CN101340543A - Anti-flame separation coupler special for television having 3 core electric power plug - Google Patents
Anti-flame separation coupler special for television having 3 core electric power plug Download PDFInfo
- Publication number
- CN101340543A CN101340543A CNA2008100415377A CN200810041537A CN101340543A CN 101340543 A CN101340543 A CN 101340543A CN A2008100415377 A CNA2008100415377 A CN A2008100415377A CN 200810041537 A CN200810041537 A CN 200810041537A CN 101340543 A CN101340543 A CN 101340543A
- Authority
- CN
- China
- Prior art keywords
- butt joint
- cable
- capacitor
- signal
- signal 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.)
- Pending
Links
Images
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a fireproofing isolation coupler which is specially used for a television with a three-core power plug, consisting of a plastic shell, a metal shielding cover, a cable television signal input butt joint and a cable television signal output butt joint; an internal electronic circuit board which is internally provided with a grounding separation capacitor and a signal transmission capacitor is arranged between the cable television signal input butt joint and the cable television signal output butt joint; the grounding of the shielding layer of the cable television signal input butt joint can pass through the separation capacitor and can be subsequently connected with the high-frequency head of the television electrically; therefore, the shielding layer of the cable television signal input butt joint and an indoor power network are in a separation state; when short circuit occur to any electric apparatus or wires in the indoor power network, the electric apparatus and the wires form no loop with the cable television signal input wires, thus avoiding the situations of heating and burning, and the like, of the television caused by non-standard grounding of the power network during the usage process of the television with the three-core power plug; the fireproofing isolation coupler of the invention is beneficial to improving the operation adaptability and the reliability of the television with the three-core power plug, thereby having extremely better practicability and economy.
Description
Technical field
The present invention relates to the isolation coupling device in a kind of signal transmission, particularly a kind of band core electric power plug television set tailored version flame separation coupler that is suitable for being arranged between cable TV signal incoming line and the television tuner, has electrical isolation and signal coupling.
Background technology
Along with the raising of the progress of society science and technology and people's material, the level of cultural life, the China that is applied in of television set has obtained very universally, uses the user troop of high definition LCD liquid crystal TV set also huge day by day.In recent years, often occur in the use of LCD liquid crystal TV set causing that the machine core board that takes place is burnt because of the cable TV signal line is hot, back shroud burnt local melting, even the TV liquid crystal display screen machine accident of ruining of being burnt.Users generally believe that this is the congenital quality problems of television set, ceaselessly complain; The production firm of television set feels to feel wronged, and thinks that this accident in use all takes place not all LCD liquid crystal TV set, and this may be that certain customers' electrical network is provided with aspect problem initiation.Study intensively and observe discovery through China invites the person's long period: really cause the reason of this situation be the electrical grounding of part resident family install lack of standardization due to.For a long time, attaching plug on the popular household electrical appliance of China is a two core plug morely, along with increasing day by day of the household electrical appliance that adopt core electric power plug, in family's electric wiring, need three sockets of relative set, just begin to consider to be provided with special-purpose earth connection problem.In three sockets, except that being provided with phase line of arranging about tradition and zero line, also in go up the position and be provided with a ground wire, this ground wire is to consider to be provided with from security standpoint, aims at protection against electric shock setting.According to China's electrical network ground connection standard, ground wire should insert the purpose that just can reach reliable ground in the slowly drained soil of the earth depths reliably, and every building building all should be provided with a reliable ground pile crown that can connect for the earth connection in the each household resident family in the electrical network point of incoming cables.But some resident thinks that earth connection is not essential, does not have also trouble free service and earth connection disorderly connect or emptyly do not connect in the same old way of earth connection household electrical appliances, perhaps have with ground wire and zero line direct short-circuit, also have the part resident that earth connection is connected on situation on the running water pipe.Hardly realize if three outlet grounds really do not link to each other with the earth when finishing, the relation that has electric leakage even short circuit on the contrary and between the zero line, in this case, as long as there is moment open circuit (such as the fuse loose contact of zero line) in zero line, the power supply of all electrical equipment will provide by the signal ground line of phase line and cable TV in the family, and huge electric current will burn television set moment.Because in all at this moment household electrical appliance, television set is that unique energy links to each other with the earth by the cable TV signal line, and other household electrical appliance are not owing to there being other paths to link to each other with the earth, so can not cause big damage.So, existing market presses for solution can guarantee problem with the television set trouble free service of core electric power plug under the prerequisite that does not change present nonstandard electrical network earthing mode, in application, faced passive situation to alleviate band core electric power plug television set, be the quality rectification of name of high definition LCD liquid crystal TV set, barrier is used in cleaning.
Summary of the invention
The objective of the invention is to solve at present and in use cause problems such as television set heating, baked wheaten cake because of ground connection is lack of standardization at the LCD liquid crystal TV set, provide a kind of can being arranged between LCD LCD TV tuner and the cable TV signal line to play effective buffer action, guarantee the television set band core electric power plug television set tailored version flame separation coupler of trouble free service normally.
Band core electric power plug television set tailored version flame separation coupler main body of the present invention is by plastic casing, metallic shield and cable TV signal input butt joint and signal output butt joint are formed, be characterised in that between cable TV signal input butt joint and signal output butt joint and be provided with the internal electron wiring board, described electronic circuit board is provided with ground connection isolating capacitor and signal conveys capacitor, wherein: described isolating capacitor is the ground connection isolation capacitance of cable TV signal input butt joint, include capacitor C1 and C2, cross-over connection in parallel is arranged on P screen and cable TV signal in the cable TV input butt joint and exports between the J screen in the butt joint; Described signal conveys capacitor includes capacitor C3, C4 and C5, capacitor C3 and C5 cross-over connection in parallel is arranged on P screen and signal in the cable TV signal input butt joint and exports between the J screen in the butt joint, signal input iron hoop in the end of capacitor C4 and the cable TV signal input butt joint is electrically connected, and the signal output iron core in the other end and the signal output butt joint is electrically connected.
Band core electric power plug television set tailored version flame separation coupler of the present invention based on above-mentioned design, during use, the signal input butt joint and the cable TV signal input socket line of this isolating coupler are electrically connected, the signal output butt joint of this isolating coupler and the tuner on the television set are electrically connected, because the ground connection of the screen P in the cable TV signal input butt joint must be after the capacitor C1 in this isolating coupler and C2 be isolated is electrically connected with the tuner of television set by signal output connector again, so the ground connection of cable TV signal incoming line is isolation with indoor power grid all the time, when any electrical appliance or circuit are short-circuited situation in the indoor power grid, all can not form the loop with the cable TV signal incoming line, therefore television set is also avoided impacting and heating up, thereby effectively having overcome in the prior art television set that causes easily owing to the various informal ground connection connection on the electrical network with core electric power plug is hit and heats up, influence the drawback in functional reliability and useful life, brought the television set reliably working that under the situation that does not change present electrical network setting, can guarantee with core electric power plug, reduce the machine accident of ruining, and can be the quality rectification of name of LCD liquid crystal TV set, the positive technique effect of applying the cleaning barrier for the high-grade television set of LCD liquid crystal TV set class band core electric power plug, thereby has a tangible technical advance, very strong practicality and outstanding economy have wide market application prospect.
Description of drawings
Fig. 1 is the contour structures schematic diagram of the embodiment of the invention;
Fig. 2 is the internal structure schematic diagram of the embodiment of the invention;
Fig. 3 is the electrical structure schematic diagram of internal electric wiring board in the embodiment of the invention.
Among the figure:
1. plastic casing 2. metallic shields 3. signals input butt joint 4. signals output butt joint
5. electronic circuit board 6. ground connection isolating capacitors 7. signal conveys capacitor 8.P screens
9.J screen 10. signals input iron hoop 11. signal output iron cores
Embodiment
In Fig. 1 Fig. 2 and Fig. 3, band core electric power plug television set tailored version flame separation coupler main body of the present invention is by plastic casing 1, metallic shield 2 and cable TV signal input butt joint 3 and signal output butt joint 4 are formed, between cable TV signal input butt joint 3 and cable TV signal output butt joint 4, be provided with internal electron wiring board 5, internal electron wiring board 5 is provided with ground connection isolating capacitor 6 and signal conveys capacitor 7, wherein: described isolating capacitor 6 is the ground connection isolation capacitance of cable TV signal input butt joint 3, include capacitor C1 and C2, cross-over connection in parallel is arranged on P screen 8 and cable TV signal in the cable TV input butt joint 3 and exports between the J screen 9 in the butt joint 4; Described signal conveys capacitor 7 includes capacitor C3, C4 and C5, capacitor C3 and C5 cross-over connection in parallel is arranged on P screen 8 and cable TV signal in the cable TV signal input butt joint 3 and exports between the J screen 9 in the butt joint 4, signal input iron hoop 10 in the end of capacitor C4 and the cable TV signal input butt joint 3 is electrically connected, and the signal output iron core 11 in the other end and the signal output butt joint 4 is electrically connected.
Claims (2)
1. be with core electric power plug television set tailored version flame separation coupler for one kind, form by plastic casing (1), metallic shield (2) and cable TV signal input butt joint (3) and cable TV signal output butt joint (4), be characterised in that between cable TV signal input butt joint (3) and cable TV signal output butt joint (4) and be provided with internal electron wiring board (5), described internal electron wiring board (5) is provided with the ground connection isolating capacitor (6) and the signal conveys capacitor (7) of cable TV signal input butt joint (3), wherein:
A. described ground connection isolating capacitor (6) includes capacitor C1 and C2, and capacitor C1 and C2 cross-over connection in parallel is arranged on P screen (8) and cable TV signal in the cable TV input butt joint (3) and exports between the J screen (9) in the butt joint (4);
B. described signal conveys capacitor (7) includes capacitor C3, C4 and C5, capacitor C3 and C5 cross-over connection in parallel is arranged on P screen (8) and cable TV signal in the cable TV signal input butt joint (3) and exports between the J screen (9) in the butt joint (4), signal input iron hoop (10) in the end of capacitor C4 and the cable TV signal input butt joint (3) is electrically connected, and the signal output iron core (11) in the other end and the signal output butt joint (4) is electrically connected.
2. band core electric power plug television set tailored version flame separation coupler according to claim 1, it is characterized in that the P screen (8) in the described cable TV input butt joint (3) ground connection must through capacitor C1 and C2 isolate the back by the J screen (9) in the signal output butt joint (4) again with television set on tuner be electrically connected, when any electrical appliance or circuit are short-circuited situation in the indoor power grid all can with cable TV signal incoming line formation loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100415377A CN101340543A (en) | 2008-08-08 | 2008-08-08 | Anti-flame separation coupler special for television having 3 core electric power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100415377A CN101340543A (en) | 2008-08-08 | 2008-08-08 | Anti-flame separation coupler special for television having 3 core electric power plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101340543A true CN101340543A (en) | 2009-01-07 |
Family
ID=40214477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100415377A Pending CN101340543A (en) | 2008-08-08 | 2008-08-08 | Anti-flame separation coupler special for television having 3 core electric power plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101340543A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237183A (en) * | 2012-11-22 | 2013-08-07 | 李明锁 | Television with antenna isolator |
| CN103237188A (en) * | 2012-11-22 | 2013-08-07 | 李明锁 | Tuner component |
| CN103633991A (en) * | 2013-11-20 | 2014-03-12 | 四川九州电子科技股份有限公司 | Circuit for performing direct current voltage insulation and isolation on wired network antenna coaxial socket |
| CN105791720A (en) * | 2012-11-22 | 2016-07-20 | 江苏华兴电子有限公司 | High-frequency head assembly with antenna isolator for guaranteeing transmission quality of high-frequency signal |
| CN105791721A (en) * | 2012-11-22 | 2016-07-20 | 江苏华兴电子有限公司 | Better-product-consistency high-frequency head assembly with antenna isolator |
| CN106210595A (en) * | 2012-11-22 | 2016-12-07 | 江苏华兴电子有限公司 | For guaranteeing the antenna isolator of high-frequency signal transmission quality |
-
2008
- 2008-08-08 CN CNA2008100415377A patent/CN101340543A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237183A (en) * | 2012-11-22 | 2013-08-07 | 李明锁 | Television with antenna isolator |
| CN103237188A (en) * | 2012-11-22 | 2013-08-07 | 李明锁 | Tuner component |
| CN103237183B (en) * | 2012-11-22 | 2015-10-28 | 江苏华兴电子有限公司 | There is the television set of antenna isolator |
| CN103237188B (en) * | 2012-11-22 | 2016-05-04 | 江苏华兴电子有限公司 | Tuner assembly |
| CN105791720A (en) * | 2012-11-22 | 2016-07-20 | 江苏华兴电子有限公司 | High-frequency head assembly with antenna isolator for guaranteeing transmission quality of high-frequency signal |
| CN105791721A (en) * | 2012-11-22 | 2016-07-20 | 江苏华兴电子有限公司 | Better-product-consistency high-frequency head assembly with antenna isolator |
| CN106210595A (en) * | 2012-11-22 | 2016-12-07 | 江苏华兴电子有限公司 | For guaranteeing the antenna isolator of high-frequency signal transmission quality |
| CN105791720B (en) * | 2012-11-22 | 2018-09-07 | 江苏华兴电子有限公司 | Tuner component for the antenna isolator for ensuring high-frequency signal transmission quality |
| CN105791721B (en) * | 2012-11-22 | 2018-09-07 | 江苏华兴电子有限公司 | Tuner component with antenna isolator |
| CN106210595B (en) * | 2012-11-22 | 2018-12-07 | 江苏华兴电子有限公司 | For ensuring the antenna isolator of high-frequency signal transmission quality |
| CN103633991A (en) * | 2013-11-20 | 2014-03-12 | 四川九州电子科技股份有限公司 | Circuit for performing direct current voltage insulation and isolation on wired network antenna coaxial socket |
| CN103633991B (en) * | 2013-11-20 | 2016-09-28 | 四川九州电子科技股份有限公司 | Cable network antenna coaxial socket is carried out the circuit of direct current voltage insulation isolation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101340543A (en) | Anti-flame separation coupler special for television having 3 core electric power plug | |
| CN204103162U (en) | A kind of safety socket | |
| CN202888523U (en) | Whole shielding metal armored cable connecting plug | |
| CN201307910Y (en) | Fireproof isolation coupler used for LCD TV | |
| CN109244713A (en) | A kind of simplified structure connector and its installation method | |
| CN204103169U (en) | A kind of wall jack | |
| CN200986975Y (en) | Inner cone insertion type cable tapping box | |
| CN208637847U (en) | A kind of distribution box with grounding function | |
| CN203218848U (en) | Plug-in separable shielding connector | |
| CN201210711Y (en) | Entire appliance safety protection device for flat-plate television set | |
| CN203014113U (en) | Signal connection wire | |
| CN203788415U (en) | Shielding cover for printed circuit substrate and set top box | |
| CN204679593U (en) | Ring main unit Withstand test device | |
| CN202058502U (en) | Data transmission line and electronic equipment | |
| CN102802393A (en) | Antenna isolator | |
| CN208078307U (en) | A kind of double ground connection sundial plugs | |
| CN203932355U (en) | Multifunctional grounded excellent line scan pickup coil side wire clamp | |
| CN1731624A (en) | Radio-frequency cable with loop seclusion function | |
| CN205811318U (en) | A kind of feeder cabinet | |
| CN218244040U (en) | Intelligent filtering type reactive power compensation device protective shell | |
| CN205335791U (en) | Bypass connection device for uninterrupted operation of power distribution network | |
| CN210806142U (en) | Inserting core mounting plate for connecting control cabinet and two ends of cable of GIS combined electrical apparatus | |
| WO2007107109A1 (en) | connecting terminal and matched connection apparatus | |
| CN207587992U (en) | A kind of EMC bonding terminals suitable for cable fixing head | |
| CN202949520U (en) | Wiring box with shielding and isolation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090107 |