CN203761756U - Radio frequency shielding box - Google Patents
Radio frequency shielding box Download PDFInfo
- Publication number
- CN203761756U CN203761756U CN201420043830.8U CN201420043830U CN203761756U CN 203761756 U CN203761756 U CN 203761756U CN 201420043830 U CN201420043830 U CN 201420043830U CN 203761756 U CN203761756 U CN 203761756U
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- CN
- China
- Prior art keywords
- side plate
- box body
- bearing
- power connection
- radio
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a radio frequency shielding box. The inner side of a first side plate is provided with three partition plates which divide an accommodating space at the inner side of the first side plate into four sub accommodating regions; the partition plates are set, so that four input channels can be isolated from each other, and therefore, the isolation degree of radio frequency signals of the four input channels can be improved; the middle of a second side plate extends inwardly so as to form a power source connector supporting seat; a power source connector can be installed in a power source connector groove of the power source connector supporting seat in an embedded manner; the power source connector is wrapped in the power source connector supporting seat so that the power source connector can be excellently shielded and isolated; the middle of a third side plate extends outwardly so as to form an output connector supporting seat; an output connector can be installed in an output connector groove of the output connector supporting seat in an embedded manner; and the output connector is wrapped in the output connector supporting seat so that the output connector can be excellently shielded and isolated. According to the radio frequency shielding box of the utility model, based on inner structure layout of the shielding box, isolation between radio frequency signals of a plurality of channels can be improved, and the performance of an entire radio frequency module can be improved.
Description
Technical field
The utility model relates to radio shielding technical field, relates in particular to a kind of radio-frequency screening box.
Background technology
Flourish along with modern digital mobile communication technology, user is more and more higher to the performance requirement of Wireless Telecom Equipment, with the data transmission set stable, at a high speed of realizing in various environment, is one of main target of future mobile communication system researcher.Electromagnetic interference is that the major issue that communication must face and overcome is stablized at a high speed in the realization of the whole communications field.
Shield electromagnetic interference is exactly to carrying out the isolation of metal between two area of space, to control electric field, magnetic field and electromagnetic wave, by a region, to another region, is responded to and radiation.At present, shielding box is widely used in some communication class equipment and communication class module, and shielding box, as a kind of box-like shield, wraps up the interference source of component, circuit, sub-assembly, cable or whole system, prevent that interfere with electromagnetic field is to outdiffusion, improve whereby test bad border.The effect of isolation external interference is mainly considered in traditional radio-frequency screening box design, and in the inner general open layout that adopts of shielding box, the isolation between multichannel radiofrequency signal is very poor, thereby has lowered the performance of whole radio-frequency module.
Utility model content
The technical problem that basic background technology exists, the utility model proposes a kind of radio-frequency screening box, by shielding box internal structure layout, has improved the isolation between a plurality of passage radiofrequency signals, has improved the performance of whole radio-frequency module.
A kind of radio-frequency screening box the utility model proposes, comprises the first box body and the second box body, and the first box body and the second box body are all square box body, is formed for the accommodation space of accommodating RF Components in the first box body and the second box body; The first box body is surrounded by the first side plate, the second side plate, the 3rd side plate, the 4th side plate and panel, and the first side plate and the 3rd side plate are oppositely arranged, and the second side plate and the 4th side plate are oppositely arranged; On the first side plate, be provided with four input through holes, in the first side plate inner side, be provided with three dividing plates that are arranged in parallel the accommodation space of the first side plate inner side is divided into four sub-disposal areas, four input through holes are communicated with four sub-disposal areas respectively, and four input adapters are arranged on respectively in four input through holes.
Preferably, three dividing plates are one-body molded on the first side plate and panel, and three dividing plates and the first side plate are contour.
Preferably, at the second side plate middle part, extend to form to the inside power connection bearing, be provided with power connection groove in power connection bearing, power connection can embed and be arranged in power connection groove.
Preferably, power connection bearing is one-body molded on the second side plate and panel, and power connection bearing and the second side plate are contour.
Preferably, at the 3rd side plate middle part, extend to form laterally out splice going splice bearing, be provided with side by side a plurality of out splice going splice grooves on out splice going splice bearing, out splice going splice can embed and be arranged in out splice going splice groove.
Preferably, out splice going splice bearing is one-body molded on the second side plate and panel, and out splice going splice bearing and the 3rd side plate are contour.
Preferably, on the 3rd side plate of out splice going splice bearing both sides, be respectively equipped with an out splice going splice groove, out splice going splice can be arranged in out splice going splice groove.
Preferably, the first box body and the second box body all adopt aluminium alloy milling system to form.
In the utility model, in the first side plate inner side, be provided with three dividing plates the accommodation space of the first side plate inner side is divided into four sub-disposal areas, four input adapters are arranged on respectively in four input through holes of the first side plate and access respectively four sub-disposal areas, by dividing plate being set to isolating between four input channels, thereby improved the isolation of four input channel radiofrequency signals; At the second side plate middle part, extend to form to the inside power connection bearing, power connection can embed in the power connection groove that is arranged on power connection bearing, thereby power connection is wrapped in power connection bearing power connection is played to better shielding and buffer action; At the 3rd side plate middle part, extend to form laterally out splice going splice bearing, out splice going splice can embed in the out splice going splice groove that is arranged on out splice going splice bearing, thereby out splice going splice is wrapped in out splice going splice bearing out splice going splice is played to better shielding and buffer action.
Radio-frequency screening box of the present utility model, has improved the isolation between a plurality of passage radiofrequency signals by shielding box internal structure layout, has improved the performance of whole radio-frequency module.
Accompanying drawing explanation
Fig. 1 is the front view of the first box body in a kind of radio-frequency screening box the utility model proposes.
Fig. 2 is the vertical view of the first box body in a kind of radio-frequency screening box the utility model proposes.
Embodiment
As depicted in figs. 1 and 2, Fig. 1 is the front view of the first box body in a kind of radio-frequency screening box the utility model proposes, and Fig. 2 is the vertical view of the first box body in a kind of radio-frequency screening box the utility model proposes.
See figures.1.and.2, a kind of radio-frequency screening box the utility model proposes, comprise the first box body 1 and the second box body, the first box body 1 and the second box body all adopt aluminum alloy materials milling system to form, the first box body 1 and the second box body are all the square box body with an opening surface, in the first box body 1 and the second box body, be formed for the accommodation space of accommodating RF Components, in assembling process, the opening surface positioned opposite of the first box body 1 and the second box body is also fixedly connected with;
The first box body 1 is surrounded by the first side plate 11, the second side plate 12, the 3rd side plate 13, the 4th side plate 14 and panel 15, and the first side plate 11 and the 3rd side plate 13 are oppositely arranged, and the second side plate 12 and the 4th side plate 14 are oppositely arranged;
In the utility model embodiment, on the first side plate 11, be provided with four input through holes 2, in the first side plate 11 inner sides, form input accommodation space, in the first side plate 11 inner sides, be provided with three dividing plates that are arranged in parallel 3 the input accommodation space of the first side plate 11 inner sides is divided into four sub-disposal area A, B, C, D, four input through holes 2 are communicated with four sub-disposal area A, B, C, D respectively, and four input adapters are arranged on respectively in four input through holes 2; Particularly, three dividing plates 2 are one-body molded on the first side plate 11 and panel 15, and three dividing plates 2 and the first side plate 11 are contour.
In the present embodiment, the first side plate 11 inner sides are provided with three dividing plates 3 accommodation space of the first side plate 11 inner sides are divided into four sub-disposal area A, B, C, D, four input adapters are arranged on respectively in four input through holes 2 of the first side plate 11 and access respectively four sub-disposal area A, B, C, D, by arranging between 3 pairs of four input channels of dividing plate, isolate, thereby improved the isolation of four input channel radiofrequency signals;
In further embodiment, at the second side plate 12 middle parts, extend to form to the inside power connection bearing 4, in power connection bearing 4, be provided with power connection groove 40, power connection can embed and be arranged in power connection groove 40; Particularly, power connection bearing 4 is one-body molded on the second side plate 12 and panel 15, and power connection bearing 4 and the second side plate are contour.
At the second side plate 12 middle parts, extend to form to the inside power connection bearing 4, power connection can embed in the power connection groove 40 that is arranged on power connection bearing 4, thereby power connection is wrapped in power connection bearing 4 power connection is played to better shielding and buffer action.
In further embodiment, at the 3rd side plate 13 middle parts, extend to form laterally out splice going splice bearing 5, on out splice going splice bearing 5, be provided with side by side a plurality of out splice going splice grooves 50, out splice going splice can embed and be arranged in out splice going splice groove 50; Particularly, out splice going splice bearing 5 is one-body molded on the second side plate 12 and panel 15, and out splice going splice bearing 5 and the 3rd side plate 12 are contour.
On the 3rd side plate 13 of out splice going splice bearing 5 both sides, be respectively equipped with an out splice going splice groove 50, out splice going splice can embed and be arranged in out splice going splice groove 50.
At the 3rd side plate 13 middle parts, extend to form laterally out splice going splice bearing 5, out splice going splice can embed in the out splice going splice groove 50 that is arranged on out splice going splice bearing 5, thereby out splice going splice is wrapped in out splice going splice bearing 5 out splice going splice is played to better shielding and buffer action.
Radio-frequency screening box of the present utility model, has improved the isolation between a plurality of passage radiofrequency signals by shielding box internal structure layout, has improved the performance of whole radio-frequency module.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (8)
1. a radio-frequency screening box, is characterized in that, comprises the first box body (1) and the second box body, and the first box body (1) and the second box body are all square box body, is formed for the accommodation space of accommodating RF Components in the first box body (1) and the second box body; The first box body (1) is surrounded by the first side plate (11), the second side plate (12), the 3rd side plate (13), the 4th side plate (14) and panel (15), the first side plate (11) is oppositely arranged with the 3rd side plate (13), and the second side plate (12) is oppositely arranged with the 4th side plate (14); On the first side plate (11), be provided with four input through holes (2), in the first side plate (11) inner side, be provided with three dividing plates that are arranged in parallel (3) accommodation space of the first side plate (11) inner side is divided into four sub-disposal areas (A, B, C, D), four input through holes (2) are communicated with four sub-disposal areas (A, B, C, D) respectively, and four input adapters are arranged on respectively in four input through holes (2).
2. radio-frequency screening box according to claim 1, is characterized in that, three dividing plates (2) are one-body molded upper at the first side plate (11) and panel (15), and three dividing plates (2) are contour with the first side plate (11).
3. radio-frequency screening box according to claim 1, it is characterized in that, at the second side plate (12) middle part, extend to form to the inside power connection bearing (4), be provided with power connection groove (40) in power connection bearing (4), power connection can embed and be arranged in power connection groove (40).
4. radio-frequency screening box according to claim 3, is characterized in that, power connection bearing (4) is one-body molded upper at the second side plate (12) and panel (15), and power connection bearing (4) is contour with the second side plate.
5. radio-frequency screening box according to claim 1, it is characterized in that, at the 3rd side plate (13) middle part, extend to form laterally out splice going splice bearing (5), on out splice going splice bearing (5), be provided with side by side a plurality of out splice going splice grooves (50), out splice going splice can embed and be arranged in out splice going splice groove (50).
6. radio-frequency screening box according to claim 5, is characterized in that, out splice going splice bearing (5) is one-body molded upper at the second side plate (12) and panel (15), and out splice going splice bearing (5) is contour with the 3rd side plate (12).
7. radio-frequency screening box according to claim 5, is characterized in that, on the 3rd side plate (13) of out splice going splice bearing (5) both sides, is respectively equipped with an out splice going splice groove (50), and out splice going splice can embed and be arranged in out splice going splice groove (50).
8. according to the radio-frequency screening box described in any one in claim 1-7, it is characterized in that, the first box body (1) and the second box body (2) all adopt aluminium alloy milling system to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043830.8U CN203761756U (en) | 2014-01-23 | 2014-01-23 | Radio frequency shielding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043830.8U CN203761756U (en) | 2014-01-23 | 2014-01-23 | Radio frequency shielding box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761756U true CN203761756U (en) | 2014-08-06 |
Family
ID=51256981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043830.8U Expired - Fee Related CN203761756U (en) | 2014-01-23 | 2014-01-23 | Radio frequency shielding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541464A (en) * | 2020-05-08 | 2020-08-14 | 济南浪潮高新科技投资发展有限公司 | Method and device for increasing isolation between radio frequency multiple channels |
-
2014
- 2014-01-23 CN CN201420043830.8U patent/CN203761756U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541464A (en) * | 2020-05-08 | 2020-08-14 | 济南浪潮高新科技投资发展有限公司 | Method and device for increasing isolation between radio frequency multiple channels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20180123 |