CN203788415U - Shielding cover for printed circuit substrate and set top box - Google Patents
Shielding cover for printed circuit substrate and set top box Download PDFInfo
- Publication number
- CN203788415U CN203788415U CN201420123683.5U CN201420123683U CN203788415U CN 203788415 U CN203788415 U CN 203788415U CN 201420123683 U CN201420123683 U CN 201420123683U CN 203788415 U CN203788415 U CN 203788415U
- Authority
- CN
- China
- Prior art keywords
- radome
- shielding cover
- feedthrough capacitor
- capacitor
- head
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
- H05K9/0032—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields having multiple parts, e.g. frames mating with lids
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to the technical field of communication, and discloses a shielding cover of a printed circuit substrate and a set top box. The shielding cover comprises a shielding cover body, a feed-through capacitor and an F head, wherein the side wall of the shielding cover body is provided with a through hole; the feed-through capacitor is arranged on the outer side wall of the shielding cover body, a center hole of the feed-through capacitor is communicated with the through hole, and a pole plate of the feed-through capacitor is electrically connected with the shielding cover body; and the F-head is arranged in the center hole of the feed-through capacitor in a penetrating mode and electrically connected with the other pole plate of the feed-through capacitor. The shielding cover of the printed circuit substrate has the beneficial effects that the shielding cover body is isolated from the F head by the feed-through capacitor, the reference ground of a television is isolated from the reference ground of a wired cable, and meanwhile, the shielding cover is enabled to be connected with the reference ground of the television, thereby enabling the shielding cover to have a shielding effect, and having a high interference resisting capacity.
Description
Technical field
The utility model relates to communication technical field, refers more particularly to a kind of radome and Set Top Box of tellite.
Background technology
The power supply of some client's television set is three plugs, and the pin that three plugs have more is used for ground connection use.When making electrical appliance, be not easy to get an electric shock like this.But there is voltage difference on the ground of family and the ground of cable television network, that is: the earthed voltage of cable television network is voltage practically, and the earthed voltage of television set is with reference to ground voltage, practically-and with reference to ground=Δ U.And electric equipment exists electric leakage risk, because grounding wire impedance is less, therefore large electric current burns AV line through just existing, burns the hidden danger such as TV.For head it off, simply the most effective way is on drop cable, to install isolator additional, on the heart yearn of the wired cable accessing at television set exactly and screen, has all installed isolation capacitance additional, so just can avoid direct current to burn the situation of TV.While domestic all Set Top Box mandatory requirement band insulator functionality from 2013.7.Industry class realizes insulator functionality and generally uses plug-in unit electric capacity, patch capacitor and feedthrough capacitor as isolation capacitance.Current isolator product comprises built-in isolator and external isolator scheme.Built-in isolator wherein, selects high pressure resistant electric capacity, is directly welded on the tellite of Set Top Box inside.
Use the technological deficiency of current built-in isolator to be; because electric capacity is directly installed on tellite plate; thereby cause the radome of tellite identical with voltage practically; make radome can not play shielding action; do not protect the heart yearn of the wired cable that is positioned at radome, the sensitivity of radome and interference free performance worsen obviously.
Utility model content
The utility model provides a kind of radome and Set Top Box of tellite, in order to improve the shield effectiveness of the radome in Set Top Box.
The utility model provides a kind of radome of tellite, and this radome comprises:
Radome body, is provided with through hole on the sidewall of described radome body;
Be arranged on the feedthrough capacitor of described radome body lateral wall, wherein, the centre bore of described feedthrough capacitor is communicated with described through hole, and a pole plate of described feedthrough capacitor is connected with described radome body conduction;
Be located in the F head in the centre bore of described feedthrough capacitor, be connected with another pole plate conduction of described feedthrough capacitor.
In technique scheme, by feedthrough capacitor, radome body and F head are isolated, make television set with reference to the reference of wired cable keep apart, simultaneously, make radome body and television set reference connect, make radome can play the effect of shielding, and there is higher sensitivity and antijamming capability.
Preferably, a pole plate of described radome body and described feedthrough capacitor is welded to connect.By welding, not only guaranteed being fixedly connected with the while but also having guaranteed the conductivity of radome body and feedthrough capacitor of radome body and feedthrough capacitor.
Preferably, another pole plate of described F head and described feedthrough capacitor is welded to connect.By welding, both guaranteed being fixedly connected with of F head and radome body, the while guaranteed the conductivity of F head and feedthrough capacitor.
Preferably, also comprise and be sleeved on described F head and for supporting the bracing frame of described F head.By bracing frame, support F head, guaranteed the stability of F head.
Preferably, support frame as described above and a described F riveting.Prevent that F has and bracing frame between relatively rotate, when wired cable is installed, improved the stressing conditions of the junction of F head and feedthrough capacitor, improved the stability of junction.
Preferably, support frame as described above is three-jaw bracing frame.There is good support effect.
The utility model also provides a kind of Set Top Box, and this Set Top Box comprises tellite, and is arranged on above-mentioned any radome on described tellite.
In technique scheme, by feedthrough capacitor, radome and F head are isolated, make television set with reference to the reference of wired cable keep apart, simultaneously, make radome and television set reference connect, make radome can play the effect of shielding, and there is higher sensitivity and antijamming capability.And then improved the stability of the signal transmission of Set Top Box.
Accompanying drawing explanation
The structural representation of the radome that Fig. 1 provides for the utility model embodiment;
The structural representation that the radome body that Fig. 2 provides for the utility model embodiment is connected with feedthrough capacitor;
The structural representation of the feedthrough capacitor that Fig. 3 provides for the utility model embodiment;
The structural representation that wired cable that Fig. 4 provides for the utility model embodiment is connected with F head;
The structural representation of the radome with bracing frame that Fig. 5 provides for the utility model embodiment;
The structural representation of the bracing frame that Fig. 6 provides for the utility model embodiment;
The radome that Fig. 7 provides for the utility model embodiment is fixed on the structural representation on tellite.
Reference numeral:
10-radome 11-radome body 12-feedthrough capacitor
121-first pole plate 122-the second pole plate 13-F head
The wired cable of 14-bracing frame 20-tellite 30-
31-heart yearn
Embodiment
In order to improve the shield effectiveness with the radome of the Set Top Box of isolation features, the utility model provides a kind of radome and Set Top Box of tellite, in the technical solution of the utility model, by feedthrough capacitor is set on radome, make radome can mask the interference of outer signals, thereby strengthened the antijamming capability of Set Top Box.For making the purpose of this utility model, technical scheme and advantage clearer, below take nonrestrictive embodiment and the utility model is described in further detail as example.
As depicted in figs. 1 and 2, Fig. 1 shows the structural representation of the radome that the utility model embodiment provides; The structural representation that the radome body that Fig. 2 provides for the utility model embodiment is connected with feedthrough capacitor.
The utility model embodiment provides a kind of radome of tellite, and this radome comprises:
Radome body 11, is provided with through hole on the sidewall of described radome body 11;
Be arranged on the feedthrough capacitor 12 of described radome body 11 lateral walls, wherein, the centre bore of described feedthrough capacitor 12 is communicated with described through hole, and a pole plate of described feedthrough capacitor 12 is connected with described radome body 11 conductions;
Be located in F in the centre bore of described feedthrough capacitor 12 13, be connected with another pole plate conduction of described feedthrough capacitor 12.
As shown in Figure 7, the radome that Fig. 7 shows the utility model embodiment and provides is fixed on the structure on tellite.The radome 10 that above-described embodiment provides when mounted, radome body 11 is fixed on the tellite 20 of Set Top Box, in the lump with reference to figure 4, Fig. 4 shows the structure that wired cable is connected with F head, and wired cable 30 is pegged graft in F 13, wherein, the screen of wired cable 30 is connected with F 13 conductions, the heart yearn 31 of wired cable 30 exposes after through F 13, and through after the through hole on the centre bore of feedthrough capacitor 12 and the sidewall of radome body 11, extend in radome body 11.
The radome 10 that above-described embodiment provides in use, owing to being arranged on feedthrough capacitor 12 on radome body 11 by radome 10 and F 13 isolation, makes radome 10 be communicated with the earth connection of television set, and F 13 is communicated with the earth connection of wired cable 30.The heart yearn 31 of wired cable 30 is positioned at the impact of part outside the radome body 11 isolated outer signals of screen by wired cable 30 on heart yearn 31, the heart yearn 31 of wired cable 30 is positioned at the part of radome body 11, by radome 10, can shield outer signals to entering into the impact of the heart yearn 31 in radome body 11, thereby guarantee the stability of heart yearn 31 signal transmissions.Meanwhile, because feedthrough capacitor 12 is by radome 10 and F 13 isolation, make television set with reference to the reference of wired cable 30 keep apart, and then make radome 10 there is higher antijamming capability.
Through hole on radome body 11 wherein can be arranged on different positions, can be arranged on the optional position in any four sidewalls and side wall, only needs to meet the installation of the wired cable 30 that facilitates the connection of F head.
As shown in Figure 3, Fig. 3 shows the structure of the feedthrough capacitor that the utility model embodiment provides, and feedthrough capacitor 12 is wherein for having the feedthrough capacitor 12 of two pole plates, and described radome body 11 is welded to connect with a pole plate of described feedthrough capacitor 12; Described F 13 is welded to connect with another pole plate of described feedthrough capacitor 12.Concrete, this feedthrough capacitor 12 comprises the first battery lead plate 121 and the second battery lead plate 122, and wherein, radome body 11 and the first battery lead plate 121 are welded to connect, and feedthrough capacitor 12 and the second battery lead plate 122 are welded to connect.Thereby making radome body 11 and F 13 when being fixedly connected with feedthrough capacitor 12, can realize conduction is connected.In concrete welding process, between feedthrough capacitor 12 and radome body 11 and F 13, be all to adopt the mode of reflow soldering to weld, guaranteed effect and the electric conductivity of welding.
As a kind of preferred version, as shown in Figure 5, Fig. 5 shows the structure of the radome with bracing frame that another embodiment of the utility model provides and shows.This radome 10, except said structure, also comprises being sleeved on described F 13 and for supporting the bracing frame 14 of described F 13.In actual production, the structure of bracing frame 14 can be different supporting construction, only need to play fixedly F head, preferably, as shown in Figure 6, bracing frame 14 is three-jaw bracing frame to bracing frame 14 structures, and on bracing frame 14, be provided with the through hole being sleeved on F 13, when mounted, bracing frame 14 is sleeved on F 13, and bracing frame 14 and F 13 rivetings.When radome 10 is contained in Set Top Box, radome body 11 is fixed on the tellite 20 of Set Top Box, and bracing frame 14 is also fixed on tellite 20 to support F 13.
When wired cable 30 is linked on F 13, thereby need to make by rotation repeatedly the heart yearn 31 of wired cable 30 extend in F 13, and make wired cable 30 screen can with F 13 sufficient conductive contacts.In the installation process of whole wired cable 30, wired cable 30 is given F 13 1 larger torsion, this torsion is by being delivered on tellite 20 with F 13 bracing frames that are welded to connect 14, thereby avoided the impact with the junction of feedthrough capacitor 12 on F 13 of this torsion, improved F 13 and feedthrough capacitor 12 and conducted electricity the stability that are connected.Bracing frame 14 adopts three-jaw bracing frame 14 that comparatively stable support is provided simultaneously, avoids occurring rocking.
Should be understood that, the structure of bracing frame 14 is not limited only to the structure of the three-jaw bracing frame 14 with through hole that above-mentioned specific embodiment enumerates, and can also select other any enforceable structures.As: bracing frame 14 has the support claw of the different numbers such as two, four, five, or bracing frame 14 is half round cut or other clamping structure etc. with F 13 junctions.
Continuation is with reference to figure 7, and the utility model embodiment also provides a kind of Set Top Box, and this Set Top Box comprises tellite 20, and is arranged on above-mentioned any radome 10 on described tellite 20.
In the above-described embodiments, by feedthrough capacitor 12 by radome 10 and F 13 isolation, make television set with reference to the reference of wired cable 30 keep apart, simultaneously, make radome 10 and television set reference connect, make radome 10 can play the effect of shielding, and there is higher antijamming capability.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (7)
1. a radome for tellite, is characterized in that, comprising:
Radome body, is provided with through hole on the sidewall of described radome body;
Be arranged on the feedthrough capacitor of described radome body lateral wall, wherein, the centre bore of described feedthrough capacitor is communicated with described through hole, and a pole plate of described feedthrough capacitor is connected with described radome body conduction;
Be located in the F head in the centre bore of described feedthrough capacitor, be connected with another pole plate conduction of described feedthrough capacitor.
2. radome as claimed in claim 1, is characterized in that, a pole plate of described radome body and described feedthrough capacitor is welded to connect.
3. radome as claimed in claim 2, is characterized in that, another pole plate of described F head and described feedthrough capacitor is welded to connect.
4. the radome as described in claim 1～3 any one, is characterized in that, also comprises and is sleeved on described F head and for supporting the bracing frame of described F head.
5. radome as claimed in claim 4, is characterized in that, support frame as described above and a described F riveting.
6. radome as claimed in claim 4, is characterized in that, support frame as described above is three-jaw bracing frame.
7. a Set Top Box, is characterized in that, comprises tellite, and is arranged on the radome as described in claim 1～6 any one on described tellite.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123683.5U CN203788415U (en) | 2014-03-18 | 2014-03-18 | Shielding cover for printed circuit substrate and set top box |
| PCT/CN2015/074383 WO2015139611A1 (en) | 2014-03-18 | 2015-03-17 | Shielding cover of printed circuit substrate, and set-top box<0} |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123683.5U CN203788415U (en) | 2014-03-18 | 2014-03-18 | Shielding cover for printed circuit substrate and set top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788415U true CN203788415U (en) | 2014-08-20 |
Family
ID=51324564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420123683.5U Expired - Fee Related CN203788415U (en) | 2014-03-18 | 2014-03-18 | Shielding cover for printed circuit substrate and set top box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203788415U (en) |
| WO (1) | WO2015139611A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139611A1 (en) * | 2014-03-18 | 2015-09-24 | 华为终端有限公司 | Shielding cover of printed circuit substrate, and set-top box<0} |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI681600B (en) * | 2018-09-14 | 2020-01-01 | 金寶電子工業股份有限公司 | Connector module and set-top box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747019A (en) * | 1984-12-14 | 1988-05-24 | Murata Manufacturing Co., Ltd. | Feedthrough capacitor arrangement |
| CN201616822U (en) * | 2010-02-01 | 2010-10-27 | 南京紫淮矿用电子高科技有限公司 | Three-terminal modulator for low-frequency modulation type radiometer receiver |
| CN101807932B (en) * | 2010-02-01 | 2013-08-21 | 南京紫淮矿用电子高科技有限公司 | Three-terminal modulator for low-frequency modulation type radiometer receiver |
| CN203788415U (en) * | 2014-03-18 | 2014-08-20 | 华为终端有限公司 | Shielding cover for printed circuit substrate and set top box |
-
2014
- 2014-03-18 CN CN201420123683.5U patent/CN203788415U/en not_active Expired - Fee Related
-
2015
- 2015-03-17 WO PCT/CN2015/074383 patent/WO2015139611A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139611A1 (en) * | 2014-03-18 | 2015-09-24 | 华为终端有限公司 | Shielding cover of printed circuit substrate, and set-top box<0} |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015139611A1 (en) | 2015-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180206 Address after: California, USA Patentee after: Global innovation polymerization LLC Address before: California, USA Patentee before: Tanous Co. Effective date of registration: 20180206 Address after: California, USA Patentee after: Tanous Co. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: HUAWEI DEVICE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |