CN103248857B - antenna isolator - Google Patents
antenna isolator Download PDFInfo
- Publication number
- CN103248857B CN103248857B CN201210480620.0A CN201210480620A CN103248857B CN 103248857 B CN103248857 B CN 103248857B CN 201210480620 A CN201210480620 A CN 201210480620A CN 103248857 B CN103248857 B CN 103248857B
- Authority
- CN
- China
- Prior art keywords
- radome
- capacitance
- ground wire
- joint
- heart yearn
- 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.)
- Expired - Fee Related
Links
- 238000005476 soldering Methods 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 239000006071 cream Substances 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to a kind of antenna isolator, it is characterized in that including: constitute a pair radome of a shielding cavity, this is respectively equipped with first, second screen layer joint to the outside of radome, being fixed with first, second heart yearn joint in first, second screen layer joint, this is to being provided with the signal capacitance that multiple ground wire capacitance and is connected with described first, second heart yearn joint respectively in radome；Ground wire capacitance is without lead-in wire or patch capacitor；The two poles of the earth of this ground wire capacitance use fluid welding to weld with a pair described radome respectively；The electric capacity of the present invention is without lead-in wire or patch capacitor, line loss is few, it can be ensured that the high frequency characteristics of transmission signal, the most beneficially Reflow Soldering, without human weld, be suitable to mass production, and then reached that mass production efficiency is higher, cost is relatively low and the preferable effect of homogeneity of product；Radome can use stamping parts, and whole product is without pcb board, it is not necessary to plug-in unit original paper, manual welding, easily ensures homogeneity of product.
Description
Technical field
The present invention relates to the additional device of television set, specifically a kind of antenna isolator, for guaranteeing the biography of high-frequency signal
Transmission quality.
Background technology
The ground connection of cable TV be usually and power supply be connected together, and cable television system export TV signal connect
Ground is usually the metal shell of Set Top Box, so (such as outside TV signal cable suffers thunder when their current potential is unequal
Hit or be short-circuited accident with external power circuit), electric current will flow to electronegative potential point from high potential point, and producing interference even has
The heating of line television set or cable TV spontaneous combustion.For solving this problem, it is thus proposed that at cable television system signal output part
Install capacitance additional between son and the signal input terminal of cable TV, isolate both ground and keep signal even
Connect is unimpeded, at heart yearn (holding wire) and the signal input terminal of cable TV of cable television system signal output terminal
Heart yearn (holding wire) between install the signal capacitance of 2200pF or 1000pF additional, at cable television system signal
The screen layer (the TV signal earth lead of cable television system output) of lead-out terminal and the signal input part of cable TV
The ground wire capacitance of 2200pF or 1000pF is installed additional between the screen layer (ground wire of cable TV) of son.
Chinese patent literature CN 202364309U, discloses a kind of television antenna isolator, it have housing, circuit board,
The first coaxial slicing ear can be plugged with the signal input terminal of cable TV and can export with cable television system signal
The second coaxial slicing ear that terminal plugs；This circuit board is arranged in this housing, and two axles connect terminal and are separately mounted to
On the sidewall of this housing；On this circuit board, signal capacitance is serially connected between the heart yearn of two coaxial slicing ear；This circuit
On plate, three ground wire capacitances are parallel with one another and between the front side of the screen layer that is serially connected with two coaxial slicing ear；This circuit
On plate, the other three ground wire capacitance is parallel with one another and between the rear side of the screen layer that is serially connected with two coaxial slicing ear.
It is in place of above-mentioned the deficiencies in the prior art: circuit board is connected by human weld with each electric capacity, metaplasia in batches
Producing inefficient and relatively costly, it is poor that human weld is easily caused homogeneity of product；Small product size is big, is unfavorable for being directly installed on
In television set.
Summary of the invention
The technical problem to be solved in the present invention is to provide one, and mass production efficiency is higher, cost is relatively low and product is consistent
The preferable antenna isolator of property.
For solving above-mentioned technical problem, the invention provides a kind of antenna isolator, comprising: opening is oppositely arranged,
To constitute a pair radome of a shielding cavity, this is respectively equipped with first, second screen layer joint to the outside of radome, the
One, being fixed with first, second heart yearn joint in secondary shielding layer joint, this is to being provided with multiple ground wire capacitance in radome
The signal capacitance being connected with described first, second heart yearn joint respectively with the two poles of the earth；Described ground wire capacitance is nothing
Lead capacitance or patch capacitor；The two poles of the earth of this ground wire capacitance are in its rear and front end, and use tin cream through the side of Reflow Soldering
Formula is weldingly connected with a pair described radome respectively.
Described signal capacitance is without lead capacitance or patch capacitor；Before the two poles of the earth of described signal capacitance are in it
Rear two ends, and use tin cream to be connected through the mode medial extremity with described first, second heart yearn joint respectively of Reflow Soldering.
Described first, second heart yearn joint coaxial line distribution, be beneficial to the medial extremity of described first, second heart yearn joint with
The two poles of the earth of signal capacitance use Reflow Soldering welding.Or, described first, second heart yearn joint vertical distribution, first, second core
The inner metal line of wire terminal uses Reflow Soldering to weld with the two poles of the earth of signal capacitance.
For ease of using Reflow Soldering, a pair described radome is arranged with multiple through hole；Each ground wire capacitance
The two poles of the earth are weldingly connected with the through hole on a pair described radome respectively.
Through hole on described large and small radome is located at corresponding pit central authorities, to be beneficial to when assembling further, uses stannum
Two electrodes of each electric capacity are connected by cream respectively with the installing hole on large and small radome, then carry out Reflow Soldering.
For improving shield effectiveness, assembling respectively, a pair described radome is respectively large and small radome；Little radome
Opening stretches in the opening of described big radome.
Be provided with between described large and small radome for fixing described each ground wire capacitance and signal capacitance,
Adopt the installing rack being made from an insulative material, when assembling, each electric capacity is loaded installing rack, be beneficial to improve efficiency of assembling with reliable
Property.
The outer rim of neighbouring described installing rack is provided with slot, and the edge part grafting of described little radome is fixed in this slot,
The described big shielding enclosure is located in the outer rim of described installing rack, and then secures large and small radome and installing rack, and then is implementing
Before Reflow Soldering, just secure each parts, be beneficial to guarantee the reliability of Reflow Soldering, and then be beneficial to ensure homogeneity of product.
Described large and small radome ringwise or rectangle, the installing rack in this large and small radome double as large and small radome it
Between insulation, radome is externally provided with plastic safety cover.
The production method of above-mentioned antenna isolator, it is characterised in that comprise the steps:
(1), on two electrodes of each electric capacity or on each through hole of a pair described radome, it is fixedly installed tin cream；
(2), described a pair radome level of relative is arranged, and each ground wire capacitance is respectively arranged on described big,
Between many groups of relative through holes on little radome, described signal capacitance is located at the medial extremity of described screen layer joint
On；
(3), send into reflow soldering apparatus, complete welding；
(4), on a pair described radome, it is respectively provided with insulating protective cover.
As preferred embodiment, in described step (2), a pair described radome level of relative is being arranged it
Before, also include: between a pair described radome, installing rack is set, then by each ground wire capacitance and signal capacitance
Put in the installing hole of this installing rack, the edge part grafting of described little radome is fixed in the slot of this installing rack simultaneously.
The technique effect that the present invention has: the electric capacity that the antenna isolator of (1) present invention uses be all without lead capacitance or
Patch capacitor, line loss is few, it can be ensured that the high frequency characteristics of transmission signal, is beneficial to implement Reflow Soldering, it is not necessary to human weld, be suitable to simultaneously
Mass production, and then reached that mass production efficiency is higher, cost is relatively low and the preferable effect of homogeneity of product；(2) institute
Stating large and small radome and can use stamping parts, whole product is without pcb board, it is not necessary to plug-in unit original paper, manual welding, easily ensures product
Concordance；Meanwhile, the cavity that large and small radome is formed is less, and shield effectiveness is preferable；(3) product overall volume is less, overall knot
Structure is stronger, be hardly damaged and be suitable for place in television set.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiment and combine accompanying drawing,
The present invention is further detailed explanation, wherein
Fig. 1 is the sectional structure chart of the I type antenna isolator of the present invention；
Fig. 2 is the longitudinal sectional structure chart of central authorities of the I type antenna isolator of Fig. 1；
Fig. 3 is the right view of the I type antenna isolator in Fig. 1；
Fig. 4 is the sectional structure chart of the inverted-L antenna isolator of the present invention；
Fig. 5 is the A-A sectional structure chart of Fig. 4；
Fig. 6 is the top view of Fig. 4；
Fig. 7 is the left view of Fig. 5.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail:
Embodiment 1:
Such as Fig. 1 to 3, the antenna isolator of the present embodiment is I type, comprising: the large and small shielding that opening is oppositely arranged
Cover, the opening of little radome 5 stretches in the opening of described big radome 3；The outside of large and small radome is respectively equipped with the first screen
Cover layer joint 9, secondary shielding layer joint 10, in first, second screen layer joint, be fixed with the first heart yearn of coaxial line distribution
Joint the 6, second heart yearn joint 2, is provided with multiple ground wire capacitance 8 and a signal capacitance 1 in large and small radome；Greatly,
Multiple through hole it is arranged with on little radome.Each through hole is located at corresponding pit central authorities.
Described ground wire capacitance 8 and signal capacitance 1 are without lead capacitance or patch capacitor；This ground wire capacitance
The two poles of the earth of 8 are in its rear and front end, and use tin cream 14 through Reflow Soldering mode respectively with the through hole on described large and small radome
It is weldingly connected.
The two poles of the earth of described signal capacitance 1 are in its rear and front end, and use tin cream through Reflow Soldering mode respectively with
The medial extremity of described first, second heart yearn joint is connected.
Described large and small radome ringwise, this large and small radome is respectively equipped with plastic safety cover.
As one preferred embodiment, be provided with between described large and small radome for fixing described each ground wire every
Straight electric capacity and the installing rack 7 of signal capacitance.The outer rim of neighbouring described installing rack 7 is provided with slot, the limit of described little radome 5
Edge grafting is fixed in this slot, is beneficial to fixing little radome 5.Meanwhile, described big radome 3 fixed cover is located at described installation
In the outer rim of frame 7, and then secure large and small radome and installing rack 7, and then before implementing Reflow Soldering, just secure each portion
Part, is beneficial to guarantee the reliability of Reflow Soldering, and then is beneficial to ensure homogeneity of product.
Embodiment 2:
The production method of the I type antenna isolator of above-described embodiment 1, it comprises the steps:
A, on two electrodes of each electric capacity or the installing hole of large and small radome, or many groups on described large and small radome
On relative through hole, tin cream is set；
B, described first, second heart yearn joint are fixed in first, second screen layer joint by collets 12 respectively, with
Time, by the medial extremity of first, second screen layer joint secure fit respectively in the installing hole of described large and small radome；
C, described large and small radome level of relative is arranged, and each ground wire capacitance is respectively arranged on described large and small screen
Cover between many groups of relative through holes on cover, described signal capacitance is located in described first, second screen layer joint
Between side；
D, feeding reflow soldering apparatus, complete welding；
E, on large and small radome, it is respectively provided with plastic insulation protective cover 4.
Embodiment 3:
On the basis of the antenna isolator of above-described embodiment 1 or 2, such as Fig. 4-7, the antenna isolator of the present embodiment is L-type,
The most described first, second heart yearn joint vertical distribution, the medial extremity of first, second heart yearn joint is respectively by metal wire and signal
The two poles of the earth of capacitance use Reflow Soldering welding.
Embodiment 4:
The antenna isolator of one of above-described embodiment 1 to 3, the application on used as television tuner, or at network cable
Application on isolator, or the application on RJ45 interface or RJ45 type network card interface.
The present embodiment obvious, above-described embodiment is only for clearly demonstrating example of the present invention, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
Can make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And this
Belong to a bit obvious change or variation that the spirit of the present invention extended out still in protection scope of the present invention among.
Claims (7)
1. an antenna isolator, it is characterised in that including: opening is oppositely arranged, to constitute a pair shielding of a shielding cavity
Cover, this is respectively equipped with first, second screen layer joint, is fixed with in first, second screen layer joint the outside of radome
First, second heart yearn joint, this is to being provided with multiple ground wire capacitance and the two poles of the earth in radome respectively with described first,
The signal capacitance that two heart yearn joints are connected；
Described ground wire capacitance is without lead capacitance or patch capacitor；
The two poles of the earth of this ground wire capacitance are in its rear and front end, and use tin cream through the mode of Reflow Soldering respectively with described one
Radome is weldingly connected；
It is arranged with multiple through hole on a pair described radome；A pair described radome is respectively large and small radome；Smaller screen
Cover in the opening that the opening of cover stretches into described big radome.
2. according to the antenna isolator described in claim 1, it is characterised in that: described signal capacitance is without lead capacitance
Or patch capacitor；
The two poles of the earth of described signal capacitance are in its rear and front end, and use tin cream through the mode of Reflow Soldering respectively with described
One, the medial extremity of the second heart yearn joint is connected.
3. according to the antenna isolator described in claim 2, it is characterised in that: described first, second heart yearn joint coaxial line divides
Cloth, or vertical distribution.
4. according to the antenna isolator described in claim 1, it is characterised in that: the two poles of the earth of each ground wire capacitance respectively with institute
The through hole on a pair radome stated is weldingly connected.
5. according to the antenna isolator described in claim 4, it is characterised in that: the described through hole on a pair radome is located at
Corresponding pit central authorities.
6. according to the antenna isolator described in claim 1, it is characterised in that: it is provided with between described large and small radome for solid
Fixed described each ground wire capacitance and signal capacitance, adopt the installing rack being made from an insulative material.
Antenna isolator the most according to claim 6, it is characterised in that: the outer rim of neighbouring described installing rack is provided with slot,
The edge part grafting of described little radome is fixed in this slot；The described big shielding enclosure is located in the outer rim of described installing rack.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480620.0A CN103248857B (en) | 2012-11-22 | 2012-11-22 | antenna isolator |
| CN201610682982.6A CN106210595B (en) | 2012-11-22 | 2012-11-22 | For ensuring the antenna isolator of high-frequency signal transmission quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480620.0A CN103248857B (en) | 2012-11-22 | 2012-11-22 | antenna isolator |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610682982.6A Division CN106210595B (en) | 2012-11-22 | 2012-11-22 | For ensuring the antenna isolator of high-frequency signal transmission quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103248857A CN103248857A (en) | 2013-08-14 |
| CN103248857B true CN103248857B (en) | 2016-09-07 |
Family
ID=48928049
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610682982.6A Expired - Fee Related CN106210595B (en) | 2012-11-22 | 2012-11-22 | For ensuring the antenna isolator of high-frequency signal transmission quality |
| CN201210480620.0A Expired - Fee Related CN103248857B (en) | 2012-11-22 | 2012-11-22 | antenna isolator |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610682982.6A Expired - Fee Related CN106210595B (en) | 2012-11-22 | 2012-11-22 | For ensuring the antenna isolator of high-frequency signal transmission quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106210595B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561616B (en) * | 2019-01-17 | 2024-02-06 | 珠海迈科智能科技股份有限公司 | RF head configuration method and RF head |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5351018A (en) * | 1992-11-25 | 1994-09-27 | Thomson Consumer Electronics, Inc. | Antenna isolation assembly for hot chassis receiver |
| CN2257425Y (en) * | 1995-06-22 | 1997-07-02 | 陈艺通 | Anti-lightning stroke protector for wire television |
| EP1148602B1 (en) * | 2000-04-20 | 2003-11-26 | Siemens Aktiengesellschaft | Overvoltage arrester device |
| JP2003224930A (en) * | 2002-01-25 | 2003-08-08 | Maspro Denkoh Corp | Protector |
| CN2896749Y (en) * | 2006-03-20 | 2007-05-02 | 邱舒溢 | TV-set anti-interference circuit |
| CN100536557C (en) * | 2007-02-08 | 2009-09-02 | 莫胜林 | Anti-interference television system bidirectional user port capable of preventing creepage |
| CN201142718Y (en) * | 2007-12-21 | 2008-10-29 | 康佳集团股份有限公司 | Feeder line isolating circuit |
| JP2009218635A (en) * | 2008-03-06 | 2009-09-24 | Dx Antenna Co Ltd | Relay amplifier for cooperative reception system, and input adjustment unit thereof |
| CN101340543A (en) * | 2008-08-08 | 2009-01-07 | 上海广电电器有限公司 | Anti-flame separation coupler special for television having 3 core electric power plug |
| CN201278411Y (en) * | 2008-08-13 | 2009-07-22 | 中兴通讯股份有限公司 | Ethernet connector with lightning protection function |
| WO2010094176A1 (en) * | 2009-02-20 | 2010-08-26 | Ye Faliang | A safety televiewing method for catv |
| CN201365304Y (en) * | 2009-03-06 | 2009-12-16 | 深圳Tcl新技术有限公司 | Isolating tuner |
| CN101764399A (en) * | 2009-12-21 | 2010-06-30 | 浙江恒丰光电技术有限公司 | Cable television signal lightning arrester |
| CN102176744A (en) * | 2011-03-25 | 2011-09-07 | 深圳市同洲电子股份有限公司 | Wired signal access circuit of digital television receiving terminal |
| CN202135244U (en) * | 2011-06-08 | 2012-02-01 | 丁兆卿 | Noise-proof and lightning-proof cable television signal distribution isolator |
| CN202353701U (en) * | 2011-12-07 | 2012-07-25 | 江苏西贝电子网络有限公司 | Television socket |
| CN202364309U (en) * | 2011-12-08 | 2012-08-01 | 厦门森晖电子有限公司 | Television antenna isolator |
| CN202340290U (en) * | 2011-12-19 | 2012-07-18 | 惠州市伟乐科技有限公司 | Set top box with isolation function for digital television |
| CN202918414U (en) * | 2012-11-22 | 2013-05-01 | 李明锁 | Antenna isolator |
-
2012
- 2012-11-22 CN CN201610682982.6A patent/CN106210595B/en not_active Expired - Fee Related
- 2012-11-22 CN CN201210480620.0A patent/CN103248857B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106210595B (en) | 2018-12-07 |
| CN106210595A (en) | 2016-12-07 |
| CN103248857A (en) | 2013-08-14 |
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Effective date of registration: 20160815 Address after: 213022 software park, 9 East Taihu Road, Xinbei District, Jiangsu, Changzhou A408 Applicant after: JIANGSU HUAXING ELECTRONICS CO.,LTD. Address before: 213022 software park, 9 East Taihu Road, Xinbei District, Jiangsu, Changzhou A408 Applicant before: Li Mingsuo Applicant before: Xu Zhiming |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.1 Workshop, private industrial park, Xuzhuang street, Gaogang District, Taizhou City, Jiangsu Province Patentee after: JIANGSU HUAXING ELECTRONICS Co.,Ltd. Address before: 213022 software park, 9 East Taihu Road, Xinbei District, Jiangsu, Changzhou A408 Patentee before: JIANGSU HUAXING ELECTRONICS Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 1358 Jinsha Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: JIANGSU HUAXING ELECTRONICS Co.,Ltd. Address before: No.1 Workshop, private industrial park, Xuzhuang street, Gaogang District, Taizhou City, Jiangsu Province Patentee before: JIANGSU HUAXING ELECTRONICS Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |