CN210403993U - Coupler applied to shared room engineering of co-construction - Google Patents
Coupler applied to shared room engineering of co-construction Download PDFInfo
- Publication number
- CN210403993U CN210403993U CN201921685453.7U CN201921685453U CN210403993U CN 210403993 U CN210403993 U CN 210403993U CN 201921685453 U CN201921685453 U CN 201921685453U CN 210403993 U CN210403993 U CN 210403993U
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- shell
- coupling
- coupler
- port
- cover plate
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Abstract
A coupler applied to shared room engineering of co-construction comprises a shell, wherein the shell is of a hollow structure, an input port and an output port are respectively arranged at two ends of the shell, and a coupling port is arranged at the side part of the shell; the load resistor is arranged on the inner wall of the shell; the main guide rod is arranged in the shell, and two ends of the main guide rod are respectively connected with the input port and the output port; one end of the coupling rod is connected with the coupling port, and the other end of the coupling rod is connected with the load resistor. The utility model discloses be applied to and build sharing room branch engineering's coupler utensil altogether has following advantage: 1. the four-section impedance transformation structure implementation path is calculated according to the parallel coupling theory, has wider bandwidth and flatter coupling degree, and has stable product performance and small loss. 2. By applying three-dimensional simulation software and arranging the grooves and the bosses in the shell and the cover plate, an internal electromagnetic field is optimized, and the overall electrical performance index of the coupler is greatly improved.
Description
Technical Field
The utility model relates to an electricity field especially relates to the microwave technology, and the coupler among the in particular to mobile communication equipment technical field specifically is a coupler of sharing room branch engineering is built altogether to be applied to.
Background
With the continuous development of communication technology, especially the updated evolution of 5G technology. The existing communication frequency range is more abundant, operators cover the communication frequency range independently, space resources are wasted, and repeated laying of transmission lines is caused. The establishment of iron tower companies provides a scheme for co-building a sharing room subsystem. Therefore, the coupler with wider frequency, more operators and more frequency band systems is produced. The wider frequency bandwidth promotes the difficulty of coupler production, and especially under the trend of equipment miniaturization, the coupling degree and insertion loss of the coupler are reduced obviously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to build sharing room altogether and divide coupler of engineering, this kind be applied to and build sharing room altogether and divide the coupler of engineering and will solve the great technical problem of the sharing room branch system coupler production degree of difficulty of building altogether among the prior art.
In order to solve the technical problem, the coupler applied to the shared room engineering of the co-construction comprises a shell, wherein the shell is of a hollow structure, an input port and an output port are respectively arranged at two ends of the shell, and a coupling port is arranged at the side part of the shell; the load resistor is arranged on the inner wall of the shell; the main guide rod is arranged in the shell, and two ends of the main guide rod are respectively connected with the input port and the output port; and one end of the coupling rod is connected with the coupling port, and the other end of the coupling rod is connected with the load resistor.
One end of the coupling rod is connected with the coupling port through a first impedance matching line, and the other end of the coupling rod is connected with the load resistor through a second impedance matching line.
The load resistor is arranged on the inner wall of the shell through a grounding device.
The main guide rod is of a strip line structure and is formed by sequentially connecting four sections of main guide impedance transformation components; the coupling rod is of a strip line structure and is formed by sequentially connecting four sections of coupling impedance transformation components.
And mounting brackets are respectively arranged at the joints of the dominant impedance transformation assembly and the coupled impedance transformation assembly.
The shell comprises a shell body and a cover plate covering the shell body.
The bottom of the shell is provided with a bottom groove, and the depth of the bottom groove is 2.5 mm.
The top of apron is equipped with apron recess and apron boss, the degree of depth of apron recess is 2 millimeters, the height of apron boss is 2 millimeters.
And the inner surfaces of the shell and the cover plate are plated with silver, and the main guide rod and the coupling rod are integrally plated with silver.
And a debugging port is arranged on the side wall of the shell.
The utility model discloses be applied to and build sharing room branch engineering's coupler utensil altogether has following advantage:
1. the four-section impedance transformation structure implementation path is calculated according to the parallel coupling theory, has wider bandwidth and flatter coupling degree, and has stable product performance and small loss.
2. By applying three-dimensional simulation software and arranging the grooves and the bosses in the shell and the cover plate, an internal electromagnetic field is optimized, and the overall electrical performance index of the coupler is greatly improved.
Drawings
Fig. 1 is a top view of a housing of a coupler applied to a co-construction shared room project according to the present invention;
fig. 2 is a schematic sectional view of a housing of a coupler applied to a co-construction shared room project according to the present invention;
fig. 3 is a top view of a cover plate of a coupler applied to a shared room engineering of the present invention;
fig. 4 is a schematic cross-sectional view of a cover plate of a coupler applied to a co-construction shared room project of the present invention.
Detailed Description
The following describes the coupler applied to the co-construction shared room engineering according to the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the coupler applied to the co-construction shared room engineering of the present invention includes a housing 110, a cover plate 120, a main conducting rod 210, a coupling rod 220 and a high power load resistor 510. There are three ports outside the housing, namely an input port 130, an output port 140 and a coupling port 150, and a debugging port 160 is formed on the side wall of the housing.
One end of the main leader 210 is connected to the input port 130, and the other end is connected to the output port 140; one end of the coupling rod 220 is connected to the coupling port 150, a first impedance matching line 221 is arranged between the coupling port and the coupling port, the other end of the coupling rod passes through a second impedance matching line 222 and then is welded with the high-power load resistor 510, the high-power load resistor 510 is connected with the shell 110 through the grounding device 520, and the two sides of the high-power load resistor are fixed through screws. The side wall of the housing 110 has a debugging port 160, and the distance between the main guide rod 210 and the coupling rod 220 can be changed through the debugging port 160, so as to achieve fine tuning of the coupling signal quantity.
The main guide rod 210 and the coupling rod 220 are of a strip line structure and are composed of four sections of main impedance transformation assemblies and four sections of coupling impedance transformation assemblies, the main guide rod 210 and the coupling rod 220 are horizontally and parallelly installed inside the shell, corresponding intervals are correspondingly kept in parallel between each section of the impedance transformation assemblies, installing supports (410, 420 and 430) are arranged at the bottom and the top of the main guide rod 210 and the coupling rod 220, the installing supports (410, 420 and 430) are made of FR4, and the good dielectric constant is achieved.
The bottom of the shell 110 is provided with shell grooves (310, 320), and the depth of the shell grooves (310, 320) is 2.5 mm; the cover plate 120 has a cover plate protrusion 330 and a cover plate groove 340 on the surface, the height of the cover plate protrusion 330 is 2 mm, and the depth of the cover plate groove 340 is 2 mm. The dimensions of the groove and the boss are calculated, so that the electromagnetic field transmitted in the shell 110 is optimized, and the product performance is improved.
The housing 110, the cover plate 120, the main guide bar 210 and the coupling bar 220 are made of aluminum alloy. The inner surfaces of the case 110 and the cap plate 120 are plated with silver, and the main guide bar 210 and the coupling bar 220 are integrally plated with silver, and both ends are frosted for easy welding. The shell 110 and the cover plate 120 are fixed by screws, and the cover plate boss 330 of the cover plate 120 and three sets of mounting brackets (410, 420, 430) inside the shell 110 are compacted with each other, so that the whole is firm and reliable.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and various equivalent modifications and substitutions can be made without departing from the spirit of the present invention.
Claims (10)
1. A coupler for use in a co-building shared room process, comprising: the shell is of a hollow structure, an input port and an output port are respectively arranged at two ends of the shell, and a coupling port is arranged at the side part of the shell; the load resistor is arranged on the inner wall of the shell; the main guide rod is arranged in the shell, and two ends of the main guide rod are respectively connected with the input port and the output port; and one end of the coupling rod is connected with the coupling port, and the other end of the coupling rod is connected with the load resistor.
2. The coupler applied to the co-construction shared room engineering as recited in claim 1, wherein one end of the coupling rod is connected to the coupling port through a first impedance matching line, and the other end of the coupling rod is connected to the load resistor through a second impedance matching line.
3. The coupler applied to the co-construction shared room engineering according to claim 2, wherein the load resistor is arranged on the inner wall of the shell through a grounding device.
4. The coupler applied to the co-construction shared room partition engineering according to claim 3, wherein the main leader is of a strip line structure, and the main leader is formed by sequentially connecting four sections of main leader impedance transformation components; the coupling rod is of a strip line structure and is formed by sequentially connecting four sections of coupling impedance transformation components.
5. The coupler applied to the co-construction shared room engineering as claimed in claim 4, wherein mounting brackets are respectively arranged at the connection positions of the dominant impedance transformation component and the coupling impedance transformation component.
6. The coupler applied to the co-construction shared room engineering as recited in claim 5, wherein the housing comprises a shell and a cover plate covering the shell.
7. The coupler applied to the co-construction shared room engineering according to claim 6, wherein a bottom groove is formed at the bottom of the shell, and the depth of the bottom groove is 2.5 mm.
8. The coupler applied to the co-construction shared room engineering as recited in claim 7, wherein a cover plate groove and a cover plate boss are arranged on the top of the cover plate, the cover plate groove has a depth of 2 mm, and the cover plate boss has a height of 2 mm.
9. The coupler applied to the co-construction shared room engineering of claim 8, wherein the inner surfaces of the shell and the cover plate are plated with silver, and the main guide rod and the coupling rod are integrally plated with silver.
10. The coupler applied to the co-construction shared room engineering of claim 9, wherein a debugging port is arranged on the side wall of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685453.7U CN210403993U (en) | 2019-10-10 | 2019-10-10 | Coupler applied to shared room engineering of co-construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685453.7U CN210403993U (en) | 2019-10-10 | 2019-10-10 | Coupler applied to shared room engineering of co-construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403993U true CN210403993U (en) | 2020-04-24 |
Family
ID=70342299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921685453.7U Expired - Fee Related CN210403993U (en) | 2019-10-10 | 2019-10-10 | Coupler applied to shared room engineering of co-construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403993U (en) |
-
2019
- 2019-10-10 CN CN201921685453.7U patent/CN210403993U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |