CN203644956U - Intelligent antenna and calibrating device thereof - Google Patents
Intelligent antenna and calibrating device thereof Download PDFInfo
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- CN203644956U CN203644956U CN201320830086.1U CN201320830086U CN203644956U CN 203644956 U CN203644956 U CN 203644956U CN 201320830086 U CN201320830086 U CN 201320830086U CN 203644956 U CN203644956 U CN 203644956U
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- directional coupler
- joint
- network
- port
- calibration
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Abstract
The utility model discloses an intelligent antenna. The intelligent antenna comprises a reflecting plate, oscillators, an end cover, an installing plate and a calibrating device, the reflecting plate is connected with the end cover via the installing plate, the calibrating device comprises a medium plate, a plurality of connectors, and a calibration network, the calibration network is printed on the surface of the medium plate, the calibration network comprises a power distribution network formed by a plurality of power dividers and a plurality of directional couplers, any shunting port of the power distribution network is connected with a directional coupler, inner cores of connectors are directly connected with combining ports of the power distribution network or signal input ports of the directional couplers, a connector correspond to a port, the calibrating device is fixed at a side of the installing plate, the installing plate is provided with at least a bending strip, and the bending strip penetrates through the calibrating device and is fixed to the reflecting plate. By the above method, according to the intelligent antenna and the calibration device thereof, the size of the intelligent antenna can be reduced, and the amplitude and the phase of the combining ports of the power distribution network of the calibration network of the calibrating device to signals of an antenna subarray are consistent.
Description
Technical field
The utility model relates to field of antenna, particularly relates to a kind of smart antenna and calibrating installation thereof.
Background technology
Along with TD SDMA (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA) universal and timesharing Long Term Evolution (Time Division Long Term Evolution, TD-LTE) development, smart antenna, as one of key technology, has become the emphasis of antenna industry research.
At present, the implementation method of smart antenna is that the horizontal plane direction of array designs 4-8 row subarray side by side, and each subarray is at least made up of 2 radiating elements in vertical direction.Than other antenna for base station, existing smart antenna size is larger, and weight is heavier, produces thus some shortcomings, as: the one, smart antenna cross section is larger, and wind load is large, can bring potential safety hazard at bad weathers such as high wind, increases difficulty of construction; The 2nd, higher to the requirement of strength of smart antenna installing component, increase cost; The 3rd, smart antenna size causes being more greatly discord with surrounding environment, makes the public think that radiation is large by mistake and conflicts and install, and causes addressing difficulty.Therefore, the miniaturization of smart antenna has become a kind of trend.
Calibration network is as one of core component of smart antenna, to ensureing that systematic function plays an important role.At present, calibration network is placed in front end or the back of antenna conventionally, causes the length of antenna or thickness to increase, and is unfavorable for the miniaturization of smart antenna.And current calibration network is connected with radio frequency connector by cable, the error in length of cable can cause the phase place of calibration network inconsistent, and serious meeting causes smart antenna index to decline and even cannot normally work.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of smart antenna and calibrating installation thereof, can dwindle the size of smart antenna, and in calibrating installation calibration network power distributing network to close road port consistent with phase place to the amplitude of the signal of antenna oscillator.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of smart antenna is provided, comprises the mounting panel of reflecting plate, oscillator, end cap and connection reflecting plate and end cap, wherein, smart antenna also comprises calibrating installation; Calibrating installation comprises dielectric-slab, multiple joint and calibration network; Calibration network is printed on the surface of dielectric-slab, comprises power distributing network and multiple directional coupler that multiple power dividers form; Arbitrary point of road port of power distributing network connects a directional coupler; Joint inner core is directly connected with the signal input port that closes road port or directional coupler of power distributing network, and the corresponding port of a joint; Calibrating installation is fixed on a side of mounting panel; Mounting panel is provided with at least one bending bar, and bending bar runs through calibrating installation and is fixed on reflecting plate.
Wherein, calibrating installation comprises junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
Wherein, cable is connected with oscillator.
Wherein, joint is radio frequency connector, runs through successively end cap, mounting panel and calibrating installation.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of intelligent antenna calibration device is provided, comprises dielectric-slab, multiple joint and calibration network; Calibration network is printed on the surface of dielectric-slab, comprises multiple power dividers and multiple directional coupler; Multiple power dividers form power distributing network, and arbitrary point of road port of power distributing network connects a directional coupler; Joint inner core is directly connected with the signal input port that closes road port or directional coupler of power distributing network, and the corresponding port of a joint.Wherein, intelligent antenna calibration device also comprises junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
Wherein, the connected mode of the signal input port that closes road port or directional coupler of the inner core of joint and power distributing network is welding.
Wherein, joint is radio frequency connector.
Wherein, dielectric-slab is pcb board.
The beneficial effects of the utility model are: be different from the situation of prior art, the utility model intelligent antenna calibration device comprises dielectric-slab, multiple joint and calibration network; On dielectric-slab, be printed with calibration network, calibration network comprises multiple power dividers and multiple directional coupler, and wherein, multiple power dividers form power distributing network, and arbitrary point of road port of power distributing network connects a directional coupler; Joint inner core is directly connected with the signal input port that closes road port or directional coupler of power distributing network, and the corresponding port of a joint.Owing to being printed with the dielectric-slab of calibration network, to be close to smart antenna mounting panel surface fixing, is placed in front end or the back of smart antenna, the size that can dwindle smart antenna with respect to existing calibration network.Meanwhile, because joint inner core is directly connected with the signal input port that closes road port or directional coupler of power distributing network, can make power distributing network to close road port consistent with phase place to the amplitude of the signal of antenna oscillator.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model intelligent antenna calibration device is fixed on mounting panel one embodiment;
Fig. 2 is the structural representation of the utility model smart antenna one embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
Refer to Fig. 1, Fig. 1 is the structural representation that the utility model intelligent antenna calibration device is fixed on mounting panel one embodiment, as shown in Figure 1, comprises mounting panel 11, dielectric-slab 12, multiple joint 13 and calibration network 14; Wherein, dielectric-slab 12, multiple joint 13 and calibration network 14 belong to calibrating installation.
In the present embodiment, dielectric-slab 12 is fixed on a side of mounting panel 11, and joint 13 is fixed on the opposite side of mounting panel 11.
Calibration network 14 is printed on the surface of dielectric-slab 12, for smart antenna is calibrated, comprises multiple power dividers 141 and multiple directional coupler 142; Multiple power dividers 141 form power distributing network, and arbitrary point of road port of power distributing network connects a directional coupler 142.
Joint 13 runs through mounting panel 11 and dielectric-slab 12, and its inner core is directly connected with the signal input port that closes road port or directional coupler 142 of power distributing network, and the corresponding port of a joint.The phase error being directly connected when reducing joint 13 and be connected with cable with the signal input port of directional coupler 142.
In the present embodiment, intelligent antenna calibration device also comprises junction block 15 and cable 16, wherein, is arranged at the junction block 15 of directional coupler 142 signal output ports for welding cable 16.
Wherein, junction block 15 can utilize welded post to make cable 16 vertical with dielectric-slab 12, or directly adopts the mode of snapping access slot on dielectric-slab 12 that cable 16 and dielectric-slab 12 are be arranged in parallel.
In the present embodiment, the connected mode of the signal input port that closes road port or directional coupler 142 of the inner core of joint 13 and power distributing network is welding.
In the present embodiment, mounting panel 11 is provided with at least one bending bar 111 near the direction of dielectric-slab 12, and bending bar 111 runs through dielectric-slab 12.
In the present embodiment, dielectric-slab 12 is pcb board, and joint 13 is radio frequency connector.
In the present embodiment, dielectric-slab 12 is close on mounting panel 11, fixes by the mode of screw or rivet.Joint 13 is fixed on mounting panel 11 by screw.In other embodiments, can utilize equivalent fixed form to be fixed.
In the present embodiment, calibrating installation is provided with some sheet metals, for the tuning interference of electromagnetic field.
Refer to Fig. 2, Fig. 2 is the structural representation of the utility model smart antenna one embodiment, as shown in Figure 2, comprising: calibrating installation and antenna, wherein, antenna comprise reflecting plate 21, be positioned at oscillator 22 on reflecting plate 21, end cap 23 and connect the mounting panel 24 of reflecting plate 21 and end cap 23.
Wherein, calibrating installation is the calibrating installation shown in Fig. 1, comprises dielectric-slab 31, multiple joint 32, calibration network 33 and cable 34.
Wherein, mounting panel 24 is provided with at least one bending bar 241.
In the present embodiment, the signal output port of calibrating installation directional coupler is connected with oscillator 22.
Be specially, the cable 34 of calibrating installation is connected with oscillator 22.In calibrating installation, each directional coupler is for realizing coupling between a point of road port at power distributing network and an antenna oscillator array.
Wherein, partial cables 34 can be connected with oscillator 22 through reflecting plate 21 after bending, and this mode can conveniently connect up.
In the present embodiment, calibrating installation is fixed on a side of mounting panel 24, and the bending bar 241 on mounting panel 24 runs through calibrating installation and is fixed on reflecting plate 21.Wherein, fixed form is for being spirally connected or other modes.
In the present embodiment, end cap 23 is fixed on the opposite side of mounting panel, and wherein, fixed form is for being spirally connected or other modes.
In the present embodiment, joint 32 is radio frequency connector, runs through successively end cap 23, mounting panel 24 and calibrating installation.
In sum, the utility model changes the feeding classification of conventional calibration device, is specially joint and is directly connected with calibration network, can reduce the phase error of calibration network.The utility model calibrating installation alignment network utilisation dielectric-slab is arranged on mounting panel, makes calibration network on length and thickness, not take the inner space of smart antenna, the size of dwindling smart antenna.And the utility model calibrating installation can be used for small intelligent antenna, electric index is good, simple in structure, is applicable to producing in enormous quantities.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a smart antenna, comprises reflecting plate, oscillator, end cap and connects the mounting panel of reflecting plate and end cap, it is characterized in that, comprises calibrating installation;
Described calibrating installation comprises dielectric-slab, multiple joint and calibration network; Described calibration network is printed on the surface of dielectric-slab, comprises power distributing network and multiple directional coupler that multiple power dividers form; Arbitrary point of road port of described power distributing network connects a directional coupler; Described joint inner core is directly connected with the signal input port that closes road port or directional coupler of described power distributing network, and the corresponding port of a joint;
Described calibrating installation is fixed on a side of mounting panel;
Described mounting panel is provided with at least one bending bar, and described bending bar runs through described calibrating installation and is fixed on described reflecting plate.
2. smart antenna according to claim 1, is characterized in that, described calibrating installation comprises junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
3. smart antenna according to claim 2, is characterized in that, described cable is connected with described oscillator.
4. smart antenna according to claim 3, is characterized in that, described joint is radio frequency connector, runs through successively described end cap, mounting panel and calibrating installation.
5. an intelligent antenna calibration device, is characterized in that, comprises dielectric-slab, multiple joint and calibration network;
Described calibration network is printed on the surface of dielectric-slab, comprises multiple power dividers and multiple directional coupler; Described multiple power divider forms power distributing network, and arbitrary point of road port of described power distributing network connects a directional coupler;
Described joint inner core is directly connected with the signal input port that closes road port or directional coupler of described power distributing network, and the corresponding port of a joint.
6. device according to claim 5, is characterized in that, described intelligent antenna calibration device comprises junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
7. device according to claim 6, is characterized in that, the connected mode of the signal input port that closes road port or directional coupler of the inner core of described joint and power distributing network is welding.
8. device according to claim 7, is characterized in that, described joint is radio frequency connector.
9. device according to claim 8, is characterized in that, described dielectric-slab is pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830086.1U CN203644956U (en) | 2013-12-13 | 2013-12-13 | Intelligent antenna and calibrating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830086.1U CN203644956U (en) | 2013-12-13 | 2013-12-13 | Intelligent antenna and calibrating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644956U true CN203644956U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320830086.1U Withdrawn - After Issue CN203644956U (en) | 2013-12-13 | 2013-12-13 | Intelligent antenna and calibrating device thereof |
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| CN (1) | CN203644956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746193A (en) * | 2013-12-13 | 2014-04-23 | 京信通信技术(广州)有限公司 | Intelligent antenna and calibration device thereof |
-
2013
- 2013-12-13 CN CN201320830086.1U patent/CN203644956U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746193A (en) * | 2013-12-13 | 2014-04-23 | 京信通信技术(广州)有限公司 | Intelligent antenna and calibration device thereof |
| CN103746193B (en) * | 2013-12-13 | 2016-07-06 | 京信通信技术(广州)有限公司 | Smart antenna and calibrating installation thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |