阅读说明：本技术 天线及其制造方法 (Antenna and its manufacturing method ) 是由 A·W·马斯特 G·M·珍德兹欧 C·F·达尔 K·M·皮布尔斯 于 2019-05-07 设计创作，主要内容包括：本申请涉及一种天线及其制造方法。所述天线可以包括底座、连接到所述底座的万向支架,以及连接到所述底座并且其中具有第一引导槽的第一引导体。所述天线可以包括第二引导体,所述第二引导体相对于底座可旋转地连接,并且其中具有第二引导槽,从而相对于所述第一引导槽限定可转向交叉位置。所述天线还可以具有连接到所述万向支架并延伸通过所述可转向交叉位置的天线构件,以及配置成选择性地旋转所述第二引导体以使所述天线构件转向的致动器。(This application involves a kind of antenna and its manufacturing methods.The antenna may include pedestal, be connected to the gimbals of the pedestal, and is connected to the pedestal and wherein has the first guide body of the first guiding groove.The antenna may include the second guide body, and second guide body is rotatably attached relative to pedestal, and wherein have the second guiding groove, to can turn to crossover location relative to first guiding groove restriction.The antenna can also have be connected to the gimbals and extend through it is described can turn to the antenna member of crossover location, and be configured to selectively rotate second guide body so that the actuator that the antenna member turns to.)

1. a kind of antenna, comprising:

Pedestal；

It is connected to the gimbals of the pedestal；

First guide body is connected to the pedestal, and wherein has the first guiding groove；

Second guide body is rotatably attached relative to the pedestal, and wherein has the second guiding groove, thus relative to The first guiding groove restriction can turn to crossover location；

Antenna member, being connected to the gimbals and extending through described can turn to crossover location；And

Actuator is configured to selectively rotate second guide body so that the antenna member turns to.

2. antenna according to claim 1, wherein first guide body has domed shape.

3. antenna according to claim 1, wherein first guiding groove, one in C-shaped shape with spiral shape Kind.

4. antenna according to claim 1, wherein second guide body has elongated curved shape.

5. antenna according to claim 1, wherein second guiding groove has elongated shape.

6. antenna according to claim 1 further includes the drive being connected between second guide body and the actuator Moving gear.

7. antenna according to claim 6, wherein second guide body has the band tooth by the sliding tooth wheel drive Take turns periphery.

8. a kind of method for manufacturing antenna, which comprises

Gimbals are connected to pedestal；

First guide body is connected to the pedestal, there is the first guiding groove in first guide body；

It is rotatably attached the second guide body relative to the pedestal, there is the second guiding groove in second guide body, thus Crossover location can be turned to relative to first guiding groove restriction；

So that antenna member is connected to the gimbals and is extended through described can turn to crossover location；And

Actuator is connected selectively to rotate second guide body so that the antenna member turns to.

9. according to the method described in claim 8, wherein first guide body has domed shape.

10. according to the method described in claim 8, wherein first guiding groove is with spiral shape and C-shaped shape in one Kind.

Technical field

The present invention relates to field of radio frequency, more specifically to the radio-frequency antenna and correlation technique positioned by motor.

Background technique

Wireless communication device is the indispensable a part of society, and has been penetrated into daily life.It is typical wireless Communication device includes antenna and the transceiver for being connected to antenna.Transceiver and antenna cooperative are to send and receive signal of communication.

In some applications, antenna is orientation.In other words, the incidence angle depending on reception signal, the aiming of antenna Angle influences to receive the quality of signal.For example, common pay TV home satellite antenna is precisely aligned and is aimed to ensure from ground Ball geosynchronous satellite receives signal.In family's satellite application, signal source be it is stationary, satellite antenna need to only be taken aim at manually It is quasi- primary.

In other applications, signal source may not be static, and may need to be frequently executed antenna aiming.At this In a little applications, antenna can have electric steering mechanism, i.e. antenna positioning mechanism.In usual way, since antenna is necessary At least two axis are aimed at, therefore antenna system will include the multiple motors for being used to drive steering, for example, coming from New Jersey In not Splane this Honeywell Int Inc (Honeywell International Inc.) air to surface subsystem (SGS) universal joint satellite sighting device.

Summary of the invention

Generally, antenna may include pedestal, the gimbals for being connected to pedestal, be connected to pedestal and wherein has the The first guide body and the second guide body of one guiding groove, second guide body are rotatably attached relative to pedestal, and Wherein there is the second guiding groove, so that crossover location can be turned to relative to the restriction of the first guiding groove.Antenna can include: antenna structure Part, crossover location can be turned to by being connected to gimbals and extending through；And actuator, it is configured to selectively rotate Two guide bodies are so that antenna member turns to.

More specifically, the first guide body can have domed shape.First guiding groove can have spiral-shaped and C-shaped One of shape.Second guide body can have elongated curved shape.Second guiding groove can have elongated shape.

In some embodiments, antenna further includes the driving gear being connected between the second guide body and actuator.Second Guide body can have the band outer peripheral gear by sliding tooth wheel drive.For example, antenna member may include electromagnetic horn.Actuator can Including single motor.

On the other hand it is related to a kind of method for manufacturing antenna.This method may include: that gimbals are connected to bottom Seat；First guide body is connected to pedestal, there is the first guiding groove in the first guide body；And rotatably connect relative to pedestal Connect the second guide body.There can be the second guiding groove in second guide body, so that intersection can be turned to relative to the restriction of the first guiding groove Position.This method may include making antenna member be connected to gimbals and extend through to turn to crossover location, and connect Actuator is selectively to rotate the second guide body so that antenna member turns to.

Detailed description of the invention

Fig. 1 is the schematic diagram according to the communication system including antenna of the disclosure.

Fig. 2 is the perspective schematic view of the communication system of Fig. 1.

Fig. 3 is the schematic side elevation of the antenna of the communication system from Fig. 1.

Fig. 4 is the schematic rear view of the antenna of the communication system from Fig. 1.

Fig. 5 is the antenna of the communication system from Fig. 1 along the schematic cross sectional views of line 4-4.

Fig. 6 is the schematic rear view of another embodiment of the antenna of the communication system from Fig. 1.

Fig. 7 is the schematic rear view of the first guide body of the antenna from Fig. 6.

Specific embodiment

The disclosure will be described more fully hereinafter with reference to the accompanying drawings now, shown in the drawings of several implementations of the disclosure Example.However, the disclosure can be embodied in many different forms, and it should not be construed as being limited to implementation described herein Example.On the contrary, thesing embodiments are provided so that the disclosure is detailed and complete, and the scope of the present disclosure is completely communicated to Those skilled in the art.Similar elements are referred to through attached drawing same numbers, and prime number is similar to indicate in different embodiments Element.

Referring to figs. 1 to 5, the communication system 10 according to the disclosure will now be described.For example, communication system 10 illustratively includes Satellite is to satellite communication system.Certainly, communication system 10 can be used for other application, for example, to defending using and ground-to-ground answer With.

12 transceiver of radio frequency (RF) and controller 13 for illustratively including antenna 11, being connected to antenna, the control Device 13 is connected to RF transceiver and is configured to generate the RF signal to be sent and handles received RF signal.Antenna 11 is illustrative Ground includes pedestal 14, the gimbals 15 for being connected to pedestal, and is connected to pedestal and wherein has the first guiding groove 17 First guide body 16.As best seen in fig. 4, antenna 11 illustratively includes the second guide body 18, and the second guide body 18 is opposite It is rotatably attached in pedestal 14, and wherein there is the second guiding groove 19, to can turn relative to the restriction of the first guiding groove 17 To crossover location 30 (Fig. 4).

In some embodiments, pedestal 14 and the first guide body 16 can be integrally-formed as single-piece.In other embodiments In, pedestal 14 and the first guide body 16 can be modular independent part.

Antenna 11, which illustratively includes, to be connected to gimbals 15 and extends through the antenna member that can turn to crossover location 20, and be connected to controller 13 and be configured to selectively rotate the second guide body 18 so that the actuating that antenna member turns to Device 21.It should be understood that the working frequency of antenna 11 is according to the big of antenna member 20 and the first guide body 16 and the second guide body 18 It is small and change.

First guide body 16 and the second guide body 18 may include dielectric material, such as polymer plastic.In order to manufacture, first Guide body 16 and the second guide body 18, these components can be 3D printing.In some embodiments, the first guide body 16 and Two guide bodies 18 may include metal material.In these embodiments, the first guide body 16 and the second guide body 18 can be routinely square Formula manufacture, such as by casting or be machined, or pass through increasing material manufacturing method, such as metal 3D printing installation method.

In the illustrated embodiment, the first guide body 16 can have domed shape or semi-spherical shape.First guiding groove 17 It illustratively includes spiral-shaped.(Fig. 6 to 7) in other embodiments, the first guiding groove 17 can have elongated C-shaped shape Shape, by the scan volume of covering setting.Second guide body 18 also illustratively has elongated curved shape.Second guiding groove 19 illustratively have elongated shape.

In the illustrated embodiment, antenna 11 further includes the drive shaft 28 driven by actuator 21, and passes through driving Driving gear 22 of the axis connection between the second guide body 18 and actuator 21.Second guide body 18 is illustratively included by driving The band outer peripheral gear 23 that gear 22 drives, and the elongated wiper member 29 extended between the opposite side with outer peripheral gear.

Gimbals 15 are illustratively included to be pivotally connected for gimbals to be connected to the first of the first guide body 16 24a and second is pivotally connected 24b.Gimbals 15 are illustratively included for gimbals to be connected to the of antenna member 20 Three, which are pivotally connected 25a and the 4th, is pivotally connected 25b.It should be understood that gimbals 15 provide free movement along two axis.

It for example, antenna member 20 illustratively includes electromagnetic horn, and may include 10 degree to 30 degree of beam angle. Advantageously, because electromagnetic horn is with high orientation performance characteristic the high-gain of low beam angle (i.e. with), therefore antenna 11 Any direction needed for antenna member 20 can be made to be directed toward reception expectation RF signal.Certainly, electromagnetic horn is only example antenna class Type, and other antenna types can be used.As it will appreciated by a person of ordinary skill, antenna member 20 can also include parabolic Face reflector, gap waveguide array, plate phased array or any other type antenna element.

Moreover, in order to ensure being completely covered, when antenna member 20 has reduced beam angle, it may be necessary to reduce the Interval in the spiral path of one guiding groove 17.Certainly, when antenna member 20 has increased beam angle, the first guiding groove Interval in 17 spiral path can increase, this allows antenna member to be faster directed toward.

Antenna member 20 illustratively includes waveguide 26, and it is opposite with waveguide and by can turn to crossover location insertion Guide rod 27.It should be appreciated that guide rod 27 may include the rigid RF cable feeding means for antenna member 20.In other embodiments In, guide rod 27 can partly limit waveguide 26, so that opposite direction emits signal along longitudinal direction.In some embodiments, it activates Device 21 includes a motor/single actuator for being configured to move antenna member in spiral track path. That is second guiding groove 19 keeps guide rod 27 mobile by the first guiding groove 17, this makes wave when the rotation of the second guide body 18 It is directed in opposite directions that spiral movement was connected.Due to spiral track path, antenna 11 may be unsuitable for following the mobile source RF.

Controller 13 is configured to based on coding relevant to actuator 21 come phantom-target antenna component 20.In some embodiments In, actuator 21 include stepper motor, and controller be arranged so that it is multiple in the spiral path of the first guiding groove 17 27 position of guide rod multiple step pitches corresponding with from stepper motor are equal.

On the other hand it is related to a kind of method for manufacturing antenna 11.This method comprises: gimbals 15 are connected to bottom Seat 14；First guide body 16 is connected to pedestal, there is the first guiding groove 17 in the first guide body；And it can be revolved relative to pedestal Turn the second guide body 18 of ground connection.It include the second guiding groove 19 in second guide body, to be limited relative to the first guiding groove 17 Crossover location 30 can be turned to.This method includes making antenna member 20 be connected to gimbals 15 and extend through to turn to intersect position 30 are set, and connects actuator 21 selectively to rotate the second guide body 18 so that antenna member turns to.Referring additionally now to Fig. 6 to 7 describes another embodiment of antenna 11'.In this embodiment of antenna 11', discussed referring to figs. 1 to 5 above Those of element add apostrophe, and most of do not need in addition to discuss herein.The present embodiment it is different from previous embodiment it Being in has the first guide body 16' with the first guiding groove of C-shaped 17' in antenna 11'.This embodiment of antenna 11', which has, to be set Fixed scan volume, the scan volume depend on the beam angle (Fig. 1 to 5) of antenna member 20 and the arm of the first guiding groove 17' Between interval.

Advantageously, single motor actuator can be used in antenna 11 rather than more motor methods of existing method are in entire side Directionally phantom-target antenna component 20 in parallactic angle and elevation coverage.It is this be reduced to single motor and be conducive to wherein space and weight have The orbiter platform of limit.In fact, antenna 11 can be used for cost more lower than existing method and lower complexity machinery Ground directional antenna.In addition, the band outer peripheral gear 23 of the second guide body 18 is driven by adding additional actuator, it can be in day It is easier to realize redundancy measurement in line 11.

Lesser encapsulation volume allows the antenna 11 for cost and/or oversized place for existing method (such as moonlet).Moreover, the antenna 11 is for new space small satellite constellation (that is, friendship can be realized between orbiter Connection) it is advantageous.The steady and lower satellite of cost may be implemented to satellite communication in antenna 11, and can be in moonlet volume Encapsulation, provides high data rate link solution directive antenna low with broad beam in limitation, and realizes and be possibly used for The Ground Application of the very low cost antenna direction mechanism of ICBM SHF satellite terminal, such as satellite family pay TV terminal user's antenna refer to To.

In the case where benefiting from the teachings presented in foregoing description and associated drawings, the technology of fields Personnel are contemplated that many modifications and other embodiments of the disclosure.It is therefore to be understood that the present disclosure is not limited to disclosed specific Embodiment, and other modifications and embodiment are intended to encompass within the scope of the appended claims.