CN203733925U - Marine satellite antenna limiting device - Google Patents
Marine satellite antenna limiting device Download PDFInfo
- Publication number
- CN203733925U CN203733925U CN201420020486.0U CN201420020486U CN203733925U CN 203733925 U CN203733925 U CN 203733925U CN 201420020486 U CN201420020486 U CN 201420020486U CN 203733925 U CN203733925 U CN 203733925U
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- Prior art keywords
- base plate
- fixed
- gear
- satellite antenna
- bottom plate
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- Expired - Lifetime
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- 230000005693 optoelectronics Effects 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model provides a marine satellite antenna limiting device, which belongs to the technical field of electronic communication. The marine satellite antenna limiting device solves the technical problem of electric wire winding inside the antenna caused by unlimited rotation during antenna satellite-finding in the prior art. The marine satellite antenna limiting device comprises a base, wherein a center shaft is fixed on the base, the center shaft is threaded with a bottom plate which can rotate around the center shaft, a center gear arranged at the lower side of the bottom plate is fixed on the center shaft, a driving motor is fixed on the bottom plate, a planetary gear is fixed on an output shaft of the driving motor, the planetary gear is engaged with the center gear, a small gear is fixed on the center shaft and arranged on the upper side of the bottom plate, the bottom plate is provided with a large gear in rotating connection with the bottom plate, the large gear is engaged with the small gear, and a limiting signal trigger mechanism which can generate limiting signals when the bottom plate rotates to a set angle is arranged between the large gear and the bottom plate. The marine satellite antenna limiting device can be used for preventing the electric wire winding inside the antenna caused by unlimited rotation of the antenna, and is reliable in limiting.
Description
Technical field
The utility model belongs to electronic communication field, relates to a kind of satellite peculiar to vessel, especially a kind of satellite antenna stopping means peculiar to vessel.
Background technology
Satellite antenna is exactly the cauldron of often saying, is a metal parabola, is responsible for satellite-signal to reflex to the feed and the tuner that are positioned at focus place.The effect of satellite antenna is to collect the small-signal being transmitted by satellite, and removes as far as possible noise.Normally parabolic shape of most of antennas, also to have some multifocal some antennas be to be combined by sphere and parabola.After the reflection of satellite-signal by parabolic antenna, focus on its focus place.Satellite antenna peculiar to vessel is arranged on the satellite antenna on ship, because ship can produce displacement in the process of moving, therefore satellite antenna need to be adjusted direction timely, and the adjustment of direction need to have certain limit function, otherwise seeking star, unconfined rotation can cause the coiling of antenna internal wire, thereby cause the damage of antenna, therefore satellite peculiar to vessel all needs stopping means.
Chinese patent literature discloses the stopping means [application number: CN201110198891.2] that a kind of rotational travel exceedes 360 degree, comprise holder and the rotating shaft of ring-type, described rotating shaft is through described holder mider hole, on described holder agreement face, be provided with along limitation travel switch along circumference, contrary limitation travel switch and section switch, described is that opening is towards " U " of described rotating shaft shape structure along limitation travel switch and contrary limitation travel switch, travel switch catch is installed in described rotating shaft, when rotating shaft rotation, travel switch catch passes across described along limit switch, contrary limitation travel switch and section switch, in rotating shaft, a follower disk is installed, on this follower disk, be provided with a driving lever, this driving lever drives the section switch catch being arranged on described holder to screw in or screw out " U " shape opening of described section switch.
Such scheme simple in structure, volume is little, and cost is lower, reaches the rotation of both forward and reverse directions by hardware limit, the fail safe that has improved servo system can reliability.But also there is certain defect in such scheme: the mode of hardware limit is no doubt reliable, spacing but above-mentioned scheme realizes by catch, and catch, in the time of long-time use, because shock can cause damaging or being subjected to displacement, thereby affects the effect of stopping means.
Utility model content
The purpose of this utility model is for the problems referred to above, and a kind of satellite antenna stopping means peculiar to vessel is provided; Solve the technical problem that when the existing antenna of prior art is sought star, unrestricted rotation causes antenna internal wire to wind the line.
For achieving the above object, the utility model has adopted following technical proposal: a kind of satellite antenna stopping means peculiar to vessel, this satellite antenna peculiar to vessel comprises base, on base, be fixed with central shaft, on central shaft, being equipped with can be around the base plate of central shaft rotation, on described central shaft, be fixed with the central gear that is positioned at base plate downside, on described base plate, be fixed with drive motors, on the output shaft of this drive motors, be fixed with planetary gear, described planetary gear is meshed with central gear, this stopping means comprises the pinion that is fixed on central shaft and is positioned at base plate upside, described base plate is provided with the gear wheel being rotationally connected with base plate, described gear wheel is meshed with pinion, between described gear wheel and base plate, be provided with the limit signal trigger mechanism that can produce limit signal in the time that base plate turns to set angle.
In above-mentioned satellite antenna stopping means peculiar to vessel, described limit signal trigger mechanism comprises connecting rod, one end of this connecting rod and gear wheel center are hinged, the other end is hinged on base plate, on connecting rod, be fixed with optoelectronic switch mounting panel, on optoelectronic switch mounting panel, be provided with the first optoelectronic switch and the second optoelectronic switch that lay respectively at connecting rod both sides, on described gear wheel, be fixed with the detection bodies under base plate forward or reverse can lay respectively at the first optoelectronic switch or the second optoelectronic switch during to set angle.
In above-mentioned satellite antenna stopping means peculiar to vessel, the thickness of described detection bodies is greater than the spacing between connecting rod and gear wheel.
In above-mentioned satellite antenna stopping means peculiar to vessel, described limit signal trigger mechanism is all connected with control circuit with drive motors.
In above-mentioned satellite antenna stopping means peculiar to vessel, described gear wheel and the gear ratio of pinion are 2:1.
Compared with prior art, the utility model has the advantage of:
1, the utility model can prevent the unrestricted rotation of antenna and cause the coiling of antenna internal wire.
2, realize limit function with optoelectronic switch, in the time that rotation exceedes 360 °, can stop the rotation in time and in the opposite direction rotation, with respect to control with catch rotation more flexibly, more reliable;
3, of the present utility modelly carry out secondary fuse to controlling rotation with positive stop strip, also can control direction of rotation even if optoelectronic switch loses efficacy, therefore spacing more insurance.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model provides;
Fig. 2 is that the utility model is removed the structural representation after drive motors.
In figure, base 10, central shaft 11, base plate 12, drive motors 13, central gear 14, pinion 15, gear wheel 16, side plate 17, baffle plate 18, planetary gear 131, limit signal trigger mechanism 2, detection bodies 22, optoelectronic switch mounting panel 23, connecting rod 25, the first optoelectronic switch 231, the second optoelectronic switch 232, control circuit 3.
Embodiment
As shown in Figure 1-2, a kind of satellite antenna stopping means peculiar to vessel, this satellite antenna peculiar to vessel comprises base 10, on base 10, be fixed with central shaft 11, on central shaft 11, be equipped with the base plate 12 that can rotate around central shaft 11, on described central shaft 11, be fixed with the central gear 14 that is positioned at base plate 12 downsides, on described base plate 12, be fixed with drive motors 13, on the output shaft of this drive motors 13, be fixed with planetary gear 131, described planetary gear 131 is meshed with central gear 14, this stopping means comprises the pinion 15 that is fixed on central shaft 11 and is positioned at base plate 12 upsides, described base plate 12 is provided with the gear wheel 16 being rotationally connected with base plate 12, described gear wheel 16 is meshed with pinion 15, between described gear wheel 16 and base plate 12, be provided with the limit signal trigger mechanism 2 that can produce limit signal in the time that base plate 12 turns to set angle.
Described limit signal trigger mechanism 2 is all connected with control circuit 3 with drive motors 13.
As the preferred scheme of one, in the present embodiment, described drive motors 13 is stepping motor.
In the time that drive motors 13 starts, the output shaft of drive motors 13 drives planetary gear 131 to rotate around central gear 14, thereby drives base plate 12 to rotate around central shaft 11.Thereby limit signal trigger mechanism 2 can limit base plate 12, unrestricted rotation prevents internal wire coiling.
Described gear wheel 16 is 2:1 with the gear ratio of pinion 15.Therefore gear wheel 16 can revolve and take two turns around pinion 15, is equivalent to 720 °, makes base plate 12 have enough revolution spaces.
Described limit signal trigger mechanism 2 comprises connecting rod 25, one end of this connecting rod 25 and gear wheel 16 centers are hinged, the other end is hinged on base plate 12, on connecting rod 25, be fixed with optoelectronic switch mounting panel 23, on optoelectronic switch mounting panel 23, be provided with the first optoelectronic switch 231 and the second optoelectronic switch 232 that lay respectively at connecting rod 25 both sides, on described gear wheel 16, be fixed with the detection bodies 22 under base plate 12 forward or reverse can lay respectively at the first optoelectronic switch 231 or the second optoelectronic switch 232 during to set angle.
In the time that base plate 12 rotations reach certain angle, be detection bodies 22 with optoelectronic switch mounting panel 23 on the first optoelectronic switch 231 or the second optoelectronic switch 232 while producing optoelectronic induction, drive motors 13 stops operating, and in the time that start next time, drive motors 13 is to rotating backward.Forward and reverse rotation of optoelectronic induction and drive motors 13 all has control circuit 3 to control.
The thickness of described detection bodies 22 is greater than the spacing between connecting rod 25 and gear wheel 16.
In the present embodiment, the effect of connecting rod 25 is in the time that limit signal trigger mechanism 2 breaks down and can not be spacing, can detection bodies 22 be stopped by connecting rod 25, thereby form spacing, in the time that detection bodies 22 contacts with connecting rod 25, activation signal is transferred to control circuit 3, thereby makes control circuit 3 control rotation and the direction of rotation of drive motors 13, is the equal of a safety effect.
As the preferred scheme of one, in the present embodiment, base plate 12 both sides are respectively provided with a side plate 17, are fixed with a baffle plate 18 between two blocks of side plates 17, and described control circuit 3 is fixed on baffle plate 18.Thereby make the more compact structure of whole position-limit mechanism.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as base 10, central shaft 11, base plate 12, drive motors 13, central gear 14, pinion 15, gear wheel 16, side plate 17, baffle plate 18, planetary gear 131, limit signal trigger mechanism 2, detection bodies 22, optoelectronic switch mounting panel 23, connecting rod 25, the first optoelectronic switch 231, the second optoelectronic switch 232, control circuit 3 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. a satellite antenna stopping means peculiar to vessel, this satellite antenna peculiar to vessel comprises base (10), on base (10), be fixed with central shaft (11), on central shaft (11), being equipped with can be around the base plate (12) of central shaft (11) rotation, on described central shaft (11), be fixed with the central gear (14) that is positioned at base plate (12) downside, on described base plate (12), be fixed with drive motors (13), on the output shaft of this drive motors (13), be fixed with planetary gear (131), described planetary gear (131) is meshed with central gear (14), it is characterized in that, this stopping means comprises the pinion (15) that is fixed on central shaft (11) above and is positioned at base plate (12) upside, described base plate (12) is provided with the gear wheel (16) being rotationally connected with base plate (12), described gear wheel (16) is meshed with pinion (15), between described gear wheel (16) and base plate (12), be provided with the limit signal trigger mechanism (2) that can produce limit signal in the time that base plate (12) turns to set angle.
2. satellite antenna stopping means peculiar to vessel according to claim 1, it is characterized in that, described limit signal trigger mechanism (2) comprises connecting rod (25), one end of this connecting rod (25) and gear wheel (16) center are hinged, the other end is hinged on base plate (12), on connecting rod (25), be fixed with optoelectronic switch mounting panel (23), on optoelectronic switch mounting panel (23), be provided with the first optoelectronic switch (231) and the second optoelectronic switch (232) that lay respectively at connecting rod (25) both sides, on described gear wheel (16), be fixed with the detection bodies (22) under base plate (12) forward or reverse can lay respectively at the first optoelectronic switch (231) or the second optoelectronic switch (232) during to set angle.
3. satellite antenna stopping means peculiar to vessel according to claim 2, is characterized in that, the thickness of described detection bodies (22) is greater than the spacing between connecting rod (25) and gear wheel (16).
4. according to the satellite antenna stopping means peculiar to vessel described in claim 1 or 2 or 3, it is characterized in that, described limit signal trigger mechanism (2) is all connected with control circuit (3) with drive motors (13).
5. according to the satellite antenna stopping means peculiar to vessel described in claim 1 or 2 or 3, it is characterized in that, described gear wheel (16) is 2:1 with the gear ratio of pinion (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020486.0U CN203733925U (en) | 2014-01-14 | 2014-01-14 | Marine satellite antenna limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020486.0U CN203733925U (en) | 2014-01-14 | 2014-01-14 | Marine satellite antenna limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733925U true CN203733925U (en) | 2014-07-23 |
Family
ID=51203972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420020486.0U Expired - Lifetime CN203733925U (en) | 2014-01-14 | 2014-01-14 | Marine satellite antenna limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733925U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953232A (en) * | 2015-06-26 | 2015-09-30 | 浙江中星光电子科技有限公司 | Antenna connection device and antenna system |
| GB2539724A (en) * | 2015-06-25 | 2016-12-28 | Airspan Networks Inc | A rotable antenna apparatus |
| US10448264B2 (en) | 2015-06-25 | 2019-10-15 | Airspan Networks Inc. | Rotatable antenna apparatus |
| CN112201956A (en) * | 2020-10-19 | 2021-01-08 | 迪泰（浙江）通信技术有限公司 | Rotating device of mobile satellite antenna |
| CN112416024A (en) * | 2020-11-06 | 2021-02-26 | 中国电子科技集团公司第五十四研究所 | Antenna self-adaptive unwinding method with limited upper position rotation range of moving carrier |
| US11936118B2 (en) | 2019-01-30 | 2024-03-19 | New H3C Technologies Co., Ltd. | Antenna system and network device |
-
2014
- 2014-01-14 CN CN201420020486.0U patent/CN203733925U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2539724A (en) * | 2015-06-25 | 2016-12-28 | Airspan Networks Inc | A rotable antenna apparatus |
| US10028154B2 (en) | 2015-06-25 | 2018-07-17 | Airspan Networks Inc. | Rotatable antenna apparatus |
| US10448264B2 (en) | 2015-06-25 | 2019-10-15 | Airspan Networks Inc. | Rotatable antenna apparatus |
| CN104953232A (en) * | 2015-06-26 | 2015-09-30 | 浙江中星光电子科技有限公司 | Antenna connection device and antenna system |
| CN104953232B (en) * | 2015-06-26 | 2018-09-04 | 浙江中星光电子科技有限公司 | A kind of antenna connection device and antenna system |
| US11936118B2 (en) | 2019-01-30 | 2024-03-19 | New H3C Technologies Co., Ltd. | Antenna system and network device |
| CN112201956A (en) * | 2020-10-19 | 2021-01-08 | 迪泰（浙江）通信技术有限公司 | Rotating device of mobile satellite antenna |
| CN112201956B (en) * | 2020-10-19 | 2022-05-27 | 迪泰（浙江）通信技术有限公司 | Rotating device of mobile satellite antenna |
| CN112416024A (en) * | 2020-11-06 | 2021-02-26 | 中国电子科技集团公司第五十四研究所 | Antenna self-adaptive unwinding method with limited upper position rotation range of moving carrier |
| CN112416024B (en) * | 2020-11-06 | 2022-09-02 | 中国电子科技集团公司第五十四研究所 | Antenna self-adaptive unwinding method with limited upper position rotation range of moving carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 7, Building 7, Lane 216, Qingyi Road, High tech Zone, Ningbo City, Zhejiang Province 315000 Patentee after: Ningbo Ditai Technology Co.,Ltd. Address before: 315103 Floor 4, Building 2, No. 1177, Lingyun Road, High tech Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO DITEL ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |