CN2678153Y - Parabolic antenna regulator - Google Patents
Parabolic antenna regulator Download PDFInfo
- Publication number
- CN2678153Y CN2678153Y CN 200320128539 CN200320128539U CN2678153Y CN 2678153 Y CN2678153 Y CN 2678153Y CN 200320128539 CN200320128539 CN 200320128539 CN 200320128539 U CN200320128539 U CN 200320128539U CN 2678153 Y CN2678153 Y CN 2678153Y
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- CN
- China
- Prior art keywords
- parabolic antenna
- rotating shaft
- gear train
- worm
- gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a parabolic antenna regulator, comprising a first cluster gear, a second cluster gear and a third cluster gear. The first cluster gear comprises a first rotating shaft which can adjust the parabolic angle of the parabolic antenna; the second cluster gear comprises a second rotating shaft which can adjust the elevation angle of the parabolic antenna; the second rotating shaft is perpendicular to the first rotating shaft; the third cluster gear comprises a third rotating shaft which can adjust the rotational angle of the parabolic antenna; the third rotating shaft is perpendicular to the second rotating shaft. Each cluster gear comprises a coarse adjustment cluster gear and a fine adjustment cluster gear; the adjustment accuracy of the coarse adjustment cluster gear reaches 1; the adjustment accuracy of the fine adjustment cluster gear reaches 0. 1. The parabolic antenna regulator of the utility model can adjust the directing angle of the parabolic antenna according to the three axis direction, conforming to the Ka wave band accuracy requirement. In addition, the cluster gear is utilized by the utility model for replacing a known PLC controller and a servo motor; the manufacturing cost is greatly reduced.
Description
[technical field]
The utility model is about a parabolic antenna adjusting device, particularly about a kind of parabolic antenna adjusting device that utilizes gear train to adjust.
[background technology]
The operation principle that satellite antenna receives satellite television programming is to utilize satellite antenna to collect faint satellite-signal, and with this satellite-signal reflex to the lnb that is installed in parabolic antenna (dish) focus place (low noise block down converter, LNB).Then, signal that lnb will be concentrated amplifies, and its frequency is reduced to intermediate frequency about 1GHz, is sent to indoor station selector via cable then.Station selector is selected with the channel that will watch in the signal, after the amplification demodulation is reduced into image and voice signal, just can import TV and broadcast program.
Parabolic antenna is a kind of reception antenna of high directivity, and it needs accurately the centre of parabolic antenna to be aimed at the satellite far away from 36,000 kilometers sky.With a diameter is that 180 centimeters satellite-signal parabolic antenna is an example, if be removed to two centimeters of original position or leave the elevation angle under order initial point up and down three centimeters the time about the position of parabolic antenna, signal just will die down even disappear.When parabolic antenna used Ka wave band (26-40 GHz), the precision in its orientation must can tune to the specification of 0.1 degree, and its error must not be launched an artificial satellite accurately to aim at above 0.02 degree.
The parabolic antenna that is applied to the Ka wave band at present mainly utilizes programmable logic controller (PLC) (Programmable Logic Controller:PLC) control servo motor to adjust.But its cost costliness, thereby significantly limit the degree of its universalness.
[utility model content]
The purpose of this utility model is to provide a kind of parabolic antenna adjusting device, and it can comply with three orientation angle of axially adjusting parabolic antenna, and can meet the required precision of Ka wave band.In addition, the utility model utilizes gear train to replace known PLC controller and servo motor, can reduce manufacturing cost significantly.
For achieving the above object, the utility model discloses a kind of parabolic antenna adjusting device, it is characterized in that it comprises:
One first gear train comprises parabolic angle one first rotating shaft of adjusting this parabolic antenna;
One second gear train comprises second rotating shaft of adjusting this parabolic antenna elevation angle, and this second rotating shaft is perpendicular to this first rotating shaft; And
One the 3rd gear train comprises the 3rd rotating shaft of adjusting this parabolic antenna anglec of rotation, and the 3rd rotating shaft is perpendicular to this second rotating shaft.
Described parabolic antenna adjusting device can also have following additional technical feature:
Described first gear train can connect this parabolic antenna by one pot of face holder.
Described the 3rd gear train is to connect a support.
Described first, second and third gear train can comprise respectively in addition:
One precision is the coarse adjustment gear train of 1 degree; And
One precision is the fine setting gear train of 0.1 degree.
The speed ratio of described coarse adjustment gear train can be 1: 360.
The speed ratio of described fine setting gear train can be 1: 3600.
Described coarse adjustment gear train can comprise:
One first worm and wormwheel group comprises first worm gear and first worm screw, and its speed ratio is 1: 120;
One commutating tooth wheels comprise first and second spur gear, and its speed ratio is 20: 60, and this second spur gear is by the coaxial drive of this first worm gear, this coaxial drive this first, second of first spur gear or the 3rd rotating shaft:
One rotation drives the coarse control rod of this first worm screw.
Described fine setting gear train can comprise:
One second worm and wormwheel group comprises second worm gear and second worm screw, and its speed ratio is 1: 60;
One the 3rd worm and wormwheel group comprises the 3rd worm gear and the 3rd worm screw, and its speed ratio is 1: 60, and the 3rd worm screw is by the coaxial drive of this second worm gear, and the 3rd worm gear is coaxial drive this first, second or the 3rd rotating shaft; And
One rotation drives the regulating rod of this second worm screw.
Described coarse control rod can be provided with a retainer ring.
Described regulating rod also can be provided with a retainer ring.
This parabolic antenna is the parabolic antenna of Ka wave band.
Above-mentioned each gear train comprises a coarse adjustment gear train and a fine setting gear train, can reach the adjustment precision of 1 and 0.1 degree respectively.In practical application, the gear part of forming this coarse adjustment gear train and fine setting gear train is not limited, and following embodiment will be that example describes with spur gear (spur gear) group and worm and gear (wheel-worm) group.
Parabolic antenna adjusting device of the present utility model can be complied with three orientation angle of axially adjusting parabolic antenna, and can meet the required precision of Ka wave band.In addition, the utility model utilizes gear train to replace known PLC controller and servo motor, can reduce manufacturing cost significantly.
[description of drawings]
The utility model will be illustrated according to accompanying drawing, wherein:
Fig. 1 and 2 shows the schematic diagram of parabolic antenna adjusting device of the present utility model;
Fig. 3 and 4 shows the schematic diagram of the gear train of parabolic antenna adjusting device of the present utility model;
The structural representation of the gear train of Fig. 5 and 6 examples parabolic antenna adjusting device of the present utility model.
[embodiment]
Fig. 1 is the application schematic diagram of parabolic antenna adjusting device of the present utility model, and Fig. 2 is the view of its another angle.One parabolic antenna apparatus 10 comprises a parabolic antenna 11, a frequency demultiplier support bar 12, one pot of face holder 13, a parabolic antenna adjusting device 14 and support 15.This parabolic antenna 11 and frequency demultiplier support bar 12 are fixed in this parabola holder 13.This parabolic antenna adjusting device 14 connects this parabola holder 13 and support 15, is used to adjust the orientation angle of this parabolic antenna 11.
This parabolic antenna adjusting device 14 is to be made of one first gear train 16, one second gear train 17 and one the 3rd gear train 18.This first gear train 16 comprises one first rotating shaft 31, and the parabolic angle that is used to connect this pot face holder 13 and adjusts this parabolic antenna 11 is promptly adjusted according to x axle rotation shown in Figure 1.This second gear train 17 connects this first gear train 16 and the 3rd gear train 18, and utilizes its one second rotating shaft 32 that comprises to adjust the elevation angle of this parabolic antenna 11, promptly adjusts according to the rotation of y axle.The 3rd gear train 18 connects this second gear train 17 and support 15, can drive one the 3rd rotating shaft 33 that it comprises, and by adjusting the anglec of rotation of this parabolic antenna 11, promptly adjusts according to the rotation of z axle.This first, second and third gear train 16,17 and 18 is essentially identical structure, but its angle of spatially installing differs about 90 degree, promptly first, second and third rotating shaft 31,32 and 33 axially differ about 90 degree, make this parabolic antenna 11 have the function of adjusting along the rotation of x, y, z axle.
Fig. 3 is the enlarged diagram of this first gear train 16, and Fig. 4 then is its view in another angle.This first gear train 16 is except comprising this first rotating shaft 31, and other comprises a coarse adjustment gear train 21 and a fine setting gear train 22.
This coarse adjustment gear train 21 of Fig. 5 and Fig. 6 example and fine setting gear train 22 are in the internal structure of different angles.This coarse adjustment gear train 21 comprises one first worm and wormwheel group 24, commutating tooth wheels 25 and a coarse control rod 26.This first worm and wormwheel group 24 comprises one first worm gear 242 and one first worm screw 241, and its speed ratio (speedratio) is 1: 120.These commutating tooth wheels 25 comprise one first spur gear 251 and one second spur gear 252, and its speed ratio is 20: 60 (both numbers of teeth are 60 teeth and 20 teeth in the present embodiment).This second spur gear 252 is and the 242 coaxial rotations of first worm gear, and this first spur gear 251 is to drive these first rotating shaft, 31 coaxial rotation.One end of this coarse control rod 26 connects this worm screw 241, to drive this worm screw 241 rotations.According to above-mentioned configuration, the speed ratio of this coarse adjustment gear train 21 is 1: 360 (can be tried to achieve by (20/60) * (1/120)=1/360).Therefore, when turning around (360 degree) when this coarse control rod 26 revolves, this first rotating shaft 31 is equivalent to rotate 1 degree, so this coarse adjustment gear train 21 can provide the adjustment precision of 1 degree.
This fine setting gear train 22 comprises one second worm and wormwheel group 27, one the 3rd worm and wormwheel group 28 and a regulating rod 29.This second worm and wormwheel group 27 comprises one second worm gear 272 and one second worm screw 271, and its speed ratio is 1: 60.The 3rd worm and wormwheel group 28 comprises one the 3rd worm gear 282 and one the 3rd worm screw 281, and its speed ratio also is 1: 60.One end of this regulating rod 29 connects this second worm screw 271, rotates to drive this second worm screw 271, and then drives this second worm gear, 272 rotations.This second worm gear 272 is and the 281 coaxial rotations of the 3rd worm screw, can promote the 3rd worm gear 282 by this and rotate, and the 3rd worm gear 282 then drives the 31 coaxial rotations of first rotating shaft.According to above-mentioned configuration, the speed ratio of this fine setting gear train 22 is 1: 3600 (can be tried to achieve by (1/60) * (1/60)=1/3600).Therefore, when turning around (360 degree) when regulating rod 29 revolves, this first rotating shaft 31 is equivalent to rotate 0.1 degree, so this fine setting gear train 22 can provide the adjustment precision of 0.1 degree.
This coarse control rod 26 and regulating rod 29 are respectively equipped with retainer ring 34 and 35, and it can screw after adjustment to fix this coarse control rod 26 and regulating rod 29, to prevent error.
In the present embodiment, the basic structure of this second, third gear train 17,18 is substantially all identical with first gear train 16, its difference is only the direction of installing (being the axial of its rotating shaft 31,32,33), so the detail structure about second and third gear train 17,18 is described, and is omitted at this.
Present embodiment is to utilize three groups of identical gear trains of substantial structure to describe, with outstanding the utility model utilize three gear trains at parabolic antenna at three technical characterictics of axially adjusting, and can be by identical gear train specification to reduce manufacturing cost.Yet, in fact the speed ratio of each gear train and internal structure are not limited, the gear train of every different speed ratios or yet can be used according to different demands as the structure that helical gear (bevel gear), ratch (rack) and helical gear (helical gear) wait other gear member to form.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present utility model and announcement and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications.
Claims (11)
1. parabolic antenna adjusting device is characterized in that it comprises:
One first gear train comprises parabolic angle one first rotating shaft of adjusting this parabolic antenna;
One second gear train comprises second rotating shaft of adjusting this parabolic antenna elevation angle, and this second rotating shaft is perpendicular to this first rotating shaft; And
One the 3rd gear train comprises the 3rd rotating shaft of adjusting this parabolic antenna anglec of rotation, and the 3rd rotating shaft is perpendicular to this second rotating shaft.
2. parabolic antenna adjusting device as claimed in claim 1 is characterized in that: described first gear train connects this parabolic antenna by one pot of face holder.
3. parabolic antenna adjusting device as claimed in claim 1 is characterized in that: described the 3rd gear train is to connect a support.
4. parabolic antenna adjusting device as claimed in claim 1 is characterized in that: described first, second and third gear train comprises respectively in addition:
One precision is the coarse adjustment gear train of 1 degree; And
One precision is the fine setting gear train of 0.1 degree.
5. parabolic antenna adjusting device as claimed in claim 4 is characterized in that: the speed ratio of described coarse adjustment gear train is 1: 360.
6. parabolic antenna adjusting device as claimed in claim 4 is characterized in that: the speed ratio of described fine setting gear train is 1: 3600.
7. parabolic antenna adjusting device as claimed in claim 4 is characterized in that: described coarse adjustment gear train comprises:
One first worm and wormwheel group comprises first worm gear and first worm screw, and its speed ratio is 1: 120;
One commutating tooth wheels comprise first and second spur gear, and its speed ratio is 20: 60, and this second spur gear is by the coaxial drive of this first worm gear, this coaxial drive this first, second of first spur gear or the 3rd rotating shaft;
One rotation drives the coarse control rod of this first worm screw.
8. parabolic antenna adjusting device as claimed in claim 4 is characterized in that: described fine setting gear train comprises:
One second worm and wormwheel group comprises second worm gear and second worm screw, and its speed ratio is 1: 60;
One the 3rd worm and wormwheel group comprises the 3rd worm gear and the 3rd worm screw, and its speed ratio is 1: 60, and the 3rd worm screw is by the coaxial drive of this second worm gear, and the 3rd worm gear is coaxial drive this first, second or the 3rd rotating shaft; And
One rotation drives the regulating rod of this second worm screw.
9. parabolic antenna adjusting device as claimed in claim 7 is characterized in that: described coarse control rod is provided with a retainer ring.
10. parabolic antenna adjusting device as claimed in claim 8 is characterized in that: described regulating rod is provided with a retainer ring.
11. parabolic antenna adjusting device as claimed in claim 1 is characterized in that: this parabolic antenna is the parabolic antenna of Ka wave band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128539 CN2678153Y (en) | 2003-12-17 | 2003-12-17 | Parabolic antenna regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128539 CN2678153Y (en) | 2003-12-17 | 2003-12-17 | Parabolic antenna regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2678153Y true CN2678153Y (en) | 2005-02-09 |
Family
ID=34581451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320128539 Expired - Fee Related CN2678153Y (en) | 2003-12-17 | 2003-12-17 | Parabolic antenna regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2678153Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439788A (en) * | 2011-09-20 | 2012-05-02 | 华为技术有限公司 | Adjusting device of microwave antenna |
| CN104205489A (en) * | 2012-04-12 | 2014-12-10 | 株式会社Kmw | Variable beam control antenna for mobile communication system |
-
2003
- 2003-12-17 CN CN 200320128539 patent/CN2678153Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439788A (en) * | 2011-09-20 | 2012-05-02 | 华为技术有限公司 | Adjusting device of microwave antenna |
| CN104205489A (en) * | 2012-04-12 | 2014-12-10 | 株式会社Kmw | Variable beam control antenna for mobile communication system |
| CN104205489B (en) * | 2012-04-12 | 2017-02-22 | 株式会社 Kmw | Variable beam control antenna for mobile communication system |
| US9917361B2 (en) | 2012-04-12 | 2018-03-13 | Kmw Inc. | Variable beam control antenna for mobile communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 Termination date: 20111217 |