-09 | 浙江宇视科技有限公司 | Automatic switching method, Apparatus and system round the clock |
| CN106341156A (en) * | 2016-08-31 | 2017-01-18 | 安徽赛福电子有限公司 | Maritime communication antenna transceiver |
| CN108173545A (en) * | 2018-01-17 | 2018-06-15 | 上海交通大学 | Phase-locked loop circuit, more phase-locked loop systems and its output phase synchronous method |
| CN108093183A (en) * | 2018-02-11 | 2018-05-29 | 普联技术有限公司 | A kind of video camera diurnal pattern switching method and terminal device |
| CN208798085U (en) * | 2018-08-13 | 2019-04-26 | 珠海市普斯赛特科技有限公司 | A kind of adjustable frequency demultiplier of the more stars of KU wave band list feed |
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