CN114649688A - Low-power-consumption multi-beam satellite antenna - Google Patents
Low-power-consumption multi-beam satellite antenna Download PDFInfo
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- CN114649688A CN114649688A CN202210560240.1A CN202210560240A CN114649688A CN 114649688 A CN114649688 A CN 114649688A CN 202210560240 A CN202210560240 A CN 202210560240A CN 114649688 A CN114649688 A CN 114649688A
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- wall
- paraboloid
- satellite antenna
- beam satellite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
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- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to the technical field of satellite antennas, in particular to a low-power-consumption multi-beam satellite antenna which comprises a tray, wherein a feed source is fixedly arranged on one side of the middle part of the tray, a fixing plate is fixedly connected to the other side of the tray, and a plurality of lap plates are fixedly arranged on the outer wall of the tray in an annular structure; the tray also comprises a plurality of paraboloids which are distributed around the tray in an annular structure; the displacement mechanism is arranged on the fixed plate and is used for adjusting the angle between the paraboloid and the tray; still include the framework of fixed mounting on the fixed plate outer wall, swing joint has the regulating part in the framework. Through setting the paraboloid that is used for the received signal among the multi-beam satellite antenna to folding state, under the prerequisite of guaranteeing normal communication during the in-service use, effectual reduction loss, the paraboloid that remains signal reception among the multi-beam satellite antenna simultaneously becomes less, and then also can effectually avoid the influence of external signal to this point-to-point communication process.
Description
Technical Field
The invention relates to the technical field of satellite antennas, in particular to a low-power-consumption multi-beam satellite antenna.
Background
A multi-beam antenna is an antenna that is capable of producing a plurality of sharp beams. These sharp beams (called meta-beams) may be combined into one or several shaped beams to cover a particular spatial domain. The multi-beam antenna has three basic forms, namely a lens type, a reflecting surface type, a phased array type and the like.
Specifically, the principle of receiving signals by the antenna is as follows: when a symmetric oscillator is placed in the propagation direction of the electromagnetic wave, induced electromotive force is generated on the antenna oscillator under the action of the electromagnetic wave. If the antenna is connected to the receiving device, a high-frequency current is generated at the input end of the receiving device, that is, the reception of a signal is completed, and a general multi-beam antenna is mostly an omnidirectional antenna, and its purpose is to receive external signals in a wider range in an actual use process, but at the same time, there are certain disadvantages, for example, when the direction of a transmission source is determined, that is, only point-to-point communication is required, because the multi-beam antenna has a fixed structure, a signal coverage range is wider, in a signal receiving process, other external signals can be received besides a target signal, so that power consumption of signal processing is increased, and the signal receiving process is easily interfered.
Disclosure of Invention
Solves the technical problem
In view of the above-mentioned disadvantages of the prior art, the present invention provides a low power consumption multi-beam satellite antenna, which can effectively solve the problems that most of the existing multi-beam antennas are omnidirectional antennas, and the present invention aims to receive external signals in a wider range in the actual use process, but certain disadvantages also exist, for example, when the direction of a transmission source is determined, that is, only point-to-point communication is required, because the multi-beam antenna has a fixed structure, the signal coverage range is wider, in the signal receiving process, other external signals can be received in addition to a target signal, so that the power consumption of signal processing is increased, and interference is easily caused in the signal receiving process.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a low-power-consumption multi-beam satellite antenna which comprises a tray, wherein a feed source is fixedly arranged on one side of the middle part of the tray, a fixing plate is fixedly connected to the other side of the tray, and a plurality of lap plates are fixedly arranged on the outer wall of the tray in an annular structure; the tray is characterized by also comprising a plurality of paraboloids which are distributed around the tray in an annular structure, and the two paraboloids symmetrically arranged on the tray can synchronously adjust the position relative to the tray; the displacement mechanism is arranged on the fixed plate and used for adjusting the angle between the paraboloid and the tray, and comprises a plurality of movable plates which are connected to the fixed plate in a sliding mode in an annular structure, the outer ends of the movable plates are fixedly connected with a stop block, the stop block can support a connecting block fixedly arranged at the lower side position of the paraboloid, the inner ends of the movable plates are fixedly provided with piston rods, and the middle parts of the two symmetrically arranged piston rods are sleeved with a sealing cylinder; the automatic adjusting device is characterized by further comprising a frame body fixedly mounted on the outer wall of the fixed plate, wherein an adjusting piece is movably connected to the frame body, the adjusting piece can be used for synchronously adjusting the positions of the two symmetrically-arranged moving plates, the adjusting piece is adjusted in position through an external hydraulic cylinder, a driven tooth is fixedly mounted on the outer wall of the adjusting piece, and the driven tooth drives the driven tooth to adjust the position relative to the frame body through an external driving tooth.
Furthermore, a sliding groove is formed in the outer wall of the fixed plate, the outer wall of the movable plate is in sliding fit with the sliding groove, an inclined plane is formed in the outer wall of the inner end of the movable plate, and the lapping blocks fixedly mounted at two ends of the adjusting piece are in sliding fit with the inclined plane.
Furthermore, the middle part of the adjusting part is fixedly connected with a rotating shaft, one end of the rotating shaft is rotatably connected with an elastic block which is elastically connected to the frame body, an annular groove is formed in the outer wall of the frame body, a through groove is formed in the inner wall of the annular groove in a penetrating mode, and the outer wall of the adjusting part is in sliding fit with the annular groove and the inner wall of the through groove.
Further, a plurality of the lapping plates correspond to the positions of a plurality of paraboloids, and the inner ends of the paraboloids are rotatably connected with the lapping plates through connecting shafts.
Further, still including extending the face, correspond the setting in the downside position of every paraboloid to the inner fixedly connected with mounting panel of this extension face, fixedly connected with guide bar on the outer wall of mounting panel, guide bar and the spacing groove sliding fit who sets up on the paraboloid outer wall.
Furthermore, the displacement adjusting mechanism is used for adjusting the distance between the extending surface and the paraboloid and comprises a piston cylinder fixedly installed on the paraboloid, the piston cylinder is communicated with the sealing cylinder through a connecting pipe, hydraulic oil is filled in the piston cylinder, the connecting pipe and the sealing cylinder, a moving rod is movably connected inside the piston cylinder, the end portion of the moving rod penetrates through the piston cylinder and extends to an external fixedly connected moving block, and the moving block is fixedly connected with the extending surface through an elastic rod.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
according to the multi-beam satellite antenna, the paraboloid used for receiving signals in the multi-beam satellite antenna is arranged in a foldable state, so that part of the paraboloid can be folded in the point-to-point communication process, the loss is effectively reduced on the premise of ensuring normal communication, meanwhile, the paraboloid reserved for signal receiving in the multi-beam satellite antenna is reduced, and further, the influence of external signals on the point-to-point communication process can be effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of the overall structure of a multi-beam satellite antenna according to the present invention;
FIG. 2 is a schematic diagram of an exploded front view of a multi-beam satellite antenna paraboloid of the present invention;
FIG. 3 is a schematic view of the parabolic exploded bottom view of the multi-beam satellite antenna of the present invention;
FIG. 4 is a schematic diagram of the overall explosive structure of the multi-beam satellite antenna of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 4B according to the present invention;
FIG. 7 is a schematic view of an exploded view of the conditioning element of the present invention;
fig. 8 is a schematic diagram illustrating the overall structural change of the multi-beam satellite antenna according to the present invention during adjustment of the paraboloid.
The reference numerals in the drawings denote: 1. a tray; 2. a feed source; 3. a fixing plate; 4. a chute; 5. a frame body; 501. an annular groove; 502. a through groove; 6. a rotating shaft; 7. an adjustment member; 701. a lapping block; 8. an elastic block; 9. a driven tooth; 10. a driving tooth; 11. a lap plate; 12. a displacement mechanism; 1201. moving the plate; 1202. a stopper; 1203. a bevel; 13. a piston rod; 14. sealing the cylinder; 15. a connecting pipe; 16. a piston cylinder; 17. a moving block; 18. an elastic rod; 19. an extension plane; 20. mounting a plate; 21. a guide bar; 22. a paraboloid; 2201. a limiting groove; 23. and (4) connecting the blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example (b): referring to fig. 1 to 8, the low-power multi-beam satellite antenna comprises a tray 1, wherein a feed source 2 is fixedly installed on one side of the middle of the tray 1, a fixing plate 3 is fixedly connected to the other side of the tray 1, and a plurality of lap plates 11 are fixedly installed on the outer wall of the tray 1 in an annular structure; and a plurality of paraboloids 22 distributed around the tray 1 in a ring structure, the plurality of lapping plates 11 correspond to the plurality of paraboloids 22, the inner ends of the paraboloids 22 are rotatably connected with the lapping plates 11 through connecting shafts, two paraboloids 22 symmetrically arranged on the tray 1 can synchronously adjust the positions relative to the tray 1, in the actual use process, the arranged tray 1 is used for stably supporting the plurality of paraboloids 22, the tray 1 is fixedly connected with an external mounting base, in the case, the two paraboloids 22 symmetrically arranged on the tray 1 can synchronously adjust the positions through the displacement mechanism 12, other paraboloids 22 are folded, and the multi-beam satellite antenna only receives signals in a small range within a certain time, and the aim is that the existing multi-beam satellite antenna is in a pot structure, the purpose is to enable signal communication with a wide coverage area, and therefore, in an actual use process, an antenna element on the antenna element needs to convert electromagnetic waves received in each direction into high-frequency current, and power consumption is larger than that of performing signal matching. However, when the multi-beam satellite antenna is determined to be used for receiving signals at a fixed position, the wide coverage mode can still receive other external signals besides the target signals, thereby increasing the power consumption of signal processing and being easily interfered during signal receiving. In the present case, when this multi-beam satellite antenna is carrying out point-to-point signal reception and transmission, can avoid the electromagnetic wave of other directions with the wave band to cause the influence to this communication, guarantee the privacy of communication, the effectual loss that reduces this multi-beam satellite antenna to worth explaining is, when carrying out point-to-point signal communication, can be through the position of the tray 1 of adjustment setting, and then makes this multi-beam satellite antenna carry out the position with the information source and correspond.
In the present case, a plurality of paraboloids 22 are provided, the position can be adjusted by the provided displacement mechanism 12, specifically, the displacement mechanism 12 includes a plurality of moving plates 1201 which are slidably connected to the fixed plate 3 in an annular structure, the outer wall of the fixed plate 3 is provided with a sliding groove 4, the outer wall of the moving plates 1201 is in sliding fit with the sliding groove 4, the outer ends of the moving plates 1201 are fixedly connected with a stopper 1202, the stopper 1202 can support a connecting block 23 which is fixedly installed at the lower side position of the paraboloids 22, the inner ends of the moving plates 1201 are fixedly installed with a piston rod 13, the middle parts of the two symmetrically arranged piston rods 13 are sleeved with a sealing cylinder 14, the plurality of moving plates 1201 which are slidably connected to the fixed plate 3 are adjusted by the adjusting part 7. Specifically, the adjusting member 7 is arranged to be capable of adjusting the position under the driving of an external hydraulic cylinder, the lapping blocks 701 fixedly arranged at two ends of the adjusting member 7 are capable of sliding-fitting with the inclined planes 1203 formed on the outer walls of the inner ends of the moving plates 1201, when the two moving plates 1201 are in contact, the two moving plates 1201 are capable of approaching each other along the center of the paraboloid 22, since the stoppers 1202 at the end positions of the moving plates 1201 are in contact with the connecting block 23, so as to support the paraboloid 22, and after the moving plates are removed, the paraboloid 22 is turned over in combination with the rotational connection relationship between the lapping plate 11 and the paraboloid 22, it should be noted that in the actual use process of the device, the installation direction of the device is relatively horizontal, the paraboloid 22 can be turned over under the action of gravity in a self-adaptive manner, and the turning over can be performed without maintaining a specific angle, when the paraboloid 22 is turned over by a certain angle, the received signal can not be fed back to the feed source 2, and when the paraboloid is turned over, the received signal can not be fed back to the position of the feed source 2, so that the shielding of a non-point-to-point position and an external signal is realized, the power consumption of the multi-beam satellite antenna is effectively reduced, the interference of an external signal source is reduced, and the high efficiency of communication is ensured.
The automatic adjusting device is characterized by further comprising a frame body 5 fixedly installed on the outer wall of the fixed plate 3, an adjusting piece 7 is movably connected to the frame body 5, the adjusting piece 7 can be used for synchronously adjusting the positions of the two symmetrically-arranged moving plates 1201, the adjusting piece 7 is adjusted in position through an external hydraulic cylinder, a driven tooth 9 is fixedly installed on the outer wall of the adjusting piece 7, and the driven tooth 9 drives the driven tooth to adjust the position relative to the frame body 5 through a driving tooth 10 arranged at one side of the driven tooth 9. The middle part fixedly connected with pivot 6 of regulating part 7, the one end of this pivot 6 rotates with the elastic block 8 of elastic connection on framework 5 to be connected, has seted up annular groove 501 on the outer wall of framework 5, and has run through on the inner wall of annular groove 501 and has seted up logical groove 502, the outer wall of regulating part 7 and the inner wall sliding fit who leads to groove 501 and logical groove 502. Specifically, the purpose of the rotatable adjustment tool 7 provided with respect to the housing 5 is that, in actual use, since there are a plurality of paraboloids 22 provided, it is necessary to turn over different paraboloids 22 for different signal source positions, and therefore, the adjustment tool 7 for adjusting the turning over of each paraboloid 22 also needs to be appropriately adjusted in position. The external driving tooth 10 is fixedly connected with the output end of a servo motor fixedly arranged on the outer wall mounting base, the arranged driving tooth 10 can be driven to rotate by controlling the servo motor, the arranged driving tooth 10 is meshed and connected with the driven tooth 9 to drive the arranged driven tooth 9 to rotate, due to the fixed connection mode between the driven teeth 9 and the adjusting piece 7, the adjusting piece 7 can be driven to rotate relative to the frame body 5, thereby enabling the block 701 fixedly attached to the adjustment member 7 to be aligned with a different through slot 502, when the adjusting piece 7 is adjusted in position by the hydraulic cylinder on the outer wall, the overlapping blocks 701 can be matched with the inclined planes 1203 on different moving plates 1201 in a sliding way, and then drive different paraboloids 22 to overturn, and be used for adapting to the reception of the signals of the emission sources at different positions, and improve the application range of the multi-beam satellite antenna.
The multi-beam satellite antenna further comprises an extension surface 19 which is correspondingly arranged at the lower side position of each paraboloid 22, the inner end of the extension surface 19 is fixedly connected with a mounting plate 20, the outer wall of the mounting plate 20 is fixedly connected with a guide rod 21, the guide rod 21 is in sliding fit with a limit groove 2201 which is arranged on the outer wall of the paraboloid 22, in this case, when the multi-beam satellite antenna is used for point-to-point communication, in order to ensure the stability of signal receiving, the signal receiving strength in the direction can be compensated by arranging the corresponding extension surface 19 on the remained paraboloid 22, and in the normal use process, namely, when the multi-beam satellite antenna is used for receiving a large range of signals, the specific expression is that the plurality of paraboloids 22 are all in the open state and combined into a pot-like structure, as shown in figure 1, the extension surface 19 is arranged at the lower side position of the paraboloids 22, when the multi-beam satellite antenna is applied to point-to-point signal communication, the two symmetrically arranged paraboloids 22 are driven to overturn through the arranged displacement mechanism 12, after the overturning is completed, the extension surface 19 located at the lower side position of the paraboloid 22 overturns along with the inversion, and the extension surface 19 located at the lower side position of the paraboloid 22 which is not overturned can extend out from the lower side position of the paraboloid 22, so that signal receiving and emission intensity increase are carried out in a certain area.
Specifically, the positional relationship between extension face 19 and paraboloid 22 can be adjusted to the displacement guiding mechanism that sets up, and is special, this displacement guiding mechanism of setting, can mutually support with the displacement mechanism 12 that sets up and use, displacement guiding mechanism includes fixed mounting at paraboloid 22's piston cylinder 16, communicate through connecting pipe 15 between piston cylinder 16 and the sealed cylinder 14, piston cylinder 16, connecting pipe 15 and sealed cylinder 14 intussuseption are filled with hydraulic oil, the inside swing joint of piston cylinder 16 has the carriage release lever, the tip of carriage release lever passes piston cylinder 16 and extends to outside fixedly connected with movable block 17, movable block 17 is connected fixedly through flexible pole 18 and extension face 19.
In the actual adjusting process, when the distance between the two symmetrically arranged moving plates 1201 is adjusted by the arranged adjusting part 7, the two adjusted moving plates 1201 approach each other, the piston rods 13 fixedly connected to the inner ends of the arranged moving plates 1201 are combined, the middle parts of the two symmetrically arranged piston rods 13 are sleeved with the sealing cylinders 14, when the two moving plates 1201 approach each other, the two piston rods 13 can be driven to synchronously move, the relation of hydraulic oil is filled in the combined piston cylinder 16, the connecting pipe 15 and the sealing cylinders 14, the hydraulic oil is used as a flowing medium, the moving rod movably connected in the piston cylinder 16 can be driven to move, the outer end of the moving rod is fixedly connected with the moving block 17, and when the arranged adjusting part 7 turns over the paraboloid 22, the extending surface 19 elastically connected to the moving block 17 can extend out at the lower side position of the paraboloid 22, and the elastic connection relation between the moving block 17 and the extension surface 19 is combined, so that the upper side surface of the extended extension surface 19 is positioned on the same curved surface as the paraboloid 22 after the extension surface 19 is completely unfolded, thereby ensuring the efficient reception of point-to-point signals, and it is worth explaining that the shape of the extension surface 19 can be matched with the shape of the paraboloid 22, and the same can be similar to that shown in the attached drawing 8, is smaller than that of a single paraboloid 22, and can be replaced according to the actual application scene, on the premise of ensuring that the target signals can be accepted in the point-to-point communication process, the size of the extension surface 19 is reasonably reduced, the influence of external signals can be reduced, and particularly, when the size of the extension surface 19 is larger, the significance is that in the point-to-point signal communication process, the method can be adopted for the situation that the signal position area is fuzzy, the efficiency of signal reception is increased.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A low power multi-beam satellite antenna, comprising:
the feed source (2) is fixedly installed on one side of the middle of the tray (1), the fixing plate (3) is fixedly connected to the other side of the tray (1), and a plurality of overlapping plates (11) are fixedly installed on the outer wall of the tray (1) in an annular structure;
a plurality of paraboloids (22) which are distributed around the tray (1) in an annular structure, and two paraboloids (22) which are symmetrically arranged by the tray (1) can synchronously adjust the position relative to the tray (1);
the displacement mechanism (12) is arranged on the fixed plate (3) and used for adjusting the angle between the paraboloid (22) and the tray (1), and comprises a plurality of movable plates (1201) which are in annular structures and are connected to the fixed plate (3) in a sliding mode, the outer ends of the movable plates (1201) are fixedly connected with a stop block (1202), the stop block (1202) can support a connecting block (23) which is fixedly arranged at the lower side position of the paraboloid (22), the inner ends of the movable plates (1201) are fixedly provided with piston rods (13), and the middle parts of the two symmetrically arranged piston rods (13) are sleeved with a sealing cylinder (14);
still include framework (5) of fixed mounting on fixed plate (3) outer wall, swing joint has regulating part (7) on framework (5), the position of two symmetrical movable plates (1201) that set up can be adjusted in step to regulating part (7), and the regulation of position is carried out through outside pneumatic cylinder to regulating part (7), and fixed mounting has driven tooth (9) on the outer wall of regulating part (7), and this driven tooth (9) drive it through setting up in its one side initiative tooth (10) of position and carry out the adjustment of position for framework (5).
2. The low-power consumption multi-beam satellite antenna according to claim 1, wherein a sliding groove (4) is formed in an outer wall of the fixed plate (3), an outer wall of the moving plate (1201) is in sliding fit with the sliding groove (4), an inclined surface (1203) is formed in an outer wall of an inner end of the moving plate (1201), and overlapping blocks (701) fixedly mounted at two ends of the adjusting piece (7) are in sliding fit with the inclined surface (1203).
3. The low-power-consumption multi-beam satellite antenna is characterized in that a rotating shaft (6) is fixedly connected to the middle of the adjusting member (7), one end of the rotating shaft (6) is rotatably connected to an elastic block (8) which is elastically connected to the frame body (5), an annular groove (501) is formed in the outer wall of the frame body (5), a through groove (502) is formed in the inner wall of the annular groove (501) in a penetrating manner, and the outer wall of the adjusting member (7) is in sliding fit with the annular groove (501) and the inner wall of the through groove (502).
4. A low power consumption multi-beam satellite antenna according to claim 1, characterized in that a plurality of said lapping plates (11) correspond to the position of a plurality of parabolas (22), and the inner ends of said parabolas (22) are rotatably connected with the lapping plates (11) by means of connecting shafts.
5. The low-power-consumption multi-beam satellite antenna is characterized by further comprising extension surfaces (19) correspondingly arranged at the lower side of each paraboloid (22), wherein a mounting plate (20) is fixedly connected to the inner ends of the extension surfaces (19), a guide rod (21) is fixedly connected to the outer wall of the mounting plate (20), and the guide rod (21) is in sliding fit with a limiting groove (2201) formed in the outer wall of each paraboloid (22).
6. The low-power-consumption multi-beam satellite antenna is characterized by further comprising a displacement adjusting mechanism for adjusting the distance between the extension surface (19) and the paraboloid (22), wherein the displacement adjusting mechanism comprises a piston cylinder (16) fixedly installed on the paraboloid (22), the piston cylinder (16) is communicated with the sealing cylinder (14) through a connecting pipe (15), hydraulic oil is filled in the piston cylinder (16), the connecting pipe (15) and the sealing cylinder (14), a moving rod is movably connected inside the piston cylinder (16), the end portion of the moving rod penetrates through the piston cylinder (16) and extends to the outside to be fixedly connected with a moving block (17), and the moving block (17) is fixedly connected with the extension surface (19) through an elastic rod (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210560240.1A CN114649688B (en) | 2022-05-23 | 2022-05-23 | Low-power-consumption multi-beam satellite antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210560240.1A CN114649688B (en) | 2022-05-23 | 2022-05-23 | Low-power-consumption multi-beam satellite antenna |
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| CN114649688A true CN114649688A (en) | 2022-06-21 |
| CN114649688B CN114649688B (en) | 2022-07-22 |
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| CN116318375A (en) * | 2023-05-24 | 2023-06-23 | 亚太卫星宽带通信（深圳）有限公司 | Multi-scale satellite communication equipment and communication beam coverage method thereof |
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| CN115084824A (en) * | 2022-08-16 | 2022-09-20 | 亚太卫星宽带通信（深圳）有限公司 | Folding type anti-vibration satellite-borne antenna and using method thereof |
| CN115084824B (en) * | 2022-08-16 | 2022-10-25 | 亚太卫星宽带通信（深圳）有限公司 | Folding type anti-vibration satellite-borne antenna and using method thereof |
| CN116318375A (en) * | 2023-05-24 | 2023-06-23 | 亚太卫星宽带通信（深圳）有限公司 | Multi-scale satellite communication equipment and communication beam coverage method thereof |
| CN116318375B (en) * | 2023-05-24 | 2023-08-22 | 亚太卫星宽带通信（深圳）有限公司 | Multi-scale satellite communication equipment and communication beam coverage method thereof |
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| CN114649688B (en) | 2022-07-22 |
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