Can compatible C/Ku wave band automatically seek the star antenna
Technical field
The present invention relates to a kind of satellite communication antena, relate in particular to a kind of satellite communication antena of realizing seeking based on C-band, two kinds of frequency ranges of Ku wave band star.
Background technology
The continuous development of using along with communication technology of satellite, just more and more general to the application of the system of star automatically to the control satellite antenna, therefore more and more higher to the specification requirement of the device of star automatically to the control satellite antenna.In real process, satellite resource commonly used has C-band and Ku wave band, present seeking stars by using satellite antenna is based on a certain wave band, based on C-band or based on the Ku wave band, if want not only to use the C-band signal resource but also can use Ku band signal resource, can only use two kinds of satellite antennas to realize at present.In actual mechanical process, need control two antennas, and simultaneously two antennas are integrated in such as also existing inconvenience on the motor devices such as satellite communications vehicle.What the present invention relates to a kind ofly can realize that compatible C/Ku wave band antenna can solve above-mentioned inconvenience, this antenna both can realize based on C-band automatically seek star, also can realize automatically seeking star based on the Ku wave band.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of can compatible C/Ku wave band automatically seek the star antenna, this antenna can either realize based on the C-band carrier wave automatically seek star, also can realize automatically seeking star based on Ku wave band carrier wave.This technical functionality is powerful, and is simple to operate, and that can improve the existing communication antenna seeks the star function.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of can compatible C/Ku wave band automatically seek the star antenna, comprise reception antenna, the electronic compass that is used for feedback reception antenna location reference, the GPS instrument that is used for feedback reception antenna longitude and latitude, the CPU process chip, be used for to what star information was sought in the input of CPU process chip seeking the star information input device, pitch control subsystem device and orientation control device, also comprise C-Ku wave band feed conversion equipment, this C-Ku wave band feed conversion equipment comprises the C-band feed, Ku wave band feed, C-band feed runner assembly, Ku wave band feed runner assembly and past complex line moving guide rail, described C-band feed and Ku wave band feed are installed in respectively on C-band feed runner assembly and the Ku wave band feed runner assembly accordingly, C-band feed runner assembly and Ku wave band feed runner assembly compartment of terrain are installed on the complex line moving guide rail, and the reflector focus of antenna surface is between C-band feed runner assembly and Ku wave band feed runner assembly, described CPU process chip is according to seeking the star information of seeking that the star information input device is imported, the reception antenna longitude and latitude that the reception antenna location reference that electronic compass feeds back and GPS instrument feed back is controlled the pitch control subsystem device automatically, orientation control device and past complex line moving guide rail running; Need to determine the C-band feed to receive signal when seeking the star information of seeking that the star information input device imports, under the control of CPU process chip, described past complex line moving guide rail driving C-band feed runner assembly and C-band feed move to together with the reflector focus of antenna surface and overlap, and control described C-band feed runner assembly rotation simultaneously to required polarizing angle; Need to determine Ku wave band feed to receive signal when seeking the star information of seeking that the star information input device imports, under the control of CPU process chip, described past complex line moving guide rail driving Ku wave band feed runner assembly and Ku wave band feed move to together with the reflector focus of antenna surface and overlap, and control described Ku wave band feed runner assembly rotation simultaneously to required polarizing angle.
Described Ku wave band feed runner assembly comprises first housing, first drive motors, first worm-and-wheel gear, the first left-handed rotation stop and the first dextrad rotary stopper device, described first worm-and-wheel gear comprises first worm gear that is connected, the first worm gear rotating shaft and first worm screw, described first drive motors, first worm screw and the first worm gear rotating shaft are installed in first housing, and the output of first drive motors is connected with first worm screw by first driving gear pair, the two ends of the described first worm gear rotating shaft are provided with adpting flange, this first worm gear rotating shaft is connected with Ku wave band feed, the described first left-handed rotation stop and the first dextrad rotary stopper device are electrically connected with first drive motors all respectively, and described CPU process chip realizes determining of Ku wave band feed polarizing angle by the rotation of control first drive motors.
The described first left-handed rotation stop and the first dextrad rotary stopper device comprise that all respectively the rotary stopper switch re-packs and the rotary stopper switch, described rotary stopper switch re-packs and is installed on first worm gear, the rotary stopper switch then is installed in first housing, and the rotary stopper switch re-packs and the rotary stopper switch between angle be not more than 90 °.
Described C-band feed runner assembly comprises second housing, second drive motors, second worm-and-wheel gear, the second left-handed rotation stop and the second dextrad rotary stopper device, described second worm-and-wheel gear comprises second worm gear that is connected, the second worm gear rotating shaft and second worm screw, described second drive motors, second worm screw and the second worm gear rotating shaft are installed in second housing, and the output of second drive motors is connected with second worm screw by second driving gear pair, the two ends of the described second worm gear rotating shaft are provided with adpting flange, this second worm gear rotating shaft is connected with the C-band feed, the described second left-handed rotation stop and the second dextrad rotary stopper device are electrically connected with second drive motors all respectively, and described CPU process chip realizes determining of C-band feed polarizing angle by the rotation of control second drive motors.
The described second left-handed rotation stop and the second dextrad rotary stopper device comprise that all respectively the rotary stopper switch re-packs and the rotary stopper switch, described rotary stopper switch re-packs and is installed on second worm gear, the rotary stopper switch then is installed in second housing, and the rotary stopper switch re-packs and the rotary stopper switch between angle be not more than 90 °.
Described past complex line moving guide rail comprises base, ball screw framework, left-hand moves stop and dextrad moves stop, described ball screw framework comprises screw rod, chute, ball bearing and the 3rd drive motors, described the 3rd drive motors is installed on the base, and the 3rd drive motors is connected with screw rod by the 3rd gear driving pair, simultaneously, screw rod supports by the spiro rod support that is fixedly mounted on the base, described chute is connected with screw rod by ball bearing, in addition, described left-hand moves stop and dextrad and moves stop and be electrically connected with the 3rd drive motors all respectively, described Ku wave band feed runner assembly and C-band feed runner assembly are installed on the chute compartment of terrain respectively, and described CPU process chip moves by rotation realization C-band feed runner assembly and the exchange of Ku wave band feed runner assembly on screw rod of controlling the 3rd drive motors.
Described left-hand moves stop and dextrad and moves stop and comprise that all respectively mobile limit switch re-packs and mobile limit switch, and described mobile limit switch re-packs and is fixedly mounted on the base, and mobile limit switch then is installed on the chute.
According to above technical scheme, can realize following beneficial effect:
1, the present invention is from the mechanical structure angle, adopt toward the complex line moving guide rail, the C-band feed is installed on the complex line moving guide rail compartment of terrain respectively by two runner assemblies corresponding with it with Ku wave band feed, move by this past complex line toward the complex line moving guide rail, realize that C-band feed or Ku wave band feed are to the reception of antenna surface reflector focus, hence one can see that: the present invention compares to carry out the reception of C-band feed or Ku wave band feed simultaneously with adopting two surface antennas, the inconvenience of having avoided two surface antennas to carry effectively overcomes two surface antennas and installs, difficulty to the star use; Compare and share Feed Horn with the C-Ku wave band, because C-band feed of the present invention and the split of Ku wave band feed arrange, and there are certain spacing in C-band feed and Ku wave band feed, be that both are when receiving C-band signal and Ku band signal, the phase mutual interference is less, overcome the C-Ku wave band effectively and shared Feed Horn to the harmful effect that antenna gain, stationary wave characteristic, cross polarization isolation produce, also avoided producing the difficulty that design C-Ku wave band shares Feed Horn simultaneously;
2, the present invention adopts stepping motor (the 3rd drive motors), left-hand to move stop and dextrad to move the stop three and control past complex line shift motion toward the complex line moving guide rail, simultaneously the antenna surface reflector focus is projected this on the center line of complex line moving guide rail, improve the difficulty that star is used effectively, improved the operating efficiency that C-band feed or Ku wave band feed receive;
3, the present invention adopts stepping motor (first drive motors, second drive motors), worm-and-wheel gear and rotary stopper device three's cooperation, realize the adjustment of C-band feed/Ku wave band feed polarization angle, reach optimum state with the reception of guaranteeing C-band signal or Ku band signal;
Therefore, the present invention is simple and compact for structure, and the conversion reception of C-band signal and Ku band signal and the adjustment of polarizing angle are all automation control, and be convenient and practical, has extremely strong practicality in satellite communication system.
Description of drawings
Fig. 1 is signal processing figure of the present invention;
Fig. 2 is control flow chart of the present invention;
Fig. 3 is the structural representation of C-Ku wave band feed conversion equipment of the present invention, and C-band feed tuner is in vertical position state;
Fig. 4 is the vertical view of Fig. 3, and C-band feed tuner is horizontal state among Fig. 2;
Among Fig. 3 and Fig. 4: shell 1 cushion block 2 Ku wave band feed runner assemblies 3 C-band feed runner assemblies 4 are toward 10 supply sockets 11 of complex line moving guide rail 5 C-band feed tuners 6 Ku wave band feeds 7 C-band feeds 8 Ku wave band feed waveguide connecting portions 9 C-band feed waveguide connecting portions
Fig. 5 is the front view of Ku wave band feed runner assembly of the present invention;
Fig. 6 is the A-A cutaway view of Fig. 5;
Among Fig. 5 and Fig. 6: first housing, 31 first driven wheels, 321 first travelling gears, 322 first drive motors, 323 first worm gear rotating shafts, 331 first worm gears, 332 first worm screws, 333 first rotary stopper switches, 341 second rotary stopper switches, 342 second rotary stopper switches, 35 plugs, 36 first end caps 37 that re-pack that re-pack
Fig. 7 is the front view of C-band feed runner assembly of the present invention;
Fig. 8 is the B-B cutaway view of Fig. 7;
Among Fig. 7 and Fig. 8: second housing, 41 second driven wheels, 421 second travelling gears, 422 second drive motors, 423 second worm gear rotating shafts, 431 second worm gears, 432 second worm screws 433 the 3rd rotary stopper switch, 441 the 4th rotary stopper switches, 442 the 4th rotary stopper switches, 45 second end caps 46 that re-pack that re-pack
Fig. 9 is the front view toward the complex line moving guide rail of the present invention;
Figure 10 is the vertical view of Fig. 9 of the present invention;
Figure 11 is that the C of Fig. 9 of the present invention is to view;
Among Fig. 9 to Figure 11: base 51 screw rods 521 chutes 522 the 3rd drive motors 523 the 3rd driven wheel 524 the 3rd travelling gear 525 spiro rod supports 53 move left limit switch 541 limit switches that move right that re-pack and re-pack and 542 move left limit switch 551 limit switch 552 the 3rd end cap 56 copper bars 57 press strips 58 that move right.
Embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved in the present invention without limitation, explains technical scheme of the present invention below with reference to accompanying drawing.
Shown in Fig. 1 to 4, of the present invention can compatible C/Ku wave band automatically seek the star antenna, comprise reception antenna, the electronic compass that is used for feedback reception antenna location reference, the GPS instrument that is used for feedback reception antenna longitude and latitude, the CPU process chip, be used for to what star information was sought in the input of CPU process chip seeking the star information input device, pitch control subsystem device and orientation control device, also comprise C-Ku wave band feed conversion equipment, this C-Ku wave band feed conversion equipment comprises C-band feed 8, Ku wave band feed 7, C-band feed runner assembly 4, Ku wave band feed runner assembly 3, C-band feed tuner 6, Ku wave band feed tuner, Ku wave band feed waveguide connecting portion 9, C-band feed waveguide connecting portion 10 and past complex line moving guide rail 5, described C-band feed runner assembly 4 and Ku wave band feed runner assembly 3 are installed on complex line moving guide rail 5 by shell 1 compartment of terrain, and the reflector focus of antenna surface is between C-band feed runner assembly 4 and Ku wave band feed runner assembly 3.C-band feed 8 and C-band feed tuner 6 are installed in C-band feed runner assembly 4 two ends respectively, Ku wave band feed 7 and Ku wave band feed tuner then are installed in the two ends of Ku wave band feed runner assembly 3 respectively, simultaneously, Ku wave band feed waveguide connecting portion 9 arranges with Ku wave band feed tuner homonymy, and this Ku wave band feed waveguide connecting portion 9 also is connected with Ku wave band feed runner assembly 3; C-band feed waveguide connecting portion 10 and the 6 homonymy settings of C-band feed tuner, and this C-band feed waveguide connecting portion 10 also is connected with C-band feed runner assembly 4, described CPU process chip is according to seeking the reception antenna longitude and latitude that the star information of seeking that the star information input device imports, reception antenna location reference that electronic compass feeds back and GPS instrument feed back, and controls pitch control subsystem device, orientation control device automatically and toward 5 runnings of complex line moving guide rail; Need to determine C-band feed 8 to receive signals when seeking the star information of seeking that the star information input device imports, under the control of CPU process chip, described C-band feed runner assembly 4 drives C-band feeds 8 and overlaps moving to the reflector focus of antenna surface toward complex line moving guide rail 5, controls C-band feed runner assembly 4 simultaneously and rotates extremely required polarizing angle; Need to determine Ku wave band feed to receive signal when seeking the star information of seeking that the star information input device imports, under the control of CPU process chip, described Ku wave band feed runner assembly 3 drives Ku wave band feeds and overlaps moving to the reflector focus of antenna surface toward complex line moving guide rail 5, controls Ku wave band feed runner assembly 3 simultaneously and rotates extremely required polarizing angle.Be that the present invention the compartment of terrain is installed in C-band feed 8 on complex line moving guide rail 5 respectively by two runner assemblies corresponding with it with Ku wave band feed, the reflector focus of antenna surface is incident upon between C-band feed 8 and the Ku wave band feed simultaneously, then, move by the past complex line toward complex line moving guide rail 5, realize the reception of C-band feed 8 or Ku wave band feed and antenna surface reflector focus, rotation by corresponding runner assembly at last realizes C-band feed 8 or the adjustment of Ku wave band feed polarised direction, makes to receive corresponding satellite-signal.The control method of described pitch control subsystem device and orientation control device can adopt the control method among the Chinese patent ZL200610085501.x.
Described Ku wave band feed runner assembly 3, as shown in Figure 3 and Figure 4: comprise first housing 31, first drive motors 323, first worm-and-wheel gear, the first left-handed rotation stop and the first dextrad rotary stopper device, described first worm-and-wheel gear comprises first worm gear 332 that is connected, the first worm gear rotating shaft 331 and first worm screw 333, described first drive motors 323, first worm screw 333 and the first worm gear rotating shaft 331 are installed in first housing 31, and the output of first drive motors 323 is connected with first worm screw 333 by first driving gear pair, the two ends of the described first worm gear rotating shaft 331 are provided with adpting flange, these first worm gear rotating shaft, 331 1 ends are connected with Ku wave band feed, and the described first left-handed rotation stop and the first dextrad rotary stopper device are electrically connected with first drive motors 323 all respectively.The described first left-handed rotation stop and the first dextrad rotary stopper device comprise that all respectively the rotary stopper switch re-packs and the rotary stopper switch, described rotary stopper switch re-packs and is installed on first worm gear 332, the rotary stopper switch then is installed in first housing 31, and the rotary stopper switch re-packs and the rotary stopper switch between angle be not more than 90 °, simultaneously the rotary stopper switch be electrically connected 323 electrical connections of first drive motors, and this rotary stopper switch is normally closed switch, and described CPU process chip realizes determining of Ku wave band feed polarizing angle by the rotation of control first drive motors 323.Specifically: first driven wheel 321 and first travelling gear are meshed and form first driving gear pair, and first driven wheel 321 is connected with the output shaft of first drive motors 323 is coaxial; The first left-handed rotation stop then is made up of the first rotary stopper switch, the 341 and first rotary stopper switch that re-packs, and the first dextrad rotary stopper device is made up of the second rotary stopper switch, the 342 and second rotary stopper switch 35 that re-packs; When worm gear turns clockwise along with the driving of first drive motors 323, offset up to the second rotary stopper switch, the 342 and second rotary stopper switch 35 that re-packs, circuit disconnects, and first drive motors 323 stops to drive; When worm gear is rotated counterclockwise along with the driving of first drive motors 323, offset up to the first rotary stopper switch, the 341 and first rotary stopper switch that re-packs, circuit disconnects, and first drive motors 323 stops to drive.Realize the adjustment of Ku band signal polarizing angle.
Described C-band feed runner assembly 4, as shown in Figure 5 and Figure 6, comprise second housing 41, second drive motors 423, second worm-and-wheel gear, the second left-handed rotation stop and the second dextrad rotary stopper device, described second worm-and-wheel gear comprises second worm gear 432 that is connected, the second worm gear rotating shaft 431 and second worm screw 433, described second drive motors 423, second worm screw 433 and the second worm gear rotating shaft 431 are installed in second housing 41, and the output of second drive motors 423 is connected with second worm screw 433 by second driving gear pair, the two ends of the described second worm gear rotating shaft 431 are provided with adpting flange, this second worm gear rotating shaft 431 is connected with the C-band feed, and the described second left-handed rotation stop and the second dextrad rotary stopper device are electrically connected with second drive motors 423 all respectively.The described second left-handed rotation stop and the second dextrad rotary stopper device comprise that all respectively the rotary stopper switch re-packs and the rotary stopper switch, described rotary stopper switch re-packs and is installed on second worm gear 432, the rotary stopper switch then is installed in second housing 41, and the rotary stopper switch re-packs and the rotary stopper switch between angle be not more than 90 °, simultaneously the rotary stopper switch be electrically connected 323 electrical connections of first drive motors, and this rotary stopper switch is normally closed switch, and described CPU process chip realizes determining of C-band feed polarizing angle by the rotation of control second drive motors 423.Specifically: second driven wheel and second travelling gear are meshed and form second driving gear pair, and second driven wheel is connected with the output shaft of second drive motors 423 is coaxial; The second left-handed rotation stop then is made up of the 3rd rotary stopper switch the 441 and the 3rd rotary stopper switch that re-packs, and the second dextrad rotary stopper device is made up of the 4th rotary stopper switch the 42 and the 4th rotary stopper switch 45 that re-packs; When worm gear turns clockwise along with the driving of second drive motors 423, offset up to the 3rd rotary stopper switch the 441 and the 3rd rotary stopper switch that re-packs, circuit disconnects, and second drive motors 423 stops to drive; When worm gear is rotated counterclockwise along with the driving of second drive motors 423, offset up to the 4th rotary stopper switch the 42 and the 4th rotary stopper switch 45 that re-packs, circuit disconnects, and second drive motors 423 stops to drive.Realize the adjustment at C-band polarizations angle.
Described toward complex line moving guide rail 5, as shown in Figs. 7-9: as to comprise base 51, ball screw framework, left-hand moves stop and dextrad moves stop, described ball screw framework comprises screw rod 521, chute 522, ball bearing and the 3rd drive motors 523, described the 3rd drive motors 523 is installed on the base 51, and the 3rd drive motors 523 is connected with screw rod 521 by the 3rd gear driving pair, simultaneously, screw rod 521 supports by the spiro rod support 53 that is fixedly mounted on the base 51, described chute 522 is connected with screw rod 521 by ball bearing, in addition, described left-hand moves stop and dextrad and moves stop and be connected with the 3rd drive motors 523 all respectively, and described Ku wave band feed runner assembly 3 and C-band feed runner assembly 4 are installed on the chute 522 compartment of terrain respectively.Described left-hand moves stop and dextrad and moves stop and comprise that all respectively mobile limit switch re-packs and mobile limit switch, and described mobile limit switch re-packs and is fixedly mounted on the base 51, and mobile limit switch then is installed on the chute 522.Mobile limit switch is normally closed switch, it is connected electrically in the 3rd drive motors 523, and described CPU process chip moves by rotation realization C-band feed runner assembly 4 and the exchange of Ku wave band feed runner assembly 3 on screw rod 521 of controlling the 3rd drive motors 523.Specifically: the 3rd gear driving pair is meshed by the 3rd driven wheel 524 and the 3rd travelling gear 525 and forms, and the 3rd driven wheel 524 is connected with the output shaft of the 3rd drive motors 523 is coaxial, the 3rd travelling gear 525 then with 521 coaxial connections of screw rod, described left-hand moves stop and re-packs 541 and move left limit switch 551 and form by moving left limit switch, dextrad move stop by the limit switch that moves right re-pack 542 and the limit switch 552 that moves right form, describedly move left limit switch 551 and the limit switch 552 that moves right is all normally closed switch; Described base 51 is assembled by screw by base plate and press strip 58, this base 51 is one to contain the track of inner groovy, copper bar 57 is installed by screw in the two bottom sides limit of described chute 522, make chute 522 two bottom sides limits that the end ear is set, and the inner groovy of end ear and base 51 is suitable, when chute 522 on base 51 during slippage, the end ear is mobile in inner groovy.
Described first drive motors 323, second drive motors 423 and the 3rd drive motors 523 are all stepping motor.
Antenna C-Ku wave band feed conversion method of the present invention, may further comprise the steps: at first, the C-band feed is installed on complex line moving guide rail 5 compartment of terrain respectively by two runner assemblies corresponding with it with Ku wave band feed, the reflector focus of antenna surface is incident upon between C-band feed and the Ku wave band feed simultaneously, then, move by the past complex line toward complex line moving guide rail 5, realize C-band feed or Ku wave band feed to the reception of antenna surface reflector focus, the rotation by corresponding runner assembly at last realizes C-band feed or the adjustment of Ku wave band feed polarised direction.
The star information input device of seeking of the present invention can be computer operation platform, perhaps other guidance panel, the CPU process chip is connected with computer bidirectional by communication interfaces such as USB, the CPU process chip receives the signal of electronic compass and GPS output, and the CPU process chip also receives the instruction that the user sends by guidance panel.The CPU process chip is handled the signal that receives and is sent instruction to pitch control subsystem device, orientation control device, C-Ku wave band feed conversion equipment and control, and in addition, the present invention realizes the screen display of data by being connected with display screen.
The horizontal displacement that the CPU process chip realizes toward complex line moving guide rail 5 by control the 3rd drive motors 523, realize direction and the angle that Ku wave band feed rotates by controlling first drive motors 323, by controlling 423 rotation direction and angles that realize that the C-band feed rotates of second drive motors.
The star antenna of automatically seeking that can compatible C/Ku wave band of the present invention realizes that principle is as follows:
Electronic compass and GPS provide the present longitude and latitude of antenna and location reference respectively, guidance panel or computer provide antenna, and which satellite wants target-seeking be, need use the feed of which wave band with antenna, after the process cpu chip is correspondingly handled, CPU with the result after handling send to pitch control subsystem device and orientation control device, carry out the pitching of antenna and the automatic control on the orientation, preferably when carrying out feed both during the control of feed polarised direction, at first the CPU process chip still is that Ku wave band feed head is judged according to the needs use C-band feed head of guidance panel input, C-band feed head is positioned at the left side of the horizontal converter device of C/Ku wave band, and Ku wave band feed head is positioned at the right side of the horizontal converter device of C/Ku wave band.When confirming to need to use C-band feed head, the CPU process chip is sent instruction and is given the 3rd drive motors 523, make its control mobile to the left toward complex line moving guide rail 5, make C-band feed head just in time move to the focal position on the antenna surface during mobile relevant position, this moment, C-band feed hair was waved effect, the satellite of the signal that the CPU process chip provides according to electronic compass and GPS instrument and the required searching imported from operating terminal, carry out data computation, can calculate the polarization angle of feed, this moment, the CPU process chip was controlled second drive motors 423, the polarised direction that needs the polarization angular turn C-band feed of how many degree is so that its polarization angle can reach desired angle.Same, when confirming to need to use Ku wave band feed head, the CPU process chip is sent instruction and is given the 3rd drive motors 523, make its control mobile to the right toward complex line moving guide rail 5, make Ku wave band feed head just in time move to the focal position on the antenna surface during mobile relevant position, this moment, Ku wave band feed hair was waved effect, the satellite of the signal that the CPU process chip provides according to electronic compass and GPS and the required searching imported from operating terminal, carry out data computation, can calculate the polarization angle of feed, this moment, the CPU process chip was controlled first drive motors 323, the polarised direction that needs the polarization angular turn Ku wave band feed of how many degree is so that its polarization angle can reach desired angle.