CN106791816A - A kind of method for detecting tuner voltage - Google Patents
A kind of method for detecting tuner voltage Download PDFInfo
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- CN106791816A CN106791816A CN201611223008.XA CN201611223008A CN106791816A CN 106791816 A CN106791816 A CN 106791816A CN 201611223008 A CN201611223008 A CN 201611223008A CN 106791816 A CN106791816 A CN 106791816A
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- Prior art keywords
- voltage
- tuner
- signal
- top box
- mode
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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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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
Abstract
The present invention provides a kind of method of automatic detection tuner voltage, and the method is comprised the following steps：Step 1)：According to the different types of polarizations mode that Set Top Box is received, select tuner voltage tester scope, and minimum test voltage value is set；Step 2)：Start test, record current signal strength and quality；Step 3) judge current voltage whether beyond this kind of voltage range of polarizations mode, if without departing from this kind of voltage range of polarizations mode, then increase 0.1v on current voltage, it is then back to step 2), if beyond this kind of voltage range of polarizations mode, into step 4)；Step 4)：The magnitude of voltage of corresponding tuner when judging signal preferably, and store the magnitude of voltage；Step 5)：Range of voltage values when display tuner reception signal is most strong.
Description
Technical field
The present invention relates to a kind of method for detecting tuner voltage, more particularly to Set Top Box automatic detection television set high frequency
The method of head voltage.
Background technology
The major distraction equipment of the numerous families of television set, television set is typically received by connected satellite set top box
TV signal, set top box for satellite receiver (set-top box, be abbreviated as STB) is that a kind of support television set provides integrated information industry
The home appliance of business, set top box for satellite receiver (abbreviation Set Top Box) is enabled users in television set by obtaining high-frequency signal from satellite
Upper viewing digital television program.Tuner is the important component of television set, and tuner is television set for receiving high frequency letter
Number and demodulate a kind of device of video information.Set top box for satellite receiver needs to be provided for the tuner of television set when receiving signal
Voltage, tuner demodulated signal is driven using the voltage.If receiving the signal of horizontal polarization mode, it is necessary to Set Top Box is
Tuner provides the voltage of 18v or so, if to receive the signal of vertical polarization mode, it is necessary to Set Top Box is provided for tuner
The voltage of 13v or so.Set Top Box of the prior art is not also sought unity of standard to supplying power for tuner voltage, vertical polarization mode
The general power supply voltage range of signal is 12.8v-13.9v, and the power supply voltage range of the signal of horizontal polarization mode is 17.8v-
18.9v.Optimum voltage required for the tuner of different vendor's production is different, there is an optimal range of voltage values,
If Set Top Box can not provide the voltage in this optimum range, will weaken tuner signal reception, and increase machine
Top box power consumption.It would therefore be highly desirable to develop a kind of detection side of the optimum reception voltage range of the tuner for adapting to different vendor's production
Method.
The content of the invention
The purpose of the present invention is achieved through the following technical solutions：
A kind of method of automatic detection tuner voltage, the method is comprised the following steps：Step 1)：Received according to Set Top Box
Different types of polarizations mode, select tuner voltage tester scope, and minimum test voltage value is set；Step 2)：
Start test, record current signal strength and quality；Step 3) judge current voltage whether beyond this kind of polarizations mode
Voltage range, if without departing from this kind of voltage range of polarizations mode, 0.1v is increased on current voltage, is then back to
Step 2), if beyond this kind of voltage range of polarizations mode, into step 4)；Step 4)：When judging signal preferably
The magnitude of voltage of corresponding tuner is waited, and stores the magnitude of voltage；Step 5)：Magnitude of voltage when display tuner reception signal is most strong
Scope.
In step 1) before, also include, after Set Top Box receives high-frequency signal, automatically into detection tuner voltage dish
It is single, and start the automatic detection tuner voltage method.Step 1) in different types of polarizations mode include, level pole
Change mode and vertical polarization mode, wherein, for horizontal polarization mode, voltage tester scope is 17.5v-19.2v；For vertical
Polarization mode, voltage tester scope is 12.5v-14.2v, no matter horizontal polarization or vertical polarization, all selects its voltage tester
Minimum voltage in scope is used as initial test voltage value.Step 2) also include, after Set Top Box sets test voltage, machine top
Box can be with the magnitude of voltage come lock signal, the intensity and quality of tracer signal afterwards.Step 3) also include, test voltage therein increases
Step-length long is 0.1v, if the test voltage for setting is beyond step 1) the middle voltage tester scope for limiting, terminates height
Frequency head voltage tester.Step 4) also include, checking step 2) in record signal intensity and quality, selection one group or it is multigroup most
Good signal index, and find tuner magnitude of voltage corresponding with the signal index.Wherein best signal index refers to letter
Number intensity highest, it is best in quality.
The step 5) include, tuner optimum voltage scope used by display user.The Set Top Box is DVB
Top box, the tuner is television tuner.
Relative to prior art, the present invention has advantages below：
Using the method for the present invention, Set Top Box can intelligently, can be with indiscriminate any producer's tuner of detection most
Good receiving voltage scope, so as to provide the voltage in optimum range for tuner so that tuner enters best reception state, together
When save Set Top Box power consumption.
Brief description of the drawings
Fig. 1 is the flow chart of the embodiment of the present invention.
Specific embodiment
Technical scheme is further illustrated in conjunction with specific embodiment.
A kind of method of automatic detection tuner voltage includes, as shown in figure 1, it is comprised the following steps：
Step 1)：According to the different types of polarizations mode that Set Top Box is received, tuner voltage tester scope is selected,
And minimum test voltage value is set；
Step 2)：Start test, record current signal strength and quality；
Step 3) whether current voltage is judged beyond this kind of voltage range of polarizations mode, if believed without departing from this kind
The voltage range of number polarization mode, then increase 0.1v on current voltage, is then back to step 2), if exceeding this kind of pickup electrode
The voltage range of change mode, then into step 4)；
Step 4)：The magnitude of voltage of corresponding tuner when judging signal preferably, and store the magnitude of voltage；
Step 5)：Range of voltage values when display tuner reception signal is most strong, so as to show that tuner is most used by user
Good voltage range.
Wherein, in step 1) before, also include, after Set Top Box receives high-frequency signal, automatically into detection tuner electricity
Pressure menu, and start the automatic detection tuner voltage method.
Step 1) in different types of polarizations mode include, horizontal polarization mode and vertical polarization mode, wherein,
For horizontal polarization mode, voltage tester scope is 17.5v-19.2v；For vertical polarization mode, voltage tester scope is
12.5v-14.2v, no matter horizontal polarization or vertical polarization, selects minimum voltage in its voltage tester scope as rising
Beginning test voltage value.
Step 2) also include, after Set Top Box sets test voltage, Set Top Box can with the magnitude of voltage come lock signal, postscript
Record the intensity and quality of signal.
Step 3) also include, it is 0.1v that test voltage therein increases step-length, if the test voltage for setting has exceeded
Step 1) in the voltage tester scope that limits, then terminate tuner voltage tester.
Step 4) also include, checking step 2) the middle signal intensity and quality for recording, one group of selection or multigroup best
Signal index, and tuner magnitude of voltage corresponding with the signal index is found, in addition, wherein best signal index refers to letter
Number intensity highest, it is best in quality.
The method of present invention detection tuner voltage, can cause Set Top Box upon receipt of the signals, automatically into high frequency
Head voltage detecting menu, automatically the optimum voltage scope to the tuner of different vendor detect, it is achieved thereby that tuner
The automatic detection of voltage, improves signal intensity and quality.
Claims (9)
1. a kind of method of automatic detection tuner voltage, it is characterised in that the method is comprised the following steps：
Step 1)：According to the different types of polarizations mode that Set Top Box is received, tuner voltage tester scope is selected, and set
Put minimum test voltage value；
Step 2)：Start test, record current signal strength and quality；
Step 3) whether current voltage is judged beyond this kind of voltage range of polarizations mode, if without departing from this kind of pickup electrode
The voltage range of change mode, then increase 0.1v on current voltage, is then back to step 2), if exceeding this kind of polarizations side
The voltage range of formula, then into step 4)；
Step 4)：The magnitude of voltage of corresponding tuner when judging signal preferably, and store the magnitude of voltage；
Step 5)：Range of voltage values when display tuner reception signal is most strong.
2. method according to claim 1, it is characterised in that in step 1) before, also including, Set Top Box receives high frequency letter
After number, automatically into detection tuner voltage menu, and start the automatic detection tuner voltage method.
3. method according to claim 1, it is characterised in that step 1) in different types of polarizations mode include,
Horizontal polarization mode and vertical polarization mode, wherein, for horizontal polarization mode, voltage tester scope is 17.5v-19.2v；It is right
In vertical polarization mode, voltage tester scope is 12.5v-14.2v, no matter horizontal polarization or vertical polarization, all selects its electricity
Minimum voltage in pressure test scope is used as initial test voltage value.
4. method according to claim 1, it is characterised in that step 2) also include, after Set Top Box sets test voltage, machine
Top box can be with the magnitude of voltage come lock signal, the intensity and quality of tracer signal afterwards.
5. method according to claim 3, it is characterised in that step 3) also include, test voltage therein increases step-length is
0.1v, if the test voltage for setting is beyond step 1) the middle voltage tester scope for limiting, terminates tuner voltage
Test.
6. method according to claim 1, it is characterised in that step 4) also include, checking step 2) in record signal it is strong
Degree and quality, select one group or multigroup best signal index, and find tuner magnitude of voltage corresponding with the signal index.
7. method according to claim 6, it is characterised in that wherein best signal index refers to signal intensity highest,
It is best in quality.
8. method according to claim 1, it is characterised in that step 5) include, tuner optimum voltage used by display user
Scope.
9. method according to claim 1, it is characterised in that the Set Top Box is set top box for satellite receiver, the tuner
It is television tuner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223008.XA CN106791816B (en) | 2016-12-27 | 2016-12-27 | A method of detection tuner voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223008.XA CN106791816B (en) | 2016-12-27 | 2016-12-27 | A method of detection tuner voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106791816A true CN106791816A (en) | 2017-05-31 |
| CN106791816B CN106791816B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611223008.XA Active CN106791816B (en) | 2016-12-27 | 2016-12-27 | A method of detection tuner voltage |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070213024A1 (en) * | 2006-03-07 | 2007-09-13 | Hitachi Cable, Ltd. | Tunable receiving apparatus and method therefor |
| CN201146499Y (en) * | 2008-01-15 | 2008-11-05 | 青岛海信电器股份有限公司 | Polarization mode selection circuit and satellite receiver containing the same |
| CN202309991U (en) * | 2011-10-17 | 2012-07-04 | 四川福润得数码科技有限责任公司 | Performance testing system of electronic tuner |
| CN104144338A (en) * | 2013-05-07 | 2014-11-12 | 纬创资通股份有限公司 | Method for measuring output voltage of tuner of receiving device, adapter and receiving device |
| CN205408081U (en) * | 2016-02-18 | 2016-07-27 | 珠海迈科智能科技股份有限公司 | Tuner test system |
-
2016
- 2016-12-27 CN CN201611223008.XA patent/CN106791816B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070213024A1 (en) * | 2006-03-07 | 2007-09-13 | Hitachi Cable, Ltd. | Tunable receiving apparatus and method therefor |
| CN201146499Y (en) * | 2008-01-15 | 2008-11-05 | 青岛海信电器股份有限公司 | Polarization mode selection circuit and satellite receiver containing the same |
| CN202309991U (en) * | 2011-10-17 | 2012-07-04 | 四川福润得数码科技有限责任公司 | Performance testing system of electronic tuner |
| CN104144338A (en) * | 2013-05-07 | 2014-11-12 | 纬创资通股份有限公司 | Method for measuring output voltage of tuner of receiving device, adapter and receiving device |
| CN205408081U (en) * | 2016-02-18 | 2016-07-27 | 珠海迈科智能科技股份有限公司 | Tuner test system |
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| Publication number | Publication date |
|---|---|
| CN106791816B (en) | 2018-08-10 |
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