CN203326112U - Feed network capable of realizing continuous phase change - Google Patents
Feed network capable of realizing continuous phase change Download PDFInfo
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- CN203326112U CN203326112U CN201320071269XU CN201320071269U CN203326112U CN 203326112 U CN203326112 U CN 203326112U CN 201320071269X U CN201320071269X U CN 201320071269XU CN 201320071269 U CN201320071269 U CN 201320071269U CN 203326112 U CN203326112 U CN 203326112U
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- feeding network
- phase shifter
- covert
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- cavity
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- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000003466 welding Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 abstract description 21
- 238000004891 communication Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Abstract
The utility model can be applied in the communication technology field and provides a feed network capable of realizing continuous phase change. The feed network capable of realizing continuous phase change comprises a chamber body, a phase shifter, a feed network, a cover plate and a pull rod, wherein the phase shifter is used for realizing signal phase change, has a transmission line structure and is arranged in the chamber body, the feed network is connected with the transmission line structure of the phase shifter and is arranged in the chamber body, the cover plate is matched with the chamber body, and the pull rod is connected with the phase shifter, drives the phase shifter to do continuous movement to change length of a transmission line and is arranged at a surface of a cover body. The utility model further provides an antenna device containing the feed network capable of realizing continuous phase change. The feed capable of realizing continuous phase change employs a principle that changing length of the transmission line can realize phase change, so continuous phase change is realized, a phase shift direction and a transmission direction are consistent, the feed network capable of realizing continuous phase change has a simple structure and can guarantee smooth transmission.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of feeding network that can be covert continuously.
Background technology
Phase shifter is to be applied to the critical component that electricity is adjusted antenna for base station, can change the beam scanning angle of array antenna, i.e. angle of declination, so electrical tilt antenna can, by adjusting the phase shift position of phase shifter, change the coverage of antenna beam flexibly.On principle, the passive phase shifter that is applied to electric tuning antenna of base station has two kinds of methods to realize, the one, the method for insertion medium in feeder line, in the process of electromagnetic transmission, the medium inserted can change the dielectric constant of transmission medium, thereby change electromagnetic wavelength, be equivalent to the variation of electromagnetic wave stroke, be i.e. the variation of current feed phase.This method realizes simple, but due to the introducing of medium, can cause changes in amplitude that feeder line is larger and larger insertion loss.The 2nd, change the length of feeder line, increase or reduce the length of feeder line, namely directly increase or reduce electromagnetic stroke, thereby reaching the variation of current feed phase.Use this phase-moving method, the feeder line changes in amplitude is little, insertion loss is little, but some implementation method can make the amount of phase shift nonlinear change, and structure realizes more complicated.
In summary, existing covert feeding network, obviously exist inconvenience and defect in actual use, so be necessary to be improved.
The utility model content
For above-mentioned defect, the purpose of this utility model is to provide a kind of feeding network that can be covert continuously, and it adopts and changes the principle that length of transmission line changes phase place, phase place can be changed continuously, its phase shift direction and transmission direction are consistent, simple in structure, and can guarantee that transmission is smooth and easy.
To achieve these goals, the utility model provides a kind of feeding network structure that can be covert continuously, comprises
Cavity;
For realizing the phase shifter that signal is covert, there is transmission line structure, described phase shifter is located in described cavity;
Feeding network, connect the transmission line structure of described phase shifter, is located in described cavity;
The cover plate coordinated with described cavity; And
Be connected with described phase shifter, and drive described phase shifter continuous moving to change the pull bar of described length of transmission line, described pull bar is located at described top surface.
According to feeding network structure that can be covert continuously of the present utility model, described feeding network has for the main feed port of welding cable and minute feedback port, described cavity has for welding the welding grain of described cable outer conductor, and described main feed port and minute feedback port weld the inner wire of described cable.
According to feeding network structure that can be covert continuously of the present utility model, described phase shifter comprises:
Fixed block, be fixed in described cavity, and described fixed block has the first gathering sill;
Slide block, have a moving part, and described moving part is limited in described the first gathering sill;
The first male part, be connected in described slide block, and with described slide block interlock;
Two the second male parts, be of coupled connections and form the transmission line of described phase shifter with described the first male part.
According to feeding network structure that can be covert continuously of the present utility model, described the first male part is " U " type metal cartridge structure, and described the second male part is the metal circular tube structure that is sheathed on described the first male part.
According to feeding network structure that can be covert continuously of the present utility model, described the second male part is copper pipe, and an end of described copper pipe offers half round cut, and described feeding network is by described half round cut and the welding of described copper pipe.
According to feeding network structure that can be covert continuously of the present utility model, offer the second gathering sill coordinated with described the first gathering sill on described cover plate, the opening of described the second gathering sill is slightly larger than the opening of described the first gathering sill.
According to feeding network structure that can be covert continuously of the present utility model, described feeding network is fixed in described cavity by a plastic mattress.
According to feeding network structure that can be covert continuously of the present utility model, the sidewall of described cavity is provided with earthing rod, and described cover plate is connected with described earthing rod by screw, and the height of described earthing rod is slightly larger than the sidewall height of described cavity.
According to feeding network structure that can be covert continuously of the present utility model, described pull bar is limited on described cover plate by plastic supporting pieces.
The utility model also provides a kind of antenna assembly of feeding network structure as mentioned above that comprises.
The utility model by arranging the phase shifter of quantity required in cavity body structure, and each phase shifter structure is identical, and has transmission line structure, and the transmission line structure that connects each phase shifter by feeding network is to realize the signal transmission.The cover plate with a cooperation that described cavity is corresponding, cover plate is provided with a pull bar, this pull bar is connected with each phase shifter, but and continuous moving within the specific limits, and drive also continuous moving of described phase shifter, change whereby its length of transmission line.The utility model changes by employing the principle that length of transmission line changes phase place, and phase place can be changed continuously, and its phase shift direction and transmission direction are consistent, simple in structure, and can guarantee that transmission is smooth and easy.
The accompanying drawing explanation
Figure 1A is the first schematic diagram of feeding network structure of the present utility model;
Figure 1B is the second schematic diagram of feeding network structure of the present utility model;
Fig. 2 A is the first structural representation of phase shifter of the present utility model;
Fig. 2 B is the second structural representation of phase shifter of the present utility model;
Fig. 3 is the element antenna battle array schematic layout pattern of application the utility model one embodiment;
Fig. 4 is the element antenna battle array schematic layout pattern of another embodiment of application the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to Figure 1A and Figure 1B, the utility model provides a kind of feeding network structure that can be covert continuously, and its application band scope is preferably 1700～2700MHz, concrete, and this feeding network structure comprises:
Further, feeding network 30 has for the main feed port 31 of welding cable and a plurality of minutes feedback ports 32～36, described cavity 10 has for welding the welding grain 11 of described cable outer conductor, the inner wire of described main feed port 31 and minute feedback port 32～36 welding cables.
The utility model provides a kind of antenna assembly that comprises above-mentioned feeding network structure, it has good intermodulation characteristic, larger amount of phase shift and less changes in amplitude, the elongated degree phase shifter 20 of amount of phase shift linear change, and the feeding network 30 of this phase shifter 20 of loading, the phase shift direction is consistent with transmission direction.
Again referring to the embodiment shown in Fig. 2 A and Fig. 2 B, phase shifter 20 structures that the utility model provides, in this embodiment, the part identical with previous embodiment repeats no more, and below only with regard to deviation, is illustrated.
Described phase shifter 20 comprises:
Fixed block 21, be fixed in described cavity 10, and described fixed block 21 comprises upper and lower two parts, and have the first gathering sill 211, and this first gathering sill 211 is elongated openings of being located at fixed block 21 tops.
The first male part 23, be connected in described slide block 22, and with described slide block 22 interlocks.Concrete, this first male part 23 is preferably U-shaped metal cartridge structure.
Two the second male parts 24, be of coupled connections and form the transmission line of described phase shifter 20 with described the first male part 23.This second male part 24 is for to be sheathed on the metal circular tube structure of described the first male part 23, and is preferably the copper coin pipe, the first male part 23 can with the second male part 24 relative slidings, whereby to change the length of transmission line.
Concrete, the middle part that also is provided with the second gathering sill 42, the first male parts 23 that coordinate with described the first gathering sill 211 on cover plate 40 is stuck in slide block 22, and insert respectively in two the second male parts 24 at the two ends of the first male part 23.Moving part 221 on slide block 22 is through the first gathering sill 211 on fixed block 21 and the second gathering sill 42 on cover plate 40, the opening of aperture efficiency first gathering sill 211 of the second gathering sill 42 is bigger, the scope that slide block 22 slides in fixed block 21 is limited by the first gathering sill 211, the slip of slide block 22 drives the first male part 23 (U-shaped rod) and moves in the second male part 24 (copper pipe), change the length of transmission line, thereby changed the stroke on feeding network 30 of signal transmission and to the phase place of each port.
The utility model adopts and changes the principle that length of transmission line changes phase place, and phase linearity changes; Adopt the pipe rod mode that is of coupled connections, make the coupling space strict guarantee, can expand frequency band, without non-linear electric connection point, there is good intermodulation characteristic; Adopt the medium compensation mode, make all strict guarantee 50 ohmages of every section transmission line, can realize larger amount of phase shift, preferably the amplitude smooth performance; Adopt unique network topology mode, make the overall network width very little, be convenient to antenna arrangement.
Fig. 3 applies the feeding network structure applications of the utility model one embodiment in the schematic layout pattern of antenna array, and this embodiment is the structure that comprises five antenna radiation units.The external main feeder cable of main feed port 3-1, minute feedback port 3-2,3-3,3-4,3-5,3-6 are connected with each unit of antenna respectively.Suppose that minute amount of phase shift of feedback port 3-4 is 0, the amount of phase shift of minute feedback port 3-3 is φ, and dividing the amount of phase shift of feedback port 3-2 is 2 φ, and the amount of phase shift of minute feedback port 3-5 is-φ that the amount of phase shift of minute feedback port 3-6 is-2 φ.Can obtain, the phase place of each radiating element of antenna is followed successively by 2 φ, φ, 0 ,-φ ,-2 φ.Therefore, in practical application, by amplitude, design, can obtain desirable directional diagram figuration.
Fig. 4 applies the feeding network structure applications of another embodiment of the utility model in the schematic layout pattern of antenna array, and this embodiment is the structure that comprises ten antenna radiation units.The external main feeder cable of main feed port 4-1, antenna radiation unit is connected in twos by power splitter, and the output port of power splitter is connected with minute feedback port 4-2,4-3,4-4,4-5, the 4-6 of phase-shift network again.Suppose that minute amount of phase shift of feedback port 4-4 is 0, the amount of phase shift of minute feedback port 4-3 is φ, and dividing the amount of phase shift of feedback port 4-2 is 2 φ, and the amount of phase shift of minute feedback port 4-5 is-φ that the amount of phase shift of minute feedback port 4-6 is-2 φ.Can obtain, the phase place of each radiating element of antenna is followed successively by 2 φ, 2 φ, φ, φ, 0,0 ,-φ ,-φ ,-2 φ ,-2 φ.Therefore, design by amplitude in practical application and the technological means such as rational phase place is preset, can obtain comparatively desirable directional diagram figuration.
In sum, the utility model by arranging the phase shifter of quantity required in cavity body structure, and each phase shifter structure is identical, and has transmission line structure, and the transmission line structure that connects each phase shifter by feeding network is to realize the signal transmission.The cover plate with a cooperation that described cavity is corresponding, cover plate is provided with a pull bar, this pull bar is connected with each phase shifter, but and continuous moving within the specific limits, and drive also continuous moving of described phase shifter, change whereby its length of transmission line.The utility model changes by employing the principle that length of transmission line changes phase place, and phase place can be changed continuously, and its phase shift direction and transmission direction are consistent, simple in structure, and can guarantee that transmission is smooth and easy.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
- One kind can be covert continuously the feeding network structure, it is characterized in that, compriseCavity;For realizing the phase shifter that signal is covert, there is transmission line structure, described phase shifter is located in described cavity;Feeding network, connect the transmission line structure of described phase shifter, is located in described cavity;The cover plate coordinated with described cavity; AndBe connected with described phase shifter, and drive described phase shifter continuous moving to change the pull bar of described length of transmission line, described pull bar is located at described lid surface.
- 2. feeding network structure that can be covert continuously according to claim 1, it is characterized in that, described feeding network has for the main feed port of welding cable and minute feedback port, described cavity has for welding the welding grain of described cable outer conductor, and described main feed port and minute feedback port weld the inner wire of described cable.
- 3. feeding network structure that can be covert continuously according to claim 1, is characterized in that, described phase shifter comprises:Fixed block, be fixed in described cavity, and described fixed block has the first gathering sill;Slide block, have a moving part, and described moving part is limited in described the first gathering sill;The first male part, be connected in described slide block, and with described slide block interlock;Two the second male parts, be of coupled connections and form the transmission line of described phase shifter with described the first male part.
- 4. feeding network structure that can be covert continuously according to claim 3, is characterized in that, described the first male part is " U " type metal cartridge structure, and described the second male part is the metal circular tube structure that is sheathed on described the first male part.
- 5. feeding network structure that can be covert continuously according to claim 4, is characterized in that, described the second male part is copper pipe, and an end of described copper pipe offers half round cut, and described feeding network is by described half round cut and the welding of described copper pipe.
- 6. feeding network structure that can be covert continuously according to claim 3, is characterized in that, offers the second gathering sill coordinated with described the first gathering sill on described cover plate, and the opening of described the second gathering sill is slightly larger than the opening of described the first gathering sill.
- 7. feeding network structure that can be covert continuously according to claim 1, is characterized in that, described feeding network is fixed in described cavity by a plastic mattress.
- 8. feeding network structure that can be covert continuously according to claim 1, it is characterized in that, the sidewall of described cavity is provided with earthing rod, and described cover plate is connected with described earthing rod by screw, and the height of described earthing rod is slightly larger than the sidewall height of described cavity.
- 9. feeding network structure that can be covert continuously according to claim 1, is characterized in that, described pull bar is limited on described cover plate by plastic supporting pieces.
- 10. one kind comprises the antenna assembly as feeding network structure as described in claim 1～9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320071269XU CN203326112U (en) | 2013-02-07 | 2013-02-07 | Feed network capable of realizing continuous phase change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320071269XU CN203326112U (en) | 2013-02-07 | 2013-02-07 | Feed network capable of realizing continuous phase change |
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| Publication Number | Publication Date |
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| CN203326112U true CN203326112U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320071269XU Expired - Fee Related CN203326112U (en) | 2013-02-07 | 2013-02-07 | Feed network capable of realizing continuous phase change |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996896A (en) * | 2014-05-16 | 2014-08-20 | 深圳国人通信股份有限公司 | Power divider |
| CN104577337A (en) * | 2014-12-19 | 2015-04-29 | 国家广播电影电视总局广播科学研究院 | Beam shaping device for radio and television digital antenna |
| CN113013590A (en) * | 2017-12-11 | 2021-06-22 | 华为技术有限公司 | Feed equipment, antenna and electronic equipment |
| CN114976625A (en) * | 2022-04-29 | 2022-08-30 | 摩比天线技术（深圳）有限公司 | Feed network device and feed network system |
-
2013
- 2013-02-07 CN CN201320071269XU patent/CN203326112U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996896A (en) * | 2014-05-16 | 2014-08-20 | 深圳国人通信股份有限公司 | Power divider |
| CN103996896B (en) * | 2014-05-16 | 2016-07-06 | 深圳国人通信股份有限公司 | Power splitter |
| CN104577337A (en) * | 2014-12-19 | 2015-04-29 | 国家广播电影电视总局广播科学研究院 | Beam shaping device for radio and television digital antenna |
| CN104577337B (en) * | 2014-12-19 | 2018-02-13 | 国家广播电影电视总局广播科学研究院 | Broadcasting and TV digital antenna wave beam inborn nature device |
| CN113013590A (en) * | 2017-12-11 | 2021-06-22 | 华为技术有限公司 | Feed equipment, antenna and electronic equipment |
| CN113013590B (en) * | 2017-12-11 | 2024-04-09 | 华为技术有限公司 | Feeding device, antenna and electronic equipment |
| CN114976625A (en) * | 2022-04-29 | 2022-08-30 | 摩比天线技术（深圳）有限公司 | Feed network device and feed network system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20220207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |