CN207052766U - A kind of detection means and its antenna of antenna feed position - Google Patents
A kind of detection means and its antenna of antenna feed position Download PDFInfo
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- CN207052766U CN207052766U CN201720844570.8U CN201720844570U CN207052766U CN 207052766 U CN207052766 U CN 207052766U CN 201720844570 U CN201720844570 U CN 201720844570U CN 207052766 U CN207052766 U CN 207052766U
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of detection means and its antenna of antenna feed position, wherein detection means includes support, at least two speculums and at least two parallel projection light sources on support, and each parallel projection light source matches a speculum；Axis direction of all parallel projection light sources along the parabolic reflector parallel to antenna is projected towards parabolic reflector, and launching position is formed in parabolic reflector, and speculum is located at launching position of the parallel projection light source to match on parabola；The light of all parallel projection light source projects reflects in speculum, and forms a light collection point, and light collection point is the focus of parabolic reflector, and the focus of parabolic reflector is the optimum position of antenna feed position.The utility model realizes the optimum position that focus detection, i.e. antenna feed are carried out to antenna by above-mentioned detection device, so that user adjusts current feed location to improve received antenna signal effect.
Description
Technical field
The utility model belongs to antenna equipment field, more particularly to a kind of detection means and its day of antenna feed position
Line.
Background technology
Parabolic reflector reception antenna is a kind of common satellite earth antenna, and its principle is to pass through parabolic reflector
Faint satellite-signal is converged into feed, electrical signal of reaction is produced in feed so as to realize the reception of data.To make satellite
Reception antenna reaches best reception, and the feed of antenna need to be located to the focal point of antenna parabolic reflector.Although
During Antenna Design, the focal position of antenna parabolic reflector can be accurately calculated by mathematical method, but in antenna
In actual manufacturing process, error be present；In transport, installation process in antenna, each part easily produces deformation.In links
Add up error, cause the feed physical location of last mounted antenna and the focus theoretical position of parabolic reflector to produce
Relatively large deviation, the reception of antenna is seriously reduced, however, at present to the feed optimum bit of mounted satellite earth antenna
Put the detection means and method for the science of lacking.
Utility model content
The utility model provides a kind of detection means and its antenna of antenna feed position, it is possible to achieve is defended to mounted
The parabolic reflector of star reception antenna carries out focus detection, and then obtains the optimum position of antenna feed position, for user
Current feed location is adjusted, improves received antenna signal effect.
On the one hand, the utility model provides a kind of detection means of antenna feed position, and the detection means includes：Branch
Frame, at least two speculums and at least two parallel projection light sources on support, each parallel projection light source matching one
Individual speculum；
Axis direction of all parallel projection light sources along the parabolic reflector parallel to antenna is towards parabolic reflector
Projection, and launching position is formed in parabolic reflector, it is anti-in parabola that speculum is located at the parallel projection light source to match
The launching position penetrated on face；
The light of all parallel projection light source projects reflects in speculum, and forms a light collection point, light
Convergent point is the focus of parabolic reflector, and the focus of parabolic reflector is the optimum position of antenna feed position.
Preferably, support is the stretching structure of dimension adjustable.
The dimension adjustable of support may be such that the detection means is applied to the antenna of mounted needles of various sizes size.
Preferably, support includes montant and cross bar, and for montant on the axis of parabolic reflector, cross bar is connected to montant
Upper one end away from parabolic reflector, parallel projection light source are fixed on cross bar, and montant and cross bar are stretching for adjustable in length
Contracting bar or threaded rod.
Preferably, parallel projection light source is laser pen, and laser pen is fixed on cross bar, and the pen body of laser pen is parallel with montant
To ensure that the laser beam of laser pen is parallel with montant.
Concentration class based on laser is high, good positioning effect, detection can be improved as parallel projection light source using laser
Accuracy, while by the pen body of laser pen and montant keeping parallelism, can further make laser and the axis of parabolic reflector
It is parallel.
Preferably, two cross bars are included using 4 laser pens, support, 4 laser pens are respectively arranged on the two of two cross bars
End, 4 laser pens are distributed along montant distribution in a center of symmetry, two-by-two laser pen centered on montant into 90 degree.
4 laser pens are set in the detection means, promote to be able to detect that the laser reflected back from 4 different directions
Convergence situation, improve the degree of accuracy of focus detection.
Preferably, montant bottom is provided with sucker, and sucker suction fixes montant in the bottom center of parabolic reflector
On the axis of parabolic reflector.
Preferably, the end of cross bar is provided with turning.
Turning is set to prevent interference of the detection means to reflection laser.
Preferably, the size of speculum is 1cm × 1cm.
On the other hand, the utility model additionally provides a kind of antenna, and the antenna includes：Feed strut and above-mentioned detection
Device；Feed strut one end is located at antenna feed position.
Preferably, feed strut includes the first bar, the second bar and the screw rod between the first bar and the second bar, screw rod
It is connected by the first threaded tubular interface with the first bar；Screw rod is connected by the second threaded tubular interface with the second bar.
The above-mentioned precision regulation that can be realized to feed strut.
Beneficial effect：
The detection means of a kind of antenna feed position provided by the utility model, by the parallel projection for setting at least two
Light source, and make parallel projection light source in a manner of being projected parallel to the axial direction of the parabolic reflector of antenna towards reflecting surface,
And then obtained the focus of antenna reflective face so that user can by adjust feed strut by antenna feed position adjustments to
In the focus of the antenna reflective face, the receptivity of aerial signal is improved.
The utility model additionally provides a kind of antenna, and the parabola of antenna can be directly detected by above-mentioned detection device
The focal position of reflecting surface, so that when being corrected to feed location, it is not necessary to dismantle antenna and can detect that feed position
The focal position of the optimum position put, i.e. parabolic reflector, while can be achieved current feed by adjusting feed strut
Position adjustments are to optimal feed location, it is not necessary to which antenna structure is significantly adjusted.
Brief description of the drawings
Fig. 1 is the schematic diagram for the antenna structure that the utility model embodiment provides；
Fig. 2 is the structural representation for the detection means that the utility model embodiment provides；
Fig. 3 is the structural representation for the feed strut that the utility model embodiment provides；
Fig. 4 is the schematic flow sheet for the antenna feed method for correcting position that the utility model embodiment provides.
Wherein, description of reference numerals is as follows：
1 detection means, 2 feed struts, 3 reflectings surface, 5 light collection points, 11 supports, 12 parabolic mirrors, 13 laser
Pen, 111 montants, 112 cross bars, 14 suckers, 21 first bars, 22 second bars, 23 screw rods, 24 first threaded tubular interfaces, 25 second
Threaded tubular interface.
Embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, a kind of antenna of the utility model embodiment offer, antenna includes the detection means of antenna feed position
1st, feed strut 2 and parabolic reflector 3.Wherein, antenna feed position is fixed in the one end of feed strut 2.
Referring to Fig. 1 and Fig. 2, detection means 1 include support 11, at least two speculums 12 and on support 11 extremely
Few two parallel projection light sources.
Wherein, each parallel projection light source matches a speculum 12, and all parallel projection light sources are along parallel to parabolic
The axis direction of face reflecting surface 3 is projected towards parabolic reflector 3, and launching position, speculum are formed in parabolic reflector 3
12 launching position positioned at the parallel projection light source to match in parabolic reflector 3.
The size of preferred mirror 12 is 1cm × 1cm so that the light of parallel projection light source can be sent out on speculum 12
Raw reflection.Parabolic reflector 3 based on antenna has microwave reflection function, but does not have light reflection function, sets reflection
Mirror 12 can effectively realize the light reflection of parallel projection light source.
The light of all parallel projection light source projects reflects in speculum 12, and forms a light collection point 5, light
Congruence accumulation 5 is the focus of parabolic reflector 3, and the focus of parabolic reflector 3 is the optimum position of antenna feed position.
After getting the optimum position, user can adjust feed strut 2 and by antenna feed position adjustments to the parabolic
The focal point of face reflecting surface 3, the signal receiving performance of antenna is improved with this.
The characteristics of concentration class is high, good positioning effect, is had based on laser, preferably parallel projection light source is lasing light emitter, Jin Erke
To improve the degree of accuracy of testing result, and preferably lasing light emitter is laser pen 13.
Continuing with referring to Fig. 1 and Fig. 2, preferably support 11 is the stretching structure of dimension adjustable in the present embodiment, specifically,
Support 11 includes montant 111 and cross bar 112, and for montant 111 on the axis of parabolic reflector 3, cross bar 112 is connected to montant
One end away from parabolic reflector 3 on 111, and cross bar 112 is orthogonal with montant 111, parallel projection light source is fixed on cross bar 112
On, wherein, montant 111 and cross bar 112 are the expansion link or threaded rod of adjustable in length.When parallel projection light source is laser pen
When 13, laser pen 13 is fixed on the end of cross bar 112, and the pen body of laser pen 13 is parallel with montant 111 to ensure laser pen 13
Laser beam is parallel with montant 111, and then ensures laser beam and the diameter parallel of parabolic reflector 3.
In other feasible embodiments, support can be other kinds of stretching structure, such as support includes adjustable length
The montant of section and the collapsible roller shutter being staggered to form by some quarter butts.
Referring to Fig. 2, preferably support 11 includes two cross bars 112, and two cross bars 112 are interlaced to be fixed on montant 111,
Parallel projection light source is laser pen 13, and is respectively arranged on the two of two cross bars 112 using 4 laser pens, 13,4 laser pens 13
End, 4 laser pens 13 around 111 distribution in a center of symmetry of montant, two-by-two laser pen 13 centered on montant 111 into 90 degree points
Cloth.
It should be appreciated that setting 4 laser pens 13, the convergence for the laser that 4 different directions reflect back can be detected
Situation, and then improve the degree of accuracy of focus detection.In other feasible embodiments, the laser pen of more than 4 can also be set
13, the utility model is limited without specific this.
Referring to Fig. 2, the preferably end of cross bar 112 is provided with turning, sets turning so that after the reflection of speculum 12
Reflected light prevents cross bar 112 the accurate of testing result is influenceed on the disturbed condition of reflected light without cross bar 112
Degree.
Such as when the structure of support 11 is as shown in 2, preferably each turning is identical compared to the yawing moment of cross bar, turns
The size at angle is identical.
Referring to Fig. 2, preferred detecting unit 1 also includes the sucker 14 for being arranged at the bottom of montant 111, and sucker 14 is adsorbed in parabolic
The bottom center of face reflecting surface 3 and montant 111 is fixed on the axis of parabolic reflector 3.
In other feasible embodiments, it can use other dismountable fixed forms that montant 111 is fixed on into parabola
On the axis of reflecting surface 3, such as it is threadedly coupled, snaps connection.
3 are please see Figure, is a kind of structure for feed strut that utility model embodiment provides.As illustrated, feed strut 2 wraps
Include the first bar 21, the second bar 22 and the screw rod 23 between the first bar 21 and the second bar 22, screw rod 23 and pass through the first screw thread
Tube-like interface 24 is connected with the first bar 21；Screw rod 23 is connected by the second threaded tubular interface 25 with the second bar 22.
Specifically, the length of regulation feed strut 2 is realized by adjusting screw rod 23.It should be noted that feed strut 2
One end be used for support feed, the other end is fixed in the parabolic reflector 3 of antenna, and preferably feed strut 2 and parabola is anti-
The angle adjustable penetrated between face 3.
In other feasible embodiments, feed strut 2 is made of elastic deformation material, and user can be directly by breaking
Dynamic feed strut 2, which is realized, corrects the feed location of antenna feed to the focus of parabolic reflector 3.
It should be noted that preferred antenna includes at least two feed struts, two feed strut one end in the present embodiment
Intersect and be located at antenna feed position, while further preferably detection means is located at below feed strut, i.e., positioned at feed strut and instead
Penetrate between face.
It should also be noted that, detection means provided by the utility model can be used as autonomous device, it is all kinds of for detecting
The optimum position of the feed of size antenna, the part for being also used as antenna are used for the optimum position for detecting the feed of antenna.
Referring to Fig. 4, based on the detection means in above-mentioned antenna and antenna, the utility model provides a kind of antenna feed position
Bearing calibration is put, bearing calibration is as follows：
Step 1：Detection means is fixed in the parabolic reflector of antenna, montant is located at the parabolic reflector of antenna
On the axis in face.
Specifically, fix montant according to sucker structure, then will by the bottom center in sucker suction reflecting surface
Montant is fixed on the axis of parabolic reflector.
Step 2：Adjust the length of montant and cross bar.
The length of regulation montant and cross bar can provide more operating spaces for user installation or dismounting detection means.
Step 3：Laser pen is installed on cross bar, makes laser pen and montant keeping parallelism, and opens all laser pens, it is ensured that
Laser beam projects with montant keeping parallelism and towards parabolic reflector.
Specifically, it is preferred that fixed in the end of cross bar installation laser pen, such as by clip.
Step 4：Speculum is attached to the launching position that the laser of the laser pen to match is formed in parabolic reflector.
Step 5：The light collection point of reflection laser is detected, light collection point is the focus of parabolic reflector；
Step 6：Regulation feed strut makes feed location be located at light collection point.
Specifically, if feed strut is screw connecting structure as shown in Figure 3, adjusting screw rod adjusts feed support to realize
The length of bar, and then feed location is adjusted to light collection point；If feed strut uses elastic deformable material, can move
Feed strut brings it about deformation, and then feed location is adjusted to light collection point.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understands, it can be permitted in the utility model claims limited range
More modifications, but fall within the scope of protection of the utility model.
Claims (10)
1. a kind of detection means of antenna feed position, it is characterised in that the detection means includes support, at least two reflections
Mirror and at least two parallel projection light sources on the support, each parallel projection light source matching one are described anti-
Penetrate mirror；
Axis direction of all parallel projection light sources along the parabolic reflector parallel to antenna is towards the parabolic reflector
Projection, and launching position is formed in the parabolic reflector, speculum is located at the parallel projection light source to match in parabolic
Launching position on the reflecting surface of face；
The light of all parallel projection light source projects reflects in speculum, and forms a light collection point, the light
Convergent point is the focus of the parabolic reflector, and the focus of the parabolic reflector is the optimal of the antenna feed position
Position.
2. detection means according to claim 1, it is characterised in that the support is the stretching structure of dimension adjustable.
3. detection means according to claim 2, it is characterised in that the support includes montant and cross bar, the montant
On the axis of the parabolic reflector, the cross bar is connected to one away from the parabolic reflector on the montant
End, the parallel projection light source are fixed on the cross bar；
The montant and the cross bar are the expansion link or threaded rod of adjustable in length.
4. detection means according to claim 3, it is characterised in that the parallel projection light source is laser pen；
The laser pen is fixed on the cross bar, and the pen body of the laser pen is parallel with the montant.
5. detection means according to claim 4, it is characterised in that using 4 laser pens, the support includes two
The individual cross bar, 4 laser pens are respectively arranged on the both ends of described two cross bars, and 4 laser pens are along the montant in
The heart is symmetrical, and the laser pen is distributed centered on the montant into 90 degree two-by-two.
6. detection means according to claim 3, it is characterised in that the montant bottom is provided with sucker, and the sucker is inhaled
Invest the bottom center of the parabolic reflector and the montant is fixed on the axis of the parabolic reflector.
7. detection means according to claim 3, the end of the cross bar is provided with turning.
8. detection means according to claim 1, the size of the speculum is 1cm × 1cm.
9. a kind of antenna, it is characterised in that the antenna includes feed strut and any described inspections of the claims 1-8
Survey device；
Described feed strut one end is located at antenna feed position.
10. antenna according to claim 9, it is characterised in that the feed strut includes the first bar, the second bar and position
Screw rod between first bar and the second bar, the screw rod are connected by the first threaded tubular interface with first bar；
The screw rod is connected by the second threaded tubular interface with second bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844570.8U CN207052766U (en) | 2017-07-12 | 2017-07-12 | A kind of detection means and its antenna of antenna feed position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844570.8U CN207052766U (en) | 2017-07-12 | 2017-07-12 | A kind of detection means and its antenna of antenna feed position |
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| Publication Number | Publication Date |
|---|---|
| CN207052766U true CN207052766U (en) | 2018-02-27 |
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| CN201720844570.8U Active CN207052766U (en) | 2017-07-12 | 2017-07-12 | A kind of detection means and its antenna of antenna feed position |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221758A (en) * | 2017-07-12 | 2017-09-29 | 国网湖南省电力公司 | A kind of detection means of antenna feed position, antenna and feed location bearing calibration |
| CN114993243A (en) * | 2022-08-04 | 2022-09-02 | 深圳粤讯通信科技有限公司 | Antenna attitude monitoring and early warning system based on Internet of things |
-
2017
- 2017-07-12 CN CN201720844570.8U patent/CN207052766U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221758A (en) * | 2017-07-12 | 2017-09-29 | 国网湖南省电力公司 | A kind of detection means of antenna feed position, antenna and feed location bearing calibration |
| CN107221758B (en) * | 2017-07-12 | 2024-03-08 | 国网湖南省电力公司 | Detection device for antenna feed source position, antenna and feed source position correction method |
| CN114993243A (en) * | 2022-08-04 | 2022-09-02 | 深圳粤讯通信科技有限公司 | Antenna attitude monitoring and early warning system based on Internet of things |
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