CN210093228U - On-vehicle compact laser communication integration optics base station - Google Patents
On-vehicle compact laser communication integration optics base station Download PDFInfo
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- CN210093228U CN210093228U CN201921321184.6U CN201921321184U CN210093228U CN 210093228 U CN210093228 U CN 210093228U CN 201921321184 U CN201921321184 U CN 201921321184U CN 210093228 U CN210093228 U CN 210093228U
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Abstract
The utility model belongs to the technical field of laser communication mechanical engineering, in particular to a vehicle-mounted compact laser communication integrated optical base station; the compact laser communication integrated optical base station adopts the dove prism to convert the light path and integrates the communication receiving optical system, the communication transmitting optical system, the beacon observing optical system and the beacon tracking optical system, and the size and the weight of the laser communication terminal are reduced.
Description
Technical Field
The utility model belongs to the technical field of laser communication mechanical engineering, concretely relates to on-vehicle compact laser communication integration optics base station.
Background
In recent decades, the application field of the space laser communication technology has been expanded from the aerospace field to aviation, sea and the ground, and in order to perform high-speed communication in a complex environment, for example, in mountainous areas where communication is blocked due to natural disasters such as earthquake and debris flow, or in news vehicles which can be conveniently moved for live broadcasting, and the like.
The vehicle-mounted wireless laser communication system has increasing requirements, and the laser communication system is high in communication speed and strong in anti-electromagnetic interference capability and is very suitable for high-speed secret communication at medium and short distances. Laser communication has requirements on communication space, and the laser communication cannot be shielded, light cannot be transmitted once being shielded, and because complicated vegetation distribution and terrain and landform can occur in an actual communication environment, the sight condition of a laser communication link is difficult to guarantee, so that a laser communication terminal is usually matched with a vehicle-mounted mast system for use. A very high mast is erected on a vehicle to pull up the optical transceiver, so that the optical transceiver is disturbed by wind at a high position, and the mast can be unstable and slightly shakes when the optical transceiver is lifted higher, so that the smaller the volume and the smaller the weight of the laser communication transceiver are, the more the adverse effects are reduced.
Therefore, in order to improve the communication quality of the laser communication optical transceiver, reduce the total windward area of the mast system and the laser communication terminal, reduce the lateral wind pressure between the mast and the laser communication terminal, and improve the overall stability of the mast system, the volume and the weight of the laser communication terminal need to be reduced. The optical base station which ensures the thermal stability of the whole optical system is used as a core component of the laser communication terminal, bears the whole optical system, and bears the connection and support of the optical system and the turntable, and the integrated design of the optical base station and the turntable plays a role in determining the volume and the weight of the laser communication terminal.
Disclosure of Invention
In order to overcome the problem, the utility model provides a vehicle-mounted compact laser communication integration optical base station is one kind and adopts the dove prism to turn over the light path to collect communication receiving optical system, communication emission optical system, beacon observation optical system, beacon tracking optical system in compact laser communication integration optical base station of an organic whole, alleviateed laser communication terminal's volume and weight.
The utility model discloses a scheme do:
a vehicle-mounted compact laser communication integrated optical base station comprises a communication receiving optical system 1, a beacon tracking optical system 2, a beacon transmitting optical system 4, a beacon observation optical system 5, a beacon observation analog camera 9, a CCD (charge coupled device) camera 10, an APD (avalanche photo diode) detector 12, a communication transmitting optical system 14 and a dove prism group 13;
the communication receiving optical system 1 comprises a communication receiving lens barrel 11, a first lens 1104, a second lens 1105, a third lens 1106, a fourth lens 1107, a fifth lens 1108, a sixth lens 1109, a narrowband filter 1110, a first threaded pressing ring 1111, a second threaded pressing ring 1112, a first spacer 1113, a fourth spacer 1114, a second spacer 1115 and a third spacer 1116; the communication receiving lens barrel 11 is an integrated component and is divided into a cylindrical barrel 1101, a square barrel 1102 and a barrel bottom 1103, wherein the cylindrical barrel 1101 and the square barrel 1102 are both located above the barrel bottom 1103, the square barrel 1102 is located behind the cylindrical barrel 1101, an outer side surface of the square barrel 1102 is a detector connecting surface 111, a first side plate is arranged at the top end of the square barrel 1102, the top surface of the first side plate is a camera connecting surface 112, a second side plate is arranged opposite to the detector connecting surface 111 on the square barrel 1102, the top surface of the second side plate is an outer side surface 114, the end surface of the rear end of the square barrel 1102 is a dove prism group connecting surface 117, a hole 1171 is formed in the dove prism group connecting surface 117, a communication emission connecting surface 118 is arranged on the bottom surface of the barrel bottom 1103, a beacon tracking connecting surface 113, a beacon emission connecting surface 115, a beacon observation connecting surface 116 and a servo turntable inner frame connecting surface 119 used for being connected The beacon tracking connecting surface 113, the beacon transmitting connecting surface 115 and the beacon observing connecting surface 116 are respectively provided with through holes; the first lens 1104, the second lens 1105 and the third lens 1106 are sequentially arranged in the front of the cylindrical barrel 1101 of the communication receiving lens barrel 11 and are in shaft fit connection with the cylindrical barrel 1101 of the communication receiving lens barrel 11, space rings are arranged between the third lens 1106 and the second lens 1105 and between the second lens 1105 and the first lens 1104, the space rings are in shaft fit connection with the cylindrical barrel 1101 of the communication receiving lens barrel 11, and a threaded pressing ring is in threaded connection with the cylindrical barrel 1101 of the communication receiving lens barrel 11 outside the third lens 1106;
adjusting an APD detector 12 to be in bolted connection with a detector connecting surface 111 of the communication receiving optical system 1, a CCD camera 10 is in bolted connection with a camera connecting surface 112 of the communication receiving optical system 1, a CCD camera gasket 15 is arranged between the CCD camera 10 and the camera connecting surface 112, a beacon tracking optical system 2 penetrates through a through hole in a beacon tracking connecting surface 113 to be in shaft fit connection with a lens cone hole in the CCD camera 10 and is in bolted connection with the beacon tracking connecting surface 113, and a beacon tracking system gasket 3 is arranged between the beacon tracking optical system 2 and the beacon tracking connecting surface 113;
the beacon observation analog camera 9 is bolted on the outer side surface 114 of the communication reception optical system 1, and a beacon observation analog camera spacer 8 is provided between the beacon observation analog camera 9 and the outer side surface 114,
the beacon observation optical system 5 passes through a through hole on the beacon observation connecting surface 116 to be connected with a lens barrel hole shaft of the beacon observation analog camera 9 in a matching manner, and is connected on the beacon observation connecting surface 116 by a bolt, and a beacon observation system gasket 6 is arranged between the beacon observation optical system 5 and the beacon observation connecting surface 116;
the beacon emission optical system 4 passes through a through hole on the beacon emission connection surface 115 and is bolted on the beacon emission connection surface 115, and a beacon emission system gasket 7 is arranged between the beacon emission optical system 4 and the beacon emission connection surface 115;
the dove prism group 13 is bolted to the dove prism group connection surface 117 of the communication-receiving optical system 1, and the communication-transmitting optical system 14 is bolted to the communication-transmitting connection surface 118 of the communication-receiving optical system 1.
The dove prism group 13 comprises a lens base 131, a protective cover 132 and a dove prism 133, wherein the lens base 131 comprises a rectangular body 1301, a thick positioning connecting plate 134 and a rear connecting plate 1302, the thick positioning connecting plate 134 and the rear connecting plate 1302 are respectively arranged on two opposite surfaces of the rectangular body 1301, the upper end and the lower end of the rectangular body 1301 are respectively provided with a through hole 1303, the rear connecting plate 1302 is provided with a cylindrical boss 135, the cylindrical boss 135 is provided with a through hole, the through hole is communicated with the through hole 1303 at the upper end of the rectangular body 1301, the protective cover 132 is positioned outside the thick positioning connecting plate 134 and fixed on the rectangular body 1301, the dove prism 133 is fixed on the thick positioning connecting plate 134 and is also positioned in the protective cover 132, and the dove prism 133 is attached to a dove prism connecting surface 131;
a narrow-band filter 1110, a spacer ring four 1114, a lens four 1107 and a spacer ring one 1113 are sequentially arranged in a through hole 1303 at the upper end of the rectangular body 1301, one end of a threaded pressing ring two 1112 penetrates through the through hole on the cylindrical boss 135 to be in contact with the spacer ring one 1113, the threaded pressing ring two is tightly pressed and is in threaded connection with the through hole of the cylindrical boss 135, and the other end of the threaded pressing ring two 1112 is positioned inside the square cylinder 1102 of the communication receiving lens barrel 11;
a second space ring 1115, a fifth lens 1108, a third space ring 1116, a sixth lens 1109 and a first threaded pressing ring 1111 are sequentially arranged in a through hole 1303 at the lower end of the rectangular body 1301, wherein the first threaded pressing ring 1111 is in threaded connection with the through hole 1303 at the lower end of the rectangular body 1301;
dove prism group 13 is connected in hole 1171 through hole axis matching of cylindrical boss 135, and dove prism group 13 is further connected on dove prism group connecting surface 117 through bolt of rear connecting plate 1302.
The coarse positioning connection plate 134 is provided with a glue injection hole 1312, and the dove prism 133 is adhered to the coarse positioning connection plate 134 by injecting glue into the glue injection hole 1312.
The utility model has the advantages that:
optical system is received in communication leads to overall structure axial length overlength because its optics propagation path overlength, can make whole optics base station too big, the utility model discloses select the dove prism and turn over the light path, reduce the volume of optics base station, and then just can reduce the volume and the weight of optical transmitter and receiver.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the communication receiving lens barrel of the present invention.
Fig. 3 is a schematic view of the structure of the communication receiving lens barrel of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
Fig. 5 is a schematic view of the lens holder structure of the dove prism group of the present invention.
Fig. 6 is a schematic view of the lens holder structure of the dove prism group of the present invention.
Fig. 7 is a schematic view of a waffle mirror set according to the present invention.
Wherein: 1 communication receiving optical system, 11 communication receiving lens barrel, 1101 cylindrical barrel, 1102 square barrel, 1103 barrel bottom, 1104 lens I, 1105 lens II, 1106 lens III, 1107 lens IV, 1108 lens V, 1109 lens VI, 1110 narrowband filter, 1111 screw press ring I, 1112 screw press ring II, 1113 space ring I, 1114 space ring IV, 1115 space ring II, 1116 space ring III, 111 detector connection surface, 112 camera connection surface, 113 beacon tracking connection surface, 114 outer side surface, 115 beacon emission connection surface, 116 beacon observation connection surface, 117 dove prism group connection surface, 1171 hole, 118 communication emission connection surface, 119 servo turntable inner frame connection surface, 2 beacon tracking optical system, 3 beacon tracking system gasket, 4 beacon emission optical system, 5 beacon observation optical system, 6 beacon observation system gasket, 7 beacon emission system gasket, 8 beacon observation analog camera gasket, The device comprises a 9 beacon observation analog camera, a 10CCD camera, a 12APD detector, a 13 dove prism group, a 131 lens base, a 1301 rectangular body, a 1302 rear connecting plate, a 1303 through hole, a 1311 dove prism connecting surface, a 1312 glue injection hole, a 132 protective cover, a 133 dove prism, a 134 coarse positioning connecting plate, a 135 cylindrical boss, a 14 communication emission optical system, a 15CCD camera gasket, an A inlet and a B outlet.
Detailed Description
As shown in fig. 1, a vehicle-mounted compact laser communication integrated optical base station includes a communication receiving optical system 1, a beacon tracking optical system 2, a beacon transmitting optical system 4, a beacon observing optical system 5, a beacon observing analog camera 9, a CCD camera 10, an APD detector 12, a communication transmitting optical system 14, and further includes a dove prism group 13;
the communication receiving optical system 1 comprises a communication receiving lens barrel 11, a first lens 1104, a second lens 1105, a third lens 1106, a fourth lens 1107, a fifth lens 1108, a sixth lens 1109, a narrowband filter 1110, a first threaded pressing ring 1111, a second threaded pressing ring 1112, a first spacer 1113, a fourth spacer 1114, a second spacer 1115 and a third spacer 1116;
as shown in fig. 2 and fig. 3, the communication receiving lens barrel 11 is an integral unit and is divided into a cylindrical barrel 1101, a square barrel 1102 and a barrel bottom 1103, wherein the cylindrical barrel 1101 and the square barrel 1102 are both located above the barrel bottom 1103, the square barrel 1102 is located behind the cylindrical barrel 1101, one outer side of the square barrel 1102 is a detector connecting surface 111, a first side plate is disposed at the top end of the square barrel 1102, the top surface of the first side plate is a camera connecting surface 112, a second side plate is disposed on the square barrel 1102 opposite to the detector connecting surface 111, the top surface of the second side plate is an outer side surface 114, the end surface of the rear end of the square barrel 1102 is a dove prism group connecting surface 117, a hole 1171 is disposed on the dove prism group connecting surface 117, the bottom surface of the barrel bottom 1103 is a communication transmitting connecting surface 118, and a beacon tracking connecting surface 113, a beacon tracking, The beacon tracking connection surface 113, the beacon emission connection surface 115 and the beacon observation connection surface 116 are respectively provided with a through hole; as shown in fig. 4, the first lens 1104, the second lens 1105 and the third lens 1106 are sequentially arranged inside the front of the cylindrical barrel 1101 of the communication receiving lens barrel 11 from inside to outside and are all in shaft fit connection with the cylindrical barrel 1101 of the communication receiving lens barrel 11, spacers are respectively arranged between the third lens 1106 and the second lens 1105 and between the second lens 1105 and the first lens 1104, the spacers are in shaft fit connection with the cylindrical barrel 1101 of the communication receiving lens barrel 11, and the threaded pressing ring is in threaded connection with the cylindrical barrel 1101 of the communication receiving lens barrel 11 outside the third lens 1106 to press the lenses tightly.
An adjusting APD detector 12 is bolted on a detector connecting surface 111 of a communication receiving optical system 1, a CCD camera 10 is bolted on a camera connecting surface 112 of the communication receiving optical system 1, a CCD camera gasket 15 is arranged between the CCD camera 10 and the camera connecting surface 112, a beacon tracking optical system 2 passes through a through hole on a beacon tracking connecting surface 113 and is bolted on a beacon tracking connecting surface 113 of the communication receiving optical system 1, the beacon tracking optical system 2 is in shaft fit connection with a lens cone hole on the CCD camera 10, a beacon tracking system gasket 3 is arranged between the beacon tracking optical system 2 and the beacon tracking connecting surface 113,
the beacon observation analog camera 9 is bolted on the outer side surface 114 of the communication reception optical system 1, and a beacon observation analog camera spacer 8 is provided between the beacon observation analog camera 9 and the outer side surface 114,
the beacon observation optical system 5 passes through a through hole on the beacon observation connection surface 116 and is bolted on the beacon observation connection surface 116 of the communication reception optical system 1, the beacon observation optical system 5 is in shaft fit connection with a lens barrel hole of the beacon observation analog camera 9, and a beacon observation system gasket 6 is arranged between the beacon observation optical system 5 and the beacon observation connection surface 116;
the beacon emission optical system 4 passes through a through hole on the beacon emission connection surface 115 and is bolted on the beacon emission connection surface 115 of the communication reception optical system 1, and a beacon emission system gasket 7 is provided between the beacon emission optical system 4 and the beacon emission connection surface 115;
the beacon emission optical system 4 is adjusted by grinding the beacon emission system gasket 7 so that the optical axis of the beacon emission optical system 4 is parallel to the optical axis of the communication receiving optical system 1, and the beacon emission optical system 4 emits beacon light with a large dispersion angle to provide a position beacon for the laser communication terminal.
The dove prism group 13 is bolted to the dove prism group connection surface 117 of the communication-receiving optical system 1, and the communication-transmitting optical system 14 is bolted to the communication-transmitting connection surface 118 of the communication-receiving optical system 1.
As shown in fig. 5, 6 and 7, the dove prism group 13 comprises a lens base 131, a protective cover 132 and a dove prism 133, wherein the lens base 131 comprises a rectangular body 1301, two coarse positioning connecting plates 134 and a rear connecting plate 1302,
wherein, the two coarse positioning connecting plates 134 and the rear connecting plate 1302 are respectively arranged on two opposite surfaces of the rectangular body 1301, the upper end and the lower end of the rectangular body 1301 are both provided with a through hole 1303, the rear connecting plate 1302 is provided with a cylindrical boss 135, the cylindrical boss 135 is provided with a through hole which is communicated with the through hole 1303 at the upper end of the rectangular body 1301,
the protective cover 132 is positioned outside the two coarse positioning connecting plates 134 and fixed on the rectangular body 1301, two side surfaces of the dove prism 133 are respectively and fixedly connected on the two coarse positioning connecting plates 134, the dove prism 133 is attached to a dove prism connecting surface 1311 on the rectangular body 1301, and meanwhile, the dove prism is also positioned in the protective cover 132;
a narrow band filter 1110, a spacer ring four 1114, a lens four 1107 and a spacer ring one 1113 are sequentially arranged in a through hole 1303 at the upper end of the rectangular body 1301 from right to left, the narrow band filter 1110, the spacer ring four 1114, the lens four 1107 and the spacer ring one 1113 are respectively in shaft fit connection with the rectangular body 1301 of the lens base 131, one end of a threaded pressing ring two 1112 is in threaded connection with a through hole of the cylindrical boss 135 and passes through the through hole on the cylindrical boss 135 to be in contact with the spacer ring one 1113 to tightly press the same, and the other end of the threaded pressing ring two 1112 is positioned in the square cylinder 1102 of the communication receiving lens barrel 11;
a second spacer 1115, a fifth lens 1108, a third spacer 1116, a sixth lens 1109 and a first threaded pressing ring 1111 are sequentially arranged in a through hole 1303 at the lower end of the rectangular body 1301 from right to left, the second spacer 1115 and the third spacer 1116 are respectively matched and connected with a hole of the rectangular body 1301 of the mirror base 131 in a shaft mode, the fifth lens 1108 is located between the second spacer 1115 and the third spacer 1116, the sixth lens 1109 is located between the first threaded pressing ring 1111 and the third spacer 1116, and the first threaded pressing ring 1111 is in threaded connection with the through hole at the lower end of the rectangular body 1301 to tightly press the lenses;
the dove prism group 13 is connected in a hole 1171 on the dove prism group connecting surface 117 in a shaft fit mode through a hole of the cylindrical boss 135, and the dove prism group 13 is further connected on the dove prism group connecting surface 117 through a bolt of the rear connecting plate 1302.
The coarse positioning connection plate 134 is provided with a glue injection hole 1312, and the dove prism 133 is adhered to the coarse positioning connection plate 134 by injecting glue into the glue injection hole 1312.
The dove prism group 13 is in shaft fit connection with a hole 1171 on the dove prism group connecting surface 117, the dove prism coarse positioning connecting plate 134 has a coarse positioning function on the dove prism, after the position of the dove prism 133 is adjusted, glue is injected into a glue injection hole on the dove prism coarse positioning connecting plate 134, the dove prism 133 is fixed between the two dove prism coarse positioning connecting plates 134, and then the whole dove prism group 13 is in bolt connection with the dove prism group connecting surface 117 through a rear connecting plate 1302, namely fixed on the communication receiving lens barrel 11.
When in use:
the first step is as follows: the mechanical structure communication receiving lens barrel 11 of the communication receiving optical system 1 is used as a main supporting part of an optical base, the dove prism group 13 is connected with the communication receiving lens barrel 11 in a hole-shaft matching mode and is fixed by 4 screws, the APD detector 12 is adjusted and is fixed on a detector connecting surface 111 of the communication receiving lens barrel 11 by 4 screws.
The second step is that: the beacon emission optical system 4 is connected to the beacon emission connection surface 115, the beacon emission optical system 4 is adjusted by grinding the beacon emission system spacer 7 so that the optical axis thereof is parallel to the optical axis of the communication reception optical system 1, the beacon emission optical system 4, the beacon emission system spacer 7 and the communication reception lens barrel 11 are fixed by screws, and the beacon emission optical system 4 emits beacon light to provide a position beacon for the laser communication terminal.
The third step: the beacon observation optical system 5 is connected to the beacon observation connection surface 116, the beacon observation optical system 5 is adjusted by grinding the beacon observation system spacer 6 so that the optical axis thereof is parallel to the optical axis of the communication reception optical system 1, and the beacon observation optical system 5, the beacon observation system spacer 6 and the communication reception barrel 11 are fixed with screws, and the beacon observation optical subsystem 5 rapidly scans a region where the partner communication terminal is likely to appear at an angle of view of 2 ° by the beacon observation analog camera 9 to capture the beacon light of the partner optical terminal.
The fourth step: the beacon tracking optical system 2 penetrates through a through hole on the beacon tracking connection surface 113 and is connected to the beacon tracking connection surface 113, the position relation of the beacon tracking optical system 2 relative to the communication receiving lens barrel 11 can be adjusted by grinding the thickness of the spacer 3 of the beacon observation system, namely, the optical axis of the beacon tracking optical system 2 is adjusted to be parallel to the optical axis of the communication receiving optical system 1, the beacon tracking optical system 2, the spacer 3 of the beacon observation system and the communication receiving lens barrel 11 are fixed by screws, and after the beacon light of an opposite party is successfully captured, the beacon light enters the field range of the beacon tracking optical system 2, and light spot position information for optical closed-loop tracking is provided for the rotary table.
The fifth step: the communication transmission optical system 14 is connected to the communication transmission connection surface 118 and fixed by screws, and the communication reception optical system 1 and the beacon transmission optical system 4 start communication after the system enters stable tracking.
The beacon observation optical system 5 and the beacon tracking optical system 2 are connected with the camera, namely, the beacon observation analog camera 9 and the CCD camera 10 are connected with each other, in order to avoid over-constraint during system installation, the CCD camera 10 and the beacon observation analog camera 9 are directly installed on a camera connecting surface 112 and an outer side surface 114 reserved on a main supporting structure of a communication receiving lens barrel 11, the camera and the lens barrel are matched through a clearance shaft hole, no connection relation is available, only a shading effect is realized, and a gasket under the beacon observation analog camera 9 is ground on the CCD camera 10: the CCD camera pad 15 and the beacon observation analog camera pad 8 can adjust the optical axes of the camera and the respective optical systems to be coaxial.
Light enters from the entrance a of the dove prism group 13, undergoes two reflections, and exits from the exit B. This makes it possible to fold the optical path in the communication-receiving optical system 1, and to reduce the axial volume of the communication-receiving optical system, and thus the axial volume of the entire optical base.
The beacon tracking optical system 2, the beacon transmitting optical system 4, the beacon observing optical system 5, the beacon observing analog camera 9 and the communication transmitting optical system 14 are all in the prior art, the detailed structural details are shown in Jiangyu and 20319which is a book of space laser communication technology and system of the first peak, the specific content is in chapter 3, the overall design of the space laser communication system is shown, and the 3.1 space laser communication optical transceiver system is formed.
The APD detector 12 is selected from the 12.5GH photodetectors available from bowey technologies.
The CCD camera 10 is a PHOTON FOCUS brand CCD camera with model number MV 1-D1024E-160-CL.
Claims (3)
1. A vehicle-mounted compact laser communication integrated optical base station comprises a beacon tracking optical system (2), a beacon transmitting optical system (4), a beacon observing optical system (5), a beacon observing analog camera (9), a CCD camera (10), an APD detector (12) and a communication transmitting optical system (14), and is characterized by further comprising a communication receiving optical system (1) and a dove prism group (13);
the communication receiving optical system (1) comprises a communication receiving lens cone (11), a first lens (1104), a second lens (1105), a third lens (1106), a fourth lens (1107), a fifth lens (1108), a sixth lens (1109), a narrowband filter (1110), a first threaded pressing ring (1111), a second threaded pressing ring (1112), a first spacer ring (1113), a fourth spacer ring (1114), a second spacer ring (1115) and a third spacer ring (1116); the communication receiving lens barrel (11) is an integrated piece and is divided into a cylindrical barrel body (1101), a square barrel body (1102) and a barrel bottom (1103), wherein the cylindrical barrel body (1101) and the square barrel body (1102) are located above the barrel bottom (1103), the square barrel body (1102) is located behind the cylindrical barrel body (1101), one outer side face of the square barrel body (1102) is a detector connecting face (111), a first side plate is arranged at the top end of the square barrel body (1102), the top face of the first side plate is a camera connecting face (112), a second side plate is arranged opposite to the detector connecting face (111) on the square barrel body (1102), the top face of the second side plate is an outer side face (114), the end face of the rear end of the square barrel body (1102) is a dove prism group connecting face (117), a hole (1171) is formed in the dove prism group connecting face (117), the bottom face of the barrel bottom (1103) is a communication transmitting connecting face (118), and a beacon tracking is extended out of the cylindrical The beacon tracking device comprises a connecting surface (113), a beacon transmitting connecting surface (115), a beacon observing connecting surface (116) and a servo turntable inner frame connecting surface (119) which is used for being in bolted connection with a servo turntable inner frame, wherein through holes are respectively formed in the beacon tracking connecting surface (113), the beacon transmitting connecting surface (115) and the beacon observing connecting surface (116); the first lens (1104), the second lens (1105) and the third lens (1106) are sequentially arranged in the front of the cylindrical barrel (1101) of the communication receiving lens barrel (11) and are in matched connection with a hole shaft of the cylindrical barrel (1101) of the communication receiving lens barrel (11), space rings are arranged between the third lens (1106) and the second lens (1105) and between the second lens (1105) and the first lens (1104), the space rings are in matched connection with the hole shaft of the cylindrical barrel (1101) of the communication receiving lens barrel (11), and the threaded pressing ring is in threaded connection with the cylindrical barrel (1101) of the communication receiving lens barrel (11) on the outer side of the third lens (1106);
adjusting an APD detector (12) to be in bolted connection with a detector connecting surface (111) of a communication receiving optical system (1), a CCD camera (10) to be in bolted connection with a camera connecting surface (112) of the communication receiving optical system (1), a CCD camera gasket (15) to be arranged between the CCD camera (10) and the camera connecting surface (112), a beacon tracking optical system (2) to penetrate through a through hole in a beacon tracking connecting surface (113) to be in shaft fit connection with a lens cone hole in the CCD camera (10) and be in bolted connection with the beacon tracking connecting surface (113), and a beacon tracking system gasket (3) to be arranged between the beacon tracking optical system (2) and the beacon tracking connecting surface (113);
the beacon observation analog camera (9) is connected to the outer side surface (114) of the communication receiving optical system (1) through bolts, and a beacon observation analog camera gasket (8) is arranged between the beacon observation analog camera (9) and the outer side surface (114);
the beacon observation optical system (5) penetrates through a through hole on the beacon observation connecting surface (116) to be in shaft fit connection with a lens cone hole of the beacon observation analog camera (9) and is connected to the beacon observation connecting surface (116) through a bolt, and a beacon observation system gasket (6) is arranged between the beacon observation optical system (5) and the beacon observation connecting surface (116);
the beacon emission optical system (4) penetrates through a through hole in the beacon emission connection surface (115) and is connected to the beacon emission connection surface (115) through a bolt, and a beacon emission system gasket (7) is arranged between the beacon emission optical system (4) and the beacon emission connection surface (115);
the dove prism group (13) is bolted on a dove prism group connecting surface (117) of the communication receiving optical system (1), and the communication transmitting optical system (14) is bolted on a communication transmitting connecting surface (118) of the communication receiving optical system (1).
2. The integrated optical base station of claim 1, characterized in that the dove prism group (13) comprises a mirror base (131), a protective cover (132) and a dove prism (133), wherein the mirror base (131) comprises a rectangular body (1301), a thick positioning connecting plate (134) and a rear connecting plate (1302), the thick positioning connecting plate (134) and the rear connecting plate (1302) are respectively arranged on two opposite surfaces of the rectangular body (1301), the upper end and the lower end of the rectangular body (1301) are respectively provided with a through hole (1303), the rear connecting plate (1302) is provided with a cylindrical boss (135), the cylindrical boss (135) is provided with a through hole, the through hole is communicated with the through hole (1303) at the upper end of the rectangular body (1301), and the protective cover (132) is positioned outside the thick positioning connecting plate (134) and fixed on the rectangular body (1301), the dove prism (133) is fixed on the coarse positioning connecting plate (134) and is also positioned in the protective cover (132), and the dove prism (133) is attached to a dove prism connecting surface (1311) on the rectangular body (1301);
a narrow-band filter (1110), a spacer ring four (1114), a lens four (1107) and a spacer ring one (1113) are sequentially arranged in a through hole (1303) in the upper end of the rectangular body (1301), one end of a threaded pressing ring two (1112) penetrates through a through hole in the cylindrical boss (135) to be in contact with the spacer ring one (1113) to tightly press the threaded pressing ring two (1112) and is in threaded connection with the through hole in the cylindrical boss (135), and the other end of the threaded pressing ring two (1112) is positioned inside the square barrel (1102) of the communication receiving lens barrel (11);
a spacer ring II (1115), a lens V (1108), a spacer ring III (1116), a lens VI (1109) and a threaded pressing ring I (1111) are sequentially arranged in a through hole (1303) at the lower end of the rectangular body (1301), wherein the threaded pressing ring I (1111) is in threaded connection with the through hole (1303) at the lower end of the rectangular body (1301);
the dove prism group (13) is connected in the hole (1171) in a shaft matching mode through the cylindrical boss (135), and the dove prism group (13) is further connected to the dove prism group connecting surface (117) through a rear connecting plate (1302) in a bolt mode.
3. The vehicle-mounted compact laser communication integrated optical base station as claimed in claim 2, wherein the coarse positioning connecting plate (134) is provided with a glue injection hole (1312), and the dove prism (133) is adhered to the coarse positioning connecting plate (134) by injecting glue into the glue injection hole (1312).
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| CN201921321184.6U CN210093228U (en) | 2019-08-15 | 2019-08-15 | On-vehicle compact laser communication integration optics base station |
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| CN201921321184.6U CN210093228U (en) | 2019-08-15 | 2019-08-15 | On-vehicle compact laser communication integration optics base station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365409A (en) * | 2019-08-15 | 2019-10-22 | 长春理工大学 | A kind of vehicle-mounted compact laser communicating integral optics base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365409A (en) * | 2019-08-15 | 2019-10-22 | 长春理工大学 | A kind of vehicle-mounted compact laser communicating integral optics base station |
| CN110365409B (en) * | 2019-08-15 | 2024-01-30 | 长春理工大学 | Vehicle-mounted compact type laser communication integrated optical base station |
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