CN209088045U - A kind of full frequency band water proof type four goes out bridge structure into four - Google Patents
A kind of full frequency band water proof type four goes out bridge structure into four Download PDFInfo
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- CN209088045U CN209088045U CN201821960561.6U CN201821960561U CN209088045U CN 209088045 U CN209088045 U CN 209088045U CN 201821960561 U CN201821960561 U CN 201821960561U CN 209088045 U CN209088045 U CN 209088045U
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Abstract
The utility model discloses a kind of full frequency band water proof types four to go out bridge structure into four, the bridge structure includes: ontology, cavity and cover plate combination, it is opened up on ontology by open cavity, cover plate combination is fixed in the open ports of cavity, inner conductor, mounting medium and matching section are installed in the cavity, the inner conductor goes out electric bridge inner conductor into two by four two and matching inner conductor connects and composes, the multiple holes of equidistantly distributed on inner conductor, mounting medium is fixed in hole location, and inner conductor is fixed on ontology.Bridge structure described in the utility model is able to bear biggish power, covers current domestic and international 2G, and the mobile communication frequency range of all standards of 3G, 4G can realize the combining and branch of four road homogenous frequency signals simultaneously, considerably increase the utilization rate of resource.The air strip line four, which goes out electric bridge into four, also has many advantages, such as simple structure, lower loss and better intermodulation performance, debugging easy to install.
Description
Technical field
The utility model relates to a kind of bridge structure, especially a kind of full frequency band water proof type four goes out bridge structure into four, belongs to
In field of communication technology.
Background technique
With the development of wireless communication, the pattern of multi-operator competition is more and more fierce, can be compatible with each standard network at present
Indoor distributed system generated.Many indoor distributed systems need to be combined multichannel homogenous frequency signal.It is currently used
Method is realized using several cascade modes of 3dB electric bridge.There are many disadvantages for this mode.First cascade using
Half steel cable is tied if wanting to realize that the combining of four road signals just needs to cascade four 3dB electric bridges with more half steel cables
Structure is complicated.Secondly, all technical that cascade also affects system brings inconvenience to assembly, debugging and system detection.
Utility model content
The utility model is exactly in view of the deficienciess of the prior art, propose that a kind of full frequency band water proof type four goes out electric bridge into four
Structure.
To solve the above problems, technical solution adopted in the utility model is as follows:
A kind of full frequency band water proof type four goes out bridge structure into four, and the bridge structure includes: ontology, cavity and cover board group
It closes, opens up on ontology by open cavity, cover plate combination is fixed in the open ports of cavity, is equipped in the cavity interior
Conductor, mounting medium and matching section, the inner conductor goes out electric bridge inner conductor into two by four two and matching inner conductor connects and composes,
The multiple holes of equidistantly distributed, mounting medium are fixed in hole location on inner conductor, and inner conductor is fixed on ontology.
As an improvement of the above technical solution, inner conductor edge providing holes, mounting medium pass through hole location and lead interior
Body is fixed steady.
As an improvement of the above technical solution, the edge of the cavity is additionally provided with multiple capillary grooves.
As an improvement of the above technical solution, the bridge structure, further includes water proof ring, and water proof ring is fixed on cavity
Inside.
As an improvement of the above technical solution, the inner conductor and matching section, which are connected directly, is fixed as an entirety, matching
Equidistantly distributed multiple holes are set in section, and the mounting medium passes through the hole of inner conductor and matching section, by inner conductor and matching section
It is fixed in cavity.
As an improvement of the above technical solution, the cover plate combination includes inner cover plate and waterproof cover, the inner cover plate peace
Dress is fixed in cavity, and the waterproof cover is fixed on the top of ontology.
Compared with prior art, the implementation result of the utility model is as follows:
The mobile standard frequency range of the 2G/3G/4G of three big operators, the country is 800-2700MHz, the shifting of external operator at present
Dynamic standard frequency range has construction in low-frequency range 350-698MHz frequency range and 698-2700 MHz.The utility model four goes out electric bridge into four
Frequency range 350-2700MHz includes that the current country three big operator 2G, the frequency range 800-2700 MHz of 3G, 4G also include state
The outer common 380-698 MHz frequency range of operator, 698-2700 MHz frequency range, the frequency range of a general current mainstream of product.Cause
It is following mainstream for multiple operators base station of building together, this also requires device power to improve accordingly, and frequency range is more, prevents
Nonlinear perturbations are only generated between each other and also require lower intermodulation performance, and the utility model four, which goes out electric bridge into four, can be good at
Meet this point.
Air strip line is a kind of transmission line with TEM mould, thus device is able to bear biggish power, it is applicable in
Frequency range be 350-2700MHz, cover current domestic and international 2G, the mobile communication frequency range of all standards of 3G, 4G.Due to
There are four input port and four delivery outlets for tool, it can realize the combining and branch of four road homogenous frequency signals simultaneously, considerably increase money
The utilization rate in source.The air strip line four, which goes out electric bridge into four, also has simple structure, lower loss and better intermodulation performance,
The advantages that debugging easy to install.
Detailed description of the invention
Fig. 1 goes out bridge structure schematic diagram for described in the utility model four into four；
Fig. 2 goes out bridge structure schematic diagram for described in the utility model four into four；
Fig. 3 is that emulation two into two goes out bridge structure model schematic；
Fig. 4 is the electrical performance indexes curve in Fig. 3 after bridge structure emulation；
Fig. 5 is the matching section schematic diagram of bridge structure after simulation optimization described in the utility model；
Fig. 6 is water proof ring structural schematic diagram described in the utility model；
Fig. 7 is four two described in the utility model into two and goes out the schematic diagram after electric bridge is connected with matching section；
Fig. 8 is inner cover plate structural schematic diagram described in the utility model；
Fig. 9 is waterproof cover structural schematic diagram described in the utility model；
Figure 10 is described in the utility model four into four main views for going out bridge structure shape；
Figure 11 is the left view of Figure 10；
Figure 12 is the right view of Figure 10；
Figure 13 is the rearview of Figure 10.
Specific embodiment
Illustrate the content of the utility model below in conjunction with specific embodiments.
As shown in Fig. 2, going out bridge structure schematic diagram, electric bridge knot described in the utility model for described in the utility model four into four
Structure includes: ontology 10, cavity 20 and cover plate combination 30, is opened up on ontology 10 by open cavity 20, the installation of cover plate combination 30 is solid
Be scheduled in the open ports of cavity 20, inner conductor 21, mounting medium 22 and matching section 23 be installed in the cavity 20, it is described in lead
Body 21 goes out electric bridge inner conductor into two by four two and matching inner conductor connects and composes, the multiple holes of equidistantly distributed on inner conductor 21,
Mounting medium 22 is fixed in hole location, and inner conductor 21 is fixed on ontology 10.21 edge providing holes of inner conductor,
Mounting medium 22 passes through hole location and fixes inner conductor 21 steadily, increases the consistency and stability of bridge structure in this way.
Bridge structure described in the utility model, the inner conductor 21 and matching section 23, which are connected directly, is fixed as an entirety,
Using molding is integrally machined equidistantly distributed multiple holes can be set, and the mounting medium 22 passes through inner conductor on matching section 23
21 and matching section 23 hole, inner conductor 21 and matching section 23 are fixed in cavity 20.
Bridge structure described in the utility model is additionally provided with multiple capillary grooves 24, capillary groove 24 in the edge of cavity 20
It is moist to play 20 inside of protection cavity, prevents the interior component installed of moisture damage cavity 20.
In order to which bandwidth reaches 350-2700 MHz, first goes out bridge structure to two into two and emulate, coupled using four sections
Line conceptual design is allowed to index by electromagnetic simulation software optimization and is optimal.As shown in figure 3, going out electric bridge for emulation two into two
Structural model schematic diagram；Fig. 4 is the electrical performance indexes curve in Fig. 3 after bridge structure emulation.
Bridge structure described in the utility model emulates the echo of matching section 23, reaches 35dB or more with echo, lead in matching
Body is fixed with PTFE medium, its effect be connection two two into two go out electric bridge be allowed to match well.Fig. 5 is emulation
The schematic diagram of matching section 23 after optimization.
Bridge structure described in the utility model further includes water proof ring 25, is illustrated in figure 6 25 schematic diagram of water proof ring.It is described
Water proof ring 25 is fixed on the inside of cavity 20, and water proof ring 25 is avoided entering moisture inside cavity 20, be played inside cavity 20
Moisture-proof effect.
Bridge structure described in the utility model, two into two principles that electric bridge goes out electric bridge by four into four out that four have been emulated
Figure scheme is spliced, and intermediate matching section 23 is then connected with the matching strip line emulated.Fig. 7 be four two into two go out electric bridge and
With the schematic diagram after section connection.
Bridge structure described in the utility model, cover plate combination 30 include inner cover plate 31 and waterproof cover 32, are illustrated in figure 8
Inner cover plate 31, Fig. 9 are waterproof cover 32.Inner cover plate 31 is fixed in cavity 20, and the internal component installed is prevented to be detached from
Ontology 10, waterproof cover 32 are fixed on the top of ontology 10, prevent moisture from entering inside cavity 20.
Bridge structure described in the utility model, production method the following steps are included:
Step 1: two into two go out electric bridge emulation；
It is excellent by electromagnetic simulation software using four section coupling line conceptual designs in order to which bandwidth reaches 350-2700 MHz
Change is allowed to index and is optimal；
Step 2: emulation matching section echo；
Matching section echo is emulated, 35dB or more is reached with echo, matching inner conductor is fixed with PTFE medium, it
Effect be connection two two into two go out electric bridge be allowed to match well；
Step 3: two into two go out electric bridge connects with matching section；
Four have emulated in step 1 two into two are gone out electric bridge, the schematic diagram scheme for going out electric bridge by four into four is spliced,
Intermediate matching section is connected with the matching strip line emulated in step 2.
The above content is in conjunction with specific embodiments to detailed description made by the utility model, and it cannot be said that this is practical new
Type specific implementation is only limitted to these explanations.For those skilled in the art of the present invention, this is not being departed from
Under the premise of utility model is conceived, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the utility model guarantor
The range of shield.
Claims (6)
1. a kind of full frequency band water proof type four goes out bridge structure into four, characterized in that the bridge structure includes: ontology (10), chamber
Body (20) and cover plate combination (30) are opened up by open cavity (20) on ontology (10), and cover plate combination (30) is fixed on chamber
In the open ports of body (20), inner conductor (21), mounting medium (22) and matching section (23) are installed in the cavity (20), it is described
Inner conductor (21) goes out electric bridge inner conductor into two by four two and matching inner conductor connects and composes, equidistantly distributed on inner conductor (21)
Multiple holes, mounting medium (22) are fixed in hole location, and inner conductor (21) is fixed on ontology (10).
2. a kind of full frequency band water proof type four as described in claim 1 goes out bridge structure into four, characterized in that the inner conductor
(21) edge providing holes, mounting medium (22) passes through hole location, and inner conductor (21) are fixed steady.
3. a kind of full frequency band water proof type four as described in claim 1 goes out bridge structure into four, characterized in that the cavity (20)
Edge be additionally provided with multiple capillary grooves (24).
4. a kind of full frequency band water proof type four as described in claim 1 goes out bridge structure into four, characterized in that the electric bridge knot
Structure, further includes water proof ring (25), and water proof ring (25) is fixed on the inside of cavity (20).
5. a kind of full frequency band water proof type four as described in claim 1 goes out bridge structure into four, characterized in that the inner conductor
(21) it is connected directly with matching section (23) and is fixed as an entirety, equidistantly distributed multiple holes are set on matching section (23), it is described
Mounting medium (22) passes through the hole of inner conductor (21) and matching section (23), and inner conductor (21) and matching section (23) are fixed on cavity
(20) in.
6. a kind of full frequency band water proof type four as described in any in claim 1 ~ 5 goes out bridge structure into four, characterized in that described
Cover plate combination (30) includes inner cover plate (31) and waterproof cover (32), and the inner cover plate (31) is fixed in cavity (20),
The waterproof cover (32) is fixed on the top of ontology (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821960561.6U CN209088045U (en) | 2018-11-27 | 2018-11-27 | A kind of full frequency band water proof type four goes out bridge structure into four |
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| CN201821960561.6U CN209088045U (en) | 2018-11-27 | 2018-11-27 | A kind of full frequency band water proof type four goes out bridge structure into four |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411859A (en) * | 2018-11-27 | 2019-03-01 | 安徽阖煦微波技术有限公司 | A kind of full frequency band water proof type four goes out bridge structure and preparation method thereof into four |
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2018
- 2018-11-27 CN CN201821960561.6U patent/CN209088045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411859A (en) * | 2018-11-27 | 2019-03-01 | 安徽阖煦微波技术有限公司 | A kind of full frequency band water proof type four goes out bridge structure and preparation method thereof into four |
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