CN107645641A - Set top box Tuner protectors and means of defence - Google Patents
Set top box Tuner protectors and means of defence Download PDFInfo
- Publication number
- CN107645641A CN107645641A CN201710858545.XA CN201710858545A CN107645641A CN 107645641 A CN107645641 A CN 107645641A CN 201710858545 A CN201710858545 A CN 201710858545A CN 107645641 A CN107645641 A CN 107645641A
- Authority
- CN
- China
- Prior art keywords
- tuner
- inductance
- protection inductance
- standing
- protection
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Protection Of Static Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention relates to a kind of set top box Tuner protectors and means of defence, the protector, including：Standing protection inductance, standby protection inductance, controlling switch and voltage detection unit.The present invention sets standing protection inductance and standby protection inductance to carry out double protection in Tuner interfaces, standing protection inductance carries out normal inhibition and generation protection, secondary protection is carried out by standby protection inductance when there are abnormal conditions, so as to comprehensively and effectively be protected when Tuner is by thunderbolt high-energy set top box Tuner, avoid causing Tuner damage or crushing damage, avoid causing security incident, risk will not be brought to set top box and user.
Description
Technical field
The present invention relates to digital television devices, more particularly to a kind of set top box Tuner protectors and means of defence.
Background technology
Set top box as it is a kind of receive TV signal product, have extensive user group, it is undeveloped in cable network
Area, the set top box indispensability with Tuner (tuner) are more prominent.Receivers of the Tuner as TV signal, it is connection
One of essential interface of the passage of outer signals and set top box main chip, even more cable set top box.
Set top box with Tuner during use, Tuner by signal wire by television signal transmission to set top box,
Due to needing to connect exposure signal wire out of doors, this results in Tuner and increased by the possibility being struck by lightning, if Tuner by
The thunderbolt energy arrived is higher than the resistible energy of itself, certain damage will be caused to Tuner, and gently then signal interruption is transmitted,
It is heavy then Tuner parts component occur and burn to cause the crushing damages of Tuner, more possibly even trigger on fire, cause safe thing
Therefore this all brings great risk to set top box and user.
The content of the invention
In view of this, it is necessary to it may be struck by lightning for above-mentioned set top box Tuner, the problem of causing risk, there is provided one
Kind set top box Tuner protectors and means of defence.
A kind of set top box Tuner protectors provided by the invention, including：Standing protection inductance, standby protection inductance, control
System switch and voltage detection unit；Standing protection inductance one end connection Tuner interfaces, other end ground connection are described standby anti-
Protecting inductance one end and connect described controlling switch one end, other end ground connection, the other end of the controlling switch is connected with Tuner, and
And junction is connected in the rear of the standing protection inductance and Tuner interface connections, the voltage detection unit with Tuner
And be arranged between the standing protection inductance and controlling switch, the voltage of junction is detected in real time, if junction voltage is more than
During preset value, the controlling switch is closed, the standby protection inductance is turned on, otherwise disconnects the controlling switch.
In one of which embodiment, the standing protection inductance and standby protection inductance are using air core coil electricity
Sense.
In one of which embodiment, the RF signal pins of standing protection inductance one end connection Tuner interfaces.
In one of which embodiment, the standing protection inductance and standby protection inductance use plug-in unit inductance.
In one of which embodiment, the winding wire diameter 0.4mm of the standing protection inductance, coil is interior to pass through
2.2mm, coil turn 17；The standby protection inductance coil diameter of wire 0.3mm, coil are interior through 2.2mm, coil turn 9.
A kind of set top box Tuner means of defences provided by the invention, comprise the following steps：
S10：Standing protection inductance, standing protection inductance one end connection Tuner interfaces, other end ground connection are set；
S20：Standby protection inductance and controlling switch are set, and described standby protection inductance one end connects the controlling switch one
End, other end ground connection, the other end of the controlling switch be connected with Tuner, and junction it is described it is standing protect inductance and
The rear of Tuner interface connections；
S30：Voltage detection unit is set, is connected and is arranged between standing protection inductance and controlling switch with Tuner, it is real
When detect junction voltage, if junction voltage is more than preset value, the controlling switch is closed, conducting it is described it is standby prevent
Inductance is protected, otherwise disconnects the controlling switch.
In one of which embodiment, the standing protection inductance and standby protection inductance are using air core coil electricity
Sense.
In one of which embodiment, the RF signal pins of standing protection inductance one end connection Tuner interfaces.
In one of which embodiment, the standing protection inductance and standby protection inductance use plug-in unit inductance.
In one of which embodiment, the winding wire diameter 0.4mm of the standing protection inductance, coil is interior to pass through
2.2mm, coil turn 17；The standby protection inductance coil diameter of wire 0.3mm, coil are interior through 2.2mm, coil turn 9.
Set top box Tuner protectors and means of defence of the present invention, standing protection inductance and standby is set in Tuner interfaces
Double protection is carried out with protection inductance, protection inductance is set up and carries out normal inhibition and generation protection, when there are abnormal conditions by standby protection
Inductance carries out secondary protection, so as to comprehensively and effectively be protected when Tuner is by thunderbolt high-energy set top box Tuner,
Avoid causing Tuner damage or crushing damage, avoid causing security incident, wind will not be brought to set top box and user
Danger.
Brief description of the drawings
Fig. 1 is the structure chart of the set top box Tuner protectors in one embodiment；
Fig. 2 is the flow chart of the set top box Tuner means of defences in one embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Fig. 1 is the structure chart of the set top box Tuner protectors in one embodiment, as shown in figure 1, the protector bag
Include：Standing protection inductance 100, standby protection inductance 200, controlling switch 300 and voltage detection unit 400.Standing protection inductance
100 one end connect Tuner interfaces, other end ground connection.Standby protection inductance 200 one end connection controlling switch 300 one end, the other end
Ground connection, the other end of controlling switch 300 are connected with Tuner, and junction connects in standing protection inductance 100 with Tuner interfaces
Connect the rear at place.Voltage detection unit 400 be connected with Tuner and be arranged at standing protection inductance 100 and controlling switch 300 it
Between, the voltage of junction is detected in real time, if junction voltage is more than preset value, controlling switch 300 is closed, and is turned on standby anti-
Inductance 200 is protected, otherwise controlling switch 300 is disconnected and (being preset if voltage detection unit 400 and the voltage of Tuner junctions are more than
Value, then it represents that Tuner can not be protected completely, it is necessary to will control by very big voltage, standing protection inductance 100
The closure of system switch 300 enables standby protection inductance 200, in order to avoid Tuner is damaged by big voltage, if voltage detection unit 400 with
The voltage of Tuner junctions is not greater than preset value, then need not enable standby protection inductance 200, and controlling switch 300, which disconnects, is
Can).
In the way of example, standing protection inductance 100 and standby protection inductance 200 use air cored coil inductors.
RF signals (vision signal) pin of standing protection inductance 100 one end connection Tuner interfaces.It is laid out according to Tuner (Layout)
Requirement, setting up the RF signal pins distance of protection inductance 100 and Tuner interfaces needs close, therefore standing protects the He of inductance 100
Standby protection inductance 200 uses plug-in unit inductance, prevents that caused heat melts tin under strong thunderbolt, the problems such as causing short circuit.
Due to the inductance of identical inductance value, the bigger inductance of line footpath is more resistant against stronger thunderbolt, therefore standing protection inductance 100
Using the big inductance of line footpath, standby protection inductance 200 is using the small inductance of line footpath.Further, the line of protection inductance 100 is set up
Diameter of wire 0.4mm (millimeter) is enclosed, coil is interior through 2.2mm, coil turn 17.The standby protection winding wire diameter of inductance 200
0.3mm, coil are interior through 2.2mm, coil turn 9.
Set top box Tuner protectors, standing protection inductance 100 and standby protection inductance are set in Tuner interfaces
200 carry out double protection, and standing protection inductance 100 carries out normal inhibition and generation protection, when there are abnormal conditions by standby protection inductance
200 carry out secondary protection, so as to comprehensively and effectively be protected when Tuner is by thunderbolt high-energy set top box Tuner, keep away
Exempt to cause Tuner damage or crushing damage, avoid causing security incident, risk will not be brought to set top box and user.
In addition, the present invention also provides a kind of set top box Tuner means of defences, as shown in Fig. 2 the means of defence is including as follows
Step：
S10：Standing protection inductance is set, sets up protection inductance one end connection Tuner interfaces, other end ground connection.
S20：Standby protection inductance and controlling switch are set, and standby protection inductance one end connects controlling switch one end, another
End ground connection, the other end of controlling switch are connected with Tuner, and junction is in standing protection inductance and Tuner interface connections
Rear.
S30：Voltage detection unit is set, is connected and is arranged between standing protection inductance and controlling switch with Tuner, it is real
When detect junction voltage, if junction voltage is more than preset value, controlling switch is closed, turns on standby protection inductance,
Otherwise controlling switch is disconnected.
If voltage detection unit and the voltage of Tuner junctions are more than preset value, then it represents that Tuner is by very big
Voltage, standing protection inductance can not be protected completely, it is necessary to controlling switch closure is enabled into standby protection inductance, in order to avoid
Tuner is damaged by big voltage, if voltage detection unit and the voltage of junction are not greater than preset value, need not enable standby
Inductance is protected, controlling switch disconnects).
In the way of example, standing protection inductance and standby protection inductance use air cored coil inductors.It is standing anti-
Protect RF signals (vision signal) pin of inductance one end connection Tuner interfaces.
The requirement being laid out according to Tuner (Layout), setting up the RF signal pins distance of protection inductance and Tuner interfaces needs
It is close, therefore standing protection inductance and standby protection inductance use plug-in unit inductance, prevent in the case where being struck by lightning by force caused heat by tin
Melt, the problems such as causing short circuit.
Due to the inductance of identical inductance value, the bigger inductance of line footpath is more resistant against stronger thunderbolt, therefore standing protection inductance is adopted
With the big inductance of line footpath, standby protection inductance is using the small inductance of line footpath.Further, the winding wire for setting up protection inductance is straight
Footpath 0.4mm, coil it is interior through 2.2mm, coil turn 17.Standby protection inductance coil diameter of wire 0.3mm, the interior warp of coil
2.2mm, coil turn 9.
Set top box Tuner means of defences, standing protection inductance and standby protection inductance is set to carry out in Tuner interfaces
Double protection, set up protection inductance and carry out normal inhibition and generation protection, it is secondary anti-by standby protection inductance progress when there are abnormal conditions
Shield, so as to comprehensively and effectively protect set top box Tuner when Tuner is by thunderbolt high-energy, avoid causing Tuner
Damage or crushing damage, avoid causing security incident, will not bring risk to set top box and user.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. set top box Tuner protectors, it is characterised in that including：Standing protection inductance, standby protection inductance, control Switch and voltage detection unit；Standing protection inductance one end connection Tuner interfaces, other end ground connection, the standby protection Inductance one end connects described controlling switch one end, other end ground connection, and the other end of the controlling switch is connected with Tuner, and Junction is connected simultaneously in the rear of the standing protection inductance and Tuner interface connections, the voltage detection unit with Tuner It is arranged between the standing protection inductance and controlling switch, the voltage of junction is detected in real time, if junction voltage is more than in advance If during value, the controlling switch is closed, the standby protection inductance is turned on, otherwise disconnects the controlling switch.
- 2. set top box Tuner protectors according to claim 1, it is characterised in that the standing protection inductance and standby Air cored coil inductors are used with protection inductance.
- 3. set top box Tuner protectors according to claim 2, it is characterised in that described standing protection inductance one end Connect the RF signal pins of Tuner interfaces.
- 4. set top box Tuner protectors according to claim 3, it is characterised in that the standing protection inductance and standby Plug-in unit inductance is used with protection inductance.
- 5. set top box Tuner protectors according to claim 4, it is characterised in that the line of the standing protection inductance Diameter of wire 0.4mm is enclosed, coil is interior through 2.2mm, coil turn 17；The standby protection inductance coil diameter of wire 0.3mm, line Through 2.2mm, coil turn 9 in circle.
- 6. a kind of set top box Tuner means of defences, it is characterised in that comprise the following steps：S10：Standing protection inductance, standing protection inductance one end connection Tuner interfaces, other end ground connection are set；S20：Standby protection inductance and controlling switch are set, described standby protection inductance one end connects described controlling switch one end, The other end is grounded, and the other end of the controlling switch be connected with Tuner, and junction it is described it is standing protect inductance and The rear of Tuner interface connections；S30：Voltage detection unit is set, is connected and is arranged between standing protection inductance and controlling switch with Tuner, inspection in real time The voltage of junction is surveyed, if junction voltage is more than preset value, the controlling switch is closed, the conducting standby protection electricity Sense, otherwise disconnects the controlling switch.
- 7. set top box Tuner means of defences according to claim 6, it is characterised in that the standing protection inductance and standby Air cored coil inductors are used with protection inductance.
- 8. set top box Tuner means of defences according to claim 7, it is characterised in that described standing protection inductance one end Connect the RF signal pins of Tuner interfaces.
- 9. set top box Tuner means of defences according to claim 8, it is characterised in that the standing protection inductance and standby Plug-in unit inductance is used with protection inductance.
- 10. set top box Tuner means of defences according to claim 9, it is characterised in that the line of the standing protection inductance Diameter of wire 0.4mm is enclosed, coil is interior through 2.2mm, coil turn 17；The standby protection inductance coil diameter of wire 0.3mm, line Through 2.2mm, coil turn 9 in circle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858545.XA CN107645641B (en) | 2017-09-21 | 2017-09-21 | Tuner protection device and protection method for set top box |
| PCT/CN2018/097427 WO2019056853A1 (en) | 2017-09-21 | 2018-07-27 | Set-top box tuner protection device and protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858545.XA CN107645641B (en) | 2017-09-21 | 2017-09-21 | Tuner protection device and protection method for set top box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107645641A true CN107645641A (en) | 2018-01-30 |
| CN107645641B CN107645641B (en) | 2020-02-07 |
Family
ID=61111892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710858545.XA Expired - Fee Related CN107645641B (en) | 2017-09-21 | 2017-09-21 | Tuner protection device and protection method for set top box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107645641B (en) |
| WO (1) | WO2019056853A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056853A1 (en) * | 2017-09-21 | 2019-03-28 | 深圳市九洲电器有限公司 | Set-top box tuner protection device and protection method |
| CN110913253A (en) * | 2018-09-14 | 2020-03-24 | 金宝电子工业股份有限公司 | Connector module and set-top box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492968Y (en) * | 2000-12-19 | 2002-05-22 | 陈吉效 | Signal channel lightning protector for broadcast, TV and communication machines |
| US20060125710A1 (en) * | 2004-11-29 | 2006-06-15 | Funai Electric Co., Ltd. | Broadcast signal receiver |
| CN101051735A (en) * | 2006-01-09 | 2007-10-10 | 弗洛雷斯·罗沙达·路易斯·冈萨罗 | Electric distribution network electrical equipment |
| CN101447666A (en) * | 2007-11-27 | 2009-06-03 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and power overvoltage safety protection control method |
| CN201491153U (en) * | 2009-08-31 | 2010-05-26 | Tcl集团股份有限公司 | TV set top box tuner circuit with interactive receiving function |
| US20120321279A1 (en) * | 2011-06-15 | 2012-12-20 | Rovi Technologies Corporation | Method and apparatus for providing an interactive and or electronic programming guide |
| CN204681245U (en) * | 2015-06-19 | 2015-09-30 | 国网四川省电力公司南充供电公司 | Power source loads open loop protection circuit |
| CN206481055U (en) * | 2017-02-28 | 2017-09-08 | 浙江省地震监测预报研究中心 | Lightning protection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI322617B (en) * | 2006-09-12 | 2010-03-21 | Himax Tech Ltd | A tv tuner and the manufacturing method thereof |
| CN101179677B (en) * | 2006-11-08 | 2011-12-14 | 奇景光电股份有限公司 | Television tuner and manufacturing method thereof |
| CN203225714U (en) * | 2013-05-24 | 2013-10-02 | 仪特电子工业（宁波）有限公司 | Anti-lightning filter |
| CN205510242U (en) * | 2016-03-01 | 2016-08-24 | 海德昆仑（北京）科技股份有限公司 | TV with overvoltage protection |
| CN107645641B (en) * | 2017-09-21 | 2020-02-07 | 深圳市九洲电器有限公司 | Tuner protection device and protection method for set top box |
-
2017
- 2017-09-21 CN CN201710858545.XA patent/CN107645641B/en not_active Expired - Fee Related
-
2018
- 2018-07-27 WO PCT/CN2018/097427 patent/WO2019056853A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492968Y (en) * | 2000-12-19 | 2002-05-22 | 陈吉效 | Signal channel lightning protector for broadcast, TV and communication machines |
| US20060125710A1 (en) * | 2004-11-29 | 2006-06-15 | Funai Electric Co., Ltd. | Broadcast signal receiver |
| CN101051735A (en) * | 2006-01-09 | 2007-10-10 | 弗洛雷斯·罗沙达·路易斯·冈萨罗 | Electric distribution network electrical equipment |
| CN101447666A (en) * | 2007-11-27 | 2009-06-03 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and power overvoltage safety protection control method |
| CN201491153U (en) * | 2009-08-31 | 2010-05-26 | Tcl集团股份有限公司 | TV set top box tuner circuit with interactive receiving function |
| US20120321279A1 (en) * | 2011-06-15 | 2012-12-20 | Rovi Technologies Corporation | Method and apparatus for providing an interactive and or electronic programming guide |
| CN204681245U (en) * | 2015-06-19 | 2015-09-30 | 国网四川省电力公司南充供电公司 | Power source loads open loop protection circuit |
| CN206481055U (en) * | 2017-02-28 | 2017-09-08 | 浙江省地震监测预报研究中心 | Lightning protection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056853A1 (en) * | 2017-09-21 | 2019-03-28 | 深圳市九洲电器有限公司 | Set-top box tuner protection device and protection method |
| CN110913253A (en) * | 2018-09-14 | 2020-03-24 | 金宝电子工业股份有限公司 | Connector module and set-top box |
| CN110913253B (en) * | 2018-09-14 | 2021-10-08 | 金宝电子工业股份有限公司 | Connector module and set-top box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019056853A1 (en) | 2019-03-28 |
| CN107645641B (en) | 2020-02-07 |
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