CN106527273A - DSP chip-based intelligent temperature-controllable high-frequency tuner - Google Patents
DSP chip-based intelligent temperature-controllable high-frequency tuner Download PDFInfo
- Publication number
- CN106527273A CN106527273A CN201611093722.1A CN201611093722A CN106527273A CN 106527273 A CN106527273 A CN 106527273A CN 201611093722 A CN201611093722 A CN 201611093722A CN 106527273 A CN106527273 A CN 106527273A
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- CN
- China
- Prior art keywords
- dsp
- intelligent temperature
- dsp chip
- circuit board
- dsp controller
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The invention discloses a DSP chip-based intelligent temperature-controllable high-frequency tuner, which comprises a microstrip transition circuit board and a DSP controller. The microstrip transition circuit board is fixedly mounted on the upper surface of a metal board. The two ends of the metal board are further provided with polarization probes for receiving radio frequency signals. The front side of the microstrip transition circuit board is fixedly provided with a microstrip line. The upper surface of the microstrip transition circuit board is fixedly provided with a dielectric resonator. The DSP controller is connected with the data terminal of the dielectric resonator through a control line arranged on the inner side thereof. The input terminal of the DSP controller is connected with a sensor group through bidirectional stranded wires. The output terminal of the DSP controller is connected with a miniature motor. The input terminal of the DSP controller is further connected with a dual-band and dual-polarized high-frequency tuner module. The DSP chip-based intelligent temperature-controllable high-frequency tuner can shield the electromagnetic interference, and the entire circuit of the DSP chip-based intelligent temperature-controllable high-frequency tuner is simple in design structure. The DSP chip-based intelligent temperature-controllable high-frequency tuner is strong in signal anti-interference capability and high in practicability.
Description
Technical field
The present invention relates to tuner technical field, the controllable tuner of the specially a kind of intelligent temperature based on dsp chip.
Background technology
As China is based on " Rural areas " of No. nine direct broadcasting satellites of culminant star, the lasting popularization of " leading in every family " engineering and the whole world
The fast development of direct broadcasting satellite industry, market are increasing to the demand of tuner, while also having promoted whole tuner to produce
Industry flourishes, and the species of product is more and more, the also more and more higher of the requirement to performance, cavity temperature can control tuner
Grind, for multi-sat outdoor unit, with the aggravation of global warming situation, the natively high frequency under outdoor conditions
For head, it is proposed that bigger challenge.Circuit in tuner is by circuits such as low noise amplification, local oscillator, mixing, power amplifications
Composition.And the change of transistor parameter during variation of ambient temperature, can be caused, the unstable of quiescent point can be so caused, is made
Circuit dynamic parameter is unstable, or even makes the circuit cannot normal work.In general, temperature is raised, the Current amplifier of transistor
Multiple increases, and Q points are raised；Otherwise reduce.The electric current that this part additionally increases is that temperature change causes.And then to satellite reception
Local oscillator degree of stability, gain and noise in unit produces impact.
The content of the invention
For problem above, the invention provides a kind of controllable tuner of intelligent temperature based on dsp chip, by DSP
Control of the controller to the temperature of high frequency cavity, and then the effect of stablizing effect is reached, even if can in summer and desert area
Good reception is obtained, can be with the problem in effectively solving background technology.
For achieving the above object, the present invention provides following technical scheme：A kind of controllable height of the intelligent temperature based on dsp chip
Frequency head, including microstrip transition circuit board and dsp controller, the microstrip transition circuit board are fixedly mounted on the upper table of metallic plate
Face, and be additionally provided with for receiving the polarization probe of radiofrequency signal at the two ends of metallic plate, the microstrip transition circuit board is just
Face is also installed with microstrip line, and the inner surface in microstrip line is additionally provided with conical corrugated speaker, the microstrip transition circuit
The upper surface of plate is also installed with dielectric resonator, and the upper surface in dielectric resonator is also installed with temperature sensing
Device；The dsp controller is connected with the data terminal of dielectric resonator by the control line on the inside of which, the DSP controls
The input of device processed is connected with sensor group by two-way twisted wire, and in the outfan and micromotor phase of dsp controller
Connection, the input of the micromotor are connected with low-noise preamplifier, and the input of the dsp controller also connects
It is connected to dual-band dual-polarized high frequency head module to be connected.
Used as a kind of preferred technical scheme of the present invention, the bottom also fixation of the polarization probe is embedded in the interior of polarization piece
On surface.
Used as a kind of preferred technical scheme of the present invention, the low-noise preamplifier includes Waveguide-microbelt conversion head mould
Block, the outfan of the Waveguide-microbelt conversion head module are connected with isolator, and the outfan of the isolator is also put by FET
Big device is connected with bipolar transistor amplifier, outfan and the resistive attenuator phase of the bipolar transistor amplifier
Connection.
Used as a kind of preferred technical scheme of the present invention, the dual-band dual-polarized high frequency head module includes receiver, institute
The outfan for stating receiver is connected with Receiver Module, and the data terminal of the Receiver Module is additionally provided with RS232 numbers
According to receiving port.
Used as a kind of preferred technical scheme of the present invention, the dsp controller is provided with multiple two-way using FPDP
The process chip of the TMS320C2000 series of interface.
Used as a kind of preferred technical scheme of the present invention, the inside of the temperature sensor also includes rainwater detector.
Used as a kind of preferred technical scheme of the present invention, the isolator is grouped powering mode using power supply.
Compared with prior art, the invention has the beneficial effects as follows：The controllable tuner of intelligent temperature based on dsp chip is somebody's turn to do,
By using dsp processor as control unit core, by corresponding temperature sensor for support, when the temperature of test chamber
When degree is within certain zone of reasonableness, any action is not carried out, the purpose of radiating is reached by fin-type fin.Work as detection
When temperature is higher than certain limit, and when rainwater induction apparatuss are not detected by rainwater accordingly, DSP sends control signal and controls chamber
The lifting of the cavity wall of the cavity of body surrounding, is lowered the temperature to circuit system by air.Fin-type fin has passed through HFSS
Electromagnetic Simulation can not only radiate, and electromagnetic interference can also be shielded, whole circuit design structure is simple, and the anti-interference energy of signal
Power is strong, and practicality is higher.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cross-sectional view of the present invention；
Fig. 3 is low-noise amplifier internal structure schematic diagram of the present invention；
Fig. 4 is three-level low-noise preamplifier circuit diagram of the present invention；
Fig. 5 is microwave internal circuit configuration schematic diagram of the present invention.
In figure：1- microstrip transition circuit boards；2- metallic plates；3- polarization probes；4- microstrip lines；5- conical corrugated speakers；6-
Dielectric resonator；7- temperature sensors；8- rainwater detectors；9-DSP controllers；10- micromotors；11- two wavebands are bipolar
Change high frequency head module；12- sensor groups；13- low-noise preamplifiers；14- Waveguide-microbelts change head module；15- isolators；
16-FET amplifiers；17- bipolar transistor amplifiers；18- resistive attenuators；19- receivers；20- Receiver Modules；
21- polarization pieces.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment：
Fig. 1 to Fig. 5 is referred to, the present invention provides a kind of technical scheme：A kind of controllable high frequency of the intelligent temperature based on dsp chip
Head, including microstrip transition circuit board 1 and dsp controller 9, the microstrip transition circuit board 1 are fixedly mounted on the upper table of metallic plate 2
Face, and be additionally provided with for receiving the polarization probe 3 of radiofrequency signal at the two ends of metallic plate 2, the bottom of the polarization probe 3 is also
Fixation is embedded on the inner surface of polarization piece 21, and the front of the microstrip transition circuit board 1 is also installed with microstrip line 4, and
Conical corrugated speaker 5 is additionally provided with the inner surface of microstrip line 4, the upper surface of the microstrip transition circuit board 1 is also fixedly mounted
There is dielectric resonator 6, and the upper surface in dielectric resonator 6 is also installed with temperature sensor 7, the temperature sensor 7
Inside also include rainwater detector 8；The dsp controller 9 is by the control line on the inside of which and dielectric resonator 6
Data terminal is connected, and the input of the dsp controller 9 is connected with sensor group 12 by two-way twisted wire, the DSP controls
Device 9 is provided with the process chip of the TMS320C2000 series of multiple bidirectional interfaces using FPDP, and in dsp controller 9
Outfan is connected with micromotor 10, and the input of the micromotor 10 is connected with low-noise preamplifier 13
Connect, the input of the dsp controller 9 is also associated with dual-band dual-polarized high frequency head module 11 and is connected, the two waveband is double
Polarization high frequency head module 11 includes receiver 19, and the outfan of the receiver 19 is connected with Receiver Module 20, described
The data terminal of Receiver Module 20 is additionally provided with RS232 data receiver ports.
The low-noise preamplifier 13 includes Waveguide-microbelt conversion head module 14, and the Waveguide-microbelt changes head module
14 outfan is connected with isolator 15, the isolator 15 using power supply be grouped powering mode, will motor driving electricity
Source is separately controlled with control power supply, and the outfan of isolator 15 also passes through FET amplifiers 16 and bipolar transistor amplifier
17 are connected, and the outfan of the bipolar transistor amplifier 17 is connected with resistive attenuator 18, before the low noise
Put field effect transistor amplifier 13 to be made up of multistage field effect transistor amplifier, its input adds a low-loss isolator to obtain
Less voltage standing wave ratio is obtained, is matched with feed.
The rainwater detector 8：Employ the sensor that small pieces etched printed circuit plate makes, and one simple
Ghyristor circuit detects rainwater and drives buzzer sounding.
The dual-band dual-polarized high frequency head module 11：Tuner press receives frequency scope, be divided into again C-band tuner and
Ku wave band tuners.
The operation principle of the present invention：The controllable tuner of intelligent temperature based on dsp chip is somebody's turn to do, by adopting dsp processor
As the core of control unit, by corresponding temperature sensor to support, when the temperature of test chamber is in certain zone of reasonableness
Within when, do not carry out any action, the purpose of radiating reached by fin-type fin.When detection temperature is higher than certain limit
When, and when rainwater induction apparatuss are not detected by rainwater accordingly, DSP sends the chamber that control signal controls the cavity of cavity surrounding
The lifting of body wall, is lowered the temperature to circuit system by air.Fin-type fin has passed through the Electromagnetic Simulation of HFSS can not only
Radiating, and electromagnetic interference can also be shielded, whole circuit design structure is simple, and signal strong antijamming capability, and practicality is higher.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of controllable tuner of intelligent temperature based on dsp chip, including microstrip transition circuit board（1）And dsp controller
（9）, the microstrip transition circuit board（1）It is fixedly mounted on metallic plate（2）Upper surface, and in metallic plate（2）Two ends also set
It is equipped with for receiving the polarization probe of radiofrequency signal（3）, it is characterised in that：The microstrip transition circuit board（1）Front it is also solid
Dingan County is equipped with microstrip line（4）, and in microstrip line（4）Inner surface be additionally provided with conical corrugated speaker（5）, the microstrip transition electricity
Road plate（1）Upper surface be also installed with dielectric resonator（6）, and in dielectric resonator（6）Upper surface also fixedly mount
There is temperature sensor（7）；The dsp controller（9）By control line and dielectric resonator on the inside of which（6）Data
End is connected, the dsp controller（9）Input by two-way twisted wire and sensor group（12）It is connected, and in DSP controls
Device（9）Outfan and micromotor（10）It is connected, the micromotor（10）Input and low noise before put
Big device（13）It is connected, the dsp controller（9）Input be also associated with dual-band dual-polarized high frequency head module（11）It is connected
Connect.
2. the controllable tuner of a kind of intelligent temperature based on dsp chip according to claim 1, it is characterised in that：It is described
Polarization probe（3）Bottom also fixation be embedded in polarization piece（21）Inner surface on.
3. the controllable tuner of a kind of intelligent temperature based on dsp chip according to claim 1, it is characterised in that：It is described
Low-noise preamplifier（13）Head module is changed including Waveguide-microbelt（14）, the Waveguide-microbelt conversion head module（14）It is defeated
Go out end and isolator（15）It is connected, the isolator（15）Outfan also pass through FET amplifiers（16）With bipolar transistor
Pipe amplifier（17）It is connected, the bipolar transistor amplifier（17）Outfan and resistive attenuator（18）It is connected
Connect.
4. the controllable tuner of a kind of intelligent temperature based on dsp chip according to claim 1, it is characterised in that：It is described
Dual-band dual-polarized high frequency head module（11）Including receiver（19）, the receiver（19）Outfan and Receiver Module
（20）It is connected, the Receiver Module（20）Data terminal be additionally provided with RS232 data receiver ports.
5. the controllable tuner of a kind of intelligent temperature based on dsp chip according to claim 1, it is characterised in that：It is described
Dsp controller（9）The process chip of the TMS320C2000 series of multiple bidirectional interfaces is provided with using FPDP.
6. the controllable tuner of a kind of intelligent temperature based on dsp chip according to claim 1, it is characterised in that：It is described
Temperature sensor（7）Inside also include rainwater detector（8）.
7. the controllable tuner of a kind of intelligent temperature based on dsp chip according to claim 1, it is characterised in that：It is described
Isolator（15）Powering mode is grouped using power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093722.1A CN106527273A (en) | 2016-12-02 | 2016-12-02 | DSP chip-based intelligent temperature-controllable high-frequency tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093722.1A CN106527273A (en) | 2016-12-02 | 2016-12-02 | DSP chip-based intelligent temperature-controllable high-frequency tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106527273A true CN106527273A (en) | 2017-03-22 |
Family
ID=58354616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093722.1A Pending CN106527273A (en) | 2016-12-02 | 2016-12-02 | DSP chip-based intelligent temperature-controllable high-frequency tuner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106527273A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201860398U (en) * | 2010-11-03 | 2011-06-08 | 康佳集团股份有限公司 | Device capable of preventing high frequency head module inside television from having excess temperature |
| US20130162490A1 (en) * | 2011-12-21 | 2013-06-27 | Sony Corporation | Dual-polarized optically controlled microwave antenna |
| CN103762425A (en) * | 2013-11-04 | 2014-04-30 | 航天恒星科技有限公司 | Double-frequency double-circular polarization common-caliber antenna array for two-dimensional phase control scanning |
| CN104469217A (en) * | 2015-01-04 | 2015-03-25 | 安徽波维电子科技有限公司 | C-waveband fin type high-frequency head |
| CN104467682A (en) * | 2014-10-17 | 2015-03-25 | 绵阳雷迪创微电子科技有限公司 | Down converter capable of achieving temperature detection |
| CN205566968U (en) * | 2016-04-27 | 2016-09-07 | 广州宏创节能科技有限公司 | Special heat sink of high -voltage inverter is stabilized to high efficiency |
-
2016
- 2016-12-02 CN CN201611093722.1A patent/CN106527273A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201860398U (en) * | 2010-11-03 | 2011-06-08 | 康佳集团股份有限公司 | Device capable of preventing high frequency head module inside television from having excess temperature |
| US20130162490A1 (en) * | 2011-12-21 | 2013-06-27 | Sony Corporation | Dual-polarized optically controlled microwave antenna |
| CN103762425A (en) * | 2013-11-04 | 2014-04-30 | 航天恒星科技有限公司 | Double-frequency double-circular polarization common-caliber antenna array for two-dimensional phase control scanning |
| CN104467682A (en) * | 2014-10-17 | 2015-03-25 | 绵阳雷迪创微电子科技有限公司 | Down converter capable of achieving temperature detection |
| CN104469217A (en) * | 2015-01-04 | 2015-03-25 | 安徽波维电子科技有限公司 | C-waveband fin type high-frequency head |
| CN205566968U (en) * | 2016-04-27 | 2016-09-07 | 广州宏创节能科技有限公司 | Special heat sink of high -voltage inverter is stabilized to high efficiency |
Non-Patent Citations (2)
| Title |
|---|
| 李勇: "Ku波段双馈源高频头的设计", 《卫星电视与宽带多媒体》 * |
| 王秀军: "《卫星电视接收机使用与维修》", 31 October 2006, 电子科技大学出版社 * |
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Application publication date: 20170322 |
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